CN206060445U - A kind of electric pushrod - Google Patents
A kind of electric pushrod Download PDFInfo
- Publication number
- CN206060445U CN206060445U CN201620687511.XU CN201620687511U CN206060445U CN 206060445 U CN206060445 U CN 206060445U CN 201620687511 U CN201620687511 U CN 201620687511U CN 206060445 U CN206060445 U CN 206060445U
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- shell
- outer tube
- electric pushrod
- fixed
- fixed part
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Abstract
This utility model provides a kind of electric pushrod, including motor, worm gear, screw mandrel, outer tube, shell and power line, motor is connected by worm and wheel, and worm gear is installed on inside the shell, and worm gear is fixedly connected with screw mandrel, power line one end is electrically connected with motor, the other end is electrically connected with external power source, wherein, the rear end of the outer tube is sheathed on inside the shell, enclosure is provided with fixed part, and outer tube is fixed on fixed part.General outer tube and shell are by punching on shell, outer tube is fixed on shell by screw again, so screw and hole can be exposed to case surface, the aesthetics of electric pushrod is reduced, by the rear end of outer tube is sheathed on inside the shell, and fixed part is set inside the housing, outer tube is fixed on fixed part, so cause outer tube by the fixed part of enclosure to fix, the connector such as screw, bolt will not be exposed on shell, improve the aesthetics of electric pushrod.
Description
Technical field
This utility model is related to motor machine field, more particularly to a kind of electric pushrod.
Background technology
Electric pushrod is a kind of driven by power dress of straight reciprocating motion that the rotary motion of motor is changed into push rod
Put, existing electric pushrod generally comprises motor, worm gear, screw mandrel, shell and power line, motor is connected with screw mandrel by worm gear,
Nut is set with screw mandrel, nut is connected with the screw thread on screw mandrel, and nut is connected with the rear end of inner sleeve, and worm gear is arranged on
Inside the shell, motor are rotated, and drive screw mandrel rotation, screw mandrel rotation motion to be in line by the nut coordinated with which by worm gear
Motion.Although existing electric pushrod can be very good to solve some problems, but still there is a problem of certain, such as outward appearance is not
The problems such as good-looking, assembling complexity.
The content of the invention
The purpose of this utility model is to provide a kind of outward appearance good electric pushrod.
In order to achieve the above object, this utility model is adopted the following technical scheme that：A kind of electric pushrod, including motor, snail
Wheel, screw mandrel, outer tube, shell and power line, motor are connected by worm and wheel, and worm gear is installed on inside the shell, worm gear with
Screw mandrel is fixedly connected, and power line one end is electrically connected with motor, and the other end is electrically connected with external power source, wherein, after the outer tube
End is sheathed on inside the shell, and enclosure is provided with fixed part, and outer tube is fixed on fixed part.
Further, the fixed part is provided with installing hole, and the rear end face of outer tube is provided with fixing hole, and screw is inserted through installing hole
Enter and outer tube is fixed with fixed part in fixing hole.
Further, the sidepiece of the fixing hole is provided with opening.
Further, the inwall that the shell is coordinated with outer tube is provided with convex tendon, and convex tendon is provided with a plurality of and is uniformly arranged.
Further, the fixed part is integrally formed with outer tube；Or, the fixed part passes through to snap connection or screw thread connects
Connect or be pasted on outer tube to fix.
Further, the power line is provided with canned paragraph with motor connection one end, and shell is provided with installing hole, and canned paragraph is passed through
Installing hole is simultaneously fixed on enclosure by fixed structure.
Further, the fixed structure includes the fixing hole located at canned paragraph and the stud located inside the shell, and screw is worn
Cross fixing hole to be fixedly connected with stud.
Further, the fixed structure includes the C-shaped bracket located inside the shell, and canned paragraph is connected in C-shaped hoop.
Further, the inside the shell is provided with support column, and support column is integrally formed with shell, and C-shaped bracket is located at support column
End.
Further, the screw mandrel coupling part and/or worm gear coupling part are provided with and prevent screw mandrel with respect to worm gear wheel
Anti-rotation structure.
After above-mentioned technical proposal, this utility model has the advantage that：
1st, general outer tube and shell be by punching on shell, then outer tube is fixed on shell by screw, such spiral shell
Nail and hole can be exposed to case surface, reduce the aesthetics of electric pushrod, by the rear end of outer tube is sheathed on inside the shell, and
Fixed part is set inside the housing, and outer tube is fixed on fixed part, so that outer tube is consolidated by the fixed part of enclosure
Fixed, the connector such as screw, bolt will not be exposed on shell, improve the aesthetics of electric pushrod.
2nd, by installing hole is set on fixed part, fixing hole is set on the rear end face of outer tube, outer tube is fixed on using screw
On fixed part, such screw, installing hole and fixing hole will not expose, and improve the aesthetics of electric pushrod, and fixed reliable, no
Easily loosen, simple structure, be also convenient for assembling.
3rd, opening is arranged by the sidepiece in fixing hole so that fixing hole has certain deformation quantity, is so tightening spiral shell
During nail, fixing hole will not be racked, it is to avoid during assembling, produce defective work, so as to improve production efficiency and product quality height；
Meanwhile, fixing hole is screwed hole, facilitates tightening for screw, and screw thread has auto-lock function so that fixed reliable, is difficult to loosen.
4th, by convex tendon is arranged on the inwall that shell and outer tube coordinate, such convex tendon forms certain interference with outer tube
Amount, can carry out secondary fixation, and convex tendon is provided with a plurality of and is uniformly arranged so that the week side of boss uniform force of outer tube to outer tube so that
Outer tube fixing-stable and reliability.
5th, existing power line is the outside for being fixed by screws in shell, can so affect the outward appearance of electric pushrod, is led to
Cross and canned paragraph is set in power line connection motor one end, canned paragraph is fixed on enclosure, such fixed knot by fixed structure
Structure will not expose, and improve the aesthetics of electric pushrod；Canned paragraph is fixed on inside the shell by screw, fixed reliable, assembling
Simply, and be easy to manufacture, low cost；Or, canned paragraph is fixed on inside the shell by C-shaped bracket, not only fixed reliable, and is easy to
Canned paragraph is dismantled from C-shaped bracket, and then is easy to the dismounting of power line, when needing power line to damage, is conveniently replaceable power line.
6th, existing silk worm and wheel is typically connected using interference, but so in worm gear wheel, screw mandrel can spin or skid,
By the anti-rotation structure for preventing the relative worm gear wheel of screw mandrel is arranged in screw mandrel coupling part and/or worm gear coupling part, so may be used
Screw mandrel is prevented with respect to worm gear wheel so that worm gear can effectively deliver torque to screw mandrel, improve transmission efficiency, and transmit torsion
Square is big.
Description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings：
Fig. 1 is the structural representation of electric pushrod described in the utility model；
Fig. 2 is the sectional view of electric pushrod described in the utility model；
Fig. 3 is another sectional view of electric pushrod described in the utility model；
Fig. 4 is the cooperation schematic diagram of shell and outer tube in electric pushrod described in the utility model；
Fig. 5 is the structural representation of shell in electric pushrod described in the utility model；
Fig. 6 is the structural representation of electric pushrod middle external tube described in the utility model；
Fig. 7 is the partial schematic diagram of power line in electric pushrod described in the utility model；
Fig. 8 is the scheme of installation of power line and shell in electric pushrod described in the utility model；
Fig. 9 is the enlarged drawing of A in Fig. 8；
Figure 10 is shell internal structure schematic diagram in electric pushrod described in the utility model；
Figure 11 is the enlarged drawing of B in Figure 10.
In figure, marked each component names are as follows：
1st, motor；11st, worm screw；2nd, worm gear；3rd, screw mandrel；4th, outer tube；41st, fixing hole；411st, it is open；5th, shell；51st, install
Hole；52nd, positive stop lug boss；53rd, fixed part；531st, installing hole；6th, power line；61st, canned paragraph；611st, fixing hole；62nd, limiting stand
Rank；7th, stud；8th, screw.
Specific embodiment
As shown in Fig. 1-3, this utility model provides a kind of electric pushrod, including motor 1, worm gear 2, screw mandrel 3, outer tube 4,
Shell 5 and power line 6, motor 1 are connected with worm gear 2 by worm screw 11, and worm gear 2 is installed in shell 5, worm gear 2 and screw mandrel 3
It is fixedly connected, screw mandrel 3 passes through to be welded and fixed with worm gear 2, it is of course also possible to be threaded connection or snap connection fixation, power supply
6 one end of line is electrically connected with motor 1, and the other end is stretched out in shell 5 and electrically connected with external power source, by power line 6 and external power source
Connect, motor 1 is rotated, drive worm screw 11 to rotate, worm screw 11 is driven with worm gear 2 and drives screw mandrel 3 to rotate, and screw mandrel 3 passes through outer tube 4
Rotation motion is in line motion.
As shown in Fig. 4-6, the rear end of outer tube 4 is sheathed in shell 5, and fixed part 53, fixed part 53 are provided with inside shell 5
It is integrally formed with shell 5 and is extended inwardly to form by shell 5, the boss-shaped in a ring of fixed part 53, certainly, fixed part 53 can also
For separate part, it is threaded connection or snaps connection or paste and be fixed on inside shell 5, outer tube 4 is fixed on fixed part 53,
Fixed part 53 is provided with installing hole 531, and the rear end face of outer tube 4 is provided with fixing hole 41, and fixing hole 41 is screwed hole, it is of course also possible to
For the through hole of inner wall smooth, the sidepiece of fixing hole 41 is provided with opening 411, and screw is inserted in fixing hole 41 through installing hole 531
Outer tube 4 is fixed with fixed part 53.So arrange and be advantageous in that, general outer tube and shell are by the punching on shell, then lead to
Cross screw outer tube is fixed on shell, such screw and hole can be exposed to case surface, reduce the aesthetics of electric pushrod,
By the rear end of outer tube is sheathed on inside the shell, and fixed part is set inside the housing, outer tube is fixed on fixed part, is so made
Outer tube is obtained by the fixed part of enclosure to fix, the connector such as screw, bolt will not be exposed on shell, improved electronic
The aesthetics of push rod.
Meanwhile, by installing hole is set on fixed part, fixing hole is set on the rear end face of outer tube, outer tube is fixed using screw
On fixed part, such screw, installing hole and fixing hole will not expose, and improve the aesthetics of electric pushrod, and fixed reliable,
It is difficult to loosen, simple structure is also convenient for assembling.
Further, opening is arranged by the sidepiece in fixing hole so that fixing hole has certain deformation quantity, is so tightening
During screw, fixing hole will not be racked, it is to avoid during assembling, produce defective work, so as to improve production efficiency and product quality
It is high；Meanwhile, fixing hole is screwed hole, facilitates tightening for screw, and screw thread has auto-lock function so that fixed reliable, is difficult pine
It is dynamic.
It will of course be understood that, outer tube 4 can also be connected with fixed part 53 by buckle, by card is arranged on outer tube 4
Button, is arranged draw-in groove on fixed part 53, outer tube 4 is fixedly connected with fixed part 53 with the cooperation of draw-in groove by buckle；Or, outside
Draw-in groove is set on pipe 4, buckle is set on fixed part 53, by the cooperation of buckle and draw-in groove by outer tube 4 and 53 company of fixation of fixed part
Connect, aforesaid way is also capable of achieving the effect of the aesthetics for lifting electric pushrod, and simple structure, easily realizes.
The inwall that shell 5 is coordinated with outer tube 4 is provided with convex tendon, and convex tendon is provided with a plurality of and is uniformly arranged, such convex tendon and outer tube
Certain magnitude of interference is formed, secondary fixation can be carried out to outer tube, and convex tendon is provided with a plurality of and is uniformly arranged so that the week side of boss of outer tube
Uniform force so that outer tube fixing-stable and reliability.
As shown in Fig. 7-11, power line 6 is connected one end and is provided with canned paragraph 61 with motor 1, and shell 5 is provided with installing hole 51, Gu
Section 61 being determined through installing hole 51 and being fixed on inside shell 5 by fixed structure, fixed structure is specifically included located at canned paragraph 61
On fixing hole 611 and the stud 7 in shell 5, screw 8 is fixed on canned paragraph 61 in shell 5 through fixing hole 611,
In the present embodiment, fixing hole 611 is provided with one, and accordingly, stud 7 and screw 8 are provided with one；Certainly, fixing hole 611 can set
There are two and be arranged at intervals on canned paragraph 61, so fixation is more firm, is difficult to release.So arrange and be advantageous in that, it is existing
Some power lines are the outsides for being fixed by screws in shell, can so affect the outward appearance of electric pushrod, by connecting in power line
Connect motor one end and canned paragraph is set, canned paragraph is fixed on enclosure by fixed structure, and such fixed structure will not expose, carry
The aesthetics of electric pushrod is risen；Canned paragraph is fixed on inside the shell by screw, and fixed reliable, assembling is simple, and is easy to system
Make, low cost.
As shown in Fig. 1,7, shell 5 is located at outside installing hole 51 and is provided with positive stop lug boss 52, and power line 6 is provided with and limit convex
The limited step 62 that platform 52 coordinates, positive stop lug boss 52 stretches out by shell 5 and formed, positive stop lug boss 52 and 5 integrated injection molding of shell
Molding, can so prevent power line 6 from loosening, and further lift the reliability that power line 6 is fixed, and positive stop lug boss 52 and shell 5
It is integrally formed, limited step 62 is integrally formed with power line 6, is easy to the molding manufacture of shell 5 and power line 6, reduces processing
Step, reduces processing cost.
As shown in Fig. 23 coupling part of screw mandrel and/or 2 coupling part of worm gear are provided with prevents what screw mandrel 3 from rotating relative to worm gear 2
Anti-rotation structure.So arrange and be advantageous in that, existing silk worm and wheel is typically connected using interference, but so in worm gear wheel
When, screw mandrel can spin or skid, and prevent the relative worm gear of screw mandrel from turning by arranging in screw mandrel coupling part and/or worm gear coupling part
Dynamic anti-rotation structure, can so prevent screw mandrel with respect to worm gear wheel so that worm gear can effectively deliver torque to screw mandrel, be lifted
Transmission efficiency, and transmitting torque is big.
In the present embodiment, on the coupling part of screw mandrel 3, anti-rotation structure is the connecting portion located at screw mandrel 3 to anti-rotation structure
Annular knurl on point, annular knurl are specially twill annular knurl, and certainly, annular knurl can also be straight knurling or hatching knurling, which increase
The frictional force of screw mandrel, improves the reliability that a worm and wheel is fixed, it is achieved thereby that the effect and transmission of screw mandrel transmitting torque
Moment of torsion it is big, meanwhile, this mode simple structure, easy processing, easy for installation, reliability are high, and production efficiency is high.
It should be understood that anti-rotation structure is on worm gear coupling part, anti-rotation structure is specially located at worm gear coupling part
On annular knurl.
It should be understood that anti-rotation structure includes that the anti-rotation groove on screw mandrel and the anti-rotation on worm gear are raised, anti-rotation
It is raised to insert in anti-rotation groove to prevent the relative worm gear wheel of screw mandrel；Or, anti-rotation structure includes that the anti-rotation on screw mandrel is raised
And the anti-rotation groove on worm gear, anti-rotation is raised to be inserted in anti-rotation groove to prevent the relative worm gear wheel of screw mandrel.
Embodiment two：
The present embodiment is that fixed structure is different with the difference of embodiment one.
In the present embodiment, fixed structure is specially the C-shaped bracket being arranged in shell 5, is located at installing hole 51 in shell 5
Support column, support column and shell integrated injection molding are provided with, it is of course also possible to mode connects for screw is in inside the shell, C-shaped bracket is located at props up
The end of dagger, C-shaped bracket are elasticity, and canned paragraph 61 can be connected in C-shaped bracket, by the amount of elastic deformation of C-shaped bracket
Canned paragraph 61 is fixed, it is fixed reliable, it is difficult to release, meanwhile, when power line is damaged, facilitate the dismounting of power line, be easy to
The replacing of power supply.
The present embodiment is advantageous in that canned paragraph is fixed on inside the shell by C-shaped bracket, not only fixed reliable, and is easy to
Canned paragraph is dismantled from C-shaped bracket, and then is easy to the dismounting of power line, when needing power line to damage, is conveniently replaceable power line.
In addition to above preferred embodiment, this utility model also has other embodiments, and those skilled in the art can be with root
It is variously modified according to this utility model and deforms, without departing from spirit of the present utility model, this utility model all should be belonged to
Scope defined in claims.
Claims (10)
1. a kind of electric pushrod, including motor, worm gear, screw mandrel, outer tube, shell and power line, motor are passed by worm and wheel
Dynamic connection, worm gear are installed on inside the shell, and worm gear is fixedly connected with screw mandrel, and power line one end is electrically connected with motor, the other end with it is outer
Portion's power electric connection, it is characterised in that the rear end of the outer tube is sheathed on inside the shell, enclosure is provided with fixed part, and outer tube is solid
On fixed part.
2. electric pushrod according to claim 1, it is characterised in that the fixed part is provided with installing hole, the rear end face of outer tube
Fixing hole is provided with, screw is inserted in fixing hole through installing hole and outer tube is fixed with fixed part.
3. electric pushrod according to claim 2, it is characterised in that the sidepiece of the fixing hole is provided with opening.
4. electric pushrod according to claim 1, it is characterised in that the inwall that the shell is coordinated with outer tube is provided with convex tendon,
Convex tendon is provided with a plurality of and is uniformly arranged.
5. electric pushrod according to claim 1, it is characterised in that the fixed part is integrally formed with outer tube；Or, it is described
Fixed part is fixed with outer tube by snapping connection or being threadedly coupled or paste.
6. the electric pushrod according to any one of claim 1-5, it is characterised in that the power line and motor connection one end
Canned paragraph is provided with, and shell is provided with installing hole, and canned paragraph passes through installing hole and enclosure is fixed on by fixed structure.
7. electric pushrod according to claim 6, it is characterised in that the fixed structure includes the fixing hole located at canned paragraph
And located at the stud of inside the shell, screw is fixedly connected through fixing hole with stud.
8. electric pushrod according to claim 6, it is characterised in that the fixed structure includes the C-shaped card located inside the shell
Hoop, canned paragraph are connected in C-shaped hoop.
9. electric pushrod according to claim 8, it is characterised in that the inside the shell is provided with support column, support column and shell
It is integrally formed, C-shaped bracket is located at the end of support column.
10. the electric pushrod according to any one of claim 1-5, it is characterised in that the screw mandrel coupling part and/or snail
Wheel coupling part is provided with the anti-rotation structure for preventing screw mandrel with respect to worm gear wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620687511.XU CN206060445U (en) | 2016-06-28 | 2016-06-28 | A kind of electric pushrod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620687511.XU CN206060445U (en) | 2016-06-28 | 2016-06-28 | A kind of electric pushrod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206060445U true CN206060445U (en) | 2017-03-29 |
Family
ID=58375746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620687511.XU Active CN206060445U (en) | 2016-06-28 | 2016-06-28 | A kind of electric pushrod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206060445U (en) |
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2016
- 2016-06-28 CN CN201620687511.XU patent/CN206060445U/en active Active
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