CN207968188U - Nose assembly and electric pushrod - Google Patents
Nose assembly and electric pushrod Download PDFInfo
- Publication number
- CN207968188U CN207968188U CN201820150714.4U CN201820150714U CN207968188U CN 207968188 U CN207968188 U CN 207968188U CN 201820150714 U CN201820150714 U CN 201820150714U CN 207968188 U CN207968188 U CN 207968188U
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- Prior art keywords
- casing
- sleeve
- nose assembly
- carbon brush
- limiting slot
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Abstract
The utility model discloses a kind of nose assembly and electric pushrod,The nose assembly includes drive component,First sleeve and the second casing,By the way that the second casing is sheathed on outside first sleeve,Drive component is at least partially housed in first sleeve,And drive component is limited in first sleeve,Ensure drive component at work,Drive component is coaxially disposed with first sleeve,In addition,Second casing and first sleeve one of both are equipped at least one first locating part,The another of the two is equipped at least one first limiting slot,First sleeve is limited in the second casing by the cooperation of the first locating part and the first limiting slot,It limits and fixes between first sleeve and the second casing,When drive component works,Be not in axial rotation between first sleeve and the second casing,It avoids drive component disalignment and noise is caused to increase,Reduce the abrasion of drive component,And then extend the service life of electric pushrod,In addition,The nose assembly assembling structure is simple,Reduce cost.
Description
Technical field
The utility model is related to electric pushrod technical field, more particularly to a kind of nose assembly and with the nose assembly
Electric pushrod.
Background technology
Electric pushrod also known as linear actuator are a kind of linear reciprocation fortune that the rotary motion of motor is changed into push rod
Dynamic power-driven gear.Its working principle is that motor after The gear deceleration, drives a pair of of feed screw nut, the rotation of motor
Transhipment is dynamic to be become to move along a straight line, and putter action is completed using motor forward/backward rotation.
Current existing electric pushrod includes mainly head section and pusher section, head section include motor, reduction box,
Hall sensor pcb board and casing etc., motor, reduction box and Hall sensor pcb board are contained in casing, motor and deceleration
It is fixed by screw between case, is rotated by machine shaft and the shaft of reduction box is driven to rotate, reduction box drives push rod portion
Point linear motion carries out opening and closing car door to realize that pusher section is flexible with this.Since electric pushrod is boosting weight
Entire electric pushrod can be under pressure when object (such as tail-gate), and casing mainly carries out motor, reduction box and Hall sensor axial
Support, motor is slightly slanted for a long time can cause the shaft of motor to deform, behind motor disalignment, rotor in motor and
Concentricity is low between carbon brush, easy tos produce friction, and carbon brush abrasion is serious, and noise is big, to influence the service life of electric pushrod,
In addition, integrally-built assembly cost is high.
Utility model content
The main purpose of the utility model is to provide a kind of nose assembly, it is intended to extend the service life of electric pushrod, drop
Low assembly cost.
To achieve the above object, the utility model proposes nose assembly, be applied to electric pushrod, the nose assembly packet
It includes：
Drive component；
First sleeve, the driving component are at least partly accommodated and are limited in the first sleeve；
Second casing, second casing are sheathed on outside the first sleeve, second casing and the first sleeve
One of both is equipped at least one first locating part, and the another of the two passes through equipped at least one first limiting slot, the first sleeve
The cooperation of first locating part and first limiting slot and be limited in second casing.
Preferably, the driving component includes the rotor being contained in the first sleeve and is contained in described second set
Carbon brush in pipe, the carbon brush are rotatablely connected with the rotor, and the nose assembly further includes being supported with described first sleeve one end
The carbon brush holder connect, described rotor one end are limited in the carbon brush holder, and the carbon brush is installed on the carbon brush holder, the carbon brush holder and
The second casing one of both be equipped at least one second locating part, the two it is another be equipped at least one second limiting slot, it is described
Carbon brush holder is limited in second casing by the cooperation of second locating part and second limiting slot.
Preferably, the nose assembly further includes the bearing abutted far from described carbon brush holder one end with the first sleeve
Frame, the bearing bracket stand are rotatablely connected with the rotor, and the rotor is limited between the carbon brush holder and the bearing bracket stand, described
Bearing bracket stand and the second casing one of both are equipped with an at least third locating part, and the another of the two limits equipped with an at least third
Slot, the bearing bracket stand are limited in second casing by the cooperation of the third locating part and third limiting slot.
Preferably, the nose assembly further includes the reduction box being contained in second casing, and the rotor passes through institute
Bearing bracket stand to be stated to connect with the reduction box, the reduction box is abutted with the one end of the bearing bracket stand far from the first sleeve, and
The reduction box is limited in second casing.
Preferably, the nose assembly further includes the nut abutted far from described bearing bracket stand one end with the reduction box, institute
Nut is stated to be detachably connected with second casing.
Preferably, the reduction box and the second casing one of both are equipped at least one the 4th locating part, and the two is another
One is equipped at least one the 4th limiting slot, and the reduction box is limited in by the cooperation of the 4th locating part and the 4th limiting slot
Second casing；And/or the nut and the reduction box one of both are equipped with clamping part, the another of the two is equipped with engaging
Portion, the reduction box are limited in the nut by the cooperation of the clamping part and the holding section.
Preferably, the nose assembly further include be set to supporting rack of the carbon brush holder far from described first sleeve one end and
Set on the Hall sensor pcb board of support frame as described above, the Hall sensor pcb board is electrically connected with the carbon brush, the support
Frame and the second casing one of both are equipped at least one the 5th locating part, and the another of the two is equipped at least one the 5th limiting slot,
Support frame as described above is limited in second casing by the cooperation of the 5th locating part and the 5th limiting slot.
Preferably, the nose assembly further includes the end cap abutted with the one end of support frame as described above far from the carbon brush holder,
And the end cap is detachably connected with second casing.
Preferably, the inner wall of second casing along its it is circumferentially-spaced set there are four the first locating part, the first sleeve
Outer wall along its it is circumferentially-spaced set there are four the first limiting slot, each locating part and a limiting slot mating connection.
The utility model also provides a kind of electric pushrod, which includes above-described nose assembly.
The nose assembly of technical solutions of the utility model includes drive component, first sleeve and the second casing, by by
Two casings are sheathed on outside first sleeve, and drive component is at least partially housed in first sleeve, and drive component is limited in first
Casing ensures drive component at work, and drive component is coaxially disposed with first sleeve, in addition, the second casing and first sleeve
One of both is equipped at least one first locating part, and the another of the two passes through first equipped at least one first limiting slot, first sleeve
The cooperation of locating part and the first limiting slot and be limited in the second casing, between first sleeve and the second casing limit fix, driving
Be not in axial rotation between first sleeve and the second casing when component operation, avoid drive component disalignment and cause
Noise increases, and reduces the abrasion of drive component, and then extend the service life of electric pushrod, in addition, the nose assembly assembles
It is simple in structure, reduce cost.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of one embodiment of the utility model nose assembly；
Fig. 2 is the part configuration schematic diagram of nose assembly in Fig. 1；
Fig. 3 is the structural schematic diagram at another visual angle of the utility model nose assembly；
Fig. 4 is the part configuration schematic diagram of nose assembly in Fig. 3；
Fig. 5 is the configuration schematic diagram of one embodiment of the utility model nose assembly.
Drawing reference numeral explanation：
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining relative position relation, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. should do broad sense reason
Solution, for example, " fixation " may be a fixed connection, may be a detachable connection, or integral；It can be mechanical connection, also may be used
To be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary the connection inside two elements
Or the interaction relationship of two elements, unless otherwise restricted clearly.It for the ordinary skill in the art, can be with
The concrete meaning of above-mentioned term in the present invention is understood as the case may be.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and cannot manage
Solution is instruction or implies its relative importance or implicitly indicates the quantity of indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include at least one of the features.In addition, the skill between each embodiment
Art scheme can be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when technical solution
It will be understood that the combination of this technical solution is not present in conjunction with there is conflicting or cannot achieve when, also not in the utility model
It is required that protection domain within.
The utility model proposes a kind of nose assemblies 100, are mainly used in electric pushrod.
Fig. 1 to Fig. 4 is please referred to, in the utility model embodiment, which includes：
Drive component 30；
First sleeve 20, the driving component 30 are limited in the first sleeve 20；
Second casing 10, second casing 10 are sheathed on outside the first sleeve 20, second casing 10 and described
20 one of both of first sleeve is equipped at least one first locating part 11, and the another of the two is equipped at least one first limiting slot 21, institute
It states first sleeve 20 and second casing is limited in by the cooperation of first locating part 11 and first limiting slot 21
10。
Specifically, the second casing 10 is substantially cylindrical, there is an accommodating chamber (not shown), drive component 30 to be contained in
Accommodating chamber, the second casing 10 are used to carry out axial support to being contained in the components such as its internal drive component 30.First sleeve
20 is substantially cylindrical, has an accommodation space (not shown), drive component 30 is at least partially housed in accommodation space, at this
In, drive component 30 is brush motor, and the rotor portion of brush motor is contained in first sleeve 20, and rotor portion is relative to first
Casing 20 rotates, and the carbon brush (not shown) of brush motor is not contained in first sleeve 20, is easily installed drive component 30.Driving
Component 30 is limited in first sleeve 20, and drive component 30 is coaxially disposed with first sleeve 20, will not between the two without axial movement
There is 30 unitary rotation of drive component, to avoid drive component 30 from being deformed due to axial dipole field.
It, can be with herein it should be noted that the end surface shape of the second casing 10 and first sleeve 20 is not limited only to circle
It is polygon or ellipse, this is not restricted.
Second casing 10 and 20 one of both of first sleeve are equipped at least one first locating part 11, and the another of the two is equipped with extremely
Few one first limiting slot 21, first sleeve 20 are limited in second set by the cooperation of the first locating part 11 and the first limiting slot 21
Pipe 10.The inner wall of the present embodiment preferably the second casing 10 along its it is circumferentially-spaced set there are four the first locating part 11, first sleeve 20
Outer wall along its it is circumferentially-spaced set there are four the first limiting slot 21,11 and 1 first limiting slot of each first locating part
21 are connected.First locating part 11 is convexly equipped in the second casing 10, and preferably the first locating part 11 and the second casing 10 are integrated into
The common one such as type is arranged, and stretching mode integrated molding such as can be used, and cold rolling mode is integrally formed, and injection molding manner is integrally formed at
Type mode, convenience and economy in view of processing consider, in this present embodiment, the first locating part 11 and the second casing
10 are molded using integrated drawing and forming mode.Folder between the central axis of 11 and second casing 10 of two neighboring first locating part
Angle ensure that the stability that the second casing 10 is connected with first sleeve 20 in 90 degree of settings.
Certainly, it is not limited only to the first locating part 11 and there are four the first limiting slot 21 sets, may be alternatively provided as two or three,
In order to ensure stability that the second casing 10 is connect with first sleeve 20, preferably multiple first locating parts 11 are symmetrically and evenly distributed in
Second casing 10, multiple first limiting slots 21 are symmetrically and evenly distributed in first sleeve 20.
The nose assembly 100 of technical solutions of the utility model includes drive component 30, first sleeve 20 and the second casing 10,
By the way that the second casing 10 to be sheathed on outside first sleeve 20, drive component 30 is at least partially housed in first sleeve 20, and is driven
Dynamic component 30 is limited in first sleeve 20, ensures drive component 30 at work, drive component 30 is coaxially set with first sleeve 20
It sets, in addition, the second casing 10 and 20 one of both of first sleeve are equipped at least one first locating part 11, the another of the two is equipped with extremely
Few one first limiting slot 21, first sleeve 20 are limited in second set by the cooperation of the first locating part 11 and the first limiting slot 21
Pipe 10 is limited between first sleeve 20 and the second casing 10 and is fixed, when drive component 30 works, first sleeve 20 and the second casing
Be not in axial rotation between 10, avoid 30 disalignment of drive component and noise is caused to increase, reduces drive component 30
Abrasion (the mainly abrasion of carbon brush), and then the service life of electric pushrod is extended, in addition, the nose assembly 100 assembly knot
Structure is simple, reduces cost.
Fig. 2, Fig. 4 and Fig. 5 are please referred to, drive component 30 includes the rotor 31 being contained in the first sleeve 20 and holds
The carbon brush being contained in second casing 10, the carbon brush are rotatablely connected with the rotor 31, and the nose assembly 100 further includes
The carbon brush holder 40 abutted with 20 one end of the first sleeve, 31 one end of the rotor are limited in the carbon brush holder 40, the carbon brush
It is installed on the carbon brush holder 40, the carbon brush holder 40 and 10 one of both of the second casing are equipped at least one second locating part
12, the another of the two is equipped at least one second limiting slot 41, and the carbon brush holder 40 passes through second locating part 12 and described the
The cooperation of two limiting slots 41 and be limited in second casing 10.
It should be understood that drive component 30 includes rotor 31, rotor 31 is arranged with commutator 34,20 viscous of first sleeve
It connects there are two the magnetic shoe 35 being oppositely arranged, rotor 31 is contained in the space that two magnetic shoes 35 surround, when drive component 30 is powered
When work, rotor 31 and commutator 34 rotate, and carbon brush and magnetic shoe 35 do not rotate, to realize that the electric current of rotor 31 alternately changes, separately
Outside, carbon brush is rotatablely connected with rotor 31, and carbon brush holder 40 is equipped with bearing 33, and rotor 31 is connect across bearing 33 with carbon brush, rotor 31
One end is abutted with carbon brush holder 40, to be limited to rotor.Carbon brush holder 40 has holding tank (not shown), and carbon brush is installed on carbon brush
In the holding tank of frame 40, carbon brush holder 40 and 10 one of both of the second casing are equipped at least one second locating part 12, the two it is another
Equipped at least one second limiting slot 41, preferred carbon brush holder 40 is set there are four the second limiting slot 41 in the present embodiment, the second casing 10
If there are four the second locating part 12, the angle between two neighboring second locating part 12 between the central axis of the second casing 10
It is arranged in 90 degree, in order to facilitate processing and installation, the second locating part 12 is connect with the first locating part 11, the second limiting slot 41 and the
One limiting slot 21 is connected to.Carbon brush holder 40 and first sleeve 20 are limited in the second casing 10, coaxial between rotor 31 and carbon brush
Degree is high, and friction is small, reduces the abrasion of carbon brush, extends the service life of electric pushrod, while also reducing noise.
Fig. 2 and Fig. 4 are please referred to, nose assembly 100 further includes with the first sleeve 20 far from 40 one end of the carbon brush holder
The bearing bracket stand 50 of abutting, the bearing bracket stand 50 are rotatablely connected with the rotor 31, and the rotor 31 is limited in the carbon brush holder 40
Between the bearing bracket stand 50, the bearing bracket stand 50 and 10 one of both of the second casing are equipped with an at least third locating part
13, the another of the two is equipped with an at least third limiting slot 51, and the bearing bracket stand 50 is limited by the third locating part 13 and third
Position slot 51 cooperation and be limited in second casing 10.
It should be understood that bearing bracket stand 50 is equipped with bearing 33, rotor 31 is abutted across bearing 33 with bearing bracket stand 50 so that rotor
31 are limited between carbon brush holder 40 and bearing bracket stand 50, it is ensured that rotor 31 is coaxially disposed with first sleeve 20, and bearing bracket stand 50 is contained in
Second casing 10, bearing bracket stand 50 and 10 one of both of the second casing are equipped with equipped with an at least third locating part 13, the another of the two
An at least third limiting slot 51, the preferred bearing bracket stand of the present embodiment 50 are set there are four third limiting slot 51, and the second casing 10 is equipped with four
The angle of a third locating part 13, the central axis of 13 and second casing 10 of two neighboring third locating part is arranged in 90 degree, is
Processing and installation, third locating part 13 and the first locating part 11, second locating part 12 is facilitated to be integrally formed and be arranged, third limit
Slot 51 is connected to the second limiting slot 41 with the first limiting slot 21.
Further, nose assembly 100 further includes the reduction box 60 being contained in second casing 10, the rotor 31
It is connect with the reduction box 60 across the bearing bracket stand 50, the reduction box 60 is with the bearing bracket stand 50 far from the first sleeve
20 one end abuts, and the reduction box 60 is limited in second casing 10.
It should be understood that reduction box 60 is used for the deceleration transmission of electric pushrod, nose assembly in matching electric pushrod is played
100 and push-rod assembly (not shown) rotating speed and transmit the effect of torque, rotor 31 connect across bearing bracket stand 50 with reduction box 60,
The shaft of rotor 31 is connect with the shaft of reduction box 60, and the rotation of rotor 31 drives the shaft rotation of reduction box 60, reduction box 60
Shaft connect push-rod assembly, and then drive push-rod assembly rotation to realize push-rod assembly integral telescopic with this come carry out open and
Closed door, axially without relative movement between reduction box 60 and the second casing 10, when electric pushrod works, reduction box 60 with
Without relative friction between bearing bracket stand 50 and the second casing 10, electric pushrod service life is extended.
Further, nose assembly 100 further includes the spiral shell abutted far from 50 one end of the bearing bracket stand with the reduction box 60
Mother 70, the nut 70 is detachably connected with second casing 10.
It should be understood that nut 70 reinforces head group for being limited to the one end of reduction box 60 far from bearing bracket stand 50
The stability of part 30.Nut 70 is detachably connected with the second casing 10, and detachable connection here is to snap connection or spiral shell
It connects, in the present embodiment, for convenience of installing, preferably nut 70 is to be threadedly coupled with the second casing 10.
Further, reduction box 60 and 10 one of both of the second casing are equipped at least one the 4th locating part 14, the two
It is another be equipped at least one the 4th limiting slot, the cooperation that the reduction box 60 passes through the 4th locating part 14 and the 4th limiting slot
And it is limited in second casing 10.
Reduction box 60 is limited in the second casing 10 there are two types of mode, in an embodiment, 10 liang of reduction box 60 and the second casing
One of person is equipped with the 4th locating part 14, and the another of the two is equipped with the 4th limiting slot (not shown), and the preferred reduction box of the present embodiment is set
There are four the 4th limiting slot, the second casing 10 is set there are four the 4th locating part 14, two neighboring 4th locating part 14 and second set
Angle between the central axis of pipe 10 is in 90 degree of settings, in order to facilitate processing and installation, the limit of the 4th locating part 14 and first
Part 11, the second locating part 12 and third locating part 13 are integrally formed setting, and the 4th limiting slot is limited with third limiting slot 51, second
Slot 41 is connected to the first limiting slot 21.
In another embodiment, nut 70 and 60 one of both of the reduction box are equipped with clamping part 62, and the another of the two is equipped with
Holding section 71, the reduction box 60 are limited in the nut 70 by the cooperation of the clamping part 62 and the holding section 71.
It should be understood that nut 70 and 60 one of both of reduction box are equipped with clamping part 62, the another of the two is equipped with holding section
71, the preferred one end of reduction box 60 far from bearing bracket stand 50 of the present embodiment is convexly equipped with clamping part 62, and nut 70 is equipped with holding section 71, leads to
It crosses clamping part and reduction box 60 is limited in the second casing 10 by the cooperation of holding section 71.
Further, nose assembly 100 further includes being set to branch of the carbon brush holder 40 far from 20 one end of the first sleeve
Support 80 and Hall sensor pcb board (not shown) set on support frame as described above 80, the Hall sensor pcb board and the carbon
Brush electrical connection, support frame as described above 80 and 10 one of both of the second casing are equipped at least one the 5th locating part 15, and the two is another
One is equipped at least one the 5th limiting slot 81, the cooperation that support frame as described above 80 passes through the 5th locating part 15 and the 5th limiting slot 81
And it is limited in second casing 10.
It should be understood that there is supporting rack 80 installation cavity (not shown), Hall sensor pcb board to be set in installation cavity, suddenly
You are electrically connected sensor with carbon brush, specifically, the one end of carbon brush holder 40 far from first sleeve 20, which is equipped with motor, inserts son 32, carbon brush
On lead 32 inserted by motor be connected to Hall sensor pcb board, Hall sensor pcb board be equipped with Hall sensor,
Capacitance resistance device and slotting stroma are inserted stroma and are docked with motor slotting sub 32, and Hall sensor can accurately detect turning for rotor 31
Speed and rotation direction in order to ensure to be coaxially disposed between supporting rack 80 and the second casing 10 avoid that axial turn occurs between the two
Dynamic, supporting rack 80 and 10 one of both of the second casing are equipped at least one the 5th locating part 15, and the another of the two is equipped at least
One the 5th limiting slot 81, the preferred supporting rack of the present embodiment 80 are set there are four the 5th limiting slot 81, and the second casing 10 sets that there are four the
Five locating parts 15, the angle between two neighboring 5th locating part 15 and the central axis of the second casing 10 are in 90 degree of settings
Processing and installation, the 5th locating part 15 and the 4th locating part 14, the first locating part 11, the second locating part 12 and third is facilitated to limit
Position part 13 is integrally formed setting, and the 5th limiting slot 81 and the 4th limiting slot, third limiting slot 51, the second limiting slot 41 and first limit
Position slot 21 is connected to.
Further, nose assembly 100 further includes being abutted with the one end of support frame as described above 80 far from the carbon brush holder 40
End cap 90, and the end cap 90 is detachably connected with second casing 10.
It should be understood that end cap 90 is abutted with supporting rack 80, end cap 90 and nut 70 are respectively arranged on the two of the second casing 10
End, is jointly fixed supporting rack 80, carbon brush holder 40, first sleeve 20, bearing bracket stand 50, the reduction box 60 in the second casing 10
Limit so that the component in the second casing 10 is whole in an axial direction without rotation, and nose assembly 100 is stable, and service life is long.End
Lid 90 is equipped with ball-and-socket (not shown), and vehicle body is equipped with bulb, and ball-and-socket is connected with bulb.
The utility model also proposes a kind of electric pushrod, which includes nose assembly 100, the nose assembly 100
Concrete structure with reference to above-described embodiment, since this electric pushrod uses whole technical solutions of above-mentioned all embodiments, because
This at least has all advantageous effects caused by the technical solution of above-described embodiment, and this is no longer going to repeat them.
Wherein, electric pushrod further includes the push-rod assembly (not shown) being connect with nose assembly 100, specifically, push rod group
Part is separate away from one end of reduction box 60 set on nut 70, and is detachably connected with nut 70, and the detachable connection is preferred
To be threadedly coupled, by the rotation (not shown) of 30 drive shaft of drive component, and then reduction box rotation is driven, reduction box is by subtracting
The shaft of fast case drives push-rod assembly rotation, realize the flexible of push-rod assembly, and opening and closing car door is carried out with this.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention,
Under every utility model in the utility model is conceived, equivalent structure made based on the specification and figures of the utility model
Transformation, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (10)
1. a kind of nose assembly, it is applied to electric pushrod, which is characterized in that the nose assembly includes：
Drive component；
First sleeve, the driving component are at least partly accommodated and are limited in the first sleeve；
Second casing, second casing are sheathed on outside the first sleeve, both second casing and the first sleeve
One of be equipped at least one first locating part, the another of the two is equipped at least one first limiting slot, and the first sleeve passes through described
The cooperation of first locating part and first limiting slot and be limited in second casing.
2. nose assembly as described in claim 1, which is characterized in that the driving component includes being contained in the first sleeve
Interior rotor and the carbon brush being contained in second casing, the carbon brush are rotatablely connected with the rotor, the nose assembly
Further include the carbon brush holder abutted with described first sleeve one end, described rotor one end is limited in the carbon brush holder, the carbon brush peace
Loaded on the carbon brush holder, the carbon brush holder and the second casing one of both are equipped at least one second locating part, and the two is another
One is equipped at least one second limiting slot, and the carbon brush holder is limited by the cooperation of second locating part and second limiting slot
Positioned at second casing.
3. nose assembly as claimed in claim 2, which is characterized in that the nose assembly further includes remote with the first sleeve
From the bearing bracket stand that described carbon brush holder one end abuts, the bearing bracket stand is rotatablely connected with the rotor, and the rotor is limited in described
Between carbon brush holder and the bearing bracket stand, the bearing bracket stand and the second casing one of both are equipped with an at least third locating part,
The another of the two is equipped with an at least third limiting slot, the cooperation that the bearing bracket stand passes through the third locating part and third limiting slot
And it is limited in second casing.
4. nose assembly as claimed in claim 3, which is characterized in that the nose assembly further includes being contained in described second set
Reduction box in pipe, the rotor are connect across the bearing bracket stand with the reduction box, and the reduction box is remote with the bearing bracket stand
One end from the first sleeve abuts, and the reduction box is limited in second casing.
5. nose assembly as claimed in claim 4, which is characterized in that the nose assembly further includes separate with the reduction box
The nut that described bearing bracket stand one end abuts, the nut are detachably connected with second casing.
6. nose assembly as claimed in claim 5, which is characterized in that the reduction box and the second casing one of both are set
There are at least one the 4th locating part, the another of the two to be equipped at least one the 4th limiting slot, the reduction box is limited by the described 4th
The cooperation of part and the 4th limiting slot and be limited in second casing；And/or the nut and the reduction box one of both are set
There are clamping part, the another of the two to be equipped with holding section, the reduction box is limited by the cooperation of the clamping part and the holding section
In the nut.
7. such as claim 2 to 6 any one of them nose assembly, which is characterized in that the nose assembly further includes being set to institute
State supporting rack of the carbon brush holder far from described first sleeve one end and the Hall sensor pcb board set on support frame as described above, it is described suddenly
You are electrically connected sensor pcb board with the carbon brush, and support frame as described above and the second casing one of both are equipped at least one the 5th
Locating part, the another of the two are equipped at least one the 5th limiting slot, and support frame as described above is limited by the 5th locating part and the 5th
The cooperation of slot and be limited in second casing.
8. nose assembly as claimed in claim 7, which is characterized in that the nose assembly further includes separate with support frame as described above
The end cap that one end of the carbon brush holder abuts, and the end cap is detachably connected with second casing.
9. nose assembly as described in claim 1, which is characterized in that the inner wall of second casing circumferentially-spaced is equipped with along its
Four the first locating parts, the outer wall of the first sleeve circumferentially-spaced set that there are four the first limiting slot, each limits along its
Part and a limiting slot are connected.
10. a kind of electric pushrod, which is characterized in that including claim 1 to 9 any one of them nose assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820150714.4U CN207968188U (en) | 2018-01-29 | 2018-01-29 | Nose assembly and electric pushrod |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820150714.4U CN207968188U (en) | 2018-01-29 | 2018-01-29 | Nose assembly and electric pushrod |
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| CN207968188U true CN207968188U (en) | 2018-10-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108092458A (en) * | 2018-01-29 | 2018-05-29 | 深圳市云图电装***有限公司 | Nose assembly and electric pushrod |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108092458A (en) * | 2018-01-29 | 2018-05-29 | 深圳市云图电装***有限公司 | Nose assembly and electric pushrod |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200306 Address after: 214500 Jiangping Road, Jingjiang City, Taizhou, Jiangsu Province, No. 51 Patentee after: Huada Automotive Technology Co., Ltd. Address before: 2 building, No. 23, No. two, LIAN Science Park, South Bay Street, Longgang District, Shenzhen District, Guangdong, 518000 Patentee before: CLOUD-ATLAS CONTROL SYSTEM CO., LTD. |