阅读说明：本技术 一种密封胶套及其侧面环切夹具 (Sealing rubber sleeve and side surface circular cutting clamp thereof ) 是由 熊平 范骁 王明旭 陈珏 李文龙 于 2020-12-28 设计创作，主要内容包括：本发明公开了一种密封胶套及其侧面环切夹具,包括凹型结构密封帽体,所述密封帽体上开设有切口,所述切口将密封帽体分割为密封帽身和密封帽顶,被密封流体通过压力作用于密封帽顶的内壁驱使切口打开流出。本发明的密封胶套结构可实现被密封流体的单向流通,当密封流体具有一定的压力时,推动密封帽顶使切口打开流体流出；无压力或压力较小时,筋线保持正常状态进行密封。(The invention discloses a sealing rubber sleeve and a side face circular cutting clamp thereof, which comprise a sealing cap body with a concave structure, wherein a cut is formed in the sealing cap body, the sealing cap body is divided into a sealing cap body and a sealing cap top by the cut, and a sealed fluid acts on the inner wall of the sealing cap top through pressure to drive the cut to be opened and flow out. The sealing rubber sleeve structure can realize one-way circulation of sealed fluid, and when the sealed fluid has certain pressure, the sealing cap top is pushed to open the cut to enable the fluid to flow out; when no pressure or low pressure exists, the rib wire is kept in a normal state for sealing.)

1. The sealing rubber sleeve is characterized by comprising a sealing cap body with a concave structure, wherein a notch is formed in the sealing cap body, the sealing cap body is divided into a sealing cap body and a sealing cap top by the notch, and sealed fluid acts on the inner wall of the sealing cap top through pressure to drive the notch to be opened and flow out.

2. The sealant sleeve according to claim 1, further comprising a sealing cap peak, wherein the sealing cap peak is disposed at the edge of the sealing cap body, the sealing cap peak and the sealing cap body are integrated, the plurality of cuts are cut around the sealing cap body, and the sealing cap body and the sealing cap top are connected by a rib line generated by cutting adjacent cuts.

3. The sealant sleeve according to claim 2, wherein the slit is obliquely cut around the sealing cap body, the rib line is of a trapezoid structure, a large end of the trapezoid structure is connected with the sealing cap body, and a small end of the trapezoid structure is connected with the sealing cap top.

4. The packing rubber sleeve of claim 3, wherein the transverse cross-sectional structure of the packing cap body is any one of a triangle, a rectangle and a circle.

5. The packing rubber sleeve of claim 4, wherein the transverse cross-sectional structure of the packing cap body is a circle, the central angle of the cut is 110-240 °, and the number of the cut is 2-6.

6. The side face circular cutting clamp for the sealing rubber sleeve is characterized by comprising a supporting seat and a notch jacket, wherein one end of the supporting seat is provided with a first step structure for supporting a sealing cap body, the notch jacket is detachably sleeved outside the first step structure, the side face of the notch jacket is provided with a cutting slit, and the cutting slit have the same length and the same path.

7. The side ring-cutting jig according to claim 6, wherein the number of the slits is one or more, and a positioning structure is provided between the slit collet and the support base.

8. The side ring cutting clamp according to claim 7, wherein the notch jacket is provided with a second step structure for pressing the sealing cap peak.

9. The side ring-cutting clamp according to claim 7, further comprising a fixing ring, wherein a third step structure is arranged on the fixing ring, the first step structure comprises a first step and a second step, the first step is used for supporting the sealing cap body, the fixing ring is detachably sleeved with the side surface of the second step through a threaded structure, and the third step structure is used for pressing the sealing cap brim tightly.

10. The side ring cutting fixture of claim 9, further comprising a rotatable base, the other end of the support base being rotatably connected to a cavity of the rotatable base.

Technical Field

The invention relates to the technical field of sealing parts and processing clamps thereof, in particular to a sealing rubber sleeve and a side surface circular cutting clamp thereof.

Background

The sealing member is a material or a part for preventing fluid or solid particles from leaking from an adjacent joint surface and preventing foreign substances such as dust and moisture from intruding into parts and components inside machine equipment, and is currently largely classified into a shaft seal and a hole seal. The shaft sealing element is mostly annular and sleeved on the shaft for sealing; the hole is with sealed the sealing that is used for the terminal surface more, and present hole is with sealing member adopts the incision of "ten" word or "meter" word at concave type structure's middle part more, and this type of incision adopts traditional die-cut technique to process, and the incision is the closure state when the processing back requires the sealing member not receive pressure, and the incision is the open mode when receiving pressure. When the sealing element is used, the notch is opened from the center to the edge by the pressure of fluid, and the middle part of the notch of the sealing element is weaker than other positions in strength, so that the fluid is easy to leak when weak pressure exists, and after the sealing element is used for a period of time, the central position is easy to deform, so that the condition of poor sealing is caused.

Therefore, a sealing member with a new structure is required to solve the above problems.

Disclosure of Invention

Aiming at the situation, the invention provides a sealing rubber sleeve and a side surface circular cutting clamp thereof, wherein the sealing rubber sleeve can be used for one-way sealing and is opened by the pressure of sealed fluid; the fixture has the advantages of simplicity and convenience in operation, high incision precision and good stability of cut products, solves the problem of poor sealing performance when the conventional die is formed in one step, and realizes batch production of elastic rubber sleeve side circular cut products.

The sealing rubber sleeve comprises a sealing cap body with a concave structure, wherein a notch is formed in the sealing cap body, the sealing cap body is divided into a sealing cap body and a sealing cap top by the notch, and sealed fluid acts on the inner wall of the sealing cap top through pressure to drive the notch to be opened and flow out.

Specifically, the material of the sealing rubber sleeve is any one of silica gel, ethylene propylene rubber or fluorine rubber.

The novel hat is characterized by further comprising a sealing hat brim, wherein the sealing hat brim is arranged at the edge of the sealing hat body, the sealing hat brim and the sealing hat body are of an integral structure, the plurality of cuts are formed and cut around the sealing hat body, and the sealing hat body and the sealing hat top are connected through a rib line generated by cutting of the adjacent cuts.

Furthermore, the sealing cap peak is arranged at the outer edge of the sealing cap body, and the sealing cap peak is perpendicular to the sealing cap body.

Furthermore, the notch is obliquely cut around the sealing cap body, the rib line is of a trapezoidal structure, one end of the large end of the trapezoidal structure is connected with the sealing cap body, and the small end of the trapezoidal structure is connected with the sealing cap top.

Specifically, the transverse cross-sectional structure of the sealing cap body is any one of a triangle, a rectangle and a circle.

Preferably, the transverse cross-sectional structure of the sealing cap body is circular, the central angle of the cut is 110-240 degrees, and the number of the cut is 2-6.

The side face circular cutting clamp based on the sealing rubber sleeve comprises a supporting seat and a notch clamping sleeve, wherein a first step structure used for supporting a sealing cap body is arranged at one end of the supporting seat, the notch clamping sleeve is detachably sleeved outside the first step structure, a cutting seam is arranged on the side face of the notch clamping sleeve, and the length and the path of the cutting seam are the same as those of the notch.

Furthermore, the number of the cutting seams is one or more, and a positioning structure is arranged between the notch jacket and the supporting seat.

Specifically, the positioning structure comprises a first pin hole, a second pin hole and a pin shaft, the pin shaft penetrates through the first pin hole and the second pin hole to be positioned, the first pin hole penetrates through the side wall of the notch clamping sleeve, and the second pin hole is formed in the side wall of the supporting seat.

The second pinhole is a plurality of, encircles the lateral wall setting of supporting seat.

Further specifically, the width of the slit is 0.1-1.5 mm.

Furthermore, a second step structure for pressing and sealing the cap peak is arranged on the notch jacket.

Further preferably, still include the retainer plate, be equipped with third stair structure on the retainer plate, first stair structure includes one-level step and second grade step, one-level step is used for supporting the sealed cap body, the suit can be dismantled through helicitic texture to the retainer plate and the side of second grade step, third stair structure is used for the compaction to seal the brim of a hat.

Preferably, the outer surface of the fixing ring is knurled.

Further preferably, the thread structure is a T-thread structure.

Furthermore, the device also comprises a rotating seat, and the other end of the supporting seat is rotationally connected with a cavity of the rotating seat.

Compared with the prior art, the invention has the beneficial effects that:

1. the sealing rubber sleeve structure can realize one-way circulation of sealed fluid, and when the sealed fluid has certain pressure, the sealing cap top is pushed to open the cut to enable the fluid to flow out; when no pressure or low pressure exists, the rib wire is kept in a normal state for sealing.

2. The length of the rib line generated by cutting is controlled by the length of the axial superposition between the adjacent cuts, so that the distance between the sealing cap body and the sealing cap top after the sealing rubber sleeve is opened is controlled, and the maximum flow of the fluid can be controlled when the sealing rubber sleeve is used as a valve.

3. The cut of the sealing rubber sleeve is generated by cutting with a cutter, no material is cut off, and the cut is tightly threaded and seamed, so that the sealing rubber sleeve has a better sealing effect.

4. The clamp structure has the functions of supporting, fixing and side cutting, and can support and fix the sealing rubber sleeve, so that the sealing rubber sleeve can bear the force of a cutter during side cutting, the position of the sealing rubber sleeve is kept fixed without displacement, and the purpose of accurate side circular cutting is achieved.

5. The notch jacket of the clamp structure has a quick-release function, the sealing rubber sleeve with small volume, multiple circular cutting lines and large angle can be realized by rotating the notch jacket, and meanwhile, the sealing rubber sleeve is notched only according to the existing cutting path on the notch jacket, so that the stability and the precision of the product quality can be ensured.

Drawings

Fig. 1 is a schematic structural view of a closed state of a sealing rubber sleeve in embodiment 1;

fig. 2 is a schematic perspective view of the open state of the sealing rubber sleeve in embodiment 1, in which the arrows indicate the flowing direction of the fluid;

FIG. 3 is a schematic view showing the structure of a side ring-cutting jig in embodiment 1;

fig. 4 is a schematic structural view of a side ring-cutting jig in embodiment 2.

The novel cap comprises a sealing cap peak 1, a sealing cap body 2, a notch 3, a sealing cap body 4, a sealing cap top 5, a rib line 6, a support seat 7, a notch jacket 8, a first step structure 9, a cutting seam 10, a positioning structure 11, a first pin hole 12, a second pin hole 13, a pin shaft 14, a second step structure 15, a fixing ring 16, a third step structure 17, a first step 18, a second step 19, a rotating seat 20, a cavity 21, a cutter 22 and a sealing rubber sleeve 23.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Example 1

As shown in fig. 1 and 2, the sealing rubber sleeve of the present invention includes a sealing cap body with a concave structure, wherein a notch is formed in the sealing cap body, the notch divides the sealing cap body into a sealing cap body and a sealing cap top, and a sealed fluid acts on an inner wall of the sealing cap top through a pressure to drive the notch to open and flow out.

The material of the sealing rubber sleeve is silica gel, so that the sealing rubber sleeve has good tensile resistance, is non-toxic and tasteless, and has long service life.

The novel hat is characterized by further comprising a sealing hat brim, the sealing hat brim is arranged on the outer edge of the sealing hat body, the sealing hat brim and the sealing hat body are of an integrated structure, the number of the cuts is 2, the cuts are cut around the sealing hat body, and the sealing hat body and the sealing hat top are connected through ribs generated by cutting of adjacent cuts. The rib line is the axial superimposed length between the adjacent incisions, and the longer the rib line is, the greater the pressure required by the inner wall of the sealing cap top to drive the incisions to be opened is.

The notch is obliquely cut around the sealing cap body, the rib line is of a trapezoidal structure, one end of the large end of the trapezoidal structure is connected with the sealing cap body, and the small end of the trapezoidal structure is connected with the sealing cap top.

The transverse section structure of the sealing cap body is circular. The transverse section structure of the sealing cap body is circular, and the central angle of the notch is 240 degrees.

As shown in fig. 3, the side face circular cutting clamp based on the sealing rubber sleeve comprises a supporting seat and a notch jacket, wherein a first step structure for supporting a sealing cap body is arranged at one end of the supporting seat, the notch jacket is detachably sleeved outside the first step structure, a cutting seam is arranged on the side face of the notch jacket, and the length and the path of the cutting seam are the same as those of the notch.

The incision is two, be equipped with location structure between incision jacket and the supporting seat.

The positioning structure comprises a first pin hole, a second pin hole and a pin shaft, the pin shaft penetrates through the first pin hole and the second pin hole to be positioned, the first pin hole is arranged on the side wall of the notch clamping sleeve in a penetrating mode, and the second pin hole is arranged on the side wall of the supporting seat.

The width of the cutting seam is 0.6mm, and a second step structure used for pressing the sealing brim is arranged on the cutting seam jacket.

The supporting seat is characterized by further comprising a rotating seat, the other end of the supporting seat is rotatably connected with a cavity of the rotating seat, a bearing is installed in the cavity, and the supporting seat is sleeved in the bearing.

In the embodiment, the sealing rubber sleeve is integrally formed through a rubber mould pressing process by a mould, and then a notch is manufactured through a side surface circular cutting clamp after the sealing rubber sleeve is formed. The steps of making the incision are as follows: firstly, the sealing cap body of the sealing rubber sleeve is sleeved with the first step structure, the surface of the sealing rubber sleeve is extruded, air in the sealing rubber sleeve is exhausted, and the sealing rubber sleeve is ensured to be completely attached to the supporting seat. And sleeving the notch clamping sleeve on the sealing rubber sleeve, tightly pressing the sealing cap brim through a second step structure, aligning the first pin hole and the second pin hole, and penetrating a pin shaft to position the notch clamping sleeve and the supporting seat. The cutter cuts the sealing rubber sleeve by the path of the cutting seam, the blade thickness of the cutter is 0.4mm, the sealing rubber sleeve is cut along the two cutting seams respectively to form two notches, the pin is disassembled after the cutting is finished, and the notch jacket and the sealing rubber sleeve are taken down in sequence. The incision can also be cut in another way: the cutter punctures the sealed gum cover by the joint-cutting, keeps the cutter fixed, rotates the supporting seat and cuts out the incision.

Example 2

The sealing rubber sleeve comprises a sealing cap body with a concave structure, wherein a notch is formed in the sealing cap body, the sealing cap body is divided into a sealing cap body and a sealing cap top by the notch, and sealed fluid acts on the inner wall of the sealing cap top through pressure to drive the notch to be opened and flow out.

Specifically, the material of the sealing rubber sleeve is silica gel.

The novel hat is characterized by further comprising a sealing hat brim, the sealing hat brim is arranged on the outer edge of the sealing hat body, the sealing hat brim and the sealing hat body are of an integrated structure, the number of the cuts is 4, the cuts are cut around the sealing hat body, and the sealing hat body and the sealing hat top are connected through ribs generated by cutting of adjacent cuts.

The incision encircles the oblique cutting of the sealing cap body, the muscle line is the trapezium structure, the major part one end and the sealing cap body of trapezium structure are connected, and the microcephaly is connected with the sealing cap top, guarantees that the muscle line has better intensity.

The transverse section structure of the sealing cap body is circular, the central angle of the cut is 165 degrees, and the number of the cuts is 4.

As shown in fig. 4, the side face circular cutting clamp based on the sealing rubber sleeve comprises a supporting seat and a notch jacket, wherein a first step structure for supporting a sealing cap body is arranged at one end of the supporting seat, the notch jacket is detachably sleeved outside the first step structure, a cutting seam is arranged on the side face of the notch jacket, and the length and the path of the cutting seam are the same as those of the notch.

The incision is one, and a positioning structure is arranged between the incision jacket and the supporting seat.

Specifically, the positioning structure comprises a first pin hole, a second pin hole and a pin shaft, the pin shaft penetrates through the first pin hole and the second pin hole to be positioned, the first pin hole penetrates through the side wall of the notch clamping sleeve, and the second pin hole is formed in the side wall of the supporting seat.

The number of the second pin holes is four, the second pin holes are arranged around the side wall of the supporting seat, the adjacent included angles of the four second pin holes on the supporting seat are evenly distributed by 90 degrees, and the width of the cutting seam is 0.8 mm.

Still include the retainer plate, be equipped with third stair structure on the retainer plate, first stair structure includes one-level step and second grade step, the one-level step is used for supporting the sealing cap body, the suit can be dismantled through T type tooth thread structure to the side of retainer plate and second grade step, third stair structure is used for the compaction to seal the brim of a hat. Knurling processing is carried out on the outer surface of the fixing ring, and the fixing ring can be quickly assembled and disassembled conveniently.

The supporting seat is characterized by further comprising a rotating seat, and the other end of the supporting seat is rotatably connected with a cavity of the rotating seat.

The sealing rubber sleeve is integrally formed through a rubber mould pressing process through a mould, and then a notch is manufactured through a side face circular cutting clamp after the sealing rubber sleeve is formed. The steps of making the incision are as follows: firstly, the sealing cap body of the sealing rubber sleeve is sleeved with the first step structure, the surface of the sealing rubber sleeve is extruded, air in the sealing rubber sleeve is exhausted, and the sealing rubber sleeve is ensured to be completely attached to the supporting seat. Sleeving a fixing ring and screwing threads, pressing the sealing brim through a third step structure, sleeving a notch clamping sleeve to install a positioning pin, cutting the sealing rubber sleeve by a cutter through a cutting seam path, removing the positioning pin after completing the cutting of one notch, rotating the notch clamping sleeve to position to another second pin hole, and cutting another notch until completing the cutting of four notches. The cutting of four incisions can be accomplished through location structure to only a joint-cutting to this embodiment, avoids the joint-cutting to produce when too many to the incision jacket structure and destroys, causes intensity not enough, influences life and the processing degree of difficulty, and cutting jacket accessible machine tooling, casting or any kind of mode preparation in the 3D prints, and this embodiment adopts wire cut electrical discharge machining to process the preparation.

Example 3

The sealing rubber sleeve comprises a sealing cap body with a concave structure, wherein a notch is formed in the sealing cap body, the sealing cap body is divided into a sealing cap body and a sealing cap top by the notch, and sealed fluid acts on the inner wall of the sealing cap top through pressure to drive the notch to be opened and flow out.

The sealing rubber sleeve is made of ethylene propylene rubber.

The novel hat is characterized by further comprising a sealing hat brim, the sealing hat brim is arranged at the edge of the sealing hat body, the sealing hat brim and the sealing hat body are of an integrated structure, the number of the cuts is 3, the cuts are cut around the sealing hat body, and the sealing hat body and the sealing hat top are connected through ribs generated by cutting of adjacent cuts.

The notch is obliquely cut around the sealing cap body, the rib line is of a trapezoidal structure, one end of the large end of the trapezoidal structure is connected with the sealing cap body, and the small end of the trapezoidal structure is connected with the sealing cap top.

The transverse section structure of the sealing cap body is triangular, and the transverse section structure of the sealing cap body is rectangular in the other embodiment.

The side face circular cutting clamp based on the sealing rubber sleeve comprises a supporting seat and a notch clamping sleeve, wherein a first step structure used for supporting a sealing cap body is arranged at one end of the supporting seat, the notch clamping sleeve is detachably sleeved outside the first step structure, a cutting seam is arranged on the side face of the notch clamping sleeve, and the length and the path of the cutting seam are the same as those of the notch.

The cutting joint is one, a positioning structure is arranged between the notch jacket and the supporting seat, the width of the cutting joint is 1.4mm, and the thickness of a blade of the cutter is 0.9 mm.

Still include the retainer plate, be equipped with third stair structure on the retainer plate, first stair structure includes one-level step and second grade step, the one-level step is used for supporting the sealing cap body, the suit can be dismantled through helicitic texture to the side of retainer plate and second grade step, third stair structure is used for the compaction to seal the brim of a hat.

The horizontal section structure of incision clamp cover, supporting seat and retainer plate is triangle-shaped, fixes a position through triangle-shaped structure suit, cuts 3 incisions in proper order.