CN210660823U - Hydro-cylinder with dustproof function - Google Patents
Hydro-cylinder with dustproof function Download PDFInfo
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- CN210660823U CN210660823U CN201921540578.0U CN201921540578U CN210660823U CN 210660823 U CN210660823 U CN 210660823U CN 201921540578 U CN201921540578 U CN 201921540578U CN 210660823 U CN210660823 U CN 210660823U
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Abstract
The utility model relates to a hydro-cylinder with dustproof function. The cylinder head, the cylinder bottom and the cylinder body are fixed through bolts, the piston rod penetrates through the cylinder head and the cylinder body, the bottom end of the piston rod extends into the cylinder bottom, the piston rod is provided with a piston, a first sealing ring group is arranged between the cylinder head and the piston rod, the top of the piston rod is connected with a fixing sleeve, a dustproof assembly is arranged between the fixing sleeve and the cylinder head, and the length of the non-woven fabric bag ensures that the stretching length of the rubber elastic tube does not exceed the extension range of the rubber. The utility model discloses in avoiding the dust in the external atmosphere to get into the hydro-cylinder, avoid hydraulic oil to receive the pollution, damage the hydro-cylinder and seal.
Description
Technical Field
The utility model belongs to the technical field of the hydro-cylinder, in particular to hydro-cylinder with dustproof function.
Background
The piston rod of hydro-cylinder drives the piston and reciprocates along the cylinder body inside the cylinder body, though sealed setting between cylinder body and the piston rod, but when the piston rod drove the piston and reciprocates inside the cylinder body, the dust can fall into on cylinder body inner wall and the piston rod surface, and in the piston back and forth movement in-process, the dust can be taken the people inside the hydro-cylinder, and the dust causes the sealed wearing and tearing of piston rod, sealed damage to the inside hydraulic oil of hydro-cylinder of pollution. Especially in some dust workshops, the oil cylinder needs to be subjected to integral dustproof treatment.
SUMMERY OF THE UTILITY MODEL
The invention provides an oil cylinder with a dustproof function, and aims to solve the technical problem.
The utility model provides a technical scheme that above-mentioned technical problem took is:
the utility model provides an hydro-cylinder with dustproof function, includes cylinder body, cylinder head, cylinder bottom, piston rod, piston, and cylinder head, cylinder bottom and cylinder body pass through the bolt fastening, and the piston rod passes cylinder head, cylinder body, and the piston rod bottom stretches into the cylinder bottom, is equipped with the piston on the piston rod, is equipped with first sealing washer group between cylinder head and the piston rod, is equipped with first oilhole and first gas pocket on the cylinder head, is equipped with second oilhole and second gas pocket on the cylinder bottom, its characterized in that: the top of the piston rod is connected with a fixing sleeve, a dustproof assembly is arranged between the fixing sleeve and the cylinder head and comprises a non-woven fabric bag of an inner layer and an outer rubber elastic tube, the tops of the non-woven fabric bag and the rubber elastic tube are respectively connected with the fixing sleeve, the bottoms of the non-woven fabric bag and the rubber elastic tube are respectively connected with the cylinder head, and the length of the non-woven fabric bag ensures that the stretching length of the rubber elastic tube does not exceed the extension range of the rubber elastic tube.
Furthermore, a piston centering hole is formed in the cylinder bottom, and a thimble is arranged at the bottom of the piston rod and corresponds to the piston centering hole.
The utility model has the advantages that:
the top of the piston rod is connected with a fixed sleeve, a non-woven fabric bag and a rubber elastic tube are connected between the fixed sleeve and the cylinder head, the accumulation amount of the non-woven fabric bag is enough for the extension and contraction of the piston rod, the extension and contraction amount of the rubber elastic tube is enough for the extension and contraction of the piston rod, the non-woven fabric bag and the rubber elastic tube do not obstruct the extension and contraction of the piston rod, and the non-woven fabric bag and the rubber elastic; the length of the non-woven fabric bag ensures that the stretching length of the rubber elastic tube does not exceed the stretching range of the rubber elastic tube, and the non-woven fabric bag plays a role in protecting the stretching of the rubber elastic tube.
The utility model discloses in avoiding the dust in the external atmosphere to get into the hydro-cylinder, avoid hydraulic oil to receive the pollution, damage the hydro-cylinder and seal.
Drawings
Fig. 1 is a schematic structural view of an oil cylinder with a dustproof function of the present invention;
in the figure: the cylinder comprises a cylinder body-1, a cylinder head-2, a first oil hole-21, a first air hole-22, a cylinder bottom-3, a second oil hole-31, a second air hole-32, a piston rod-4, a piston-5, a fixed sleeve-6, a non-woven bag-71, a rubber elastic tube-72 and a thimble-8.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of the embodiments of the present invention, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
As an example, as shown in fig. 1, a cylinder with a dustproof function includes a cylinder body 1, a cylinder head 2, a cylinder bottom 3, a piston rod 4, and a piston 5, wherein the cylinder head 2, the cylinder bottom 3 and the cylinder body 1 are fixed by bolts, in order to enhance the sealing performance of the cylinder, a sealing rubber pad is respectively arranged at the connection of the cylinder head, the cylinder bottom and the cylinder body, the piston rod 4 passes through the cylinder head 2 and the cylinder body 1, the bottom end of the piston rod 4 extends into the cylinder bottom 3, the piston rod 4 is provided with the piston 5, no gap is formed between the piston and the cylinder body, the piston is sleeved with a sealing ring, a first sealing ring set 6 is arranged between the cylinder head 2 and the piston rod 4, the cylinder head 2 is provided with a first oil hole 21 and a first air hole 22, the cylinder bottom 3 is provided with a second oil hole 31 and a second air hole 32, when the cylinder body is filled with oil, the first air hole and the second air hole are used for, the top of the piston rod 4 is connected with a fixed sleeve 6, a dustproof assembly is arranged between the fixed sleeve 6 and the cylinder head 2, the dustproof assembly comprises an inner non-woven bag 71 and an outer rubber elastic tube 72, the tops of the non-woven bag and the rubber elastic tube are respectively connected with the fixed sleeve, and the bottoms of the non-woven bag and the rubber elastic tube are respectively connected with the cylinder head. The sufficient flexible of piston rod of non-woven fabrics bag pile up volume, the flexible of the sufficient piston rod of flexible volume of rubber elasticity pipe, non-woven fabrics bag, rubber elasticity pipe mainly play dustproof effect, and non-woven fabrics bag length ensures that the tensile length of rubber elasticity pipe does not surpass the extension scope of rubber elasticity pipe, and the non-woven fabrics bag plays the guard action to the tensile of rubber elasticity pipe, avoids the rubber elasticity pipe to be pulled bad.
In order to enable the piston rod to be positioned and moved in the moving process of the piston, the specific embodiment is further improved, a piston centering hole is formed in the cylinder bottom, the ejector pin 8 is arranged at the bottom of the piston rod 4, the ejector pin 8 corresponds to the piston centering hole, the ejector pin is not separated from the piston centering hole in the reciprocating moving process of the piston, and the ejector pin plays a role in positioning and centering the reciprocating movement of the piston rod.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be dominated by the protection scope of the claims.
Claims (2)
1. The utility model provides an hydro-cylinder with dustproof function, includes cylinder body, cylinder head, cylinder bottom, piston rod, piston, and cylinder head, cylinder bottom and cylinder body pass through the bolt fastening, and the piston rod passes cylinder head, cylinder body, and the piston rod bottom stretches into the cylinder bottom, is equipped with the piston on the piston rod, is equipped with first sealing washer group between cylinder head and the piston rod, is equipped with first oilhole and first gas pocket on the cylinder head, is equipped with second oilhole and second gas pocket on the cylinder bottom, its characterized in that: the top of the piston rod is connected with a fixing sleeve, a dustproof assembly is arranged between the fixing sleeve and the cylinder head and comprises a non-woven fabric bag of an inner layer and an outer rubber elastic tube, the tops of the non-woven fabric bag and the rubber elastic tube are respectively connected with the fixing sleeve, the bottoms of the non-woven fabric bag and the rubber elastic tube are respectively connected with the cylinder head, and the length of the non-woven fabric bag ensures that the stretching length of the rubber elastic tube does not exceed the extension range of the rubber elastic tube.
2. The oil cylinder with the dustproof function according to claim 1, wherein a piston centering hole is formed in the cylinder bottom, and a thimble is arranged at the bottom of the piston rod and corresponds to the piston centering hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921540578.0U CN210660823U (en) | 2019-09-17 | 2019-09-17 | Hydro-cylinder with dustproof function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921540578.0U CN210660823U (en) | 2019-09-17 | 2019-09-17 | Hydro-cylinder with dustproof function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210660823U true CN210660823U (en) | 2020-06-02 |
Family
ID=70821883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921540578.0U Active CN210660823U (en) | 2019-09-17 | 2019-09-17 | Hydro-cylinder with dustproof function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210660823U (en) |
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2019
- 2019-09-17 CN CN201921540578.0U patent/CN210660823U/en active Active
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