CN215748874U

CN215748874U - Portable ratchet wrench

Info

Publication number: CN215748874U
Application number: CN202122096392.4U
Authority: CN
Inventors: 来建刚; 郝善炎
Original assignee: Hangzhou Yuzhan Tools Co ltd
Current assignee: Hangzhou Yuzhan Tools Co ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-02-08
Anticipated expiration: 2031-09-01

Abstract

The utility model discloses a portable ratchet wrench, which relates to the field of ratchet wrenches and comprises a wrench head and a wrench handle, wherein the wrench head is arranged on the wrench handle, a toothed plate is fixedly arranged on the wrench head, an installation chute is formed in the wrench handle, the toothed plate is slidably arranged in the installation chute, installation rotating grooves are formed in the inner walls of the two sides of the installation chute, connecting gears are rotatably arranged in the two installation rotating grooves, the connecting gears are meshed with the toothed plate, the inner walls of the two sides of the installation rotating grooves are fixedly provided with a same middle shaft sleeve, and the connecting gears are rotatably sleeved on the middle shaft sleeve. On the basis of convenient carrying, the connecting gear, the toothed plate and other structures are arranged, so that the wrench head can be connected and fixed with the wrench handle only by inserting the toothed plate into the mounting chute, meanwhile, the use comfort level of the wrench is greatly improved by the holding plate, operators do not need to worry about the condition of being damaged by screws, and the use comfort level of the wrench is improved.

Description

Portable ratchet wrench

Technical Field

The utility model relates to the technical field of ratchet wrenches, in particular to a portable ratchet wrench.

Background

The ratchet wrench is a manual screw tightening and loosening tool, and has various specifications such as single head, double head and the like.

The patent with publication number CN203818048U discloses a novel ratchet wrench, which has portable function, but in this patent, the connection between the handles is connected through the screw, this just leads to having a position that is difficult to grip on the handle, lead to the unable comfortable spanner of using of operating personnel, fix the handle through the screw simultaneously, can make the screw slide in the use of spanner, and then lead to the spanner unable dismantlement, lead to the spanner to lose its removable ratchet's function, there is great problem, therefore need a portable ratchet wrench to satisfy people's demand.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a portable ratchet wrench, which aims to solve the problems that an operator cannot comfortably use the wrench due to the fact that a position which is difficult to hold exists on a handle in the background technology, and meanwhile, the handle is fixed through a screw, so that the screw slips in the using process of the wrench, the wrench cannot be detached, and the wrench loses the function of replacing a ratchet device.

In order to achieve the purpose, the utility model provides the following technical scheme: a portable ratchet wrench comprises a wrench head and a wrench handle, wherein the wrench head is arranged on the wrench handle, a toothed plate is fixedly arranged on the wrench head, an installation chute is arranged on the wrench handle, the toothed plate is slidably arranged in the installation chute, installation rotating grooves are respectively arranged on the inner walls of the two sides of the installation chute, connecting gears are rotatably arranged in the two installation rotating grooves and are meshed with the toothed plate, the inner walls of the two sides of the installation rotating grooves are fixedly provided with a same middle shaft sleeve, the connecting gears are rotatably sleeved on the middle shaft sleeve, the wrench handle is symmetrically provided with two installation sliding holes, connecting sliding shafts are respectively slidably arranged in the two installation sliding holes, inner shafts are respectively and slidably sleeved in the two middle shaft sleeves, the middle shaft sleeve is uniformly provided with a plurality of connecting sliding holes, and sliding plates are slidably arranged and connected in the connecting sliding holes, the connecting sliding plate is fixedly arranged on the inner shaft, an annular fixing groove is formed in the inner wall of the connecting gear, the connecting sliding plate is slidably arranged in the annular fixing groove, and one end, far away from the connecting sliding plate, of each of the two connecting sliding shafts is fixedly provided with the same holding plate.

Preferably, a fixed chute is formed in the end, far away from the wrench head, of the wrench handle, two convex sliding shafts are symmetrically and fixedly mounted on the inner wall, close to the wrench head, of one side of the fixed chute, and the two convex sliding shafts are sleeved with the same fixed sliding block in a sliding mode.

Preferably, a fixed sliding hole is formed in the fixed sliding block, a fixed shaft is slidably mounted in the fixed sliding hole, a limit groove is formed in the fixed shaft, a limit transverse plate is slidably mounted in the limit groove, the limit transverse plate is fixedly mounted on the inner wall of the fixed sliding hole, and the fixed shaft is fixedly mounted on the holding plate.

Preferably, the convex sliding shaft is sleeved with an extension spring in a sliding manner, one end of the extension spring is in contact with the fixed sliding block, and the other end of the extension spring is in contact with the inner wall of the fixed sliding chute.

Preferably, two convex chutes are symmetrically formed in the fixed sliding block, and the two convex sliding shafts are respectively slidably mounted in the two convex chutes.

Preferably, the fixed shaft is provided with a positioning chute, the inner walls of two sides of the positioning chute are fixedly provided with the same positioning sliding shaft, and the positioning sliding shaft is sleeved with a reset spring in a sliding manner.

Preferably, a sliding through hole is formed in the trigger, the fixed shaft is slidably mounted in the sliding through hole, a positioning sliding block is slidably sleeved on the inner wall of the sliding through hole, and the positioning sliding block is slidably sleeved on the positioning sliding shaft.

The utility model has the beneficial effects that:

on the basis of convenient carrying, the connecting gear, the toothed plate and other structures are arranged, so that the wrench head can be connected and fixed with the wrench handle only by inserting the toothed plate into the mounting chute, meanwhile, the use comfort level of the wrench is greatly improved by the holding plate, operators do not need to worry about the condition of being damaged by screws, and the use comfort level of the wrench is improved.

According to the utility model, when the fixed shaft slides in the fixed sliding groove, the fixed shaft is in contact with the limiting transverse plate to push the limiting transverse plate to move, so that the fixed sliding block is driven to move, the fixed shaft can continuously slide inwards, and then when the fixed shaft slides to a proper position, the fixed sliding block is driven to reset under the action of the telescopic spring, so that the limiting transverse plate is driven to be clamped into the limiting groove, the fixing of the fixed shaft is completed, and the mounting stability of structures such as the holding plate is improved.

Drawings

FIG. 1 is a schematic perspective view of a portable ratchet wrench according to the present invention;

FIG. 2 is a schematic top sectional view of a wrench handle of a portable ratchet wrench according to the present invention;

FIG. 3 is a schematic view of a portable ratchet wrench connecting gear according to the present invention;

FIG. 4 is an exploded view of a connecting gear of a portable ratchet wrench according to the present invention;

FIG. 5 is a schematic sectional view of a portable ratchet wrench showing a cross-section of a wrench handle according to the present invention;

FIG. 6 is a schematic side view of a cross-sectional structure of a wrench handle of a portable ratchet wrench according to the present invention;

fig. 7 is a schematic structural view of a portion a in fig. 6 of a portable ratchet wrench according to the present invention.

In the figure: 1. a wrench head; 2. a trigger; 3. a toothed plate; 4. installing a chute; 5. installing a rotary groove; 6. a middle shaft sleeve; 7. a connecting gear; 8. installing a sliding hole; 9. connecting a sliding shaft; 10. an inner shaft; 11. a connecting slide hole; 12. connecting a sliding plate; 13. an annular fixing groove; 14. holding the plate; 15. a slide through hole; 16. a fixed shaft; 17. a limiting groove; 18. fixing the sliding block; 19. a fixed slide hole; 20. a transverse limiting plate; 21. positioning the sliding block; 22. positioning the chute; 23. positioning a sliding shaft; 24. a return spring; 25. a convex-shaped chute; 26. a convex sliding shaft; 27. a tension spring; 28. and fixing the sliding chute.

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.

Referring to fig. 1-7, a portable ratchet wrench comprises a wrench head 1 and a wrench handle 2, the wrench head 1 is mounted on the wrench handle 2, a toothed plate 3 is fixedly mounted on the wrench head 1, a mounting chute 4 is formed on the wrench handle 2, the toothed plate 3 is slidably mounted in the mounting chute 4, mounting chutes 5 are formed on inner walls of two sides of the mounting chute 4, connecting gears 7 are rotatably mounted in the two mounting chutes 5, the connecting gears 7 are engaged with the toothed plate 3, a same middle shaft sleeve 6 is fixedly mounted on inner walls of two sides of the mounting chute 5, the connecting gears 7 are rotatably sleeved on the middle shaft sleeve 6, two mounting slide holes 8 are symmetrically formed on the wrench handle 2, connecting slide shafts 9 are slidably mounted in the two mounting slide holes 8, inner shafts 10 are fixedly mounted on the two connecting slide shafts 9, the two inner shafts 10 are slidably sleeved in the two middle shaft sleeves 6 respectively, a plurality of connecting slide holes 11 are uniformly formed on the middle shaft sleeve 6, a connecting sliding plate 12 is slidably mounted in a connecting sliding hole 11, the connecting sliding plate 12 is fixedly mounted on an inner shaft 10, an annular fixing groove 13 is formed in the inner wall of the connecting gear 7, the connecting sliding plate 12 is slidably mounted in the annular fixing groove 13, one end of each of two connecting sliding shafts 9, which is far away from the connecting sliding plate 12, is fixedly mounted with a same holding plate 14, after the toothed plate 3 is inserted into the mounting sliding groove 4, an operator presses the holding plate 14 to drive the connecting sliding shafts 9 in the mounting sliding holes 8 to slide, so that the connecting sliding shafts 9 drive the inner shaft 10 to slide towards the middle shaft sleeve 6, the connecting sliding plates 12 slide in the connecting sliding holes 11 and further slide into the annular fixing groove 13, the connecting gear 7 cannot rotate, the connecting gear 7 and the toothed plate 3 are meshed with each other, the connecting gear 7 is further fixed in the mounting sliding groove 4, the fixing between the wrench head 1 and the wrench handle 2 is completed, when the holding plate 14 is pressed and fixed, the fixed shaft 16 in the sliding through hole 15 moves, so that the fixed shaft 16 slides in the fixed sliding hole 19, and the limit transverse plate 20 is engaged with the limit groove 17, thereby fixing the fixed shaft 16 and the fixed sliding block 18.

In the utility model, a fixed chute 28 is arranged at one end of the trigger 2 far away from the trigger 1, two convex sliding shafts 26 are symmetrically and fixedly arranged on the inner wall of one side of the fixed chute 28 near the trigger 1, the two convex sliding shafts 26 are sleeved with the same fixed sliding block 18 in a sliding manner, and the fixed chute 28 ensures the sliding stability of the fixed sliding block 18.

In the utility model, a fixed sliding hole 19 is formed on a fixed sliding block 18, a fixed shaft 16 is arranged in the fixed sliding hole 19 in a sliding manner, a limit groove 17 is formed on the fixed shaft 16, a limit transverse plate 20 is arranged in the limit groove 17 in a sliding manner, the limit transverse plate 20 is fixedly arranged on the inner wall of the fixed sliding hole 19, the fixed shaft 16 is fixedly arranged on a holding plate 14, and the limit transverse plate 20 is clamped with the limit groove 17 to finish the fixation between the fixed shaft 16 and the fixed sliding block 18.

In the utility model, the convex slide shaft 26 is sleeved with the extension spring 27 in a sliding manner, one end of the extension spring 27 is contacted with the fixed slide block 18, the other end of the extension spring 27 is contacted with the inner wall of the fixed slide groove 28, the fixed slide block 18 is driven to reset under the action of the extension spring 27, and the limit transverse plate 20 is driven to be clamped into the limit groove 17, so that the fixing of the fixed shaft 16 is completed.

In the utility model, two convex sliding grooves 25 are symmetrically arranged on the fixed sliding block 18, two convex sliding shafts 26 are respectively and slidably arranged in the two convex sliding grooves 25, and the interaction between the convex sliding grooves 25 and the convex sliding shafts 26 ensures the installation stability of the fixed sliding block 18.

In the utility model, the fixed shaft 16 is provided with the positioning chute 22, the inner walls of two sides of the positioning chute 22 are fixedly provided with the same positioning sliding shaft 23, the positioning sliding shaft 23 is sleeved with the reset spring 24 in a sliding manner, one end of the reset spring 24 is fixedly connected to the inner wall of the positioning chute 22, and the other end of the reset spring 24 is fixedly connected to the positioning sliding block 21, so that the fixed shaft 16 can be reset in an upward sliding manner under the action of the reset spring 24.

In the utility model, the trigger 2 is provided with the sliding through hole 15, the fixed shaft 16 is slidably arranged in the sliding through hole 15, the inner wall of the sliding through hole 15 is slidably sleeved with the positioning slide block 21, the positioning slide block 21 is slidably sleeved on the positioning slide shaft 23, and the positioning slide groove 22 and the positioning slide block 21 interact to ensure the installation stability of the fixed shaft 16.

The working principle of the utility model is as follows:

after the toothed plate 3 is inserted into the mounting chute 4, an operator presses the holding plate 14 to drive the connecting sliding shaft 9 in the mounting sliding hole 8 to slide, so that the connecting sliding shaft 9 drives the inner shaft 10 to slide towards the middle shaft sleeve 6, the connecting sliding plate 12 slides in the connecting sliding hole 11 and further slides into the annular fixing groove 13, the connecting gear 7 cannot rotate, the connecting gear 7 is meshed with the toothed plate 3 at the same time, the connecting gear 7 is fixed in the mounting chute 4, the fixing between the wrench head 1 and the wrench handle 2 is completed, when the holding plate 14 is pressed and fixed, the fixing shaft 16 in the sliding through hole 15 moves, so that the fixing shaft 16 slides in the fixing sliding hole 19, the limiting transverse plate 20 is clamped with the limiting groove 17, the fixing between the fixing shaft 16 and the fixing slider 18 is completed, the holding plate 14 is fixed, wherein when the fixing shaft 16 slides in the fixing chute 28, the fixing shaft 16 is in contact with the limiting transverse plate 20 to push the limiting transverse plate 20 to move, so that the fixing sliding block 18 is driven to move, the fixing shaft 16 can continuously slide inwards, and then when the fixing shaft slides to a proper position, the fixing sliding block 18 is driven to reset under the action of the telescopic spring 27, so that the limiting transverse plate 20 is driven to be clamped into the limiting groove 17, and the fixing of the fixing shaft 16 is completed, wherein the installation stability of the fixing sliding block 18 is guaranteed through the interaction of the convex sliding grooves 25 and the convex sliding shafts 26, and the installation stability of the fixing shaft 16 is guaranteed through the interaction of the positioning sliding grooves 22 and the positioning sliding blocks 21.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a ratchet spanner convenient to carry, includes spanner (1) and trigger (2), install on trigger (2) spanner (1), its characterized in that: the wrench head (1) is fixedly provided with a toothed plate (3), the wrench handle (2) is provided with an installation chute (4), the toothed plate (3) is slidably installed in the installation chute (4), the inner walls of two sides of the installation chute (4) are respectively provided with an installation rotary groove (5), the two installation rotary grooves (5) are respectively and rotatably provided with a connecting gear (7), the connecting gear (7) is meshed with the toothed plate (3), the inner walls of two sides of the installation rotary grooves (5) are respectively and fixedly provided with a same middle shaft sleeve (6), the connecting gear (7) is rotatably sleeved on the middle shaft sleeve (6), the wrench handle (2) is symmetrically provided with two installation sliding holes (8), the two installation sliding holes (8) are respectively and slidably provided with a connecting sliding shaft (9), the two connecting sliding shafts (9) are respectively and fixedly provided with inner shafts (10), and the two inner shafts (10) are respectively and slidably sleeved in the two middle shaft sleeves (6), the connecting device is characterized in that a plurality of connecting sliding holes (11) are uniformly formed in the middle shaft sleeve (6), a connecting sliding plate (12) is slidably mounted in the connecting sliding holes (11), the connecting sliding plate (12) is fixedly mounted on the inner shaft (10), an annular fixing groove (13) is formed in the inner wall of the connecting gear (7), the connecting sliding plate (12) is slidably mounted in the annular fixing groove (13), and one end, far away from the connecting sliding plate (12), of each of the two connecting sliding shafts (9) is fixedly mounted with the same holding plate (14).

2. The portable ratchet wrench of claim 1, wherein: the wrench is characterized in that one end, far away from the wrench head (1), of the wrench handle (2) is provided with a fixed chute (28), two convex sliding shafts (26) are symmetrically and fixedly installed on the inner wall, close to the wrench head (1), of one side of the fixed chute (28), and the two convex sliding shafts (26) are sleeved with the same fixed sliding block (18) in a sliding mode.

3. A portable ratchet wrench as claimed in claim 2, wherein: the fixed sliding block (18) is provided with a fixed sliding hole (19), the fixed sliding hole (19) is internally provided with a fixed shaft (16) in a sliding manner, the fixed shaft (16) is provided with a limit groove (17), the limit groove (17) is internally provided with a limit transverse plate (20) in a sliding manner, the limit transverse plate (20) is fixedly arranged on the inner wall of the fixed sliding hole (19), and the fixed shaft (16) is fixedly arranged on the holding plate (14).

4. A portable ratchet wrench as claimed in claim 2, wherein: the convex sliding shaft (26) is sleeved with a telescopic spring (27) in a sliding mode, one end of the telescopic spring (27) is in contact with the fixed sliding block (18), and the other end of the telescopic spring (27) is in contact with the inner wall of the fixed sliding chute (28).

5. A portable ratchet wrench as claimed in claim 2, wherein: two convex sliding grooves (25) are symmetrically formed in the fixed sliding block (18), and two convex sliding shafts (26) are respectively slidably mounted in the two convex sliding grooves (25).

6. A portable ratchet wrench as claimed in claim 3, wherein: the positioning sliding groove (22) is formed in the fixing shaft (16), the same positioning sliding shaft (23) is fixedly mounted on the inner walls of the two sides of the positioning sliding groove (22), and the positioning sliding shaft (23) is sleeved with a reset spring (24) in a sliding mode.

7. The portable ratchet wrench of claim 1, wherein: the wrench handle is characterized in that a sliding through hole (15) is formed in the wrench handle (2), the fixed shaft (16) is slidably mounted in the sliding through hole (15), the inner wall of the sliding through hole (15) is slidably sleeved with the positioning sliding block (21), and the positioning sliding block (21) is slidably sleeved on the positioning sliding shaft (23).