阅读说明：本技术 一种变向拧螺丝装置 (Turning screw screwing device ) 是由 张红霞 于 2021-08-09 设计创作，主要内容包括：本发明公开了一种变向拧螺丝装置,包括：刚性固定件、安装于刚性固定件的刚性换向组件、操作组件以及刀头组件；刚性换向组件设置有可转动的输入端以及与输入端的转动方向相反的输出端,输入端的转动轴线与输出端的转动轴线平行,刀头组件与输出端连接,操作组件与输入端连接。本发明提供的变向拧螺丝装置在使用的过程中,可以实现反向螺丝的拧紧或松开,并且在旋拧的过程中,通过刚性换向组件、刚性固定件传递扭矩,避免了柔性连接件的设置,因此可以传递较大的扭矩；适用于旋拧扭矩较大的反向螺丝。(The invention discloses a turning screw-driving device, comprising: the rigid reversing component is arranged on the rigid fixing component; the rigid reversing assembly is provided with a rotatable input end and an output end opposite to the rotation direction of the input end, the rotation axis of the input end is parallel to that of the output end, the tool bit assembly is connected with the output end, and the operation assembly is connected with the input end. The turning screwing device provided by the invention can realize screwing or loosening of a reverse screw in the using process, and in the screwing process, the torque is transmitted through the rigid reversing assembly and the rigid fixing piece, so that the arrangement of a flexible connecting piece is avoided, and the larger torque can be transmitted; the reverse screw is suitable for screwing reverse screws with large torque.)

1. A turning screw driving device is characterized by comprising: the cutter head assembly comprises a rigid fixing piece (3), a rigid reversing assembly arranged on the rigid fixing piece (3), an operating assembly and a cutter head assembly;

the rigid reversing assembly is provided with a rotatable input end and an output end opposite to the rotation direction of the input end, the rotation axis of the input end is parallel to that of the output end, the tool bit assembly is connected with the output end, and the operation assembly is connected with the input end.

2. A direction-changing screwing device according to claim 1, wherein said rigid reversing assembly comprises a connecting rod portion slidable and rotatable with respect to said rigid fixing member (3), said operating assembly being rotatably mounted about its own central axis at one end of said rigid fixing member (3), said cutter head assembly being rotatably mounted about its own central axis at the other end of said rigid fixing member (3);

one end of the connecting rod part is rotatably connected with the non-central axis of the operation assembly, and the other end of the connecting rod part is rotatably connected with the non-central axis of the cutter head assembly.

3. The turning screwing device according to claim 2, characterized in that the connecting rod portion comprises a connecting piece (5) and a connecting rod (4), a sliding groove (33) is arranged at the non-end position of the rigid fixing piece (3), the connecting piece (5) is slidably arranged in the sliding groove (33), and the non-end position of the connecting rod (4) is rotatably connected with the connecting piece (5).

4. Direction-changing screwing device according to claim 3, characterized in that said connecting rod (4) is of rectilinear rod-like configuration.

5. Direction-changing screwing device according to claim 3, characterized in that said runner (33) is arranged in the middle of said rigid fixing element (3) in the length direction.

6. The direction-changing screwing device according to any one of claims 2 to 5, wherein the operating assembly comprises an operating handle (1) and a handle connecting piece (2) detachably connected to the operating handle (1), and the handle connecting piece (2) is rotatably connected with the rigid fixing piece (3).

7. The turning screwing device according to claim 6, wherein the rigid fixing member (3) is provided with a first mounting hole (31), and the handle connecting member (2) is provided with a first fitting shaft section rotatably provided through the first mounting hole (31), a first upper limit portion provided at an outer peripheral portion of the first fitting shaft section and fitted with an upper side surface of the first mounting hole (31), and a first lower limit portion provided at an outer peripheral portion of the first fitting shaft section and fitted with a lower side surface of the first mounting hole (31).

8. Direction-changing screwing device according to any one of claims 2 to 5, wherein said head assembly comprises a head attachment (6) and a screwdriver head (7) removably connected to said head attachment (6).

9. The turning screwing device according to claim 8, wherein the rigid fixing member (3) is provided with a second mounting hole (32), and the bit connecting member (6) is provided with a second fitting shaft section rotatably provided through the second mounting hole (32), a second upper stopper portion provided at an outer peripheral portion of the second fitting shaft section and fitted to an upper side surface of the second mounting hole (32), and a second lower stopper portion provided at an outer peripheral portion of the second fitting shaft section and fitted to a lower side surface of the second mounting hole (32).

10. Direction-changing screwing device according to claim 8, characterized in that said head connector (6) is connected to said screwdriver head (7) by means of keys or splines.

Technical Field

The invention relates to the technical field of screw screwing equipment, in particular to a turning screw screwing device.

Background

A screwdriver is a common tool used to turn a screw into place, typically having a thin wedge-shaped head that is insertable into a slot or recess in the head of the screw; the head type of the existing screwdriver comprises a straight line head, a cross head, a Chinese character 'mi', a star type head, a square head, a hexagonal head, a Y-shaped head and the like, wherein the straight line head and the cross head are most commonly used in our life and are used for installation, maintenance and the like. The screwdriver is characterized in that the structural types comprise a straight type, an L type and a T type, the straight type is the most common type, and the head types comprise a straight type, a cross type, a Chinese character 'mi', a T type, an H type and the like; the L-shaped screwdriver is mostly seen in the hexagonal screwdriver, and the longer rod of the L-shaped screwdriver is used for increasing the torque, so that the L-shaped screwdriver is more labor-saving; the T-shaped structure is more applied in the automobile repair industry.

The various screwdrivers can only screw screws in the same direction, and the screwdrivers are limited in operation space, and the screws with the handles and the screwdrivers in opposite directions are disassembled by arranging the soft extension rod in the prior art, but the soft extension rod cannot transmit large torque in order to ensure flexibility, and the use scene is limited.

In summary, how to increase the value of the torque that can be transmitted by the direction-changing screwing device is an urgent problem to be solved by those skilled in the art.

Disclosure of Invention

In view of the above, an object of the present invention is to provide a turning screwing device, when screwing an operating assembly, the rotation directions of a cutter head assembly and the operating assembly are opposite, the cutter head assembly drives a screw to rotate, so as to implement installation or detachment of a reverse screw, and the arrangement of a rigid fixing member and a rigid reversing assembly avoids the arrangement of a flexible connecting member, so as to transmit a large torque.

In order to achieve the above purpose, the invention provides the following technical scheme:

a direction-changing screwing device comprising: the rigid reversing component is arranged on the rigid fixing component;

the rigid reversing assembly is provided with a rotatable input end and an output end opposite to the rotation direction of the input end, the rotation axis of the input end is parallel to that of the output end, the tool bit assembly is connected with the output end, and the operation assembly is connected with the input end.

Optionally, the rigid reversing assembly comprises a connecting rod part which can slide and rotate relative to the rigid fixing piece, the operating assembly is rotatably mounted at one end of the rigid fixing piece around the central axis of the operating assembly, and the cutter head assembly is rotatably mounted at the other end of the rigid fixing piece around the central axis of the cutter head assembly;

one end of the connecting rod part is rotatably connected with the non-central axis of the operation assembly, and the other end of the connecting rod part is rotatably connected with the non-central axis of the cutter head assembly.

Optionally, the connecting rod portion includes a connecting piece and a connecting rod, a sliding groove is disposed at a non-end portion of the rigid fixing piece, the connecting piece is slidably disposed in the sliding groove, and a non-end portion of the connecting rod is rotatably connected to the connecting piece.

Optionally, the connecting rod is a linear rod-shaped structure.

Optionally, the sliding groove is disposed at a middle position in the length direction of the rigid fixing member.

Optionally, the operating assembly includes an operating handle and a handle connector detachably connected to the operating handle, and the handle connector is rotatably connected to the rigid fixing member.

Optionally, the rigidity mounting is provided with first mounting hole, the handle connecting piece is provided with rotatable passing first cooperation shaft section that first mounting hole set up, set up in the peripheral part of first cooperation shaft section and with the first spacing portion of going up of the laminating of the side of first mounting hole and set up in the peripheral part of first cooperation shaft section and with the first spacing portion of the downside laminating of first mounting hole.

Optionally, the bit assembly includes a bit connector and a screwdriver bit removably connected to the bit connector.

Optionally, the rigidity mounting is provided with the second mounting hole, the tool bit connecting piece is provided with rotatable passing second cooperation shaft section that the second mounting hole set up, set up in the peripheral part of second cooperation shaft section and with the second upper limit portion of the last side laminating of second mounting hole and the peripheral part of second cooperation shaft section and with the second lower limit portion of the downside laminating of second mounting hole.

Optionally, the bit connector is connected to the screwdriver bit through a key or a spline.

In the process of using the turning screwing device provided by the invention, firstly, the operation component is required to be connected to the input end of the rigid reversing component, the cutter head component is connected to the output end of the rigid reversing component, the rigid reversing component is connected to the rigid fixing component, and in the using process, the screwdriver bit of the cutter head component is in matched contact with the screw to be screwed, the screwing operation component can drive the output end to reversely rotate, so that the cutter head component drives the screw to be screwed to reversely rotate, and the screwing or the dismounting of the screw is realized.

Compared with the prior art, the turning screwing device provided by the invention can realize the screwing or loosening of a reverse screw in the using process, and in the screwing process, the torque is transmitted through the rigid reversing assembly and the rigid fixing piece, so that the arrangement of a flexible connecting piece is avoided, and the larger torque can be transmitted; the reverse screw is suitable for reverse screws with larger screwing torques; in addition, the turning screw screwing device is simple and compact in structure and can be suitable for the condition of limited operation space.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a direction-changing screwing device according to an embodiment of the present invention;

FIG. 2 is a front view of the direction changing threading device of FIG. 1;

FIG. 3 is a top view of the direction changing threading device of FIG. 1;

FIG. 4 is a schematic cross-sectional view taken along the line A-A in FIG. 3;

FIG. 5 is an exploded view of the direction-changing threading device of FIG. 1;

FIG. 6 is a front view of the direction changing threading device of FIG. 5;

fig. 7 is a schematic view of a specific embodiment of a screwdriver bit.

In fig. 1 to 7:

1 is an operating handle, 2 is a handle connecting piece, 21 is a first through hole, 3 is a rigid fixing piece, 31 is a first mounting hole, 32 is a second mounting hole, 33 is a chute, 4 is a connecting rod, 41 is a first rotating part, 42 is a second rotating part, 5 is a connecting piece, 6 is a tool bit connecting piece, 61 is a second through hole, and 7 is a screwdriver bit.

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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The core of the invention is to provide a turning screwing device, when an operation component is screwed, the rotation directions of a tool bit component and the operation component can be opposite, the tool bit component drives a screw to rotate, and the installation or the disassembly of the reverse screw is realized, and the arrangement of a rigid fixing piece and a rigid reversing component avoids the arrangement of a flexible connecting piece and can transmit larger torque.

Referring to fig. 1 to 7, fig. 1 is a schematic structural diagram of an embodiment of a direction-changing screwing device provided in the present invention; FIG. 2 is a front view of the direction changing threading device of FIG. 1; FIG. 3 is a top view of the direction changing threading device of FIG. 1; FIG. 4 is a schematic cross-sectional view taken along the line A-A in FIG. 3; FIG. 5 is an exploded view of the direction-changing threading device of FIG. 1; FIG. 6 is a front view of the direction changing threading device of FIG. 5; fig. 7 is a schematic view of a specific embodiment of a screwdriver bit.

This embodiment provides a turning screw device, includes: the rigid fixing part 3, the rigid reversing component arranged on the rigid fixing part 3, the operating component and the cutter head component;

the rigid reversing assembly is provided with a rotatable input end and an output end opposite to the rotation direction of the input end, the rotation axis of the input end is parallel to that of the output end, the tool bit assembly is connected with the output end, and the operation assembly is connected with the input end.

The rigid reversing component can be a gear set and is provided with an input end and an output end, the rotating direction of the input end is opposite to that of the output end, the rotating axis of the input end is parallel to that of the output end, and the output end can be driven to rotate by rotating the input end; at the moment, the operation assembly is connected with the input end of the gear set, the cutter head assembly is connected with the output end of the gear set, and the cutter head assembly can be driven to rotate in the opposite direction by rotating the operation assembly so as to drive the reverse screw to rotate and realize the disassembly or the installation of the reverse screw; in addition, because the gear set is a rigid structure, deformation does not exist basically in the process of transmitting torque, and larger torque can be transmitted.

Of course, the rigid reversing component can also be other reversing structures, which are determined according to actual conditions.

In the process of using the turning screw tightening device provided in this embodiment, the operation assembly needs to be connected to the input end of the rigid reversing assembly, the tool bit assembly is connected to the output end of the rigid reversing assembly, and the rigid reversing assembly is connected to the rigid fixing member 3.

Compared with the prior art, the turning screwing device provided by the embodiment can realize screwing or loosening of a reverse screw in the using process, and in the screwing process, the rigid reversing assembly and the rigid fixing piece 3 transmit torque, so that the flexible connecting piece 5 is avoided, and larger torque can be transmitted; the reverse screw is suitable for reverse screws with larger screwing torques; in addition, the turning screw screwing device is simple and compact in structure and can be suitable for the condition of limited operation space.

On the basis of the above embodiment, the rigid reversing assembly may include a connecting rod portion slidable and rotatable with respect to the rigid fixing member 3, the operating assembly may be rotatably mounted to one end of the rigid fixing member 3 around its own central axis, and the cutter head assembly may be rotatably mounted to the other end of the rigid fixing member 3 around its own central axis; one end of the connecting rod part is rotatably connected with the non-central axis of the operation component, and the other end of the connecting rod part is rotatably connected with the non-central axis of the cutter head component.

During the use process, the screwing operation assembly can drive the connecting rod part to rotate and slide relative to the rigid fixing piece 3, and during the rotation process, the rotation direction of one end, connected with the cutter head assembly, of the connecting rod part is opposite to that of one end, connected with the operation assembly, of the connecting rod part, so that the screwing operation assembly can drive the cutter head assembly to rotate reversely, and the detachment or installation of a reverse screw is realized.

The connecting rod portion can be set to be an integrated structure, and can also comprise a connecting piece 5 and a connecting rod 4, a sliding groove 33 is formed in the non-end portion of the rigid fixing piece 3, the connecting piece 5 can be slidably arranged in the sliding groove 33, and the non-end portion of the connecting rod 4 is rotatably connected with the connecting piece 5.

During use, the connecting rod 4 can be driven to rotate relative to the connecting piece 5 by screwing the operating component, the connecting piece 5 slides in the sliding groove 33, so that the connecting rod 4 rotates relative to the connecting piece 5, the non-end part of the connecting rod 4 is connected with the connecting piece 5, one end of the connecting rod 4 is rotatably connected with the non-central axis of the operating component, and the other end of the connecting rod 4 is rotatably connected with the non-central axis of the cutter head component; the rotation directions of both ends of the link 4 are opposite.

It should be noted that, in the setting process, in order to enable the connecting rod 4 to smoothly drive the cutter head assembly to rotate, and the rotating direction of the operating assembly is opposite, a waist-shaped hole may be provided at the middle position of the connecting rod 4, so that the connecting member 5 passes through the waist-shaped hole and is slidably disposed along the length direction of the waist-shaped hole.

Optionally, the connecting rod 4 may be configured as a linear rod-shaped structure, and the rigid fixing member 3 is a linear rod-shaped fixing member; the linear structure is more convenient to process and install, and the structure of the turning and screwing device can be simplified.

Alternatively, the sliding slot 33 may be disposed at the middle position of the length of the rigid fixing member 3, and the middle position of the length direction of the connecting rod 4 is rotatably connected to the connecting member 5, so that the force acting on the operating assembly and the cutter head assembly is more uniform and stable.

On the basis of the above embodiment, the operating assembly comprises an operating handle 1 and a handle connecting piece 2 detachably connected to the operating handle 1, and the handle connecting piece 2 is rotatably connected with the rigid fixing piece 3.

The rigid fixing member 3 is provided with a first mounting hole 31, and the handle connecting member 2 is provided with a first matching shaft section which is rotatably arranged through the first mounting hole 31, a first upper limiting part which is arranged at the outer peripheral part of the first matching shaft section and is attached to the upper side surface of the first mounting hole 31, and a first lower limiting part which is arranged at the outer peripheral part of the first matching shaft section and is attached to the lower side surface of the first mounting hole 31.

The handle connecting piece 2 is connected with the operating handle 1 through keys or splines. In the using process, the handle connecting piece 2 and the operating handle 1 can be detached so as to be convenient to replace.

The cutter head component comprises a cutter head connecting piece 6 and a screwdriver head 7 which is detachably connected with the cutter head connecting piece 6; in the use process, the screwdriver head 7 can be replaced according to different types and types of screws, so that the turning screwing device is suitable for the disassembly and the assembly of different types of screws.

In order to facilitate the replacement of different screwdriver bits 7, the bit connector 6 may be connected to the screwdriver bit 7 by a key or a spline.

The rigid fixing member 3 is provided with a second mounting hole 32, and the tool bit connecting member 6 is provided with a second fitting shaft section rotatably passing through the second mounting hole 32, a second upper limiting portion arranged at the outer periphery of the second fitting shaft section and attached to the upper side surface of the second mounting hole 32, and a second lower limiting portion arranged at the outer periphery of the second fitting shaft section and attached to the lower side surface of the second mounting hole 32.

As shown in fig. 5, both ends of the rigid fixing member 3 are provided with downward bends, and a first mounting hole 31 and a second mounting hole 32 are provided at the bend, the first mounting hole 31 and the second mounting hole 32 are both of a cylindrical structure, a first matching shaft section of the handle connecting member 2 passes through the first mounting hole 31, and is axially limited by a first upper limiting part and a first lower limiting part, so that the handle connecting member 2 is axially fixed and circumferentially rotatably provided relative to the rigid fixing member 3; a first through hole 21 is formed at a position close to the edge of the first upper positioning portion, and the first rotating portion 41 of the link 4 is rotatably inserted into the first through hole 21. The second cooperation shaft section of tool bit connecting piece 6 passes second mounting hole 32, and the axial is spacing by spacing portion under second upper limit portion and the second, makes tool bit connecting piece 6 for rigid fixing piece 3 axial fixity, and the rotatable setting of circumference is provided with second through-hole 61 in the edge that is close of spacing portion on the second, and rotatable the inserting of second rotating part 42 of connecting rod 4 is located in second through-hole 61.

It should be noted that, in the present document, the first through hole 21 and the second through hole 61, the first mounting hole 31 and the second mounting hole 32, the first rotating portion 41 and the second rotating portion 42, the first upper limiting portion and the second upper limiting portion, and the first lower limiting portion and the second lower limiting portion are mentioned only for distinguishing the difference of the positions, and are not sequentially mentioned.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. Any combination of all embodiments provided by the present invention is within the scope of the present invention, and will not be described herein.

The turning screw screwing device provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.