CN110370207A - A kind of sleeve and box spanner - Google Patents

Abstract

The present invention provides a kind of sleeves, including stack shell, clamping piece, load-bearing part and elastic component；Stack shell has a first end and a second end, and first end is arranged to be connected with pinch bar, and second end is then provided at least two clamping pieces；Clamping piece is assembled on load-bearing part, and clamping piece is moveable radially relative to load-bearing part；Load-bearing part can move on the axis direction of stack shell, and when first end motion of the load-bearing part to stack shell, the restoring force by elastic component is acted on；The first inclined-plane is provided on clamping piece, the second inclined-plane is provided on the inner wall of stack shell, first inclined-plane is matched with the second inclined-plane, so that the second inclined-plane makes clamping piece radially to the axial-movement of stack shell the reaction force on the first inclined-plane to when the second end motion on axis under the action of restoring force of the clamping piece in elastic component along stack shell.

Description

Socket and socket wrench

technical field

The invention belongs to hand tools, in particular to a socket and a socket wrench.

Background technique

The size of the sleeves in the present technology is mainly fixed, and the specifications are divided into metric and imperial. Generally, a ratchet handle is equipped with multiple sleeves, and multiple sleeves usually need to be equipped with a large toolbox or plastic stand. A complete set of sleeves with complete specifications is expensive and inconvenient to carry.

During daily use, some bolts and nuts are rusted and corroded, resulting in smaller sizes, and sleeves corresponding to standard specifications are prone to slipping and other phenomena when used, and cannot be used normally.

Therefore, those skilled in the art are devoting themselves to developing a socket and a socket wrench that are applicable to multiple specifications.

Contents of the invention

In view of the above-mentioned defects of the prior art, the technical problem to be solved by the present invention is how to use one sleeve to be suitable for parts of multiple specifications.

The present invention firstly provides a sleeve, including a cylinder body, a clamping part, a bearing part and an elastic part; the cylinder body has a first end and a second end, the first end is set to Then at least two clamping parts are provided; the clamping part is assembled on the bearing part, and the clamping part is movable in the radial direction relative to the bearing part; the bearing part can move in the axial direction of the cylinder body, when When the bearing part moves to the first end of the cylinder body, it is acted by the restoring force of the elastic part; the clamping part is provided with a first slope, and the inner wall of the cylinder body is provided with a second slope, and the first slope matches the second slope , so that when the clamping member moves toward the second end along the axis of the cylinder body under the action of the restoring force of the elastic member, the reaction force of the second slope on the first slope makes the clamping member move radially toward the cylinder body axis movement.

Further, a limiting mechanism is also included, and the limiting mechanism makes the movement of the bearing member along the axis of the cylinder body to the second end limited.

Further, the limit mechanism is a snap spring arranged on the bearing member and a step or a groove arranged inside the cylinder body to cooperate with the snap spring. Alternatively, the limiting mechanism is an elastic hook-shaped part provided on the bearing part and a step or a groove provided on the inner side of the cylinder body to cooperate with the elastic hook-shaped part. Alternatively, the limiting mechanism is a flange provided on the carrier and a step or a groove provided on the inner side of the cylinder body to cooperate with the flange.

Further, a connection hole that can be connected with a wrench handle is provided at the first end of the cylinder body.

Furthermore, an adjusting member is provided at the first end of the cylinder body, and the adjusting member is fixedly connected with the bearing member, and can drive the bearing member to move toward the first end in the cylinder body, so that the bearing member is acted by the restoring force of the elastic member.

Further, convex strips and slide grooves are respectively arranged on the adjustment member and the inner wall of the cylinder body, so that the adjustment member can drive the cylinder body to rotate.

The present invention also provides another sleeve, which includes a cylinder body, a clamping part, a bearing part, an elastic part and an adjustment part; the cylinder body has a first end and a second end, and the first end is configured to be connected to a wrench handle , the second end is provided with at least two clamping pieces; the clamping piece is assembled on the carrier, and the clamping piece is movable in the radial direction relative to the carrier; Upward movement, the adjusting part is set at the first end of the barrel body, and the adjusting part is fixedly connected with the bearing part, which can drive the supporting part to move to the second end in the barrel body, and is acted by the restoring force of the elastic part; A first inclined surface is provided, and a second inclined surface is provided on the inner wall of the cylinder body. The first inclined surface cooperates with the second inclined surface, so that when the clamping member moves toward the second inclined surface along the axis of the cylinder body under the action of the restoring force of the elastic member, When one end moves, the reaction force of the second slope to the first slope makes the clamping member move radially toward the axis of the cylinder body.

The present invention also provides a socket wrench with one of the above-mentioned sockets.

The socket and the socket wrench provided by the invention not only can be used for parts with multiple specifications, but also have simple and reliable structure, convenient manufacture and low cost.

The idea, specific structure and technical effects of the present invention will be further described below in conjunction with the accompanying drawings, so as to fully understand the purpose, features and effects of the present invention.

Description of drawings

FIG. 1 is a schematic diagram of an embodiment 100 according to the present invention.

FIG. 2 is an exploded view of embodiment 100 .

FIG. 3 is a cross-sectional view of Embodiment 100. FIG.

FIG. 4 is a perspective view of the barrel in Embodiment 100. FIG.

FIG. 5 is a cross-sectional view of the embodiment 100 under different clamping diameters.

FIG. 6 is a cross-sectional view of an embodiment 200 according to the present invention.

FIG. 7 is a cross-sectional view of an embodiment 300 according to the present invention.

FIG. 8 is a cross-sectional view of an embodiment 400 according to the present invention.

Figure 9 is a schematic illustration of a jaw suitable for various embodiments of the invention.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

Referring to Figures 1-4, a sleeve 100 according to a specific embodiment of the present invention includes a cylinder body 2, one end (hereinafter referred to as the first end) can be connected to a wrench handle, and the other end (hereinafter referred to as the second end) is set There are at least two clamping parts for clamping nuts and other parts, in this embodiment, six claws 3 are arranged symmetrically around the inner wall of the cylinder body. The bearing part is the claw seat 5 . The claw 3 cooperates with the chute 22 arranged on the inner wall of the cylinder body 2 and can move in the chute 22 . The claw 3 is assembled in the assembly groove 51 of the claw seat 5 through the L-shaped sliding part 32. The claw 3 moves with the claw seat 5 in its axial and circumferential directions, but it can be independent of the claw seat 5 in its radial direction. sports. The claw seat 5 can move in the barrel body 2, but its movement to the first end of the barrel body 2 will compress the elastic member arranged in the barrel body, which is the spring 7 in this embodiment, thereby receiving the restoring force of the spring 7 Function; its movement to the second end of the cylinder body 2 will be limited by the limit mechanism, thereby keeping the claw seat 5 in the cylinder body 2 . In this embodiment, the limiting mechanism is a flange 52 provided on the claw seat 5 , and a step 24 provided on the inner wall of the cylinder body 2 in cooperation with the flange 52 . The spring 6 is arranged between the claw seat 5 and the snap ring 7 in the cylinder body 2 . The claw 3 is provided with an inclined surface 31, and the chute 22 is provided with an inclined surface 23 cooperating with the inclined surface 31. Therefore, when the claw seat 5 moves to the first end of the cylinder body 2, the claw 2 can be clamped by an external force. Under the force of the holding part, it moves radially away from the axis of the barrel body 2, and the clamping diameter becomes larger at this time; and when the claw seat 5 is under the restoring force of the spring 7, it drives the claw 3 to the barrel When the second end of the body 2 moves, under the reaction force of the inclined surface 23 of the barrel body 2 against the inclined surface 31 of the jaw 3, the jaw 3 moves radially toward the axis of the barrel body 2. At this time, the clamping diameter becomes smaller, Clamp parts such as nuts firmly. In this embodiment, an adjusting member 1 is further provided at the first end of the cylinder body 2. In this embodiment, the adjusting member 1 is fixedly connected with the claw seat 5 through a rivet 4, and can drive the claw seat 5 to move in the cylinder body 2. . When in use, pull up the adjusting part 1 toward the first end, and the clamping diameter becomes larger; release the adjusting part 1, and the clamping diameter becomes smaller, as shown in Figure 5, where the clamping diameter a<b<c <d. A connection hole 12 that can be connected with a wrench handle is also provided on the adjustment member 1 .

Referring to Fig. 6, a sleeve 200 according to another specific embodiment of the present invention includes a cylinder body 203, one end (hereinafter referred to as the first end) can be connected with a wrench handle, and the other end (hereinafter referred to as the second end) is provided with a At least two clamping parts for clamping parts such as nuts, in this embodiment, are six claws 201 arranged symmetrically around the inner wall of the cylinder body. The bearing part is the claw seat 202 . The claw seat 202 can move in the cylinder body 203, but its movement to the first end of the cylinder body 203 will compress the elastic member arranged in the cylinder body, in this embodiment, the spring 204, thereby receiving the restoring force of the spring 204 Function; its movement to the second end of the cylinder body 2 will be limited by the limit mechanism, thereby keeping the claw seat 202 in the cylinder body 203 . In this embodiment, the limiting mechanism is a snap spring 205 disposed in the receiving groove 206 of the claw seat 202 , and a step 207 matched with the snap spring 205 and disposed on the inner wall of the cylinder body 203 . The spring 204 is disposed in the cylinder body 203 between the claw seat 202 and the first end of the cylinder body 203 . The first end of the cylinder body 203 is also provided with a connecting hole 209 that can be matched with a wrench handle. The rest of the settings are the same as in Embodiment 100.

Referring to Fig. 7, a sleeve 300 according to another specific embodiment of the present invention includes a cylinder body 304, one end (hereinafter referred to as the first end) can be connected with a wrench handle, and the other end (hereinafter referred to as the second end) is provided with a At least two clamping parts for clamping nuts and other parts, in this embodiment, are six claws 301 arranged symmetrically around the inner wall of the cylinder body. The bearing part is the claw seat 302 . The claw seat 302 can move in the cylinder body 304, but its movement to the first end of the cylinder body 304 will compress the elastic member arranged in the cylinder body, in this embodiment, the spring 303, thereby receiving the restoring force of the spring 303 Function; its movement to the second end of the cylinder body 304 will be limited by the limit mechanism, thereby keeping the claw seat 202 in the cylinder body 203 . In this embodiment, the limiting mechanism is an elastic hook-shaped part 305 provided on the claw seat 302 , and a step 306 provided on the inner wall of the cylinder body 304 matched with the elastic hook-shaped part 305 . The spring 303 is disposed within the cylinder body 203 between the claw seat 302 and the first end of the cylinder body 304 . The first end of the cylinder body 203 is also provided with a connection hole 307 that can be matched with a wrench handle. All the other settings are the same as in Example 100

Referring to Fig. 8, a sleeve 400 according to another specific embodiment of the present invention includes a cylinder body 403, one end (hereinafter referred to as the first end) is provided with an adjustment member 404, and the other end (hereinafter referred to as the second end) is provided with a At least two clamping parts for clamping nuts and other parts, in this embodiment, are six claws 401 arranged symmetrically around the inner wall of the cylinder body. The bearing part is the claw seat 402 . The adjustment member 404 is fixedly connected with the claw seat 402 and can drive the claw seat 402 to move in the cylinder body 403 . The spring 405 is arranged between the outer end surface 406 of the first end of the cylinder body 403 and the adjustment member 404 . When the adjusting member 404 drives the claw seat 402 to move in the axial direction of the cylinder body 403 , it is respectively limited at the inner end surface 407 and the outer end surface 406 of the first end of the cylinder body 403 . When the adjustment piece 404 is pressed, driven by the adjustment piece 404, the claw seat 402 moves toward the second end of the cylinder body 403, and the claw 401 moves away in the radial direction under the external force such as the force of the clamped part. The cylinder body 403 moves in the direction of the axis, and the clamping diameter becomes larger at this time; end movement, under the reaction force of the slope 408 of the cylinder body 403 to the slope 409 of the claw 401, the claw 401 moves radially toward the axis of the cylinder body 403. At this time, the clamping diameter becomes smaller, and parts such as nuts are clamped. prison. The rest of the settings are the same as in Example 100.

The claws in the above embodiments can also be arranged in other forms, as shown in FIG. 9 .

The preferred specific embodiments of the present invention have been described in detail above. It should be understood that those skilled in the art can make many modifications and changes according to the concept of the present invention without creative efforts. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of the present invention through logical analysis, reasoning or limited experiments on the basis of the prior art shall be within the scope of protection defined by the claims.

Claims (10)

1. a kind of sleeve, which is characterized in that including stack shell, clamping piece, load-bearing part and elastic component；

The stack shell has a first end and a second end, and the first end is arranged to be connected with pinch bar, the second end Then it is provided at least two clamping pieces；

The clamping piece is assembled on the load-bearing part, and the clamping piece be radially relative to the load-bearing part can Mobile；

The load-bearing part can move on the axis direction of the stack shell, when the load-bearing part is to the first end of the stack shell When movement, the restoring force by the elastic component is acted on；

Be provided with the first inclined-plane on the clamping piece, be provided with the second inclined-plane on the inner wall of the stack shell, first inclined-plane with Second inclined-plane matches, so that working as the clamping piece under the action of restoring force of the elastic component along the axis of the stack shell On to when second end motion, second inclined-plane makes the clamping piece in radial direction the reaction force on first inclined-plane On to the stack shell axial-movement.

2. a kind of sleeve as described in claim 1, wherein further include position-limit mechanism, the position-limit mechanism makes the carrying Part is limited on the axis of the stack shell to the movement of the second end.

3. a kind of sleeve as claimed in claim 2, wherein the position-limit mechanism be the circlip being arranged on the load-bearing part and Step or slot on the inside of the stack shell with circlip cooperation are set.

4. a kind of sleeve as claimed in claim 2, wherein the position-limit mechanism be the flange being arranged on the load-bearing part and Step or slot on the inside of the stack shell with flange cooperation are set.

5. a kind of sleeve as claimed in claim 2, wherein the position-limit mechanism is that the elasticity being arranged on the load-bearing part hooks Shape portion and step or slot on the inside of the stack shell with the elastic hook portion cooperation are set.

6. a kind of sleeve as described in claim 1, wherein being provided in the first end of the stack shell can be connected with pinch bar Connecting hole.

7. a kind of sleeve as described in claim 1, wherein the first end of the stack shell is provided with regulating part, the adjusting Part is fixedly linked with the load-bearing part, can drive the load-bearing part in the stack shell to first end motion, makes described hold Holder is acted on by the restoring force of the elastic component.

8. a kind of sleeve as claimed in claim 7, wherein be respectively arranged on the regulating part and on the stack shell inner wall Raised line and sliding slot, so that the regulating part can drive the stack shell to rotate.

9. a kind of sleeve, which is characterized in that including stack shell, clamping piece, load-bearing part, elastic component and regulating part；

The stack shell has a first end and a second end, and the first end is arranged to be connected with pinch bar, the second end Then it is provided at least two clamping pieces；

The clamping piece is assembled on the load-bearing part, and the clamping piece be radially relative to the load-bearing part can Mobile；

The load-bearing part can move on the axis direction in the stack shell, and the regulating part is arranged on the first of the stack shell End, the regulating part are fixedly linked with the load-bearing part, and the load-bearing part can be driven to transport in the stack shell to the second end It is dynamic, and acted on by the restoring force of the elastic component；

Be provided with the first inclined-plane on the clamping piece, be provided with the second inclined-plane on the inner wall of the stack shell, first inclined-plane with Second inclined-plane matches, so that working as the clamping piece under the action of restoring force of the elastic component along the axis of the stack shell On to when first end motion, second inclined-plane makes the clamping piece in radial direction the reaction force on first inclined-plane On to the stack shell axial-movement.

10. a kind of box spanner, which is characterized in that the box spanner has as described in any one in claim 1-9 Sleeve.