CN211841746U - Electric spanner - Google Patents
Electric spanner Download PDFInfo
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- CN211841746U CN211841746U CN201922348481.6U CN201922348481U CN211841746U CN 211841746 U CN211841746 U CN 211841746U CN 201922348481 U CN201922348481 U CN 201922348481U CN 211841746 U CN211841746 U CN 211841746U
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- transmission
- driving
- electric wrench
- fastening device
- fastening
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Abstract
The utility model discloses an electric wrench, including the shell, and install in drive arrangement, transmission and fastener in the shell, wherein, transmission respectively with drive arrangement, fastener mesh mutually, are used for enlargiing drive arrangement's moment of torsion, and drive fastener fastens the operation to the nut. The utility model discloses a transmission enlargies drive arrangement's moment of torsion, and the drive fastener fastens the operation to the nut, has realized that small-size motor can provide the function of big moment of torsion to reduced electric wrench's volume, solved among the prior art electric wrench or manual spanner bulky, required great operating space, technical problem that work efficiency is low.
Description
Technical Field
The utility model relates to a spanner technical field, in particular to electric spanner.
Background
The existing automatic wrenches are gun type tighteners, nuts or bolts are tightened or loosened by utilizing sleeves, power sources are pneumatic or electric, and the nuts of different specifications are adapted by replacing the sleeves.
The existing gun type automatic wrench has certain requirements on an operation space, particularly needs a larger operation space right above a bolt or a nut, and limits the application scene of the automatic wrench when the space above the nut or the bolt is narrow; the manual wrench needs to have a large operation space on the same plane of the nut, otherwise the work efficiency is greatly reduced, or the manual wrench cannot be operated directly, and when the manual wrench is matched with the sleeve to work, the manual wrench also needs to have a large operation space right above the nut.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides an electric wrench, aims at reducing electric wrench's volume, and electric wrench or manual spanner are bulky among the solution prior art, need great operating space, technical problem that work efficiency is low.
In order to achieve the above object, the present invention provides an electric wrench, which comprises a housing, and a driving device, a transmission device and a fastening device installed in the housing, wherein the transmission device is respectively engaged with the driving device and the fastening device for amplifying the torque of the driving device and driving the fastening device to fasten the nut.
The utility model discloses a further technical scheme is, drive arrangement include driving motor, with the drive gear of driving motor linkage.
The utility model discloses a further technical scheme is, transmission includes two sets of drive mechanism that set up relatively, every group drive mechanism include drive gear, with drive gear fixed connection's transfer line, install in worm on the transfer line, drive gear with drive gear meshes mutually, fastener is located between two worms, just fastener with two worms mesh mutually.
The utility model discloses a further technical scheme is, fastener's centre seted up with the draw-in groove of nut looks adaptation.
The utility model discloses a further technical scheme is, fastener's periphery is provided with bolt fastener, bolt fastener with two worms mesh mutually.
The utility model discloses a further technical scheme is, fastener in bolt fastener with the fixed spout of bolt fastener has been seted up between the draw-in groove.
The utility model discloses a further technical scheme is, still including being used for the drive the power and the drive circuit of motor motion.
The utility model discloses a further technical scheme is, be provided with the speed governing switch on the shell.
The utility model has the advantages that: the utility model discloses electric spanner's beneficial effect is: the utility model adopts the technical scheme that the device comprises a shell, and a driving device, a transmission device and a fastening device which are arranged in the shell; the transmission device is respectively meshed with the driving device and the fastening device and used for amplifying the torque of the driving device and driving the fastening device to fasten the nut, so that the function that the small motor can provide large torque is realized, the size of the electric wrench is reduced, and the technical problems that the electric wrench or the manual wrench in the prior art is large in size, large in operation space and low in working efficiency are solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of a driving device, a transmission device and a fastening device of a preferred embodiment of the electric wrench of the present invention;
FIG. 2 is a schematic view of the internal structure of the preferred embodiment of the electric wrench;
fig. 3 is a schematic view of a housing structure of the electric wrench according to the preferred embodiment of the present invention.
The reference numbers illustrate:
10-shell, driving motor-20, driving gear-30, transmission gear-40, transmission rod-50, worm-60, clamping groove-70, bolt fastener-80, bolt fastener fixing sliding groove-90, driving circuit-100 and switch-110.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Consider that present electric wrench or manual spanner are bulky, need great operating space, work efficiency is low, from this, the utility model provides a solution, the utility model discloses the technical scheme who adopts mainly is the structure of improving traditional device, designs neotype fastener simultaneously, has realized the feasibility of operating at the rotatory coplanar of bolt, and the condition emergence that fastener can lose power when rotatory meetting the breach has been solved in the transmission pole simultaneous transmission of both sides, through twice speed reduction of transmission, has enlarged the moment of torsion, has realized that small-size motor can provide the function of big moment of torsion, has realized the miniaturization of device.
Specifically, please refer to fig. 1 to 3, the present invention provides an electric wrench, wherein fig. 1 is a schematic structural diagram of a driving device, a transmission device and a fastening device of the preferred embodiment of the electric wrench, fig. 2 is a schematic structural diagram of an internal structure of the preferred embodiment of the electric wrench, and fig. 3 is a schematic structural diagram of a housing of the preferred embodiment of the electric wrench.
As shown in fig. 1 to 3, in the present embodiment, the electric wrench includes a housing 10, and a driving device, a transmission device, and a fastening device installed in the housing 10.
The transmission device is respectively engaged with the driving device and the fastening device and is used for amplifying the torque of the driving device and driving the fastening device to fasten the nut.
This embodiment is passed through transmission enlargies drive arrangement's moment of torsion, and the drive fastener fastens the operation to the nut, has realized that small motor can provide the function of big moment of torsion to reduced electric wrench's volume, solved among the prior art electric wrench or manual spanner bulky, need great operating space, technical problem that work efficiency is low.
Further, as an embodiment, in the present embodiment, the driving device includes a driving motor 20 and a driving gear 30 linked with the driving motor 20.
The transmission device comprises two groups of transmission mechanisms which are oppositely arranged, each group of transmission mechanism comprises a transmission gear 40, a transmission rod 50 fixedly connected with the transmission gear 40 and a worm 60 arranged on the transmission rod 50, the transmission gear 40 is meshed with the driving gear 30, the fastening device is positioned between the two worms 60, and the fastening device is meshed with the two worms 60.
And a clamping groove 70 matched with the nut is formed in the middle of the fastening device. The fastening device can be formed by modifying a worm wheel with a hollow middle part, the fastening devices with different grooves and different sizes can be replaced to operate nuts with different models, the periphery of the fastening device is provided with a bolt fastener 80, and the bolt fastener 80 is meshed with the two worms 60. The fastening device is provided with a bolt fastener fixing sliding groove 90 between the bolt fastener 80 and the clamping groove 70.
Further, the motor comprises a power supply and a driving circuit 100 for driving the motor to move, a speed regulating switch 110 connected with the power supply is arranged on the shell 10, and the rotating speed can be regulated by regulating the opening and closing size of the speed regulating switch 110. Wherein, the power supply can adopt a lithium battery.
The structure and the working principle of the electric wrench of the present invention are further explained in detail below.
The utility model discloses electric spanner includes lithium cell, drive arrangement, transmission and fastener. The driving device comprises a driving motor 20 and a driving gear 30, and the transmission device comprises a transmission gear 40, a transmission rod 50 and a worm 60. The fastening device can be formed by modifying a worm wheel with a hollow middle part, and the fastening device can be replaced according to nuts with different sizes. The lithium battery provides electric energy, the control circuit drives the motor 20 to provide power to drive the driving gear 30 to rotate, the driving gear 30 is meshed with the transmission gear 40 to transmit movement and amplify torque, the rotation movement and the torque are transmitted to the worm 60 through the transmission rod 50, the worm 60 and the bolt fastener 80 are meshed to amplify the rotation movement and the torque and transmit the amplified rotation and torque to the fastening device, and the fastening device is driven to rotate to perform fastening operation on the nut. The speed regulating switch 110 is controlled to control the rotating speed, the forward rotation, the reverse rotation and the start and stop of the motor through the driving circuit 100, so that the purposes of controlling the rotating speed, the forward rotation, the reverse rotation and the start and stop of the fastening device are achieved.
The utility model discloses electric spanner's beneficial effect is: the utility model adopts the technical scheme that the device comprises a shell, and a driving device, a transmission device and a fastening device which are arranged in the shell; the transmission device is respectively meshed with the driving device and the fastening device and used for amplifying the torque of the driving device and driving the fastening device to fasten the nut, so that the function that the small motor can provide large torque is realized, the size of the electric wrench is reduced, and the technical problems that the electric wrench or the manual wrench in the prior art is large in size, large in operation space and low in working efficiency are solved.
The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.
Claims (7)
1. An electric wrench, comprising a housing, and a driving device, a transmission device, and a fastening device installed in the housing,
the transmission device is respectively engaged with the driving device and the fastening device and is used for amplifying the torque of the driving device and driving the fastening device to fasten the nut.
2. The power wrench as claimed in claim 1, wherein the driving means includes a driving motor, a driving gear linked with the driving motor.
3. The electric wrench as claimed in claim 2, wherein the transmission device comprises two sets of transmission mechanisms disposed oppositely, each set of transmission mechanism comprises a transmission gear, a transmission rod fixedly connected with the transmission gear, and a worm mounted on the transmission rod, the transmission gear is engaged with the driving gear, the fastening device is located between the two worms, and the fastening device is engaged with the two worms.
4. The electric wrench as claimed in claim 3, wherein the fastening device has a slot formed in the middle thereof for engaging with the nut.
5. The electric wrench as claimed in claim 4, wherein the fastening means is provided at an outer periphery thereof with a bolt fastener which is engaged with the two worms.
6. The electric wrench as claimed in claim 5, wherein the fastening device has a bolt fastening sliding slot between the bolt fastening member and the engaging slot.
7. The electric wrench as claimed in any one of claims 1 to 6, wherein the housing is provided with a speed regulating switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922348481.6U CN211841746U (en) | 2019-12-24 | 2019-12-24 | Electric spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922348481.6U CN211841746U (en) | 2019-12-24 | 2019-12-24 | Electric spanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211841746U true CN211841746U (en) | 2020-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922348481.6U Active CN211841746U (en) | 2019-12-24 | 2019-12-24 | Electric spanner |
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|---|---|
| CN (1) | CN211841746U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110919582A (en) * | 2019-12-24 | 2020-03-27 | 深圳职业技术学院 | Electric spanner |
| CN114102499A (en) * | 2021-12-24 | 2022-03-01 | 无锡承方科技有限公司 | Bolt fastening device |
-
2019
- 2019-12-24 CN CN201922348481.6U patent/CN211841746U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110919582A (en) * | 2019-12-24 | 2020-03-27 | 深圳职业技术学院 | Electric spanner |
| CN114102499A (en) * | 2021-12-24 | 2022-03-01 | 无锡承方科技有限公司 | Bolt fastening device |
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