CN211466179U - Nut locking device for electric torque gun convenient to control tightening torque - Google Patents
Nut locking device for electric torque gun convenient to control tightening torque Download PDFInfo
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- CN211466179U CN211466179U CN201922046548.0U CN201922046548U CN211466179U CN 211466179 U CN211466179 U CN 211466179U CN 201922046548 U CN201922046548 U CN 201922046548U CN 211466179 U CN211466179 U CN 211466179U
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Abstract
The utility model relates to a nut locking device for electronic moment of torsion rifle convenient to moment is screwed up in control, including installing the hexagonal sleeve on electronic moment of torsion rifle, the mounting hole of electronic moment of torsion rifle is worn out to hexagonal sleeve upper end is outer and screw through the screw and have the lock mother, wear to be equipped with the connecting rod in the hexagonal sleeve, the connecting rod overlaps in proper order outward and is equipped with the stopper, helical compression spring, the board that splines, be equipped with the jackscrew concave ring on the outer wall that the connecting rod corresponds the stopper, it has a plurality of jackscrew hole to run through on the stopper lateral wall, be equipped with the jackscrew in the jackscrew hole of stopper and screw through the jackscrew top at the jackscrew concave ring, the connecting rod top is worn out on the board that splines and the screw has the nut, the connecting rod lower extreme is hexagonal pole, hexagonal pole external fixation has the sleeve of screwing up, it is equipped. The utility model has simple and practical structure, convenient maintenance and low accessory processing cost; the operation is convenient, the device is suitable for large-batch operation, and the torque precision can be ensured.
Description
Technical Field
The utility model relates to a technical field that piston rod fixation nut screwed in the automobile shock absorber ware especially relates to a nut locking device for electronic moment of torsion rifle convenient to moment is screwed up in control.
Background
At present, in the automobile industry, the function of a shock absorber is self-evident, and the shock absorber is taken as one of essential modules in an automobile and has great influence on the performances of the automobile, such as operation stability, comfort and the like. In the machining process of the automobile shock absorber, the piston rod nut in the shock absorber is fixed, and the nut tightening torque needs to be controlled within a certain range. However, when the nut is screwed up by adopting the electric torque gun, the screwing torque can not be well controlled usually, so that the torque is too large to damage the thread, and the quality problem of the product is caused.
Disclosure of Invention
The utility model aims at solving the defects of the prior art and provides a nut locking device for an electric torque gun convenient for controlling tightening torque.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme:
a nut locking device for an electric torque gun convenient for controlling tightening torque comprises a hexagonal sleeve arranged on the electric torque gun, the upper end of the hexagonal sleeve penetrates out of an installation hole of the electric torque gun and is screwed with a locking nut through threads, the outer wall of the hexagonal sleeve is provided with a limiting ring plate, the top of the limiting ring plate is tightly attached to the bottom of the electric torque gun, the bottom of the hexagonal sleeve is provided with a hexagonal prism hole and a cylindrical hole above the hexagonal prism hole, a connecting rod penetrates through the hexagonal sleeve, the top of the connecting rod penetrates out of the hexagonal sleeve, a limiting block and a rotation stopping plate are sequentially sleeved outside the connecting rod, a spiral compression spring is arranged between the limiting block and the rotation stopping plate, the outer wall of the connecting rod corresponding to the limiting block is provided with a jackscrew concave ring, a plurality of jackscrew holes penetrate through the side wall of the limiting block, jackscrews are arranged in jackscrew holes of the limiting block and are tightly pressed in the jackscrew concave ring to realize fixation with the connecting rod, the utility model discloses a locking device of electric torque gun, including connecting rod, stop board, connecting rod top, connecting rod, tightening sleeve, locking hole, locking screw, the connecting rod top is worn out and is stopped on the board and the screw thread is screwed to have the nut, the connecting rod lower extreme is hexagonal pole, it has the connecting hole to run through on the hexagonal pole, hexagonal pole overcoat has the tightening sleeve, the tightening sleeve is located cylindrical downthehole bottom, be equipped with the locking hole that corresponds with the connecting hole on the tightening sleeve, be equipped with locking screw in locking hole, the connecting hole, it is equipped with balanced hoist and links together through balanced.
The balance lifting appliance comprises a semicircular upper clamping ring and a semicircular lower clamping ring, a lifting appliance rod is arranged at the top of the semicircular upper clamping ring, butt joint holes are formed in two ends of the semicircular upper clamping ring, counter bores are formed in two ends of the semicircular lower clamping ring, the semicircular upper clamping ring and the semicircular lower clamping ring are sleeved on an operating rod of the electric torque gun, locking bolts are arranged in the counter bores and the butt joint holes, lifting appliance rod holes corresponding to the lifting appliance rod are formed in the rotation stopping plate, and the top of the lifting appliance rod penetrates out of the lifting appliance rod holes and is fixed through screws.
And arc-shaped chamfers are arranged between two adjacent surfaces of the hexagonal holes in the tightening sleeve.
The utility model has the advantages that: the utility model has simple and practical structure, convenient maintenance and low accessory processing cost; the operation is convenient, the device is suitable for large-batch operation, and the torque precision can be ensured.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a hexagonal sleeve;
3 FIG. 3 3 3 is 3 a 3 cross 3- 3 sectional 3 view 3 A 3- 3 A 3 of 3 FIG. 3 1 3; 3
FIG. 4 is a schematic structural view of a lock nut;
FIG. 5 is a schematic structural view of a stop plate;
FIG. 6 is a schematic structural view of a connecting rod;
FIG. 7 is a cross-sectional view taken along line B-B of FIG. 6;
FIG. 8 is a front view of the tightening sleeve;
FIG. 9 is a top view of the tightening sleeve;
fig. 10 is a schematic structural view of a balancing spreader;
in the figure: 1-screwing the sleeve; 2-a hexagonal sleeve; 3-locking the female; 4-top thread; 5-a limiting block; 6-a helical compression spring; 7-a connecting rod; 8-a nut; 9-rotation stopping plate; 10-balancing the spreader; 11-an electric torque gun; 12-a limit ring plate; 13-hexagonal prism holes; 14-cylindrical pore; 15-top thread concave ring; 16-a hexagonal rod; 17-a connection hole; 18-a locking hole; 19-a semicircular upper snap ring; 20-semicircular lower snap ring; 21-spreader bar; 22-a docking hole; 23-countersunk; 24-spreader bar holes;
the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
as shown in fig. 1 to 10, a nut locking device for an electric torque gun convenient for controlling a tightening torque comprises a hexagonal sleeve 2 installed on the electric torque gun 11, the upper end of the hexagonal sleeve 2 penetrates out of a mounting hole of the electric torque gun 11 and is screwed with a nut 3 through threads, a stop ring plate 12 is arranged on the outer wall of the hexagonal sleeve 2, the top of the stop ring plate 12 is tightly attached to the bottom of the electric torque gun 11, a hexagonal prism hole 13 is formed in the bottom of the hexagonal sleeve 2, a cylindrical hole 14 is formed above the hexagonal prism hole 13, a connecting rod 7 penetrates through the hexagonal sleeve 2, the top of the connecting rod 7 penetrates out of the hexagonal sleeve 2, a stop block 5 and a rotation stop plate 9 are sequentially sleeved outside the connecting rod 7, a spiral compression spring 6 is arranged between the stop block 5 and the rotation stop plate 9, a top thread concave ring 15 is arranged on the outer wall of the connecting rod 7 corresponding to the stop block 5, run through on the 5 lateral walls of stopper and have a plurality of jackscrew hole, the jackscrew downthehole jackscrew 4 that is equipped with of stopper 5 and through 4 tight in jackscrew concave ring 15 of jackscrew top realize with connecting rod 7 fixed, connecting rod 7 top is worn out and is only changeed on board 9 and the screw thread has screwed nut 8, connecting rod 7 lower extreme is hexagonal pole 16, run through on hexagonal pole 16 and have connecting hole 17, hexagonal pole 16 overcoat has screwing sleeve 1, screwing sleeve 1 is located cylindrical hole 14 bottom, it is equipped with the locking hole 18 that corresponds with connecting hole 17 on the sleeve 1 to screw up, be equipped with locking screw in locking hole 18, the connecting hole 17, it is equipped with balanced hoist 10 and links together through balanced hoist 10 to only change between board 9 other one end and the electronic moment of torsion rifle 11 operating handle.
And arc-shaped chamfers are arranged between two adjacent surfaces of the hexagonal holes in the tightening sleeve 1.
The utility model discloses the during operation, with tighten the outer hexagonal of sleeve 1 card bumper shock absorber piston rod after, electronic moment of torsion rifle 11 drives 2 rotatory piston rod nuts of hexagonal sleeve, through preset's procedure, screws up piston rod nut behind the within range of settlement stall. The screwing sleeve 1 is connected with a balance hanger 10 through a rotation stopping plate 9 to achieve the purpose of rotation stopping. Hexagonal sleeve 2 is fixed on electronic moment of torsion rifle 11 through lock nut 3, screw up sleeve 1 and connecting rod 7 and pass hexagonal sleeve 2 through pin joint back, utilize stopper 5 will screw up sleeve 1 and connecting rod 7 and connect on electronic moment of torsion rifle 11, stopper 5 then is connected with the contact of connecting rod 7 with jackscrew 4, and spiral compression spring 6 then guarantees to screw up sleeve 1 and keep contacting with the pre-compaction of work piece piston rod when blocking the work piece piston rod hexagonal, and guarantee along with the radial extension requirement of piston rod after the piston rod nut screws up.
The utility model has simple and practical structure, convenient maintenance and low accessory processing cost; the operation is convenient, the device is suitable for large-batch operation, and the torque precision can be ensured.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements made by the method concept and technical solution of the present invention or directly applied to other occasions without improvement are all within the protection scope of the present invention.
Claims (3)
1. The nut locking device for the electric torque gun is convenient for controlling the tightening torque, and is characterized by comprising a hexagonal sleeve (2) installed on the electric torque gun (11), wherein a lock nut (3) is screwed through threads outside a mounting hole of the electric torque gun (11) is penetrated out of the upper end of the hexagonal sleeve (2), a limit ring plate (12) is arranged on the outer wall of the hexagonal sleeve (2), the top of the limit ring plate (12) is tightly attached to the bottom of the electric torque gun (11), hexagonal column holes (13) are formed in the bottom of the hexagonal sleeve (2), cylindrical holes (14) are formed in the upper portions of the hexagonal column holes (13), a connecting rod (7) is penetrated in the hexagonal sleeve (2), the top of the connecting rod (7) is penetrated out of the hexagonal sleeve (2), a limit block (5) and a rotation stopping plate (9) are sequentially sleeved outside the connecting rod (7), a spiral compression spring (6) is arranged between the limit block (5) and the rotation stopping plate (9), the connecting rod (7) is provided with a jackscrew concave ring (15) on the outer wall corresponding to the limiting block (5), a plurality of jackscrew holes are penetrated through the side wall of the limiting block (5), jackscrews (4) are arranged in the jackscrew holes of the limiting block (5) and are tightly pressed in the jackscrew concave ring (15) through the jackscrews (4) to fix the connecting rod (7), the top of the connecting rod (7) penetrates out of the rotation stopping plate (9) and is screwed with a nut (8), the lower end of the connecting rod (7) is a hexagonal rod (16), a connecting hole (17) is penetrated through the hexagonal rod (16), a screwing sleeve (1) is sleeved outside the hexagonal rod (16), the screwing sleeve (1) is positioned at the bottom in the cylindrical hole (14), a locking hole (18) corresponding to the connecting hole (17) is arranged on the screwing sleeve (1), and a locking screw is arranged in the locking hole (18) and the connecting hole (17), a balance lifting appliance (10) is arranged between the other end of the rotation stopping plate (9) and an operating handle of the electric torque gun (11) and is connected together through the balance lifting appliance (10).
2. The nut locking device for an electric torque gun for facilitating control of tightening torque according to claim 1, it is characterized in that the balance lifting appliance (10) comprises a semicircular upper clamping ring (19) and a semicircular lower clamping ring (20), a lifting appliance rod (21) is arranged at the top of the semicircular upper snap ring (19), butt joint holes (22) are respectively arranged at two ends of the semicircular upper snap ring (19), countersunk holes (23) are respectively arranged at the two ends of the semicircular lower snap ring (20), the semicircular upper snap ring (19) and the semicircular lower snap ring (20) are sleeved on an operating rod of the electric torque gun (11), locking bolts are arranged in the counter bores (23) and the butt joint holes (22), a lifting appliance rod hole (24) corresponding to the lifting appliance rod (21) is arranged on the rotation stopping plate (9), the top of the hanger rod (21) penetrates through the hanger rod hole (24) and is fixed through a screw.
3. The nut locking device for electric torque gun convenient to control tightening torque according to claim 2 is characterized in that an arc-shaped chamfer is arranged between two adjacent surfaces of the hexagonal hole in the tightening sleeve (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922046548.0U CN211466179U (en) | 2019-11-25 | 2019-11-25 | Nut locking device for electric torque gun convenient to control tightening torque |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922046548.0U CN211466179U (en) | 2019-11-25 | 2019-11-25 | Nut locking device for electric torque gun convenient to control tightening torque |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211466179U true CN211466179U (en) | 2020-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922046548.0U Active CN211466179U (en) | 2019-11-25 | 2019-11-25 | Nut locking device for electric torque gun convenient to control tightening torque |
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| Country | Link |
|---|---|
| CN (1) | CN211466179U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112247546A (en) * | 2020-10-21 | 2021-01-22 | 罗桃艳 | A utmost point post nut assembly quality for new forms of energy lithium ion power battery makes |
-
2019
- 2019-11-25 CN CN201922046548.0U patent/CN211466179U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112247546A (en) * | 2020-10-21 | 2021-01-22 | 罗桃艳 | A utmost point post nut assembly quality for new forms of energy lithium ion power battery makes |
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