CN204942438U - A kind of Linear actuator - Google Patents
A kind of Linear actuator Download PDFInfo
- Publication number
- CN204942438U CN204942438U CN201520708958.6U CN201520708958U CN204942438U CN 204942438 U CN204942438 U CN 204942438U CN 201520708958 U CN201520708958 U CN 201520708958U CN 204942438 U CN204942438 U CN 204942438U
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- CN
- China
- Prior art keywords
- leading screw
- guide pipe
- linear actuator
- nut
- motor
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- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a kind of Linear actuator, belongs to machinery manufacturing technology field.It solve the technical problems such as existing Linear actuator complex structure, volume be large.This Linear actuator comprises the guide pipe of hollow, motor and leading screw is provided with in guide pipe, the length direction of leading screw and the axial consistent of guide pipe, leading screw is connected with the output shaft of motor and motor can drive screw turns, leading screw is bolted with nut, nut is fixed with the telescopic pipe of hollow, telescopic pipe is set on leading screw and telescopic pipe can stretch out guide pipe.Activation configuration in the utility model is compacter, and volume is little, and installation dimension is short, increases the space of stored article; Adopt the cooperation transmission of the leading screw of nut in model utility, precisely can realize on off control, ensure the accuracy that cabinet door is opened.
Description
Technical field
The utility model belongs to machinery manufacturing technology field, relates to a kind of driving mechanism, particularly a kind of Linear actuator.
Background technique
Linear actuator is linear pushing mechanism, usual driving source adopts motor, therefore also known as linear electric motor, can think that electric rotating machine extends in the one of configuration aspects, be made up of mechanisms such as motor push rod and control gear, the converting rotary motion of motor is the straight reciprocating motion of push rod by it.
China's patent (notification number: CN103944307A; Publication date: 2014-07-23) disclose a kind of slide block type Linear actuator, comprise aluminum alloy body frame, an oblong openings chute is had above aluminum alloy body frame, be provided with four rectangular mounting grooves below aluminum alloy body frame, the two ends of aluminum alloy body frame are respectively equipped with front cover and tail end cover; Drive motor and epicyclic gearbox, combine and be assemblied in the side of aluminum alloy body frame inside, and the motor circuit of drive motor is through tail end cover; Trapezoidal screw one end connects the output shaft of epicyclic gearbox, the opposite side of the other end connecting aluminum alloy body frame inside; It is inner that slider nut is arranged on aluminum alloy body frame, the chimeric trapezoidal screw in slider nut inside, and the top of slider nut has internal thread; Opening screw passes oblong openings chute and combines with the internal thread of slider nut, for fixing by the object of Linear Driving; Circular circuit board is assembled in the anode and cathode terminals place of drive motor afterbody; Wherein, drive motor and epicyclic gearbox are fixed on a square mounting of aluminum alloy body frame inside, and square mounting is between epicyclic gearbox and trapezoidal screw, and square mounting passes through fixed base screw fastening in the both sides of aluminum alloy body frame inwall.
Slide block type Linear actuator structure in above-mentioned patent is comparatively complicated, and volume is comparatively large, is not suitable for being installed on the conventional cabinet door automatic opening-closing of the families such as cupboard door.
Summary of the invention
The problems referred to above that the utility model exists for existing technology, provide a kind of Linear actuator, technical problem to be solved in the utility model is: how to improve the volume the driving precision improving driver that reduce Linear actuator.
The utility model object realizes by following technical proposal:
A kind of Linear actuator, comprise the guide pipe of hollow, it is characterized in that, motor and leading screw is provided with in described guide pipe, the length direction of described leading screw and the axial consistent of described guide pipe, described leading screw is connected with the output shaft of described motor and described motor can drive described screw turns, and described leading screw is bolted with nut, described nut is fixed with the telescopic pipe of hollow, described telescopic pipe is set on described leading screw and described telescopic pipe can stretch out described guide pipe.
Its principle is as follows: the Linear actuator in the technical program is applicable to be arranged in cupboard door, also can apply on the door such as cabinet or wardrobe, realizes the recloser of cabinet door, improves the convenience of automaticity and use.This Linear actuator comprises guide pipe, telescopic pipe and leading screw, sheathed successively from outside to inside, and as preferably, three is coaxially arranged, and make whole activation configuration compacter like this, volume is little, and installation dimension is short, increases the space of stored article.Electric machine rotation drives screw turns, because the nut on leading screw and leading screw are spirally connected, nut can move back and forth along with the positive and negative of leading screw on leading screw, thus drive telescopic pipe to move, telescopic pipe can promote or pull the unlatching of cabinet door with closed, owing to adopting the cooperation transmission of the leading screw of nut, precisely can realize on off control, ensure the accuracy that cabinet door is opened.
In above-mentioned Linear actuator, one end of described telescopic pipe is free end, and the other end is connecting end, and described connecting end and described nut are connected, and described free end offers the mounting hole one along described telescopic pipe radial direction.The free end of telescopic pipe is fixed on cabinet door by mounting hole one, and telescopic pipe moves and drives the opening and closing of cabinet door.
In above-mentioned Linear actuator, the two ends of described guide pipe all have opening, the front end of described guide pipe is provided with front cover, the rear end of described guide pipe is provided with rear plug, described front cover offers the through hole that described telescopic pipe can pass, the rear end of described guide pipe offers the mounting hole two along guide pipe radial direction.The free end of telescopic pipe is fixed on cabinet door by mounting hole one, and the rear end of guide pipe is fixed on cabinet wall by mounting hole two, and it is convenient to install, and uses reliable.
In above-mentioned Linear actuator, described motor is planetary reducing motor.The power run up is reached the object of deceleration by planetary reducing motor by the gearwheel on the few gears meshing output shaft of the number of teeth on the input shaft of speed reducer, thus ensure the mild and stable of cabinet door opening and closing, prevent cabinet door inertia excessive and impact or rebound.
In above-mentioned Linear actuator, described leading screw is trapezoidal screw.The low cost of manufacture of trapezoidal screw, and can coordinate with nut is stable, realize telescopic pipe stable mobile.
In above-mentioned Linear actuator, described guide pipe adopts metallic aluminium to make, and described nut adopts metallic copper to make, and described leading screw adopts stainless steel to make.
Compared with prior art, have the following advantages in the utility model:
1, the activation configuration in the utility model is compacter, and volume is little, and installation dimension is short, increases the space of stored article;
2, adopt the cooperation transmission of the leading screw of nut in the utility model, precisely can realize on off control, ensure the accuracy that cabinet door is opened.
Accompanying drawing explanation
Fig. 1 is the perspective view of this Linear actuator.
Fig. 2 is the internal structure schematic diagram of this Linear actuator.
In figure, 1, guide pipe; 2, motor; 3, leading screw; 4, nut; 5, telescopic pipe; 6, mounting hole one; 7, mounting hole two; 8, through hole; 9, opening; 10, front cover; 11, rear plug.
Embodiment
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As depicted in figs. 1 and 2, this Linear actuator comprises the guide pipe 1 of hollow, state in guide pipe 1 and be provided with motor 2 and leading screw 3, the length direction of leading screw 3 and the axial consistent of guide pipe 1, leading screw 3 is connected with the output shaft of motor 2 and motor 2 can drive leading screw 3 to rotate, leading screw 3 is bolted with nut 4, nut 4 is fixed with the telescopic pipe 5 of hollow, telescopic pipe 5 is set on leading screw 3 and telescopic pipe 5 can stretch out guide pipe 1, one end of telescopic pipe 5 is free end, the other end is connecting end, connecting end and nut 4 are connected, free end offers the mounting hole 1 along telescopic pipe 5 radial direction, the two ends of guide pipe 1 all have opening 9, the front end of guide pipe 1 is provided with front cover 10, the rear end of guide pipe 1 is provided with rear plug 11, front cover 10 offers the through hole 8 that telescopic pipe 5 can pass, the rear end of guide pipe 1 offers the mounting hole 27 along guide pipe 1 radial direction.
Linear actuator in the present embodiment is applicable to be arranged in cupboard door, also can apply on the door such as cabinet or wardrobe, realizes the recloser of cabinet door, improves the convenience of automaticity and use.In this Linear actuator, the free end of telescopic pipe 5 is fixed on cabinet door by mounting hole 1, the rear end of guide pipe 1 is fixed on cabinet wall by mounting hole 27, guide pipe 1, telescopic pipe 5 and leading screw 3 are sheathed successively from outside to inside, and three is coaxially arranged, whole activation configuration is compact, volume is little, and installation dimension is short, increases the space of stored article.Motor 2 rotating band movable wire thick stick 3 rotates, and because the nut 4 on leading screw 3 and leading screw 3 are spirally connected, nut 4 can move back and forth along with the positive and negative of leading screw 3 on leading screw 3, thus drive telescopic pipe 5 to move, telescopic pipe 5 promotes or pulls the unlatching of cabinet door with closed, and it is convenient to install, and uses reliable.Owing to adopting the cooperation transmission of the leading screw 3 of nut 4, precisely can realize on off control, ensure the accuracy that cabinet door is opened.
In the present embodiment, motor 2 is planetary reducing motor, and leading screw 3 is trapezoidal screw, and guide pipe 1 adopts metallic aluminium to make, and nut 4 adopts metallic copper to make, and leading screw 3 adopts stainless steel to make; The power run up is reached the object of deceleration by planetary reducing motor by the gearwheel on the few gears meshing output shaft of the number of teeth on the input shaft of speed reducer, thus ensure the mild and stable of cabinet door opening and closing, prevent cabinet door inertia excessive and impact or rebound; The low cost of manufacture of trapezoidal screw, and can coordinate with nut 4 is stable, realize telescopic pipe 5 stable mobile.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ 1 herein, guide pipe; 2, motor; 3, leading screw; 4, nut; 5, telescopic pipe; 6, mounting hole one; 7, mounting hole two; 8, through hole; 9, opening; 10, front cover; 11, the term such as rear plug, but do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (6)
1. a Linear actuator, comprise the guide pipe (1) of hollow, it is characterized in that, motor (2) and leading screw (3) is provided with in described guide pipe (1), the length direction of described leading screw (3) and the axial consistent of described guide pipe (1), described leading screw (3) is connected with the output shaft of described motor (2) and described motor (2) can drive described leading screw (3) to rotate, described leading screw (3) is bolted with nut (4), described nut (4) is fixed with the telescopic pipe (5) of hollow, described telescopic pipe (5) is set in that described leading screw (3) is upper and described telescopic pipe (5) can stretch out described guide pipe (1).
2. Linear actuator according to claim 1, it is characterized in that, one end of described telescopic pipe (5) is free end, the other end is connecting end, described connecting end and described nut (4) are connected, and described free end offer along the radial mounting hole one (6) of described telescopic pipe (5).
3. Linear actuator according to claim 1 and 2, it is characterized in that, the two ends of described guide pipe (1) all have opening (9), the front end of described guide pipe (1) is provided with front cover (10), the rear end of described guide pipe (1) is provided with rear plug (11), described front cover (10) offers the through hole (8) that described telescopic pipe (5) can pass, the rear end of described guide pipe (1) offers along the radial mounting hole two (7) of guide pipe (1).
4. Linear actuator according to claim 1 and 2, is characterized in that, described motor (2) is planetary reducing motor.
5. Linear actuator according to claim 1 and 2, is characterized in that, described leading screw (3) is trapezoidal screw.
6. Linear actuator according to claim 1 and 2, is characterized in that, described guide pipe (1) adopts metallic aluminium to make, and described nut (4) adopts metallic copper to make, and described leading screw (3) adopts stainless steel to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520708958.6U CN204942438U (en) | 2015-09-14 | 2015-09-14 | A kind of Linear actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520708958.6U CN204942438U (en) | 2015-09-14 | 2015-09-14 | A kind of Linear actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204942438U true CN204942438U (en) | 2016-01-06 |
Family
ID=55009871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520708958.6U Expired - Fee Related CN204942438U (en) | 2015-09-14 | 2015-09-14 | A kind of Linear actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204942438U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108903455A (en) * | 2018-08-07 | 2018-11-30 | 深圳市么么科技有限公司 | A kind of adjustable Linear actuator of electric furniture |
-
2015
- 2015-09-14 CN CN201520708958.6U patent/CN204942438U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108903455A (en) * | 2018-08-07 | 2018-11-30 | 深圳市么么科技有限公司 | A kind of adjustable Linear actuator of electric furniture |
| WO2020029331A1 (en) * | 2018-08-07 | 2020-02-13 | 深圳市一么么科技有限公司 | Adjustable linear driver for electric furniture |
| CN108903455B (en) * | 2018-08-07 | 2023-09-22 | 深圳市一么么科技有限公司 | Adjustable linear driver for electric furniture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160106 Termination date: 20170914 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |