CN214818185U - Battery anti-falling device of electric wrench - Google Patents
Battery anti-falling device of electric wrench Download PDFInfo
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- CN214818185U CN214818185U CN202121450905.0U CN202121450905U CN214818185U CN 214818185 U CN214818185 U CN 214818185U CN 202121450905 U CN202121450905 U CN 202121450905U CN 214818185 U CN214818185 U CN 214818185U
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- battery
- hook
- locking
- lithium cell
- fixing groove
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Abstract
The utility model relates to an electric wrench, in particular to a battery anti-drop device of the electric wrench, wherein the bottom of the electric wrench is provided with a battery fixing groove, two sides of the battery fixing groove are provided with battery fixing sliders, the bottom of the battery fixing groove is provided with a battery locking groove, and the insertion direction of the battery fixing groove is the same as the direction of the electric wrench inserting to a bolt; the top of lithium cell is equipped with the elasticity hook and the both sides at top all are equipped with the battery insertion groove, and when the lithium cell inserted the battery fixed slot, the battery insertion groove is inserted on the battery fixed slider, the elasticity hook card is in the battery locking inslot. This electric spanner battery anticreep device passes through the slot and realizes being connected of lithium cell and electric spanner to the direction of insertion that makes the lithium cell is the same with electric spanner's working direction, realizes preventing that the lithium cell from droing, and effectively prevents the lithium cell from droing through locking structure, still reduces the influence of vibration to the lithium cell through the shock attenuation pole, and the lithium cell is reliable with electric spanner's being connected.
Description
Technical Field
The utility model relates to an electric wrench, especially electric wrench battery anticreep device.
Background
The electric wrench comprises an electric fixed-torque wrench, the electric fixed-torque wrench is a tool for screwing and unscrewing a railway steel rail bolt and nut, and is a tool for railway engineering electric construction, maintenance and rush-repair operation; the bolt and nut operation method is suitable for bolt and nut operation of existing line reconstruction and newly-built railways. For the convenience of field work, adopt the electronic wrench of deciding torsion of lithium cell more at present, in order to improve the time of work, the lithium cell is detachable, is convenient for change the lithium cell and carries out continuous operation, but because electronic wrench of deciding torsion still has axial impact force, consequently the vibration is very big when using, consequently causes the lithium cell to drop easily, causes the damage of lithium cell easily with the rail collision after the lithium cell drops to work efficiency has been influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model provides a can guarantee the reliability that lithium cell and electric spanner are connected, the electric spanner battery anticreep device that the lithium cell is difficult for droing, concrete technical scheme is:
the battery anti-falling device of the electric wrench is characterized in that a battery fixing groove is formed in the bottom of the electric wrench, battery fixing sliding blocks are arranged on two sides of the battery fixing groove, a battery locking groove is formed in the bottom of the battery fixing groove, and the insertion direction of the battery fixing groove is the same as the direction of the electric wrench for inserting bolts; the top of lithium cell is equipped with the elasticity hook and the both sides at top all are equipped with the battery insertion groove, and when the lithium cell inserted the battery fixed slot, the battery insertion groove is inserted on the battery fixed slider, the elasticity hook card is in the battery locking inslot.
Through adopting above-mentioned technical scheme, the direction of inserting of battery fixed slot is opposite to the direction of bolt with electric spanner's the inserting, the end that inserts of battery fixed slot also is located the motor end, and electric spanner is in vertical state basically during the operation, the direction of inserting of lithium cell is for inserting from the electric spanner's of vertical state top, when electric spanner takes place great vibration, because the direction of inserting of lithium cell is decurrent, and the battery is fixed through the fixed slider of battery and the battery insertion groove realization battery that the symmetry set up, consequently, the phenomenon that becomes flexible and drops can not take place for the lithium cell, good contact has been guaranteed, and the problem that lithium cell and electric spanner break away from has been solved, the lithium cell has effectively been protected.
Preferably, the elastic hook includes: the locking hook comprises a pressing part and a hook part, the pressing part is movably inserted into a pressing hole in the top of the lithium battery, and the hook part is movably inserted into a hook hole in the top of the lithium battery; the locking plate is fixed inside the lithium battery and is arranged opposite to the pressing part of the locking hook; and the locking spring is positioned between the locking plate and the locking hook and is used for keeping the hook part of the locking hook in a state of extending out of the hook hole.
Through adopting above-mentioned technical scheme, the locking hook goes up and down through the locking spring, and presses the convenient inside of impressing the locking hook to the lithium cell of splenium to make hook portion leave the battery locking groove, be convenient for extract the lithium cell, and pack into the lithium cell after with the lithium cell locking in the battery insertion groove, prevent that the lithium cell from droing.
The pressing portion is provided with a spring fixing groove, and one end of the locking spring is inserted into the spring fixing groove.
Through adopting above-mentioned technical scheme, the convenient fixed spring of spring fixed slot prevents between locking spring roll-off locking hook and the lockplate.
Furthermore, a plurality of sliding grooves are formed in the end portion of the hook portion, and the sliding grooves are arranged along the lifting direction of the hook portion.
Through adopting above-mentioned technical scheme, the sliding tray reduces with the area of contact in hook hole, reduces frictional force, and it is laborsaving when making to press the locking hook, avoids the locking hook card to die in the hook hole.
Preferably, still include the shock attenuation pole, the shock attenuation pole is made for elastic material, the shock attenuation pole is fixed in the shock attenuation fixed slot of battery fixed slot bottom.
Through adopting above-mentioned technical scheme, the shock attenuation pole is polyurethane elastic rod, rubber pole, silica gel pole etc. has elasticity, compresses tightly the lithium cell on battery fixed sliding block, reduces the vibration.
Compared with the prior art the utility model discloses following beneficial effect has:
the utility model provides an electric spanner battery anticreep device realizes being connected of lithium cell and electric spanner through the slot to make the direction of insertion of lithium cell the same with electric spanner's direction of work, realize preventing that the lithium cell from droing, and effectively prevent through locking structure that the lithium cell from droing, still reduce the influence of vibration to the lithium cell through the shock attenuation pole, the lithium cell is reliable with electric spanner's being connected.
Drawings
FIG. 1 is a schematic view of a lithium battery insertion electric wrench;
FIG. 2 is a schematic diagram of a lithium battery mounted on the electric wrench;
FIG. 3 is a schematic diagram of a lithium battery;
fig. 4 is an exploded structural view of a lithium battery;
FIG. 5 is a schematic view of the structure of the locking hook;
fig. 6 is a structural view illustrating a battery fixing groove of the electric wrench;
fig. 7 is an enlarged schematic view of a battery fixing groove.
Detailed Description
The present invention will now be further described with reference to the accompanying drawings.
As shown in fig. 1 to 7, in the battery anti-disengaging device for an electric wrench, a battery fixing groove 51 is formed at the bottom of an electric wrench 5, battery fixing sliders 52 are symmetrically arranged at both sides of the battery fixing groove 51, a battery locking groove 53 is formed at the bottom of the battery fixing groove 51, and the insertion direction of the battery fixing groove 51 is the same as the direction in which the electric wrench 5 is inserted into a bolt; the top of lithium cell 1 is equipped with elastic hook 3 and the bilateral symmetry at top is equipped with battery insertion groove 11, and when lithium cell 1 inserted battery fixed slot 51, battery insertion groove 11 inserted on battery fixed slider 52, and elastic hook 3 card is in battery locking groove 53.
The direction of inserting of battery fixed slot 51 is the same to the direction of bolt with inserting of electric spanner 5, that is to say that the end of inserting of battery fixed slot 51 is located the motor end, and electric spanner 5 is in vertical state basically during the operation, the direction of inserting of lithium cell 1 is for inserting from the top of the electric spanner 5 of vertical state, when electric spanner 5 takes place great vibration, because the direction of inserting of lithium cell 1 is decurrent, and battery fixed slot 51 is not logical groove, and realize lithium cell 1's fixed through the battery fixed sliding block 52 and the battery insertion groove 11 that the symmetry set up, consequently, lithium cell 1 can not take place not hard up and the phenomenon that drops, good contact has been guaranteed, and the problem that lithium cell 1 and electric spanner 5 break away from has been solved, lithium cell 1 has effectively been protected.
As shown in fig. 4, the lithium battery 1 includes a top cap 10, a bottom cap 20, and a battery pack, the top cap 10 being fixed to the bottom cap 20, the battery pack being located inside the top cap 10 and the bottom cap 20. The pressing hole 12 and the hook hole 13 are both provided at the top of the top cover 10, the battery insertion grooves 11 are symmetrically provided at both sides of the top cover 10, and the elastic hook 3 is also installed on the top cover 10 and located inside the top cover 10.
The battery fixing slider 52 and the battery insertion groove 11 may be reversed, that is, the battery fixing slider 52 may be disposed at both sides of the top of the lithium battery 1, and the battery insertion groove 11 may be disposed at both sides of the battery fixing groove 51.
Specifically, the elastic hook 3 includes a locking hook 31, a locking plate 32, and a locking spring 33; the locking hook 31 comprises a pressing part 311 and a hook part 312, the pressing part 311 is movably inserted into the pressing hole 12, the hook part 312 is movably inserted into the hook hole 13, and the surface of the hook part 312 opposite to the battery fixing groove 51 is provided with an inclined surface or an arc surface for automatically pressing the hook part 312 into the top cover 10; the locking plate 32 is fixed inside the top cover 10 by a tapping screw, and is disposed opposite to the pressing portion 311 of the locking hook 31; and a locking spring 33, the locking spring 33 being positioned between the locking plate 32 and the locking hook 31 for keeping the hook portion 312 of the locking hook 31 in a state of protruding out of the hook hole 13.
The locking hook 31 is lifted up and down by the locking spring 33, and the pressing part 311 conveniently presses the locking hook 31 into the lithium battery 1, so that the hook part 312 is separated from the battery locking groove 53, the lithium battery 1 is conveniently pulled out, and the lithium battery 1 is locked in the battery insertion groove 11 after the lithium battery 1 is assembled, and the lithium battery 1 is prevented from falling off.
As shown in fig. 5, the pressing portion 311 is provided with a ring-shaped spring fixing groove 313, and one end of the locking spring 33 is inserted into the spring fixing groove 313. The spring fixing groove 313 facilitates fixing the spring, preventing the locking spring 33 from slipping out between the locking hook 31 and the locking plate 32.
The end of the battery fixing slide block 52 is provided with an arc surface or an inclined surface for guiding, and the end of the battery insertion slot 11 is also provided with an arc surface or an inclined surface for guiding, so that the lithium battery 1 can be conveniently installed.
In some embodiments, the end of the hook 312 is provided with a plurality of sliding grooves 314, and the sliding grooves 314 are arranged along the lifting direction of the hook 312.
The sliding groove 314 reduces the contact area with the hook hole 13 and the friction force, so that labor is saved when the locking hook 31 is pressed, and the locking hook 31 is prevented from being locked in the hook hole 13.
In some embodiments, a damper rod 6 is further included, the damper rod 6 is made of an elastic material, and the damper rod 6 is fixed in a damper fixing groove 54 formed at the bottom of the battery fixing groove 51.
The shock absorption rod 6 is a circular polyurethane elastic rod, a rubber rod, a silicon rod and the like, has elasticity, and compresses the lithium battery 1 on the battery fixing slide block 52 to reduce vibration. The contact area of the round rod and the lithium battery 1 is small, the friction force is small, the lithium battery 1 can be conveniently plugged and pulled out, and meanwhile, enough elastic support can be improved.
When the lithium battery 1 is loaded, the battery insertion groove 11 of the lithium battery 1 is aligned with the battery fixing slider 52, then the lithium battery 1 is inserted into the battery fixing groove 51, the elastic hook 3 is pressed into the lithium battery 1, after the lithium battery 1 is inserted into the battery fixing groove 51, the battery fixing slider 52 is positioned in the battery insertion groove 11 of the lithium battery 1, the hook part 312 of the elastic hook 3 is inserted into the battery locking groove 53, the shock absorption rod 6 compresses the lithium battery 1 on the battery fixing slider 52, the gap between the battery insertion groove 11 and the battery fixing slider 52 is eliminated, and vibration is reduced.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the claims of the present invention.
Claims (5)
1. The anti-falling device for the battery of the electric wrench is characterized in that a battery fixing groove is formed in the bottom of the electric wrench, battery fixing sliding blocks are arranged on two sides of the battery fixing groove, a battery locking groove is formed in the bottom of the battery fixing groove, and the insertion direction of the battery fixing groove is the same as the direction of the electric wrench for inserting the bolt;
the top of lithium cell is equipped with the elasticity hook and the both sides at top all are equipped with the battery insertion groove, and when the lithium cell inserted the battery fixed slot, the battery insertion groove is inserted on the battery fixed slider, the elasticity hook card is in the battery locking inslot.
2. The electric wrench battery disengagement prevention device according to claim 1, wherein the elastic hook comprises:
the locking hook comprises a pressing part and a hook part, the pressing part is movably inserted into a pressing hole in the top of the lithium battery, and the hook part is movably inserted into a hook hole in the top of the lithium battery;
the locking plate is fixed inside the lithium battery and is arranged opposite to the pressing part of the locking hook;
and a locking spring positioned between the locking plate and the locking hook for keeping a hook portion of the locking hook in a state of being protruded out of the hook hole.
3. The electric wrench battery escape prevention device as claimed in claim 2, wherein the pressing portion is provided with a spring fixing groove into which one end of the locking spring is inserted.
4. The device for preventing the battery of the electric wrench according to claim 2, wherein the hook portion has a plurality of sliding grooves formed at an end thereof, and the sliding grooves are formed along a lifting direction of the hook portion.
5. The electric wrench battery anti-loosening device according to any one of claims 1 to 4, further comprising a damping rod made of an elastic material and fixed in a damping fixing groove at the bottom of the battery fixing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121450905.0U CN214818185U (en) | 2021-06-28 | 2021-06-28 | Battery anti-falling device of electric wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121450905.0U CN214818185U (en) | 2021-06-28 | 2021-06-28 | Battery anti-falling device of electric wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214818185U true CN214818185U (en) | 2021-11-23 |
Family
ID=78811059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121450905.0U Active CN214818185U (en) | 2021-06-28 | 2021-06-28 | Battery anti-falling device of electric wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214818185U (en) |
-
2021
- 2021-06-28 CN CN202121450905.0U patent/CN214818185U/en active Active
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