CN202520701U - Air cylinder pressurization protective device - Google Patents
Air cylinder pressurization protective device Download PDFInfo
- Publication number
- CN202520701U CN202520701U CN201220067603XU CN201220067603U CN202520701U CN 202520701 U CN202520701 U CN 202520701U CN 201220067603X U CN201220067603X U CN 201220067603XU CN 201220067603 U CN201220067603 U CN 201220067603U CN 202520701 U CN202520701 U CN 202520701U
- Authority
- CN
- China
- Prior art keywords
- piston rod
- cylinder
- air cylinder
- fixing clamp
- flexible sheath
- Prior art date
- 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 an air cylinder pressurization protective device, which is arranged on an air cylinder and comprises a telescopic elastic sheath and an end fixing clamp, wherein the end fixing clamp is fixedly arranged at the end of a piston rod of the air cylinder; one end of the elastic sheath is connected on the end fixing clamp, and the other end of the elastic sheath is connected on an end surface (where the piston rod is located) the air cylinder, and the elastic sheath is sleeved outside the piston rod. The elastic sheath stretches and retracts along with the piston rod of the air cylinder all the time, and isolates the piston rod from the outside, thereby preventing impurities invasion or hard matter collision, thus prolonging the service life of the air cylinder, and at the same time superimposing the self deformation tension to the piston rod and strengthening the air cylinder acting force unidirectionally, so as to play a role of assisting the air cylinder in working, so that the pressure of the air cylinder is relatively strong and the movement is relatively rapid.
Description
Technical field
The utility model relates to a kind of pneumatic auxiliary device, and in particular, it relates to a kind ofly can protect cylinder piston rod and to the cylinder pressurization protective equipment of the auxiliary pressurization of cylinder.
Background technique
Cylinder is the basic element of character commonly used in the modern industry, and in the high manufacturing enterprise of the such automaticity of automobile factory, cylinder is widely used in each road production process especially.In the manufacturing shop of conventional industries; Environment cleanliness is relatively poor; Dust, welding slag, greasy dirt etc. very easily drop adhere on the cylinder piston rod or the flexible path of piston rod on; Need cleaning in time otherwise long-term accumulation is prone to cause the flexible rod wearing and tearing, damages, cause some row problems such as cylinder seal is bad, motion is ineffective, usefulness reduces and even scrap.Owing to do not have better protective at present, therefore have to aspect operational maintenance, drop into more energy.Notification number is that the model utility of CN201636121U discloses a kind of protecting cover cylinder on November 17th, 2010; Comprise cylinder; Said cylinder is provided with interface, is disposed with piston, spring and bonnet in the cylinder, and said cylinder, piston rod and connecting head are connected successively; The joint of cylinder and piston bar is provided with dust ring, and the joint of said cylinder and piston bar is provided with air bag.The utility model can prevent that dust and impurity from getting into cylinder, can under rugged environment, work, and long service life, but do not have auxiliary effect of pressurizeing.
The model utility content
Be prone to the contaminated defective that causes cylinder to decrease longevity, inefficacy in order to overcome the existing for want of anti-pollution protection of cylinder, the utility model provides a kind of can protect cylinder piston rod and to the cylinder pressurization protective equipment of the auxiliary pressurization of cylinder.
The technological scheme of the utility model is: a kind of cylinder pressurization protective equipment; Be located on the cylinder; Comprise telescopic flexible sheath and end fixing clamp, the end fixing clamp is fixedly arranged on the end of the piston rod of said cylinder, and flexible sheath one end is connected on the fixing clamp of end; The other end is connected on the cylinder end face at piston rod place, and flexible sheath is sheathed on outside the piston rod.Flexible sheath is together flexible with cylinder piston rod all the time; The piston rod and the external world are isolated; Prevent impurity such as too much dust, welding slag and greasy dirt be bonded on the piston rod working surface or jam on piston rod advance and retreat path; And the bump of other hard thing, avoid the sealing conjunction surface of above-mentioned impurity wearing and tearing or destruction cylinder or obstruction machinery action to put in place, and the bump hard defects; And further cause and reveal or mechanical jam, cause a series of problems such as cylinder pressure is not enough, action slows down, the piston rod distortion is stuck, cylinder deactivation is scrapped.Flexible sheath has elasticity, and in the elastic return process, can elastic force be superimposed on cylinder and uphold on pressure or the retraction pressure, thus unidirectional reinforcement cylinder action power.
As preferably, flexible sheath is a tapered coil spring.Common cylinder type helical spring has than big spring pitch when stretching; Impurity still can get into from gap location, and tapered coil spring is because the external diameter that passes through dwindles gradually, and each section spiral exists the spatial position poor;, still might guarantee by spring that the gap between each section spiral is very small when opening; As long as therefore select for use the spiral density degree to cooperate suitable tapered coil spring, also can when cylinder piston rod stretches out, block the protection piston rod effectively with the cylinder stroke.It is the most common helical spring a kind of that tapered coil spring belongs to, and manufacture difficulty is less relatively, and cost is lower.
Plant selection as other, flexible sheath is a valute spring.Valute spring is that sheet material is processed, even under extended state, also have very big lap between each section spiral, the valute spring that comes of therefore stretching can form the conical cavity of sealing, and is better to the protection effect of cylinder piston rod.
As preferably, the end fixing clamp is " C " shape ring, and fixing clamp opening end end, end is provided with the bolt tight locking button, and the end fixing clamp is held tightly and is fixed on the piston rod.On the bolt tight locking button bolt is housed, can tightens up or loosen the end fixing clamp, can fix or change the mounting point of end fixing clamp so easily through elasticity bolt.
As preferably, said cylinder pressurization protective equipment also comprises the sheath retaining ring, and the sheath retaining ring is welded on the cylinder end face at piston rod place, and the sheath retaining ring also is sheathed on outside the piston rod.Behind the piston rod retraction, flexible sheath also is compressed and places in the sheath retaining ring.Sheath retaining ring fixed installation except when the flexible sheath compression is drawn in, taking in flexible sheath, also can play the guide and limit effect to flexible sheath, prevents the flexible sheath problems such as dislocation that are distorted, and is convenient to the stable effect of bringing into play of flexible sheath.
The beneficial effect of the utility model is:
Effective protection cylinder prolongs cylinder working life.Flexible sheath in the utility model can be isolated from the outside cylinder piston rod, prevents or the infringement and the mechanical impact that alleviate dust, welding slag and greasy dirt causes the piston rod hard defects, guarantees the cylinder proper functioning.
Assistant cylinder is worked better.Flexible sheath also has auxiliary pressurization concurrently when playing protective action, active force is stronger in the time of can selecting for use the flexible sheath of suitable type to make cylinder operation according to use occasion, action effect is more stable and the cylinder action is rapider.
Description of drawings
Fig. 1 is a kind of structural representation of the utility model.
Among the figure, 1-flexible sheath, 2-sheath retaining ring, 3-end fixing clamp, 4-piston rod, 5-bolt tight locking button, 6-cylinder.
Embodiment
Below in conjunction with the accompanying drawing specific embodiment the utility model is described further.
Embodiment 1:
As shown in Figure 1, a kind of cylinder pressurization protective equipment is located on the cylinder 6, comprises telescopic flexible sheath 1, sheath retaining ring 2 and end fixing clamp 3.End fixing clamp 3 is fixedly arranged on the end of the piston rod 4 of said cylinder; End fixing clamp 3 is " C " shape ring; Fixing clamp 3 opening end ends in end are provided with bolt tight locking button 5, on the bolt tight locking button 5 bolt are housed, and can tighten up or loosen the end fixing clamp through elasticity bolt; Can fix or change the mounting point of end fixing clamp so very easily, end fixing clamp 3 is fixed on the piston rod 4 through this mode of holding tightly exactly.Sheath retaining ring 2 is penetrating cylindric in two ends, and its bottom is welded on the end face at piston rod 4 places of cylinder 6, the axis coinciding of sheath retaining ring 2 and cylinder 6.Flexible sheath 1 is a tapered coil spring, and this types of springs is a stage clip, and these flexible sheath 1 one ends are against on the end fixing clamp 3, and the other end is against on the cylinder end face in the sheath retaining ring 2, and flexible sheath 1 all is sheathed on outside the piston rod 4 with sheath retaining ring 2.Sheath retaining ring 2 also can play the guide and limit effect to flexible sheath 1 except when flexible sheath 1 compression is drawn in, taking in flexible sheath 1, and dislocation is distorted when preventing flexible sheath 1 contraction.
Embodiment 2:
Flexible sheath 1 is a valute spring, and all the other are with embodiment 1.
Because flexible sheath 1 is a stage clip; When the piston rod 4 of cylinder stretches out; The two distance of end fixing clamp 3 that stretches along with restriction flexible sheath 1 and cylinder end face widens; Flexible sheath 1 stretches under self elastic reaction automatically, as long as flexible sheath 1 does not return to former length, flexible sheath 1 two ends just are against respectively on end fixing clamp 3 and the cylinder end face all the time.Select the flexible sheath 1 of suitable specification for use according to the stroke of difference cylinder, can make flexible sheath 1 in the cylinder travel range, can the piston rod 4 of cylinder 6 be blocked protection all the time like this and live, stop the invasion and attack of impurity such as dust, welding slag and greasy dirt.Meanwhile, as long as flexible sheath 1 do not recover former length yet, flexible sheath 1 will with self deformation tension force be superimposed on cylinder on the pressure outside, the pressure of cylinder is played auxiliary reinforing function, pressure was bigger when cylinder was stretched out, speed is faster.
Claims (5)
1. cylinder pressurization protective equipment; Be located on the cylinder; It is characterized in that comprising telescopic flexible sheath (1) and end fixing clamp (3), end fixing clamp (3) is fixedly arranged on the end of the piston rod (4) of said cylinder, and flexible sheath (1) one end is connected on the end fixing clamp (3); The other end is connected on the cylinder end face at piston rod (4) place, and flexible sheath (1) is sheathed on outside the piston rod (4).
2. cylinder pressurization protective equipment according to claim 1 is characterized in that flexible sheath (1) is a tapered coil spring.
3. cylinder pressurization protective equipment according to claim 1 is characterized in that flexible sheath (1) is a valute spring.
4. according to claim 1 or 2 or 3 described cylinder pressurization protective equipments; It is characterized in that end fixing clamp (3) is " C " shape ring; End fixing clamp (3) opening end end is provided with bolt tight locking button (5), and end fixing clamp (3) is held tightly and is fixed on the piston rod (4).
5. according to claim 1 or 2 or 3 described cylinder pressurization protective equipments; It is characterized in that said cylinder pressurization protective equipment also comprises sheath retaining ring (2); Sheath retaining ring (2) is welded on the cylinder end face at piston rod (4) place, and sheath retaining ring (2) also is sheathed on outside the piston rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220067603XU CN202520701U (en) | 2012-02-28 | 2012-02-28 | Air cylinder pressurization protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220067603XU CN202520701U (en) | 2012-02-28 | 2012-02-28 | Air cylinder pressurization protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202520701U true CN202520701U (en) | 2012-11-07 |
Family
ID=47103653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220067603XU Expired - Fee Related CN202520701U (en) | 2012-02-28 | 2012-02-28 | Air cylinder pressurization protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202520701U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107044465A (en) * | 2017-06-19 | 2017-08-15 | 山东达睿智能设备股份有限公司 | A kind of cylinder positioning device being easily installed |
| CN113958557A (en) * | 2021-10-15 | 2022-01-21 | 浙江中铭工程机械有限公司 | Middle arm oil cylinder with protection function |
-
2012
- 2012-02-28 CN CN201220067603XU patent/CN202520701U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107044465A (en) * | 2017-06-19 | 2017-08-15 | 山东达睿智能设备股份有限公司 | A kind of cylinder positioning device being easily installed |
| CN113958557A (en) * | 2021-10-15 | 2022-01-21 | 浙江中铭工程机械有限公司 | Middle arm oil cylinder with protection function |
| CN113958557B (en) * | 2021-10-15 | 2023-11-24 | 浙江中铭工程机械有限公司 | Middle arm oil cylinder with protection function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121107 Termination date: 20140228 |