CN210025093U - Self-adaptive electric wrench - Google Patents
Self-adaptive electric wrench Download PDFInfo
- Publication number
- CN210025093U CN210025093U CN201920747050.4U CN201920747050U CN210025093U CN 210025093 U CN210025093 U CN 210025093U CN 201920747050 U CN201920747050 U CN 201920747050U CN 210025093 U CN210025093 U CN 210025093U
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- electric lock
- clamping
- motor
- button
- cam
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Abstract
The utility model provides a self-adaptation electric spanner, relate to spanner instrument technical field, including clamping device and revolve wrong device, clamping device revolves wrong device fixed connection with revolving, it is rotatory to revolve wrong device drive clamping device, clamping device includes the centre gripping shell, the cam, anchor clamps, electric lock post and drive arrangement, clamping device's drive arrangement is rotatory to drive the cam rotatory, the sliding tray sliding connection of anchor clamps and cam, so that the cam is rotatory to drive anchor clamps internal contraction or outer expanding, make anchor clamps adapt to not unidimensional bolt and nut, it is rotatory to revolve wrong device after anchor clamps centre gripping bolt or nut, it is rotatory to drive clamping device, so that bolt or nut are screwed up or unscrew, it does not need to change the centre gripping and connects to revolve wrong bolt and nut of unidimensional, it is very convenient.
Description
Technical Field
The utility model relates to a spanner instrument technical field, concretely relates to self-adaptation electric spanner.
Background
The electric wrench is an electric tool for screwing and unscrewing bolts and nuts, and is mostly used for initial screwing, final screwing and initial screwing of torsional shear type high-strength bolts in the construction of mounting large-hexagon-head high-strength bolts for steel structure bridges, factory buildings, chemical engineering and power generation equipment, and occasions with strict requirements on torque or axial force of bolt fasteners.
The joints of the traditional electric wrench can only be one-to-one, and the joints are usually adapted by adopting a joint changing mode facing nuts and bolts with different sizes, and the joint with one specification can only be suitable for one kind of nut or bolt, so that the electric wrench is very inconvenient.
Disclosure of Invention
In view of the above, there is a need for an adaptive electric wrench suitable for all sizes of nuts and bolts.
A self-adaptive electric wrench comprises a clamping device and a screwing device, wherein the clamping device is fixedly connected with the screwing device, the screwing device rotates to drive the clamping device to rotate, the clamping device comprises a clamping shell, a cam, a clamp, an electric lock cylinder and a driving device, the outer wall of the clamping shell is fixedly connected with the screwing device, the cam, the clamp and the electric lock cylinder are all arranged inside the clamping shell, the clamp is connected with the cam in a sliding mode, one end of the electric lock cylinder is fixedly connected with the cam, the clamp is connected with the electric lock cylinder in a sliding mode in the clamping process, the clamp is fixedly connected with the electric lock cylinder after clamping is finished, and the driving end of the driving device is fixedly connected with the center of the cam; the clamping shell is in a cylindrical shape with an opening at one side, the outer wall of the side opposite to the opening of the clamping shell is fixedly connected with the screwing device, the cam is parallel to the inner wall of the side opposite to the opening of the clamping shell and is in sliding connection with the center of the inner wall, and one end of the electric lock cylinder is fixedly connected with the inner wall of the side opposite to the opening of the clamping shell and is perpendicular to the inner wall; the cam is n-shaped in a star shape, n is a determined number, a sliding groove is formed in the side wall between every two corners of the cam, and the clamp is connected with the sliding groove in a sliding mode in an embedded mode; the utility model discloses a clamp, including the electric lock post, the anchor clamps are fixed on the lateral wall of electric lock post.
Preferably, the clamp comprises a clamping portion, an extending portion and a sliding portion, one end of the sliding portion is slidably connected with the sliding groove in a manner of being embedded into the sliding groove of the cam, the whole sliding portion of the clamping portion is slidably connected with the sliding hole in a manner of penetrating through the sliding hole of the electric lock cylinder in the clamping process, the whole sliding portion of the clamping portion is fixedly connected with the sliding hole in a manner of penetrating through the sliding hole of the electric lock cylinder after clamping is finished, and the clamping portion, the extending portion and the sliding portion are sequentially and fixedly connected.
Preferably, the driving device comprises a first motor, a worm wheel and a worm, the rotating end of the worm wheel is fixedly connected with the center of the cam, the first motor is fixedly connected with the clamping shell, the worm wheel is parallel to the cam, the driving end of the first motor is fixedly connected with the rotating end of the worm, the worm wheel is meshed with the worm, and the first motor drives the cam to rotate through the worm wheel and the worm.
Preferably, it opens and stops including revolving the shell soon to revolve wrong device, the second motor, screw up button and the pine button of revolving, the drive end of second motor and the outer wall fixed connection of clamping device's centre gripping shell, it is rotatory to drive whole clamping device, the second motor sets up revolves the shell inside and with revolving wrong shell inner wall fixed connection soon, screw up the button and the corotation control end electric connection of second motor, the pine button of revolving is connected with the reversal control end electric connection of second motor, screw up the button control second motor corotation and open and stop, the second motor reversal of pine button control is opened and is stopped.
Preferably, the self-adaptive electric wrench further comprises an operating device, the operating device comprises an electric lock button, a power supply, a single chip microcomputer processing unit, an inner contracting button and an outer expanding button, the electric lock button, the inner contracting button and the outer expanding button are all arranged on the screwing shell, the power supply, the electric lock button and the electric lock are electrically connected in sequence, the electric lock button controls the power on and off of the electric lock, the electric lock is powered on, locked and unlocked, a clamp is fixedly connected with an electric lock column in the electric lock locking state, the clamp is slidably connected with the electric lock column in the electric lock unlocking state, a first signal input port of the single chip microcomputer processing unit is electrically connected with the electric lock button, a second signal input port of the single chip microcomputer processing unit is electrically connected with the inner contracting button, a third signal input port of the single chip microcomputer processing unit is electrically connected with the outer expanding button, a first signal output port of the single chip microcomputer processing unit is electrically connected with a first motor, and the electric lock, the single chip microcomputer processing unit locks the first motor to enable the first motor to stop rotating and is not controlled by other keys, signals are transmitted to the single chip microcomputer processing unit when the electric lock keys are in a loose state, the single chip microcomputer processing unit unlocks the first motor to enable the first motor to be controlled by other keys, the inner contracting key is pressed down to transmit the signals to the single chip microcomputer once, the single chip microcomputer processing unit controls the first motor to rotate forwards to determine the number of turns to enable the clamp to contract inwards to determine the distance, the outer expanding key is pressed down to transmit the signals to the single chip microcomputer processing unit once, and the single chip microcomputer processing unit controls the first motor to rotate backwards to determine the number of.
Preferably, the twist casing is shaped like a hand grip.
The utility model adopts the above technical scheme, its beneficial effect lies in: the driving device of the clamping device rotates to drive the cam to rotate, the clamp is connected with the sliding groove of the cam in a sliding mode, so that the cam rotates to drive the clamp to contract inwards or expand outwards, the clamp is made to adapt to bolts and nuts of different sizes, the screwing device rotates after the clamp clamps the bolts or the nuts, the clamping device is driven to rotate, the bolts or the nuts are screwed down or loosened, the bolts and the nuts of different sizes are screwed down, the clamping connector does not need to be replaced, and the clamping device is very convenient.
Drawings
Fig. 1 is a schematic structural diagram of an adaptive electric wrench.
Fig. 2 is a schematic diagram of an internal structure of the adaptive electric wrench.
Fig. 3 is a cross-sectional view of the clamping device.
Fig. 4 is a schematic diagram of the control principle of the adaptive electric wrench.
In the figure: the self-adaptive electric wrench comprises an adaptive electric wrench 10, a clamping device 20, a clamping shell 21, a cam 22, a clamp 23, a clamping part 231, an extending part 232, a sliding part 233, an electric lock cylinder 24, a driving device 25, a first motor 251, a worm wheel 252, a worm 253, a screwing device 30, a screwing shell 31, a second motor 32, an operating device 40, an electric lock button 41, a power supply 42, a single chip microcomputer processing unit 43, a retraction button 44 and an extension button 45.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Referring to fig. 1 to 3, an embodiment of the present invention provides an adaptive electric wrench 10, including a clamping device 20 and a screwing device 30, the clamping device 20 is fixedly connected to the screwing device 30, the screwing device 30 rotates to drive the clamping device 20 to rotate, the clamping device 20 includes a clamping housing 21, a cam 22, a clamp 23, an electric lock cylinder 24 and a driving device 25, an outer wall of the clamping housing 21 is fixedly connected to the screwing device 30, the cam 22, the clamp 23 and the electric lock cylinder 24 are all disposed inside the clamping housing 21, the clamp 23 is slidably connected to the cam 22, one end of the electric lock cylinder 24 is fixedly connected to the cam 22, the clamp 23 is slidably connected to the electric lock cylinder 24 during clamping, the clamp 23 is fixedly connected to the electric lock cylinder 24 after clamping is completed, and a driving end of the driving device 25 is fixedly connected to a center of the cam 22; the clamping shell 21 is in a cylindrical shape with one side opened, the outer wall of the side opposite to the opening of the clamping shell 21 is fixedly connected with the screwing device 30, the cam 22 is parallel to the inner wall of the side opposite to the opening of the clamping shell 21 and is in sliding connection with the center of the inner wall, and one end of the electric lock column 24 is fixedly connected with the inner wall of the side opposite to the opening of the clamping shell 21 and is perpendicular to the inner wall; the cam 22 is in a hexagon star shape, a sliding groove is formed in the side wall between every two corners of the cam 22, and the clamp 23 is in sliding connection with the sliding groove in a mode of being embedded into the sliding groove; the number of the clamp 23 and the number of the electric lock columns 24 are six, and the clamp is used for clamping hexagon bolts or hexagon nuts, the electric lock is fixedly connected with the electric lock at the joint of the electric lock columns 24 and the clamp 23, a sliding hole is formed in the side wall of the electric lock column 24, the clamp 23 is in sliding connection with the sliding hole in a mode of penetrating through the sliding hole in the clamping process, and the clamp 23 is fixedly connected with the sliding hole in a mode of penetrating through the sliding hole after clamping is finished.
Preferably, the clamp 23 includes a clamping portion 231, an extending portion 232 and a sliding portion 233, one end of the sliding portion 233 is slidably connected with the sliding groove in a manner of being embedded in the sliding groove of the cam 22, the whole sliding portion 233 is slidably connected with the sliding hole in a manner of passing through the sliding hole of the electric lock cylinder 24 during clamping, the whole sliding portion 233 is fixedly connected with the sliding hole in a manner of passing through the sliding hole of the electric lock cylinder 24 after clamping is finished, the clamping portion 231, the extending portion 232 and the sliding portion 233 are fixedly connected in sequence, and the length of the extending portion 232 is greater than that of the longest screw, so that the screw is inserted into the extending portion 232 during clamping the nut without affecting clamping the nut.
Further, the driving device 25 comprises a first motor 251, a worm wheel 252 and a worm 253, the first motor 251, the worm wheel 252 and the worm 253 are all arranged outside the clamping shell 21, the first motor 251 is fixedly connected with the outer wall of the clamping shell 21, the worm wheel 252 is parallel to the cam 22, the rotating end of the worm wheel 252 is fixedly connected with the center of the cam 22, the driving end of the first motor 251 is fixedly connected with the rotating end of the worm 253, the worm wheel 252 is connected with the worm 253 in a meshed mode, and the worm 253 drives the cam 22 to rotate through the worm wheel 252 and the worm 253.
Further, the screwing device 30 comprises an screwing shell 31, a second motor 32, a screwing button and an unscrewing button, a driving end of the second motor 32 is fixedly connected with the outer wall of the clamping shell 21 of the clamping device 20 to drive the whole clamping device 20 to rotate, the second motor 32 is arranged inside the screwing shell 31 and fixedly connected with the inner wall of the screwing shell 31, the screwing button is electrically connected with a forward rotation control end of the second motor 32, the unscrewing button is electrically connected with a reverse rotation control end of the second motor 32, the screwing button controls the forward rotation of the second motor 32 to be started or stopped, the unscrewing button controls the reverse rotation of the second motor 32 to be stopped or stopped, and the screwing shell 31 is in a hand-holding shape.
Referring to fig. 4, further, the adaptive electric wrench 10 further includes an operating device 40, the operating device 40 includes an electric lock button 41, a power supply 42, a single-chip processing unit 43, an inner contracting button 44 and an outer expanding button 45, the electric lock button 41, the inner contracting button 44 and the outer expanding button 45 are all disposed on the screwing housing 31, the power supply 42, the electric lock button 41 and the electric lock are electrically connected in sequence, the electric lock button 41 controls the electric lock to be powered on and off, the electric lock is powered on, locked, unlocked, the electric lock is locked, the clamp 23 is fixedly connected with the electric lock cylinder 24, the clamp 23 is slidably connected with the electric lock cylinder 24 in the electric lock unlocking state, a first signal input port of the single-chip processing unit 43 is electrically connected with the electric lock button 41, a second signal input port of the single-chip processing unit 43 is electrically connected with the inner contracting button 44, a third signal input port of the single-chip processing unit 43 is electrically connected with the outer expanding, the first signal output port of the single chip microcomputer processing unit 43 is electrically connected with the first motor 251, the electric lock button 41 transmits a signal to the single chip microcomputer processing unit 43 in a pressed state, the single chip microcomputer processing unit 43 locks the first motor 251 to enable the first motor 251 to stop rotating and is not controlled by other buttons, the electric lock button 41 transmits a signal to the single chip microcomputer processing unit 43 in a released state, the single chip microcomputer processing unit 43 unlocks the first motor 251 to enable the first motor 251 to be controlled by other buttons, the retraction button 44 transmits a signal to the single chip microcomputer once pressed, the single chip microcomputer processing unit 43 controls the first motor 251 to rotate forward to determine the number of turns to enable the clamp 23 to retract one millimeter inwards, the expansion button 45 transmits a signal to the single chip microcomputer processing unit 43 once pressed, the single chip microcomputer processing unit 43 controls the first motor 251 to rotate backward to determine the number of turns to enable the clamp 23 to expand one millimeter outwards, the electric lock button 41 uses a self-locking button.
When the device is used specifically, a user holds the screwing shell 31 by hand, manually judges the specification of a bolt or a nut to be screwed, operates the inward-contraction key 44 and the outward-expansion key 45 to enable the clamp 23 to contract inward or expand outward to an adaptive size, presses the electric lock key 41 to align the clamp 23 to the bolt or the nut to be screwed, presses the unscrewing key or the screwing key after manual judgment, takes down the clamp 23 after screwing is finished, pops up the electric lock key 41, and can also press the inward-contraction key 44 to enable the clamp 23 to contract inward to a minimum size after popping up the electric lock key 41, so that the use is finished.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (6)
1. An adaptive electric wrench, which is characterized in that: the clamping device is fixedly connected with the screwing device, the screwing device rotates to drive the clamping device to rotate, the clamping device comprises a clamping shell, a cam, a clamp, an electric lock cylinder and a driving device, the outer wall of the clamping shell is fixedly connected with the screwing device, the cam, the clamp and the electric lock cylinder are all arranged inside the clamping shell, the clamp is connected with the cam in a sliding mode, one end of the electric lock cylinder is fixedly connected with the cam, the clamp is connected with the electric lock cylinder in a sliding mode in the clamping process, the clamp is fixedly connected with the electric lock cylinder after clamping is finished, and the driving end of the driving device is fixedly connected with the center of the cam; the clamping shell is in a cylindrical shape with an opening at one side, the outer wall of the side opposite to the opening of the clamping shell is fixedly connected with the screwing device, the cam is parallel to the inner wall of the side opposite to the opening of the clamping shell and is in sliding connection with the center of the inner wall, and one end of the electric lock cylinder is fixedly connected with the inner wall of the side opposite to the opening of the clamping shell and is perpendicular to the inner wall; the cam is n-shaped in a star shape, n is a determined number, a sliding groove is formed in the side wall between every two corners of the cam, and the clamp is connected with the sliding groove in a sliding mode in an embedded mode; the utility model discloses a clamp, including the electric lock post, the anchor clamps are fixed on the lateral wall of electric lock post.
2. The adaptive electric wrench of claim 1, wherein: the clamp comprises a clamping portion, an extending portion and a sliding portion, one end of the sliding portion is connected with the sliding groove in a sliding mode in which the sliding groove of the cam is embedded, the whole sliding portion of the clamping portion is connected with the sliding hole in a sliding mode in which the sliding portion penetrates through the sliding hole of the electric lock cylinder in the clamping process, the whole sliding portion of the clamping portion is fixedly connected with the sliding hole in a sliding mode in which the sliding portion penetrates through the sliding hole of the electric lock cylinder after clamping is finished, and the clamping portion, the extending portion and the sliding portion are sequentially and fixedly connected.
3. The adaptive electric wrench of claim 1, wherein: the driving device comprises a first motor, a worm wheel and a worm, the first motor is fixedly connected with the clamping shell, the worm wheel is parallel to the cam, the rotating end of the worm wheel is fixedly connected with the center of the cam, the driving end of the first motor is fixedly connected with the rotating end of the worm, and the worm wheel is meshed with the worm.
4. The adaptive electric wrench of claim 1, wherein: and the screwing device comprises an screwing shell, a second motor, a screwing button and an unscrewing button, the driving end of the second motor is fixedly connected with the outer wall of the clamping shell of the clamping device, the second motor is arranged inside the screwing shell and fixedly connected with the inner wall of the screwing shell, the screwing button is electrically connected with the forward rotation control end of the second motor, the unscrewing button is electrically connected with the reverse rotation control end of the second motor, the screwing button controls the forward rotation of the second motor to be started and stopped, and the unscrewing button controls the reverse rotation of the second motor to be started and stopped.
5. The adaptive electric wrench of claim 4, wherein: the self-adaptive electric wrench also comprises an operating device, the operating device comprises an electric lock button, a power supply, a single chip microcomputer processing unit, an inner contraction button and an outer expansion button, the electric lock button, the inner contraction button and the outer expansion button are all arranged on the screwing shell, the power supply, the electric lock button and the electric lock are sequentially electrically connected, the electric lock button controls the electric lock to be powered on and off, the electric lock is powered on, locked and unlocked, a clamp is fixedly connected with an electric lock column in the electric lock locking state, the clamp is slidably connected with the electric lock column in the electric lock unlocking state, a first signal input port of the single chip microcomputer processing unit is electrically connected with the electric lock button, a second signal input port of the single chip microcomputer processing unit is electrically connected with the inner contraction button, a third signal input port of the single chip microcomputer processing unit is electrically connected with the outer expansion button, a first signal output port of the single chip microcomputer processing unit is electrically connected with a first motor, and the electric lock button, the single chip microcomputer processing unit locks the first motor to enable the first motor to stop rotating and is not controlled by other keys, signals are transmitted to the single chip microcomputer processing unit when the electric lock keys are in a loose state, the single chip microcomputer processing unit unlocks the first motor to enable the first motor to be controlled by other keys, signals are transmitted to the single chip microcomputer processing unit when the inner contracting key is pressed once, the single chip microcomputer processing unit controls the first motor to rotate positively to determine the number of turns to enable the clamp to contract inwards to determine the distance, signals are transmitted to the single chip microcomputer processing unit when the outer expanding key is pressed once, and the single chip microcomputer processing unit controls the first motor to rotate negatively to determine the number of turns to.
6. The adaptive electric wrench of claim 4, wherein: the screwing shell is in a shape of a hand grip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920747050.4U CN210025093U (en) | 2019-05-23 | 2019-05-23 | Self-adaptive electric wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920747050.4U CN210025093U (en) | 2019-05-23 | 2019-05-23 | Self-adaptive electric wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210025093U true CN210025093U (en) | 2020-02-07 |
Family
ID=69367359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920747050.4U Expired - Fee Related CN210025093U (en) | 2019-05-23 | 2019-05-23 | Self-adaptive electric wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210025093U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112959255A (en) * | 2021-02-23 | 2021-06-15 | 王田田 | Electric wrench |
-
2019
- 2019-05-23 CN CN201920747050.4U patent/CN210025093U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112959255A (en) * | 2021-02-23 | 2021-06-15 | 王田田 | Electric wrench |
| CN112959255B (en) * | 2021-02-23 | 2022-12-20 | 王田田 | Electric wrench |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200207 Termination date: 20200523 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |