CN210389019U

CN210389019U - Precision nut wrench

Info

Publication number: CN210389019U
Application number: CN201921186839.3U
Authority: CN
Inventors: 田柬泽; 杨自树
Original assignee: Chongqing Yaxin Automation Equipment Co Ltd
Current assignee: Chongqing Yaxin Automation Equipment Co Ltd
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-04-24
Anticipated expiration: 2029-07-26

Abstract

The utility model discloses an accurate nut spanner, including equipment principal, equipment principal's bottom is provided with the safety cover, the motor is installed to the inside bottom of safety cover, the output of motor is provided with the third pivot, the one end that the motor was kept away from in the third pivot is provided with second bevel gear, second bevel gear's top is provided with the second pivot, the outside of second pivot is provided with first bevel gear. The utility model discloses a drive first pivot from the driving wheel and rotate, screw up or unscrew the nut, make nut spanner use more laborsavingly, and make the nut screw up or unscrew the effect better, and drive nut spanner through the motor and rotate the nut, make the speed of twisting and moving accelerate, improved work efficiency, and through the fixture block and "U" type draw-in groove that set up, nut spanner's opening or the change of trepanning department are more convenient, make nut spanner's result of use better.

Description

Precision nut wrench

Technical Field

The utility model relates to a daily instrument technical field specifically is an accurate nut spanner.

Background

The wrench is a common mounting and dismounting tool, and is a manual tool for screwing bolts, screws, nuts and other threads to fasten the opening or trepanning firmware of the bolts or nuts by utilizing the lever principle.

However, when the nut is screwed, the existing nut wrench needs to be pulled with great force, so that the nut wrench is laborious to use, the nut screwing or unscrewing effect is poor, the screwing speed of the existing nut wrench is slow during working, the working efficiency is reduced, and the opening or the sleeve hole of the existing nut wrench is inconvenient to replace, so that the using effect of the nut wrench is poor.

Disclosure of Invention

An object of the utility model is to provide an accurate nut spanner to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a precise nut wrench comprises a device body, wherein a protective cover is arranged at the bottom of the device body, a motor is installed at the bottom end inside the protective cover, a third rotating shaft is arranged at the output end of the motor, a second bevel gear is arranged at one end, far away from the motor, of the third rotating shaft, a second rotating shaft is arranged above the second bevel gear, a first bevel gear is arranged outside the second rotating shaft, a driving wheel is arranged at one side, far away from the first bevel gear, of the second rotating shaft, a loop bar is arranged at the top of the protective cover, a supporting block is arranged at one side of the loop bar, a connecting block is arranged at one side, far away from the loop bar, of the supporting block, a convex block is arranged at one side, close to the supporting block, clamping blocks are arranged at the top and the bottom of the convex block, and a first rotating shaft penetrating to, and a driven wheel is arranged on the outer side of the first rotating shaft.

Preferably, one side of the supporting block, which is close to the connecting block, is provided with a groove, the top end and the bottom end of the inner side of the groove are both provided with clamping grooves matched with the clamping blocks, and the protruding block is detachably connected with the supporting block through the mutual matching of the clamping blocks and the clamping grooves.

Preferably, the bottom of loop bar and the top intercommunication of safety cover, and the inside one side of keeping away from the supporting shoe of loop bar is provided with the bearing frame, one side that the bearing frame is close to first pivot is provided with the bearing, first pivot is connected with the loop bar rotation through mutually supporting of bearing and bearing frame.

Preferably, the inboard both ends of safety cover all are provided with the bearing frame, and the bearing frame all is provided with the bearing near one side of second pivot, the second pivot is connected with the safety cover rotation through mutually supporting of bearing and bearing frame.

Preferably, the first bevel gear and the second bevel gear are arranged at a right angle, and the first bevel gear and the second bevel gear are meshed with each other.

Preferably, a chain is arranged between the driving wheel and the driven wheel, and the driving wheel is rotatably connected with the driven wheel through the chain.

Preferably, the clamping groove is of a U-shaped structure, and one side, away from the supporting block, of the connecting block is provided with a sleeve hole.

Compared with the prior art, the beneficial effects of the utility model are that: this kind of precision nut spanner passes through the motor and drives the rotation of third pivot, thereby it rotates to drive second bevel gear, through second bevel gear and first bevel gear intermeshing, thereby it rotates to drive the second pivot, make the epaxial action wheel of second pivot drive the chain and rotate, thereby it rotates to drive from the driving wheel, make from the epaxial first pivot of driving rotation, screw up or unscrew the nut, it is more laborsaving to make nut spanner use, and it is better to make the effect that the nut was screwed up or was unscrewed, and drive nut spanner through the motor and rotate the nut, make the speed of twisting move accelerate, work efficiency is improved, and through fixture block and the "U" type draw-in groove that sets up, nut spanner's opening or the change of trepanning department are more convenient, make nut spanner's result of use better.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic structural view of the present invention;

FIG. 4 is a schematic structural view of the trepan boring of the present invention;

fig. 5 is an enlarged view of the present invention a;

fig. 6 is a schematic structural diagram of the clamping groove of the present invention.

In the figure: 1. an apparatus main body; 2. a first rotating shaft; 3. a driven wheel; 4. a second rotating shaft; 5. a driving wheel; 6. a first bevel gear; 7. a motor; 8. a third rotating shaft; 9. a second bevel gear; 10. a protective cover; 11. a loop bar; 12. a support block; 13. connecting blocks; 14. a raised block; 15. a clamping block; 16. a card slot; 17. and (5) trepanning.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides an embodiment: a precision nut wrench comprises a device body 1, a protective cover 10 is arranged at the bottom of the device body 1, a motor 7 (model is S6R06 GXCE) is installed at the bottom end inside the protective cover 10, a third rotating shaft 8 is arranged at the output end of the motor 7, a second bevel gear 9 is arranged at one end, away from the motor 7, of the third rotating shaft 8, a second rotating shaft 4 is arranged above the second bevel gear 9, a first bevel gear 6 is arranged at the outer side of the second rotating shaft 4, a driving wheel 5 is arranged at one side, away from the first bevel gear 6, of the second rotating shaft 4, a loop bar 11 is arranged at the top of the protective cover 10, a supporting block 12 is arranged at one side of the loop bar 11, a connecting block 13 is arranged at one side, away from the loop bar 11, a convex block 14 is arranged at one side of the connecting block 13, clamping blocks 15 are arranged at the top and the bottom of the convex block 14, a first rotating shaft 2 penetrating, a driven wheel 3 is arranged outside the first rotating shaft 2.

The utility model discloses a motor 7 drives third pivot 8 and rotates to drive second bevel gear 9 and rotate, through

second bevel gear

9 and 6 intermeshing of first bevel gear, thereby drive second pivot 4 and rotate, make the action wheel 5 in the second pivot 4 drive the chain and rotate, thereby drive from the driving wheel 3 and rotate, make from the rotation of the first pivot 2 on the driving wheel 3, screw up or unscrew the nut, make the nut spanner use more laborsavingly.

Please refer to fig. 1, 5 and 6 in detail, a groove is disposed on one side of the supporting block 12 close to the connecting block 13, a slot 16 matched with the latch 15 is disposed on the top and bottom of the inner side of the groove, and the protruding block 14 is detachably connected to the supporting block 12 through the mutual matching of the latch 15 and the slot 16.

This kind of precision nut spanner makes protruding piece 14 remove in the recess through set up the recess on supporting shoe 12, and sets up draw-in groove 16 through top and bottom at the recess, makes fixture block 15 on protruding piece 14 remove in draw-in groove 16 to better change connecting block 13.

Please refer to fig. 1 and 3 in detail, the bottom of the loop bar 11 is communicated with the top of the protection cover 10, and a bearing seat is disposed on a side of the interior of the loop bar 11 away from the supporting block 12, a bearing is disposed on a side of the bearing seat close to the first rotating shaft 2, and the first rotating shaft 2 is rotatably connected with the loop bar 11 through the mutual fit of the bearing and the bearing seat.

This kind of precision nut spanner makes first pivot 2 rotate with loop bar 11 through mutually supporting of bearing and bearing frame and is connected through the inside at loop bar 11 bearing frame to reduced frictional force, made first pivot 2 pivoted effects better.

Please refer to fig. 1 and 3 in detail, the two ends of the inner side of the protection cover 10 are both provided with bearing seats, and one side of the bearing seat close to the second rotating shaft 4 is both provided with bearings, and the second rotating shaft 4 is rotatably connected with the protection cover 10 through the mutual matching of the bearings and the bearing seats.

This kind of precision nut spanner makes second pivot 4 rotate with safety cover 10 through mutually supporting of bearing and bearing frame and be connected through setting up the bearing frame in the inside of safety cover 10, has reduced frictional force, makes 4 pivoted effects of second pivot better.

Referring now to fig. 1 and 3 in greater detail, the first bevel gear 6 and the second bevel gear 9 are arranged at right angles and the first bevel gear 6 and the second bevel gear 9 are in mesh with each other.

This kind of precision nut spanner is through being the right angle range with first conical gear 6 and second conical gear 9, and first conical gear 6 and second conical gear 9 intermeshing to better drive second pivot 4 and rotate.

Please refer to fig. 1 and 3 in detail, a chain is arranged between the driving wheel 5 and the driven wheel 3, the driving wheel 5 is rotatably connected with the driven wheel 3 through the chain, the clamping groove 16 is in a U-shaped structure, and one side of the connecting block 13 away from the supporting block 12 is provided with a trepan boring 17.

This kind of precision nut spanner passes through the chain and connects action wheel 5 with follow driving wheel 3 to better drive 2 rotations of first pivot, and through setting draw-in groove 16 to "U" type structure, make draw-in groove 16 better to the fixed effect of chuck block 15.

The working principle is as follows: before use, the first rotating shaft 2 is extended into the sleeve rod 11, one end of the first rotating shaft 2 is connected with a bearing seat in the sleeve rod 11, the first rotating shaft 2 is rotatably connected with the sleeve rod 11 through the mutual matching of a bearing and the bearing seat, the driven wheel 3 is arranged on the outer side of the first rotating shaft 2, the driven wheel 3 is positioned in the sleeve rod 11, a supporting block 12 is welded at the tail end of the first rotating shaft 2, then the second rotating shaft 4 is arranged on the top end in the protective cover 10 through the bearing seat, the second rotating shaft 4 is rotatably connected with the protective cover 10 under the mutual matching of the bearing seat and the bearing, the driving wheel 5 and the first bevel gear 6 are arranged on the outer side of the second rotating shaft 4, the driving wheel 5 is connected with the driven wheel 3 through a chain, then the third rotating shaft 8 is arranged at the output end of the motor 7, and the second bevel gear 9 is arranged on the top end of the third, the first bevel gear 6 and the second bevel gear 9 are meshed with each other, one side of the connecting block 13, which is provided with the convex block 14, is aligned with the groove of the supporting block 12, the convex block 14 is moved to one side of the groove, the clamping block 15 is moved on the clamping groove 16, when the connecting block 13 is moved to a certain position, the clamping block 15 is clamped through the special structure of the clamping groove 16, so that the installation is completed, when the nut is used, the nut is placed at a specified position, the nut is clamped through the trepanning 17 on the connecting block 13, then a power supply is switched on, the motor 7 drives the third rotating shaft 8 to rotate, so as to drive the second bevel gear 9 to rotate, the second bevel gear 9 and the first bevel gear 6 are meshed with each other, so as to drive the second rotating shaft 4 to rotate, the driving wheel 5 and the chain to rotate, so as to drive the driven wheel 3 to rotate, so as to drive the driven, thereby drive connecting block 13 and trepanning 17 and rotate, screw up the nut, make nut spanner's result of use better.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a precision nut spanner, includes equipment main part (1), its characterized in that: the bottom of the equipment body (1) is provided with a protective cover (10), a motor (7) is installed at the bottom end inside the protective cover (10), the output end of the motor (7) is provided with a third rotating shaft (8), one end, far away from the motor (7), of the third rotating shaft (8) is provided with a second bevel gear (9), a second rotating shaft (4) is arranged above the second bevel gear (9), a first bevel gear (6) is arranged on the outer side of the second rotating shaft (4), one side, far away from the first bevel gear (6), of the second rotating shaft (4) is provided with a driving wheel (5), the top of the protective cover (10) is provided with a loop bar (11), one side of the loop bar (11) is provided with a supporting block (12), one side, far away from the loop bar (11), of the supporting block (12) is provided with a connecting block (13), one side, close to the supporting block (12), of the connecting, the top and the bottom of the protruding block (14) are provided with clamping blocks (15), one side, away from the connecting block (13), of the supporting block (12) is provided with a first rotating shaft (2) penetrating to one side inside the loop bar (11), and the outer side of the first rotating shaft (2) is provided with a driven wheel (3).

2. A precision nut runner according to claim 1, wherein: one side of the supporting block (12) close to the connecting block (13) is provided with a groove, the top end and the bottom end of the inner side of the groove are both provided with clamping grooves (16) matched with the clamping blocks (15), and the protruding block (14) is detachably connected with the supporting block (12) through the mutual matching of the clamping blocks (15) and the clamping grooves (16).

3. A precision nut runner according to claim 1, wherein: the bottom of loop bar (11) and the top intercommunication of safety cover (10), and the inside one side of keeping away from supporting shoe (12) of loop bar (11) is provided with the bearing frame, one side that the bearing frame is close to first pivot is provided with the bearing, first pivot is connected with loop bar (11) rotation through mutually supporting of bearing and bearing frame.

4. A precision nut runner according to claim 1, wherein: both ends that safety cover (10) are inboard all are provided with the bearing frame, and the bearing frame all is provided with the bearing near one side of second pivot (4), second pivot (4) are connected with safety cover (10) rotation through mutually supporting of bearing and bearing frame.

5. A precision nut runner according to claim 1, wherein: the first bevel gear (6) and the second bevel gear (9) are arranged at right angles, and the first bevel gear (6) and the second bevel gear (9) are meshed with each other.

6. A precision nut runner according to claim 1, wherein: a chain is arranged between the driving wheel (5) and the driven wheel (3), and the driving wheel (5) is rotatably connected with the driven wheel (3) through the chain.

7. A precision nut runner according to claim 1, wherein: the clamping groove (16) is of a U-shaped structure, and one side, far away from the supporting block (12), of the connecting block (13) is provided with a sleeve hole (17).