Threaded ratchet wheel with high impact and vibration resistance

Abstract

The utility model discloses a high impact vibration resistance threaded ratchet wheel which comprises a base, two installation plates are fixedly installed on the top of the base, a threaded ratchet wheel body is arranged between the two installation plates, rotating shafts are fixedly installed on the front face and the back face of the threaded ratchet wheel body, and installation grooves are formed in the sides, close to the threaded ratchet wheel body, of the installation plates. The base and the mounting plate are matched with each other to be used for mounting and fixing the threaded ratchet wheel body, the use stability of the threaded ratchet wheel body is improved, the rotating shaft is mounted and limited under the action of the mounting groove, and the stability of the threaded ratchet wheel body during rotation is further improved; the vertical rod is lifted upwards, then the clamping plate is separated from the interior of the clamping groove, the pull rod is pulled by moving the handle, the pull rod drives the limiting block to be stored in the side groove, and meanwhile the problems that when the threaded ratchet wheel breaks down in use, the threaded ratchet wheel is very inconvenient to disassemble and assemble, and the use efficiency of equipment is affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of threaded ratchets, in particular to a threaded ratchet with high impact and vibration resistance. Background Art

[0002] A threaded ratchet is a type of ratchet and forms the main component of the ratchet mechanism. The torque is transmitted through the spiral radial serrations in the input and output parts, which are pressed together by spring force.

[0003] With respect to the above-mentioned and existing related technologies, the inventors believe that the following defects often exist: when a threaded ratchet fails during use, it is very inconvenient to disassemble and assemble the threaded ratchet, which affects the efficiency of the equipment; therefore, a highly impact-resistant and vibration-resistant threaded ratchet is proposed to address the above-mentioned problems. Utility Model Content

[0004] The utility model aims to provide a highly impact-resistant and vibration-resistant threaded ratchet, which has the advantage of improving the efficiency of disassembling and assembling the threaded ratchet, and solves the problem that when a threaded ratchet fails during use, it is very inconvenient to disassemble and assemble the threaded ratchet, thereby affecting the efficiency of equipment use.

[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a highly impact and vibration resistant threaded ratchet comprises a base, two mounting plates are fixedly installed on the top of the base, a threaded ratchet body is arranged between the two mounting plates, a rotating shaft is fixedly installed on the front and back sides of the threaded ratchet body, a mounting groove is provided on the side of the mounting plate close to the threaded ratchet body, the other end of the rotating shaft is located inside the mounting groove, side grooves are provided on both sides of the mounting plate, the side grooves are connected to the mounting grooves, a fixing plate is fixedly installed inside the side grooves, a compression spring is fixedly installed on the relatively close side of the fixing plate, a limiting block is fixedly installed on the other end of the compression spring, the limiting block extends to the inside of the mounting groove and is clamped on the surface of the rotating shaft, a pull rod is fixedly installed on the relatively distant side of the limit block, a through hole is provided on the fixing plate, and a moving handle is fixedly installed on one side of the pull rod.

[0006] The effects achieved by the above components are: by setting the base and the mounting plate to cooperate with each other to install and fix the threaded ratchet body, the use stability of the threaded ratchet body is improved, the rotating shaft is installed and limited under the action of the mounting groove, and the stability of the threaded ratchet body during rotation is further improved. When the threaded ratchet body is installed, the vertical rod is pulled upward, and then the clamping plate is separated from the inside of the clamping groove, and then the pull rod is pulled by moving the handle, and the pull rod drives the limit block to be stored in the inside of the side groove. When the limit block is completely stored in the inside of the side groove, the other clamping groove is just Move it to the bottom of the card plate, loosen the vertical rod, and the vertical rod will pop up downward under the elastic force of the tension spring, so that the card plate is clamped in the inside of the card slot. At this time, the rotating shaft is installed in the inside of the installation slot until the rotating shaft moves to the bottom of the installation slot, and the vertical rod is pulled again, so that the vertical rod drives the card plate out of the inside of the card slot. Under the elastic force of the compression spring, the limit block pops up to the inside of the installation slot, and then the positioning convex rod is inserted into the inside of the positioning slot, and the limit block is clamped on the surface of the rotating shaft, completing the inside of the threaded ratchet body, thereby improving the installation efficiency of the threaded ratchet body.

[0007] Preferably, a limiting plate is fixedly mounted on one side of the limiting block that is relatively far away, and the limiting plate is clamped on the top of the inner cavity of the side groove.

[0008] The effect achieved by the above components is: by setting the limiting plate to limit the limiting block, the limiting block is prevented from being offset when it moves to the inside of the installation groove.

[0009] Preferably, side plates are fixedly installed on both sides of the mounting plate, a tension spring is fixedly installed on the top of the side plate, a vertical rod is fixedly installed on the top circular plate of the tension spring and the bottom of the circular plate, a clamping plate is fixedly installed on the bottom of the vertical rod, two clamping grooves are opened on the top of the pull rod surface, and the clamping plate is clamped into the inside of one of the clamping grooves.

[0010] The effect achieved by the above components is: by setting a tension spring to pull the vertical rod, the vertical rod maintains downward pressure, and the vertical rod pushes the card plate to be connected to the inside of the card slot, thereby improving the stability of the card plate connected to the inside of the card slot and further improving the stability of the limit block.

[0011] Preferably, a positioning protrusion and a positioning groove are fixedly mounted on one side of the limiting block that is relatively close to the other, and the positioning protrusion is inserted into the interior of the positioning groove, and the positioning protrusion is adapted to the size of the positioning groove.

[0012] The effect achieved by the above components is: by setting the positioning protrusion and the positioning hole to cooperate with each other to position the two limit blocks, the fitting stability and positioning performance between the limit blocks are improved, thereby improving the limiting effect of the limit blocks on the rotating shaft.

[0013] Preferably, the surface of the threaded ratchet body is coated with a strength layer, and the surface of the strength layer is coated with an anti-corrosion layer.

[0014] The effects achieved by the above components are: by setting a strength layer to improve the high strength performance of the surface of the threaded ratchet body, the surface of the threaded ratchet body is prevented from being scratched and damaged; under the action of the anti-corrosion layer, the corrosion resistance of the threaded ratchet body is improved to prevent the surface of the threaded ratchet body from rusting.

[0015] Preferably, the strength layer and the anti-corrosion layer have the same thickness.

[0016] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0017] The utility model provides a base and a mounting plate which cooperate with each other to install and fix the threaded ratchet body, thereby improving the use stability of the threaded ratchet body, installing and limiting the rotating shaft under the action of the mounting groove, and further improving the stability of the threaded ratchet body when rotating. When the threaded ratchet body is installed, the vertical rod is pulled upward, so that the clamping plate is separated from the inside of the clamping groove, and then the pull rod is pulled by moving the handle, and the pull rod drives the limit block to be stored in the inside of the side groove. When the limit block is completely stored in the inside of the side groove, the other clamping groove is just moved to the bottom of the clamping plate, and the vertical rod is released. Under the elastic force of the tension spring, the clamping plate is released. The vertical rod is bounced downward so that the card plate is engaged with the inside of the card slot. At this time, the rotating shaft is installed in the inside of the installation slot until the rotating shaft moves to the bottom of the installation slot. The vertical rod is pulled again so that the vertical rod drives the card plate to disengage from the inside of the card slot. Under the elastic force of the compression spring, the limit block bounces toward the inside of the installation slot, and then the positioning protrusion is inserted into the inside of the positioning slot. The limit block is engaged with the surface of the rotating shaft, completing the inside of the threaded ratchet body, improving the installation efficiency of the threaded ratchet body, and at the same time solving the problem that when the threaded ratchet fails during use, it is very inconvenient to disassemble and assemble the threaded ratchet, affecting the use efficiency of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional diagram of the structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the threaded ratchet body of the utility model;

[0020] Figure 3 This is a schematic diagram of the local structure of the mounting plate of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the limit block of the utility model;

[0022] Figure 5 It is a schematic diagram of the cross-sectional structure of the threaded ratchet body of the utility model.

[0023] In the figure: 1. base; 2. mounting plate; 3. threaded ratchet body; 4. rotating shaft; 5. mounting groove; 6. side groove; 7. limit block; 8. fixing plate; 9. compression spring; 10. pull rod; 11. through hole; 12. limit plate; 13. moving handle; 14. slot; 15. side plate; 16. tension spring; 17. vertical rod; 18. clamping plate; 19. positioning protrusion; 20. strength layer; 21. anti-corrosion layer. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-5 A high impact and vibration resistant threaded ratchet comprises a base 1, two mounting plates 2 are fixedly installed on the top of the base 1, a threaded ratchet body 3 is arranged between the two mounting plates 2, a rotating shaft 4 is fixedly installed on the front and back sides of the threaded ratchet body 3, a mounting groove 5 is opened on the side of the mounting plate 2 close to the threaded ratchet body 3, the other end of the rotating shaft 4 is located inside the mounting groove 5, side grooves 6 are opened on both sides of the mounting plate 2, the side grooves 6 are connected with the mounting grooves 5, a fixing plate 8 is fixedly installed inside the side grooves 6, a compression spring 9 is fixedly installed on the relatively close side of the fixing plate 8, a limiting block 7 is fixedly installed on the other end of the compression spring 9, the limiting block 7 extends to the inside of the mounting groove 5 and is clamped on the surface of the rotating shaft 4, a pull rod 10 is fixedly installed on the relatively far side of the limiting block 7, a through hole 11 is opened inside the fixing plate 8, one side of the pull rod 10 passes through the through hole 11 and a moving handle 13 is fixedly installed.

[0026] Specifically, a limiting plate 12 is fixedly installed on one side of the limiting block 7 that is relatively far away, and the limiting plate 12 is clamped on the top of the inner cavity of the side groove 6 .

[0027] The limiting plate 12 is used to limit the limiting block 7 to prevent the limiting block 7 from being offset when it moves to the inside of the installation groove 5 .

[0028] Specifically, side plates 15 are fixedly installed on both sides of the mounting plate 2, a tension spring 16 is fixedly installed on the top of the side plate 15, a vertical rod 17 is fixedly installed on the top circular plate of the tension spring 16 and the bottom of the circular plate, a clamping plate 18 is fixedly installed on the bottom of the vertical rod 17, and two clamping grooves 14 are opened on the top of the surface of the pull rod 10, and the clamping plate 18 is clamped in the inside of one of the clamping grooves 14.

[0029] The tension spring 16 is used to pull the vertical rod 17, so that the vertical rod 17 maintains downward pressure, and the vertical rod 17 pushes the card plate 18 to be connected to the inside of the card slot 14, thereby improving the stability of the card plate 18 being connected to the inside of the card slot 14, and further improving the stability of the limit block 7.

[0030] Specifically, a positioning protrusion 19 and a positioning groove are fixedly installed on one side of the limiting block 7 that is relatively close to each other. The positioning protrusion 19 is inserted into the interior of the positioning groove, and the size of the positioning protrusion 19 is adapted to that of the positioning groove.

[0031] The positioning protrusion 19 and the positioning hole cooperate with each other to position the two limit blocks 7, thereby improving the fitting stability and positioning performance between the limit blocks 7, and further improving the limiting effect of the limit blocks 7 on the rotating shaft 4.

[0032] Specifically, the surface of the threaded ratchet body 3 is coated with a strength layer 20 , and the surface of the strength layer 20 is coated with an anti-corrosion layer 21 .

[0033] The strength layer 20 is used to improve the high strength performance of the surface of the threaded ratchet body 3 to prevent the surface of the threaded ratchet body 3 from being scratched and damaged. Under the action of the anti-corrosion layer 21, the corrosion resistance of the threaded ratchet body 3 is improved to prevent the surface of the threaded ratchet body 3 from rusting.

[0034] Specifically, the strength layer 20 and the anti-corrosion layer 21 have the same thickness.

[0035] When in use, the rotating shaft 4 is installed and limited under the action of the installation groove 5, so as to further improve the stability of the threaded ratchet body 3 during rotation. When the threaded ratchet body 3 is installed, the vertical rod 17 is pulled upward, so that the clamping plate 18 is separated from the inside of the clamping groove 14, and then the pull rod 10 is pulled by moving the handle 13, and the pull rod 10 drives the limit block 7 to be stored in the inside of the side groove 6. When the limit block 7 is completely stored in the inside of the side groove 6, the other clamping groove 14 is moved to the bottom of the clamping plate 18, and the vertical rod 17 is released. Under the elastic force of the tension spring 16, The vertical rod 17 pops up downward, so that the card plate 18 is engaged with the inside of the card slot 14. At this time, the rotating shaft 4 is installed in the inside of the mounting slot 5 until the rotating shaft 4 moves to the bottom of the mounting slot 5. The vertical rod 17 is pulled again, so that the vertical rod 17 drives the card plate 18 to disengage from the inside of the card slot 14. Under the elastic force of the compression spring 9, the limit block 7 pops up to the inside of the mounting slot 5, and then the positioning protrusion 19 is inserted into the inside of the positioning slot. The limit block 7 is engaged with the surface of the rotating shaft 4, completing the inside of the threaded ratchet body 3, thereby improving the installation efficiency of the threaded ratchet body 3.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A highly shock-resistant and vibration-resistant threaded ratchet, comprising a base (1), characterized in that: Two mounting plates (2) are fixedly mounted on the top of the base (1), a threaded ratchet body (3) is arranged between the two mounting plates (2), a rotating shaft (4) is fixedly mounted on the front and back sides of the threaded ratchet body (3), a mounting groove (5) is provided on one side of the mounting plate (2) close to the threaded ratchet body (3), the other end of the rotating shaft (4) is located inside the mounting groove (5), side grooves (6) are provided on both sides of the mounting plate (2), the side grooves (6) are communicated with the mounting groove (5), and the inside of the side grooves (6) is fixedly mounted. A fixed plate (8) is fixedly installed, and a compression spring (9) is fixedly installed on the relatively close side of the fixed plate (8), and a limit block (7) is fixedly installed on the other end of the compression spring (9). The limit block (7) extends to the inside of the installation groove (5) and is clamped on the surface of the rotating shaft (4). A pull rod (10) is fixedly installed on the relatively distant side of the limit block (7). A through hole (11) is opened inside the fixed plate (8), and one side of the pull rod (10) penetrates the through hole (11) and is fixedly installed with a moving handle (13).

2. A highly impact-resistant and vibration-resistant threaded ratchet according to claim 1, characterized in that: A limiting plate (12) is fixedly mounted on the relatively distant side of the limiting block (7), and the limiting plate (12) is clamped on the top of the inner cavity of the side groove (6).

3. The high impact and vibration resistant threaded ratchet according to claim 1, characterized in that: Side plates (15) are fixedly mounted on both sides of the mounting plate (2); a tension spring (16) is fixedly mounted on the top of the side plate (15); a vertical rod (17) is fixedly mounted on the top circular plate of the tension spring (16); a clamping plate (18) is fixedly mounted on the bottom of the vertical rod (17); two clamping grooves (14) are provided on the top of the surface of the pull rod (10); and the clamping plate (18) is clamped in one of the clamping grooves (14).

4. The high impact and vibration resistant threaded ratchet according to claim 1, characterized in that: A positioning protrusion (19) and a positioning groove are fixedly mounted on one side of the limiting block (7) that is relatively close to the other. The positioning protrusion (19) is inserted into the interior of the positioning groove, and the positioning protrusion (19) is adapted to the size of the positioning groove.

5. The high impact and vibration resistant threaded ratchet according to claim 1, characterized in that: The surface of the threaded ratchet body (3) is coated with a strength layer (20), and the surface of the strength layer (20) is coated with an anti-corrosion layer (21).

6. A highly shock-resistant and vibration-resistant threaded ratchet according to claim 5, characterized in that: The strength layer (20) and the anti-corrosion layer (21) have the same thickness.

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