CN212107454U - Socket joint formula rubber shutoff head inflation formula shutoff frock - Google Patents
Socket joint formula rubber shutoff head inflation formula shutoff frock Download PDFInfo
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- CN212107454U CN212107454U CN202020581961.7U CN202020581961U CN212107454U CN 212107454 U CN212107454 U CN 212107454U CN 202020581961 U CN202020581961 U CN 202020581961U CN 212107454 U CN212107454 U CN 212107454U
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Abstract
The utility model relates to a socket joint formula rubber shutoff head inflation shutoff frock, it includes flange nipple joint, sets up upper flange and lower flange on the flange nipple joint, sets up the shutoff body in flange nipple joint inside, wear to establish on the upper flange, and with the control rod of shutoff body screwed connection, the shutoff body includes T-shaped bolt spare, the funnel-shaped rubber shutoff cover of fixed connection in bolt spare bottom, the frustum form rubber expansion stopper of sliding connection on bolt spare shank, be equipped with the outer silk on the shank of bolt spare, rubber expansion stopper top is equipped with two-way thrust bearing formula adapter; the lower end of the operating rod is provided with a cavity, and the inner wall of the cavity is provided with an inner wire matched with the outer wire on the bolt rod. The expansion type plugging tool for the socket rubber plugging head is simple in structure and low in manufacturing cost, and in the process of replacing the valve body, the tank body and associated equipment do not need to be stopped, materials do not need to be emptied, and therefore continuous conveying and belt pressure replacement are achieved.
Description
Technical Field
The utility model relates to a valve body replacement tool technical field, concretely relates to socket joint formula rubber shutoff head inflation formula shutoff frock.
Background
The first instrument isolating valve on the tank top of the LNG receiving station is a fragile part, and the isolating valve is prone to cracking in the process of putting the storage tank into production and using, and if the isolating valve is replaced irregularly, the safe operation of the storage tank can be directly influenced. The replacement operation of the conventional valve body requires that the storage tank and the associated equipment are stopped and the materials are emptied, thereby affecting continuous production and enterprise benefits.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is how to overcome the above-mentioned defect of current conventional valve body change technique, provide one kind can realize the socket joint formula rubber shutoff head inflation formula shutoff frock that tank deck valve changed under the circumstances of not shutting down, not empting.
In order to solve the technical problem, the expansion type plugging tool for the socket joint type rubber plugging head comprises a flange short section, an upper flange arranged at the upper end of the flange short section, a lower flange arranged at the lower end of the flange short section and used for being connected and fixed with a valve body to be replaced, a plugging body arranged in the flange short section, and a control rod which is arranged on the upper flange in a penetrating mode and connected with the plugging body in a threaded mode, wherein the plugging body comprises a T-shaped bolt piece, a funnel-shaped rubber plugging sleeve fixedly connected to the bottom of the bolt piece, and a frustum-shaped rubber expansion plug connected to the bolt rod of the bolt piece in a sliding mode, an outer thread is arranged on the bolt rod of the bolt piece, and a bidirectional thrust bearing type connector is arranged at the top of the; the lower end of the operating rod is provided with a cavity, and the inner wall of the cavity is provided with an inner wire matched with the outer wire on the bolt rod.
As an optimized scheme, a flange cover is arranged on the upper flange, a central hole for the operating rod to pass through is formed in the center of the flange cover, and a sight glass is arranged on the flange cover.
As an optimized scheme, a nitrogen interface is arranged on the flange cover, and an air inlet valve is arranged on the nitrogen interface; and an emptying connector is arranged on the flange short section, and an exhaust valve is arranged on the emptying connector.
Preferably, the bidirectional thrust bearing type adapter comprises a limiting sleeve arranged at the top of the rubber expansion plug and a bidirectional thrust ball bearing connected to the lower end of the operating rod.
The utility model relates to a beneficial effect of socket joint formula rubber shutoff head inflation formula shutoff frock does:
(1) valve replacement does not require tank and associated equipment to be shut down;
(2) the materials do not need to be emptied in the replacement process, and the belt pressure replacement without stopping conveying is realized;
(3) the tool is simple in structure and low in manufacturing cost.
Drawings
The utility model relates to a socket joint formula rubber shutoff head inflation formula shutoff frock does further explanation below with the attached drawing:
FIG. 1 is a schematic plane structure diagram of the expanding type plugging tool for the spigot-and-socket rubber plugging head;
FIG. 2 is a schematic view of the internal structure of the expanding type plugging tool for the spigot-and-socket rubber plugging head;
FIG. 3 is a schematic longitudinal section structure diagram of a plugging body in the expansion type plugging tool for the socket rubber plugging head;
fig. 4 is a perspective structure schematic diagram of an operating rod in the expanding type plugging tool for the socket type rubber plugging head.
In the figure:
1-flange short section; 11-an emptying connector and 12-an exhaust valve;
2-upper flange; 21-flange cover, 22-sight glass, 23-nitrogen interface and 24-air inlet valve;
3-lower flange;
4-plugging body; 41-bolt pieces, 42-rubber plugging sleeves and 43-rubber expansion plugs;
5-a joystick; 51-a cavity;
6-a two-way thrust bearing adapter; 61-a limit sleeve and 62-a bidirectional thrust ball bearing;
0-valve body to be replaced.
Detailed Description
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it is to be understood that the terms "left", "right", "front", "back", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Embodiment 1: as shown in fig. 1 to 4, the spigot-and-socket rubber plug expansion type plugging tool comprises a flange short section 1, an upper flange 2 arranged at the upper end of the flange short section 1, a lower flange 3 arranged at the lower end of the flange short section 1 and used for being connected and fixed with a valve body 0 to be replaced, a plugging body 4 arranged inside the flange short section 1, and a control lever 5 which is arranged on the upper flange 2 in a penetrating manner and is in threaded connection with the plugging body 4, wherein the plugging body 4 comprises a t-shaped bolt 41, a funnel-shaped rubber plugging sleeve 42 fixedly connected to the bottom of the bolt 41, a frustum-shaped rubber expansion plug 43 slidably connected to the bolt rod of the bolt 41, an external thread is arranged on the bolt rod of the bolt 41, and a bidirectional thrust bearing type adapter 6 is arranged at the top of the rubber expansion plug 43; the lower end of the operating rod 5 is provided with a cavity 51, and the inner wall of the cavity 51 is provided with an inner wire matched with the outer wire on the bolt rod. The bidirectional thrust bearing type adaptor 6 includes a stopper 61 provided on the top of the rubber expansion plug 43 and a bidirectional thrust ball bearing 62 attached to the lower end of the operating lever 5.
Embodiment 2: the expansion type plugging tool for the spigot-and-socket rubber plugging head is characterized in that a flange cover 21 is arranged on the upper flange 2, a central hole for the operating rod 5 to penetrate through is formed in the center of the flange cover 21, and a viewing mirror 22 is arranged on the flange cover 21. The remaining components and structures are as described in embodiment 1, but omitted.
Embodiment 3: the bell and spigot rubber plugging head expansion type plugging tool is characterized in that a nitrogen interface 23 is arranged on the flange cover 21, and an air inlet valve 24 is arranged on the nitrogen interface 23; the flange short section 1 is provided with an emptying connector 11, and the emptying connector 11 is provided with an exhaust valve 12. The remaining components and structures are as described in embodiment 1, but omitted.
The tool plugging principle is that under the pushing of the operating rod, the plugging body is transferred to the pipeline position in front of the valve to be replaced, then the plugging body is pushed by the operating rod and the bolt part of the plugging body through threads, the rubber head extrudes the plugging bowl to expand the plugging bowl, and the purpose of pipeline sealing is achieved. The specific implementation method for replacing the valve body comprises the following steps: closing the valve body and installing the tool on the valve body to be replaced; opening a nitrogen valve to fill nitrogen, and controlling the pressure of the nitrogen to be about 0.1 MPa; opening a valve body to be replaced, and controlling the gas in the tank to overflow by using the pressure of the nitrogen; the plugging body is gradually pushed to a pipeline in front of the valve to be replaced by using an operating rod through observation by a sight glass; rotating the operating rod to make the rubber plug extrude the rubber sleeve to expand and plug the pipeline; disassembling an old valve, opening a vent valve to vent, relieving pressure, observing for 5 minutes to confirm that the valve body to be replaced is completely plugged without leakage, disassembling the connection between the valve body to be replaced and the flange, and removing the flange gasket and the valve from the pipeline valve; replacing the valve; hoisting the old valve and the flange short section together along the operating rod by using a portal frame; replacing the valve gasket; connecting the new valve to a flange tool when the new valve reaches a full-open position, installing an operating rod, and fastening a connecting bolt of the new valve and a pipeline flange; rotating the operating lever to ensure that the rubber sleeve is not extruded and expanded any more; after the pipeline is completely plugged, the operating rod is rotated in the opposite direction, and when the plugging body completely returns to the upper part of the valve cavity of the new valve, the new valve is closed; and opening the emptying valve to release the pressure, and dismantling the tool.
The expansion type plugging tool for the socket rubber plugging head is simple in structure and low in manufacturing cost, and in the process of replacing the valve body, the tank body and associated equipment do not need to be stopped, materials do not need to be emptied, and therefore continuous conveying and belt pressure replacement are achieved.
The above description shows the main features, the basic principles, and the advantages of the invention. It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments or examples, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The foregoing embodiments or examples are therefore to be considered in all respects illustrative and not restrictive. The scope of the invention is indicated by the appended claims rather than by the foregoing description, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. The utility model provides a socket joint formula rubber shutoff head inflation formula shutoff frock, characterized by: comprises a flange short section (1), an upper flange (2) arranged at the upper end of the flange short section (1), a lower flange (3) arranged at the lower end of the flange short section (1) and used for being fixedly connected with a valve body (0) to be replaced, a plugging body (4) arranged inside the flange short section (1), and a control lever (5) which is arranged on the upper flange (2) in a penetrating way and is in threaded connection with the plugging body (4), wherein,
the blocking body (4) comprises a T-shaped bolt piece (41), a funnel-shaped rubber blocking sleeve (42) fixedly connected to the bottom of the bolt piece (41), and a frustum-shaped rubber expansion plug (43) connected to the bolt rod of the bolt piece (41) in a sliding manner, wherein an outer thread is arranged on the bolt rod of the bolt piece (41), and the top of the rubber expansion plug (43) is provided with a bidirectional thrust bearing type adapter (6);
the lower end of the operating rod (5) is provided with a cavity (51), and the inner wall of the cavity (51) is provided with an inner wire matched with the outer wire on the bolt rod.
2. The socket type rubber plugging head expansion type plugging tool according to claim 1, which is characterized in that: the upper flange (2) is provided with a flange cover (21), the center of the flange cover (21) is provided with a central hole for the operating rod (5) to pass through, and the flange cover (21) is provided with a sight glass (22).
3. The socket type rubber plugging head expansion type plugging tool according to claim 2, which is characterized in that: the flange cover (21) is provided with a nitrogen interface (23), and the nitrogen interface (23) is provided with an air inlet valve (24); the flange short section (1) is provided with an emptying connector (11), and the emptying connector (11) is provided with an exhaust valve (12).
4. The socket type rubber plug expansion type plugging tool according to any one of claims 1 to 3, which is characterized in that: the bidirectional thrust bearing type adapter (6) comprises a limiting sleeve (61) arranged at the top of the rubber expansion plug (43) and a bidirectional thrust ball bearing (62) connected to the lower end of the operating rod (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020581961.7U CN212107454U (en) | 2020-04-19 | 2020-04-19 | Socket joint formula rubber shutoff head inflation formula shutoff frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020581961.7U CN212107454U (en) | 2020-04-19 | 2020-04-19 | Socket joint formula rubber shutoff head inflation formula shutoff frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212107454U true CN212107454U (en) | 2020-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020581961.7U Active CN212107454U (en) | 2020-04-19 | 2020-04-19 | Socket joint formula rubber shutoff head inflation formula shutoff frock |
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| CN (1) | CN212107454U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113005913A (en) * | 2021-03-15 | 2021-06-22 | 中铁七局集团有限公司 | Quick plugging device of bridge outlet |
-
2020
- 2020-04-19 CN CN202020581961.7U patent/CN212107454U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113005913A (en) * | 2021-03-15 | 2021-06-22 | 中铁七局集团有限公司 | Quick plugging device of bridge outlet |
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