High-stability double-end ratchet wrench

Abstract

The utility model discloses a high-stability double-end ratchet wrench and belongs to the technical field of manual tools, the high-stability double-end ratchet wrench comprises a head shell, a ratchet wheel, ratchets, a rotating rod and teeth, one side of the head shell is fixedly connected with a trunk, a sliding groove is formed in the trunk, and a plurality of limiting holes are formed in the inner bottom wall of the sliding groove; a sliding groove is formed in the main body, a sliding strip is slidably connected into the sliding groove, the outer surface of the main body is slidably sleeved with an adjusting shell, the sliding strip is fixedly mounted on the inner wall of the adjusting shell, a mounting hole is formed in one side of the outer surface of the sliding strip, and a limiting unit is arranged in the mounting hole. According to the ratchet wrench, the sliding groove and the sliding strip are arranged, so that the shell can be adjusted to slide on the outer surface of the main body, the exposed length of the main body is controlled, the shell and the main body are fixed through the limiting unit and the limiting hole, and therefore the overall length of the ratchet wrench is adjusted to adapt to different working environments; the use is flexible and convenient.

Description

Technical Field

[0001] The present application relates to the technical field of hand tools, and in particular to a high-stability double-ended ratchet wrench. Background Art

[0002] The ratchet wrench is a manual screw tightening tool, a single-head, double-head, multi-specification movable handle ratchet wrench, which is composed of a main plum blossom sleeve and a slave plum blossom sleeve of different specifications and sizes connected by the engagement of the female key and the male key of the hinge key. Since a plum blossom sleeve has two specifications of plum blossom through holes, it can be used to tighten or loosen screws of two specifications, expanding the scope of use, saving raw materials and labor costs, and the movable handle can conveniently adjust the use angle of the wrench.

[0003] In the patent document with the published announcement number CN218194888U, a reliable and stable ratchet wrench is provided. The utility model can buffer the ratchet during operation by using a buffer spring 2 and an abutment column, greatly reducing the wear between the ratchet and the teeth during operation, thereby solving the problem that the ratchet wrench is easily unstable after long-term use; however, the overall length of the ratchet wrench in the above-mentioned patent document is fixed and its length cannot be adjusted, which makes it inflexible to use in some locations with small and restricted assembly space. Utility Model Content

[0004] In view of the shortcomings of the prior art, the present application provides a high-stability double-ended ratchet wrench, which overcomes the shortcomings of the prior art and aims to solve the problem that the overall length of the ratchet wrench is fixed and its length cannot be adjusted, making it inflexible to use in some locations with small and restricted assembly space.

[0005] To achieve the above-mentioned objectives, the present application provides the following technical solutions: a high-stability double-headed ratchet wrench, comprising a head shell, a ratchet, ratchet teeth, a rotating rod and teeth, wherein one side of the head shell is fixedly connected to a main body, a sliding groove is provided inside the main body, a plurality of limiting holes are provided on the inner bottom wall of the sliding groove, a sliding bar is slidably connected to the inside of the sliding groove, an adjusting shell is slidably sleeved on the outer surface of the main body, the sliding bar is fixedly installed on the inner wall of the adjusting shell, a mounting hole is provided on one side of the outer surface of the sliding bar, a limiting unit is provided inside the mounting hole, and the adjusting shell is fixedly connected to the main body via the limiting unit.

[0006] By adopting the above technical solution, the sliding groove and the sliding bar can facilitate the sliding of the adjustment shell on the outer surface of the trunk to control the exposed length of the trunk. The limiting unit and the limiting hole can be used to fix the adjustment shell and the trunk, so that the overall length of the ratchet wrench can be adjusted to adapt to different working environments. It is flexible and convenient to use.

[0007] As a preferred technical solution of the present application, the limit unit includes a connecting rod, one end of the connecting rod is fixedly installed with a limit hole, the other end of the connecting rod slides through the adjustment shell and extends to the outside and is fixedly connected with a positioning block, and a return spring is sleeved on the outer surface of the connecting rod near the limit rod, and the two ends of the return spring are respectively fixedly connected to the limit rod and the mounting hole.

[0008] By adopting the above technical solution, the position of the limiting hole is adjusted by pulling the positioning block and utilizing the elastic force of the return spring.

[0009] As a preferred technical solution of the present application, a plurality of the limiting holes are evenly distributed in a linear array on the inner bottom wall of the sliding groove, and the limiting rods are adapted to the limiting holes.

[0010] By adopting the above technical solution, when the overall length of the ratchet wrench needs to be adjusted, the connecting rod is driven upward by pulling the positioning block, so that the limit rod is disengaged from the inside of the limit hole. At this time, the main trunk can be pulled to adjust the combined length of the main trunk and the adjustment shell. After the length adjustment is completed, the positioning block is released. Under the elastic force of the reset spring, the limit rod moves downward and is re-inserted into the inside of the limit hole, fixing the adjustment shell and the main trunk together.

[0011] As a preferred technical solution of the present application, the interior of the trunk is symmetrically provided with limiting grooves on both sides of the sliding groove, and limiting blocks are symmetrically connected on both sides of the sliding bar, and the limiting blocks are slidably connected inside the limiting grooves.

[0012] By adopting the above technical solution, the adjustment shell is prevented from being separated from the main trunk during the sliding process.

[0013] As a preferred technical solution of the present application, an empty groove is opened inside the head shell on one side of the tooth, a buffer spring is arranged inside the empty groove, one end of the buffer spring is fixedly connected to an abutment column, and the abutment column abuts against the tooth.

[0014] By adopting the above technical solution, the ratchet can be buffered during operation through the coordinated use of the buffer spring and the abutment column, which greatly reduces the wear between the ratchet and the teeth during operation and improves the stability of the device during use.

[0015] As a preferred technical solution of the present application, a mounting seat is provided inside the head shell on both sides of the teeth, a cover body is provided on one side of the head shell, the cover body is threadedly connected to the mounting bolt, one end of the mounting bolt is threadedly connected to the inside of the mounting seat, and the mounting bolt is adapted to the mounting seat.

[0016] By adopting the above technical solution, it is convenient to assemble the cover body and the head shell together.

[0017] As a preferred technical solution of the present application, the outer surface of the adjustment housing is wrapped with a rubber sleeve near the rear end, and the outer surface of the rubber sleeve is provided with anti-slip grooves.

[0018] By adopting the above technical solution, the comfort of workers when using the ratchet wrench is improved, and the hands will not slip.

[0019] As a preferred technical solution of the present application, a second wrench head is fixedly mounted on the rear end of the adjustment housing.

[0020] By adopting the above technical solution, the practicability of the device is improved.

[0021] Beneficial effects of this application:

[0022] In the utility model, the sliding groove and the sliding bar are provided to facilitate the sliding of the adjustment shell on the outer surface of the trunk, so as to control the exposed length of the trunk. The limiting unit and the limiting hole are used to fix the adjustment shell and the trunk, so that the overall length of the ratchet wrench can be adjusted to adapt to different working environments. The use is flexible and convenient. The ratchet can be buffered during operation by the coordinated use of the buffer spring and the abutment column, which greatly reduces the wear between the ratchet and the teeth during operation and improves the stability of the device during use.

[0023] With reference to the following description and drawings, specific embodiments of the present invention are disclosed in detail, indicating the manner in which the principles of the present invention can be adopted. It should be understood that the embodiments of the present invention are not limited in scope thereby. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the front split structure of this application;

[0025] Figure 2 A schematic diagram of the internal structure of the main body of this application;

[0026] Figure 3 This is a schematic diagram of the internal structure of the adjustment housing of the present application;

[0027] Figure 4 This is a schematic diagram of the partial structure of the present application.

[0028] In the figure: 1. head shell; 2. cover body; 3. trunk; 4. adjustment shell; 5. ratchet; 6. ratchet; 7. rotating rod; 8. teeth; 9. empty slot; 10. buffer spring; 11. abutment column; 12. mounting seat; 13. mounting bolt; 14. sliding slot; 15. limit slot; 16. limit hole; 17. sliding bar; 18. limit unit; 181. connecting rod; 182. reset spring; 183. limit rod; 184. positioning block; 19. limit block; 20. mounting hole; 21. second wrench head; 22. rubber sleeve; 23. anti-slip pattern. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present application.

[0030] Reference Figure 1-4 , a high-stability double-head ratchet wrench comprises a head shell 1, a ratchet 5, a ratchet tooth 6, a rotating rod 7 and a tooth 8. A main body 3 is fixedly connected to one side of the head shell 1, a sliding groove 14 is provided inside the main body 3, and a plurality of limiting holes 16 are provided on the inner bottom wall of the sliding groove 14. A sliding bar 17 is slidably connected to the sliding groove 14. An adjusting shell 4 is slidably sleeved on the outer surface of the main body 3. The sliding bar 17 is fixedly mounted on the inner wall of the adjusting shell 4. A mounting hole 20 is provided on one side of the outer surface of the sliding bar 17. A limiting unit 18 is arranged inside the mounting hole 20. The adjusting shell 4 is fixedly connected to the main body 3 through the limiting unit 18. When in use, the sliding groove 14 and the sliding bar 17 facilitate the sliding of the adjusting shell 4 on the outer surface of the main body 3 to control the exposed length of the main body 3. The limiting unit 18 and the limiting hole 16 are used to fix the adjusting shell 4 and the main body 3, so as to adjust the overall length of the ratchet wrench to adapt to different working environments, and the use is flexible and convenient.

[0031] In this embodiment, if Figure 3 and 4 As shown, the limit unit 18 includes a connecting rod 181, one end of the connecting rod 181 is fixedly installed in the limit hole 16, the other end of the connecting rod 181 slides through the adjustment shell 4 and extends to the outside and is fixedly connected with a positioning block 184, and the outer surface of the connecting rod 181 is sleeved with a return spring 182 near the limit rod 183, and the two ends of the return spring 182 are respectively fixedly connected to the limit rod 183 and the mounting hole 20. When in use, the position of the limit hole 16 is adjusted by pulling the positioning block 184 and utilizing the elastic force of the return spring 182.

[0032] In this embodiment, if Figure 2 , 3 As shown in 4, a plurality of limit holes 16 are evenly distributed in a linear array on the inner bottom wall of the sliding groove 14, and the limit rod 183 is adapted to the limit hole 16. When in use, when the overall length of the ratchet wrench needs to be adjusted, the connecting rod 181 is driven to move upward by pulling the positioning block 184, so that the limit rod 183 is disengaged from the inside of the limit hole 16. At this time, the trunk 3 can be pulled to adjust the length of the combination of the trunk 3 and the adjustment shell 4. After the length adjustment is completed, the positioning block 184 is released. Under the elastic force of the reset spring 182, the limit rod 183 moves downward and is re-inserted into the inside of the limit hole 16 to fix the adjustment shell 4 and the trunk 3 together.

[0033] In this embodiment, if Figure 2 and 3 As shown, the interior of the main body 3 is symmetrically provided with limiting grooves 15 on both sides of the sliding groove 14, and the limiting blocks 19 are symmetrically connected on both sides of the sliding bar 17. The limiting blocks 19 are slidably connected inside the limiting grooves 15, so as to prevent the adjustment shell 4 from being separated from the main body 3 during the sliding process when in use.

[0034] In this embodiment, if Figure 1 As shown, a slot 9 is provided inside the head shell 1 on one side of the tooth 8, a buffer spring 10 is provided inside the slot 9, one end of the buffer spring 10 is fixedly connected to an abutment column 11, the abutment column 11 and the tooth 8 abut against each other, when in use, the ratchet 6 can be buffered during operation by the coordinated use of the buffer spring 10 and the abutment column 11, which greatly reduces the wear between the ratchet 6 and the tooth 8 during operation and improves the stability of the device during use.

[0035] In this embodiment, if Figure 1 As shown, mounting seats 12 are provided on both sides of the teeth 8 inside the head shell 1, and a cover body 2 is provided on one side of the head shell 1. The cover body 2 is threadedly connected to a mounting bolt 13, and one end of the mounting bolt 13 is threadedly connected to the inside of the mounting seat 12. The mounting bolt 13 is adapted to the mounting seat 12, so that the cover body 2 and the head shell 1 can be conveniently assembled together when in use.

[0036] In this embodiment, if Figure 3 As shown, the outer surface of the adjustment shell 4 is wrapped with a rubber sleeve 22 near the rear end, and the outer surface of the rubber sleeve 22 is provided with anti-slip grooves 23. When in use, the comfort of workers when using the ratchet wrench is improved and the hand will not slip.

[0037] In this embodiment, if Figure 1 As shown, a second wrench head 21 is fixedly mounted on the rear end of the adjustment housing 4, which improves the practicability of the device when in use.

[0038] Working principle: When using a high-stability double-ended ratchet wrench of the present application, when the overall length of the ratchet wrench needs to be adjusted, the connecting rod 181 is driven upward by pulling the positioning block 184, so that the limiting rod 183 is disengaged from the inside of the limiting hole 16. At this time, the trunk 3 can be pulled to adjust the length of the combination of the trunk 3 and the adjustment shell 4. After the length adjustment is completed, the positioning block 184 is released. Under the elastic force of the reset spring 182, the limiting rod 183 moves downward and is re-inserted into the inside of the limiting hole 16, fixing the adjustment shell 4 and the trunk 3 together, thereby adjusting the overall length of the ratchet wrench to adapt to different working environments.

[0039] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A high-stability double-ended ratchet wrench, comprising a head housing (1), a ratchet (5), ratchet teeth (6), a rotating rod (7) and teeth (8), characterized in that: A main body (3) is fixedly connected to one side of the head shell (1); a sliding groove (14) is provided inside the main body (3); a plurality of limiting holes (16) are provided on the inner bottom wall of the sliding groove (14); a sliding bar (17) is slidably connected to the inside of the sliding groove (14); an adjusting shell (4) is slidably sleeved on the outer surface of the main body (3); the sliding bar (17) is fixedly mounted on the inner wall of the adjusting shell (4); a mounting hole (20) is provided on one side of the outer surface of the sliding bar (17); a limiting unit (18) is provided inside the mounting hole (20); and the adjusting shell (4) is fixedly connected to the main body (3) via the limiting unit (18).

2. A high stability double-ended ratchet wrench according to claim 1, characterized in that: The limit unit (18) includes a connecting rod (181), one end of the connecting rod (181) is fixedly mounted on the limit hole (16), the other end of the connecting rod (181) slides through the adjustment housing (4) and extends to the outside to be fixedly connected to a positioning block (184), a return spring (182) is sleeved on the outer surface of the connecting rod (181) near the limit rod (183), and the two ends of the return spring (182) are respectively fixedly connected to the limit rod (183) and the mounting hole (20).

3. A high stability double-ended ratchet wrench according to claim 2, characterized in that: A plurality of the limiting holes (16) are evenly distributed in a linear array on the inner bottom wall of the sliding groove (14), and the limiting rods (183) are adapted to the limiting holes (16).

4. A high stability double-ended ratchet wrench according to claim 1, characterized in that: The trunk (3) has limit slots (15) symmetrically formed on both sides of the sliding slot (14), and the two sides of the sliding bar (17) are symmetrically connected to limit blocks (19), which are slidably connected inside the limit slots (15).

5. A high stability double-ended ratchet wrench according to claim 1, characterized in that: An empty slot (9) is provided inside the head shell (1) on one side of the tooth (8), a buffer spring (10) is provided inside the empty slot (9), one end of the buffer spring (10) is fixedly connected to an abutment column (11), and the abutment column (11) abuts against the tooth (8).

6. A high stability double-ended ratchet wrench according to claim 1, characterized in that: A mounting seat (12) is provided inside the head shell (1) on both sides of the teeth (8), a cover body (2) is provided on one side of the head shell (1), the cover body (2) is connected to a mounting bolt (13) by means of a thread, one end of the mounting bolt (13) is threadedly connected to the inside of the mounting seat (12), and the mounting bolt (13) is adapted to fit the mounting seat (12).

7. A high stability double-ended ratchet wrench according to claim 1, characterized in that: The outer surface of the adjustment housing (4) is wrapped with a rubber sleeve (22) near the rear end, and the outer surface of the rubber sleeve (22) is provided with anti-slip grooves (23).

8. A high stability double-ended ratchet wrench according to claim 1, characterized in that: A second wrench head (21) is fixedly mounted on the rear end of the adjustment housing (4).

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