CN217824483U

CN217824483U - Motor for hand-held electric tool

Info

Publication number: CN217824483U
Application number: CN202221129721.9U
Authority: CN
Inventors: 李劲; 李松; 刘俊
Original assignee: Yangzhou Power King Motor Manufacturing Co ltd
Current assignee: Yangzhou Power King Motor Manufacturing Co ltd
Priority date: 2022-05-12
Filing date: 2022-05-12
Publication date: 2022-11-15
Anticipated expiration: 2032-05-12

Abstract

The utility model discloses a motor for hand-held type electric tool belongs to motor technical field, including stator housing, the joint groove has all been seted up to stator housing's interior roof and stator housing's interior diapire, the equal joint in inner wall in every joint groove has the plank, the equal fixedly connected with excitation winding coil in a side that two planks are close to each other, a set of screw hole has all been seted up to a side that two planks kept away from each other, through the joint groove, the plank, the screw hole, T type hole, first mounting bolt and pull the handle, can utilize the threaded connection of first mounting bolt and screw hole, and through the cooperation in plank and joint groove, realize joint and the bolt fastening to excitation winding coil, through pulling the maintenance personal of being convenient for to install fast and dismantle excitation winding coil, conveniently excite the change work of excitation winding coil, it can 'T change to have solved present excitation winding coil, lead to whole electric tool directly scrapping, be unfavorable for people's economic use problem.

Description

Motor for hand-held electric tool

Technical Field

The utility model belongs to the technical field of the motor, more specifically says, in particular to hand-held type is motor for electric tool.

Background

The hand-held electric tool refers to a portable electric tool, and can be directly operated by hands without other auxiliary devices, such as electric drills, jig saws, miter saws, wrenches, electrode holders, hand-held grinders and the like which are commonly used in construction.

Current hand-held type electric tool mostly uses series excited machine, inside contains the brush, the motor has small, power is big, the characteristics that the rotational speed is high, but can not work for a long time, long-time work causes the burnout of excitation winding coil easily, and it is extremely fast to the carbon brush wearing and tearing consumption, nevertheless the excitation winding coil is generally fixed on the stator housing inner wall, can't dismantle, when the excitation winding coil burns out, be convenient for change and maintenance, whole electric tool directly scraps, be unfavorable for people's economic use, and when changing the carbon brush, the operation is comparatively complicated, be not convenient for people to the quick replacement of carbon brush, influence electric tool's use.

SUMMERY OF THE UTILITY MODEL

The utility model provides a motor for hand-held type electric tool, which is not enough for the prior art.

The technical scheme is as follows: the utility model provides a motor for hand-held type electric tool, includes stator housing, the joint groove has all been seted up to stator housing's interior roof and stator housing's interior diapire, every the equal joint in inner wall in joint groove has a calorie plank, two the equal fixedly connected with excitation winding coil in a side that the card plank is close to each other, two a set of screw hole has all been seted up to a side that the card plank was kept away from each other, a set of T type hole, every have all been seted up to stator housing's upper surface and stator housing's bottom surface a set of T type hole, every the inside in T type hole all overlaps and is equipped with first mounting bolt, every first mounting bolt's input all with the inner wall threaded connection of screw hole, stator housing's left surface fixedly connected with carbon brush seat, stator housing's inside is equipped with rotor body, rotor body's surface fixedly connected with armature winding, rotor body's surface fixedly connected with commutator, rotor body's left end fixedly connected with rotary bearing.

Further, two carbon brush holes, every are seted up to the surface of carbon brush seat the equal joint in inside in carbon brush hole has a carbon brush body, every the carbon brush body all through wire and excitation winding coil electric connection, every the equal fixedly connected with mounting panel of surface of carbon brush body, two mounting holes have all been seted up to the side that the mounting panel was kept away from each other, every the inside of mounting hole all is equipped with the second mounting bolt that overlaps, two sets of symmetrical thread grooves, every are seted up to the surface of carbon brush seat the input of second mounting bolt all with the inner wall threaded connection of thread groove.

Furthermore, the right end of each excitation winding coil is fixedly connected with a pull handle, and the outer surface of each pull handle is fixedly connected with a heat-resistant insulating sleeve.

Furthermore, a set of mounting grooves are formed in the upper surface of the stator shell and the bottom surface of the stator shell, and the number of the mounting grooves is at least four.

Furthermore, the front surface of the stator shell and the back surface of the stator shell are fixedly connected with two groups of damping protrusions which are made of heat-resistant rubber.

Furthermore, the front surface of the stator shell is fixedly connected with a specification nameplate, and the specification nameplate is positioned in the middle of the stator shell.

Has the advantages that:

1. the utility model discloses a joint groove, the card plank, the screw hole, T type hole, first construction bolt and draw the handle, can utilize the threaded connection of first construction bolt and screw hole, and through the cooperation in card plank and joint groove, realize joint and the bolt fastening to excitation winding coil, through drawing the maintenance personal of being convenient for to carry out quick installation and dismantlement to excitation winding coil, the change work of conveniently exciting winding coil, it can 'T change to have solved present excitation winding coil, lead to whole electric tool directly to scrap, be unfavorable for people's economical and useful problem.

2. The utility model discloses a carbon brush seat, carbon brush hole, mounting panel, mounting hole, thread groove and the second mounting bolt that set up can block the carbon brush body through the carbon brush pore pair carbon brush hole on carbon brush seat surface and put to utilize the threaded connection of second mounting bolt and thread groove, through the cooperation with the mounting panel, realize the fix with screw to the carbon brush body, through the mode of fix with screw, the staff of being convenient for is to the quick replacement of carbon brush body, the electric tool's of being convenient for use work.

Drawings

Fig. 1 is a schematic perspective view of a stator housing according to the present invention;

fig. 2 is a cross-sectional view of a front view of a stator housing according to the present invention;

fig. 3 is a schematic diagram of a three-dimensional structure of a field winding coil in the present invention;

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

In the figure: 1. a stator housing; 2. a clamping groove; 3. a specification nameplate; 4. a heat-resistant insulating sleeve; 5. mounting grooves; 6. a T-shaped hole; 7. the shock absorption is convex; 8. clamping a wood plate; 9. a first mounting bolt; 10. an excitation winding coil; 11. a rotor body; 12. an armature winding; 13. mounting a plate; 14. a carbon brush holder; 15. rotating the bearing; 16. a commutator; 17. a carbon brush body; 18. a threaded hole; 19. a second mounting bolt; 20. mounting holes; 21. a thread groove; 22. a carbon brush hole; 23. and (4) pulling the handle.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a motor for hand-held type electric tool, including stator housing 1, joint groove 2 has all been seted up to the interior roof of stator housing 1 and the interior diapire of stator housing 1, the equal joint of inner wall in every joint groove 2 has a plank 8, the equal fixedly connected with excitation winding coil 10 in a side that two planks 8 are close to each other, a set of screw hole 18 has all been seted up to a side that two planks 8 kept away from each other, a set of T type hole 6 has all been seted up to the upper surface of stator housing 1 and the bottom surface of stator housing 1, the inside of every T type hole 6 all is equipped with first mounting bolt 9, every first mounting bolt 9's input all with the inner wall threaded connection of screw hole 18, stator housing 1's left surface fixedly connected with carbon brush seat 14, stator housing 1's inside is equipped with rotor body 11, rotor body 11's outer fixed surface is connected with armature winding 12, rotor body 11's outer fixed surface is connected with commutator 16, rotor body 11's left end fixedly connected with commentaries on classics bearing 15.

Wherein, two carbon brush holes 22 have been seted up to the surface of carbon brush seat 14, every carbon brush hole 22's inside all joint has carbon brush body 17, every carbon brush body 17 all passes through wire and excitation winding coil 10 electric connection, every carbon brush body 17's the equal fixedly connected with mounting panel 13 of surface, two mounting holes 20 have all been seted up to the side that two mounting panels 13 kept away from each other, every mounting hole 20's inside all overlaps and is equipped with second mounting bolt 19, two sets of symmetrical thread grooves 21 have been seted up to carbon brush seat 14's surface, every second mounting bolt 19's input all with the inner wall threaded connection of thread groove 21, can utilize the threaded connection cooperation of second mounting bolt 19 and thread groove 21, realize carbon brush body 17's mounting screw, be convenient for carbon brush body 17's replacement work.

Wherein, the equal fixedly connected with of right-hand member of every excitation winding coil 10 draws handle 23, and every draws the equal fixedly connected with heat-resisting insulating bush 4 of the surface of handle 23, can make the staff light more pull out the plank 8 of card through drawing handle 23, is convenient for excitation winding coil 10's change and maintenance work.

Wherein, a set of mounting groove 5 has all been seted up to the upper surface of stator housing 1 and the bottom surface of stator housing 1, and the quantity of mounting groove 5 is four at least, can carry out spacing joint to stator housing 1, and the installation of the motor of being convenient for is fixed.

Wherein, the protruding 7 of two sets of shock attenuation of the equal fixedly connected with in the front of stator case 1 and the back of stator case 1, the protruding 7 of shock attenuation is the heat-resisting rubber material, can carry out the shock attenuation protection to stator case 1's outside, increases the stability of motor during operation.

Wherein, stator housing 1's front fixedly connected with specification data plate 3, specification data plate 3 are located stator housing 1's middle part, can explain the brand specification of motor, and the staff of being convenient for is to the discernment and the use of motor.

The working principle is as follows:

the utility model discloses when using, at first put into stator housing 1's inside with two excitation winding coils 10, and go into the inside of joint groove 2 with two kayak boards 8 respectively, then embolia the inside of T type hole 6 with first mounting bolt 9, and rotate the inside of going into screw hole 18, utilize the threaded connection of first mounting bolt 9 and screw hole 18, the realization is fixed to excitation winding coil 10's installation, embolia stator housing 1's inside with rotor body 11 after that, then insert carbon brush hole 22's inside with carbon brush body 17, and pass second mounting bolt 19 through mounting hole 20 and revolve the inside of turning into thread groove 21, the realization is fixed to carbon brush body 17's installation, make carbon brush body 17 carbon brush end and commutator 16's surface contact simultaneously, realize the circular telegram of motor, utilize the threaded connection of first mounting bolt 9 and screw hole 18 and the threaded connection of second mounting bolt 19 and thread groove 21, realize excitation winding coil 10 and carbon brush body 17's screwed connection, the staff of being convenient for the maintenance work of motor.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

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 motor for hand-held type electric tool which characterized in that: including stator casing (1), joint groove (2), every have all been seted up to the interior roof of stator casing (1) and the interior diapire of stator casing (1) the equal joint of inner wall in joint groove (2) has a calorie plank (8), two the equal fixedly connected with excitation winding coil (10) in a side that calorie plank (8) are close to each other, two a set of screw hole (18) have all been seted up to a side that calorie plank (8) kept away from each other, a set of T type hole (6), every have all been seted up to the upper surface of stator casing (1) and the bottom surface of stator casing (1) the inside of T type hole (6) all is equipped with first mounting bolt (9), every the input of first mounting bolt (9) all with the inner wall threaded connection of screw hole (18), the left surface fixedly connected with carbon brush seat (14) of stator casing (1), the inside of stator casing (1) is equipped with rotor body (11), the surface fixedly connected with of rotor body (11) has winding (12), the surface fixed surface of rotor body (11) is connected with commutator (16), the left side end fixed bearing (11) that changes bearing (15).

2. A motor for a hand-held power tool according to claim 1, characterized in that: two carbon brush holes (22) have been seted up to the surface of carbon brush seat (14), every the equal joint in inside of carbon brush hole (22) has carbon brush body (17), every carbon brush body (17) all through wire and excitation winding coil (10) electric connection, every the equal fixedly connected with mounting panel (13) of surface of carbon brush body (17), two mounting panel (13) a side of keeping away from each other has all seted up two mounting holes (20), every the inside of mounting hole (20) all overlaps and is equipped with second mounting bolt (19), two sets of symmetrical thread groove (21), every are seted up to the surface of carbon brush seat (14 the input of second mounting bolt (19) all with the inner wall threaded connection of thread groove (21).

3. A motor for a hand-held power tool according to claim 1, characterized in that: the right end of each excitation winding coil (10) is fixedly connected with a pull handle (23), and the outer surface of each pull handle (23) is fixedly connected with a heat-resistant insulating sleeve (4).

4. A motor for a hand-held power tool according to claim 1, characterized in that: a set of mounting groove (5) have all been seted up to the upper surface of stator shell (1) and the bottom surface of stator shell (1), the quantity of mounting groove (5) is four at least.

5. A motor for a hand-held power tool according to claim 1, characterized in that: the equal fixedly connected with two sets of shock attenuation protruding (7) in the front of stator shell (1) and the back of stator shell (1), the protruding (7) of shock attenuation are heat-resisting rubber material.

6. A motor for a hand-held power tool according to claim 1, characterized in that: the front face of the stator shell (1) is fixedly connected with a specification nameplate (3), and the specification nameplate (3) is located in the middle of the stator shell (1).