CN212106999U - Ball valve capable of being installed under pressure by hot molding - Google Patents
Ball valve capable of being installed under pressure by hot molding Download PDFInfo
- Publication number
- CN212106999U CN212106999U CN202020411927.5U CN202020411927U CN212106999U CN 212106999 U CN212106999 U CN 212106999U CN 202020411927 U CN202020411927 U CN 202020411927U CN 212106999 U CN212106999 U CN 212106999U
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- ball valve
- pipeline
- plug body
- valve
- utility
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Abstract
The utility model discloses a ball valve of installation can be moulded to area pressure heat, including the disk seat, locate the cock body in the disk seat and locate the valve handle that is used for controlling the cock body on the disk seat, be used for the shutoff subassembly of shutoff pipeline when still including the ball valve installation, the through-hole through connection on the cock body of shutoff subassembly pass through. The utility model discloses be convenient for accomplish the change to the ball valve when not stopping pipeline transportation work. The utility model discloses, simple structure, convenient operation, change that can high efficiency's ball valve on accomplishing the pipeline. The utility model is suitable for a use when the ball valve on the area pressure pipeline is changed for replace the ball valve that has damaged on the original pipeline.
Description
Technical Field
The utility model belongs to the technical field of the valve, a can press ball valve of hot plastic molding installation is related to.
Background
In China, ball valves are widely applied to industries such as petroleum, chemical engineering, water conservancy, municipal engineering and the like due to the advantages of simple structures, small flow resistance and the like. The existing pipeline, ball valve and the like are generally made of thermoplastic plastics in order to pursue good corrosion resistance, but the ball valve made of the material can generate serious impact abrasion after being washed by materials for a long time, so that the valve core is sealed and loses efficacy, and the material leakage condition is generated. This requires regular replacement and maintenance of the ball valve to ensure proper production and operation.
At present, the process of thermoplastic connection is generally adopted between the ball valve made of plastic and the pipeline, when the ball valve is replaced, the pipeline needs to be depressurized or stopped to relieve the pipeline pressure, and therefore the ball valve and the pipeline can be connected together in a good thermoplastic mode. However, even if the pipeline is depressurized or stopped, the flowing material can still exist in the pipeline for a long time due to various reasons, and the condition can cause certain damage to the thermoplastic connection between the pipeline and the ball valve, thereby reducing the quality of the thermoplastic connection.
SUMMERY OF THE UTILITY MODEL
For solving exist among the prior art more than not enough, the utility model aims at providing a can take the hot ball valve of moulding installation of area to reach and to accomplish the purpose to the change of ball valve when not stopping pipeline transportation work.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a can take hot plastic ball valve of installation of pressure, includes the disk seat, locates the cock body in the disk seat and locates the valve handle that is used for controlling the cock body on the disk seat, is used for the shutoff subassembly of shutoff pipeline when still including the ball valve installation, and the through-hole through connection on the cock body of shutoff subassembly passes through on the cock body is on the cock body.
As the limitation of the utility model, the plugging component comprises a gas conveying pipe and an expansion pipe which are fixedly connected into a whole; the gas conveying pipe penetrates through the through hole of the plug body; the expansion pipe is arranged on one side of the plug body, can penetrate through the plug body along with the gas conveying pipe in an unexpanded state and is matched with the inner diameter of the pipeline in an expanded state.
As a further limitation of the utility model, the one-way switch is installed at the inflation inlet of the gas delivery pipe.
As the utility model discloses a further inject again, the expansion pipe is the latex hose, but disk seat, valve handle, cock body are all for thermoplastic plastics material.
Since the technical scheme is adopted, compared with the prior art, the utility model, the beneficial effect who gains is:
(1) the utility model discloses on the basis of original ball valve structure, increased a shutoff subassembly that can temporary shutoff pipeline, when changing the ball valve on the pipeline like this, can avoid carrying out the operation of compulsory pause work to the pipeline, only step down the pipeline can be connected the smooth heat of ball valve is moulded on the pipeline, accomplishes the replacement of ball valve. And because the setting of shutoff subassembly, can effectually prevent that the material that flows in the pipeline from causing the influence to the process of hot plastic connection, guaranteed the connection quality between ball valve and the pipeline.
(2) The utility model discloses gas transmission pipe among the shutoff subassembly passes through the through-hole through connection on the cock body to the through-hole on the cock body can be passed to the size under the expansion pipe recovery state, and after the connection is moulded on the pipeline to the ball valve heat like this, can take out the expansion pipe from the opposite side of ball valve through gas transmission pipe, in order to avoid the later stage to influence the circulation ability of pipeline.
To sum up, the utility model discloses, simple structure, convenient operation can the change of ball valve on the high efficiency's completion pipeline.
The utility model is suitable for a use when the ball valve on the area pressure pipeline is changed for replace the ball valve that has damaged on the original pipeline.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic longitudinal sectional structure of an embodiment of the present invention;
in the figure: 1. a valve seat; 2. a valve handle; 3. a plug body; 4. a gas delivery pipe; 5. an expansion tube; 6. a valve core; 7. a pipeline.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It is to be understood that the preferred embodiments described herein are for purposes of illustration and understanding only and are not intended to limit the invention.
Embodiment a ball valve capable of being installed with hot molding under pressure
As shown in fig. 1, the present embodiment includes a valve seat 1, a valve handle 2 disposed on the valve seat for controlling the plug body, and a plug body 3 fixedly disposed in the valve seat 1, wherein a plugging component is penetratingly connected in a through hole of the plug body 3, and the plugging component can temporarily plug a pipeline 7, so as to smoothly install the ball valve on the pipeline 7 with pressure.
To be noted: the valve seat 1, the valve handle 2 and the plug body 3 mentioned above are all the same as the valve seat 1, the valve handle 2 and the plug body 3 in the ball valve in the prior art, and the valve seat 1, the valve handle 2 and the plug body 3 are all made of thermoplastic plastics.
The plugging assembly is used for realizing temporary plugging of the pipeline 7. The plugging component comprises a gas conveying pipe 4 and an expansion pipe 5 which are fixedly connected into a whole. The gas delivery pipe 4 penetrates through the cock body 3 through a through hole existing in the cock body 3, and the expansion pipe 5 is located on one side of the cock body 3. Thus, the plugging assembly is integrally and detachably fixed on the cock body 3 by the rotation of the cock body 3 within the valve seat 1 by 90 degrees (i.e., the opening and closing operation of the ball valve). That is, the closure assembly can be removed from the tap body 3 when the ball valve is in the open state; and when the plugging component is in a closed state, the plugging component is fixed on the plug body 3. When the expansion pipe 5 is in an unexpanded state, the size of the expansion pipe can just pass through the through hole of the plug body 3, and when the expansion pipe 5 is in an expanded state, the size of the expansion pipe is matched with the inner diameter of the pipeline 7; a one-way switch is fixedly arranged at the inflation inlet of the gas delivery pipe 4: the valve core 6 controls the amount of gas in the expansion pipe 5 with a simple structure. In this embodiment, the gas delivery tube 4 is made of a soft and elastic material (such as silica gel or latex); the expansion pipe 5 is a latex hose.
When the embodiment is used, taking the example of hot-melting installation of the ball valve under pressure on the water pipe as an example, firstly, hot melting preparation is carried out on the ball valve and the pipeline 7, then the expansion pipe 5 on one side of the ball valve is placed in the pipeline 7 under pressure, gas is introduced into the expansion pipe 5 through the gas charging port of the gas conveying pipe 4 on the other side of the ball valve (at the moment, the ball valve is in an open state), and the pipeline 7 is blocked through continuous expansion of the expansion pipe 5; after the water pressure in the pipeline 7 is closed, the ball valve and the pipeline 7 are connected together in a hot melting way; after the hot melting connection is finished, gas in the expansion pipe 5 is discharged through the gas conveying pipe 4, so that the expansion pipe 5 is recovered, then the gas conveying pipe 4 is pulled to drive the expansion pipe 5 to penetrate through the through hole of the plug body 3 (namely, the whole plugging assembly is taken down from the ball valve), and finally the ball valve is closed, so that the ball valve is connected to the pipeline 7 in a thermoplastic mode.
It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and the present invention is not limited thereto, and although the present invention has been described in detail with reference to the above-mentioned embodiments, it will be apparent to those skilled in the art that modifications can be made to the technical solutions described in the above-mentioned embodiments, or some technical features can be replaced with equivalents. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a can take hot ball valve of moulding installation of area, includes the disk seat, locates the cock body in the disk seat and locates the valve handle that is used for controlling the cock body on the disk seat, its characterized in that: the pipeline plugging device further comprises a plugging assembly used for plugging the pipeline during installation of the ball valve, and the plugging assembly is connected to the plug body through a through hole in the plug body in a penetrating mode.
2. A hot plastic mountable ball valve with pressure according to claim 1, characterized in that: the plugging component comprises a gas conveying pipe and an expansion pipe which are fixedly connected into a whole; the gas conveying pipe penetrates through the through hole of the plug body; the expansion pipe is arranged on one side of the plug body, can penetrate through the plug body along with the gas conveying pipe in an unexpanded state and is matched with the inner diameter of the pipeline in an expanded state.
3. A hot plastic mountable ball valve with pressure according to claim 2, characterized in that: and a one-way switch is arranged at the air inflation port of the air delivery pipe.
4. A hot plastic mountable ball valve with pressure according to claim 3, characterized in that: the expansion pipe is a latex hose, and the valve seat, the valve handle and the plug body are all made of thermoplastic plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020411927.5U CN212106999U (en) | 2020-03-27 | 2020-03-27 | Ball valve capable of being installed under pressure by hot molding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020411927.5U CN212106999U (en) | 2020-03-27 | 2020-03-27 | Ball valve capable of being installed under pressure by hot molding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212106999U true CN212106999U (en) | 2020-12-08 |
Family
ID=73638442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020411927.5U Active CN212106999U (en) | 2020-03-27 | 2020-03-27 | Ball valve capable of being installed under pressure by hot molding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212106999U (en) |
-
2020
- 2020-03-27 CN CN202020411927.5U patent/CN212106999U/en active Active
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