CN107630622A - A kind of improved electric strut - Google Patents
A kind of improved electric strut Download PDFInfo
- Publication number
- CN107630622A CN107630622A CN201710987511.0A CN201710987511A CN107630622A CN 107630622 A CN107630622 A CN 107630622A CN 201710987511 A CN201710987511 A CN 201710987511A CN 107630622 A CN107630622 A CN 107630622A
- Authority
- CN
- China
- Prior art keywords
- gear
- outer tube
- improved electric
- box cover
- inner tube
- 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.)
- Granted
Links
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
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
-
- 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
Abstract
The invention discloses a kind of improved electric strut, the inner tube being slidably matched including outer tube and with outer tube, bushing is provided between inner tube and outer tube, the transmission mechanism for driving inner tube to enter line slip along its axial direction is provided with the inside of outer tube, motor is provided with the bottom of outer tube, gear-box and internal spline body, gear ring is provided between gear-box and outer tube, the output shaft of motor is connected with the input shaft of gear-box, internal spline body is arranged on gear-box by gear box cover and is connected with the output shaft of gear-box, the input of transmission mechanism is plugged on internal spline body, bearing block is provided between gear box cover and bushing, in the front end of inner tube the first ball cup and the second ball cup that are engaged with the support bulb being arranged on automobile tail gate and body of a motor car are respectively equipped with the bottom of outer tube, spring is provided with the outer sheath of transmission mechanism.Assembling process of the present invention is relatively simple, not only increases packaging efficiency, and also reduces the labor intensity of operating personnel.
Description
Technical field
The present invention relates to electronic strut technical field, is related specifically to a kind of improved electric strut.
Background technology
The unlatching tradition of automobile tail gate is manually opened tail-gate after being unlocked by driver, is connected by pneumatic rod or four
Bar hinge or gooseneck hinge coordinate what torsion-bar spring was realized.In domestic existing automobile, typically connected using pneumatic rod or four
Bar hinge or gooseneck hinge coordinate torsion-bar spring, and the only car of high gauge uses electric tail gate, are real by electronic strut
Existing.
The overall structure of existing electronic strut it is complex, it is necessary to assembling parts species it is more, assembling process compared with
To be cumbersome, the packaging efficiency for not only reducing electronic strut is adopted the structure, and the work for also improving assembler is strong
Degree, while also improve the production cost of such a electronic strut and reduce practical performance.
But in view of the shortcomings of the prior art, developer is necessary to develop a kind of reasonable in design, simple in construction, assembling process
It is relatively simple, packaging efficiency is not only increased, and the labor intensity of operating personnel is also reduced, while also reduce and be produced into
Sheet and the improved electric strut for improving practical performance.
The content of the invention
To solve the problems, such as that prior art is present, the object of the invention provide it is a kind of it is reasonable in design, simple in construction, assembled
Journey is relatively simple, not only increases packaging efficiency, and also reduces the labor intensity of operating personnel, while also reduces production
Cost and the improved electric strut for improving practical performance.
To solve above technical problem, the present invention is realized using following technical scheme：
A kind of improved electric strut, it is characterised in that the inner tube being slidably matched including outer tube and with outer tube, described interior
Bushing is provided between pipe and outer tube, the transmission mechanism for driving inner tube to enter line slip along its axial direction is provided with the inside of the outer tube,
Motor, gear-box and internal spline body are provided with the bottom of the outer tube, gear ring is provided between the gear-box and outer tube, it is described
The output shaft of motor is connected with the input shaft of gear-box, the internal spline body be arranged on by gear box cover on gear-box and with
The output shaft of gear-box is connected, and the input of the transmission mechanism is plugged on internal spline body, in the gear box cover and lining
Bearing block is provided between set, automobile tail gate and Automobile are respectively equipped with and are arranged in the bottom of the front end of said inner tube and outer tube
The first ball cup and the second ball cup that support bulb with it is engaged, spring is provided with the outer sheath of the transmission mechanism,
The bottom of the spring is crimped on bushing, and front end is crimped on the first ball cup, and front end is provided with the front end sleeve of said inner tube
Sealing shroud, bottom end seal set is arranged with the bottom of the outer tube.
In a preferred embodiment of the invention, the bushing includes overall bush body in a tubular form, in the lining
The bottom of set body is provided with force structure, and the force structure is close on bearing block under the force of a spring, in the lining
Set body front end be provided with cage-shaped structure, in the cage-shaped structure by it is secondary it is encapsulated be molded with the middle part of sealing shroud.
In a preferred embodiment of the invention, the force structure include be arranged on the bottom of bush body by
Power ring, annular boss is provided with the inner ring surface of the stress ring.
In a preferred embodiment of the invention, the cage-shaped structure is by ring body, the front end of bush body and setting
The more support bars between ring body and the front end of bush body are formed.
In a preferred embodiment of the invention, the transmission mechanism includes leading screw and the leading screw spiral shell coordinated with leading screw
Mother, the bottom of the leading screw are plugged on internal spline body.
In a preferred embodiment of the invention, first ball cup is integrally formed using microdiecast, and described
One ball cup includes overall cylindrical pedestal and the bulb being integrally formed with pedestal, and the bulb is arranged on one end of pedestal
On, it is provided with the inner surface of the other end of the pedestal and matches with the external screw thread being arranged on the outer peripheral face of feed screw nut front end
The internal thread of conjunction.
In a preferred embodiment of the invention, on the outer peripheral face in the middle part of the pedestal be provided be arranged on inner tube before
The annular groove that the interior male structure at end is engaged.
In a preferred embodiment of the invention, it is provided with the outer peripheral face of the front end of the pedestal with being arranged on front end
The annular slot that annular card base on sealing shroud is engaged.
In a preferred embodiment of the invention, the cushion collar between the bearing block and gear box cover, it is described slow
Punching set is formed using integrated through injection molding, and the cushion collar is coated on the buffering sleeve body in the big footpath section of gear box cover, in institute
The crimping bulge loop on front end face of the front end provided with the big footpath section for being crimped on gear box cover of buffering sleeve body is stated, in the buffering
The bottom of sleeve body is provided with the bottom face of big footpath section and the front end face and gear box cover of gear ring being connected to by gear box cover
Path section the anticreep neck that is formed of outer peripheral face in back-off.
In a preferred embodiment of the invention, it is circumferentially distributed along its on the outer peripheral face of the cushion collar barrel front end
There is the spacing convex pin that multiple limited impressions with the big footpath section for being arranged on gear box cover are engaged.
Compared with prior art, the present invention is effectively reduced the parts for assembling electronic strut, energy using said structure
Enough make the assembling process of electronic strut relatively simple, not only increase the packaging efficiency of electronic strut, and also reduce operation
The labor intensity of personnel, while also reduce the production cost of electronic strut and improve practical performance.
Brief description of the drawings
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 the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the present invention.
Fig. 2 is Fig. 1 A-A sectional views.
Fig. 3 is the structural representation of bushing of the present invention.
Fig. 4 is Fig. 3 sectional view.
Fig. 5 is the structural representation that bushing of the present invention is not molded middle part sealing shroud.
Fig. 6 is Fig. 5 sectional view.
Fig. 7 is the structural representation of the first ball cup of the invention.
Fig. 8 is Fig. 7 sectional view.
Fig. 9 is the structural representation of cushion collar of the present invention.
Figure 10 is Fig. 9 sectional view.
Figure 11 is cushion collar of the present invention and the structural representation after gear ring assembling.
Figure 12 is enlarged drawing at Figure 11 B.
Figure 13 is cushion collar of the present invention and the structural representation before gear ring assembling.
Figure 14 is enlarged drawing at Figure 13 C.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is expanded on further.
A kind of improved electric strut that is shown referring to Figures 1 and 2, being provided in figure, including outer tube 100 and with outer tube 100
The inner tube 200 being slidably matched.
Bushing 300 is provided between inner tube 200 and outer tube 100, is provided with the inside of outer tube 100 and drives inner tube 200 along its
Axially enter the transmission mechanism 400 of line slip, motor 500, gear-box 600 and internal spline body 700 be provided with the bottom of outer tube 100,
Gear ring 610 is provided between gear-box 600 and outer tube 100, the output shaft of motor 500 is connected with the input shaft of gear-box 600,
Internal spline body 700 is arranged on gear-box 600 by gear box cover 620 and is connected with the output shaft of gear-box 600, driver
The input of structure 400 is plugged on internal spline body 700, and bearing block 1000 is provided between gear box cover 620 and bushing 300.
It is respectively equipped with and is arranged on automobile tail gate and body of a motor car in the bottom of the front end of inner tube 200 and outer tube 100
The first ball cup 800 and the second ball cup 900 that support bulb is engaged, spring is provided with the outer sheath of transmission mechanism 400
1400, spring 1400 is flocking spring in the present embodiment, can effectively reduce the electronic strut and be produced in the course of the work
Raw noise.
The bottom of spring 1400 is crimped on bushing 300, and front end is crimped on the first ball cup 800, before inner tube 200
End is arranged with forward end seal set 1200, and bottom end seal set 1300 is arranged with the bottom of outer tube 100.
Shown in reference picture 3- Fig. 6, bushing 300 includes overall bush body 330 in a tubular form, and bush body 330 is arranged on
Between outer tube 100 and inner tube 200, force structure 311 is provided with the bottom 310 of bush body 330, force structure 311 is in spring
It is close under 1400 active force on bearing block 1000.
Force structure 311 includes the stress ring 311a being arranged on the bottom 310 of bush body 330, the bottom of spring 1400
End applies pressure on stress ring 311a, it is close on bearing block 1000, and outer tube 100 is consolidated by way of indentation 110
It is scheduled on bearing block 1000, bushing 300 is positioning matrix with bearing block 1000 with outer tube 100, and adopting the structure to make
Between bushing 300 and outer tube 100 more firmly, reliably, not only independently of one another, and it is independent of each other.
Annular boss 311b is provided with stress ring 311a inner ring surface, the bottom of spring 1400 is set in annular boss
On 311b, the stability effectively raised between spring 1400 and bushing 300 is adopted the structure, further increases this
The practical performance of bushing 300.
Cage-shaped structure 321 is provided with the front end 320 of bush body 330, passes through secondary encapsulated injection in cage-shaped structure 321
There is middle part sealing shroud 1500, so that middle part sealing shroud 1500 wraps up with the mutually winding of cage-shaped structure 321, it is indivisible to form one
Entirety, effectively raise middle part sealing shroud 1500 and cage-shaped structure 321 between stability, meanwhile, cage-shaped structure 321
Also become skeleton and the support of middle part sealing shroud 1500, it is ensured that the size and sealing effectiveness of middle part sealing shroud 1500, at this
Middle part sealing shroud 1500 is fabricated using polyester elastic materials in embodiment.
Cage-shaped structure 321 by ring body 321a, bush body 330 front end 320 and be arranged on ring body 321a and bushing sheet
More support bar 321b between the front end 320 of body 330 are formed, and effectively raise the stability of cage-shaped structure 321.
There is advantages below using the bushing of said structure：1. outer tube reduces punching operation, not only reduce and be produced into
This, and also improve production efficiency；2. making bush body be combined into an entirety with sealing shroud, reduce number of assembling steps, save
Built-up time, improves production efficiency, reduces management cost；3. integral bushings assembled compared with split type bushing
Journey is relatively simple, and packaging efficiency is higher；4. completely eliminating the situation that split type bushing and sealing shroud are fallen off, reduce
Fault rate, improve service life.
Transmission mechanism 400 includes leading screw 410 and the feed screw nut 420 coordinated with leading screw 410, the bottom grafting of leading screw 410
On internal spline body 700.
Shown in reference picture 7 and Fig. 8, the first ball cup 800 is integrally formed using microdiecast, is adopted the structure effective
Improve the production efficiency and sealing property of the first ball cup 800.
First ball cup 800 includes overall cylindrical pedestal 810 and the bulb 820 being integrally formed with pedestal 810, ball
First 820 are arranged on one end of pedestal 810, are provided with the inner surface of the other end of pedestal 810 with being arranged on feed screw nut 420
The internal thread 811 that external screw thread 421 on the outer peripheral face of front end is engaged, is effectively matched somebody with somebody by internal thread 811 and external screw thread 421
Close, effectively raise the stability between the first ball cup 800 and feed screw nut 420.
The annular being engaged with being arranged on the interior male structure of the front end of inner tube 200 is provided with the outer peripheral face at the middle part of pedestal 810
Groove 812, annular groove 812 and pedestal 810 are coaxial, are effectively coordinated by interior male structure and annular groove 812, effectively raise
Stability between one ball cup 800 and inner tube 200.
It is provided with the outer peripheral face of the front end of pedestal 810 and is engaged with the annular card base being arranged on forward end seal set 1200
Annular slot 813, annular slot 813 and pedestal 810 are coaxial, are effectively coordinated by annular card base and annular slot 813, had
The stability improved between the first ball cup 800 and forward end seal set 1200 of effect.
There is advantages below using the first ball cup of said structure：1. ball cup is integrally formed using microdiecast, have
The production efficiency for improving ball cup of effect；2. avoiding that bulb is arranged on pedestal using connector, bulb and seat are eliminated
The installation process of body, effectively reduce the cost of production and management；3. ball cup is an entirety, bulb is effectively raised
The sealing property of seat.
Shown in reference picture 9- Figure 14, the cushion collar 1100 between bearing block 1000 and gear box cover 620, cushion collar 1100
Formed using integrated through injection molding, cushion collar 1100 is fabricated using rubber in the present embodiment.
Cushion collar 1100 is coated on the buffering sleeve body 1110 in the big footpath section of gear box cover 620, in buffering sleeve
The front end 1111 of body 1110 is provided with the crimping bulge loop 1120 on the front end face for the big footpath section for being crimped on gear box cover 620.
Crimping bulge loop 1120 is arranged between bearing block and gear box cover 620, effective to buffer transmission mechanism 400 and axle
Bearing 1000 is applied to the reaction force on gear-box 600, while reduces noise.
Be provided with the bottom 1112 of buffering sleeve body 1110 be connected to bottom face by the big footpath section of gear box cover 620 with
The back-off in anticreep neck 1600 that the front end face of gear ring 610 and the outer peripheral face of the path section of gear box cover 620 are formed
1130。
During installation, it is connected in anticreep neck 1600, is adopted the structure in assembling, detection and fortune by back-off 1130
During defeated, cushion collar 1100 can be effectively avoided to be come off from gear box cover 620.
On the outer peripheral face of buffering sleeve body 1110 front end 1111 along its it is circumferentially distributed have it is multiple with being arranged on gear box cover
The spacing convex pin 1113 that limited impression 621 in 620 big footpath section is engaged.
Spacing convex pin 1113 is connected in limited impression 621, and the opposed gear case lid 620 of cushion collar 1100 can be avoided to send out
It is raw to relatively rotate, effectively raise the stability between cushion collar 1100 and gear box cover 620.
The present invention is effectively reduced the parts for assembling electronic strut using said structure in summary, can make electronic
The assembling process of strut is relatively simple, not only increases the packaging efficiency of electronic strut, and also reduces the labor of operating personnel
Fatigue resistance, while also reduce the production cost of electronic strut and improve practical performance.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, various changes and modifications of the present invention are possible without departing from the spirit and scope of the present invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent defines.
Claims (10)
- A kind of 1. improved electric strut, it is characterised in that the inner tube being slidably matched including outer tube and with outer tube, in said inner tube Bushing is provided between outer tube, the transmission mechanism for driving inner tube to enter line slip along its axial direction is provided with the inside of the outer tube, The bottom of the outer tube is provided with motor, gear-box and internal spline body, and gear ring, the electricity are provided between the gear-box and outer tube The output shaft of machine is connected with the input shaft of gear-box, and the internal spline body is arranged on by gear box cover on gear-box and and tooth The output shaft of roller box is connected, and the input of the transmission mechanism is plugged on internal spline body, in the gear box cover and bushing Between be provided with bearing block, be respectively equipped with and be arranged on automobile tail gate and body of a motor car in the bottom of the front end of said inner tube and outer tube On support bulb the first ball cup and the second ball cup that are engaged, be provided with spring, institute in the outer sheath of the transmission mechanism The bottom for stating spring is crimped on bushing, and front end is crimped on the first ball cup, and it is close to be provided with front end in the front end sleeve of said inner tube Big envelope, bottom end seal set is arranged with the bottom of the outer tube.
- A kind of 2. improved electric strut according to claim 1, it is characterised in that：The bushing includes entirety in a tubular form Bush body, be provided with force structure in the bottom of the bush body, the force structure is close under the force of a spring In on bearing block, cage-shaped structure is provided with the front end of the bush body, passes through secondary encapsulated injection in the cage-shaped structure There is middle part sealing shroud.
- A kind of 3. improved electric strut according to claim 2, it is characterised in that：The force structure includes being arranged on Stress ring on the bottom of bush body, annular boss is provided with the inner ring surface of the stress ring.
- A kind of 4. improved electric strut according to claim 2, it is characterised in that：The cage-shaped structure is by ring body, lining The more support bars for covering the front end of body and being arranged between ring body and the front end of bush body are formed.
- A kind of 5. improved electric strut according to claim 1, it is characterised in that：The transmission mechanism include leading screw and The feed screw nut coordinated with leading screw, the bottom of the leading screw is plugged on internal spline body.
- A kind of 6. improved electric strut according to claim 5, it is characterised in that：First ball cup is using accurate Die casting is integrally formed, and first ball cup includes overall cylindrical pedestal and the bulb being integrally formed with pedestal, described Bulb is arranged on one end of pedestal, is provided with the inner surface of the other end of the pedestal with being arranged on feed screw nut front end The internal thread that external screw thread on outer peripheral face is engaged.
- A kind of 7. improved electric strut according to claim 6, it is characterised in that：Outer peripheral face in the middle part of the pedestal It is provided with the annular groove being engaged with being arranged on the interior male structure of inner tube front end.
- A kind of 8. improved electric strut according to claim 6, it is characterised in that：In the periphery of the front end of the pedestal Face is provided with the annular slot that the annular card base put with being arranged on forward end seal is engaged.
- A kind of 9. improved electric strut according to claim 1, it is characterised in that：In the bearing block and gear box cover Between cushion collar, the cushion collar formed using integrated through injection molding, and the cushion collar is coated on the big footpath section of gear box cover On buffering sleeve body, it is described buffering sleeve body front end on be provided be crimped on the front end face of big footpath section of gear box cover Bulge loop is crimped, the bottom face and gear ring being connected to by the big footpath section of gear box cover are provided with the bottom of the buffering sleeve body The back-off in anticreep neck that the outer peripheral face of the path section of front end face and gear box cover is formed.
- A kind of 10. improved electric strut according to claim 9, it is characterised in that：In the cushion collar barrel front end Outer peripheral face on along its, circumferentially distributed to have multiple limited impressions with the big footpath section for being arranged on gear box cover to be engaged spacing Convex pin.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711271598.8A CN108092460B (en) | 2017-10-20 | 2017-10-20 | Motor assembly with buffer sleeve for electric support rod |
| CN201710987511.0A CN107630622B (en) | 2017-10-20 | 2017-10-20 | A kind of improved electric strut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710987511.0A CN107630622B (en) | 2017-10-20 | 2017-10-20 | A kind of improved electric strut |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711271598.8A Division CN108092460B (en) | 2017-10-20 | 2017-10-20 | Motor assembly with buffer sleeve for electric support rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107630622A true CN107630622A (en) | 2018-01-26 |
| CN107630622B CN107630622B (en) | 2019-05-14 |
Family
ID=61104582
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711271598.8A Active CN108092460B (en) | 2017-10-20 | 2017-10-20 | Motor assembly with buffer sleeve for electric support rod |
| CN201710987511.0A Active CN107630622B (en) | 2017-10-20 | 2017-10-20 | A kind of improved electric strut |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711271598.8A Active CN108092460B (en) | 2017-10-20 | 2017-10-20 | Motor assembly with buffer sleeve for electric support rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN108092460B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110656839A (en) * | 2018-09-05 | 2020-01-07 | 辽宁智在前行科技有限公司 | Electric tail gate supporting structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108092460B (en) | 2020-04-14 |
| CN107630622B (en) | 2019-05-14 |
| CN108092460A (en) | 2018-05-29 |
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