CN213367527U

CN213367527U - High-precision high-stability direct-current brush motor

Info

Publication number: CN213367527U
Application number: CN202022435241.2U
Authority: CN
Inventors: 陈玉敏
Original assignee: Dongguan Lingya Automation Technology Co ltd
Current assignee: Dongguan Lingya Automation Technology Co ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-06-04
Anticipated expiration: 2030-10-28

Abstract

The utility model belongs to the technical field of the motor, especially, be a high accuracy high stability direct current brush motor, which comprises a housin, the internally mounted of casing has the stator, the inboard of stator is provided with the rotor, the inside of casing is provided with two bearing frames, the both sides wall of bearing frame all is fixed with the installation pole, the one end of installation pole is respectively with one side inner wall fixed connection that the casing is adjacent, the inside of bearing frame all is fixed with the bearing body. The utility model discloses a set up riser, horizontal piece, first spring, briquetting, fixture block, L type inserted block, second spring, current conducting plate, conducting rod, conducting block, connecting rod, first trapezoidal piece, pull rod, draw handle, second trapezoidal piece and third spring, after the brush takes place to damage, can comparatively convenient dismantle the cap from the casing, then also can comparatively convenient dismantle the brush come out, and the installation of cap and brush, it is also comparatively convenient to operate, so maintenance personal's work efficiency can be improved.

Description

High-precision high-stability direct-current brush motor

Technical Field

The utility model relates to the technical field of electric machines, specifically be a high accuracy high stability direct current has brush motor.

Background

A dc brush motor is a rotating electrical machine that includes a brush device to convert dc electrical energy into mechanical energy (a dc motor) or to convert mechanical energy into dc electrical energy (a dc generator). In contrast to dc brushless motors, brush devices are used to draw in or out dc voltages and dc currents. The DC brush motor is the basis of all motors, and has the characteristics of quick start, timely braking, capability of smoothly regulating the speed in a large range, relatively simple control circuit and the like.

The existing direct current brush motor has the problem that the brush is easy to damage due to frequent friction between the carbon brush of the existing direct current brush motor and the commutator, and the brush needs to be replaced after being damaged, but the existing carbon brush is troublesome to replace, so that the work efficiency of maintenance personnel is low, and the problem is solved by providing the high-precision high-stability direct current brush motor.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a high accuracy high stability direct current has brush motor has solved the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a high-precision high-stability direct-current brush motor comprises a shell, wherein a stator is arranged inside the shell, a rotor is arranged on the inner side of the stator, two bearing seats are arranged inside the shell, mounting rods are fixed on two side walls of the bearing seats, one end of each mounting rod is fixedly connected with one inner wall of the shell adjacent to the corresponding end of the corresponding end, a clamping block is fixed on the other side wall of the pressing block, jacks are formed in one side wall of the vertical plate, two electric brushes are attached to the outer side wall of the commutator, an L-shaped insert block is fixed on one side wall of each electric brush, one end of each L-shaped insert block penetrates through the corresponding jack in a sliding mode, a clamping hole is formed in one end of each L-shaped insert block, one end of each clamping block penetrates through the corresponding clamping hole in a sliding mode, a second spring is fixed on one side wall of each electric brush, a current conducting plate is fixed on one end of each second spring in a sliding mode, current conducting rods are symmetrically fixed on one side wall of each electric brush, the current conducting plates are connected to the surfaces of the two corresponding current conducting rods in a sliding mode, current conducting blocks are fixed on one side wall of each current conducting plate, a shell cover is attached to one side wall of the shell, one end of a rotor rotating shaft penetrates through one side, the one end of conducting strip all is fixed with conductive head, the lateral wall laminating of a lateral wall and corresponding conductive block of conductive head, a lateral wall symmetry of cap is fixed with the connecting rod, the one end of connecting rod all is fixed with first trapezoidal piece, the both sides wall of casing all slides and has run through the pull rod, the one end of pull rod all is fixed with draws the handle, the other end of pull rod all is fixed with second trapezoidal piece, the outside of pull rod all overlaps and is equipped with the third spring, the both ends of third spring respectively with a lateral wall of second trapezoidal piece and the adjacent one side inner wall fixed connection of casing, a lateral wall of second trapezoidal piece and the laminating of a lateral wall of adjacent first trapezoidal piece.

As an optimal technical scheme of the utility model, a lateral wall of briquetting all is fixed with T type piece, T type groove has all been seted up to a lateral wall of riser, T type piece sliding connection is in T type inslot.

As an optimal technical scheme of the utility model, the slide opening has been seted up to the equal symmetry of a lateral wall of current conducting plate, the conducting rod runs through corresponding slide opening.

As an optimized technical scheme of the utility model, the one end of conducting rod all is fixed with the dog.

As an optimal technical scheme of the utility model, the through-hole has all been seted up to the both sides wall of casing, the pull rod runs through corresponding through-hole.

As an optimized technical solution of the present invention, the first trapezoidal block is parallel to the inclined plane of the corresponding second trapezoidal block.

As an optimized technical scheme of the utility model, a lateral wall symmetry of cap is fixed with the locating piece, the constant head tank has been seted up to the one end symmetry of casing, the locating piece is inserted respectively and is established in corresponding constant head tank.

As an optimal technical scheme of the utility model, first perforation has been seted up to a lateral wall of casing, the second perforation has been seted up to a lateral wall of cap, first perforation and second perforation are run through respectively at the pivot both ends of rotor.

(III) advantageous effects

Compared with the prior art, the utility model provides a high accuracy high stability direct current has brush motor possesses following beneficial effect:

this high accuracy high stability direct current has brush motor, through setting up the riser, the horizontal piece, first spring, the briquetting, the fixture block, L type inserted block, the second spring, the current conducting plate, the conducting rod, the conducting block, the connecting rod, first trapezoidal piece, the pull rod, the pull handle, second trapezoidal piece and third spring, after the brush takes place to damage, can be comparatively convenient dismantle the cap from the casing, then also can comparatively convenient dismantle the brush come out, and the installation of cap and brush, it is also comparatively convenient that the operation is got up, so maintenance personal's work efficiency can be improved.

Drawings

FIG. 1 is a schematic view of the overall cross-sectional structure of the present invention;

FIG. 2 is an enlarged schematic view of the area A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the connection structure of the mounting rod and the housing of the present invention;

fig. 4 is a schematic cross-sectional structure view of the current-conducting plate of the present invention;

fig. 5 is a schematic view of the overall structure of the present invention.

In the figure: 1. a housing; 2. a stator; 3. a rotor; 4. a bearing seat; 5. mounting a rod; 6. a bearing body; 7. a commutator; 8. a vertical plate; 9. a transverse block; 10. a first spring; 11. briquetting; 12. a clamping block; 13. a jack; 14. an electric brush; 15. an L-shaped insert block; 16. a clamping hole; 17. a second spring; 18. a conductive plate; 19. a conductive rod; 20. a conductive block; 21. a shell cover; 22. a conductive sheet; 23. a conductive head; 24. a connecting rod; 25. a first trapezoidal block; 26. a pull rod; 27. pulling a handle; 28. a second trapezoidal block; 29. a third spring; 30. a T-shaped block; 31. a T-shaped groove; 32. a slide hole; 33. a stopper; 34. a through hole; 35. positioning blocks; 36. positioning a groove; 37. a first perforation; 38. and a second perforation.

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.

Examples

Referring to fig. 1-5, the present invention provides the following technical solutions: a high-precision high-stability direct current brush motor comprises a shell 1, wherein a stator 2 is installed inside the shell 1, a rotor 3 is arranged on the inner side of the stator 2, two bearing seats 4 are arranged inside the shell 1, mounting rods 5 are fixed on two side walls of each bearing seat 4, one end of each mounting rod 5 is fixedly connected with one inner wall of the shell 1 adjacent to the corresponding bearing seat, a bearing body 6 is fixed inside each bearing seat 4, two ends of a rotating shaft of each rotor 3 respectively penetrate through the corresponding adjacent bearing bodies 6, one end of the rotating shaft of each rotor 3 penetrates through one side wall of the shell 1, a commutator 7 is installed at the other end of the rotating shaft of each rotor 3, vertical plates 8 are symmetrically fixed on the inner wall of the shell 1, transverse blocks 9 are fixed on one side walls of the vertical plates 8, first springs 10 are fixed on one side walls of the transverse blocks 9, press blocks 11 are fixed on one ends of the first springs 10, one side wall of each press, a clamping block 12 is fixed on the other side wall of the pressing block 11, a jack 13 is arranged on one side wall of the vertical plate 8, two brushes 14 are attached to the outer side wall of the commutator 7, an L-shaped insert 15 is fixed on one side wall of each brush 14, one end of each L-shaped insert 15 slides through the corresponding jack 13, a clamping hole 16 is arranged at one end of each L-shaped insert 15, one end of each clamping block 12 slides through the corresponding clamping hole 16, a second spring 17 is fixed on one side wall of each brush 14, a current-conducting plate 18 is fixed on one end of each second spring 17, current-conducting rods 19 are symmetrically fixed on one side wall of each brush 14, the current-conducting plates 18 are slidably connected to the surfaces of the corresponding two current-conducting rods 19, current-conducting blocks 20 are fixed on one side wall of each current-conducting plate 18, a case cover 21 is attached to one side wall of the case 1, one end of a rotating shaft of the rotor 3 penetrates through one side wall, conductive sheet 22's one end all is fixed with conductive head 23, conductive head 23's a lateral wall and the laminating of a lateral wall of corresponding conductive block 20, a lateral wall symmetry of cap 21 is fixed with connecting rod 24, connecting rod 24's one end all is fixed with first trapezoidal piece 25, the both sides wall of casing 1 all slides and has run through pull rod 26, pull rod 26's one end all is fixed with draws handle 27, pull rod 26's the other end all is fixed with second trapezoidal piece 28, pull rod 26's the outside all overlaps and is equipped with third spring 29, the both ends of third spring 29 respectively with a lateral wall of second trapezoidal piece 28 and the adjacent one side inner wall fixed connection of casing 1, a lateral wall and the laminating of the adjacent one lateral wall of first trapezoidal piece 25 of second trapezoidal piece 28.

In this embodiment, through setting up riser 8, horizontal piece 9, first spring 10, briquetting 11, fixture block 12, L type inserted block 15, second spring 17, current conducting plate 18, conducting rod 19, conducting block 20, connecting rod 24, first trapezoidal piece 25, pull rod 26, draw handle 27, second trapezoidal piece 28 and third spring 29, after brush 14 takes place to damage, can comparatively convenient dismantle cap 21 from casing 1, then also can comparatively convenient dismantle brush 14, and the installation of cap 21 and brush 14, it is also comparatively convenient to operate, so maintenance person's work efficiency can be improved.

Specifically, a side wall of the pressing block 11 is fixed with a T-shaped block 30, a side wall of the vertical plate 8 is provided with a T-shaped groove 31, and the T-shaped block 30 is connected in the T-shaped groove 31 in a sliding mode.

In this embodiment, the T-shaped block 30 is fixed to one side wall of the pressing block 11, and the T-shaped groove 31 is formed in one side wall of the vertical plate 8, so that the pressing block 11 can stably slide on the vertical plate 8.

Specifically, slide holes 32 are symmetrically formed in one side wall of the conductive plate 18, and the conductive rod 19 penetrates through the corresponding slide holes 32.

In this embodiment, the sliding holes 32 are symmetrically formed in one side wall of the conductive plate 18, so that the conductive rods 19 can smoothly pass through the conductive plate 18, and the conductive plate 18 can slide on the two conductive rods 19.

Specifically, a stopper 33 is fixed to each end of the conductive rod 19.

In this embodiment, the stopper 33 is fixed to both ends of the conductive rod 19, so that the conductive plate 18 is prevented from coming off the ends of the conductive rod 19.

Specifically, through holes 34 are formed in both side walls of the housing 1, and the pull rod 26 penetrates through the corresponding through holes 34.

In this embodiment, through holes 34 are formed on both side walls of the housing 1, so that the two tie rods 26 can smoothly pass through one adjacent side wall of the housing 1.

Specifically, the first trapezoidal block 25 is parallel to the inclined surface of the corresponding second trapezoidal block 28.

In this embodiment, the first trapezoid block 25 is parallel to the inclined plane of the corresponding second trapezoid block 28, so that when the first trapezoid block 25 moves inward, the second trapezoid block 28 can be smoothly pressed to move outward.

Specifically, positioning blocks 35 are symmetrically fixed on one side wall of the housing cover 21, positioning grooves 36 are symmetrically formed in one end of the housing 1, and the positioning blocks 35 are respectively inserted into the corresponding positioning grooves 36.

In this embodiment, the positioning blocks 35 are symmetrically fixed on one side wall of the housing cover 21, and the positioning grooves 36 are symmetrically formed at one end of the housing 1, so that the positioning function can be achieved.

Specifically, a first through hole 37 is formed in a side wall of the housing 1, a second through hole 38 is formed in a side wall of the housing cover 21, and two ends of the rotating shaft of the rotor 3 respectively penetrate through the first through hole 37 and the second through hole 38.

In the present embodiment, the first through hole 37 is formed in one side wall of the casing 1, and the second through hole 38 is formed in one side wall of the casing cover 21, so that both ends of the rotating shaft of the rotor 3 can smoothly pass through the casing 1 and the casing cover 21, respectively.

The utility model discloses a theory of operation and use flow: when the brush 14 is damaged and needs to be replaced, the housing cover 21 may be detached first, the housing cover 21 may be detached in a detaching process of pulling the two pull handles 27 outward at the same time, the pull handles 27 may drive the corresponding pull rods 26 to move outward, the pull rods 26 may drive the corresponding second trapezoidal blocks 28 to move outward, at this time, the third spring 29 may be compressed, so that the restriction on the two first trapezoidal blocks 25 may be removed, under the elastic force of the second spring 17, the conductive plate 18 may move in a direction away from the brush 14, the conductive plate 18 may drive the conductive block 20 to move in a direction away from the brush 14, so that the housing cover 21 may be ejected, where it should be noted that, when the housing cover 21 is installed on the housing 1, the second spring 17 is in a compressed state, when the housing cover 21 is detached, the brush 14 may be detached, and the detaching process of the brush 14 may be, the pressing block 11 is pressed towards the inner side, the first spring 10 can be compressed at the moment, the pressing block 11 can drive the clamping block 12 to be separated from the corresponding clamping hole 16, and the L-shaped inserting block 15 can be pulled out of the vertical plate 8, so that the electric brush 14 can be detached, and the installation of the electric brush 14 and the shell cover 21 is not repeated.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a high accuracy high stability direct current has brush motor, includes casing (1), its characterized in that: the novel motor rotor comprises a shell (1), wherein a stator (2) is arranged inside the shell (1), a rotor (3) is arranged on the inner side of the stator (2), two bearing seats (4) are arranged inside the shell (1), installation rods (5) are fixed on two side walls of the bearing seats (4), one end of each installation rod (5) is fixedly connected with the inner wall of one side, adjacent to the shell (1), of the shell, a bearing body (6) is fixed inside each bearing seat (4), two ends of a rotating shaft of the rotor (3) penetrate through the adjacent bearing bodies (6) respectively, one end of a rotating shaft of the rotor (3) penetrates through one side wall of the shell (1), a commutator (7) is installed at the other end of the rotating shaft of the rotor (3), vertical plates (8) are symmetrically fixed on the inner wall of the shell (1), transverse blocks (9) are fixed on one side wall of each vertical plate (8), first springs (10) are fixed on one side wall of each transverse, one end of each first spring (10) is fixed with a pressing block (11), one side wall of each pressing block (11) is connected with one side wall of each vertical plate (8) in a sliding mode, the other side wall of each pressing block (11) is fixed with a clamping block (12), one side wall of each vertical plate (8) is provided with a jack (13), the outer side wall of the commutator (7) is attached with two electric brushes (14), one side wall of each electric brush (14) is fixed with an L-shaped inserting block (15), one end of each L-shaped inserting block (15) slides through the corresponding jack (13), one end of each L-shaped inserting block (15) is provided with a clamping hole (16), one end of each clamping block (12) slides through the corresponding clamping hole (16), one side wall of each electric brush (14) is fixed with a second spring (17), one end of each second spring (17) is fixed with a conductive plate (18), one side wall of each electric brush (14) is symmetrically fixed with a conductive rod (19), the conductive plates (18) are connected to the surfaces of the two corresponding conductive rods (19) in a sliding manner, conductive blocks (20) are fixed to one side wall of each conductive plate (18), a shell cover (21) is attached to one side wall of the shell (1), one end of a rotating shaft of the rotor (3) penetrates through one side wall of the shell cover (21), conductive plates (22) are symmetrically installed and communicated with one side wall of the shell cover (21), conductive heads (23) are fixed to one ends of the conductive plates (22), one side wall of each conductive head (23) is attached to one side wall of the corresponding conductive block (20), connecting rods (24) are symmetrically fixed to one side wall of the shell cover (21), first trapezoidal blocks (25) are fixed to one ends of the connecting rods (24), pull rods (26) are slidably penetrated through two side walls of the shell (1), pull handles (27) are fixed to one ends of the pull rods (26), the other end of pull rod (26) all is fixed with second trapezoidal piece (28), the outside of pull rod (26) all is equipped with third spring (29), the both ends of third spring (29) respectively with a lateral wall of second trapezoidal piece (28) and the adjacent one side inner wall fixed connection of casing (1), a lateral wall of second trapezoidal piece (28) and a lateral wall laminating of adjacent first trapezoidal piece (25).

2. A high precision high stability dc brush motor according to claim 1, characterized in that: a side wall of the pressing block (11) is fixedly provided with a T-shaped block (30), a side wall of the vertical plate (8) is provided with a T-shaped groove (31), and the T-shaped block (30) is connected in the T-shaped groove (31) in a sliding mode.

3. A high precision high stability dc brush motor according to claim 1, characterized in that: slide holes (32) are symmetrically formed in one side wall of the conductive plate (18), and the conductive rod (19) penetrates through the corresponding slide holes (32).

4. A high precision high stability dc brush motor according to claim 1, characterized in that: one end of each conducting rod (19) is fixed with a stop block (33).

5. A high precision high stability dc brush motor according to claim 1, characterized in that: through holes (34) are formed in two side walls of the shell (1), and the pull rod (26) penetrates through the corresponding through holes (34).

6. A high precision high stability dc brush motor according to claim 1, characterized in that: the first trapezoidal block (25) is parallel to the inclined plane of the corresponding second trapezoidal block (28).

7. A high precision high stability dc brush motor according to claim 1, characterized in that: positioning blocks (35) are symmetrically fixed on one side wall of the shell cover (21), positioning grooves (36) are symmetrically formed in one end of the shell (1), and the positioning blocks (35) are respectively inserted into the corresponding positioning grooves (36).

8. A high precision high stability dc brush motor according to claim 1, characterized in that: a first through hole (37) is formed in one side wall of the shell (1), a second through hole (38) is formed in one side wall of the shell cover (21), and two ends of a rotating shaft of the rotor (3) penetrate through the first through hole (37) and the second through hole (38) respectively.