CN217255818U - Compound pipe bush water pressure frock - Google Patents
Compound pipe bush water pressure frock Download PDFInfo
- Publication number
- CN217255818U CN217255818U CN202221131756.6U CN202221131756U CN217255818U CN 217255818 U CN217255818 U CN 217255818U CN 202221131756 U CN202221131756 U CN 202221131756U CN 217255818 U CN217255818 U CN 217255818U
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- China
- Prior art keywords
- end cover
- sealing washer
- bush
- sealing
- bushing
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Abstract
The utility model discloses a compound pipe bush water pressure frock, upper end cover and lower end cover including relative setting, be equipped with in the lower part of upper end cover be used for with the sealed complex upper seal ring of bush upper end, be equipped with in the upper portion of lower end cover be used for with the sealed complex lower seal ring of bush lower tip, be equipped with on upper end cover and/or the lower end cover be used for with the inside water inlet and the delivery port that are linked together of bush, upper seal ring and lower seal ring are for filling up with bush conical tip matched with toper cover. This compound pipe bush water pressure frock structural design is reasonable, changes end face seal into conical surface sealed, utilizes two conical surfaces about the bush and the sealed rubber ring in the tight groove of bush to seal, only needs less top pressure to compress tightly the frock and can realize the steady voltage and not reveal when it is suppressed.
Description
Technical Field
The utility model belongs to the technical field of the sealed technique that detects of bush and specifically relates to a compound pipe bush water pressure frock is related to.
Background
The end wall of the bushing is thin, the bushing is sealed by the aid of the upper plane end face and the lower plane end face when the bushing is pressed, the top oil cylinder is pressed to tightly press the sealing rubber ring to realize sealing, pressure of the oil cylinder cannot be maintained if the pressure is too small when the method is used for pressing, the shearing force of the sealing rubber ring is too large if the pressure of the oil cylinder is large to damage the rubber, pressure cannot be maintained, and sealing detection of the bushing is affected.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model aims to solve the technical problem that a composite pipe bush water pressure frock is provided, it only needs less top pressure to compress tightly the frock when suppressing and can realize that the steady voltage does not reveal.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
this compound pipe bush water pressure frock, including relative upper end cover and the lower extreme cover that sets up, be equipped with in the lower part of upper end cover be used for with the sealed complex upper seal ring of bush upper end, be equipped with in the upper portion of lower extreme cover be used for with the sealed complex lower seal ring of bush lower extreme, be equipped with on upper end cover and/or the lower extreme cover be used for with the inside water inlet and the delivery port that are linked together of bush, upper seal ring and lower seal ring are for filling up with bush conical tip matched with toper.
And further:
the upper end cover and the lower end cover are both cast iron or cast steel.
The upper sealing washer and the lower sealing washer are both nylon pieces.
And the inner side walls of the upper sealing washer and the lower sealing washer are provided with raised sealing rings matched with the sealing grooves on the outer wall of the end part of the bushing.
The upper sealing washer and the lower sealing washer are fixed in the corresponding end covers through gluing.
The raised sealing ring and the sealing washer are of an integrated structure.
Compared with the prior art, the utility model, have following advantage:
this compound pipe bush water pressure frock structural design is reasonable, changes end face seal into conical surface sealed, utilizes two conical surfaces about the bush and the sealed rubber ring in the tight groove of bush to seal, only needs less top pressure to compress tightly the frock and can realize the steady voltage and not reveal when it is suppressed.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
fig. 1 is the utility model discloses frock structure schematic diagram.
In the figure:
1. the water inlet sealing device comprises an upper end cover, a water inlet 101, a water outlet 102, a lower end cover 2, an upper sealing washer 3, a lower sealing washer 4, a convex sealing washer 401 and a lining 5.
Detailed Description
The following description of the embodiments of the present invention will explain the embodiments of the present invention in further detail by referring to the accompanying drawings.
As shown in fig. 1, the composite pipe bushing hydraulic tool comprises an upper end cover 1 and a lower end cover 2 which are oppositely arranged, wherein an upper sealing washer 3 which is used for being in sealing fit with the upper end of a bushing 5 is arranged in the lower part of the upper end cover, a lower sealing washer 4 which is used for being in sealing fit with the lower end of the bushing is arranged in the upper part of the lower end cover, a water inlet 101 and a water outlet 102 which are communicated with the inside of the bushing are arranged on the upper end cover and/or the lower end cover, and the upper sealing washer and the lower sealing washer are conical cushion covers matched with the conical end parts of the bushing.
Preferably, the water inlet and the water outlet are both arranged on the upper end cover, the water inlet and the water outlet are arranged oppositely, through holes communicated with the inside of the lining are respectively formed in the upper end cover corresponding to the water inlet and the water outlet, and the top of the upper sealing washer is provided with water holes corresponding to the through holes, so that the structure is compact.
The upper sealing washer and the lower sealing washer are fixed in the corresponding end covers through gluing, so that the sealing performance of the tool is guaranteed; the upper end cover and the lower end cover are both cast iron or cast steel parts, the upper sealing washer and the lower sealing washer are both nylon parts, the manufacturing is simple and convenient, the metal part is arranged outside, the nylon part is arranged inside, and the sealing is reliable.
The inner side walls of the upper sealing washer and the lower sealing washer are provided with convex sealing rings 401 matched with sealing grooves in the outer wall of the end part of the bushing, and sealing rubber rings are arranged in the sealing grooves; furthermore, the raised sealing ring and the sealing washer are of an integrated structure.
The utility model changes the end face sealing into conical face sealing, and utilizes the upper and lower conical faces of the bush and the sealing rubber ring of the bush close groove to seal; and when the pressure is pressed, the pressure stabilization can be realized without leakage only by a small top pressure pressing tool.
The working principle is as follows:
loading: after a hydraulic system is started, the top of the tool is connected with an air cylinder or an oil cylinder, the top cylinder moves upwards to drive the upper end cover to move upwards, a bushing is placed, and a sealing rubber ring is arranged in a sealing groove of the bushing;
and (3) compacting: the upper part of the tool is tightly pressed by an oil cylinder or an air cylinder, and the pressure of a top cylinder is set to be 0.6-1 MPa;
water inlet pressurization: a water inlet pipeline connected with the water inlet, wherein a valve is arranged on a water outlet connecting pipeline, after water enters the tool, the water outlet valve is closed, and after the whole pipeline and the tool are filled with water, a pressurizing system pressurizes the water to a specified pressure and maintains the pressure;
pressure relief and water discharge: after the pressure maintaining is finished, the pressurizing system is closed, and the water outlet valve is opened;
the following steps: and (5) returning the jacking cylinder, taking out the workpiece and detaching the sealing rubber ring.
The above-mentioned is only for the description of the preferred embodiments of the present invention, and the above-mentioned technical features can be combined at will to form a plurality of embodiments of the present invention.
The present invention has been described in detail with reference to the accompanying drawings, and it is apparent that the present invention is not limited by the above embodiments, and various insubstantial improvements can be made without modification to the present invention.
Claims (6)
1. The utility model provides a compound pipe bush water pressure frock, includes relative upper end cover and the lower end cover that sets up, its characterized in that: an upper sealing washer used for being in sealing fit with the upper end of the bushing is arranged in the lower portion of the upper end cover, a lower sealing washer used for being in sealing fit with the lower end of the bushing is arranged in the upper portion of the lower end cover, a water inlet and a water outlet used for being communicated with the interior of the bushing are formed in the upper end cover and/or the lower end cover, and the upper sealing washer and the lower sealing washer are conical cushion covers matched with the conical ends of the bushing.
2. The composite pipe liner hydraulic tool set forth in claim 1, wherein: the upper end cover and the lower end cover are both cast iron or cast steel.
3. The composite pipe liner hydraulic tool set forth in claim 1, wherein: the upper sealing washer and the lower sealing washer are both nylon pieces.
4. The composite pipe liner hydraulic tool set forth in claim 1, wherein: and the inner side walls of the upper sealing washer and the lower sealing washer are provided with raised sealing rings matched with the sealing grooves on the outer wall of the end part of the bushing.
5. The composite pipe liner hydraulic tool set forth in claim 1, wherein: the upper sealing washer and the lower sealing washer are fixed in the corresponding end covers through gluing.
6. The composite pipe liner hydraulic tool set forth in claim 4, wherein: the raised sealing ring and the sealing washer are of an integrated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221131756.6U CN217255818U (en) | 2022-05-11 | 2022-05-11 | Compound pipe bush water pressure frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221131756.6U CN217255818U (en) | 2022-05-11 | 2022-05-11 | Compound pipe bush water pressure frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217255818U true CN217255818U (en) | 2022-08-23 |
Family
ID=82884062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221131756.6U Active CN217255818U (en) | 2022-05-11 | 2022-05-11 | Compound pipe bush water pressure frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217255818U (en) |
-
2022
- 2022-05-11 CN CN202221131756.6U patent/CN217255818U/en active Active
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