Quick-release type silent ratchet wheel assembly for butt joint of internal hexagonal wrenches
By designing a quick-removing silent ratchet assembly including rotary hood, quick-removing spindle, positioning dial, linkage bar, reed and needle rolling, the problem of inefficiency caused by the lack of ratchet function of the Allen wrench is solved, and the silent ratchet rotation and quick-removing operation is achieved, which improves the efficiency and flexibility of use.
Patent Information
- Application Number
- CN202421972107.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-15
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-08-15
AI Technical Summary
The existing allen wrench lacks the ratchet function, which causes the screws and nuts to be repeatedly inserted and pulled out, reducing work efficiency.
A quick-release silent ratchet assembly that butts the Allen wrench is designed, including a rotary hood, a quick-release spindle, a positioning dial, a linkage bar, a reed and a needle roller, and the silent ratchet rotation and quick-release operation are achieved through the synergy of these components.
The silent ratchet rotation is achieved, the torque is large, and there is no limitation on the return distance, which improves the efficiency and flexibility of use, and meets the replacement of accessories under different usage needs.
Smart Images
Figure CN222903849U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of ratchet wrench assemblies, and in particular to a quick-release silent ratchet assembly for docking an internal hexagon wrench. Background Art
[0002] As a tool for tightening and loosening screws, the ratchet wrench has a wide range of applications in contemporary equipment maintenance and assembly. Since the ratchet wrench does not need to repeatedly align and separate the wrench from the screw, it can quickly and conveniently perform screw tightening and loosening operations.
[0003] The existing internal hexagon wrench does not have a ratchet function, and it is necessary to repeatedly insert and pull out when screwing the screw nut, which has deficiencies in flexible use and significantly reduces work efficiency. Summary of the Utility Model
[0004] The purpose of the utility model is to provide a quick-release silent ratchet assembly for docking an internal hexagon wrench, which can perform silent ratchet rotation, has a high torque, and can be flexibly installed and used, with strong practicability.
[0005] To achieve the above purpose, the utility model provides the following technical solutions:
[0006] A quick-release silent ratchet assembly for docking an internal hexagon wrench, including a rotary clamping sleeve. A quick-release main shaft is rotatably installed at the central axis position inside the rotary clamping sleeve. One end of the rotary clamping sleeve is rotatably installed with a positioning dial. One end of the positioning dial is integrally connected with multiple linkage bars. The linkage bars are placed inside the rotary clamping sleeve and are attached to the side surface of the quick-release main shaft. A reed is installed at the bottom end inside the rotary clamping sleeve. A rolling needle is installed at the clamping position of the reed, and the rolling needle is located on both sides of the linkage bar.
[0007] By adopting the above technical solution, silent ratchet rotation can be performed, and the practicability is strong.
[0008] Further, a dial positioning ring is snap-fitted at one end of the rotary clamping sleeve. Multiple groups of spherical positioning holes are provided on the outer surface of the dial positioning ring, and each group of spherical potential holes has two. Multiple mounting holes are provided on the end face of the positioning dial adjacent to the dial positioning ring, and a first spring is installed inside the mounting holes. One end of the first spring is installed with a limiting bead, and each limiting bead corresponds to a group of spherical positioning holes.
[0009] By adopting the above technical solution, the positioning dial can be limited and fixed.
[0010] Further, a first internal hexagon hole is provided on the end face of the quick-release main shaft, and a second spring is fixedly connected to the bottom end face inside the first internal hexagon hole.
[0011] By adopting the above technical solution, the installed fitting can be quickly ejected from the first internal hexagonal hole, realizing quick detachment operation.
[0012] Furthermore, a plurality of mounting holes are provided on the side surface of the quick detachment main shaft, and clamping beads are installed inside the mounting holes, and a partial arc surface of the clamping beads is placed inside the first internal hexagonal hole.
[0013] By adopting the above technical solution, the installed fitting can be clamped and fixed.
[0014] Furthermore, a spring lock pull ring is slidably sleeved outside the quick detachment main shaft, a limit clamp is fixedly installed at one end of the quick detachment main shaft, the limit clamp is clamped in the limit groove at the end of the spring lock pull ring, a bead retaining ring is fixedly sleeved outside the quick detachment main shaft, a pull cord spring is sleeved outside the quick detachment main shaft, one end of the pull cord spring abuts against the end face of the bead retaining ring, and the other end of the pull cord spring abuts against the inner side end face of the spring lock pull ring.
[0015] By adopting the above technical solution, it is ensured that the clamping beads can clamp the fitting, and at the same time, the unlocking operation can be quickly carried out.
[0016] Furthermore, a second internal hexagonal hole is provided on the end face of the rotary collar, a magnet is provided on the inner end face of the second internal hexagonal hole, a card slot is provided on the inner wall of the second internal hexagonal hole, and a retaining ring is installed inside the card slot.
[0017] By adopting the above technical solution, it is convenient to install the hexagonal wrench.
[0018] Furthermore, annular grooves with a semicircular cross-section are provided on the outer surface of the quick detachment main shaft and the inner wall of the rotary collar, and the two grooves are in corresponding positions, and a plurality of steel balls are installed inside the grooves.
[0019] By adopting the above technical solution, it is ensured that the quick detachment main shaft can rotate stably.
[0020] In summary, the beneficial technical effects of the present utility model are as follows:
[0021] 1. By providing a first internal hexagonal hole at one end of the quick detachment main shaft and a second internal hexagonal hole at one end of the rotary collar, the present utility model can conveniently insert the hexagonal wrench into the second internal hexagonal hole, and at the same time, can conveniently insert the used fitting into the first internal hexagonal hole, enabling flexible assembly and use, meeting the replacement of fittings under different usage requirements, and having strong usage flexibility;
[0022] 2. By providing a spring lock pull ring, clamping beads, a zip spring, and a second spring, the utility model can apply a force to the surface of the clamping beads through the spring lock pull ring, so that a part of the surface of the clamping beads is placed in the first hexagon socket, thereby clamping and fixing the fitting, improving the connection stability. When the fitting needs to be disassembled, the spring lock pull ring is pulled downwards, providing a certain position space for the clamping beads, so that the clamping beads no longer clamp the fitting. At this time, the compressed second spring is released, enabling the fitting to pop out of the first hexagon socket, thus achieving quick detachment and improving the usability.
[0023] 3. By providing a positioning dial, a linkage bar, a reed, and a rolling pin, when the ratchet rotates, the positioning dial can be toggled as needed to drive the linkage bar to rotate to a specified position. At this time, the rolling pin at this position is placed in the gap between the linkage bar and the inner wall of the quick release spindle sleeve. When the quick release spindle rotates to drive the linkage bar to move towards the gap angle direction, the rolling pin will move towards the gap angle direction, which will cause the force of the linkage bar fitting against the side surface of the quick release spindle to increase, effectively preventing the quick release spindle from continuing to rotate in this direction. Conversely, when the rolling pin cannot act as a wedge, the quick release spindle can rotate smoothly. This structure can achieve silent ratchet operation, with a large torque and no limit on the return distance, and has strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 is the first perspective view of the three-dimensional structure of the utility model;
[0025] Figure 2 is the second perspective view of the three-dimensional structure of the utility model;
[0026] Figure 3 is the internal structure diagram of the utility model;
[0027] Figure 4 is the front view of the utility model;
[0028] Figure 5 For the utility model Figure 4 is the cross-sectional view taken along line A - A.
[0029] In the figure: 1. Quick release spindle sleeve; 2. Positioning dial; 3. Spring lock pull ring; 4. First hexagon socket; 5. Second hexagon socket; 6. Quick release spindle; 7. Clamping beads; 8. Limit clamp; 9. Zip spring; 10. Suspension bead retaining ring; 11. Dial positioning ring; 12. First spring; 13. Limit bead; 14. Linkage bar; 15. Reed; 16. Rolling pin; 17. Second spring. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0030] The following further details the method of the utility model with reference to the accompanying drawings.
[0031] Refer toFigure 3 , Figure 4 , Figure 5 , a quick-release silent ratchet assembly for a docking hexagon wrench, comprising a rotating sleeve 1. A quick-release main shaft 6 is rotatably installed at the inner central position of the rotating sleeve 1. One end of the rotating sleeve 1 is rotatably installed with a positioning dial 2. One end of the positioning dial 2 is integrally connected with a plurality of linkage bars 14. The linkage bars 14 are arranged inside the rotating sleeve 1 and are attached to the side surface of the quick-release main shaft 6. A reed 15 is installed at the bottom end inside the rotating sleeve 1. A needle roller 16 is installed at the engaging position of the reed 15. The needle roller 16 is located on both sides of the linkage bar 14. One end of the rotating sleeve 1 is snap-fitted with a dial positioning ring 11. A plurality of spherical positioning holes are arranged on the outer surface of the dial positioning ring 11, and each group of spherical potential holes has two. A plurality of mounting holes are arranged on the end surface of the positioning dial 2 adjacent to the dial positioning ring 11, and a first spring 12 is installed inside the mounting holes. One end of the first spring 12 is installed with a limiting bead 13. Each limiting bead 13 corresponds to a group of spherical positioning holes. Annular grooves with a semicircular cross-section are arranged on the outer surface of the quick-release main shaft 6 and the inner wall of the rotating sleeve 1, and the positions of the two grooves correspond. A plurality of steel balls are installed inside the grooves. Among them, through the settings of the positioning dial 2, the linkage bars 14, the reed 15, and the needle roller 16, when the ratchet rotates, the positioning dial 2 can be toggled as needed to drive the linkage bars 14 to rotate to a specified position. At this time, the needle roller 16 at this position is placed in the gap between the linkage bar 14 and the inner wall of the rotating sleeve 1. When the quick-release main shaft 6 rotates to drive the linkage bar 14 to move in the direction of the gap angle, it will cause the needle roller 16 to move in the direction of the gap angle, and further cause the force of the linkage bar 14 pressing against the side surface of the quick-release main shaft 6 to increase, which can effectively prevent the quick-release main shaft 6 from continuing to rotate in this direction. On the contrary, the needle roller 16 cannot play the role of a wedge, and the quick-release main shaft 6 can rotate smoothly. This structure can achieve silent ratchet operation, with a large torque and no limit on the return distance, suitable for use in spaces with a particularly small rotation angle, and has strong practicability.
[0032] Refer to Figure 1 , Figure 2 , a first hexagon socket 4 is arranged on the end surface of the quick-release main shaft 6, and a second hexagon socket 5 is arranged on the end surface of the rotating sleeve 1. A magnet is arranged on the inner end surface of the second hexagon socket 5, and a clamping groove is arranged on the inner wall of the second hexagon socket 5, and a retaining ring is installed inside the clamping groove. Among them, by arranging the first hexagon socket 4 at one end of the quick-release main shaft 6 and the second hexagon socket 5 at one end of the rotating sleeve 1, the hexagon wrench can be conveniently inserted into the second hexagon socket 5, and at the same time, the use accessories can be conveniently inserted into the first hexagon socket 4, enabling flexible assembly and use, meeting the replacement of accessories under different use requirements, and having strong use flexibility.
[0033] Refer to Figure 3, a second spring 17 is fixedly connected to the inner bottom end surface of the first hexagonal hole 4. A plurality of mounting holes are provided on the side surface of the quick-release main shaft 6, and clamping beads 7 are installed inside the mounting holes. A partial arc surface of the clamping bead 7 is placed inside the first hexagonal hole 4. A spring lock pull ring 3 is slidably sleeved outside the quick-release main shaft 6. A limit retaining ring 8 is fixedly installed at one end of the quick-release main shaft 6, and the limit retaining ring 8 is clamped in the limit groove at the end of the spring lock pull ring 3. A bead retaining ring 10 is fixedly sleeved outside the quick-release main shaft 6. A pull cord spring 9 is sleeved outside the quick-release main shaft 6. One end of the pull cord spring 9 abuts against the end surface of the bead retaining ring 10, and the other end of the pull cord spring 9 abuts against the inner side end surface of the spring lock pull ring 3. Among them, through the settings of the spring lock pull ring 3, the clamping beads 7, the pull cord spring 9, and the second spring 17, the spring lock pull ring 3 can apply a force to the surface of the clamping beads 7, so that a partial surface of the clamping beads 7 is placed inside the first hexagonal hole 4, and then the accessories can be clamped and fixed, improving the connection stability. When the accessories need to be disassembled, the spring lock pull ring 3 is pulled downwards, so that the spring lock pull ring 3 provides a certain position space for the clamping beads 7, and then the clamping beads 7 no longer clamp the accessories. At this time, the compressed second spring 17 is released, so that the accessories can pop out of the first hexagonal hole 4, and then can be quickly detached, improving the use convenience.
[0034] Working principle: When in use, select the corresponding accessories, then pull down the spring lock pull ring 3, then insert the accessories inside the first hexagonal hole 4, and then release the spring lock pull ring 3. At this time, the compressed pull cord spring 9 drives the position movement of the spring lock pull ring 3. The spring lock pull ring 3 can effectively push the clamping beads 7, and the clamping beads 7 can firmly clamp the installed accessories. Then insert the hex wrench inside the second hexagonal hole 5. At this time, normal use can be carried out. According to the use needs, the positioning dial 2 is toggled. After the positioning dial 2 rotates to the specified position, the limit beads 13 are placed in the corresponding spherical grooves on the dial positioning ring 11, so as to avoid the loosening and self-rotation of the positioning dial 2. At the same time, the linkage bar 14 is placed at the specified position. At this time, normal use can be carried out. When in use, the rolling pins 16 at the corresponding positions are placed in the gap between the linkage bar 14 and the inner wall of the rotary collar 1. When the quick-release main shaft 6 rotates to drive the linkage bar 14 to move towards the gap angle direction, it will cause the rolling pins 16 to move towards the gap angle direction, and then it will cause the force of the linkage bar 14 fitting on the side surface of the quick-release main shaft 6 to be strengthened, which can effectively prevent the quick-release main shaft 6 from continuing to rotate in this direction. On the contrary, the rolling pins 16 cannot play the role of a wedge, and the quick-release main shaft 6 can rotate smoothly. This structure can achieve a silent ratchet operation, with a large torque and no limit on the return distance, and has strong practicability. After use, the hex wrench can be pulled out, and at the same time, the spring lock pull ring 3 is pulled downwards, so that the spring lock pull ring 3 provides a certain position space for the clamping beads 7, and then the clamping beads 7 no longer clamp the accessories. At this time, the compressed second spring 17 is released, so that the accessories can pop out of the first hexagonal hole 4, and then can be quickly detached.
[0035] The embodiments of this specific implementation manner are all preferred embodiments of the present utility model, and do not limit the protection scope of the present utility model accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of the present utility model shall be covered within the protection scope of the present utility model.
Claims
1. A quick-release silent ratchet assembly for connecting to an internal hexagonal wrench, comprising a rotary sleeve (1), characterized in that: A quick-release spindle (6) is rotatably mounted at the inner center axis position of the rotary sleeve (1); a positioning dial (2) is rotatably mounted at one end of the rotary sleeve (1); one end of the positioning dial (2) is integrally connected to a plurality of linkage bars (14); the linkage bars (14) are disposed inside the rotary sleeve (1) and are fitted onto the side surface of the quick-release spindle (6); a spring leaf (15) is mounted at the inner bottom end of the rotary sleeve (1); a roller needle (16) is mounted on the engaging position of the spring leaf (15); the roller needle (16) is located at two sides of the linkage bar (14).
2. The quick-release silent ratchet assembly for connecting with an Allen wrench according to claim 1, characterized in that: A dial positioning ring (11) is buckled and installed at one end of the rotary sleeve (1), and a plurality of groups of spherical positioning holes are arranged on the outer surface of the dial positioning ring (11), and each group of spherical potential holes is provided with two. A plurality of mounting holes are arranged on the end surface of the positioning dial (2) adjacent to the dial positioning ring (11), and a first spring (12) is installed inside the mounting hole. A limiting bead (13) is installed at one end of the first spring (12), and each limiting bead (13) corresponds to a group of spherical positioning holes.
3. The quick-release silent ratchet assembly for connecting with an Allen wrench according to claim 1, characterized in that: A first hexagonal inner hole (4) is provided on the end surface of the quick-release main shaft (6), and a second spring (17) is fixedly connected to the inner bottom end surface of the first hexagonal inner hole (4).
4. The quick-release silent ratchet assembly for connecting with an Allen wrench according to claim 3, characterized in that: A plurality of mounting holes are arranged on the side surface of the quick-release spindle (6), and a clamping bead (7) is installed inside the mounting hole, and a part of the arc surface of the clamping bead (7) is placed inside the first hexagonal inner hole (4).
5. The quick-release silent ratchet assembly for connecting with an Allen wrench according to claim 4, characterized in that: The quick-release main shaft (6) is slidably sleeved with a spring-lock pull ring (3) on the outside, a limit clamp (8) is fixedly installed on one end of the quick-release main shaft (6), and the limit clamp (8) is engaged in a limit groove at the end of the spring-lock pull ring (3), the quick-release main shaft (6) is sleeved with a hanging bead clamp (10) on the outside, and a zipper spring (9) is sleeved on the outside of the quick-release main shaft (6), one end of the zipper spring (9) is against the end surface of the hanging bead clamp (10), and the other end of the zipper spring (9) is against the inner end surface of the spring-lock pull ring (3).
6. The quick-release silent ratchet assembly for connecting with an Allen wrench according to claim 1, characterized in that: A second hexagonal inner hole (5) is provided on the end surface of the rotary sleeve (1), a magnetic steel is provided on the inner end surface of the second hexagonal inner hole (5), a clamping groove is provided on the inner wall of the second hexagonal inner hole (5), and a retaining ring is installed inside the clamping groove.
7. The quick-release silent ratchet assembly for connecting with an Allen wrench according to claim 1, characterized in that: An annular groove with a semicircular cross section is provided on the outer surface of the quick-release spindle (6) and on the inner wall of the rotary sleeve (1), and the two grooves are located in corresponding positions, and a plurality of steel balls are installed inside the grooves.