CN115056172A - Torque wrench - Google Patents
Torque wrench Download PDFInfo
- Publication number
- CN115056172A CN115056172A CN202210876311.9A CN202210876311A CN115056172A CN 115056172 A CN115056172 A CN 115056172A CN 202210876311 A CN202210876311 A CN 202210876311A CN 115056172 A CN115056172 A CN 115056172A
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- torque wrench
- plate
- wrench body
- telescopic
- connecting shaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B13/00—Spanners; Wrenches
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention relates to a torque wrench, which comprises a torque wrench body and a connecting shaft rotatably arranged at the end part of the torque wrench body, and further comprises: the telescopic external member is connected with the torque wrench body and is used for increasing and improving the rotating torque of the torque wrench body; the supporting mechanism is connected with the telescopic external member and the torque wrench body, and can fix the length of the telescopic external member and disperse the force generated on the telescopic external member to the torque wrench body when the length of the telescopic external member reaches the maximum value; the connecting mechanism is connected with the connecting shaft and comprises a bolt sleeve and an elastic locking assembly, the elastic locking assembly is used for enabling the bolt sleeve and the connecting shaft to be rapidly disassembled and assembled, and through the arrangement, on one hand, the phenomenon that the torque wrench body is bent due to stress cannot occur in the process of rotating high torque, and on the other hand, the process of connecting the bolt sleeve and the connecting shaft is more convenient.
Description
Technical Field
The invention relates to the field related to wrenches, in particular to a torque wrench.
Background
In industrial production, workpieces are mostly connected by bolts and nuts, the acting force between the bolts and the nuts has a certain limit value, when the torque for rotating the bolts (nuts) exceeds a set value, the phenomenon of 'thread slipping' is very easy to occur, and a torque wrench is derived for protecting the structures of the bolts and the nuts.
When the torque wrench is used, when the rotating torque is larger than a set value, the torque wrench can generate a click sound, and the torque wrench can not transmit the torque to a bolt (nut) even if the torque wrench continues to rotate under the state.
The torque wrench is a precise instrument, the structural integrity of the torque wrench is a precondition for normal operation, and when the existing torque wrench is used, torque is directly transmitted to a bolt (nut) through an operating handle, so that when the rotating torque is too large, the phenomenon that the operating handle is bent easily occurs, the structure of the torque wrench is further damaged, and the accuracy of the torque wrench is reduced.
Disclosure of Invention
The present invention is directed to a torque wrench, which solves the above problems.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a torque wrench, includes that torque wrench body and rotation are installed the connecting axle of this end of body of torque wrench still includes:
the telescopic external member is connected with the torque wrench body and is used for increasing and improving the rotating torque of the torque wrench body;
the supporting mechanism is connected with the telescopic external member and the torque wrench body, and can fix the length of the telescopic external member and disperse the force generated on the telescopic external member to the torque wrench body when the length of the telescopic external member reaches the maximum value;
the connecting mechanism is connected with the connecting shaft and comprises a bolt sleeve and an elastic locking assembly, and the elastic locking assembly is used for enabling the bolt sleeve and the connecting shaft to be rapidly disassembled and assembled.
As a further scheme of the invention: the telescopic sleeve comprises an extension sleeve plate fixedly mounted on the torque wrench body, the extension sleeve plate is of a hollow structure, a through groove arranged along the length direction of the extension sleeve plate is formed in the side wall of the extension sleeve plate, the telescopic sleeve plate is arranged in the extension sleeve plate in a sliding mode, and the end portion of the telescopic sleeve plate is provided with a through groove which is connected with the boss of the supporting mechanism in a penetrating mode.
As a still further scheme of the invention: the supporting structure comprises connecting seats which are symmetrically arranged on the torque wrench body and are coaxial with the connecting shaft, and the connecting seats are connected with the bosses through turnover rod pieces;
the supporting structure further comprises a clamping structure arranged at one end, far away from the torque wrench body, of the extension sleeve plate.
As a still further scheme of the invention: the turnover rod piece comprises a second support rod which is rotatably installed on the connecting seat, one end of the second support rod, which is far away from the connecting seat, is rotatably installed with a first support rod, one end of the first support rod, which is far away from the second support rod, is rotatably connected with the boss, and a limit groove which is matched with the clamping structure is formed in the first support rod.
As a still further scheme of the invention: the clamping structure comprises a vertical plate integrally formed with the extension sleeve plate and a connecting plate parallel to the vertical plate, two connecting rods penetrating through the vertical plate are symmetrically mounted on the connecting plate, and a limiting pulley matched with the limiting groove is rotatably mounted at one end, far away from the connecting plate, of each connecting rod;
the connecting plate is connected with the vertical plate through an elastic sheet.
As a still further scheme of the invention: the elastic locking assembly comprises a connecting piece which is rotatably connected with the bolt sleeve, and the connecting piece is connected with the connecting shaft through a chimeric structure;
a cylindrical spring is sleeved between the connecting piece and the connecting shaft, one end of the cylindrical spring is connected with the connecting piece, and the other end of the cylindrical spring is connected with a limiting ring arranged on the connecting shaft;
the bolt sleeve is close to one end of the connecting piece is provided with an annular boss, the annular boss is embedded in an annular groove in the connecting piece, and the annular boss can rotate in the annular groove.
As a still further scheme of the invention: the embedded structure comprises two sliding grooves symmetrically arranged on the circumferential outer wall of the connecting shaft, and the sliding grooves are matched with bulges arranged on the inner wall of the connecting piece.
As a still further scheme of the invention: the spout includes oblique groove body and vertical groove body, oblique groove body with vertical groove body is connected, just the arch can slide oblique groove body and vertical groove body.
Compared with the prior art, the invention has the beneficial effects that:
through the arranged supporting mechanism, the force on the telescopic sleeve plate is transmitted to the connecting shaft through the first supporting rod and the second supporting rod, the torsion wrench body is prevented from being bent and deformed due to overlarge rotating torque, the structural integrity of the torsion wrench body is ensured, and the durability of the torsion wrench body is improved;
and under the effect of the connecting mechanism, the bolt sleeve and the connecting shaft can be effectively and quickly disassembled.
Drawings
Fig. 1 is a schematic structural view of an embodiment of a torque wrench.
Fig. 2 is a schematic structural diagram of a telescopic sleeve in an embodiment of the torque wrench.
Fig. 3 is a schematic structural view of another angle in an embodiment of the torque wrench.
Fig. 4 is a schematic structural diagram of a support mechanism in an embodiment of the torque wrench.
Fig. 5 is a schematic view of another embodiment of a torque wrench.
Fig. 6 is a schematic view of the structure at a in fig. 5.
Fig. 7 is a schematic structural diagram of a connecting mechanism in an embodiment of the torque wrench.
Fig. 8 is a schematic structural view of a sliding groove and a protrusion in an embodiment of the torque wrench.
In the figure: 1. a torque wrench body; 2. extending the sleeve plate; 3. a telescopic sleeve plate; 4. a boss; 5. a first support rod; 6. a second support rod; 7. a connecting seat; 8. a connecting shaft; 9. a groove; 10. a limiting pulley; 11. a connecting rod; 12. a yoke plate; 13. an elastic sheet; 14. a bolt sleeve; 15. an annular boss; 16. a connecting member; 17. an annular groove; 18. a cylindrical spring; 19. a limiting ring; 20. a chute; 21. and (4) protruding.
Detailed Description
Referring to fig. 1 to 6, in an embodiment of the present invention, a torque wrench includes a torque wrench body 1 and a connecting shaft 8 rotatably mounted at an end of the torque wrench body 1, and further includes: flexible external member, supporting mechanism and coupling mechanism.
The telescopic external member is connected with the torque wrench body 1, and is used for increasing the rotating torque of the torque wrench body 1, specifically, the telescopic external member is installed at one end of the torque wrench body 1, which is far away from the connecting shaft 8, and exemplarily, the telescopic external member is connected with the torque wrench body 1 in a welding manner, so that the connection state between the telescopic external member and the torque wrench body 1 is more stable.
The telescopic external member comprises an extension sleeve plate 2 fixedly installed on the torque wrench body 1, the extension sleeve plate 2 is of a hollow structure, a through groove arranged along the length direction of the extension sleeve plate 2 is formed in the side wall of the extension sleeve plate 2, a telescopic sleeve plate 3 is arranged in the extension sleeve plate 2 in a sliding mode, and a boss 4 penetrating through the through groove and connected with the supporting mechanism is arranged at the end part of the telescopic sleeve plate 3;
the supporting mechanism is connected to the telescopic external member and the torque wrench body 1, when the length of the telescopic external member reaches the maximum value, the supporting mechanism can fix the length of the telescopic external member and can disperse the force generated on the telescopic external member to the torque wrench body 1;
the supporting structure comprises connecting seats 7 which are symmetrically arranged on the torque wrench body 1 and are coaxial with the connecting shaft 8, the connecting seats 7 are connected with the bosses 4 through turnover rods, each turnover rod comprises a second supporting rod 6 which is rotatably arranged on the connecting seat 7, one end, far away from the connecting seat 7, of the second supporting rod 6 is rotatably provided with a first supporting rod 5, one end, far away from the second supporting rod 6, of the first supporting rod 5 is rotatably connected with the bosses 4, and limiting grooves 9 matched with the clamping structures are formed in the first supporting rod 5;
the bearing structure is still including setting up extension lagging 2 is kept away from the block structure of the one end of torque wrench body 1, the block structure include with extension lagging 2 integrated into one piece's riser and with the parallel yoke plate 12 of riser, the symmetry install two run through on the yoke plate 12 the connecting rod 11 of riser, connecting rod 11 keeps away from the one end of yoke plate 12 rotate install with the spacing pulley 10 of spacing groove 9 adaptation, yoke plate 12 with connect through flexure strip 13 between the riser.
Under initial condition, flexible lagging 3 is accomodate in extension lagging 2, and when using, when needs make torque wrench body 1 improve great rotation torque, act on flexible lagging 3 through external force, make it for extension lagging 2 outwards movement, make flexible lagging 3 keep away from the increase of distance between torque wrench body 1's one end and the torque wrench body 1, and then improve the rotatory arm of force when using torque wrench body 1, can make torque wrench body 1 output bigger rotation torque on the one hand, on the other hand, through lever principle, make the user can make torque wrench body 1 rotatory under the prerequisite of paying out less power.
In the initial state, the end of the first support rod 5 and the end of the telescopic sleeve plate 3 far from the torque wrench body 1 form an acute angle, so when the telescopic sleeve plate 3 moves outwards relative to the extension sleeve plate 2, because one end of the second support rod 6 is rotatably connected with the connecting seat 7, one end of the first support rod 5 far from the telescopic sleeve plate 3 is pulled, the first support rod 5 rotates relative to the telescopic sleeve plate 3, and the angle between the first support rod 5 and the end of the telescopic sleeve plate 3 far from the torque wrench body 1 is gradually increased along with the continuous outward movement of the telescopic sleeve plate 3, when the telescopic sleeve plate 3 moves to the stroke end, the telescopic sleeve plate 3 and the first support rod 5 are in a vertical state, and in the state, the limit pulley 10 is clamped in the limit groove 9, so that the first support rod 5 is kept in a state vertical to the telescopic sleeve plate 3 and passes through the limit pulley 10 and the limit groove 9, on the one hand, can be spacing to being in flexible lagging 3 on the stroke tip, make its and extension lagging 2 between remain stable connected state, in order to improve the stability when using, on the other hand, when bracing piece 5 keeps with flexible lagging 3 vertically state, when with connecting axle 8 rotatory flexible lagging 3, the power on flexible lagging 3 will be through bracing piece 5 No. two bracing pieces 6 transmission to connecting axle 8 departments, avoided because the too big torque wrench body 1 that leads to of turning moment takes place bending deformation, improve torque wrench body 1's durability.
Referring to fig. 7 and 8, the connecting mechanism connects the connecting shaft 8, and includes a bolt sleeve 14 and an elastic locking component, and the elastic locking component is used for quickly disassembling and assembling the bolt sleeve 14 and the connecting shaft 8;
the elastic locking assembly comprises a connecting piece 16 rotatably connected with the bolt sleeve 14, the connecting piece 16 is connected with the connecting shaft 8 through an embedding structure, the embedding structure comprises two sliding chutes 20 symmetrically arranged on the outer wall of the circumference of the connecting shaft 8, the sliding chutes 20 are matched with protrusions 21 arranged on the inner wall of the connecting piece 16, the sliding chutes 20 comprise inclined groove bodies and vertical groove bodies, the inclined groove bodies are connected with the vertical groove bodies, and the protrusions 21 can slide in the inclined groove bodies and the vertical groove bodies;
the connecting piece 16 with still the cover is equipped with cylindricality spring 18 between the connecting axle 8, the one end of cylindricality spring 18 with connecting piece 16 is connected, and the other end and setting are in spacing ring 19 on the connecting axle 8 is connected, wherein, bolt cover 14 is close to the one end of connecting piece 16 is provided with cyclic annular boss 15, cyclic annular boss 15 inlays to be located in the annular groove 17 in the connecting piece 16, just cyclic annular boss 15 can the annular groove 17 internal rotation.
When using, when the bolt cover 14 needs to be installed, aim at the head end of the chute body on the spout 20 with the arch 21 on the connecting piece 16, and it is rotatory, arch 21 will slide in the chute body this moment, and under the effect of chute body, connecting piece 16 will move towards connecting axle 8, cylindricality spring 18 is compressed this moment, and when arch 21 moves to the tip of chute body, cylindricality spring 18 is through releasing elastic potential energy, order about connecting piece 16 to keep away from connecting axle 8 and move, and make arch 21 move to the tip of vertical chute body, and the card is established in vertical chute body, the fixing to bolt cover 14 and connecting axle 8 has been accomplished.
When bolt sleeve 14 needs to be detached from connecting shaft 8, external force acts on connecting piece 16 to enable the connecting piece to move towards connecting shaft 8, cylindrical spring 18 is compressed, protrusion 21 moves towards the head of the vertical groove body, protrusion 21 moves to the head of the vertical groove body, connecting piece 16 is turned slightly, separation of bolt sleeve 14 and connecting shaft 8 is achieved, and through the arrangement, bolt sleeve 14 and connecting shaft 8 are effectively and quickly disassembled.
It should be noted that the end of the connecting shaft 8 is provided with a cubic structure, and the bolt sleeve 14 is provided with a cubic cavity, so as to improve the connection stability and toughness of the connecting shaft 8 and the connecting piece 16 when the torque wrench body 1 works.
Further, the length of the cubic structure is smaller than the length of the cubic cavity so that no interference occurs when connecting the connecting shaft 8 and the connecting member 16.
In summary, in the initial state, the retractable sleeve 3 is accommodated in the extension sleeve 2, and when the torque wrench is used, when the torque wrench body 1 needs to increase the larger rotation torque, the external force acts on the retractable sleeve 3 to move the retractable sleeve 3 outwards relative to the extension sleeve 2, so that the distance between one end of the retractable sleeve 3 away from the torque wrench body 1 and the torque wrench body 1 is increased, and the rotation force arm when the torque wrench body 1 is used is increased, on one hand, the torque wrench body 1 can output the larger rotation torque, on the other hand, the user can rotate the torque wrench body 1 by using the lever principle on the premise of paying out the smaller force.
In the initial state, the end of the first support rod 5 and the end of the telescopic sleeve plate 3 far from the torque wrench body 1 form an acute angle, so when the telescopic sleeve plate 3 moves outwards relative to the extension sleeve plate 2, because one end of the second support rod 6 is rotatably connected with the connecting seat 7, one end of the first support rod 5 far from the telescopic sleeve plate 3 is pulled, the first support rod 5 rotates relative to the telescopic sleeve plate 3, and the angle between the first support rod 5 and the end of the telescopic sleeve plate 3 far from the torque wrench body 1 is gradually increased along with the continuous outward movement of the telescopic sleeve plate 3, when the telescopic sleeve plate 3 moves to the stroke end, the telescopic sleeve plate 3 and the first support rod 5 are in a vertical state, and in the state, the limit pulley 10 is clamped in the limit groove 9, so that the first support rod 5 is kept in a state vertical to the telescopic sleeve plate 3 and passes through the limit pulley 10 and the limit groove 9, on the one hand, can be spacing to being in flexible lagging 3 on the stroke tip, make its and extension lagging 2 between remain stable connected state, in order to improve the stability when using, on the other hand, when bracing piece 5 keeps with flexible lagging 3 vertically state, when with connecting axle 8 rotatory flexible lagging 3, the power on flexible lagging 3 will be through bracing piece 5 No. two bracing pieces 6 transmission to connecting axle 8 departments, avoided because the too big torque wrench body 1 that leads to of turning moment takes place bending deformation, improve torque wrench body 1's durability.
When using, when the bolt cover 14 needs to be installed, aim at the head end of the chute body on the spout 20 with the arch 21 on the connecting piece 16, and it is rotatory, arch 21 will slide in the chute body this moment, and under the effect of chute body, connecting piece 16 will move towards connecting axle 8, cylindricality spring 18 is compressed this moment, and when arch 21 moves to the tip of chute body, cylindricality spring 18 is through releasing elastic potential energy, order about connecting piece 16 to keep away from connecting axle 8 and move, and make arch 21 move to the tip of vertical chute body, and the card is established in vertical chute body, the fixing to bolt cover 14 and connecting axle 8 has been accomplished.
When bolt sleeve 14 needs to be detached from connecting shaft 8, external force acts on connecting piece 16 to enable the connecting piece to move towards connecting shaft 8, cylindrical spring 18 is compressed, protrusion 21 moves towards the head of the vertical groove body, protrusion 21 moves to the head of the vertical groove body, connecting piece 16 is turned slightly, separation of bolt sleeve 14 and connecting shaft 8 is achieved, and through the arrangement, bolt sleeve 14 and connecting shaft 8 are effectively and quickly disassembled.
Claims (8)
1. The utility model provides a torque wrench, includes torque wrench body (1) and rotates to be installed connecting axle (8) of torque wrench body (1) tip, its characterized in that still includes:
the telescopic external member is connected with the torque wrench body (1) and is used for increasing and improving the rotating torque of the torque wrench body (1);
the supporting mechanism is connected with the telescopic external member and the torque wrench body (1), and when the length of the telescopic external member reaches the maximum value, the supporting mechanism can fix the length of the telescopic external member and can disperse the force generated on the telescopic external member to the torque wrench body (1);
the connecting mechanism is connected with the connecting shaft (8) and comprises a bolt sleeve (14) and an elastic locking assembly, and the elastic locking assembly is used for enabling the bolt sleeve (14) and the connecting shaft (8) to be rapidly assembled and disassembled.
2. The torque wrench according to claim 1, wherein the telescopic kit comprises an extension sleeve plate (2) fixedly mounted on the torque wrench body (1), the extension sleeve plate (2) is hollow, a through groove arranged along the length direction of the extension sleeve plate (2) is formed in the side wall of the extension sleeve plate (2), a telescopic sleeve plate (3) is further slidably arranged in the extension sleeve plate (2), and a boss (4) penetrating through the through groove and connected with the support mechanism is arranged at the end of the telescopic sleeve plate (3).
3. The torque wrench according to claim 2, wherein the supporting structure comprises connecting seats (7) symmetrically mounted on the torque wrench body (1) and coaxially arranged with the connecting shaft (8), the connecting seats (7) are connected to the boss (4) by a turnover rod;
the supporting structure further comprises a clamping structure arranged at one end, far away from the torque wrench body (1), of the extension sleeve plate (2).
4. The torque wrench according to claim 3, wherein the folding rod comprises a second support rod (6) rotatably mounted on the connecting seat (7), a first support rod (5) is rotatably mounted at an end of the second support rod (6) away from the connecting seat (7), an end of the first support rod (5) away from the second support rod (6) is rotatably connected with the boss (4), and a limit groove (9) adapted to the engaging structure is formed in the first support rod (5).
5. The torque wrench according to claim 4, wherein the engaging structure comprises a vertical plate integrally formed with the extension sleeve (2) and a connecting plate (12) parallel to the vertical plate, two connecting rods (11) penetrating through the vertical plate are symmetrically mounted on the connecting plate (12), and a limiting pulley (10) adapted to the limiting groove (9) is rotatably mounted at one end of each connecting rod (11) far away from the connecting plate (12);
the connecting plate (12) is connected with the vertical plate through an elastic sheet (13).
6. A torque wrench as claimed in claim 1, wherein said resilient locking means comprises a connecting member (16) rotatably connected to said bolt housing (14), said connecting member (16) being connected to said connecting shaft (8) by a snap-fit arrangement;
a cylindrical spring (18) is sleeved between the connecting piece (16) and the connecting shaft (8), one end of the cylindrical spring (18) is connected with the connecting piece (16), and the other end of the cylindrical spring is connected with a limiting ring (19) arranged on the connecting shaft (8);
the bolt sleeve (14) is close to one end of the connecting piece (16) and is provided with an annular boss (15), the annular boss (15) is embedded in an annular groove (17) in the connecting piece (16), and the annular boss (15) can rotate in the annular groove (17).
7. A torque wrench as claimed in claim 6, wherein the engagement means comprises two slide grooves (20) symmetrically disposed on the outer circumferential wall of the connecting shaft (8), the slide grooves (20) being adapted to projections (21) mounted on the inner wall of the connecting member (16).
8. The torque wrench as claimed in claim 7, wherein the sliding groove (20) comprises a chute body and a vertical groove body, the chute body is connected with the vertical groove body, and the protrusion (21) can slide in the chute body and the vertical groove body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210876311.9A CN115056172B (en) | 2022-07-25 | 2022-07-25 | Torque wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210876311.9A CN115056172B (en) | 2022-07-25 | 2022-07-25 | Torque wrench |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115056172A true CN115056172A (en) | 2022-09-16 |
| CN115056172B CN115056172B (en) | 2023-02-14 |
Family
ID=83206827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210876311.9A Active CN115056172B (en) | 2022-07-25 | 2022-07-25 | Torque wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115056172B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030010161A1 (en) * | 2000-03-10 | 2003-01-16 | Ready John K | Wheel nut loosening and tightening device |
| CN202462286U (en) * | 2012-03-08 | 2012-10-03 | 苏志强 | Novel safety socket wrench |
| CN204308837U (en) * | 2014-12-13 | 2015-05-06 | 林群富 | A kind of telescopic handle antioverloading L-shape spanner |
| CN208179385U (en) * | 2018-01-23 | 2018-12-04 | 东莞市诺泰五金制品有限公司 | A kind of hardware box spanner of screw cap-falling-proof |
| CN210634345U (en) * | 2019-09-24 | 2020-05-29 | 张华� | Automobile tire assembly and disassembly tools |
| CN216113666U (en) * | 2021-08-19 | 2022-03-22 | 常州嘉霖灯饰有限公司 | Novel decorative ceiling lamp |
-
2022
- 2022-07-25 CN CN202210876311.9A patent/CN115056172B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030010161A1 (en) * | 2000-03-10 | 2003-01-16 | Ready John K | Wheel nut loosening and tightening device |
| CN202462286U (en) * | 2012-03-08 | 2012-10-03 | 苏志强 | Novel safety socket wrench |
| CN204308837U (en) * | 2014-12-13 | 2015-05-06 | 林群富 | A kind of telescopic handle antioverloading L-shape spanner |
| CN208179385U (en) * | 2018-01-23 | 2018-12-04 | 东莞市诺泰五金制品有限公司 | A kind of hardware box spanner of screw cap-falling-proof |
| CN210634345U (en) * | 2019-09-24 | 2020-05-29 | 张华� | Automobile tire assembly and disassembly tools |
| CN216113666U (en) * | 2021-08-19 | 2022-03-22 | 常州嘉霖灯饰有限公司 | Novel decorative ceiling lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115056172B (en) | 2023-02-14 |
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Denomination of invention: A torque wrench Effective date of registration: 20230721 Granted publication date: 20230214 Pledgee: Zhejiang Zhuji Rural Commercial Bank Co.,Ltd. Pledgor: Zhuji Dahe Tools Co.,Ltd. Registration number: Y2023980049235 |
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