CN106223766A - Sedan-chair Vehicular electric tail-gate push rod - Google Patents
Sedan-chair Vehicular electric tail-gate push rod Download PDFInfo
- Publication number
- CN106223766A CN106223766A CN201610773544.0A CN201610773544A CN106223766A CN 106223766 A CN106223766 A CN 106223766A CN 201610773544 A CN201610773544 A CN 201610773544A CN 106223766 A CN106223766 A CN 106223766A
- Authority
- CN
- China
- Prior art keywords
- casing
- screw mandrel
- fixed
- conduit
- push pipe
- 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.)
- Pending
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 16
- 238000006396 nitration reaction Methods 0.000 claims description 11
- 230000005611 electricity Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 208000031481 Pathologic Constriction Diseases 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims description 3
- 210000001215 vagina Anatomy 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 230000007704 transition Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/611—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
- E05F15/616—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by push-pull mechanisms
- E05F15/622—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by push-pull mechanisms using screw-and-nut mechanisms
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/60—Suspension or transmission members; Accessories therefor
- E05Y2201/622—Suspension or transmission members elements
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/60—Suspension or transmission members; Accessories therefor
- E05Y2201/622—Suspension or transmission members elements
- E05Y2201/628—Bearings
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/60—Suspension or transmission members; Accessories therefor
- E05Y2201/622—Suspension or transmission members elements
- E05Y2201/696—Screw mechanisms
- E05Y2201/70—Nuts
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/60—Suspension or transmission members; Accessories therefor
- E05Y2201/622—Suspension or transmission members elements
- E05Y2201/696—Screw mechanisms
- E05Y2201/702—Spindles; Worms
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
- E05Y2900/53—Type of wing
- E05Y2900/531—Doors
- E05Y2900/532—Back doors or end doors
Landscapes
- Transmission Devices (AREA)
Abstract
nullThe invention discloses a kind of sedan-chair Vehicular electric tail-gate push rod，Including casing、Drive motor and screw mandrel，One end of described screw mandrel is fixed in described casing，And described screw mandrel is positioned at one end of casing and drives the output shaft linkage of motor，The other end of described screw mandrel extends to outside described casing，Described screw mandrel extends to be arranged with conduit outside the part outside casing，Described conduit fixes with described casing，Nut on described screw mandrel fixes with push pipe，One end of described push pipe and nut are fixed and are positioned at conduit，The other end of described push pipe extends to outside conduit，Described nut and conduit are collocated with guide and limit mechanism，The output shaft rotation of described driving motor is so that nut drives push pipe to do axially reciprocating on screw mandrel，Described catheter jacket is provided with stretching spring，One end of described stretching spring is relatively fixed with described casing，One end that the other end of described stretching spring and described push pipe extend to outside conduit fixes.
Description
Technical field
The present invention relates to a kind of electric pushrod for switching car trunk tail-gate.
Background technology
The tail-gate of automobile commonly uses air spring as stake tool, when opening tail-gate manually or tail-gate lock is unclamped in electric control
Button, so that tail-gate is propped up by air spring, need to close the door cause high effort for tail-gate under hand pressure when closing tail-gate；For convenience of opening of tail-gate
Closing, people realize this purpose by electric pushrod.Sedan-chair Vehicular electric push rod is sightless after tail-gate is opened, car electricity consumption
For the unlatching of tail-gate when dynamic push rod shrinks, for the closedown of tail-gate during the stretching of sedan-chair Vehicular electric push rod, SUV electric pushrod exists
Tail-gate is visible after opening, and SUV electric pushrod stretches the unlatching for tail-gate, and SUV electric pushrod shrinks for tail
The closedown of door, due to aesthetic and performance requirement, it is adaptable to the electric pushrod of SUV is not particularly suited for car.
Summary of the invention
It is an object of the invention to provide a kind of sedan-chair Vehicular electric tail-gate push rod being applicable to car.
For achieving the above object, the present invention adopts the following technical scheme that a kind of sedan-chair Vehicular electric tail-gate push rod, including case
Body, driving motor and screw mandrel, one end of described screw mandrel is fixed in described casing, and described screw mandrel be positioned at one end of casing with
Driving the output shaft linkage of motor, the other end of described screw mandrel extends to outside described casing, and described screw mandrel extends to outside casing
Part is outer is arranged with conduit, and described conduit fixes with described casing, and the nut on described screw mandrel fixes with push pipe, described top
Conduit is fixed and be positioned to one end of pipe and nut, and the other end of described push pipe extends to outside conduit, and described nut is taken with conduit
Being furnished with guide and limit mechanism, the output shaft rotation of described driving motor is so that nut drives push pipe to do axial reciprocating fortune on screw mandrel
Dynamic, described catheter jacket is provided with stretching spring, and one end of described stretching spring is relatively fixed with described casing, described stretching spring
One end of extending to outside conduit of the other end and described push pipe fix.
The present invention is by arranging stretching spring outside conduit, and when stretching for electric pushrod, effect is more preferable, can make driving
Motor is the most laborsaving, and what optional power was less drives motor to reduce the production cost of the present invention, or selects driving of former power
Make sedan tail door the most convenient in the case of galvanic electricity machine.
As preferably, described push pipe is fixed with spring base away from one end of casing, and described spring base and casing are each formed with
The helicitic texture matched with described stretching spring, the two ends of described stretching spring respectively with described spring base and described casing spiral shell
Stricture of vagina coordinates fixing；Described casing and spring base are each formed with external thread structure, and the pitch diameter of thread of described external thread structure is more than institute
State the internal diameter of stretching spring.The pitch diameter of thread of external thread structure, more than the setting of the internal diameter of described stretching spring, can make stretching bullet
Spring two ends carry out during threaded engagement softened, so that the two ends of stretching spring are without departing from spring base or casing.Wherein, for ease of
Casing helicitic texture and the manufacture of spring base helicitic texture, at the helicitic texture of casing or whole casing is plastic material, extension spring
Seat is also made of plastics.
As preferably, described driving motor is reducing motor, and the front end of described driving motor fixes with described casing, institute
State in driving the output shaft of motor to extend to casing and make the axis of output shaft of driving motor be arranged in parallel with the axis of screw mandrel,
Described driving motor front end is formed with some the first positioning convex extended to radial outside, and described casing is formed and described the
The first locating slot that positioning protrusion coordinates.The setting of the first positioning convex and the first locating slot make reducing motor of the present invention with
The assembling of casing is more convenient.
As preferably, described screw mandrel is arranged with fixing sleeve away from one end of casing, and described fixing bush outer sleeve sets fixing
Have anticreep sleeve, the height of described fixing sleeve more than the height of described anticreep sleeve so that the threaded portion of anticreep sleeve and screw mandrel
Dividing and be formed with gap, described anticreep excircle of sleeve coordinates with described push pipe internal wall transitions；Described fixing sleeve passes through trip bolt
Be fixed on screw mandrel end, described anticreep sleeve by the head of trip bolt and screw mandrel distal end faces to be limited in fixing sleeve
On, the axis of the axis of described trip bolt and described screw mandrel on the same line, the inner face of described trip bolt head with
Described fixing sleeve and anticreep sleeve offset.Wherein, anticreep sleeve is for placing the nut abjection on screw mandrel, it is to avoid because stroke is opened
The nut that closing lost efficacy is caused departs from screw mandrel；The height of fixing sleeve more than the height of anticreep sleeve so that anticreep sleeve and screw mandrel
Threaded portion be formed with gap, the above-mentioned buffering being provided for when nut is rushed to summit, to avoid nut and anticreep sleeve to be damaged
Wound；Anticreep sleeve coordinates auxiliary when moving along a straight line for push pipe to guide with push pipe internal wall transitions；Wherein, the present invention passes through spiral shell
The fixing anticreep sleeve of nail, anticreep power is bigger can reach the anticreep power of 800kg, and the anticreep power effect of the present invention is more preferable；Wherein, set
Cylinder by being tightened in screw mandrel end by fastening, anticreep sleeve can on sleeve axial gap slip, during to ensure that nut is rushed to summit
Buffering.
As preferably, the output shaft of described driving motor is fixed in casing, and described output shaft is near driving the one of motor
End forms the second positioning convex that oriented radial outside extends, and the outfan of described driving motor is formed with the described output shaft of receiving
Near the receiving hole of driving motor one end, described receiving hole is formed with the second location matched with described second positioning convex
Groove.Above-mentioned setting makes the assembling of the present invention more convenient.
As preferably, described screw mandrel is fixed in described casing by two bearings, and two bearings are by split type bearing
Seat be fixed in the chamber of described casing, split type bearing block includes front-end bearing pedestal and rear bearing block, described front-end bearing pedestal towards
One side end face of rear bearing block, rear bearing block are formed with, towards a side end face of front-end bearing pedestal, the 3rd positioning convex cooperated
With the 3rd locating slot, described 3rd positioning convex is axially arranged along screw mandrel, and described 3rd positioning convex uniform intervals ringwise sets
Put；Described front-end bearing pedestal and rear bearing block are each formed with some to radial outside extension the 4th positioning convex, and described casing is formed
There is the 4th locating slot matched with described 4th positioning convex；Each 3rd positioning convex of described front-end bearing pedestal is located relatively at
Between adjacent two the 4th positioning convex of front-end bearing pedestal, each 3rd positioning convex of described rear bearing block is located relatively at rear axle
Between adjacent two the 4th positioning convex of bearing.The collocation of screw mandrel and two bearings makes the more firm stable that screw mandrel is fixing,
The setting of the 3rd positioning convex and the 3rd locating slot is more convenient for the cooperation between two split bearing blocks, the 4th positioning convex and the 4th
The setting of locating slot bearing block of being more convenient for was fixed with coordinating of casing.
As preferably, described screw mandrel is fixed with driven gear, described driven gear between two bearings, described in drive
It is fixed with driving gear on the output shaft of galvanic electricity machine, is fixed with a wheel shaft in described casing, described wheel shaft is fixed with center tooth
Wheel, described driving gear engages setting with idler gear, and described idler gear engages setting, described active with described driven gear
Pinion rotation is to make driven gear rotate by idler gear.The present invention reduces rotating speed to amplify by driving the decelerator of motor
Moment, then realize direction change by idler mechanism, in order to the rotation of screw mandrel.
As preferably, described nut includes one section and two-stage nitration, and described one section is formed with ledge structure, described two-stage nitration with two-stage nitration
Threaded engagement is in push pipe and makes push pipe offset with described one section of end face, and described one section is each formed with supplying screw mandrel to pass through with two-stage nitration
Screwed hole；The outer circular section of described conduit radial section and inner wall section, the radial section of one section of described nut, push pipe radially cut
The outer circular section in face is all in plum-shaped structure, and described casing is formed with quincunx locating slot, and described conduit is interference fitted in described
In locating slot, and described conduit is fixed with described casing by securing member.Nut and push pipe threaded engagement, make nut and push pipe
Assemble more convenient, stable；The radial direction of the outer circular section of described conduit radial section and inner wall section, one section of described nut is cut
Face, push pipe radial section outer circular section all in plum-shaped structure, to ensure that the guide and limit of nut of the present invention, push pipe straight line are transported
Guiding time dynamic, casing also is provided with quincunx locating slot and is convenient to the assembling of conduit, the processing and manufacturing of more convenient conduit.
As preferably, described conduit is collocated with guide pin bushing away from one end of casing, is extended with some in described guide pin bushing conductive pipe
Back-off, described conduit is formed with, away from one end of casing, the mating holes that some and described back-off coordinates, and described guide pin bushing is formed for
The through hole that push pipe passes through.Wherein, guide pin bushing, for the sealing of conduit, is also used for guiding during push pipe linear motion；For ease of guide pin bushing
Fixing, the present invention uses the mode that buckle is fixing, so that guide pin bushing is more convenient with coordinating of conduit.
As preferably, described push pipe is fixed with fixed connector, one end of described fixed connector away from one end of casing
Extend in described push pipe and with described push pipe threaded engagement, the other end of described fixed connector has been screwed No. two installations
Bulb, described casing is fixed with No. one and installs bulb；Described spring base includes the first canned paragraph, the canned paragraph of described spring base with
The fixed connector of push pipe is screwed, and the first canned paragraph of described spring base is extended with the second canned paragraph to case-side, described
The cylindrical of the second canned paragraph is provided with the helicitic texture coordinated with described stretching spring, shape between described second canned paragraph inwall and push pipe
Becoming and have the gap passed through for conduit, described conduit is collocated with jump ring away from one end of casing, the first canned paragraph of described spring base
Inner face offset with described jump ring, install and be provided with pad, described No. two installations between bulbs and fixed connector for described No. two
Bulb is provided with female thread, and a side end face of described pad offsets with the outer face of the first canned paragraph of described spring base, described pad
The opposite side end face of sheet is installed bulb with described No. two and is offseted.Wherein, bulb, No. two installation bulbs are installed for the present invention for No. one
Electric pushrod and vehicle body, tail-gate fixing；Pad and jump ring, spring base are all used for spring base with the threaded engagement of fixed connector
Fixing.
The invention provides a kind of electric pushrod for car, there is effect when making electric pushrod stretch more preferable, can
Making driving motor the most laborsaving, what optional power was less drives motor to reduce the production cost of the present invention, or selects former merit
Making sedan tail door advantage the most easily in the case of the driving motor of rate, the assembling of the present invention is very convenient, can
Reducing the assembling used time and improve production efficiency, the anticreep power of the anti-feed screw nut abjection of the present invention is bigger, and stability in use is higher.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention；
Fig. 2 is the another kind of structural representation of the present invention；
Fig. 3 is a kind of sectional view of the present invention；
Fig. 4 is a kind of structural representation driving motor of the present invention；
Fig. 5 is a kind of structural representation of the casing of the present invention；
Fig. 6 is the another kind of structural representation of the casing of the present invention；
Fig. 7 is a kind of structural representation of the spring base of the present invention；
Fig. 8 is the conduit enlarged drawing away from one end of casing of Fig. 3；
Fig. 9 is a kind of structural representation of the split type bearing block of the present invention；
Figure 10 is the another kind of structural representation of the split type bearing block of the present invention；
Figure 11 is a kind of structural representation of the conduit of the present invention；
Figure 12 is a kind of structural representation of the push pipe of the present invention.
Detailed description of the invention
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
Shown in Fig. 1, Fig. 2, Fig. 3, a kind of sedan-chair Vehicular electric tail-gate push rod of the present invention, including casing 1, drive motor 2
With screw mandrel 3, one end of screw mandrel 1 is fixed in casing 3, and screw mandrel 1 is positioned at one end of casing 3 and the output shaft driving motor 2
21 linkages, the other end of screw mandrel 1 extends to outside casing 3, and screw mandrel 1 extends to be arranged with outside the part outside casing conduit 4, conduit 4
Fixing with casing 3, the nut 5 on screw mandrel 1 fixes with push pipe 6, and one end of push pipe 6 and nut 5 are fixed and be positioned at conduit 4
In, the other end of push pipe 6 extends to outside conduit 4, and nut 5 and conduit 4 are collocated with guide and limit mechanism, drives the output of motor 2
Axle 21 rotates so that nut 5 drives push pipe 6 to do axially reciprocating on screw mandrel 1, is arranged with stretching spring 7, stretching outside conduit 4
One end of spring 7 is relatively fixed with casing 3, and one end that the other end of stretching spring 7 and push pipe 6 extend to outside conduit 4 fixes.
Shown in Fig. 1, Fig. 2, Fig. 3, Fig. 6, Fig. 7, push pipe 6 is fixed with spring base 8, spring base 8 He away from one end of casing 3
Casing 3 is each formed with and stretches the helicitic texture that spring 7 matches, stretching spring 7 two ends respectively with spring base 8 and casing 3
Threaded engagement is fixed；Casing 3 and spring base 7 are each formed with external thread structure, and the pitch diameter of thread of external thread structure is more than stretching bullet
The internal diameter of spring 7.
Shown in Fig. 3, Fig. 4, Fig. 5, driving motor 2 is planetary reducing motor, and the front end driving motor 2 is solid with casing 3 phase
Fixed, in driving the output shaft 21 of motor 2 to extend to casing 3 and make the axis of axis and screw mandrel 1 of output shaft 21 of driving motor 2
Be arranged in parallel, drive motor 2 front end be formed some to radial outside extend the first positioning convex 22, casing 3 be formed with
The first locating slot 31 that first positioning convex 22 coordinates.The output shaft 21 driving motor 2 is fixed in casing 3, and output shaft 21 leans on
Nearly one end driving motor 2 forms the second positioning convex that oriented radial outside extends, and drives the outfan 23 of motor 2 to be formed
Accommodating the output shaft receiving hole 24 near driving motor one end, receiving hole 24 is formed with second matched with the second positioning convex
Locating slot 25.Driving motor outer to have housing 30, housing 30 front end to coordinate with casing 30, housing rear end is pressed with bonnet 40, after
Lid 40 coordinates with housing 30 and is remained stationary as by driving motor 2, and bonnet 40 front end and driving motor 2 rear end are formed and cooperate
Radial direction position limiting structure
Shown in Fig. 3, Fig. 8, screw mandrel 1 is arranged with fixing sleeve 11 away from one end of casing 3, fixes sheathed outside sleeve 11 being fixed with
Anticreep sleeve 12, the height of fixing sleeve 11 more than the height of anticreep sleeve 12 so that the threaded portion of anticreep sleeve 12 and screw mandrel 1
Dividing and be formed with gap, anticreep sleeve 12 cylindrical coordinates with push pipe 6 internal wall transitions.Fixing sleeve 11 is tightened by trip bolt 13
At screw mandrel 1 end, anticreep sleeve 12 is limited on fixing sleeve 11 by head and the screw mandrel distal end faces of trip bolt 13, fastening
The axis of the axis of screw 13 and screw mandrel 1 on the same line, the inner face of trip bolt 13 head and fixing sleeve 11 and anti-
Cylinder 12 of press-offing offsets.
Screw mandrel 1 is fixed in casing 3 by two bearings 14, and two bearings 14 are fixed on casing by split type bearing block
In the chamber of 3, split type bearing block includes front-end bearing pedestal 15 and rear bearing block 16, and a bearing away from nut side is thrust axis
Hold.
Shown in Fig. 9, Figure 10, front-end bearing pedestal 15 towards a side end face of rear bearing block 16, rear bearing block 16 is towards front axle
One side end face of bearing 15 is formed with the 3rd positioning convex 17 and the 3rd locating slot 18 cooperated, the 3rd protruding edge, location 17
Screw mandrel 1 is axially arranged, and the 3rd positioning convex 17 uniform intervals ringwise is arranged；Front-end bearing pedestal 15 and rear bearing block 16 are each formed with
Some to radial outside extension the 4th positioning convex 19, casing 3 is formed with the 4th location matched with the 4th positioning convex 19
Groove；Each 3rd positioning convex 17 of front-end bearing pedestal 15 be located relatively at front-end bearing pedestal 15 adjacent two the 4th positioning convex 19 it
Between, each 3rd positioning convex 17 of rear bearing block 16 be located relatively at rear bearing block 16 adjacent two the 4th positioning convex 19 it
Between.
As shown in Figure 3, screw mandrel 1 being fixed with driven gear 32, driven gear 32, between two bearings 14, drives electricity
It is fixed with driving gear 33 on the output shaft 21 of machine 2, is fixed with a wheel shaft 34 in casing 3, wheel shaft 34 is fixed with idler gear
35, driving gear 33 engages setting with idler gear 35, and idler gear 35 engages setting, driving gear 33 turns with driven gear 32
Dynamic to make driven gear 32 rotate by idler gear 35.
Shown in Fig. 3, Fig. 5, Fig. 8, Figure 11, Figure 12, nut 5 includes one section and two-stage nitration, and one section is formed with step with two-stage nitration
Structure, two-stage nitration threaded engagement is in push pipe 6 and makes push pipe 6 offset with one section of end face, and one section is each formed with leading to for screw mandrel 1 with two-stage nitration
The screwed hole crossed；The outer circular section of conduit 4 radial section and inner wall section, the radial section of 5 one sections of nut, push pipe 6 radially cut
The outer circular section in face is all in plum-shaped structure, and casing 3 is formed with quincunx locating slot 36, and conduit 4 is interference fitted in quincunx fixed
In the groove of position, and conduit 4 is fixed with casing by securing member.Conduit 4 is collocated with guide pin bushing 9, guide pin bushing 9 guide away from one end of casing 3
Being extended with some back-offs 41 in pipe 4, conduit 4 is formed with some mating holes 42 coordinated with back-off 41 away from one end of casing 3, leads
Set 4 is formed for the through hole that push pipe 6 passes through.
Push pipe 6 is fixed with fixed connector 61 away from one end of casing 3, and one end of fixed connector 61 extends to push pipe 6
In and with push pipe 6 threaded engagement, the other end of fixed connector 61 be screwed No. two install bulbs 20, casing 3 is fixed with
No. one bulb 10 is installed.Spring base 8 includes fixed connector 61 spiral shell of the first canned paragraph 81, the canned paragraph of spring base 8 and push pipe 6
Stricture of vagina is fixed, and the first canned paragraph 81 of spring base 8 is extended with the second canned paragraph 82 to case-side, and the cylindrical of the second canned paragraph 82 is provided with
The helicitic texture coordinated with stretching spring 7, is formed for, between the second canned paragraph 82 inwall and push pipe 6, the gap that conduit 4 passes through.Lead
Pipe 4 is collocated with jump ring 43 away from one end of casing 3, and the inner face of the first canned paragraph 81 of spring base 8 offsets with jump ring 43, No. two
Install and between bulb 20 and fixed connector 61, be provided with pad 44, No. two bulb 20 is installed and is provided with female thread, the side of pad 44
End face offsets with the outer face of the first canned paragraph 81 of spring base 8, the opposite side end face of pad 44 and No. two installation bulb 20 phases
Support.
The invention provides a kind of electric pushrod for car, there is effect when making electric pushrod stretch more preferable, can
Making driving motor the most laborsaving, what optional power was less drives motor to reduce the production cost of the present invention, or selects former merit
Making sedan tail door advantage the most easily in the case of the driving motor of rate, the assembling of the present invention is very convenient, can
Reducing the assembling used time and improve production efficiency, the anticreep power of the anti-feed screw nut abjection of the present invention is bigger, and stability in use is higher.
Claims (10)
1. a sedan-chair Vehicular electric tail-gate push rod, it is characterised in that include casing, drive motor and screw mandrel, one end of described screw mandrel
It is fixed in described casing, and described screw mandrel is positioned at one end of casing and drives the output shaft linkage of motor, described screw mandrel
The other end extends to outside described casing, and described screw mandrel extends to be arranged with outside the part outside casing conduit, and described conduit is with described
Casing fixes, and the nut on described screw mandrel fixes with push pipe, and one end of described push pipe and nut are fixed and be positioned at conduit,
The other end of described push pipe extends to outside conduit, and described nut and conduit are collocated with guide and limit mechanism, described driving motor
Output shaft rotation is so that nut drives push pipe to do axially reciprocating on screw mandrel, and described catheter jacket is provided with stretching spring, institute
The one end stating stretching spring is relatively fixed with described casing, and the other end of described stretching spring and described push pipe extend to outside conduit
One end fix.
Sedan-chair Vehicular electric tail-gate push rod the most according to claim 1, it is characterised in that described push pipe is away from one end of casing
Being fixed with spring base, described spring base and casing are each formed with the helicitic texture matched with described stretching spring, described stretching
The two ends of spring are fixed with described spring base and described casing threaded engagement respectively；Described casing and spring base are each formed with outer spiral shell
Stricture of vagina structure, the pitch diameter of thread of described external thread structure is more than the internal diameter of described stretching spring.
Sedan-chair Vehicular electric tail-gate push rod the most according to claim 1 and 2, it is characterised in that described driving motor is the electricity that slows down
Machine, the front end of described driving motor fixes with described casing, and the output shaft of described driving motor extends in casing and makes to drive
The axis of the output shaft of galvanic electricity machine be arranged in parallel with the axis of screw mandrel, and described driving motor front end is formed some to radial outside
The first positioning convex extended, described casing is formed with the first locating slot coordinated with described first positioning convex.
Sedan-chair Vehicular electric tail-gate push rod the most according to claim 1 and 2, it is characterised in that described screw mandrel is away from the one of casing
End is arranged with fixing sleeve, and described fixing bush outer sleeve sets and is fixed with anticreep sleeve, and the height of described fixing sleeve is more than described
The height of anticreep sleeve is so that the threaded portion of anticreep sleeve and screw mandrel is formed with gap, described anticreep excircle of sleeve and described top
Inside pipe wall interference fits；
Described fixing sleeve is fixed on screw mandrel end by trip bolt, and described anticreep sleeve passes through head and the silk of trip bolt
Bar distal end faces to be limited on fixing sleeve, the axis of the axis of described trip bolt and described screw mandrel on the same line,
The inner face of described trip bolt head offsets with described fixing sleeve and anticreep sleeve.
Sedan-chair Vehicular electric tail-gate push rod the most according to claim 1 and 2, it is characterised in that the output shaft of described driving motor
Being fixed in casing, described output shaft forms, near the one end driving motor, the second positioning convex that oriented radial outside extends,
The outfan of described driving motor is formed with the receiving hole accommodating described output shaft near driving motor one end, described receiving hole shape
The second locating slot that second positioning convex described in Cheng Youyu matches.
Sedan-chair Vehicular electric tail-gate push rod the most according to claim 1 and 2, it is characterised in that described screw mandrel passes through two bearings
Being fixed in described casing, two bearings are fixed in the chamber of described casing by split type bearing block, split type bearing block
Including front-end bearing pedestal and rear bearing block, described front-end bearing pedestal towards a side end face of rear bearing block, rear bearing block is towards fore bearing
One side end face of seat is formed with the 3rd positioning convex and the 3rd locating slot cooperated, and described 3rd positioning convex is along screw axis
To setting, described 3rd positioning convex uniform intervals ringwise is arranged；
Described front-end bearing pedestal and rear bearing block are each formed with some to radial outside extension the 4th positioning convex, and described casing is formed
There is the 4th locating slot matched with described 4th positioning convex；
Each 3rd positioning convex of described front-end bearing pedestal is located relatively between adjacent two the 4th positioning convex of front-end bearing pedestal,
Each 3rd positioning convex of described rear bearing block is located relatively between adjacent two the 4th positioning convex of rear bearing block.
Sedan-chair Vehicular electric tail-gate push rod the most according to claim 6, it is characterised in that be fixed with driven tooth on described screw mandrel
Wheel, described driven gear, between two bearings, the output shaft of described driving motor is fixed with driving gear, described casing
Inside being fixed with a wheel shaft, described wheel shaft is fixed with idler gear, described driving gear engages setting with idler gear, described in
Between gear engage setting with described driven gear, described driving gear rotates to make driven gear rotate by idler gear.
Sedan-chair Vehicular electric tail-gate push rod the most according to claim 1 and 2, it is characterised in that described nut includes one section and two
Section, described one section is formed with ledge structure with two-stage nitration, and described two-stage nitration threaded engagement is in push pipe and makes push pipe and described one section of end
Face offsets, and described one section and two-stage nitration are each formed with the screwed hole passed through for screw mandrel；
The outer circular section of described conduit radial section and inner wall section, the radial section of one section of described nut, push pipe radial section
Outer circular section all in plum-shaped structure, described casing is formed with quincunx locating slot, and described conduit is interference fitted in described fixed
In the groove of position, and described conduit is fixed with described casing by securing member.
Sedan-chair Vehicular electric tail-gate push rod the most according to claim 1 and 2, it is characterised in that described conduit is away from the one of casing
End is collocated with guide pin bushing, is extended with some back-offs in described guide pin bushing conductive pipe, and described conduit is formed some away from one end of casing
The mating holes coordinated with described back-off, described guide pin bushing is formed for the through hole that push pipe passes through.
Sedan-chair Vehicular electric tail-gate push rod the most according to claim 2, it is characterised in that described push pipe is away from one end of casing
Be fixed with fixed connector, one end of described fixed connector extend in described push pipe and with described push pipe threaded engagement, institute
Stating the other end of fixed connector to be screwed No. two and install bulbs, described casing is fixed with No. one and installs bulb；Described draw
Spring abutment includes that the first canned paragraph, the canned paragraph of described spring base are screwed with the fixed connector of push pipe, described spring base
First canned paragraph is extended with the second canned paragraph to case-side, and the cylindrical of described second canned paragraph is provided with and coordinates with described stretching spring
Helicitic texture, be formed for, between described second canned paragraph inwall and push pipe, the gap that conduit passes through, described conduit is away from casing
One end be collocated with jump ring, the inner face of the first canned paragraph of described spring base offsets with described jump ring, described No. two install balls
Being provided with pad between head and fixed connector, described No. two installation bulbs are provided with female thread, a side end face of described pad and institute
The outer face of the first canned paragraph stating spring base offsets, and the opposite side end face of described pad is installed bulb with described No. two and offseted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610773544.0A CN106223766A (en) | 2016-08-31 | 2016-08-31 | Sedan-chair Vehicular electric tail-gate push rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610773544.0A CN106223766A (en) | 2016-08-31 | 2016-08-31 | Sedan-chair Vehicular electric tail-gate push rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106223766A true CN106223766A (en) | 2016-12-14 |
Family
ID=58072727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610773544.0A Pending CN106223766A (en) | 2016-08-31 | 2016-08-31 | Sedan-chair Vehicular electric tail-gate push rod |
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| Country | Link |
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| CN (1) | CN106223766A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106761140A (en) * | 2017-01-23 | 2017-05-31 | 安徽沃杰斯汽车科技有限公司 | A kind of car electric tail gate strut |
| CN107816286A (en) * | 2017-11-30 | 2018-03-20 | 无锡典聚科技有限公司 | For supporting the drive mechanism of automobile tail gate |
| CN108063520A (en) * | 2018-01-17 | 2018-05-22 | 深圳兴和瑜创新科技有限公司 | A kind of disconnecting prevention structure of decelerating motor |
| CN111835137A (en) * | 2020-07-20 | 2020-10-27 | 横店集团英洛华电气有限公司 | Electric push rod |
| CN112879517A (en) * | 2021-01-20 | 2021-06-01 | 北京精密机电控制设备研究所 | Lead screw supporting and limiting structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761140A (en) * | 2017-01-23 | 2017-05-31 | 安徽沃杰斯汽车科技有限公司 | A kind of car electric tail gate strut |
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| CN112879517A (en) * | 2021-01-20 | 2021-06-01 | 北京精密机电控制设备研究所 | Lead screw supporting and limiting structure |
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Effective date of registration: 20180426 Address after: 321000 13 Chuang Chuang Road, Lanxi Economic Development Zone, Jinhua, Zhejiang Applicant after: Zhejiang Wei Heng intelligent transmission Co., Ltd. Address before: 322100 Jinhua, Zhejiang, Dongyang, Baiyun Street, 416 North Song Mountain Road Applicant before: DONGYANG GANTE ELECTRICAL CO., LTD. |
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20161214 |