CN209654346U - A kind of anti-pinch range-adjustable linear motion device - Google Patents
A kind of anti-pinch range-adjustable linear motion device Download PDFInfo
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- CN209654346U CN209654346U CN201920159470.0U CN201920159470U CN209654346U CN 209654346 U CN209654346 U CN 209654346U CN 201920159470 U CN201920159470 U CN 201920159470U CN 209654346 U CN209654346 U CN 209654346U
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- stroke adjustment
- shield
- foot piece
- stroke
- adjustable
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Abstract
The utility model discloses a kind of anti-pinch range-adjustable linear motion devices, belong to linear actuator field.The anti-pinch range-adjustable linear motion device of the utility model, including linear actuator and shield, one end of linear actuator is equipped with drive rod, the other end is equipped with the stroke adjustment foot piece moved synchronously with drive rod, stroke adjustment foot piece is equipped with stroke adjustment nut, the main part of shield is the hollow tube that length can be changed, shielding cover is set on stroke adjustment foot piece, and one end of shield is connected with the end cap of linear actuator respective side, the other end of shield is connected with stroke adjustment nut, the shield does stretching motion with stroke adjustment foot piece linear reciprocating motion.The utility model is covered up stroke adjustment foot piece using shield, has prevented the security risk for crushing operator occurred in work, and the structure design of shield is simple, it is easy to make, low manufacture cost, and the adjusting of stroke adjustment nut is not influenced, it is flexible and convenient to use.
Description
Technical field
The utility model relates to a kind of straight reciprocating motion apparatus, straight more specifically to a kind of anti-pinch range-adjustable
Line telecontrol equipment.
Background technique
In machinery industry, straight line reciprocating actuator and linear reciprocating mechanism using very common, it is most commonly seen
Linear actuator have telescopic cylinder and telescopic oil cylinder etc..In straight line reciprocating actuator and linear reciprocating mechanism, very
It needs that linear motion stroke is adjusted in more situations, therefore more range-adjustable straight line driving mechanism occurs, such as may be used
Adjust stroke cylinder and oil cylinder etc..As shown in Figure 1, these range-adjustable straight line driving mechanisms are usual by taking increased stroke-adjustable gas cylinder as an example
Have following structure feature: one end of linear actuator 1 has drive rod 1-1, is used to connect other component to drive these
Component moves back and forth, and has stroke adjustment the foot piece 1-2, In moved synchronously with drive rod 1-1 in the other end of linear actuator 1
Stroke adjustment foot piece 1-2 is equipped with stroke adjustment nut 1-3, and stroke adjustment nut 1-3 is between 1 shell end of linear actuator
Distance be drive rod 1-1 maximum stroke movement, by adjust stroke adjustment nut 1-3 on stroke adjustment foot piece 1-2
Position can be realized linear actuator 1 maximum stroke movement adjust.
Above-mentioned range-adjustable straight line driving mechanism can be conveniently adjusted movement travel, easy to use, but also exactly by
Stroke adjustment foot piece and stroke adjustment nut, during the motion, stroke adjustment foot piece and stroke are set in tail portion in its needs
Also linear reciprocating motion, the movement of the stroke adjustment foot piece and stroke adjustment nut that are exposed to outside exist latent adjusting nut therewith
When danger, especially someone operate, there are the risks of clamp hand.Therefore, for such straight line reciprocating actuator and linear reciprocation
Above-mentioned security risk existing for movement mechanism needs to try to solve.
It is retrieved by lot of documents, the protection of existing oil cylinder, cylinder is both for drive rod and linear actuator end cap
Between dust-proof, waterproof and grease proofing etc., a kind of protective cover cylinder, China as disclosed in China Patent No. ZL201020183276.5
Cylinder type shield cylinder etc. disclosed in patent No. ZL201320039131.1, these patent application cases are only for piston rod
The dust-proof improvement for waiting progress at place, can not solve above-mentioned existing for above-mentioned straight line reciprocating actuator and linear reciprocating mechanism
Security risk.
For above-mentioned security risk, China Patent No. existing for straight line reciprocating actuator and linear reciprocating mechanism
ZL201620720893.1, authorized announcement date are on December 14th, 2016, utility model title are as follows: carry detachable protective cover
The patent application case of range-adjustable power device proposes a kind of improvement project comprising cylinder or oil cylinder, are adjusted rear flange lid
Screw rod and standing screw are provided with stroke adjustment nut on adjusting screw rod, further include protective cover, protective cover includes hollow dome
Body, circumferentially side is outwardly formed mounting plate to open circles cover, and at least two mounting holes, mounting hole and fixation are provided on mounting plate
Screw rod is fixedly connected by locking nut.It can make the adjusting nut on cylinder or oil cylinder by design detachable protective cover
It is built in the cover of protective cover, effectively avoids what increased stroke-adjustable gas cylinder or oil cylinder occurred at work from easily crushing operator etc.
Security risk improves the stability and safety guarantee of cylinder or oil cylinder operation.But this application has the following deficiencies:
1) open circles cover needs to be fixed on cylinder by mounting plate or the rear flange of oil cylinder covers, the structure of protective cover and
Connection structure is complex, increases the structural complexity and manufacture difficulty of range-adjustable power device；Also, hollow dome
Body needs to cover on the outside of adjusting screw rod and stroke adjustment nut, when the stroke of range-adjustable power device is longer, open circles
The length needs of cover do longer, also increase cost of manufacture；
2) since open circles cover needs to cover on the outside of adjusting screw rod and stroke adjustment nut, stroke adjustment nut is made to exist
Reach protective action in open circles cover always in motion process, therefore stroke adjustment nut can not be adjusted flexibly
Section, need will open circles cover remove after can carry out stroke adjustment, cause the stroke adjustment of range-adjustable power device compared with
Be it is cumbersome, reduce its using flexible.
Summary of the invention
1. utility model technical problems to be solved
The purpose of the utility model is to overcome existing range-adjustable linear motion devices in the presence of structure is complicated, manufacture difficulty
Greatly, the deficiencies of at high cost and stroke adjustment is cumbersome provides a kind of anti-pinch range-adjustable linear motion device, using this
The technical solution of utility model is arranged the variable hollow tube of length on the stroke adjustment foot piece of range-adjustable linear motion device
Body, the hollow tube do stretching motion with stroke adjustment foot piece linear reciprocating motion, using shield by stroke adjustment foot piece
It covers up, to prevent the security risk for crushing operator occurred in work, and the structure of shield designs letter
It is single, easy to make, low manufacture cost, and the adjusting of stroke adjustment nut is not influenced, it is flexible and convenient to use.
2. technical solution
In order to achieve the above objectives, technical solution provided by the utility model are as follows:
A kind of anti-pinch range-adjustable linear motion device of the utility model, including linear actuator and shield, it is described
One end of linear actuator be equipped with drive rod, the other end is equipped with the stroke adjustment foot piece that moves synchronously with drive rod, described
Stroke adjustment foot piece is equipped with stroke adjustment nut, and the main part of the shield is the hollow tube that length can be changed, institute
The shielding cover stated is set on stroke adjustment foot piece, and one end of shield is connected with the end cap of linear actuator respective side, is prevented
The other end of shield is connected with stroke adjustment nut, which does flexible fortune with stroke adjustment foot piece linear reciprocating motion
It is dynamic.
Further, the main part of the shield is the bellows of elastic telescopic, and one end of the bellows is supported
On the end cap of linear actuator respective side, the other end is against in stroke adjustment nut.
Further, there is diameter to be less than stroke adjustment spiral shell for one end that the shield and stroke adjustment nut offset
The closing-in structure of female diameter.
Further, the shield is made of elastoplastic or rubber.
Further, the linear actuator is increased stroke-adjustable gas cylinder or adjustable stroke cylinder.
3. beneficial effect
It is had the following beneficial effects: compared with existing well-known technique using technical solution provided by the utility model
(1) a kind of anti-pinch range-adjustable linear motion device of the utility model comprising linear actuator and shield,
The variable hollow tube of length is arranged on the stroke adjustment foot piece of range-adjustable linear motion device, the hollow tube is with stroke
It adjusts foot piece linear reciprocating motion and does stretching motion, covered up stroke adjustment foot piece using shield, to prevent
What is occurred in work crushes the security risk of operator, and the structure design of shield is simple, easy to make, cost of manufacture
It is low, and the adjusting of stroke adjustment nut is not influenced after shield installation, it is flexible and convenient to use without disassembly；
(2) a kind of anti-pinch range-adjustable linear motion device of the utility model, the main part of shield are elasticity
Flexible bellows, one end of the bellows are against on the end cap of linear actuator respective side, and the other end is against stroke adjustment spiral shell
It on mother, is directly sleeved between linear actuator and stroke adjustment nut, is installed simpler using the bellows of elastic telescopic
Folk prescription is just；In addition, the closing in that there is diameter to be less than stroke adjustment nut diameter for one end that shield and stroke adjustment nut offset
Structure cooperates more reliable and more stable with stroke adjustment nut；
(3) a kind of anti-pinch range-adjustable linear motion device of the utility model, shield is by elastoplastic or rubber
It is made, it is easy to make, it is at low cost.
Detailed description of the invention
Fig. 1 is a kind of existing structural schematic diagram of increased stroke-adjustable gas cylinder；
Fig. 2 is a kind of structural schematic diagram of anti-pinch range-adjustable linear motion device of the utility model；
Fig. 3 is that a kind of application of the anti-pinch range-adjustable linear motion device of the utility model in increased stroke-adjustable gas cylinder is shown
It is intended to.
Label declaration in schematic diagram:
1, linear actuator；1-1, drive rod；1-2, stroke adjustment foot piece；1-3, stroke adjustment nut；2, shield.
Specific embodiment
For the content for further appreciating that the utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment
As shown in connection with fig. 2, a kind of anti-pinch range-adjustable linear motion device of the present embodiment, including 1 He of linear actuator
Shield 2, one end of linear actuator 1 are equipped with drive rod 1-1, and drive rod 1-1 passes through for connecting with other moving components
Drive rod 1-1 stretching motion drives corresponding component to move back and forth, and the other end of linear actuator 1 is equipped with same with drive rod 1-1
Stroke adjustment the foot piece 1-2, stroke adjustment foot piece 1-2 for walking movement are equipped with stroke adjustment nut 1-3, stroke adjustment nut 1-3
It can be adjusted front and back on stroke adjustment foot piece 1-2, the distance of the trip adjusting nut 1-3 to 1 respective end of linear actuator is
For the maximum stroke movement of drive rod 1-1, pass through position of the up and down adjustment stroke adjustment nut 1-3 on stroke adjustment foot piece 1-2
Set the movement travel adjusting that linear actuator 1 can be realized.The main part of shield 2 is the hollow tube that length can be changed, and is prevented
Shield 2 is sheathed on stroke adjustment foot piece 1-2, and one end of shield 2 is connected with the end cap of 1 respective side of linear actuator, is prevented
The other end of shield 2 is connected with stroke adjustment nut 1-3, which does with stroke adjustment foot piece 1-2 linear reciprocating motion
Stretching motion.By the way that shield 2 is arranged, exposed stroke adjustment foot piece 1-2 partial occlusion is lived, to prevent to go out in work
Existing stroke adjustment nut 1-3 crushes the security risk of operator.Also, shield 2 can be reciprocal with stroke adjustment foot piece 1-2
It moves along a straight line and does stretching motion, do not influence the adjusting of stroke adjustment nut 1-3 after installation, it is flexible and convenient to use without disassembly,
And structure design is simple, easy to make, low manufacture cost.
As shown in Fig. 2, the main part of the shield 2 in the present embodiment is stretched as a preferred implementation manner, for elasticity
The bellows of contracting, one end of the bellows are against on the end cap of 1 respective side of linear actuator, and the other end is against stroke adjustment nut
On 1-3, is acted on using the elastic telescopic of bellows, the bellows shield 2 is directly set in 1 respective side of linear actuator
Between end cap and stroke adjustment nut 1-3, bellows can be compressed automatically and be returned with stroke adjustment foot piece 1-2 under elastic reaction
Bullet, structure is simple, easy for installation.In addition, there is diameter to be less than row for one end that the shield 2 and stroke adjustment nut 1-3 offset
The closing-in structure of journey adjusting nut 1-3 diameter keeps the end of shield 2 and stroke adjustment nut 1-3 direct using closing-in structure
It abuts, cooperates with stroke adjustment nut 1-3 more reliable and more stable.Above-mentioned shield 2 preferably uses elastoplastic or rubber system
At, it is easy to make, it is at low cost.
A kind of anti-pinch range-adjustable linear motion device of the present embodiment, it is all to pass through stroke adjustment foot piece 1-2 and stroke tune
Section nut 1-3 match the linear reciprocating motion mechanism to realize stroke adjustment, can by above-mentioned 2 structure of shield come
The effect for realizing anti-pinch, is particularly suitable for increased stroke-adjustable gas cylinder or adjustable stroke cylinder.Therefore, as shown in figure 3, in the present embodiment
In, linear actuator 1 is preferably increased stroke-adjustable gas cylinder or adjustable stroke cylinder, in existing increased stroke-adjustable gas cylinder or range-adjustable
Above-mentioned shield 2 is set on the stroke adjustment foot piece 1-2 of oil cylinder, to existing increased stroke-adjustable gas cylinder or adjustable stroke cylinder
Transformation it is convenient, improve the safety in utilization of increased stroke-adjustable gas cylinder and adjustable stroke cylinder.
A kind of anti-pinch range-adjustable linear motion device of the utility model, in the stroke of range-adjustable linear motion device
It adjusts and is arranged the variable hollow tube of length on foot piece, which does flexible with stroke adjustment foot piece linear reciprocating motion
Movement, is covered up stroke adjustment foot piece using shield, so as to avoid the peace for crushing operator occurred in work
Full hidden danger, and the structure design of shield is simple, easy to make, low manufacture cost, and does not influence stroke adjustment nut
It adjusts, it is flexible and convenient to use.
Schematically the utility model and embodiments thereof are described above, description is not limiting, attached drawing
Shown in be also one of the embodiments of the present invention, actual structure is not limited to this.So if this field
Those of ordinary skill enlightened by it, without deviating from the purpose of the present invention, without creatively designing
Frame mode similar with the technical solution and embodiment, all should belong to the protection range of the utility model.
Claims (5)
1. a kind of anti-pinch range-adjustable linear motion device, including linear actuator (1) and shield (2), the straight line is driven
The one end of dynamic device (1) is equipped with drive rod (1-1), and the other end is equipped with the stroke adjustment foot piece (1- moved synchronously with drive rod (1-1)
2), the stroke adjustment foot piece (1-2) is equipped with stroke adjustment nut (1-3), it is characterised in that: the shield (2)
Main part be hollow tube that length can be changed, the shield (2) is sheathed on stroke adjustment foot piece (1-2), and anti-
One end of shield (2) is connected with the end cap of linear actuator (1) respective side, the other end and stroke adjustment nut of shield (2)
(1-3) is connected, which does stretching motion with stroke adjustment foot piece (1-2) linear reciprocating motion.
2. a kind of anti-pinch range-adjustable linear motion device according to claim 1, it is characterised in that: the shield
(2) main part is the bellows of elastic telescopic, and one end of the bellows is against the end cap of linear actuator (1) respective side
On, the other end is against on stroke adjustment nut (1-3).
3. a kind of anti-pinch range-adjustable linear motion device according to claim 2, it is characterised in that: the shield
(2) closing-in structure that there is diameter to be less than stroke adjustment nut (1-3) diameter for the one end to offset with stroke adjustment nut (1-3).
4. a kind of anti-pinch range-adjustable linear motion device according to claim 1 or 2 or 3, it is characterised in that: described
Shield (2) is made of elastoplastic or rubber.
5. a kind of anti-pinch range-adjustable linear motion device according to claim 4, it is characterised in that: the straight line drives
Dynamic device (1) is increased stroke-adjustable gas cylinder or adjustable stroke cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920159470.0U CN209654346U (en) | 2019-01-30 | 2019-01-30 | A kind of anti-pinch range-adjustable linear motion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920159470.0U CN209654346U (en) | 2019-01-30 | 2019-01-30 | A kind of anti-pinch range-adjustable linear motion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209654346U true CN209654346U (en) | 2019-11-19 |
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ID=68523349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920159470.0U Active CN209654346U (en) | 2019-01-30 | 2019-01-30 | A kind of anti-pinch range-adjustable linear motion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209654346U (en) |
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2019
- 2019-01-30 CN CN201920159470.0U patent/CN209654346U/en active Active
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