CN202883537U - Super high temperature resistant air cylinder - Google Patents
Super high temperature resistant air cylinder Download PDFInfo
- Publication number
- CN202883537U CN202883537U CN 201220453887 CN201220453887U CN202883537U CN 202883537 U CN202883537 U CN 202883537U CN 201220453887 CN201220453887 CN 201220453887 CN 201220453887 U CN201220453887 U CN 201220453887U CN 202883537 U CN202883537 U CN 202883537U
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- heat insulation
- end cap
- guide pin
- pin bushing
- cylinder
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Abstract
The utility model provides a super high temperature resistant air cylinder. The super high temperature resistant air cylinder comprises a piston, a piston rod, a cylinder tube, a front end cover and a rear end cover. The cylinder tube comprises an inner cylinder tube and a heat-insulation cylinder tube. The inner cylinder tube is sleeved in the heat-insulation cylinder tube. The front end cover comprises a front guide sleeve and a front heat-insulation end cover. The front end cover is tightly and fixedly connected with the front heat-insulation end cover. The rear end cover comprises a rear guide sleeve and a rear heat-insulation end cover. The rear guide sleeve and the rear heat-insulation end cover are tightly and fixedly connected. Due to the fact that the heat-insulation cylinder tube, the front heat-insulation end cover and the rear heat-insulation end cover are arranged, the air cylinder can work reliably under an ultra-temperature environment. Due to the facts that a gap is reserved between the heat-insulation cylinder tube and the inner cylinder tube, a gap is reserved between the front heat-insulation end cover and the front guide sleeve, a gap is reserved between the rear heat-insulation end cover and the rear guide sleeve, the three gaps are communicated, and cooling liquid or gas is filled in the gaps, the temperature of the whole air cylinder is further reduced, service life is prolonged, and cost is reduced.
Description
Technical field
The utility model belongs to extraordinary cylinder field, the especially a kind of thermostable cylinder that can work in the ultra-high temperature environment.
Background technique
The common cylinder of GENERAL TYPE has been widely used on the engineering machinery such as machinery, chemical industry, oil, transportation, in industrialization, automation and the replacement manpower function for all trades and professions, brought into play significant effect, but it has certain requirement to the environmental conditions of its work, it can only be worked under the temperature conditions below 100 ℃, when surpassing this temperature, its Sealing can be aging rapidly, thereby the sealability of losing, make the hydraulic performance decline of cylinder, shorten working life or forfeiture, thereby affect the work of complete machine or whole production line, bring unnecessary loss to production.
In order to use the need of production under the higher temperature environmental conditions, once design production of esbablished corporation in our company and the industry (having limit company such as the following automatic mounting in Yantai) has heat-resisting cylinder, the Sealing that this kind cylinder adopts the fluorine rubber material to replace original nitrile rubber or polyurethane material to make, be used for cylinder, improved the resistance to high temperature of cylinder, high temperature resistant index is brought up to 200 ℃ from 100 ℃, be applicable to the application under metallurgy industry and other higher temperatures applied environment condition, but at metallurgy, electric furnace, the local ambient temperature of steel mill and heat treatment industry considerably beyond more than ambient temperature range, need to satisfy under such mal-condition, the heat-resisting cylinder of the superhigh temperature of possible reliably working has become a difficult problem and problem.This patent product is exactly in this case, and these demand innovative designs produce in order to satisfy.
The model utility content
Problem to be solved in the utility model provides a kind of thermostable cylinder that can reliably working in hyperthermal environments.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of thermostable cylinder comprises piston, piston rod, cylinder barrel, front cover, rear end cover, wherein, cylinder barrel comprises inner cylinder tube and heat insulation cylinder barrel, and inner cylinder tube is enclosed within the heat insulation cylinder barrel, and gapped between the two; Front cover comprises front guide pin bushing and front heat insulation end cap, and front guide pin bushing and front heat insulation end cap are closely affixed; Rear end cover comprises rear guide pin bushing and rear heat insulation end cap, and rear guide pin bushing and rear heat insulation end cap are closely affixed; Heat insulation cylinder barrel, front heat insulation end cap, rear heat insulation end cap, piston and piston rod form the cavity of two sealings together, and forward and backward guide pin bushing lays respectively in the cavity of two sealings.
Further, the side of described heat insulation cylinder barrel is provided with the cooling fluid import and export.
Further, described front heat insulation end cap is provided with one end face, cavity, vent is installed, and described installation end face is provided with the through-flow groove of radial pattern.
Further, described rear heat insulation end cap is provided with cooling fluid import and export, front cavity, rear cavity, end face is installed; Described installation end face is provided with the through-flow groove of radial pattern.
Further, described forward and backward guide pin bushing is equipped with an endoporus, boss and installation end face, is equipped with sealed groove on the described endoporus, installs on the end face and is equipped with an air-path interface, installs on the end face and is equipped with the through-flow groove of radial pattern.
Further, the boundary dimension of described forward and backward guide pin bushing boss is less than the size of the cavity of front heat insulation end cap and less than the size of the front cavity of rear heat insulation end cap.
Further, the through-flow groove of the radial pattern of described front guide pin bushing and the corresponding setting of the through-flow groove of the radial pattern of front heat insulation end cap, the through-flow groove of the radial pattern of rear guide pin bushing and the corresponding setting of the through-flow groove of the radial pattern of rear heat insulation end cap; The corresponding setting with the vent of front heat insulation end cap of the air-path interface of described front guide pin bushing, the corresponding setting with the vent of rear heat insulation end cap of the air-path interface of rear guide pin bushing.
Further, the installation end face of described front guide pin bushing and the installation end face of front heat insulation end cap are closely connected, and the installation end face of rear guide pin bushing and the installation end face of rear heat insulation end cap are closely connected.
Further, the side of described piston is provided with sealed groove.
Further, the external diameter of described inner cylinder tube is less than the internal diameter of heat insulation cylinder barrel.
Advantage and the good effect that the utlity model has are: the setting of heat insulation cylinder barrel, front heat insulation end cap and rear heat insulation end cap can be worked cylinder reliably in the environment of superelevation; Simultaneously; leaving gap, front heat insulation end cap and leading inner room between heat insulation cylinder barrel and inner cylinder tube leaves between gap, rear heat insulation end cap and rear guide pin bushing and leaves the gap; communicate again between three gaps; in be connected with cooling liquid or gas; further reduced whole temperature cylinder; and then protected whole cylinder, and prolonged its operating life, reduced cost.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the plan view of rear heat insulation end cap;
Fig. 3 is the left view of rear heat insulation end cap;
Fig. 4 is the right elevation of rear heat insulation end cap;
Fig. 5 is the plan view of forward and backward guide pin bushing;
Fig. 6 is the right elevation of forward and backward guide pin bushing;
Fig. 7 is the inner cylinder tube structural representation;
Fig. 8 is heat insulation cylinder structure schematic representation;
Fig. 9 is the piston structure schematic representation;
Figure 10 is the plan view of front heat insulation end cap;
Figure 11 is the right elevation of front heat insulation end cap.
Among the figure:
1, rear heat insulation end cap 2, rear guide pin bushing 3, heat insulation cylinder barrel
4, inner casing 5, piston 6, front guide pin bushing
7, front heat insulation end cap 8, piston rod 11, the through-flow groove of radial pattern
12, vent 13, cooling fluid import and export 14, rear cavity
15, front cavity 16, installation end face 21, air-path interface
22, sealed groove 23, boss 24, installation end face
25, the through-flow groove 31 of radial pattern, cooling fluid import and export 51, sealed groove
71, vent 72, cavity 73, installation end face
74, the through-flow groove of radial pattern
Embodiment
Below in conjunction with accompanying drawing the utility model is further elaborated.
As shown in Figure 1, the utility model is a kind of thermostable cylinder, comprises piston 5, piston rod 8, cylinder barrel, front cover, rear end cover, and wherein, cylinder barrel comprises inner cylinder tube 4 and heat insulation cylinder barrel 3, and inner cylinder tube 4 is enclosed within the heat insulation cylinder barrel 3, and gapped between the two; Front cover comprises front guide pin bushing 6 and front heat insulation end cap 7, and the installation end face of front guide pin bushing 6 and the installation end face of front heat insulation end cap 7 are closely connected; Rear end cover comprises rear guide pin bushing 2 and rear heat insulation end cap 1, and the installation end face of rear guide pin bushing 2 and the installation end face of rear heat insulation end cap 1 are closely connected; Heat insulation cylinder barrel 3, front heat insulation end cap 7, rear heat insulation end cap 1, piston 5 and piston rod 8 form the cavity of two sealings together, and forward and backward guide pin bushing lays respectively in the cavity of two sealings.
The external diameter of inner cylinder tube 4 is less than the internal diameter of heat insulation cylinder barrel 3, so just between inner cylinder tube 4 and heat insulation cylinder barrel 3, form a slit cavity, the side of heat insulation cylinder barrel 3 is provided with cooling fluid and imports and exports 31, as shown in Figure 8, these cooling fluid import and export 31 make things convenient for cooled gas or cooling liquid to pass in and out smoothly this cavity slit.
Shown in Figure 10,11, front heat insulation end cap 7 is provided with a vent 71, shown in Fig. 5,6, the installation end face 24 of front guide pin bushing 6 is provided with an air-path interface 21, vent 71 is corresponding with size and the position of air-path interface 21, connect gas path joint, and then make working gas flow to/flow out in the vent 71 of heat insulation end cap 7 in the past; The installation end face 73 of front heat insulation end cap 7 is provided with the through-flow groove 74 of radial pattern, also be provided with the through-flow groove 25 of radial pattern on the installation end face 24 of front guide pin bushing 6, the size of both through-flow grooves of radial pattern, position, with quantity be one to one, in the present embodiment, the quantity of both through-flow grooves of radial pattern is 8, circumferentially is evenly arranged; The boundary dimension of the boss 23 of front guide pin bushing 6 has formed a cavity slit so between the two less than the size of the cavity 72 of front heat insulation end cap 7.
Shown in Fig. 2,3,4, rear heat insulation end cap 1 is provided with a vent 12, shown in Fig. 5,6, the installation end face 24 of rear guide pin bushing 2 is provided with an air-path interface 21, vent 12 is corresponding with size and the position of air-path interface 21, connect gas path joint, and then make working gas from the vent 12 of rear heat insulation end cap 1, flow to/flow out; The installation end face 16 of rear heat insulation end cap 1 is provided with the through-flow groove 11 of radial pattern, also be provided with the through-flow groove 25 of radial pattern on the installation end face 24 of rear guide pin bushing 2, the size of both through-flow grooves of radial pattern, position, with quantity be one to one, in the present embodiment, the quantity of both through-flow grooves of radial pattern is 8, circumferentially is evenly arranged; The boundary dimension of the boss 23 of rear guide pin bushing 2 has formed a cavity slit so between the two less than the size of the front cavity 15 of rear heat insulation end cap 1, and this cavity slit and rear cavity 14 connect; Rear heat insulation end cap 1 is provided with a cooling fluid and imports and exports 13, makes things convenient in the rear cavity 14 of cooled gas or liquid turnover.
As shown in Figure 1; the cavity slit that the cavity slit that the cavity slit that heat insulation cylinder barrel 3 and inner cylinder tube are 4, front heat insulation end cap 7 and front guide pin bushing are 6, rear heat insulation end cap 1 and rear guide pin bushing are 2; three cavity slits communicate by the through-flow groove of corresponding radial pattern; in be connected with cooling liquid or gas; present embodiment is cooling liquid; it is entrance that cooling circulation on the rear heat insulation end cap 1 imports and exports 13; cooling fluid on the heat insulation cylinder barrel 3 is imported and exported 31 and is outlet; so form a unimpeded circulation cavity, whole cylinder is carried out cooling protection.
As shown in Figure 9, the side of piston 5 is provided with sealed groove 22, in the sealed groove 22 seal washer is installed, and plays the effect of sealing gas, has guaranteed that piston can seesaw by being expected in the inner cylinder tube 4.
In the present embodiment, heat insulation cylinder barrel 3, front heat insulation end cap 7 wrap up whole cylinder with rear heat insulation end cap 1, have carried out effective protection, and cylinder can be worked in the environment of superelevation reliably; Simultaneously, be connected with cooling liquid or gas in the cavity slit between heat insulation cylinder barrel 3, front heat insulation end cap 7, rear heat insulation end cap 1 and inner cylinder tube 4, front guide pin bushing 6, the rear guide pin bushing 2, further reduce whole temperature cylinder, prolonged the whole cylinder operation life-span, reduced cost.
More than an embodiment of the present utility model is had been described in detail, but described content only is preferred embodiment of the present utility model, can not be considered to be used to limiting practical range of the present utility model.All equalizations of doing according to the utility model application range change and improve etc., all should still belong within the patent covering scope of the present utility model.
Claims (10)
1. a thermostable cylinder comprises piston, piston rod, cylinder barrel, front cover, rear end cover, it is characterized in that: cylinder barrel comprises inner cylinder tube and heat insulation cylinder barrel, and inner cylinder tube is enclosed within the heat insulation cylinder barrel, and gapped between the two; Front cover comprises front guide pin bushing and front heat insulation end cap, and front guide pin bushing and front heat insulation end cap are closely affixed; Rear end cover comprises rear guide pin bushing and rear heat insulation end cap, and rear guide pin bushing and rear heat insulation end cap are closely affixed; Heat insulation cylinder barrel, front heat insulation end cap, rear heat insulation end cap, piston and piston rod form the cavity of two sealings together, and forward and backward guide pin bushing lays respectively in the cavity of two sealings.
2. thermostable cylinder according to claim 1 is characterized in that: the side of described heat insulation cylinder barrel is provided with cooling fluid and imports and exports.
3. thermostable cylinder according to claim 1 is characterized in that: described front heat insulation end cap is provided with one end face, cavity, vent is installed, and described installation end face is provided with the through-flow groove of radial pattern.
4. thermostable cylinder according to claim 1 is characterized in that: described rear heat insulation end cap is provided with cooling fluid import and export, front cavity, rear cavity, end face, vent is installed; Described installation end face is provided with the through-flow groove of radial pattern.
5. thermostable cylinder according to claim 1, it is characterized in that: described forward and backward guide pin bushing is equipped with an endoporus, boss and installation end face, be equipped with sealed groove on the described endoporus, install on the end face and be equipped with an air-path interface, install on the end face and be equipped with the through-flow groove of radial pattern.
6. thermostable cylinder according to claim 5 is characterized in that: the boundary dimension of described boss is less than the size of the cavity of front heat insulation end cap and less than the size of the front cavity of rear heat insulation end cap.
7. the described thermostable cylinder of any one in 5 according to claim 3, it is characterized in that: the through-flow groove of the radial pattern of described front guide pin bushing and the corresponding setting of the through-flow groove of the radial pattern of front heat insulation end cap, the through-flow groove of the radial pattern of rear guide pin bushing and the corresponding setting of the through-flow groove of the radial pattern of rear heat insulation end cap; The corresponding setting with the vent of front heat insulation end cap of the air-path interface of described front guide pin bushing, the corresponding setting with the vent of rear heat insulation end cap of the air-path interface of rear guide pin bushing.
8. the described thermostable cylinder of any one in 5 according to claim 3, it is characterized in that: the installation end face of described front guide pin bushing and the installation end face of front heat insulation end cap are closely connected, and the installation end face of rear guide pin bushing and the installation end face of rear heat insulation end cap are closely connected.
9. thermostable cylinder according to claim 1, it is characterized in that: the side of described piston is provided with sealed groove.
10. thermostable cylinder according to claim 1, it is characterized in that: the external diameter of described inner cylinder tube is less than the internal diameter of heat insulation cylinder barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220453887 CN202883537U (en) | 2012-09-07 | 2012-09-07 | Super high temperature resistant air cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220453887 CN202883537U (en) | 2012-09-07 | 2012-09-07 | Super high temperature resistant air cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202883537U true CN202883537U (en) | 2013-04-17 |
Family
ID=48074970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220453887 Expired - Fee Related CN202883537U (en) | 2012-09-07 | 2012-09-07 | Super high temperature resistant air cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202883537U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104295555A (en) * | 2013-09-11 | 2015-01-21 | 昆山新金福精密电子有限公司 | Hydraulic cylinder of novel seal structure |
| CN104696309A (en) * | 2015-02-15 | 2015-06-10 | 赖卫华 | Double-rod hydraulic cylinder device |
-
2012
- 2012-09-07 CN CN 201220453887 patent/CN202883537U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104295555A (en) * | 2013-09-11 | 2015-01-21 | 昆山新金福精密电子有限公司 | Hydraulic cylinder of novel seal structure |
| CN104696309A (en) * | 2015-02-15 | 2015-06-10 | 赖卫华 | Double-rod hydraulic cylinder device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20140907 |
|
| EXPY | Termination of patent right or utility model |