CN109510429A - A kind of linear actuators - Google Patents
A kind of linear actuators Download PDFInfo
- Publication number
- CN109510429A CN109510429A CN201811262433.9A CN201811262433A CN109510429A CN 109510429 A CN109510429 A CN 109510429A CN 201811262433 A CN201811262433 A CN 201811262433A CN 109510429 A CN109510429 A CN 109510429A
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- China
- Prior art keywords
- controller
- telescoping tube
- motor
- connecting plate
- connector
- Prior art date
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- 230000005611 electricity Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004925 denaturation Methods 0.000 description 1
- 230000036425 denaturation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electromagnetism (AREA)
- Transmission Devices (AREA)
- Linear Motors (AREA)
Abstract
The invention discloses a kind of linear actuators, including telescoping tube, the flexible motor of the controller and driving telescoping tube being installed on the outside of telescoping tube, controller is inserted on motor, the position limiting structure for preventing controller from moving along the telescopic direction of telescoping tube is connected between motor and controller, the glide direction guide rail parallel with the telescopic direction of telescoping tube is provided on controller, connector is slidably fitted on telescoping tube, connector and guide rail are slidably matched to prevent controller to be detached from motor, the present invention passes through the position limiting structure connected between motor and controller and controller is effectively prevent to move along the telescopic direction of telescoping tube, cooperation between connector and guide rail effectively prevent the controller being inserted on motor to separate with motor, realize the fixation of controller in a vertical and horizontal direction, it is fixed without structures such as screws, the more convenient letter of installing and dismounting It is single, installation and maintenance time are saved, assembly efficiency is improved.
Description
Technical field
The invention belongs to Linear transmission technical fields, and in particular to a kind of linear actuators.
Background technique
Currently, linear actuators is also known as push rod, it is widely used in the apparatus fields such as household, medical treatment comprising controller,
The motor that telescoping tube and driving telescoping tube stretch, since controller pushes object shifting by flexible realize of motor control telescoping tube
It is dynamic, to guarantee compact overall structure, generally controller is installed to the outer tube of telescoping tube in the prior art, meanwhile, to improve
The connection reliability of controller and telescoping tube, telescoping tube outside are equipped with the fixing clamp of clamp control, and fixing clamp surrounds telescoping tube
Outer tube, so that fixing clamp clamp control when controller is resisted against the outer tube of telescoping tube, avoids length of the controller along telescoping tube
Direction sliding is spent, but fixing clamp usually realizes fixation in a manner of screw to beat, dismounting is needed by other auxiliary tools, due to controlling
Device processed is installed on a bottom, and the operation of auxiliary tool is easy limited, dismounting inconvenience, in addition, if not direct by auxiliary tool
It breaks into two with one's hands, operates time-consuming and laborious manually.
Summary of the invention
The technical problem to be solved by the invention is to provide a kind of linear actuators for being easily installed disassembly.
In order to solve the above technical problems, the present invention adopts the following technical scheme: a kind of linear actuators, including telescoping tube,
The flexible motor of the controller and driving telescoping tube being installed on the outside of telescoping tube, controller are inserted on motor, motor and control
It is connected with the position limiting structure for preventing controller from moving along the telescopic direction of telescoping tube between device, is provided with glide direction on controller
The guide rail parallel with the telescopic direction of telescoping tube, is slidably fitted with connector on telescoping tube, connector and guide rail be slidably matched with
Controller is prevented to be detached from motor.
Further, connector includes the sliding panel being slidably connected on telescoping tube and the connection that is connected with sliding panel
Plate, connecting plate are slidably connected with guide rail.
Further, connecting plate includes the first connecting plate and the second connecting plate being connected respectively with the both ends of sliding panel, also
Including the limited block being located on the first connecting plate and the second connecting plate.
Further, guide rail protrude from controller setting, guide rail include with the first connecting plate cooperation the first track and
With the second track of the second connecting plate cooperation, it is provided on opposite side wall on the first track and the second track and matches with limited block
The limiting slot of conjunction.
Further, location hole is provided on the first connecting plate, flexible pressure is arranged far from one end of motor in the first track
Piece is provided with the positioning column with location hole cooperation on elastic pressuring plate.
Further, sliding panel is elastic plate, and the spacing between the first track and the second track is by one end far from motor
It is gradually reduced to one end close to motor.
Further, the side of sliding panel towards telescoping tube is provided with multiple convex ribs.
Further, convex ribs are parallel with the telescopic direction of telescoping tube.
Further, sliding panel includes clamping plate and is connected to flexible board of the clamping plate towards telescoping tube side, multiple convex
Muscle and flexible board are wholely set.
Further, it is provided with slot on motor, the inserted block with slot grafting is provided on controller, slot includes direction
The socket that motor bottom is inserted into for inserted block and the sliding mouth that the side towards controller is slided for inserted block, position limiting structure include setting
The first limit plate and the second limit plate on inserted block, the first limit plate and the second limit plate at sliding mouth offset.
Compared with prior art, the beneficial effects of the present invention are:
1, when installing, first controller is inserted on motor, cartridge insertion direction is vertical with the telescopic direction of telescoping tube, motor and
The position limiting structure connected between controller effectively prevent controller to move along the telescopic direction of telescoping tube, then will be sliding on telescoping tube
Dynamic connector is slided into be cooperated with guide rail, and the cooperation between connector and guide rail effectively prevent the controller being inserted on motor
It is separated with motor, realizes the fixation of controller in a vertical and horizontal direction, be fixed without structures such as screws, installing and dismounting
It is more convenient simple, installation and maintenance time are saved, assembly efficiency is improved.
2, connector includes the sliding panel being slidably connected on telescoping tube and the connecting plate that is connected with sliding panel, connecting plate
It is slidably connected with guide rail, connector slides connector on telescoping tube and guide rail simultaneously by connecting plate and sliding panel
It is dynamic, it is easily installed and dismantles,
3, connecting plate includes the first connecting plate and the second connecting plate being connected respectively with the both ends of sliding panel, further includes being located at
Limited block on first connecting plate and the second connecting plate has connector and is stretched between the first connecting plate and the second connecting plate
The gap that pipe is installed or removed, so that being dismountable structure between connector and telescoping tube, convenient for the replacement of connector
And maintenance, reduce the maintenance cost of linear actuators.
4, when connector and guide rail cooperate, the first connecting plate and the second connecting plate are respectively positioned on the first track and the second track
Between, and limited block is embedded in limiting slot respectively so that connector can only be slided along guide rail, realize connector and guide rail it
Between limit, prevent the separation of controller and telescoping tube in the axial direction of motor output shaft.
5, when connector slides, the side of positioning column and the first connecting plate offsets, when the location hole of connector is to certainly
Position column position when, positioning column elastic pressuring plate elastic force effect under be inserted into location hole in, prevent connector on guide rail after
The positioning of guide rail and connector in glide direction is realized in continuous sliding.
6, the spacing between the first track and the second track gradually subtracts from one end far from motor to one end close to motor
It is small, when connector is inserted into far from one end of motor to close to the sliding of one end of motor from guide rail, the first track and the second track
Between spacing diminution so that the spacing between the first connecting plate and the second connecting plate reduces, formed between connector and guide rail
It is full of cooperation, while the first connecting plate and the second connecting plate drive sliding panel to squeeze the outer wall of telescoping tube, increases sliding panel and flexible
Frictional force between pipe prevents sliding panel from continuing to slide on telescoping tube, realizes the limit of guide rail and connector in glide direction
Position.
7, convex ribs reduce the contact area between sliding panel and telescoping tube, reduce connector in sliding for flexible
The abrasion of pipe extends the service life of telescoping tube and connector, while when sliding panel squeezes telescoping tube, convex ribs to connect
Part is more preferable for the squeezing effect of telescoping tube, i.e., convex ribs make the locating effect of connector more preferable.
8, by setting rubber for the material of convex ribs, using rubber flexible mutability the characteristics of so that sliding panel squeeze
When the pressure stretch draw, sliding panel is bonded more preferably with all directions of telescoping tube, while rubber increases rubbing between convex ribs and telescoping tube
It wipes, it is more preferable for the locating effect between connector and telescoping tube.
9, when needing for controller to be installed on motor, first inserted block is inserted into slot by socket, then along slot
It is slided, until the end of sliding block and inserted block offsets, when inserted block slides in slot, the first limit plate is always to the second limit plate
Limit is formed, i.e. slot forms inserted block limit always, so that inserted block can only slide in slot, prevents inserted block along telescoping tube
Telescopic direction is mobile.Structure is simple, is easily installed disassembly.
Compared with prior art, the present invention effectively prevent controller by the position limiting structure connected between motor and controller
Telescopic direction along telescoping tube moves, and the cooperation between connector and guide rail effectively prevent the controller being inserted on motor and electricity
Machine separation is realized the fixation of controller in a vertical and horizontal direction, is fixed without structures such as screws, installing and dismounting is more
It is convenient and simple, installation and maintenance time are saved, assembly efficiency is improved.
Detailed description of the invention
Present invention will be further described below with reference to the accompanying drawings and specific embodiments:
Fig. 1 is a kind of schematic diagram of linear actuators of the present invention；
Fig. 2 is the schematic diagram of controller；
Fig. 3 is the portion the A enlarged drawing of Fig. 2；
Fig. 4 is the schematic diagram of motor and telescoping tube；
Fig. 5 is the perspective view of connector；
Fig. 6 is the side view of connector.
Wherein: 1, telescoping tube；2, controller；21, inserted block；22, the second limit plate；3, motor；31, slot；32, the first limit
Position plate；4, guide rail；41, the first track；411, elastic pressuring plate；412, positioning column；42, the second track；43, limiting slot；5, it connects
Part；51, sliding panel；511, convex ribs；52, the first connecting plate；521, location hole；53, the second connecting plate；54, limited block.
Specific embodiment
A kind of embodiment of linear actuators of the present invention is described further referring to figs. 1 to Fig. 6.
Embodiment one:
A kind of linear actuators including telescoping tube 1, is installed on the controller 2 in 1 outside of telescoping tube and telescoping tube 1 is driven to stretch
The motor 3 of contracting, motor 3 are mounted on one end of telescoping tube 1, and the output shaft of motor 3 is vertical with the telescopic direction of telescoping tube 1, control
Device 2 is inserted on motor 3, and being connected between motor 3 and controller 2 prevents the controller 2 from moving along the telescopic direction of telescoping tube 1
Position limiting structure is provided with the glide direction guide rail 4 parallel with the telescopic direction of telescoping tube 1 on controller 2, slides on telescoping tube 1
Connector 5 is installed, connector 5 and guide rail 4 are slidably matched to prevent controller 2 to be detached from motor 3.
When installation, first controller 2 is inserted onto motor 3, cartridge insertion direction is vertical with the telescopic direction of telescoping tube 1, motor 3
The position limiting structure connected between controller 2 effectively prevent controller 2 to move along the telescopic direction of telescoping tube 1, then will stretch
The connector 5 slided on pipe 1 is slided into be cooperated with guide rail 4, and the cooperation between connector 5 and guide rail 4 effectively prevent being inserted into electricity
Controller 2 on machine 3 is separated with motor 3, the fixation of controller 2 in a vertical and horizontal direction is realized, without structures such as screws
It is fixed, installing and dismounting is more convenient simple, saves installation and maintenance time, improves assembly efficiency.
In the present embodiment, connector 5 includes the sliding panel 51 being slidably connected on telescoping tube 1 and is connected with sliding panel 51
Connecting plate, connecting plate is slidably connected with guide rail 4, connector 5 by connecting plate and sliding panel 51 allow connector 5 simultaneously
Slided on telescoping tube 1 and guide rail 4, be easily installed and dismantle, in the present embodiment preferably, connecting plate include respectively with sliding
The both ends of plate 51 connected the first connecting plate 52 and the second connecting plate 53 further include being located at the first connecting plate 52 and the second connecting plate
Limited block 54 on 53, have between the first connecting plate 52 and the second connecting plate 53 by connector 5 and telescoping tube 1 carry out installation or
The gap of disassembly, so that being dismountable structure between connector 5 and telescoping tube 1, convenient for the replacement and maintenance of connector 5, drop
The maintenance cost of low linear actuators.
In the present embodiment, guide rail 4 protrudes from the setting of controller 2, and guide rail 4 includes the first rail with the cooperation of the first connecting plate 52
Road 41 and the second track 42 with the cooperation of the second connecting plate 53, on the first track 41 and the second track 42 on opposite side wall
It is provided with the limiting slot 43 cooperated with limited block 54, when connector 5 and the cooperation of guide rail 4, the first connecting plate 52 and the second connection
Plate 53 is respectively positioned between the first track 41 and the second track 42, and limited block 54 is embedded in limiting slot 43 respectively, so that connector 5
It can only be slided along guide rail 4, realize the limit between connector 5 and guide rail 4, prevent controller 2 and telescoping tube 1 along motor 3
Separation in the axial direction of output shaft.
In the present embodiment, location hole 521 is provided on the first connecting plate 52, the first track 41 is set far from one end of motor 3
Be equipped with elastic pressuring plate 411, one end of elastic pressuring plate 411 is connected with the first track 41, elastic pressuring plate 411 not with 41 phase of the first track
End even is provided with the positioning column 412 cooperated with location hole 521, and when connector 5 slides, positioning column 412 is connect with first
The side of plate 52 offsets, and when the location hole 521 of connector 5 is directed at the position of positioning column 412, positioning column 412 is in elastic pressuring plate
In the lower insertion location hole 521 of 411 elastic force effect, prevents connector 5 from continuing to slide on guide rail 4, realize guide rail 4 and connection
Positioning of the part 5 in glide direction.
Sliding panel 51 in the present embodiment is elastic plate, and the spacing between the first track 41 and the second track 42 is by far from electricity
One end of machine 3 is gradually reduced to one end close to motor 3, and connector 5 is inserted into far from one end of motor 3 to close from guide rail 4
When one end sliding of motor 3, the diminution of spacing is so that the first connecting plate 52 and second between the first track 41 and the second track 42
Spacing between connecting plate 53 reduces, and interference fit, while the first connecting plate 52 and second are formed between connector 5 and guide rail 4
Connecting plate 53 drives sliding panel 51 to squeeze the outer wall of telescoping tube 1, increases the frictional force between sliding panel 51 and telescoping tube 1, prevents
The continuation of sliding panel 51 is slided on telescoping tube 1, realizes the limit of guide rail 4 and connector 5 in glide direction.
In the present embodiment, the side of sliding panel 51 towards telescoping tube 1 is provided with multiple convex ribs 511, and convex ribs 511 reduce cunning
Contact area between movable plate 51 and telescoping tube 1 reduces abrasion of the connector 5 in sliding for telescoping tube 1, extends and stretch
The service life of the draw 1 and connector 5, while when sliding panel 51 squeezes telescoping tube 1, convex ribs 511 make connector 5 for stretching
The squeezing effect of the draw 1 is more preferable, i.e., convex ribs 511 make the locating effect of connector 5 more preferable, and convex ribs 511 can be various shapes,
Strip is preferably in the present embodiment, and convex ribs 511 are parallel with the telescopic direction of telescoping tube 1, easily facilitate convex ribs 511 for
The positioning of connector 5, in the present embodiment, convex ribs 511 and sliding panel 51 are integrated setting, and convenient for raw factory's processing, reduction is produced into
This.
In the present embodiment, it is provided with slot 31 on motor 3, the inserted block 21 with 31 grafting of slot is provided on controller 2, inserts
Slot 31 includes the socket being inserted into towards 3 bottom of motor for inserted block 21 and the cunning slided towards the side of controller 2 for inserted block 21
It opens one's mouth, position limiting structure includes being set to the first limit plate 32 at sliding mouth and the second limit plate 22 on inserted block 21, and first
Limit plate 32 and the second limit plate 22 offset, and when needing for controller 2 to be installed on motor 3, inserted block 21 is first passed through socket
It is inserted into slot 31, is then slided along slot 31, until the end of sliding block and inserted block 21 offsets, inserted block 21 is sliding in slot 31
When dynamic, the first limit plate 32 forms the second limit plate 22 limit always, i.e., slot 31 forms inserted block 21 limit always, so that
Inserted block 21 can only slide in slot 31, prevent inserted block 21 from moving along the telescopic direction of telescoping tube 1.Structure is simple, is easily installed
Disassembly.
Embodiment two:
The present embodiment and embodiment one the difference is that, guide rail 4 be groove embedded in 2 upper rail 4 of controller include with
First track 41 of the first connecting plate 52 cooperation and the second track 42 with the cooperation of the second connecting plate 53, opposite two of groove
Side wall is respectively that the first track 41 and the second track 42 are prevented by the structure being arranged to guide rail 4 inside controller 2
Guide rail 4 falls off from controller 2, and fixed effect is more preferable.
Embodiment three:
The present embodiment and embodiment one the difference is that, slot 31 is provided on controller 2, is provided on motor 3
With the inserted block 21 of 31 grafting of slot, slot 31 includes the socket being inserted into towards 2 bottom of controller for inserted block 21 and towards motor 3
The sliding mouth that is slided for inserted block 21 of side, position limiting structure includes the first limit plate 32 at sliding mouth and is set to inserted block 21
On the second limit plate 22, the first limit plate 32 and the second limit plate 22 offset.
Embodiment three:
The present embodiment and embodiment one the difference is that, in the present embodiment, sliding panel includes clamping plate and being connected to
Towards the flexible board of telescoping tube side, flexible board and convex ribs are wholely set clamping plate, flexible board and clamping plate split settings, installation
When, only the surface of flexible board need to be mutually adjacent to clamping plate, without being easily installed on installation convex ribs to clamping plate one by one,
The material of flexible board and convex ribs is preferably rubber, easy using the flexibility of rubber by setting rubber for the material of convex ribs 511
The characteristics of denaturation, when so that sliding panel 51 squeezing telescoping tube 1, sliding panel 51 is bonded more preferably, simultaneously with all directions of telescoping tube 1
Rubber increases the friction between convex ribs 511 and telescoping tube 1, more preferable for the locating effect between connector 5 and telescoping tube 1.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of linear actuators, the electricity to stretch including telescoping tube, the controller being installed on the outside of telescoping tube and driving telescoping tube
Machine, it is characterised in that: the controller is inserted on motor, and being connected between the motor and controller prevents controller edge from stretching
It is parallel with the telescopic direction of telescoping tube to be provided with glide direction on the controller for the telescopic direction of the draw mobile position limiting structure
Guide rail, connector is slidably fitted on the telescoping tube, connector and guide rail are slidably matched to prevent controller to be detached from motor.
2. a kind of linear actuators according to claim 1, it is characterised in that: the connector includes being slidably connected to stretch
Sliding panel on the draw and the connecting plate being connected with sliding panel, the connecting plate are slidably connected with guide rail.
3. a kind of linear actuators according to claim 2, it is characterised in that: the connecting plate include respectively with sliding panel
Connected the first connecting plate and the second connecting plate in both ends, further include the limit on the first connecting plate and the second connecting plate
Block.
4. a kind of linear actuators according to claim 3, it is characterised in that: the guide rail protrudes from controller setting,
The guide rail includes the second track with the first track of the first connecting plate cooperation and with the cooperation of the second connecting plate, the first track
The limiting slot with limited block cooperation is provided on opposite side wall on the second track.
5. a kind of linear actuators according to claim 4, it is characterised in that: be provided with positioning on first connecting plate
Hole, first track are provided with elastic pressuring plate far from one end of motor, are provided on elastic pressuring plate and determine with what location hole cooperated
Position column.
6. a kind of linear actuators according to claim 4 or 5, it is characterised in that: the sliding panel is elastic plate, described
Spacing between first track and the second track is gradually reduced from one end far from motor to one end close to motor.
7. a kind of linear actuators according to claim 6, it is characterised in that: the sliding panel is towards the side of telescoping tube
It is provided with multiple convex ribs.
8. a kind of linear actuators according to claim 7, it is characterised in that: the telescopic direction of the convex ribs and telescoping tube
In parallel.
9. a kind of linear actuators according to claim 8, it is characterised in that: the sliding panel includes clamping plate and connection
In clamping plate towards the flexible board of telescoping tube side, the multiple convex ribs and flexible board are wholely set.
10. a kind of linear actuators according to claim 1, it is characterised in that: slot is provided on the motor, it is described
It is provided with the inserted block with slot grafting on controller, the slot includes the socket being inserted into towards motor bottom for inserted block and court
The sliding mouth slided to the side of controller for inserted block, the position limiting structure include set on the first limit plate slided at mouth and setting
In the second limit plate on inserted block, first limit plate and the second limit plate offset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811262433.9A CN109510429B (en) | 2018-10-27 | 2018-10-27 | Linear actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811262433.9A CN109510429B (en) | 2018-10-27 | 2018-10-27 | Linear actuator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109510429A true CN109510429A (en) | 2019-03-22 |
| CN109510429B CN109510429B (en) | 2024-04-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811262433.9A Active CN109510429B (en) | 2018-10-27 | 2018-10-27 | Linear actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109510429B (en) |
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| US20130285494A1 (en) * | 2010-12-21 | 2013-10-31 | Linak A/S | Linear actuator |
| CN203278531U (en) * | 2013-05-06 | 2013-11-06 | 宁波市奉化润达医疗器械有限公司 | Control limit device of electronic push rod |
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| KR20170130299A (en) * | 2016-05-18 | 2017-11-28 | 창저우 시티 시파이케 일렉트로닉 테크놀로지 컴퍼니 리미티드 | A rail type guiding module for protecting overtravel |
| US20180031091A1 (en) * | 2016-08-01 | 2018-02-01 | Timotion Technology Co., Ltd. | Miniature linear actuator |
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| Publication number | Publication date |
|---|---|
| CN109510429B (en) | 2024-04-09 |
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