CN113162312A - Portable linear actuator - Google Patents

Portable linear actuator Download PDF

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Publication number
CN113162312A
CN113162312A CN202110307471.7A CN202110307471A CN113162312A CN 113162312 A CN113162312 A CN 113162312A CN 202110307471 A CN202110307471 A CN 202110307471A CN 113162312 A CN113162312 A CN 113162312A
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CN
China
Prior art keywords
fixed
linear actuator
battery
circuit board
portable linear
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Granted
Application number
CN202110307471.7A
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Chinese (zh)
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CN113162312B (en
Inventor
刘成波
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Zhejiang Jiecang Linear Motion Technology Co Ltd
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Zhejiang Jiecang Linear Motion Technology Co Ltd
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Priority to CN202110307471.7A priority Critical patent/CN113162312B/en
Publication of CN113162312A publication Critical patent/CN113162312A/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/06Means for converting reciprocating motion into rotary motion or vice versa
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

The invention discloses a portable linear actuator, belonging to the technical field of linear actuation, comprising a sleeve and a power system, wherein the sleeve is sleeved with the power system, the sleeve comprises a fixed pipe and a telescopic pipe sleeved in the fixed pipe, the power system comprises a battery and an electric push rod, the electric push rod comprises a motor component, a guide sleeve and a push rod, the motor component and the guide sleeve are fixed relative to the fixed pipe, the push rod drives the telescopic pipe to synchronously extend and retract under the drive of the motor component, the battery is electrically connected with the motor component, a top mounting plate is arranged above the telescopic pipe, the upper end of the push rod is provided with a plug, and the top mounting plate is fixedly connected with the plug. The weight is lighter, convenient to carry, and the service position no longer receives the restriction of external power supply position, uses more portablely, and application scope is wider.

Description

Portable linear actuator
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of linear actuation, in particular to a portable linear actuator.
[ background of the invention ]
The linear actuator is widely applied to various fields at present, including medical equipment, home office, solar power generation and the like, common linear actuators include electric push rods, lifting columns and the like, the structure of the linear actuator generally comprises a sleeve and the electric push rods, the electric push rods comprise motors, speed reduction worm gears, screw rods which rotate under the driving of the motors, nuts which are sleeved on the screw rods and axially move along with the rotation of the screw rods, and push rods which are connected to the nuts and stretch along with the movement of the nuts, the push rods move to drive the sleeve to stretch, the sleeve comprises a fixed end and a movable end, and the movable end is connected with a driving object, so that the driving purpose is realized.
The conventional linear actuator needs to be powered by a special external power supply or a special external controller, so that the linear actuator is limited in use range, large in size, single in function, inconvenient to carry and incapable of realizing remote control operation.
[ summary of the invention ]
It is an object of the present invention to provide a portable linear actuator to at least partially solve the above technical problem.
In order to solve the technical problems, the invention adopts the following technical scheme:
the portable linear actuator comprises a sleeved sleeve and a power system arranged in the sleeve, wherein the sleeve comprises a fixed pipe and a telescopic pipe sleeved in the fixed pipe, the power system comprises a battery and an electric push rod, the electric push rod comprises a motor component, a guide sleeve and a push rod, the motor component and the guide sleeve are fixed relative to the fixed pipe, the push rod drives the telescopic pipe to synchronously extend and retract under the driving of the motor component, the battery is electrically connected with the motor component, a top mounting plate is arranged above the telescopic pipe, a plug is arranged at the upper end of the push rod, and the top mounting plate is fixedly connected with the plug.
The beneficial effect of this scheme of adoption:
based on the problem that the portable linear actuator in the prior art is limited in use due to the fact that an external power supply device is used, the portable linear actuator is powered by a battery with a small size, the battery and the electric push rod are directly arranged in the sleeve and move along with the whole portable linear actuator, so that the electric push rod can be powered at any time and any place to work normally, power supply of the portable linear actuator is achieved, the integration level is high, the weight is light, the portable linear actuator is convenient to carry, the use position of the portable linear actuator is not limited by the position of the external power supply, the portable linear actuator is more portable in use, and the application range is wider. The top mounting plate is fixedly connected with the plug, the push rod and the telescopic pipe are fixed, the push rod and the telescopic pipe can stretch synchronously, and meanwhile the top mounting plate is connected with an external driving object.
Preferably, the battery is fixed to the electric push rod.
Preferably, the portable linear actuator further comprises a battery holder, the battery being fixed on the guide sleeve by the battery holder.
Preferably, a fixed bracket is arranged between the fixed pipe and the telescopic pipe.
Preferably, the fixed bottom of the pipe portion is equipped with the bottom mounting panel, motor element includes motor and reduction gear, reduction gear fixes at the bottom mounting panel, the bottom and the bottom mounting panel fixed connection of fixed bolster.
Preferably, the bottom mounting plate is provided with a circuit board, and the circuit board is fixedly connected with the bottom mounting plate through a circuit board support.
Preferably, the circuit board is provided with a first through hole, the circuit board support is provided with a second through hole, the lower end of the reduction gear box sequentially penetrates through the first through hole and the second through hole and then is fixed on the mounting plate, the battery is electrically connected with the circuit board, and the circuit board is electrically connected with the motor.
Preferably, the upper end of the fixed pipe is provided with an upper end cover, the inner periphery of the upper end cover is in clearance fit with the outer wall of the telescopic pipe, and the top end of the fixed support is fixedly connected with the upper end cover; or the lower end of the telescopic pipe is provided with a lower end cover, and the periphery of the lower end cover is in clearance fit with the inner wall of the fixed pipe.
Preferably, the fixing bracket comprises a first bracket and a second bracket which are distributed along the circumferential direction of the fixing pipe.
Preferably, the portable linear actuator further comprises a control panel for controlling extension and retraction, the control panel is fixed on the first support and is electrically connected with the circuit board, and the lifting control panel is provided with a touch switch, an indicator light and a remote signal receiver; or, the portable linear actuator further comprises a PCB board, the PCB board is fixed on the second bracket and electrically connected with the circuit board, and the PCB board is provided with a power switch; or, the battery comprises a rechargeable lithium battery, and a USB charging socket is arranged on the PCB.
These features and advantages of the invention will be disclosed in more detail in the following detailed description and the accompanying drawings.
[ description of the drawings ]
The invention is further described with reference to the accompanying drawings in which:
fig. 1 is a perspective view of a portable linear actuator according to the present invention.
Fig. 2 is an exploded view of the portable linear actuator of the present invention.
Fig. 3 is a cross-sectional view of the portable linear actuator of the present invention.
Fig. 4 is a perspective view of the portable linear actuator of the present invention with the stationary tube removed.
Reference numerals: a fixed tube 1; a telescopic pipe 2; a battery 3; an electric push rod 4; a motor assembly 401; a motor 401 a; a reduction gear box 401 b; a guide sleeve 402; a push rod 403; a battery holder 5; a bottom mounting plate 6; a circuit board 7; a first through hole 701; a circuit board support 8; a second through hole 801; an upper end cover 9; a lower end cap 10; a first bracket 11 a; two brackets 11 b; a control panel 12; a PCB board 13; a charging jack 14; a power switch 15; a tact switch 16; an indicator light 17; a top mounting plate 18; and a plug 19.
[ detailed description ] embodiments
The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the description of a first feature "on" or "under" a second feature may include the first and second features being in direct contact, or the first and second features being in contact, not directly, but via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Example (b):
as shown in fig. 1 to 4, the portable linear actuator includes a sleeved sleeve and a power system arranged in the sleeve, the sleeve includes a fixed pipe 1 and a telescopic pipe 2 sleeved in the fixed pipe 1, the power system includes a battery 3 and an electric push rod 4, the electric push rod 4 includes a motor assembly 401, a guide sleeve 402 and a push rod 403, the motor assembly 401 and the guide sleeve 402 are fixed relative to the fixed pipe 1, the push rod 403 drives the telescopic pipe 2 to synchronously extend and retract under the driving of the motor assembly 401, the battery 3 is electrically connected with the motor assembly 401, a top mounting plate 18 is arranged above the telescopic pipe 2, the top mounting plate 18 is fixed on the telescopic pipe 2 through a threaded fastener such as a self-tapping screw, a plug 19 is arranged at the upper end of the push rod 403, and the top mounting plate 18 is fixedly connected with the plug 19 through a threaded fastener.
Based on the problem that the portable linear actuator in the prior art is limited in use due to the fact that an external power supply device is used, the portable linear actuator is powered by a battery 3 with a small size, the battery 3 and an electric push rod 4 are directly arranged in a sleeve, and the electric push rod 4 is powered at any time and any place to enable the portable linear actuator to work normally. The top mounting plate 18 is fixedly connected with the plug 19, preferably by a threaded fastener, so that the push rod 403 and the telescopic tube 2 are fixed, the push rod 403 and the telescopic tube 2 are synchronously stretched, and the top mounting plate 18 is connected with an external driving object.
In the process of extending and retracting the telescopic tube 2, because the guide sleeve 402 and the battery 3 are longer, at least part of the guide sleeve can be positioned in the telescopic tube 2, in order to improve the compactness of a power system and not influence the normal extension and retraction of the telescopic tube, as shown in fig. 2, the battery 3 is fixed on the electric push rod 4 in the invention, specifically, the portable linear actuator also comprises a battery fixing frame 5, the battery 3 is fixed on the guide sleeve 402 through the battery fixing frame 5, in the actual use process, the fixed tube 1, the motor component 401 and the guide sleeve 402 are fixed relative to the ground, the battery 3 has heavier mass and has certain danger in collision, so the battery 3 is fixed on the guide sleeve 402 and does not move along with the push rod 403, the stability and the safety of the whole device are improved in the operation process, and the energy consumption is reduced.
As shown in fig. 2 to 4, a bottom mounting plate 6 is arranged at the bottom of the fixing tube 1, the motor assembly 401 includes a motor 401a and a reduction gear box 401b, in order to realize the installation of the electric push rod 4, the reduction gear box 401b is fixed on the bottom mounting plate 6, the reduction gear box 401b is fixed on the upper side of the bottom mounting plate 6, the battery 3, the motor 401a, the fixing tube 1 and the push rod 403 are all located above the reduction gear box 401b and located in a cavity defined by the sleeve and the bottom mounting plate 6, and the bottom mounting plate 6 is connected with external firmware, such as the ground, a fixing base and the like.
A circuit board 7 is arranged above the bottom mounting plate 6, and the circuit board 7 is fixedly connected with the bottom mounting plate 6 through a circuit board support 8.
As shown in fig. 2, a first through hole 701 is formed in the circuit board 7, a second through hole 801 is formed in the circuit board support 8, the lower end of the reduction gear box 401b sequentially penetrates through the first through hole 701 and the second through hole 801 and then is fixed on the mounting plate, the battery 3 is electrically connected with the circuit board 7, and the circuit board 7 is electrically connected with the motor 401 a.
In order to enable the telescopic pipe 2 to operate smoothly, a certain gap is formed between the telescopic pipe 2 and the fixed pipe 1, so that when the portable linear actuator operates, hands or articles can be clamped at the upper end of the telescopic pipe 2, and in order to improve the safety during operation, as shown in fig. 2-4, the upper end of the fixed pipe 1 is provided with an upper end cover 9, the inner periphery of the upper end cover 9 is in clearance fit with the outer wall of the telescopic pipe 2, an anti-pinch effect is achieved through the upper end cover 9, meanwhile, the lower end of the telescopic pipe 2 is provided with a lower end cover 10, the outer periphery of the lower end cover 10 is in clearance fit with the inner wall of the fixed pipe 1, the radial limiting of the telescopic pipe 2 is achieved through the upper end cover 9 and the lower end cover 10, the telescopic pipe 2 is prevented from swinging in the telescopic process, and the stability during operation of the portable linear actuator is improved.
In this embodiment, the upper end cover 9 is connected with the bottom mounting plate 6 through the fixing bracket, the fixing bracket is located between the fixing tube 1 and the extension tube 2, as shown in fig. 2-4, the top end of the fixing bracket is fixedly connected with the upper end cover 9 through a fastener, the bottom end of the fixing bracket is fixedly connected with the bottom mounting plate 6 through a fastener, the fixing connection between the upper end cover 9 and the bottom mounting plate 6 is realized through the fixing bracket, the stability of the upper end cover 9 and the bottom mounting plate 6 after assembly is enhanced, the stability of the portable linear actuator during operation is further improved, meanwhile, the upper part and the lower part of the fixing tube 1 are limited, the strength of the fixing tube 1 is enhanced, and the compression resistance and the bending resistance of the portable linear actuator are improved.
In order to further improve the balance and stability during operation, as shown in fig. 2 to 4, the fixing bracket includes a first bracket 11a and a second bracket 11b, and the first bracket 11a and the second bracket 11b are uniformly distributed along the circumference of the fixing tube 1.
First support 11a is fixed to be equipped with the flexible control panel 12 of control, fixedly on the second support 11b being equipped with PCB board 13, because control panel 12 and PCB board 13 are located 4 both sides of electric putter respectively, and linear stopper compact structure, and the inner space is limited, connects inconveniently, consequently control panel 12 passes through circuit board 7 electricity with PCB board 13 wire and is connected, and lithium cell 3 is located PCB board 13 one side in this embodiment, is connected with PCB board 13 electricity.
The battery 3 in this embodiment is preferably a rechargeable lithium battery 3, as shown in fig. 2 and 3, the PCB 13 is provided with a USB charging socket 14 and a power switch 15, the USB charging socket 14 charges the rechargeable lithium battery 3, the power switch 15 controls the power on/off, and when the portable linear actuator ascends or descends to a certain position, the power can be disconnected through the power switch 15, so as to prevent the portable linear actuator from unnecessarily extending due to misoperation.
In order to improve the functionality of the portable linear actuator, as shown in fig. 3 and 4, a touch switch 16 and a remote signal receiver are arranged on the control panel 12, the touch switch 16 controls the portable linear actuator to extend and retract at a short distance, and the remote signal receiver realizes remote control of the extension and retraction of the portable linear actuator by receiving a remote signal.
The control panel 12 is further provided with an indicator light 17 for indicating the electric quantity of the rechargeable lithium battery 3, specifically, when the electric quantity of the lithium battery 3 is low, the lithium battery 3 can be charged by using the USB charging socket 14, and at the moment, the indicator light 17 can display red; when the lithium battery 3 is charged, the indicator light 17 displays green and stops charging.
Corresponding punched holes are formed in the positions, corresponding to the USB charging socket 14, the power switch 15, the touch switch 16 and the indicator lamp 17, of the fixing support and the fixing tube 1, so that the circuit components can be conveniently installed.
In order to further improve the functionality of the portable linear actuator, the circuit board 7 may further be provided with an LED lamp for illumination or manufacturing a light effect, and corresponding punched holes are also formed at positions corresponding to the circuit board bracket 8 and the bottom mounting plate 6, so as to facilitate the mounting of the lamp.
Of course, the portable linear actuator may be customized according to the needs of the customer, such as adding sound effects.
When the upper end cover 9, the bottom mounting plate 6 and the fixed support fixing tube 1 are connected by the fixing support, the control panel 12 and the PCB 13 are fixed, so that the integrated multifunctional integrated support is multipurpose, the mounting space is saved, and the integration level is improved.
While the foregoing is directed to embodiments of the present invention, the scope of the invention should not be limited thereby, and it will be apparent to those skilled in the art that the invention includes, but is not limited to, those illustrated in the drawings and described in the foregoing detailed description. Any modification which does not depart from the functional and structural principles of the invention is intended to be included within the scope of the claims.

Claims (10)

1. Portable linear actuator, including the sleeve pipe that cup joints with establish power system in the sleeve pipe, the sleeve pipe is including fixed pipe and the flexible pipe of cup jointing in fixed pipe, its characterized in that, power system includes battery and electric putter, electric putter includes motor element, guide pin bushing and push rod, motor element and guide pin bushing are relative fixed pipe is fixed, the push rod is in the motor element drives down flexible pipe synchronous telescope, the battery with the motor element electricity is connected, flexible pipe top is equipped with the top mounting panel, the push rod upper end is equipped with the end cap, the top mounting panel with end cap fixed connection.
2. The portable linear actuator of claim 1, wherein the battery is secured to the power pushrod.
3. The portable linear actuator of claim 2, further comprising a battery mount, the battery being secured to the guide sleeve by the battery mount.
4. The portable linear actuator of claim 1, wherein a fixed bracket is provided between the fixed tube and the telescoping tube.
5. The portable linear actuator of claim 4, wherein the bottom of the stationary tube is provided with a bottom mounting plate, the motor assembly comprises a motor and a reduction gearbox, the reduction gearbox is fixed to the bottom mounting plate, and the bottom end of the stationary bracket is fixedly connected to the bottom mounting plate.
6. The portable linear actuator of claim 5, wherein the bottom mounting plate has a circuit board thereon, the circuit board being fixedly connected to the bottom mounting plate by a circuit board bracket.
7. The portable linear actuator according to claim 6, wherein a first through hole is formed in the circuit board, a second through hole is formed in the circuit board support, the lower end of the reduction gear box is fixed to the mounting plate after passing through the first through hole and the second through hole in sequence, the battery is electrically connected to the circuit board, and the circuit board is electrically connected to the motor.
8. The portable linear actuator according to claim 4, wherein the upper end of the fixed tube is provided with an upper end cover, the inner periphery of the upper end cover is in clearance fit with the outer wall of the telescopic tube, and the top end of the fixed bracket is fixedly connected with the upper end cover; or the lower end of the telescopic pipe is provided with a lower end cover, and the periphery of the lower end cover is in clearance fit with the inner wall of the fixed pipe.
9. The portable linear actuator of claim 4, wherein the fixed support comprises a first support and a second support circumferentially distributed along the fixed tube.
10. The portable linear actuator of claim 9, further comprising a control board for controlling the extension and retraction, the control board being fixed to the first bracket and electrically connected to the circuit board, the elevation control board being provided with a tact switch, an indicator light, and a remote signal receiver; or, the portable linear actuator further comprises a PCB board, the PCB board is fixed on the second bracket and electrically connected with the circuit board, and the PCB board is provided with a power switch; or, the battery comprises a rechargeable lithium battery, and a USB charging socket is arranged on the PCB.
CN202110307471.7A 2021-03-23 2021-03-23 Portable linear actuator Active CN113162312B (en)

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CN202110307471.7A CN113162312B (en) 2021-03-23 2021-03-23 Portable linear actuator

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CN113162312B CN113162312B (en) 2023-07-25

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CN215646504U (en) * 2021-03-23 2022-01-25 浙江捷昌线性驱动科技股份有限公司 Linear actuator

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