CN203014570U - Connection structure of brush rack and motor housing - Google Patents
Connection structure of brush rack and motor housing Download PDFInfo
- Publication number
- CN203014570U CN203014570U CN 201220735919 CN201220735919U CN203014570U CN 203014570 U CN203014570 U CN 203014570U CN 201220735919 CN201220735919 CN 201220735919 CN 201220735919 U CN201220735919 U CN 201220735919U CN 203014570 U CN203014570 U CN 203014570U
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- CN
- China
- Prior art keywords
- elastic claw
- blind slot
- brush holder
- elastic
- syndeton
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a connection structure of a brush rack and a motor housing comprising at least two elastic tensioning claws disposed on the brush racks and a clamping groove disposed in the motor housing. Each of the elastic tensioning claws comprises two elastic claw arms, tail ends of which are connected together. An approaching gap is disposed between the two elastic claw arms, and a head position-restricted hook plate is disposed on at least one of the elastic claw arms. The clamping groove comprises a blind slot, and the distance between two side walls of the blind slot is smaller than the approaching gap. At least one of the side walls of the blind slot is provided with a clamping edge extending toward the other side wall. Elastic outer side edges of the two elastic claw arms are limited in the two side walls of the blind slot, and upper edges and lower edges of the elastic claw arms respectively abut against clamping edges of the blind slot and the groove bottom. By using the connection structure, the elastic connection between the brush rack and the housing can be realized, the vibration of a brush rack plate can be reduced, the noise of the motor can be reduced, and the service lifetime of the motor can be prolonged.
Description
Technical field
The utility model relates to a kind of syndeton, refers to especially the syndeton of a kind of brush holder and motor case.
Background technology
Along with developing rapidly of auto industry, people are more and more stricter to the requirement of the comfortableness of automobile and Noise and Vibration Control.The noise of motor is the important indicator of weighing a motor performance, also is related to quality and the useful life of motor.Carbon brush and brush holder are the important component parts of motor.What adopt due to brush motor is the mechanical contact exchange system, must have friction between commutator and brush, causes whole brush holder vibration-generating on housing, the noise when having strengthened motor rotation.Syndeton between brush holder and housing is mainly to fix by the mode of crimping at present, be that brush holder is provided with several and hangs the edge, brush holder is placed in housing, hang along hanging over the upper along on face of housing, and by end cap, brush holder is fixed, the vibrations of this mounting means brush holder can pass to housing, thereby have strengthened the running noises of motor, and the connection of hanging between edge and brush holder is produced certain destruction, thereby the useful life of having reduced motor.
The utility model content
Technical problem to be solved in the utility model is: the syndeton that a kind of brush holder and motor case are provided, this syndeton can be connected brush holder with casing elasticity, well reduce the vibration of brush rack plate, reduced the noise of motor, also extended the useful life of motor.
For solving the problems of the technologies described above, the technical solution of the utility model is: the syndeton of a kind of brush holder and motor case, this syndeton comprises at least two group elastic tension pawls that are arranged on brush holder, is arranged on the draw-in groove that is used for clamping the elastic tension pawl on motor case, described elastic tension pawl comprises two elastic claw arms that tail end is connected, be provided with between these two elastic claw arms be convenient to the elastic claw arm each other elasticity draw close draw close the gap, the head of described at least one elastic claw arm is provided with the spacing hook plate of hook casing outer peripheral face; Described draw-in groove comprises from the casing vertically the blind slot to downward-extension, and the distance between this blind slot two side is less than drawing close the gap; In the two side of described blind slot, at least one sidewall is provided with the card edge of extending to another sidewall, and edge, two elastic claw arm elasticity outsides is constrained in the two side of blind slot, and the upper edge of elastic claw arm and lower edge are respectively against blind slot card edge and bottom land.
As a kind of preferred scheme, also be provided with the inner lining structure corresponding with elastic tension pawl number on described brush holder, this inner lining structure comprises the interior pad that is arranged on brush holder, in this, outer peripheral face and the casing inner peripheral surface of pad are suitable.
As a kind of preferred scheme, one in described two elastic claw arms is provided with spacing hook plate, and another elastic claw arm is provided with the protection convex edge, and this protection convex edge is in drawing close in the gap of two elastic claw arms.
As a kind of preferred scheme, the head of described two elastic claw arms is equipped with spacing hook plate, and described two spacing hook plates are respectively from the outer peripheral face of the two side of both sides hook blind slot or equal bottom outer peripheral faces of hook blind slot downwards.
As a kind of preferred scheme, described spacing hook plate comprises the hook card along the upper hook section of outer peripheral face, and the upper surface of upper hook section is higher than the upper surface of elastic claw arm.
As a kind of preferred scheme, be equipped with the card edge on the two side of described blind slot, the two side of described blind slot is provided with the auxiliary tank that extends towards both sides, and this card is along being the upper edge of auxiliary tank.
As a kind of preferred scheme, the connecting portion of described two elastic claw arm afterbodys is provided with reinforcement.
After having adopted technique scheme, effect of the present utility model is: brush holder utilizes two to have flexible elastic claw arm and snap onto in draw-in groove, elastic tension power between the elastic claw arm has been fixed on casing brush holder is flexible, and card edge and bottom land this limited the upper and lower position of elastic claw arm, when motor runs up like this, the relative position of self can be regulated and fix to brush holder automatically, well reduced the vibration of brush holder, reduced the noise of motor.
Again owing to also being provided with the inner lining structure corresponding with elastic tension pawl number on described brush holder, this inner lining structure comprises the interior pad that is arranged on brush holder, in being somebody's turn to do, outer peripheral face and the casing inner peripheral surface of pad are suitable, therefore, the outer peripheral face of casing coordinates with the spacing hook plate of elastic tension pawl, inner peripheral surface coordinates with interior pad, thereby has well retrained brush holder, and relatively simple and convenient is installed also.
Be provided with spacing hook plate due to one in described two elastic claw arms again; another elastic claw arm is provided with protects the convex edge; this protection convex edge is in drawing close in the gap of two elastic claw arms; therefore; the extreme position that two elastic claw arms close up can be limited in this protection convex edge, avoids overexerting making and closes up between the elastic claw arm excessively and the phenomenon of fracture.
Be equipped with again the card edge on two side due to described blind slot, the two side of described blind slot is provided with the auxiliary tank that extends towards both sides, and this card is along be the upper edge of auxiliary tank, therefore, card along and the two side of blind slot can well coordinate with the elastic claw arm, the quality of fit raising.
Description of drawings
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is not with the stereogram of the brush holder of upper hook section in the utility model embodiment;
Fig. 2 is the stereogram of another angle of brush holder in the utility model embodiment;
Fig. 3 is that in the utility model embodiment, brush holder is arranged on stereogram on casing;
Fig. 4 is the structural representation of the connecting portion of brush holder and casing in the utility model embodiment;
Fig. 5 is the structural representation of the elastic tension pawl of brush holder in the utility model embodiment;
In accompanying drawing: 1. brush holder; 2. elastic tension pawl; 21. elastic claw arm; 22. spacing hook plate; 221. upper hook section; 23. protection convex edge; 3. interior pad; 4. casing; 41. draw-in groove; 42. auxiliary tank; 43. card edge.
Embodiment
Below by specific embodiment, the utility model is described in further detail.
Upper and lower described in the utility model is that the end cap with casing 4 is determined when being in the top.
As extremely shown in Figure 5 in Fig. 1, the syndeton of a kind of brush holder and motor case, this syndeton comprises at least two group elastic tension pawls 2 that are arranged on brush holder 1, the group number of the present embodiment Elastic tensioning pawl 2 is the centre bore circumference uniform distribution of four groups of also relative brush holders 1, corresponding, motor case 4 is provided with four draw-in grooves 41 that are used for clamping elastic tension pawl 2, described elastic tension pawl 2 comprises two elastic claw arms 21 that tail end is connected, the connecting portion of described two elastic claw arm 21 afterbodys is provided with reinforcement, and this reinforcement can be strengthened the intensity of elastic claw arm 21.Be provided with between these two elastic claw arms 21 be convenient to elastic claw arm 21 each other elasticity draw close draw close the gap, the head of described at least one elastic claw arm 21 is provided with the spacing hook plate 22 of hook casing 4 outer peripheral faces; The head that only has an elastic claw arm 21 in the present embodiment arranges spacing hook plate 22; another elastic claw arm 21 arranges protects convex edge 23; this protection convex edge 23 is in drawing close in the gap of two elastic claw arms 21; when firmly clutching two elastic claw arms 21; existence due to protection convex edge 23; stop when elastic claw arm 21 contact protection convex edge 23, elastic claw arm 21 can not split because overexerting, guarantee syndeton firmly.As shown in Figure 1, hook section 221 is not set on this spacing hook plate 22, this spacing hook plate 22 is on the outer peripheral face of hook casing 4 from the side, and Fig. 2 is to shown in Figure 5, described spacing hook plate 22 comprises the hook card along the upper hook section 221 of 44 outer peripheral faces, and the upper surface of upper hook section 221 is higher than the upper surface of elastic claw arm 21.Like this, whole brush holder 1 can catch on casing 4 outer peripheral faces by four spacing hook plates 22.
Corresponding, described draw-in groove 41 comprises from the casing 4 vertically the blind slot to downward-extension, and the distance between this blind slot two side is less than drawing close the gap; In the two side of described blind slot, at least one sidewall is provided with the card that extends to another sidewall along 44, two elastic claw arms 21 elasticity outsides along being constrained in the two side of blind slot, and the upper edge of elastic claw arm 21 and lower edge are respectively against the blind slot card along 44 and bottom land.Certainly, also can be equipped with card on the two side of described blind slot along 44, the two side of described blind slot is provided with the auxiliary tank 42 that extends towards both sides, this card is the upper edge of auxiliary tank 42 along 44, owing to may have a mao defect on the side of elastic claw arm 21, the existence of auxiliary tank 42 can be so that the sidewall of elastic claw arm 21 and auxiliary tank 42 and upper along coordinating.
Certainly, the head of described two elastic claw arms 21 is equipped with spacing hook plate 22, and described two spacing hook plates 22 are respectively from the outer peripheral face of the two side of both sides hook blind slot or equal bottom outer peripheral faces of hook blind slot downwards.And in these two elastic claw arms 21 one can also be provided with protection convex edge 23.
Also be provided with the inner lining structure corresponding with elastic tension pawl 2 numbers on described brush holder 1, this inner lining structure comprises the interior pad 3 that is arranged on brush holder 1, and in this, outer peripheral face and casing 4 inner peripheral surfaces of pad 3 are suitable.
The above is only preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvement, these improvement also should be considered as protection range of the present utility model.
Claims (7)
1. the syndeton of a brush holder and motor case, it is characterized in that: this syndeton comprises at least two group elastic tension pawls that are arranged on brush holder, is arranged on the draw-in groove that is used for clamping the elastic tension pawl on motor case, described elastic tension pawl comprises two elastic claw arms that tail end is connected, be provided with between these two elastic claw arms be convenient to the elastic claw arm each other elasticity draw close draw close the gap, the head of described at least one elastic claw arm is provided with the spacing hook plate of hook casing outer peripheral face; Described draw-in groove comprises from the casing vertically the blind slot to downward-extension, and the distance between this blind slot two side is less than drawing close the gap; In the two side of described blind slot, at least one sidewall is provided with the card edge of extending to another sidewall, and edge, two elastic claw arm elasticity outsides is constrained in the two side of blind slot, and the upper edge of elastic claw arm and lower edge are respectively against blind slot card edge and bottom land.
2. the syndeton of a kind of brush holder as claimed in claim 1 and motor case, it is characterized in that: also be provided with the inner lining structure corresponding with elastic tension pawl number on described brush holder, this inner lining structure comprises the interior pad that is arranged on brush holder, and in this, outer peripheral face and the casing inner peripheral surface of pad are suitable.
3. the syndeton of a kind of brush holder as claimed in claim 1 or 2 and motor case; it is characterized in that: one in described two elastic claw arms is provided with spacing hook plate; another elastic claw arm is provided with the protection convex edge, and this protection convex edge is in drawing close in the gap of two elastic claw arms.
4. the syndeton of a kind of brush holder as claimed in claim 1 or 2 and motor case, it is characterized in that: the head of described two elastic claw arms is equipped with spacing hook plate, and described two spacing hook plates are respectively from the outer peripheral face of the two side of both sides hook blind slot or equal bottom outer peripheral faces of hook blind slot downwards.
5. the syndeton of a kind of brush holder as claimed in claim 4 and motor case is characterized in that: described spacing hook plate comprises the hook card along the upper hook section of outer peripheral face, and the upper surface of upper hook section is higher than the upper surface of elastic claw arm.
6. the syndeton of a kind of brush holder as claimed in claim 5 and motor case is characterized in that: be equipped with the card edge on the two side of described blind slot, the two side of described blind slot is provided with the auxiliary tank that extends towards both sides, and this card is along being the upper edge of auxiliary tank.
7. the syndeton of a kind of brush holder as claimed in claim 6 and motor case, it is characterized in that: the connecting portion of described two elastic claw arm afterbodys is provided with reinforcement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220735919 CN203014570U (en) | 2012-12-27 | 2012-12-27 | Connection structure of brush rack and motor housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220735919 CN203014570U (en) | 2012-12-27 | 2012-12-27 | Connection structure of brush rack and motor housing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203014570U true CN203014570U (en) | 2013-06-19 |
Family
ID=48606127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220735919 Withdrawn - After Issue CN203014570U (en) | 2012-12-27 | 2012-12-27 | Connection structure of brush rack and motor housing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203014570U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103001388A (en) * | 2012-12-27 | 2013-03-27 | 张家港朗信电气有限公司 | Connecting structure for brush carrier and motor casing |
-
2012
- 2012-12-27 CN CN 201220735919 patent/CN203014570U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103001388A (en) * | 2012-12-27 | 2013-03-27 | 张家港朗信电气有限公司 | Connecting structure for brush carrier and motor casing |
| CN103001388B (en) * | 2012-12-27 | 2014-09-17 | 江苏朗信电气有限公司 | Connecting structure for brush carrier and motor casing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: JIANGSU LANGXIN ELECTRIC CO., LTD. Free format text: FORMER NAME: ZHANGJIAGANG LANGXIN ELECTRIC CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 215625, Jiangsu, Zhangjiagang, Fengzhen, Jiangsu Yangtze River International Metallurgical Industry Park, Yang Kam Road on the east side of Jiangsu long letter Electric Co., Ltd. Patentee after: JIANGSU LANGXIN ELECTRIC CO., LTD. Address before: 215600, Suzhou, Jiangsu, Zhangjiagang province Fengzhen Kam Yang Road, No. 348, Zhangjiagang long letter Electric Co., Ltd. Patentee before: Zhangjiagang Langxin Electric Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130619 Effective date of abandoning: 20140917 |
|
| RGAV | Abandon patent right to avoid regrant |