CN217062775U - Spiral contact piece commutator capable of reducing noise - Google Patents

Abstract

The utility model discloses a spiral contact piece commutator of degradable noise, including left casing and right casing, the equal fixedly connected with bottom plate in bottom of left side casing and right casing, two equal fixedly connected with hornpieces of interior angle departments at left side casing and right casing top, the inside of horn is provided with the spout, fixed connection is in reset spring's one end on the inner wall of spout, reset spring's other end fixed connection is in the one end of slide bar. The utility model discloses in, at first put into the limiting groove of one of them of left casing or right casing with the limiting plate of commutator body bottom to make the locating part fix the top of commutator body under reset spring's effect, another left casing or right casing cover the opposite side of commutator body this moment, and fix under the cooperation of latch fitting and fastener, simultaneously through fixing mounting hole and fixed orifices, dismantle it otherwise, the operating personnel's of being convenient for use and dismantlement.

Description

Spiral contact piece commutator capable of reducing noise

Technical Field

The utility model relates to a commutator technical field especially relates to a spiral contact commutator of degradable noise.

Background

A commutator, commonly known as a commutator, comprising: the commutator adopted on the starter for the automobile mainly uses a mechanical arched commutator and a plastic commutator which are parts on a direct current permanent magnet series motor for enabling the motor to continuously rotate, structurally, the commutator is a circular shape formed by a plurality of contact pieces, the contact pieces are respectively connected with each tap on a rotor, and the outer edge of the commutator is connected with two electrodes which are called electric brushes to be in contact with the commutator and only contact two of the electric brushes.

Chinese patent document CN213461377U discloses a spiral contact piece commutator of making an uproar can fall, including the install bin, the inside of install bin is provided with the commutator body, there is the acoustic celotex board inboard of install bin through connecting rod fixed mounting, it inhales the sound cotton to fill between the inboard of install bin and the outside of acoustic celotex board, there is the switch door in the front of install bin through hinge swivelling joint. Although foretell commutator is used for preventing the noise that the commutator body produced when the function from spreading through setting up the install bin, noise pollution has been reduced, inhale sound cotton and acoustic celotex board through the setting and mutually support and be used for eliminating the noise that the commutator body produced, the inside of noise transmission install bin prevents, cause noise pollution around, solved current spiral contact plate commutator simultaneously and can send great noise at the during operation, cause the harm to staff's in the noise healthy for a long time, influence the problem of staff's mood of work simultaneously, but wholly when installing, be unfavorable for adapting to the commutator of equidimension not, practical scope is less, whole lack stability simultaneously, cause the phenomenon that drops easily, be unfavorable for using.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a spiral contact piece commutator capable of reducing noise.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a spiral contact piece commutator capable of reducing noise comprises a left shell and a right shell, wherein the bottom ends of the left shell and the right shell are fixedly connected with a bottom plate, the two inner corners of the top parts of the left shell and the right shell are both fixedly connected with corner pieces, the inside of each corner piece is provided with a chute, the inner wall of the sliding chute is fixedly connected with one end of a return spring, the other end of the return spring is fixedly connected with one end of a sliding rod, the other end of the slide bar penetrates through the slide groove and is fixedly connected with one side of the limiting piece, limiting grooves are arranged on the inner walls of the bottom ends of the left shell and the right shell, the inner parts of the two limiting grooves are respectively arranged at the bottom ends of the limiting plates, the top fixedly connected with commutator body of limiting plate, the equal fixedly connected with latch fitting in both sides around the left side casing top, the equal fixedly connected with fastener in both sides around the right side casing top.

As a further description of the above technical solution:

and mounting holes are formed in the two separated sides of the bottom plates.

As a further description of the above technical solution:

the driving end of the commutator body penetrates through the left shell and the right shell.

As a further description of the above technical solution:

the locking piece is clamped with the clamping piece.

As a further description of the above technical solution:

two one side that the bottom plate is relative all is provided with the fixed orifices, the fixed orifices is semicircle shape.

As a further description of the above technical solution:

the sliding chute is connected with the sliding rod in a sliding manner.

As a further description of the above technical solution:

the other sides of the four limiting parts are respectively contacted with the edges of four corners of the top of the commutator body.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, at first put into the limiting groove of one of them left casing or right casing with the limiting plate of commutator body bottom, and make the locating part fix one side at commutator body top under reset spring's effect, another left casing or right casing cover the opposite side of commutator body this moment, this moment under the cooperation of latch fitting and fastener, make left casing and right casing fix, because the fixed orifices is half circular, and then make two fixed orificess constitute the shape of a circle when left casing and right casing are to the laminating, this moment through fixing the mounting hole after, fix the fixed orifices again, and then it is fixed with left casing and right casing, otherwise dismantle it, the operating personnel's of being convenient for use and dismantlement.

2. The utility model discloses in, owing to under reset spring's effect, can make the slide bar slide in the spout to can carry out the not spacing of fixing to the commutator body of equidimension, and under reset spring's effect, the cooperation locating part can firmly be fixed the commutator body in the inside of left casing and right casing, reduces rocking of commutator body, has played the effect of making an uproar of falling.

Drawings

Fig. 1 is a perspective view of a helical contact commutator capable of reducing noise according to the present invention;

fig. 2 is a schematic view of a right housing of a helical contact commutator capable of reducing noise according to the present invention;

fig. 3 is a schematic view of the connection of the slide rod in the helical contact commutator of the present invention.

Illustration of the drawings:

1. a left housing; 2. a lock; 3. clamping the piece; 4. a right housing; 5. a commutator body; 6. mounting holes; 7. a fixing hole; 8. a base plate; 9. a corner fitting; 10. a limiting member; 11. a slide bar; 12. a limiting plate; 13. a limiting groove; 14. a chute; 15. a return spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a spiral contact piece commutator capable of reducing noise comprises a left shell 1 and a right shell 4, wherein the bottom ends of the left shell 1 and the right shell 4 are fixedly connected with a bottom plate 8, two inner corners of the top parts of the left shell 1 and the right shell 4 are fixedly connected with corner pieces 9, the inside of the corner pieces 9 is provided with a sliding groove 14, the inner wall of the sliding groove 14 is fixedly connected with one end of a reset spring 15, the other end of the reset spring 15 is fixedly connected with one end of a sliding rod 11, the other end of the sliding rod 11 penetrates through the sliding groove 14 and is fixedly connected with one side of a limiting piece 10, the inner walls of the bottom ends of the left shell 1 and the right shell 4 are respectively provided with a limiting groove 13, the inside of the two limiting grooves 13 are respectively arranged at the bottom end of a limiting plate 12, the top end of the limiting plate 12 is fixedly connected with a commutator body 5, the front side and the back side of the top end of the left shell 1 are respectively fixedly connected with a locking piece 2, the front side and back side of the top part of the right shell 4 are respectively fixedly connected with a clamping piece 3, put into left casing 1 or the spacing groove 13 of one of right casing 4 with limiting plate 12 of 5 bottoms of commutator body, and make locating part 10 fix one side at 5 tops of commutator body under reset spring 15's effect, another left casing 1 or right casing 4 cover the opposite side of commutator body 5 this moment, this moment under the cooperation of latch fitting 2 and fastener 3, make left casing 1 and right casing 4 fix, because fixed orifices 7 are semicircle form, and then make two fixed orifices 7 constitute a round shape when left casing 1 and right casing 4 are to the laminating, this moment through fixing mounting hole 6 the back, fix fixed orifices 7 again, and then fix left casing 1 and right casing 4, otherwise dismantle it.

One side of each of the two base plates 8 which is separated from each other is provided with a mounting hole 6, the fixing holes 7 are semicircular, so that the two fixing holes 7 form a circular shape when the left shell 1 and the right shell 4 are attached to each other, at the moment, the fixing holes 7 are fixed after the mounting holes 6 are fixed, so that the left shell 1 and the right shell 4 are fixed, the driving end of the commutator body 5 penetrates through the left shell 1 and the right shell 4, the locking piece 2 and the locking piece 3 are mutually clamped, the fixing holes 7 are arranged on one sides of the two base plates 8 which are opposite to each other, the fixing holes 7 are semicircular, the sliding chute 14 is in sliding connection with the sliding rod 11, the other sides of the four limiting pieces 10 are respectively contacted with the edges of the four corners of the top of the commutator body 5, and under the action of the reset spring 15, the sliding rod 11 can slide in the sliding chute 14, so that the commutator bodies 5 with different sizes can be fixed and limited, under the action of the return spring 15, the commutator body 5 can be firmly fixed inside the left shell 1 and the right shell 4 by matching with the limiting part 10, so that the shaking of the commutator body 5 is reduced, and the noise reduction effect is realized.

The working principle is as follows: firstly, a limit plate 12 at the bottom of a commutator body 5 is placed in a limit groove 13 of one of a left shell 1 or a right shell 4, a limit piece 10 is enabled to fix one side of the top of the commutator body 5 under the action of a return spring 15, the other left shell 1 or the right shell 4 covers the other side of the commutator body 5, the left shell 1 and the right shell 4 are fixed under the cooperation of a locking piece 2 and a clamping piece 3, because the fixing hole 7 is semicircular, the two fixing holes 7 form a circular shape when the left shell 1 and the right shell 4 are attached, at the moment, after the mounting hole 6 is fixed, the fixing hole 7 is fixed, the left shell 1 and the right shell 4 are further fixed, otherwise, the left shell 1 and the right shell 4 are detached, the use and the detachment of an operator are convenient, and simultaneously, under the action of the return spring 15, a slide rod 11 can slide in a slide groove 14, therefore, the commutator bodies 5 of different sizes can be fixed in a limiting mode, under the action of the reset spring 15, the commutator bodies 5 can be firmly fixed inside the left shell 1 and the right shell 4 by the aid of the matched limiting part 10, shaking of the commutator bodies 5 is reduced, and noise reduction is achieved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions on some technical features, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims (7)

1. The utility model provides a spiral contact plate commutator of degradable noise, includes left casing (1) and right casing (4), its characterized in that: the bottom of the left shell (1) and the bottom of the right shell (4) are fixedly connected with a bottom plate (8), two inner corners at the top of the left shell (1) and the right shell (4) are fixedly connected with corner fittings (9), a sliding groove (14) is arranged inside the corner fittings (9), one end of a reset spring (15) is fixedly connected to the inner wall of the sliding groove (14), the other end of the reset spring (15) is fixedly connected to one end of a sliding rod (11), the other end of the sliding rod (11) penetrates through the sliding groove (14) and is fixedly connected to one side of a limiting part (10), limiting grooves (13) are arranged on the inner walls of the bottom of the left shell (1) and the right shell (4), the two inner parts of the limiting grooves (13) are respectively arranged at the bottom of a limiting plate (12), and the top end of the limiting plate (12) is fixedly connected with a commutator body (5), the equal fixedly connected with latch fitting (2) in both sides around left side casing (1) top, the equal fixedly connected with fastener (3) in both sides around right side casing (4) top.

2. A spiral contact commutator for reducing noise as claimed in claim 1, wherein: and mounting holes (6) are formed in the two separated sides of the bottom plates (8).

3. A noise-reducing spiral-contact commutator as claimed in claim 1, wherein: the driving end of the commutator body (5) penetrates through the left shell (1) and the right shell (4).

4. A spiral contact commutator for reducing noise as claimed in claim 1, wherein: the locking piece (2) and the clamping piece (3) are mutually clamped.

5. A spiral contact commutator for reducing noise as claimed in claim 1, wherein: two one side that bottom plate (8) are relative all is provided with fixed orifices (7), fixed orifices (7) are the shape of semicircle.

6. A noise-reducing spiral-contact commutator as claimed in claim 1, wherein: the sliding chute (14) is connected with the sliding rod (11) in a sliding manner.

7. A spiral contact commutator for reducing noise as claimed in claim 1, wherein: the other sides of the four limiting parts (10) are respectively contacted with the edges of the four corners of the top of the commutator body (5).

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