阅读说明：本技术 一种用于切片机的刀架 (Knife rest for slicing machine ) 是由 江洋 许聪 于 2021-07-20 设计创作，主要内容包括：本发明涉及一种用于切片机的刀架,包括夹紧组件、底座组件以及调节件；底座组件包括底座以及连接杆,底座上开设有转孔和安装孔,转孔和安装孔均沿着底座的第一方向延伸,转孔与安装孔之间间隔预设距离,连接杆插设于转孔内,调节件插设于安装孔内,调节件能够相对底座转动,调节件用于调节夹紧组件对放置在底座组件上的刀片的夹紧力；夹紧组件位于底座的一侧,夹紧组件通过连接杆与底座可转动连接,夹紧组件能够绕着连接杆转动,夹紧组件用于与底座配合夹紧刀片；如此设置,提高了刀片受力的均匀性；同时,与安装传统的刀架相比,提高了安装的工作效率。(The invention relates to a knife rest for a slicing machine, which comprises a clamping component, a base component and an adjusting component, wherein the clamping component is arranged on the base component; the base assembly comprises a base and a connecting rod, wherein a rotating hole and a mounting hole are formed in the base, the rotating hole and the mounting hole both extend along a first direction of the base, a preset distance is formed between the rotating hole and the mounting hole, the connecting rod is inserted into the rotating hole, an adjusting piece is inserted into the mounting hole and can rotate relative to the base, and the adjusting piece is used for adjusting the clamping force of the clamping assembly on a blade placed on the base assembly; the clamping assembly is positioned on one side of the base, the clamping assembly is rotatably connected with the base through a connecting rod, the clamping assembly can rotate around the connecting rod, and the clamping assembly is used for being matched with the base to clamp the blade; by the arrangement, the stress uniformity of the blade is improved; meanwhile, compared with the traditional tool rest, the tool rest improves the working efficiency of installation.)

1. A knife holder for a microtome, comprising: comprises a clamping component, a base component and an adjusting component;

the base assembly comprises a base and a connecting rod, wherein a rotating hole and a mounting hole are formed in the base, the rotating hole and the mounting hole both extend along a first direction of the base, a preset distance is reserved between the rotating hole and the mounting hole, the connecting rod is inserted into the rotating hole, an adjusting piece is inserted into the mounting hole, the adjusting piece can rotate relative to the base, and the adjusting piece is used for adjusting the clamping force of the clamping assembly on a blade placed on the base assembly;

the clamping assembly is located on one side of the base, the clamping assembly is rotatably connected with the base through the connecting rod, the clamping assembly can rotate around the connecting rod, and the clamping assembly is used for being matched with the base to clamp the blade.

2. The blade holder for a microtome according to claim 1, wherein: clamping component includes splint, coupling assembling and fixed subassembly, coupling assembling with fixed subassembly all sets up the splint orientation one side of base, coupling assembling with the distance is predetermine at the interval between the fixed subassembly, coupling assembling with fixed subassembly's one end is all inserted and is established in the base, coupling assembling with connecting rod rotatable coupling rotates the regulating part makes fixed subassembly with the outer wall contact of regulating part.

3. The blade holder for a microtome according to claim 2, wherein: the connecting assembly comprises at least one connecting block, a connecting hole extending along the first direction is formed in the connecting block, at least one fixing hole is formed in the base, the fixing hole extends along the second direction of the base and penetrates through the base, and the fixing hole is communicated with the rotating hole;

the fixing hole corresponds to the connecting block, one end, deviating from the clamping plate, of the connecting block is inserted into the fixing hole, the connecting rod is simultaneously inserted into the rotating hole and the connecting hole, and the connecting block can rotate around the connecting rod.

4. The blade holder for a microtome according to claim 2, wherein: the fixing component comprises at least one fixing block, at least one fixing groove is formed in the base, the fixing groove extends along the second direction, the fixing groove is communicated with the mounting hole, the fixing block corresponds to the fixing groove, the fixing block is movably inserted into the fixing groove, the adjusting piece is rotated, and therefore the fixing block is in contact with the outer wall of the adjusting piece.

5. The blade holder for a microtome according to claim 4, wherein: the adjusting piece comprises a rotating rod assembly and a handle, the handle is sleeved at one end of the rotating rod assembly, and one end of the rotating rod assembly, which deviates from the handle, is inserted in the mounting hole.

6. The blade holder for a microtome according to claim 5, wherein: the rotating rod assembly comprises at least one eccentric shaft and at least one rotating shaft, one end of the rotating shaft is sleeved with the handle, the other end of the rotating shaft is connected with the eccentric shaft, the eccentric shaft extends along the central axis direction of the rotating shaft, the eccentric shaft is arranged corresponding to the fixing block, and the eccentric shaft is used for driving the fixing block to move.

7. The blade holder for a microtome according to claim 6, wherein: the adjusting piece further comprises a positioning cam, wherein an insertion hole is formed in the positioning cam, extends along the central axis direction of the rotating shaft and penetrates through the positioning cam;

a limiting flange is arranged on the outer peripheral wall of the rotating shaft sleeved with the handle, the limiting flange extends outwards along the radial direction of the rotating shaft, one end of the rotating shaft, which is far away from the eccentric shaft, penetrates through the jack and is connected with the handle, the positioning cam is positioned between the handle and the limiting flange, one side of the positioning cam is abutted against the limiting flange, and the other side of the positioning cam is abutted against the handle;

the positioning cam is used for controlling the size of an opening between the clamping plate and the base, which is required by the blade, in a matching way with the connecting rod.

8. The blade holder for a microtome according to claim 7, wherein: the connecting rod orientation the one end of handle is provided with the backstop flange, the backstop flange along the radial outside extension of connecting rod, be provided with on the location cam with the arcwall face of backstop flange looks adaptation, the arcwall face be used for with the periphery wall of backstop flange contacts.

9. The blade holder for a microtome according to claim 6, wherein: the rotating rod assembly comprises a plurality of eccentric shafts and a plurality of rotating shafts, and the rotating shafts are sequentially connected with the eccentric shafts.

10. The blade holder for a microtome according to claim 2, wherein: the cutting blade is characterized in that a first clamping part is arranged at the top end of the base and faces one side of the clamping plate, a second clamping part matched with the first clamping part is arranged at one side of the clamping plate facing the base, and the cutting blade is clamped between the first clamping part and the second clamping part.

Technical Field

The invention relates to the technical field of slicing machines, in particular to a knife rest for a slicing machine.

Background

At present, with the development of modern medical technology, people have more and more intensive research on analysis of various diseases and substances, judging the characteristics of the diseases and the substances from general tissues by naked eyes is far from meeting the requirements of modern medical research and material research, and the diseases and the substances need to be diagnosed from the change of the structure and cells of biological tissues, so that the biological tissues need to be sliced for further observation and research, and therefore, a biological tissue slicer is often used in work.

A biological tissue microtome is a machine that cuts thin, uniform pieces of tissue. Biological tissues were embedded using paraffin and sectioned by a razor blade on a biological microtome. A biological tissue microtome includes a blade holder for mounting a blade.

However, in the process of installing the tool holder, the tool holder is installed by adjusting a plurality of bolts on the tool holder, so that the installation of the tool holder is complicated, and the installation work efficiency is reduced.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a knife rest for a slicing machine, which has the advantages that the working efficiency of installation can be improved; meanwhile, the clamping force of the tool rest on the blade can be conveniently adjusted.

The above object of the present invention is achieved by the following technical solutions: a knife rest for a slicer includes a clamping assembly, a base assembly, and an adjustment member; the base assembly comprises a base and a connecting rod, wherein a rotating hole and a mounting hole are formed in the base, the rotating hole and the mounting hole extend along a first direction of the base, a preset distance is reserved between the rotating hole and the mounting hole, the connecting rod is inserted into the rotating hole, an adjusting piece is inserted into the mounting hole and can rotate relative to the base, and the adjusting piece is used for adjusting the clamping force of the clamping assembly on a blade placed on the base assembly; the clamping assembly is located on one side of the base and is rotatably connected with the base through the connecting rod, the clamping assembly can rotate around the connecting rod, and the clamping assembly is used for being matched with the base to clamp the blade.

Preferably, the knife rest for a slicer provided by the invention comprises a clamping plate, a connecting assembly and a fixing assembly, wherein the connecting assembly and the fixing assembly are both arranged on one side of the clamping plate facing the base, a preset distance is arranged between the connecting assembly and the fixing assembly, one ends of the connecting assembly and the fixing assembly are both inserted in the base, the connecting assembly is rotatably connected with the connecting rod, and the adjusting piece is rotated so that the fixing assembly is in contact with the outer wall of the adjusting piece.

Preferably, the connecting assembly comprises at least one connecting block, a connecting hole extending along the first direction is formed in the connecting block, at least one fixing hole is formed in the base, the fixing hole extends along the second direction of the base and penetrates through the base, and the fixing hole is communicated with the rotating hole; the fixing hole corresponds to the connecting block, one end, deviating from the clamping plate, of the connecting block is inserted into the fixing hole, the connecting rod is simultaneously inserted into the rotating hole and the connecting hole, and the connecting block can rotate around the connecting rod.

Preferably, the fixing assembly comprises at least one fixing block, the base is provided with at least one fixing groove, the fixing groove extends along the second direction, the fixing groove is communicated with the mounting hole, the fixing block is arranged corresponding to the fixing groove, the fixing block is movably inserted into the fixing groove, and the adjusting member is rotated to enable the fixing block to be in contact with the outer wall of the adjusting member.

Preferably, the knife rest for the slicer provided by the invention comprises a rotating rod assembly and a handle, wherein the handle is sleeved at one end of the rotating rod assembly, and one end of the rotating rod assembly, which is far away from the handle, is inserted into the mounting hole.

Preferably, the knife rest for the slicer provided by the invention comprises at least one eccentric shaft and at least one rotating shaft, wherein one end of the rotating shaft is sleeved with the handle, the other end of the rotating shaft is connected with the eccentric shaft, the eccentric shaft extends along the central axis direction of the rotating shaft, the eccentric shaft is arranged corresponding to the fixed block, and the eccentric shaft is used for driving the fixed block to move.

Preferably, the knife rest for the slicer provided by the invention further comprises a positioning cam, wherein the positioning cam is provided with an insertion hole, and the insertion hole extends along the central axis direction of the rotating shaft and penetrates through the positioning cam; a limiting flange is arranged on the outer peripheral wall of the rotating shaft sleeved with the handle, the limiting flange extends outwards along the radial direction of the rotating shaft, one end of the rotating shaft, which is far away from the eccentric shaft, penetrates through the jack and is connected with the handle, the positioning cam is positioned between the handle and the limiting flange, one side of the positioning cam is abutted against the limiting flange, and the other side of the positioning cam is abutted against the handle; the positioning cam is used for controlling the size of an opening between the clamping plate and the base, which is required by the blade, in a matching way with the connecting rod.

Preferably, the knife rest for a slicer provided by the invention is characterized in that one end of the connecting rod facing the handle is provided with a stop flange, the stop flange extends outwards along the radial direction of the connecting rod, and the positioning cam is provided with an arc-shaped surface matched with the stop flange and used for contacting with the peripheral wall of the stop flange.

Preferably, the knife rest for the slicer provided by the invention comprises a plurality of eccentric shafts and a plurality of rotating shafts, and the rotating shafts are sequentially connected with the eccentric shafts.

Preferably, in the knife rest for a microtome, a first clamping portion is arranged at the top end of the base and on one side facing the clamping plate, a second clamping portion matched with the first clamping portion is arranged on one side facing the base of the clamping plate, and the blade is clamped between the first clamping portion and the second clamping portion.

In conclusion, the beneficial technical effects of the invention are as follows: the knife rest for the slicer comprises a clamping component, a base component and an adjusting component; the base assembly comprises a base and a connecting rod, wherein a rotating hole and a mounting hole are formed in the base, the rotating hole and the mounting hole both extend along a first direction of the base, a preset distance is formed between the rotating hole and the mounting hole, the connecting rod is inserted into the rotating hole, an adjusting piece is inserted into the mounting hole and can rotate relative to the base, and the adjusting piece is used for adjusting the clamping force of the clamping assembly on a blade placed on the base assembly; the clamping assembly is positioned on one side of the base, the clamping assembly is rotatably connected with the base through a connecting rod, the clamping assembly can rotate around the connecting rod, and the clamping assembly is used for being matched with the base to clamp the blade; by the arrangement, the stress uniformity of the blade is improved; meanwhile, compared with the traditional tool rest, the tool rest improves the working efficiency of installation.

Drawings

Fig. 1 is a first schematic view of the overall structure of a knife rest for a microtome according to an embodiment of the present invention.

Fig. 2 is a schematic view of the overall structure of a knife rest for a microtome according to an embodiment of the present invention.

Fig. 3 is a cross-sectional view of a blade holder for a microtome according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a connecting rod in a knife rest for a microtome according to an embodiment of the present invention.

Fig. 5 is a schematic structural view of an adjusting member in a blade holder for a microtome according to an embodiment of the present invention.

Fig. 6 is a first schematic structural view of an adjusting member in a blade holder for a microtome according to an alternative embodiment of the present invention.

Fig. 7 is a second schematic structural view of an adjustment member in a blade holder for a microtome according to an alternative embodiment of the present invention.

FIG. 8 is a schematic diagram of a clamp assembly for use in a blade carrier of a microtome according to an embodiment of the present invention.

Fig. 9 is a schematic structural diagram of a base in a blade holder for a microtome according to an embodiment of the present invention.

FIG. 10 is a first schematic view of a clamp assembly in a blade carrier for a microtome in accordance with an alternative embodiment of the present invention.

Fig. 11 is a first schematic structural view of a base in a blade holder for a microtome according to an alternative embodiment of the present invention.

FIG. 12 is a second schematic structural view of a clamping assembly in a blade holder for a microtome in accordance with another alternative embodiment of the present invention.

Fig. 13 is a second schematic structural view of a base in a blade holder for a microtome according to another alternative embodiment of the present invention.

FIG. 14 is a third schematic structural view of a clamping assembly in a blade carrier for a microtome in accordance with another alternate embodiment of the present invention.

Fig. 15 is a third schematic structural view of a base in a blade holder for a microtome according to another alternative embodiment of the present invention.

FIG. 16 is a fourth schematic structural view of a clamping assembly in a blade carrier for a microtome in accordance with another alternative embodiment of the present invention.

Fig. 17 is a fourth schematic structural view of a base in a blade holder for a microtome according to another alternative embodiment of the present invention.

FIG. 18 is a fifth exemplary view of a clamp assembly in a blade carrier for a microtome in accordance with an alternative embodiment of the present invention.

Fig. 19 is a fifth schematic structural view of a base in a blade holder for a microtome according to another alternative embodiment of the present invention.

Fig. 20 is a sixth schematic structural view of a clamping assembly in a blade carrier for a microtome according to another alternative embodiment of the present invention.

Fig. 21 is a sixth schematic structural view of a base in a blade holder for a microtome according to another alternative embodiment of the present invention.

Fig. 22 is a seventh schematic structural view of a clamping assembly in a blade holder for a microtome according to another alternative embodiment of the present invention.

Fig. 23 is a seventh schematic structural view of a base in a blade holder for a microtome according to another alternative embodiment of the present invention.

Fig. 24 is an eighth schematic structural view of a clamping assembly in a blade carrier for a microtome in accordance with an alternative embodiment of the present invention.

Fig. 25 is an eighth schematic structural view of a base in a blade holder for a microtome according to an alternative embodiment of the present invention.

In the figure, 1, a tool holder; 10. a clamping assembly; 101. a splint; 1011. a second clamping portion; 102. connecting blocks; 1021. connecting holes; 1022. a guide slope; 103. a fixed block; 20. a base assembly; 201. a base; 2011. hole turning; 2012. mounting holes; 2013. a fixing hole; 2014. fixing grooves; 2015. a first clamping portion; 202. a connecting rod; 2021. a stop flange; 30. an adjustment member; 301. a handle; 302. a rotating rod assembly; 3021. a rotating shaft; 3022. an eccentric shaft; 3023. a limiting flange; 303. positioning the cam; 3031. an arc-shaped surface; 40. a first direction; 50. a second direction; 60. a third direction; 70. a blade.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 3, a knife holder 1 for a microtome disclosed in the present invention includes a clamping assembly 10, a base assembly 20, and an adjusting member 30; the base assembly 20 comprises a base 201 and a connecting rod 202, wherein a rotating hole 2011 and a mounting hole 2012 are formed in the base 201, the rotating hole 2011 and the mounting hole 2012 both extend along a first direction 40 of the base 201, a preset distance is arranged between the rotating hole 2011 and the mounting hole 2012 at intervals, the connecting rod 202 is inserted into the rotating hole 2011, the adjusting piece 30 is inserted into the mounting hole 2012, the adjusting piece 30 can rotate relative to the base 201, and the adjusting piece 30 is used for adjusting the clamping force of the clamping assembly 10 on the blade 70 placed on the base assembly 20; by rotating the adjustment member 30, the clamping force of the clamping assembly 10 on the insert 70 is easily adjusted, thereby improving the mounting efficiency of the insert 70.

It should be noted that, the adjusting member 30 is used to adjust two states of the clamping assembly 10 matching with the base 201, one state is that the clamping assembly 10 matches with the base 201 to clamp the blade 70; another condition is the clamping assembly 10 engaging the base 20 to release the blade 70.

The plane perpendicular to the first direction 40 of the base 201 is taken as a cross section, and the cross section of the base 201 may be a triangle, a diamond, or other polygons, which is not limited in this embodiment.

For convenience of description, the cross-sectional shape of the base 201 is illustrated as a triangle.

The first direction 40 of the base 201 is a longitudinal direction of the base 201, the second direction 50 of the base 201 is a direction perpendicular to an inclined surface of the base 201, and the third direction 60 is a direction extending along the inclined surface of the base 201, wherein two of the first direction 40, the second direction 50, and the third direction 60 are perpendicular to each other.

Specifically, the base 201 is provided with a mounting hole 2012 extending along the first direction 40. The central axis of the mounting hole 2012 is parallel to the central axis of the swivel 2011.

For example, the connecting rod 202 may be a pin, but the connecting rod 202 may be other cylindrical objects as long as the clamping assembly 10 can rotate around the pin.

In this embodiment, the clamping assembly 10 is located on one side of the base 201, the clamping assembly 10 is rotatably connected to the base 201 through a connecting rod 202, the clamping assembly 10 can rotate around the connecting rod 202, and the clamping assembly 10 is used for clamping the blade 70 in cooperation with the base 201; the clamping assembly 10 can rotate around the central axis of the connecting rod 202, and by rotating the adjusting member 30, the adjusting member 30 drives the clamping assembly 10 to rotate, so as to adjust the clamping force of the clamping assembly 10 on the blade 70.

Specifically, the clamping assembly 10 is located on an inclined surface of the base 201, and in the use process, taking the orientation shown in fig. 1 as an example, when the adjusting member 30 is rotated clockwise, the outer wall of the adjusting member 30 is partially attached to the clamping assembly 10, the adjusting member 30 drives the clamping assembly 10 to rotate clockwise around the connecting rod 202, the clamping assembly 10 clamps the blade 70, and at this time, the rotation of the adjusting member 30 is stopped, so that the paraffin-embedded biological tissue can be sliced conveniently; when the adjusting member 30 is rotated counterclockwise, the outer wall of the adjusting member 30 is separated from the clamping assembly 10, and under the action of gravity, the clamping assembly 10 rotates counterclockwise around the connecting rod 202, so that the clamping assembly 10 is separated from the base 201, and at this time, the rotation of the adjusting member 30 is stopped, thereby facilitating the maintenance of the blade 70.

With continued reference to fig. 3 and 8, in this embodiment, the clamping assembly 10 includes a clamping plate 101, a connecting assembly and a fixing assembly, the connecting assembly and the fixing assembly are both disposed on a side of the clamping plate 101 facing the base 201, a preset distance is provided between the connecting assembly and the fixing assembly, one ends of the connecting assembly and the fixing assembly are both inserted into the base 201, the connecting assembly is rotatably connected to the connecting rod 202, and the adjusting member 30 is rotated so that the fixing assembly contacts with an outer wall of the adjusting member 30; in the using process, the adjusting part 30 is rotated, the outer wall of the adjusting part 30 is contacted with the fixing component, at this time, the adjusting part 30 drives the fixing component to move, the fixing component drives the clamping plate 101 to rotate, the clamping plate 101 drives the connecting component to rotate around the connecting rod 202, so that the clamping plate 101 and the base 201 are matched to clamp the blade 70; therefore, in the rotating process of the clamping plate 101, the clamping plate 101 is prevented from being separated from the base 201 by the connecting assembly.

Specifically, the clamp 101 is disposed on an inclined surface of the base 201, and in the initial state, a side of the clamp 101 facing the base 201 is spaced from a side of the base 201 facing the clamp 101 so as to facilitate the rotation of the clamp 101 relative to the base 201. Taking the position shown in fig. 1 as an example, by rotating the adjusting member 30 clockwise, the outer wall of the adjusting member 30 contacts with the fixing component, the adjusting member 30 drives the fixing component to move, the fixing component drives the clamping plate 101 to rotate clockwise around the connecting rod 202, at this time, the top end of the clamping plate 101 is attached to the top end of the base 201, and the bottom end of the clamping plate 101 is separated from the bottom end of the base 201, so that the clamping of the blade 70 is facilitated, and the working efficiency of installing the blade 70 is improved.

Further, in this embodiment, a first clamping portion 2015 is disposed at a top end of the base 201 and on a side facing the clamp plate 101, a second clamping portion 1011 adapted to the first clamping portion 2015 is disposed on a side of the clamp plate 101 facing the base 201, and the blade 70 is clamped between the first clamping portion 2015 and the second clamping portion 1011; when the clamp plate 101 rotates clockwise, the second clamping portion 1011 is moved toward the first clamping portion 2015, and at this time, the first clamping portion 2015 and the second clamping portion 1011 clamp the blade 70; when the clamp plate 101 is rotated counterclockwise, the second clamp portion 1011 is moved away from the first clamp portion 2015, at which time the blade 70 is released.

Specifically, the cross-sectional shape of the first clamp portion 2015 may be stepped, taking a plane perpendicular to the first direction 40 of the base 201 as a cross-section, thereby facilitating placement of the blade 70. Wherein, the sectional shape looks adaptation of second clamping part 1011 and the sectional shape of first clamping part 2015, the mobilizable lock of second clamping part 1011 is on first clamping part 2015, from this, is convenient for press from both sides tightly blade 70.

Further, in this embodiment, the connecting assembly includes at least one connecting block 102, a connecting hole 1021 extending along the first direction 40 is formed on the connecting block 102, at least one fixing hole 2013 is formed on the base 201, the fixing hole 2013 extends along the second direction 50 of the base 201 and penetrates through the base 201, and the fixing hole 2013 is communicated with the rotating hole 2011; the fixing hole 2013 corresponds to the connecting block 102, one end, departing from the clamping plate 101, of the connecting block 102 is inserted into the fixing hole 2013, the connecting rod 202 is inserted into the rotating hole 2011 and the connecting hole 1021 at the same time, and the connecting block 102 can rotate around the connecting rod 202.

Specifically, one end of the connecting block 102 is connected to one side of the clamping plate 101 facing the base 201, wherein the connecting block 102 and the clamping plate 101 may be connected by bolts, the connecting block 102 and the clamping plate 101 may also be connected by clamping, and the connecting block 102 and the clamping plate 101 may also be integrally formed, which is not limited in this embodiment.

Illustratively, the connecting assembly includes one connecting block 102, but of course, the connecting assembly may also include a plurality of connecting blocks 102.

Continuing to refer to fig. 8, in an implementation manner that the connection assembly includes one connection block 102, a fixing hole 2013 is opened on the base 201, one end of the connection block 102, which is away from the clamping plate 101, is inserted in the fixing hole 2013, a connection hole 1021 is opened on the connection block 102, the connection hole 1021 extends along the first direction 40 of the base 201, and penetrates through the connection block 102, a central axis of the connection hole 1021 is parallel to a central axis of the rotation hole 2011, in some implementation manners, the central axis of the connection hole 1021 and the central axis of the rotation hole 2011 are arranged in a collinear manner, the connection rod 202 is inserted in the connection hole 1021 and the rotation hole 2011 at the same time, and the connection block 102 can rotate by taking the central axis of the connection rod 202 as an axis.

In the above embodiment, when clamping the insert 70, in order to make the force applied to the insert 70 uniform and at the same time improve the clamping force between the first clamping portion 2015 and the second clamping portion 1011, the fixing hole 2013 is opened at a middle position of the base 201 extending along the first direction 40 thereof.

In other embodiments, the connecting assembly includes a plurality of connecting blocks 102, the plurality of connecting blocks 102 are disposed at intervals along the first direction 40 of the base 201 on a side of the clamping plate 101 facing the base 201, each connecting block 102 is provided with a connecting hole 1021 extending along the first direction 40 of the base 201, and central axes of the connecting holes 1021 are all arranged in a collinear manner; a plurality of fixing holes 2013 are formed in the base 201, the fixing holes 2013 are arranged at intervals along the first direction 40 of the base 201, the fixing holes 2013 are arranged in one-to-one correspondence with the connecting blocks 102, each connecting block 102 is inserted into the corresponding fixing hole 2013, the connecting rod 202 is inserted into the rotating hole 2011 and the connecting holes 1021 simultaneously, and the connecting blocks 102 rotate around the connecting rod 202 simultaneously; by providing a plurality of connecting blocks 102, the uniformity of the clamping force of the first clamping portion 2015 and the second clamping portion 1011 on the blade 70 is further improved.

It should be noted that when one connection block 102 is provided, the length of the connection block 102 extending along the first direction 40 of the base 201 is greater than that of the connection block 102 when a plurality of connection blocks 102 are provided, that is, the more connection blocks 102 the connection assembly includes, the smaller the length of the connection block 102 extending along the first direction 40 is.

In this embodiment, the end of the connecting block 102 facing away from the clamping plate 101 is provided with a guiding inclined surface 1022, thereby facilitating the insertion of the connecting block 102 into the fixing hole 2013.

With reference to fig. 8, in this embodiment, the fixing assembly includes at least one fixing block 103, at least one fixing groove 2014 is formed on the base 201, the fixing groove 2014 extends along the second direction 50, the fixing groove 2014 is communicated with the mounting hole 2012, the fixing block 103 is disposed corresponding to the fixing groove 2014, and the fixing block 103 is movably inserted into the fixing groove 2014; by rotating the adjusting member 30, the outer wall of the adjusting member 30 contacts with the end of the fixing block 103 away from the clamping plate 101, the adjusting member 30 drives the fixing block 103 to move, the fixing block 103 drives the clamping plate 101 to rotate around the connecting rod 202, and the clamping force of the clamping plate 101 on the blade 70 is adjusted.

Specifically, the fixing block 103 is disposed on a side of the clamping plate 101 facing the base 201, one end of the fixing block 103 is connected to the clamping plate 101, taking the orientation shown in fig. 6 as an example, the fixing block 103 is located at a lower portion of the connecting block 102, and a portion of the fixing block 103 is inserted into the fixing groove 2014, so that a distance enabling the clamping plate 101 to rotate is formed between the clamping plate 101 and the base 201.

Wherein, the fixed block 103 can be integrated into one piece with splint 101, and fixed block 103 also can adopt bolted connection's mode with splint 101 to be connected, and fixed block 103 still can adopt the mode of butt with splint 101, and this embodiment does not do the restriction to this.

Illustratively, the fixing assembly may include one fixing block 103, but of course, the fixing assembly may include a plurality of fixing blocks 103. In the implementation mode that the fixing assembly comprises one fixing block 103, the base 201 is provided with a fixing groove 2014 for inserting the fixing block 103, the fixing groove 2014 is communicated with the mounting hole 2012, the adjusting piece 30 is inserted in the mounting hole 2012, and the outer wall of the adjusting piece 30 is abutted against one end of the fixing block 103, which is deviated from the clamping plate 101, by rotating the adjusting piece 30.

In the above embodiment, in order to make the blade 70 uniformly stressed when clamping the blade 70, the fixing groove 2014 is opened at a middle position of the base 201 extending in the first direction 40 thereof.

In an implementation manner that the fixing assembly includes a plurality of fixing blocks 103, the plurality of fixing blocks 103 are arranged at intervals along the first direction 40 of the base 201 on one side of the clamping plate 101 facing the base 201, a plurality of fixing grooves 2014 are formed in the base 201, the plurality of fixing grooves 2014 are all communicated with the mounting hole 2012, the fixing grooves 2014 and the fixing blocks 103 are arranged in a one-to-one correspondence manner, and in a use process, each fixing block 103 is respectively inserted into the corresponding fixing groove 2014; the plurality of fixing blocks 103 are arranged, so that the stress uniformity of the blade 70 is further improved; at the same time, the clamping force of the first and second clamping portions 2015, 1011 on the insert 70 is increased.

Further, in this embodiment, the adjusting member 30 includes a rotating rod assembly 302 and a handle 301, the handle 301 is sleeved on one end of the rotating rod assembly 302, and one end of the rotating rod assembly 302 departing from the handle 301 is inserted into the mounting hole 2012; the handle 301 is provided, thereby facilitating the operation of the adjusting member 30 by the worker.

Specifically, the rotating rod assembly 302 extends along the first direction 40 of the base 201, and one end of the rotating rod assembly 302, which is away from the handle 301, is inserted into the mounting hole 2012; in the use, through rotating handle 301, handle 301 drives bull stick subassembly 302 and rotates, and the outer wall and the fixed block 103 butt of bull stick subassembly 302, and at this moment, bull stick subassembly 302 drive fixed block 103 moves, and fixed block 103 drives splint 101 and rotates around connecting rod 202.

Further, in the present embodiment, the rotating rod assembly 302 includes at least one eccentric shaft 3022 and at least one rotating shaft 3021, one end of the rotating shaft 3021 is sleeved with the handle 301, the other end of the rotating shaft 3021 is connected to the eccentric shaft 3022, the eccentric shaft 3022 extends along the central axis direction of the rotating shaft 3021, the eccentric shaft 3022 is disposed corresponding to the fixed block 103, and the eccentric shaft 3022 is used for driving the fixed block 103 to move; by providing the eccentric shaft 3022, whereby the eccentric shaft 3022 is in contact with the anchor block 103 by turning the handle 301, the eccentric shaft 3022 is able to drive the anchor block 103 in a movement, the clamping plate 101 cooperates with the base 201 to clamp the blade 70, at which point the turning of the handle 301 is stopped and the eccentric shaft 3022 is in contact with the anchor block 103, at which point the eccentric shaft 3022 acts as a lock and prevents the adjustment member 30 from turning.

Specifically, the central axis of the eccentric shaft 3022 is parallel to the central axis of the rotating shaft 3021, and a certain eccentric distance is provided therebetween.

With continued reference to fig. 5, in an implementation mode in which the fixing assembly includes a fixing block 103, the rotating rod assembly 302 includes an eccentric shaft 3022 and two rotating shafts 3021, the eccentric shaft 3022 is disposed between the two rotating shafts 3021, one end of the eccentric shaft 3022 is connected to one end of one of the rotating shafts 3021 away from the handle 301, the other end of the eccentric shaft 3022 is connected to one end of the other rotating shaft 3021, wherein the eccentric shaft 3022 is disposed corresponding to the fixing block 103, central axes of the two rotating shafts 3021 are collinear, and in use, the eccentric shaft 3022 is used to drive the fixing block 103 to move; meanwhile, the eccentric shaft 3022 serves as a locking function to prevent the adjusting member 30 from rotating when the paraffin-embedded biological tissue is sliced.

In an implementation mode in which the fixing assembly includes a plurality of fixing blocks 103, the rotating rod assembly 302 includes a plurality of eccentric shafts 3022 and a plurality of rotating shafts 3021, the rotating shafts 3021 are sequentially connected to the eccentric shafts 3022, and the eccentric shafts 3022 are disposed in one-to-one correspondence with the fixing blocks 103, that is, during use, the handle 301 is rotated, and the outer circumferential wall of each eccentric shaft 3022 is in contact with the corresponding fixing block 103; by providing a plurality of eccentric shafts 3022, the uniformity of the force applied to the blade 70 during use is further improved.

It should be noted that lengths of the plurality of rotating shafts 3021 are determined according to actual conditions, and lengths of the plurality of rotating shafts 3021 are not necessarily the same.

With reference to fig. 1 to 5, in this embodiment, the adjusting element 30 further includes a positioning cam 303, the positioning cam 303 is provided with a jack, and the jack extends along the central axis direction of the rotating shaft 3021 and penetrates through the positioning cam 303; a limiting flange 3023 is arranged on the outer peripheral wall of the rotating shaft 3021 sleeved with the handle 301, the limiting flange 3023 extends outwards along the radial direction of the rotating shaft 3021, one end of the rotating shaft 3021, which is away from the eccentric shaft 3022, penetrates through the jack to be connected with the handle 301, the positioning cam 303 is positioned between the handle 301 and the limiting flange 3023, one side of the positioning cam 303 is abutted against the limiting flange 3023, and the other side of the positioning cam 303 is abutted against the handle 301; the positioning cam 303 is used for cooperating with the connecting rod 202 to control the size of an opening between the clamping plate 101 and the base 201 for placing the blade 70; on the one hand, by providing the positioning cam 303, when the positioning cam 303 abuts against the connecting rod 202, the first clamping portion 2015 and the second clamping portion 1011 are spaced at a certain distance, thereby facilitating the installation or removal of the blade 70; on the other hand, the connecting rod 202 provides a stop for the positioning cam 303 to prevent the blade 70 from falling off due to the first clamping portion 2015 and the second clamping portion 1011 being separated by a large distance.

Specifically, the positioning cam 303 is plate-shaped, the insertion hole is formed in the positioning cam 303, and a central axis of the insertion hole is perpendicular to the positioning cam 303.

In the using process, taking the orientation shown in fig. 1 as an example, the handle 301 is rotated counterclockwise, the handle 301 drives the rotating rod assembly 302 and the positioning cam 303 to rotate, when the positioning cam 303 abuts against the connecting rod 202, the handle 301 stops rotating, and the first clamping portion 2015 and the second clamping portion 1011 are spaced at a certain distance, so that the blade 70 is convenient to mount; then, the handle 301 is rotated clockwise, the handle 301 drives the rotating rod assembly 302 and the positioning cam 303 to rotate clockwise, after the positioning cam 303 rotates to a certain position, the first clamping portion 2015 and the second clamping portion 1011 clamp the blade, and the rotation of the handle 301 is stopped, at this time, the positioning cam 303 is separated from the connecting rod 202.

Further, in this embodiment, one end of the connecting rod 202 facing the handle 301 is provided with a stop flange 2021, the stop flange 2021 extends outwards along the radial direction of the connecting rod 202, the positioning cam 303 is provided with an arc surface 3031 matched with the stop flange 2021, and the arc surface 3031 is used for contacting with the outer peripheral wall of the stop flange 2021; by providing the arcuate surface 3031, the contact area of the positioning cam 303 with the stop flange 2021 is thereby increased.

Referring to fig. 1 to 5, when the blade 70 is mounted or removed, the arc surface 3031 contacts the stopper flange 2021, and the first clamping portion 2015 and the second clamping portion 1011 are spaced apart.

With continued reference to fig. 5, 8 and 9, in the present embodiment, a fixing hole 2013 and a fixing groove 2014 are formed on a side of the base 201 facing the clamping plate 101, and the fixing hole 2013 and the fixing groove 2014 are spaced along the third direction 60 of the base 201; one side of the clamping plate 101, which faces the base 201, is provided with a connecting block 102 and a fixing block 103, the connecting block 102 is arranged corresponding to the fixing hole 2013, and the fixing block 103 is arranged corresponding to the fixing groove 2014; the rotating rod assembly comprises an eccentric shaft 3022 and two rotating shafts 3021, the eccentric shaft 3022 is arranged between the two rotating shafts 3021, the eccentric shaft 3022 is arranged corresponding to the fixed block 103, in the using process, the connecting block 102 is inserted into the fixing hole 2013, the fixed block 103 is inserted into the fixing groove 2014, and the eccentric shaft 3022 is abutted to the fixed block 103 by rotating the handle 301.

With continued reference to fig. 7, 10 and 11, in an alternative embodiment, a side of the base 201 facing the clamping plate 101 is provided with a fixing hole 2013 and three fixing slots 2014, and the three fixing slots 2014 are spaced along the first direction of the base 201; one side of the clamping plate 101, which faces the base 201, is provided with a connecting block 102 and three fixing blocks 103, the connecting block 102 is arranged corresponding to the fixing hole 2013, and the fixing blocks 103 are arranged corresponding to the fixing grooves 2014 one by one; the rotating rod assembly comprises three eccentric shafts 3022 and four rotating shafts 3021, each eccentric shaft 3022 is respectively arranged between two adjacent rotating shafts 3021, the central axes of the four rotating shafts 3021 are arranged in a collinear manner, and the eccentric shafts 3022 are arranged in one-to-one correspondence with the fixed blocks 103; in the using process, the connecting blocks 102 are inserted into the fixing holes 2013, each fixing block 103 is respectively inserted into the corresponding fixing groove 2014, and each eccentric shaft 3022 abuts against the corresponding fixing block 103 by rotating the handle 301.

With continued reference to fig. 6, 12 and 13, in another alternative embodiment, a side of the base 201 facing the clamping plate 101 is provided with a fixing hole 2013 and two fixing slots 2014, and the two fixing slots 2014 are spaced along the first direction of the base 201; one side of the clamping plate 101, which faces the base 201, is provided with a connecting block 102 and two fixing blocks 103, the connecting block 102 is arranged corresponding to the fixing hole 2013, and the fixing blocks 103 are arranged corresponding to the fixing grooves 2014 one by one; the rotating rod assembly comprises two eccentric shafts 3022 and three rotating shafts 3021, each eccentric shaft 3022 is respectively arranged between two adjacent rotating shafts 3021, the central axes of the three rotating shafts 3021 are arranged in a collinear manner, and the eccentric shafts 3022 are arranged in one-to-one correspondence with the fixed blocks 103; in the use process, the connecting blocks 102 are inserted into the fixing holes 2013, each fixing block 103 is respectively inserted into the corresponding fixing groove 2014, the handle 301 is rotated, and each eccentric shaft 3022 is abutted to the corresponding fixing block 103.

With continued reference to fig. 5, 14 and 15, in another alternative embodiment, the side of the base 201 facing the clamping plate 101 is provided with three fixing holes 2013 and a fixing slot 2014, and the three fixing holes 2013 are spaced along the first direction of the base 201; three connecting blocks 102 and a fixing block 103 are arranged on one side of the clamping plate 101 facing the base 201, the connecting blocks 102 are arranged in one-to-one correspondence with the fixing holes 2013, and the fixing block 103 is arranged in correspondence with the fixing groove 2014; the rotating rod assembly comprises an eccentric shaft 3022 and two rotating shafts 3021, the eccentric shaft 3022 is arranged between the two rotating shafts 3021, the central axes of the two rotating shafts 3021 are arranged in a collinear manner, and the eccentric shaft 3022 is arranged corresponding to the fixed block 103; in the using process, each connecting block 102 is respectively inserted into the corresponding fixing hole 2013, the fixing block 103 is inserted into the fixing groove 2014, and the eccentric shaft 3022 is abutted to the fixing block 103 by rotating the handle 301.

With continued reference to fig. 7, 16, and 17, in another alternative embodiment, a side of the base 201 facing the clamping plate 101 is provided with three fixing holes 2013 and three fixing slots 2014, the three fixing holes 2013 are spaced along the first direction of the base 201, and the three fixing slots 2014 are spaced along the first direction of the base 201, wherein a geometric center connecting line of the three fixing holes 2013 is parallel to a geometric center connecting line of the three fixing slots 2014 and is spaced apart from the geometric center connecting line along the third direction 60; one side of the clamping plate 101, which faces the base 201, is provided with three connecting blocks 102 and three fixing blocks 103, the connecting blocks 102 are arranged in one-to-one correspondence with the fixing holes 2013, and the fixing blocks 103 are arranged in one-to-one correspondence with the fixing grooves 2014; the rotating rod assembly comprises three eccentric shafts 3022 and four rotating shafts 3021, each eccentric shaft 3022 is respectively arranged between two adjacent rotating shafts 3021, the central axes of the four rotating shafts 3021 are arranged in a collinear manner, and the eccentric shafts 3022 are arranged in one-to-one correspondence with the fixed blocks 103; in the using process, each connecting block 102 is respectively inserted into the corresponding fixing hole 2013, each fixing block 103 is respectively inserted into the corresponding fixing groove 2014, and each eccentric shaft 3022 is abutted to the corresponding fixing block 103 by rotating the handle 301.

With continued reference to fig. 6, 18, and 19, in another alternative embodiment, a side of the base 201 facing the clamping plate 101 is provided with three fixing holes 2013 and two fixing slots 2014, the three fixing holes 2013 are spaced along the first direction of the base 201, the two fixing slots 2014 are spaced along the first direction of the base 201, wherein a geometric center connecting line of the three fixing holes 2013 is parallel to a geometric center connecting line of the two fixing slots 2014, and the two fixing slots 2014 are spaced along the third direction 60; one side of the clamping plate 101, which faces the base 201, is provided with three connecting blocks 102 and two fixing blocks 103, the connecting blocks 102 are arranged in one-to-one correspondence with the fixing holes 2013, and the fixing blocks 103 are arranged in one-to-one correspondence with the fixing grooves 2014; the rotating rod assembly comprises two eccentric shafts 3022 and three rotating shafts 3021, each eccentric shaft 3022 is respectively arranged between two adjacent rotating shafts 3021, the central axes of the three rotating shafts 3021 are arranged in a collinear manner, and the eccentric shafts 3022 are arranged in one-to-one correspondence with the fixed blocks 103; in the using process, each connecting block 102 is respectively inserted into the corresponding fixing hole 2013, each fixing block 103 is respectively inserted into the corresponding fixing groove 2014, and each eccentric shaft 3022 is abutted to the corresponding fixing block 103 by rotating the handle 301.

With continued reference to fig. 5, 20, and 21, in another alternative embodiment, the side of the base 201 facing the clamping plate 101 is provided with two fixing holes 2013 and a fixing slot 2014, and the two fixing holes 2013 are spaced along the first direction of the base 201; two connecting blocks 102 and a fixing block 103 are arranged on one side of the clamping plate 101 facing the base 201, the connecting blocks 102 are arranged in one-to-one correspondence with the fixing holes 2013, and the fixing block 103 is arranged in correspondence with the fixing groove 2014; the rotating rod assembly comprises an eccentric shaft 3022 and two rotating shafts 3021, the eccentric shaft 3022 is arranged between the two rotating shafts 3021, the central axes of the two rotating shafts 3021 are arranged in a collinear manner, and the eccentric shaft 3022 is arranged corresponding to the fixed block 103; in the using process, each connecting block 102 is respectively inserted into the corresponding fixing hole 2013, the fixing block 103 is inserted into the fixing groove 2014, and the eccentric shaft 3022 is abutted to the fixing block 103 by rotating the handle 301.

With continued reference to fig. 7, 22, and 23, in another alternative embodiment, one side of the base 201 facing the clamping plate 101 is provided with two fixing holes 2013 and three fixing slots 2014, the two fixing holes 2013 are spaced along the first direction of the base 201, the three fixing slots 2014 are spaced along the first direction of the base 201, wherein a geometric center connecting line of the two fixing holes 2013 is parallel to a geometric center connecting line of the three fixing slots 2014, and is spaced along the third direction 60; two connecting blocks 102 and three fixing blocks 103 are arranged on one side of the clamping plate 101 facing the base 201, the connecting blocks 102 are arranged in one-to-one correspondence with the fixing holes 2013, and the fixing blocks 103 are arranged in one-to-one correspondence with the fixing grooves 2014; the rotating rod assembly comprises three eccentric shafts 3022 and four rotating shafts 3021, each eccentric shaft 3022 is respectively arranged between two adjacent rotating shafts 3021, the central axes of the four rotating shafts 3021 are arranged in a collinear manner, and the eccentric shafts 3022 are arranged in one-to-one correspondence with the fixed blocks 103; in the using process, each connecting block 102 is respectively inserted into the corresponding fixing hole 2013, each fixing block 103 is respectively inserted into the corresponding fixing groove 2014, and each eccentric shaft 3022 is abutted to the corresponding fixing block 103 by rotating the handle 301.

With continued reference to fig. 6, 24, and 25, in another alternative embodiment, one side of the base 201 facing the clamping plate 101 is provided with two fixing holes 2013 and two fixing slots 2014, the two fixing holes 2013 are spaced along the first direction of the base 201, the two fixing slots 2014 are spaced along the first direction of the base 201, wherein a geometric center connecting line of the two fixing holes 2013 is parallel to a geometric center connecting line of the two fixing slots 2014 and is spaced apart from the geometric center connecting line along the third direction 60; one side of the clamping plate 101, which faces the base 201, is provided with two connecting blocks 102 and two fixing blocks 103, the connecting blocks 102 are arranged in one-to-one correspondence with the fixing holes 2013, and the fixing blocks 103 are arranged in one-to-one correspondence with the fixing grooves 2014; the rotating rod assembly comprises two eccentric shafts 3022 and three rotating shafts 3021, each eccentric shaft 3022 is respectively arranged between two adjacent rotating shafts 3021, the central axes of the three rotating shafts 3021 are arranged in a collinear manner, and the eccentric shafts 3022 are arranged in one-to-one correspondence with the fixed blocks 103; in the using process, each connecting block 102 is respectively inserted into the corresponding fixing hole 2013, each fixing block 103 is respectively inserted into the corresponding fixing groove 2014, the handle 301 is rotated, and each eccentric shaft 3022 is abutted to the corresponding fixing block 103.

The operation process of the knife rest 1 for the slicer provided by the embodiment is as follows: taking the orientation shown in fig. 1 as an example, the blade 70 is placed on the first clamping portion 2015, and by rotating the handle 301 clockwise, the handle 301 drives the rotating rod assembly 302 and the positioning cam 303 to rotate, at this time, the eccentric shaft 3022 abuts against one side of the corresponding fixed block 103, the eccentric shaft 3022 drives the fixed block 103 to move, the fixed block 103 drives the clamp plate 101 to rotate clockwise around the connecting rod 202, and when the blade 70 is clamped by the second clamping portion 1011 and the first clamping portion 2015, the rotation of the handle 301 is stopped, and the blade 70 is installed; when the blade 70 is detached, the handle 301 is rotated counterclockwise, the handle 301 drives the rotating rod assembly 302 to rotate counterclockwise, at this time, the eccentric shaft 3022 is separated from the corresponding fixing block 103, the fixing block 103 drives the clamping plate 101 to rotate counterclockwise around the connecting rod 202 under the action of gravity, the second clamping portion 1011 is separated from the first clamping portion 2015, when the arc surface 3031 abuts against the stopping flange 2021, the handle 301 is stopped to rotate, and at this time, the blade 70 is taken out.

The knife rest 1 for the slicer provided by the embodiment comprises a clamping component 10, a base component 20 and an adjusting component 30; the base assembly 20 comprises a base 201 and a connecting rod 202, wherein a rotating hole 2011 and a mounting hole 2012 are formed in the base 201, the rotating hole 2011 and the mounting hole 2012 both extend along a first direction 40 of the base 201, a preset distance is arranged between the rotating hole 2011 and the mounting hole 2012 at intervals, the connecting rod 202 is inserted into the rotating hole 2011, the adjusting piece 30 is inserted into the mounting hole 2012, the adjusting piece 30 can rotate relative to the base 201, and the adjusting piece 30 is used for adjusting the clamping force of the clamping assembly 10 on the blade 70 placed on the base assembly 20; the clamping assembly 10 is positioned on one side of the base 201, the clamping assembly 10 is rotatably connected with the base 201 through a connecting rod 202, the clamping assembly 10 can rotate around the connecting rod 202, and the clamping assembly 10 is used for clamping the blade 70 in cooperation with the base 201; by the arrangement, the stress uniformity of the blade 70 is improved; meanwhile, compared with the traditional tool rest, the tool rest improves the working efficiency of installation.

The knife rest 1 for the slicer provided by the invention has the following advantages: the device has simple structure, easy manufacture and convenient operation.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Finally, it should be noted that: it should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the scope of the invention.