CN211362046U

CN211362046U - Electric wrench convenient to operate

Info

Publication number: CN211362046U
Application number: CN201921761780.6U
Authority: CN
Inventors: 赵建军; 赵敏; 赵建兵
Original assignee: Nantong Mike Bonway Hardware Co ltd
Current assignee: Nantong Mike Bonway Hardware Co ltd
Priority date: 2019-10-21
Filing date: 2019-10-21
Publication date: 2020-08-28
Anticipated expiration: 2029-10-21

Abstract

The utility model discloses a convenient operation's electric spanner, including shell, battery case, electrodeless speed governing switch and stator-rotor, the bottom integration of shell is connected with the handle, the bottom of handle is equipped with the battery case, the inboard of shell has the stator-rotor through the screw fixation, the left side output of stator-rotor has cup jointed the connection stake, the left side cover of connection stake is equipped with the cutting ferrule, the impeller has been cup jointed to the right side output of stator-rotor, the right side integration of shell is connected with the cooling cap, electrodeless speed governing switch passes through the top left side of screw fixation in handle, the upper surface integration of electrodeless speed governing switch is connected with first stopper, the inner wall bonding of shell has the sleeve, telescopic inboard is equipped with the slider, the bottom integration of slider is connected with the second stopper. The utility model discloses be convenient for operate, be convenient for adjust slew velocity, improve stator and rotor's radiating effect, be convenient for change the battery case.

Description

Electric wrench convenient to operate

Technical Field

The utility model relates to an electric spanner technical field specifically is a convenient operation's electric spanner.

Background

The electric wrench mainly comprises a stator and a rotor, a stepless speed change switch and a battery, wherein the battery can supply power to the stator and the rotor to enable the stator and the rotor to rotate, and the rotation speed of the stator and the rotor can be adjusted through the stepless speed change switch to adjust the speed of twisting the nut.

When current partial electric spanner is using, for the convenience of control stator rotor's rotational speed, all adopt push type infinitely variable speed switch to control stator rotor rotational speed, however after the user uses electric spanner for a long time, can produce hand fatigue, it is not good to lead to speed control, and when new hand used, also can't master according to the pressure intensity, current electric spanner stator rotor heat dissipation impeller all installs at stator rotor tail end, through seting up the through-hole at electric spanner shell tail end, give off the heat supply, it is not enough to lean on the through-hole radiating effect, long-term use influences stator rotor life, consequently need to design a convenient operation's electric spanner to solve above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a convenient operation's electric spanner to solve the unable convenient operation slew velocity that provides in the above-mentioned background art, decide the not good enough problem of rotor radiating effect.

In order to achieve the above object, the utility model provides a following technical scheme: an electric wrench convenient to operate comprises a shell, a battery box, a stepless speed regulating switch and a stator and a rotor, wherein the bottom end of the shell is integrally connected with a handle, the bottom end of the handle is provided with the battery box, the stator and the rotor are fixed on the inner side of the shell through screws, the left output end of the stator and the rotor is sleeved with a connecting pile, the left side of the connecting pile is sleeved with a cutting sleeve, the right output end of the stator and the rotor is sleeved with an impeller, the right side of the shell is integrally connected with a heat radiating cover, the stepless speed regulating switch is fixed on the left side of the top end of the handle through screws, the upper surface of the stepless speed regulating switch is integrally connected with a first limiting block, the inner wall of the shell is bonded with a sleeve, the inner side of the sleeve is provided with a sliding block, the bottom end of the sliding block is, the outer surface of the front end of the sliding block is integrally connected with a speed regulation auxiliary block, the front end of the speed regulation auxiliary block penetrates through the outer surface of the front end of the shell, a sleeve bin is arranged on the inner side of the sliding block, and a first spring and a clamping block are arranged on the inner side of the sleeve bin.

Preferably, the heat dissipation cover comprises a first heat dissipation hole, a second heat dissipation hole, a fin and a third heat dissipation hole, the outer surfaces of the two ends of the heat dissipation cover are all penetrated and provided with the first heat dissipation hole, the second heat dissipation hole is penetrated and provided on the outer surface of the right side of the heat dissipation cover, and the fin is adhered to the inner surface of the heat dissipation cover.

Preferably, the third heat dissipation hole penetrates through the outer surface of the right side of the fin, and the third heat dissipation hole is communicated with the second heat dissipation hole.

Preferably, a limiting bin is arranged at the top end of the left side of the battery box, a fixing button is arranged on the inner side of the limiting bin, a connecting shaft penetrates through the top end of the right side of the fixing button, the two ends of the connecting shaft are fixedly connected with the inner wall of the limiting bin, and a rotating structure is formed by the fixing button and the connecting shaft.

Preferably, the right side of the fixed button is provided with a second spring, the right side of the second spring is fixedly bonded with the inner wall of the battery box, the fixed button and the second spring form an elastic structure, the lower surface of the handle is integrally connected with a limit hook, and the limit hook is clamped with the fixed button.

Preferably, the sliding block and the sleeve form a sliding structure, the clamping block is arranged at the top end of the first spring, the clamping block is inserted into the clamping groove, and the clamping block and the first spring form an elastic structure.

Preferably, the output end of the battery box is electrically connected with the stepless speed regulating switch through a lead, and the output end of the stepless speed regulating switch is electrically connected with the stator and the rotor through a lead.

Compared with the prior art, the beneficial effects of the utility model are that: the electric wrench convenient to operate is convenient to operate, the rotating speed is convenient to adjust, the heat dissipation effect of the stator and the rotor is improved, and the battery box is convenient to replace;

(1) the stepless speed regulation switch is provided with a speed regulation auxiliary block, a first limiting block, a sleeve, a sliding block, a second limiting block and a clamping groove, the sliding block can be driven to move in the sleeve by stirring the speed regulation auxiliary block, elasticity is generated by deformation of a first spring and applied to the clamping block, the clamping block and the clamping groove are fixedly inserted, the first limiting block is limited by the second limiting block, the pressing distance of the stepless speed regulation switch can be limited, the problem that the pressing pressure degree cannot be conveniently mastered is solved, and the effects of convenience in operation and convenience in rotating speed regulation are further achieved;

(2) the heat dissipation cover is arranged, the second heat dissipation hole is formed in the right side surface of the heat dissipation cover, and the fins are adhered to the inner surface of the heat dissipation cover, so that heat blown by the impeller can be dissipated through the first heat dissipation hole, the heat absorption area can be increased through the fins, the heat is discharged into the second heat dissipation hole through the third heat dissipation hole and is dissipated outwards through the second heat dissipation hole, and the heat dissipation effect of the stator and the rotor is further improved;

(3) be provided with fixed button, spacing storehouse, connecting axle and spacing hook, be connected fixed button and spacing storehouse through the connecting axle, can make fixed button can be at spacing storehouse internal rotation, make the fixed button top keep away from spacing hook through pressing down fixed button, can remove the spacing to the battery case, make the battery case can follow the handle bottom and take out.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention;

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

fig. 3 is a partial schematic view of the structure of the heat dissipation cover in fig. 2 according to the present invention;

fig. 4 is an enlarged schematic view of the structure at a in fig. 2 according to the present invention;

fig. 5 is an enlarged schematic view of the structure at B in fig. 2 according to the present invention.

In the figure: 1. a housing; 2. a grip; 3. a heat dissipation cover; 301. a first heat dissipation hole; 302. a second heat dissipation hole; 303. a fin; 304. a third heat dissipation hole; 4. a battery case; 5. a fixed button; 6. a stepless speed regulation switch; 7. a speed regulation auxiliary block; 8. a card sleeve; 9. a stator and a rotor; 10. an impeller; 11. connecting piles; 12. a first stopper; 13. a sleeve; 14. a slider; 15. a second limiting block; 16. a card slot; 17. sleeving a bin; 18. A first spring; 19. a clamping block; 20. a limiting bin; 21. a second spring; 22. a connecting shaft; 23. and a limiting hook.

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. 1-5, the present invention provides an embodiment: an electric wrench convenient to operate comprises a shell 1, a battery box 4, a stepless speed regulating switch 6 and a stator and rotor 9, wherein the bottom end of the shell 1 is integrally connected with a handle 2, the battery box 4 is arranged at the bottom end of the handle 2, the output end of the battery box 4 is electrically connected with the stepless speed regulating switch 6 through a lead, the output end of the stepless speed regulating switch 6 is electrically connected with the stator and rotor 9 through a lead, the battery box 4 comprises a lithium battery and a conductive groove, the conductive groove is located on the upper surface of the battery box 4 and used for being connected with a conductive sheet on the lower surface of the handle 2, the model of the stepless speed regulating switch 6 is HW-A-1020, and the.

The limiting bin 20 is arranged at the top end of the left side of the battery box 4, the fixing button 5 is arranged on the inner side of the limiting bin 20, the connecting shaft 22 is arranged at the top end of the right side of the fixing button 5 in a penetrating mode, both ends of the connecting shaft 22 are fixedly connected with the inner wall of the limiting bin 20, the fixing button 5 and the connecting shaft 22 form a rotating structure, the second spring 21 is arranged on the right side of the fixing button 5, the right side of the second spring 21 is fixedly bonded with the inner wall of the battery box 4, the fixing button 5 and the second spring 21 form an elastic structure, the lower surface of the handle 2 is integrally connected with a limiting hook 23, the limiting hook 23 is clamped with the fixing button 5, the fixing button 5 is rotated along the connecting shaft 22 by pressing the fixing button 5, the top end of the fixing button 5 is far away from the limiting hook 23, the limiting on the limiting hook 23 can be released, the second spring 21 plays, the state shown in fig. 4 can be always maintained.

The inner side of the shell 1 is fixed with a stator and a rotor 9 through screws, the left output end of the stator and the rotor 9 is sleeved with a connecting pile 11, the left side of the connecting pile 11 is sleeved with a clamping sleeve 8, the right output end of the stator and the rotor 9 is sleeved with an impeller 10, the right side of the shell 1 is integrally connected with a radiating cover 3, the radiating cover 3 comprises a first radiating hole 301, a second radiating hole 302, a fin 303 and a third radiating hole 304, the outer surfaces of the two ends of the radiating cover 3 are all penetrated and provided with the first radiating hole 301, the second radiating hole 302 is penetrated and provided on the outer surface of the right side of the radiating cover 3, the fin 303 is bonded on the inner surface of the radiating cover 3, the third radiating hole 304 is penetrated and provided on the outer surface of the right side of the fin 303, the third radiating hole 304 is communicated with the second radiating hole 302, the heat generated by the work of, meanwhile, the heat absorption area can be increased through the fins 303, and then the heat is discharged into the second heat dissipation hole 302 through the third heat dissipation hole 304 and then is dissipated outwards through the second heat dissipation hole 302.

The stepless speed regulating switch 6 is fixed on the left side of the top end of the handle 2 through screws, the upper surface of the stepless speed regulating switch 6 is integrally connected with a first limit block 12, a sleeve 13 is bonded on the inner wall of the shell 1, a slide block 14 is arranged on the inner side of the sleeve 13, the bottom end of the slide block 14 is integrally connected with a second limit block 15, the second limit block 15 penetrates through the lower surface of the sleeve 13, a clamping groove 16 is uniformly formed in the top end of the inner wall of the sleeve 13, a speed regulating auxiliary block 7 is integrally connected on the outer surface of the front end of the slide block 14, the front end of the speed regulating auxiliary block 7 penetrates through the outer surface of the front end of the shell 1, a sleeve bin 17 is arranged on the inner side of the slide block 14, a first spring 18 and a clamping block 19 are arranged on the inner side of the sleeve 17, the slide block 14 and the sleeve 13 form a sliding structure, the clamping block 19 is arranged, the sliding block 14 can be driven to slide in the sleeve 13, the limiting distance of the second limiting block 15 to the first limiting block 12 can be adjusted, the top end of the fixture block 19 is triangular, the fixture block 19 can be retracted into the sleeve bin 17 when being stirred in the clamping groove 16, the first spring 18 plays a role of providing elasticity for the fixture block 19, and the fixture block 19 can be always kept in a state as shown in fig. 5 when no external force is applied.

The working principle is as follows: when the battery box is used, firstly, the battery box 4 is arranged on an external charging seat for charging, so that the battery box 4 is in a power storage state, a conducting strip at the bottom end of the handle 2 can be inserted into a conducting groove on the upper surface of the battery box 4, the battery box 4 is electrically connected with the stepless speed regulation switch 6 through the conducting strip, then the clamping sleeve 8 is sleeved on the nut, the stator and rotor 9 is in a power-on state by pressing the stepless speed regulation switch 6, the stator and rotor 9 drives the connecting pile 11 to rotate, the connecting pile 11 drives the clamping sleeve 8 to rotate, and the clamping sleeve 8 drives the nut to rotate and lock;

when the pressing distance of the stepless speed regulation switch 6 needs to be adjusted, the speed regulation auxiliary block 7 is only needed to be shifted to the right side to drive the sliding block 14 to move in the sleeve 13, the elastic force generated by the deformation of the first spring 18 is applied to the clamping block 19, the clamping block 19 and the clamping groove 16 can be inserted and fixed, the first limiting block 12 is limited by the second limiting block 15, the pressing distance of the stepless speed regulation switch 6 can be limited, and the pressing distance of the stepless speed regulation switch 6 can be adjusted;

when battery case 4 needs to be changed, only need press fixing button 5 downwards to make fixing button 5 top keep away from spacing hook 23, can remove the spacing to battery case 4, make battery case 4 can follow handle 2 bottom and take out and change comparatively practical.

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 convenient operation's electric spanner, includes shell (1), battery case (4), electrodeless speed governing switch (6) and stator-rotor (9), its characterized in that: the bottom end of the shell (1) is integrally connected with a handle (2), the bottom end of the handle (2) is provided with a battery box (4), the inner side of the shell (1) is fixed with a stator and rotor (9) through screws, the left output end of the stator and rotor (9) is sleeved with a connecting pile (11), the left side of the connecting pile (11) is sleeved with a clamping sleeve (8), the right output end of the stator and rotor (9) is sleeved with an impeller (10), the right side of the shell (1) is integrally connected with a heat dissipation cover (3), the stepless speed regulating switch (6) is fixed on the left side of the top end of the handle (2) through screws, the upper surface of the stepless speed regulating switch (6) is integrally connected with a first limiting block (12), the inner wall of the shell (1) is bonded with a sleeve (13), the inner side of the sleeve (13) is provided with a sliding block (14), the bottom end of the sliding, and second stopper (15) pass sleeve (13) lower surface, draw-in groove (16) have evenly been seted up on the inner wall top of sleeve (13), the front end surface integration of slider (14) is connected with speed governing auxiliary block (7), and the front end of speed governing auxiliary block (7) passes shell (1) front end surface, the inboard of slider (14) is equipped with cover storehouse (17), the inboard of cover storehouse (17) is equipped with first spring (18) and fixture block (19).

2. An electric wrench as claimed in claim 1, wherein: the heat dissipation cover (3) comprises a first heat dissipation hole (301), a second heat dissipation hole (302), fins (303) and a third heat dissipation hole (304), the outer surfaces of the two ends of the heat dissipation cover (3) penetrate through the first heat dissipation hole (301), the second heat dissipation hole (302) penetrates through the outer surface of the right side of the heat dissipation cover (3), and the fins (303) are bonded on the inner surface of the heat dissipation cover (3).

3. An electric wrench as claimed in claim 2, wherein: the third heat dissipation hole (304) penetrates through the right outer surface of the fin (303), and the third heat dissipation hole (304) is communicated with the second heat dissipation hole (302).

4. An electric wrench as claimed in claim 1, wherein: a limiting bin (20) is arranged at the top end of the left side of the battery box (4), a fixing button (5) is arranged on the inner side of the limiting bin (20), a connecting shaft (22) is arranged at the top end of the right side of the fixing button (5) in a penetrating mode, the two ends of the connecting shaft (22) are fixedly connected with the inner wall of the limiting bin (20), and a rotating structure is formed by the fixing button (5) and the connecting shaft (22).

5. An electric wrench as claimed in claim 4, wherein: the right side of fixed button (5) is equipped with second spring (21), and the right side of second spring (21) is fixed with the inner wall bonding of battery case (4), the elastic construction is constituteed with second spring (21) fixed button (5), the lower surface integration of handle (2) is connected with spacing hook (23), spacing hook (23) and fixed button (5) block.

6. An electric wrench as claimed in claim 1, wherein: the sliding structure is formed by the sliding block (14) and the sleeve (13), the clamping block (19) is arranged at the top end of the first spring (18), the clamping block (19) is inserted into the clamping groove (16), and the clamping block (19) and the first spring (18) form an elastic structure.

7. An electric wrench as claimed in claim 1, wherein: the output end of the battery box (4) is electrically connected with the stepless speed regulating switch (6) through a lead, and the output end of the stepless speed regulating switch (6) is electrically connected with the stator and the rotor (9) through a lead.