CN108092458A - Nose assembly and electric pushrod - Google Patents
Nose assembly and electric pushrod Download PDFInfo
- Publication number
- CN108092458A CN108092458A CN201810086359.3A CN201810086359A CN108092458A CN 108092458 A CN108092458 A CN 108092458A CN 201810086359 A CN201810086359 A CN 201810086359A CN 108092458 A CN108092458 A CN 108092458A
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- CN
- China
- Prior art keywords
- casing
- sleeve
- nose assembly
- carbon brush
- limiting slot
- Prior art date
- 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.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
- H02K11/215—Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K13/00—Structural associations of current collectors with motors or generators, e.g. brush mounting plates or connections to windings; Disposition of current collectors in motors or generators; Arrangements for improving commutation
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The present invention 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,/V is fixed 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 present invention relates to electric pushrod technical field, more particularly to a kind of nose assembly and electronic with the nose assembly
Push rod.
Background technology
Electric pushrod also known as linear actuator are that a kind of linear reciprocation that the rotary motion of motor is changed into push rod is transported
Dynamic power-driven gear.Its operation principle is that motor drives a pair of of feed screw nut, the rotation of motor after The gear deceleration
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 mainly includes 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 between case by screw, is rotated by machine shaft and the shaft of reduction box is driven to rotate, reduction box drives push rod portion
Point linear motion, stretches so as to fulfill pusher section and carries out opening and closing car door with this.Since electric pushrod is boosting weight
Entire electric pushrod can be under pressure during 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, easily generates friction, and carbon brush abrasion is serious, and noise is big, so as to influence the service life of electric pushrod,
In addition, integrally-built assembly cost is high.
The content of the invention
The main object of the present invention is to provide a kind of nose assembly, it is intended to extend the service life of electric pushrod, reduce dress
With cost.
To achieve the above object, nose assembly proposed by the present invention, applied to electric pushrod, 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, 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 that is 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 is further included to be 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 with the first sleeve away from described carbon brush holder one end
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 at least one the 3rd locating part, and the another of the two is equipped at least one the 3rd /V
Slot, the bearing bracket stand are limited in second casing by the cooperation of the 3rd locating part and the 3rd 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 be connected with the reduction box, the reduction box is abutted with the one end of the bearing bracket stand away from the first sleeve, and
The reduction box is limited in second casing.
Preferably, the nose assembly further includes the nut abutted with the reduction box away from described bearing bracket stand one end, 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 arranged on supporting rack of the carbon brush holder away from described first sleeve one end and
Arranged 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 away 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 present invention also provides a kind of electric pushrod, which includes above-described nose assembly.
The nose assembly of technical solution of the present invention includes drive component, first sleeve and the second casing, by by second set
Pipe sleeve is arranged on outside first sleeve, and 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 and first sleeve are coaxially disposed, in addition, both the second casing and first sleeve it
One is equipped at least one first locating part, and the another of the two passes through the first locating part equipped at least one first limiting slot, first sleeve
Cooperation with the first limiting slot and be limited in the second casing, between first sleeve and the second casing /V fix, drive component work
Be not in axial rotation between first sleeve and the second casing when making, avoid drive component disalignment and noise is caused to increase
Greatly, reduce the abrasion of drive component, and then extend the service life of electric pushrod, in addition, the nose assembly assembling structure is simple
It is single, reduce cost.
Description of the drawings
It in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Structure according to these attached drawings obtains other attached drawings.
Fig. 1 is the structure diagram of one embodiment of nose assembly of the present invention；
Fig. 2 is the part configuration schematic diagram of nose assembly in Fig. 1；
Fig. 3 is the structure diagram at another visual angle of nose assembly of the present invention；
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 nose assembly of the present invention.
Drawing reference numeral explanation：
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only the part of the embodiment of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its
His embodiment, belongs to the scope of protection of the invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining relative position relation, motion conditions under a certain particular pose (as shown in drawings) between each component etc., if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In the present invention, unless otherwise clearly defined and limited, term " connection ", " fixation " etc. should be interpreted broadly,
For example, " fixation " can be fixedly connected or be detachably connected or integral；Can be mechanical connection or
Electrical connection；It can be directly connected, can also be indirectly connected by intermediary, can be the connection inside two elements or two
The interaction relationship of a element, unless otherwise restricted clearly.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In addition, in the present invention such as relating to the description of " first ", " second " etc. be only used for description purpose, and it is not intended that
Indicate or imply its relative importance or the implicit quantity for indicating indicated technical characteristic.Define as a result, " first ",
At least one this feature can be expressed or be implicitly included to the feature of " second ".In addition, the technical side between each embodiment
Case can be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when the combination of technical solution
Conflicting or can not realize when occur will be understood that the combination of this technical solution is not present, also not the present invention claims guarantor
Within the scope of shield.
The present invention proposes a kind of nose assembly 100, is mainly used in electric pushrod.
Fig. 1 to Fig. 4 is refer to, in embodiments of the present invention, 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 is contained in
Accommodating chamber, the second casing 10 are used to carry out axial support to being contained in its internal 30 grade component of drive component.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 compared with 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, so as to which drive component 30 be avoided to be 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, each first locating part, 11 and 1 first limiting slot
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 set, and stretching mode integrated molding such as can be used, and cold rolling mode is integrally formed, and injection molding manner is integrally formed into
Type mode, in view of the convenience and economy of processing consider, in this present embodiment, the first locating part 11 and the second casing
10 are molded using integral drawing and forming mode.Folder between the central axis of two neighboring first locating part, 11 and second casing 10
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 connected 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 solution of the present invention includes drive component 30,20 and second casing 10 of first sleeve, passes through
Second casing 10 is sheathed on outside first sleeve 20, drive component 30 is at least partially housed in first sleeve 20, and driving group
Part 30 is limited in first sleeve 20, ensures drive component 30 at work, drive component 30 is coaxially disposed with first sleeve 20, separately
Outside, the 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 at least one
First limiting slot 21, first sleeve 20 are limited in the second casing by the cooperation of the first locating part 11 and the first limiting slot 21
10, between 20 and second casing 10 of first sleeve /V fix, when drive component 30 works, 20 and second casing 10 of first sleeve
Between be not in axial rotation, avoid 30 disalignment of drive component and noise caused to increase, reduce drive component 30 mill
Damage (the mainly abrasion of carbon brush), and then the service life of electric pushrod is extended, in addition, 100 assembling structure of nose assembly
Simply, cost is reduced.
Fig. 2, Fig. 4 and Fig. 5 are refer 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 described 20 one end of first sleeve, described 31 one end of rotor are limited in the carbon brush holder 40, the carbon brush
The carbon brush holder 40 is installed on, 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
During 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 connected through bearing 33 with carbon brush, rotor 31
One end is abutted with carbon brush holder 40, to carry out /V 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 40,40 and second casing of carbon brush holder, 10 one of both be 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
In 90 degree of settings, in order to facilitate processing and installation, the second locating part 12 is connected with the first locating part 11, the second limiting slot 41 and the
One limiting slot 21 connects.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 reduces noise.
Fig. 2 and Fig. 4 are refer to, nose assembly 100 is further included with the first sleeve 20 away from described 40 one end of 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 at least one the 3rd locating part
13, the another of the two is equipped at least one the 3rd limiting slot 51, and the bearing bracket stand 50 is limited by the 3rd locating part 13 and the 3rd
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 through 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 10,50 and second casing of bearing bracket stand, 10 one of both are equipped with equipped at least one the 3rd locating part 13, the another of the two
At least one the 3rd limiting slot 51, the preferred bearing bracket stand 50 of the present embodiment are set there are four the 3rd limiting slot 51, and the second casing 10 is equipped with four
The angle of the central axis of a 3rd locating part 13, two neighboring 3rd locating part 13 and the second casing 10 is set in 90 degree, is
Facilitate processing and installation, the 3rd locating part 13 and the first locating part 11, the second locating part 12 are integrally formed and set, the 3rd /V
Slot 51 is connected with 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 connected through the bearing bracket stand 50 with the reduction box 60, the reduction box 60 is with the bearing bracket stand 50 away 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 transfer the effect of torque, rotor 31 is connected through bearing bracket stand 50 with reduction box 60,
The shaft of rotor 31 is connected with the shaft of reduction box 60, and rotor 31, which rotates, drives the shaft of reduction box 60 to rotate, reduction box 60
Shaft connect push-rod assembly, and then drive push-rod assembly rotate so as to fulfill push-rod assembly integral telescopic with this come carry out open and
Closed door, axially without relative movement between 60 and second casing 10 of reduction box, when electric pushrod works, reduction box 60 with
Without relative friction between 50 and second casing 10 of bearing bracket stand, electric pushrod service life is extended.
Further, nose assembly 100 further includes the spiral shell abutted with the reduction box 60 away from described 50 one end of bearing bracket stand
Mother 70, the nut 70 is detachably connected with second casing 10.
It should be understood that nut 70 is used to carry out /V to the one end of reduction box 60 away from bearing bracket stand 50, strengthen head group
The stability of part 30.Nut 70 is detachably connected with the second casing 10, and detachable connection here is snaps 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 60 and second casing of reduction box
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 4th locating part 14 and the first /V
Part 11, the second locating part 12 and the 3rd locating part 13, which are integrally formed, to be set, the 4th limiting slot and the 3rd limiting slot 51, the second /V
Slot 41 is connected with 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 away 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 holding section 71 coordinates reduction box 60 being limited in the second casing 10.
Further, nose assembly 100 is further included arranged on branch of the carbon brush holder 40 away from described 20 one end of first sleeve
Support 80 and the Hall sensor pcb board (not shown) arranged 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 supporting rack 80 has installation cavity (not shown), Hall sensor pcb board is arranged in installation cavity, suddenly
You are electrically connected sensor with carbon brush, specifically, the one end of carbon brush holder 40 away 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, slotting stroma are inserted son 32 with motor and are docked, and Hall sensor can accurately detect turning for rotor 31
Speed and rotation direction in order to ensure to be coaxially disposed between 80 and second casing 10 of supporting rack, 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 80 of the present embodiment 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
Facilitate 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 the 3rd limit
Position part 13, which is integrally formed, to be set, the 5th limiting slot 81 and the 4th limiting slot, the 3rd limiting slot 51, the second limiting slot 41 and the first limit
Position slot 21 connects.
Further, nose assembly 100 further includes what is abutted with the one end of support frame as described above 80 away 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
/V so that the component in the second casing 10 is whole vertically 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 present invention also proposes a kind of electric pushrod, which includes nose assembly 100, the tool of the nose assembly 100
Body structure reference above-described embodiment, since this electric pushrod employs whole technical solutions of above-mentioned all embodiments, until
All advantageous effects caused by technical solution with above-described embodiment less, this is no longer going to repeat them.
Wherein, electric pushrod further includes the push-rod assembly (not shown) being connected with nose assembly 100, specifically, push rod group
Part is separate away from one end of reduction box 60 arranged on nut 70, and is detachably connected with nut 70, and the detachable connection is preferred
It to be threadedly coupled, is rotated by the way that 30 drive shaft of drive component is (not shown), and then reduction box is driven to rotate, reduction box is by subtracting
The shaft of fast case drives push-rod assembly to rotate, realize the flexible of push-rod assembly, and opening and closing car door is carried out with this.
The foregoing is merely the preferred embodiment of the present invention, are not intended to limit the scope of the invention, every at this
The equivalent structure transformation made under the inventive concept of invention using description of the invention and accompanying drawing content or directly/utilization indirectly
It is included in other related technical areas in the scope of patent protection of the present invention.
Claims (10)
1. a kind of nose assembly, 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 passes through described 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.
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
The carbon brush holder abutted with described first sleeve one end is further included, 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 at least one the 3rd locating part,
The another of the two is equipped at least one the 3rd limiting slot, the cooperation that the bearing bracket stand passes through the 3rd locating part and the 3rd 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, which further includes, is contained in described second set
Reduction box in pipe, the rotor are connected through the bearing bracket stand with the reduction box, and the reduction box and the bearing bracket stand are remote
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 is at least one the 4th locating part, the another of the two is equipped at least one the 4th limiting slot, and the reduction box passes through the 4th /V
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 is clamping part, the another of the two is equipped with holding section, the cooperation /V that the reduction box passes through 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 is further included arranged on institute
State supporting rack of the carbon brush holder away from described first sleeve one end and the Hall sensor pcb board arranged 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 passes through the 5th locating part and the 5th /V
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 /Vs 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 |
|---|---|---|---|
| CN201810086359.3A CN108092458A (en) | 2018-01-29 | 2018-01-29 | Nose assembly and electric pushrod |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810086359.3A CN108092458A (en) | 2018-01-29 | 2018-01-29 | Nose assembly and electric pushrod |
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| CN108092458A true CN108092458A (en) | 2018-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810086359.3A Pending CN108092458A (en) | 2018-01-29 | 2018-01-29 | Nose assembly and electric pushrod |
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| CN (1) | CN108092458A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109713839A (en) * | 2019-01-17 | 2019-05-03 | 深圳市东森环境技术有限公司 | Electric pushrod and its cabinet |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206533222U (en) * | 2017-01-22 | 2017-09-29 | 郭军 | A kind of closed assembly motor and the electric pushrod using the closed assembly motor |
| CN207968188U (en) * | 2018-01-29 | 2018-10-12 | 深圳市云图电装系统有限公司 | Nose assembly and electric pushrod |
-
2018
- 2018-01-29 CN CN201810086359.3A patent/CN108092458A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206533222U (en) * | 2017-01-22 | 2017-09-29 | 郭军 | A kind of closed assembly motor and the electric pushrod using the closed assembly motor |
| CN207968188U (en) * | 2018-01-29 | 2018-10-12 | 深圳市云图电装系统有限公司 | Nose assembly and electric pushrod |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109713839A (en) * | 2019-01-17 | 2019-05-03 | 深圳市东森环境技术有限公司 | Electric pushrod and its cabinet |
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Effective date of registration: 20200311 Address after: 214500 Jiangping Road, Jingjiang City, Taizhou, Jiangsu Province, No. 51 Applicant 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 Applicant before: CLOUD-ATLAS CONTROL SYSTEM CO., LTD. |