TWM520965U - Ratchet wrench with direction switching - Google Patents

Description

Reversing ratchet wrench

This creation is about a ratchet wrench, especially a reversing ratchet wrench.

According to the present invention, the main structure of the commercially available ratchet wrench includes a ratchet, a ratchet block, a reversing member and the like, wherein the reversing member performs a reversing operation by means of a compression spring and a top pin pushing the ratchet block, and the ratchet wrench is made. Has the effect of reversing.

However, the above-mentioned ratchet wrench usually uses a large number of parts, which makes assembly time-consuming, resulting in labor waste and cost increase. At the same time, due to too many parts, the parts are likely to interfere with each other, resulting in unsmooth reversing, resulting in use. Inconvenience.

Therefore, how to simplify the structural problems of the ratchet wrench is the subject of the creative solution.

In order to solve the above problems, the present invention discloses a reversing ratchet wrench, wherein the bottom edge of the ratchet block is received by the pushing member, so that the ratchet block maintains smoothness in the reversing operation, and the structure is simple, and the components are not There will be interference.

In order to achieve the above object, the present invention provides a reversing ratchet wrench, comprising: a body having a handle and a head connected to one end of the handle, the head having a first face and a second oppositely disposed a first receiving groove and a second receiving groove adjacent to the handle are disposed between the first surface and the second surface, and a third receiving groove is disposed between the first receiving groove and the second receiving groove; The device is rotatably disposed in the first pocket, and the periphery of one end of the ratchet member is provided with a plurality of ratchet teeth, and the other end has a working portion; a ratchet block is movably disposed in the third pocket, the ratchet block The front side has a tooth portion for engaging with the ratchet tooth; a reversing member is rotatably disposed in the second cavity, the reversing member has a receiving portion, and the receiving portion The bottom side is connected with a moving groove, and the moving groove is open toward the ratchet block; a pushing member is disposed between the receiving portion of the reversing member and the ratchet block, and the pushing member has a pushing portion and a receiving portion. And a connecting portion vertically connected between the pushing portion and the receiving portion, the pushing portion and the receiving portion are extended from the connecting portion in opposite directions The pushing portion is for pushing the rear side of the ratchet block, and the receiving portion is for receiving the rear bottom edge of the ratchet block, wherein when the reversing member performs the reversing operation, the pushing member is used to drive the ratchet block to the third capacity The inside of the groove moves, and the receiving portion can be displaced in the moving groove; and a cover is fixed on the second surface, and the cover has a through hole for the working portion to pass through.

In the present creation, one end of the pushing portion has a top surface, and the back side of the ratchet block has an arc groove for the top surface to abut.

In this creation, a curved arc is provided on the periphery of the top surface.

In the present creation, the pushing portion has an elastic body different from one end of the top surface and the reversing member.

In the present invention, the ejector portion is recessed toward the reversing member to provide a spring groove for receiving one end of the elastic body.

In the present creation, the reversing member is provided with a positioning groove toward the ratchet block for receiving the other end of the elastic body.

In the present invention, the second receiving groove is connected to the fourth receiving groove toward the handle for providing a spring, and the spring abuts against the back surface of the reversing member.

In the present creation, the spring and the pushing portion are on the same axis.

In the present invention, an annular elastic piece is disposed between the ratchet member and the cover, and the annular elastic piece is sleeved on the ratchet member.

In this creation, the receiving part is rectangular.

Thereby, the receiving part of the creation can take over the bottom edge of the rear side of the ratchet block, providing the positioning effect of the ratchet block, maintaining a stable and smooth reversing action, and being less prone to offset.

At the same time, the overall structure is simple, the assembly cost is low, and the components are less prone to interference, so as to maintain the smoothness of the commutation.

For the convenience of the description, the central idea expressed in the above-mentioned creation content column is expressed by a specific embodiment. The various items in the embodiments are set forth in proportion to the description and not in the

Referring to FIG. 1 to FIG. 3 , the present invention is a reversing ratchet wrench including a body 10 , a ratchet member 20 , a ratchet block 30 , a reversing member 40 , and a pushing member 50 . A cover 60.

The body 10 has a handle portion 11 and a head portion 12 connected to one end of the handle portion 11. The head portion 12 has a first surface 121 and an oppositely disposed second surface 122. The first surface 121 and the second surface 122 A first receiving groove 13 and a second receiving groove 14 adjacent to the shank 11 are disposed between the first receiving groove 13 and the second receiving groove 14 , and a second receiving groove 15 is disposed between the first receiving groove 13 and the second receiving groove 14 , and the second receiving groove 14 is disposed between the first receiving groove 13 and the second receiving groove 14 . A fourth receptacle 16 is connected to the handle 11 for providing a spring 17. The inner diameter of the first pocket 13 is larger than the third pocket 15, the inner diameter of the third pocket 15 is larger than the second pocket 14, and one end of the third pocket 15 is open on the second surface 122, and the other end is first. Face 121 is closed. In addition, the second surface 122 is recessed with a coupling groove 18, and the coupling groove 18 covers the first receiving slot 13, the second receiving slot 14 and the third receiving slot 15 for locking and fixing the cover 60.

The ratchet member 20 is rotatably disposed on the first pocket 13 and is rotatable relative to the head 12 along the axis of the first pocket 13. The ratchet member 20 has a plurality of ratchet teeth 21 at one end of the ring member and a head-shaped working portion 22 for engaging a sleeve.

The ratchet block 30 is movably disposed in the third pocket 15 . The ratchet block 30 has a front side and a rear side, and the front side has a tooth portion 31 for engaging the ratchet teeth 21 . The rear side of the ratchet block 30 has an arc groove 32.

The reversing member 40 is rotatably disposed on the second receiving slot 14 . The top side of the reversing member 40 has an operating portion 41 exposed on the outer side of the second receiving slot 14 , and the bottom side of the reversing member 40 has a lateral portion 42 . The portion 41 and the lateral portion 42 are connected by a body portion 43. The front portion of the body portion 43 of the reversing member 40 has a receiving portion 44. The lateral portion 42 has a moving groove 421 which is open toward the ratchet block 30. In addition, the reversing member 40 is provided with a positioning groove 431 at the body portion 43 toward the ratchet block 30 and the receiving portion 44. The back of the body portion 43 of the reversing member 40 is abutted by the spring 17 to position the reversing position.

The pushing member 50 is disposed between the receiving portion 44 of the diverting member 40 and the ratchet block 30. The pushing member 50 has a pushing portion 51, a rectangular receiving portion 52, and a connecting portion 53 vertically connected between the pushing portion 51 and the receiving portion 52. The pushing portion 51 and the receiving portion 52 are self-connecting portions 53. Extending in the opposite direction, the pushing portion 51 is used to push the arc groove 32 of the ratchet block 30, the receiving portion 52 receives the rear bottom edge of the ratchet block 30, and when the reversing member 40 is operated in the reversing operation, the pushing member 50 The roller block 30 is driven to move inside the third pocket 15 , and the receiving portion 52 can be displaced in the moving slot 421 .

The ejector portion 51 has a cylindrical shape, and has a top surface 511 at one end thereof. The circumference of the top surface 511 is provided with a guide arc 512 so that the pushing member 50 contacts the arc by the arc 512 when reversing. At both sides of the groove 32, the ratchet block 30 is caused to engage the ratchet member 20 for one-way rotation. In addition, the pushing portion 51 is different from one end of the top surface 511 and is recessed toward the reversing member 40 to provide a spring groove 513 for receiving one end of the elastic body 54 and the other end of the elastic body 54 for receiving the positioning groove 431. At the office. The urging portion 51 is located on the same axis as the spring 17 described above, so that the reversing member 40 is normally pushed by the spring 17, and the urging member 50 can be pushed against the ratchet block 30 to maintain a better thrust relationship.

The cover 60 has a through hole 61 for the cover portion 60 to be fixed to the second surface 122 for the working portion 22 of the ratchet member 20 to pass through. An annular elastic piece 70 is disposed between the cover 60 and the ratchet member 20, and the annular elastic piece 70 is sleeved on the rocking member 20.

Please refer to Figure 4, which is a longitudinal sectional view of the creative reversing ratchet wrench. The display pusher 50 is located between the reversing member 40 and the ratchet block 30, and the pusher member 50 is held by the elastic body 54 so that the top surface 511 of the pushing portion 51 and the connecting portion 53 can abut against the ratchet The rear side of the block 30, and the receiving portion 52 is received by the rear bottom edge of the ratchet block 30, provides the positioning effect of the ratchet block 30, maintains a stable and smooth reversing action, and is less prone to offset.

Please refer to FIG. 5 , which is a schematic diagram of the operation of the reversing ratchet wrench of the present invention. The receiving portion 52 of the pushing member 50 is received by the ratchet block 30 to make the ratchet block 30 move in the lateral direction. The ratchet block 30 is received to prevent the ratchet block 30 from moving in a direction different from the direction of the reversing member 40, thereby maintaining a stable and smooth reversing action.

Please refer to FIG. 6 , which is a transverse sectional view of the creative reversing ratchet wrench, showing that the reversing member 40 is located at the right side, and pushes the pushing member 50 toward the ratchet block 30 through the elastic body 54 to make the pushing member. The pushing portion 51 of the 50 is held by the arc groove 32 of the ratchet block 30 by the arc 512 so that the right portion of the tooth portion 31 of the ratchet block 30 is engaged with the ratchet 21 of the ratchet member 20, so that the reversing ratchet The wrench is driven in a counterclockwise direction.

Although the present invention has been described in terms of a preferred embodiment, it is obvious to those skilled in the art that various changes can be made without departing from the spirit and scope of the invention. The above embodiments are merely illustrative of the present invention and are not intended to limit the scope of the present invention. Any modification or change that is not in violation of the spirit of this creation is the scope of patent application for this creation.

10‧‧‧ Ontology
12‧‧‧ head
122‧‧‧ second side
14‧‧‧Second tank
16‧‧‧fourth slot
18‧‧‧ Combination slot
21‧‧‧ ratchet
30‧‧‧ ratchet block
32‧‧‧ arc slot
41‧‧‧Operation Department
421‧‧‧ moving trough
44‧‧‧ 容 部
50‧‧‧Pushing pieces
511‧‧‧ top surface
513‧‧‧Spring slot
53‧‧‧Connecting Department
60‧‧‧ cover
70‧‧‧ ring shrapnel
11‧‧‧ handle
121‧‧‧ first side
13‧‧‧First pocket
15‧‧‧ third cavity
17‧‧‧ Spring
20‧‧‧thorn pieces
22‧‧‧Working Department
31‧‧‧ teeth
40‧‧‧Reversing parts
42‧‧‧ transverse
43‧‧‧ Body
431‧‧‧ positioning slot
51‧‧‧Pushing Department
512‧‧‧Arc
52‧‧‧Acceptance Department
54‧‧‧ Elastomers
61‧‧‧through hole

[Fig. 1] is a schematic view of the appearance of the reversing ratchet wrench of the present invention. [Fig. 2] is an exploded view of the reversing ratchet wrench of the present invention. [Fig. 3] is another exploded perspective view of the reversing ratchet wrench of the present invention. [Fig. 4] is a longitudinal sectional view of the reversing ratchet wrench of the present invention. [Fig. 5] is a schematic view of the action of the reversing ratchet wrench of the present invention. [Fig. 6] is a transverse sectional view of the reversing ratchet wrench of the present invention.

10‧‧‧ Ontology

11‧‧‧ handle

12‧‧‧ head

121‧‧‧ first side

122‧‧‧ second side

13‧‧‧First pocket

14‧‧‧Second tank

17‧‧‧ Spring

20‧‧‧thorn pieces

21‧‧‧ ratchet

22‧‧‧Working Department

30‧‧‧ ratchet block

31‧‧‧ teeth

32‧‧‧ arc slot

40‧‧‧Reversing parts

41‧‧‧Operation Department

42‧‧‧ transverse

421‧‧‧ moving trough

43‧‧‧ Body

44‧‧‧ 容 部

431‧‧‧ positioning slot

50‧‧‧Pushing pieces

51‧‧‧Pushing Department

511‧‧‧ top surface

512‧‧‧Arc

513‧‧‧Spring slot

52‧‧‧Acceptance Department

53‧‧‧Connecting Department

54‧‧‧ Elastomers

60‧‧‧ cover

61‧‧‧through hole

70‧‧‧ ring shrapnel

Claims (10)

A reversing ratchet wrench includes: a body having a handle and a head coupled to one end of the handle, the head having a first face and an oppositely disposed second face, the first face a first receiving groove and a second receiving groove adjacent to the handle are disposed between the second receiving groove and the second receiving groove; a third receiving groove is disposed between the first receiving groove and the second receiving groove; Rotatingly disposed on the first receiving slot, the ratchet member has a plurality of ratchet teeth on one end of the ring member, and a working portion at the other end; a ratchet block is movably disposed in the third receiving slot. The ratchet block has a front side and a rear side, the front side has a tooth portion for engaging the ratchet teeth; a reversing member is rotatably disposed on the second receiving groove, the reversing member has an accommodation a bottom portion of the accommodating portion is connected to a moving groove, the moving groove is open toward the ratchet block; a pushing member is disposed between the receiving portion of the reversing member and the ratchet block, the top portion The pushing member has a pushing portion, a receiving portion and a connecting portion vertically connected between the pushing portion and the receiving portion, the pushing portion and the pushing portion The connecting portion extends from the connecting portion in an opposite direction, the pushing portion is for pushing the rear side of the ratchet block, and the receiving portion receives the rear bottom edge of the ratchet block, wherein when the reversing member performs the reversing operation The pushing member is configured to drive the ratchet block to move in the third receiving groove, and the receiving portion can be displaced in the moving groove; and a cover is fixed on the second surface, The cover has a through hole for the working portion to pass through. The reversing ratchet wrench of claim 1, wherein the pushing portion has a top surface at one end, and the arcuate block has an arc groove on the rear side for the top surface to abut. The reversing ratchet wrench of claim 2, wherein the top surface of the top surface is provided with a guiding arc. The reversing ratchet wrench of claim 2, wherein the ejector portion has an elastic body between one end of the top surface and the reversing member. The reversing ratchet wrench of claim 4, wherein the ejector portion is recessed toward the reversing member with a spring groove for receiving one end of the elastic body. The reversing ratchet wrench of claim 5, wherein the reversing member is provided with a positioning groove toward the ratchet block for receiving the other end of the elastic body. The reversing ratchet wrench of claim 1, wherein the second receiving groove communicates with the fourth receiving groove toward the shank for providing a spring that abuts against the back surface of the reversing member. The reversing ratchet wrench of claim 7, wherein the spring is on the same axis as the ejector. The reversing ratchet wrench of claim 1, wherein an annular elastic piece is disposed between the ratchet member and the cover, and the annular elastic piece is sleeved on the ratchet member. The reversing ratchet wrench of claim 1, wherein the receiving portion is substantially rectangular.