CN210770763U - Bellows of gate valve - Google Patents

Bellows of gate valve Download PDF

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Publication number
CN210770763U
CN210770763U CN201921951124.2U CN201921951124U CN210770763U CN 210770763 U CN210770763 U CN 210770763U CN 201921951124 U CN201921951124 U CN 201921951124U CN 210770763 U CN210770763 U CN 210770763U
Authority
CN
China
Prior art keywords
gate valve
bellows
rotating ring
shaping
polyethylene
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201921951124.2U
Other languages
Chinese (zh)
Inventor
吴平阳
吴文涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Keyuan Valve Manufacturing Co ltd
Original Assignee
Jiangsu Keyuan Valve Manufacturing Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Keyuan Valve Manufacturing Co ltd filed Critical Jiangsu Keyuan Valve Manufacturing Co ltd
Priority to CN201921951124.2U priority Critical patent/CN210770763U/en
Application granted granted Critical
Publication of CN210770763U publication Critical patent/CN210770763U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a bellows of gate valve, including body, adapter sleeve and swivel becket, body one end shaping has the adapter sleeve, the adapter sleeve outside is provided with the swivel becket, swivel becket outside shaping has the bolt housing, the adapter sleeve is close to swivel becket one side shaping has the sliding tray. Has the advantages that: the utility model discloses a joint pipe, sliding tray, rotating ring and the bolt cover that set up for threaded connection or bolted connection can be selected to the bellows when being connected with the gate valve, makes installer can select suitable connected mode when the installation according to actual conditions, guarantees the installation effectiveness.

Description

Bellows of gate valve
Technical Field
The utility model relates to a bellows field, concretely relates to bellows of gate valve.
Background
The opening and closing piece of the corrugated pipe gate valve is a plug-shaped valve clack, the sealing surface is a plane or a conical surface, and the valve clack moves linearly along the central line of fluid. The movement form of the valve rod is a lifting rod type (the valve rod is lifted, the hand wheel is not lifted), and a lifting rotating rod type (the hand wheel and the valve rod rotate together to lift, and the nut is arranged on the valve body). The bellows stop valve is only suitable for full opening and full closing, and does not allow adjustment and throttling. The valve of this type should be generally installed horizontally in the pipeline. The gate valve connects the corrugated pipes, and can convey or sleeve different materials.
The current gate valve bellows is with the gate valve junction, either through threaded connection, or connect through the bolt, can not unify two kinds of connected modes for installer can not select suitable connected mode according to actual conditions when the installation, influences the installation effectiveness, consequently needs a utility model to solve current problem.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to overcome prior art not enough, the bellows of a gate valve has now been proposed, has solved current gate valve bellows and gate valve junction, or through threaded connection, or connect through the bolt, can not unify two kinds of connected modes for installer can not select suitable connected mode according to actual conditions when the installation, influences the problem of installation effectiveness.
(II) technical scheme
The utility model discloses a following technical scheme realizes: the utility model provides a bellows of gate valve, including body, adapter sleeve and swivel becket, body one end shaping has the adapter sleeve, the adapter sleeve outside is provided with the swivel becket, swivel becket outside shaping has the bolt housing, the adapter sleeve is close to swivel becket one side shaping has the sliding tray, the inboard shaping of adapter sleeve has the internal thread, internal thread one side shaping has the sealing strip recess.
Further, the outer polyethylene layer is arranged on the outer side of the pipe body, a steel belt is arranged on the inner side of the outer polyethylene layer, a polyethylene inner layer is arranged on the inner side of the steel belt, filling resin is filled on the outer side of the steel belt, and an anti-corrosion coating is coated on the inner side of the polyethylene inner layer.
By adopting the technical scheme, the anti-corrosion coating can ensure that the inner side of the pipe body has good anti-corrosion performance, and the pipe body is prevented from being corroded and damaged.
Further, the polyethylene outer layer is bonded with the filling resin, and the polyethylene inner layer is bonded with the filling resin.
By adopting the technical scheme, the filling resin can fill and protect the steel belt, so that the steel belt can fully play a role.
Furthermore, the steel strip is U-shaped, the rotating ring is connected with the joint pipe through the sliding groove, and the rotating ring is connected with the sliding groove in a sliding mode.
By adopting the technical scheme, the rotating ring can rotate along the sliding groove, so that the position of the bolt sleeve on the rotating ring is adjusted.
Furthermore, the bolt cover has four, sealing strip recess cross-section is semi-circular, the material of swivel becket is the refined steel.
By adopting the technical scheme, the bolt sleeve can limit and fix the screw rod.
Further, the bolt sleeve is made of fine steel, and the inner side face of the bolt sleeve is a smooth face.
Through adopting above-mentioned technical scheme, the nut is installed to bolt housing opposite side, and then can fix the screw.
Further, the steel belt has better elasticity.
By adopting the technical scheme, the steel belt can deform along the pipe body in the length direction under the action of high pressure, so that the pipe body has certain elastic deformation.
(III) advantageous effects
Compared with the prior art, the utility model, following beneficial effect has:
for solving current gate valve bellows with the gate valve junction, either through threaded connection, or connect through the bolt, can not unify two kinds of connected modes for installer can not select suitable connected mode according to actual conditions when the installation, influences the problem of installation effectiveness, the utility model discloses a joint pipe, sliding tray, swivel ring and the bolt housing that set up for the bellows can select threaded connection or bolted connection when being connected with the gate valve, makes installer can select suitable connected mode according to actual conditions when the installation, guarantees installation effectiveness.
Drawings
Fig. 1 is a front view of a bellows of a gate valve according to the present invention;
fig. 2 is an enlarged sectional view of a bellows of the gate valve of the present invention at a point a in fig. 1;
fig. 3 is a main sectional view of the joint pipe in the bellows of the gate valve according to the present invention.
The reference numerals are explained below:
1. a pipe body; 2. a joint pipe; 3. an outer polyethylene layer; 4. an inner polyethylene layer; 5. an anti-corrosion coating; 6. a steel belt; 7. filling resin; 8. a sealing strip groove; 9. a sliding groove; 10. a rotating ring; 11. a bolt sleeve; 12. an internal thread.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 to 3, the corrugated pipe of the gate valve of this embodiment includes a pipe body 1, a connector pipe 2 and a rotating ring 10, an outer polyethylene layer 3 is disposed outside the pipe body 1, a steel strip 6 is disposed inside the outer polyethylene layer 3, an inner polyethylene layer 4 is disposed inside the steel strip 6, a filling resin 7 is filled outside the steel strip 6, an anti-corrosion coating 5 is coated inside the inner polyethylene layer 4, the outer polyethylene layer 3 is glued to the filling resin 7, the inner polyethylene layer 4 is glued to the filling resin 7, the steel strip 6 is U-shaped, the rotating ring 10 is connected to the connector pipe 2 through a sliding groove 9, the rotating ring 10 is slidably connected to the sliding groove 9, four bolt sleeves 11 are provided, the cross section of each seal strip groove 8 is semicircular, the rotating ring 10 is made of fine steel, the bolt sleeve 11 is made of fine steel, the inner side surface of the bolt sleeve 11 is a smooth surface, and.
As shown in fig. 1 to fig. 3, in this embodiment, a joint pipe 2 is formed at one end of a pipe body 1, a rotating ring 10 is disposed on the outer side of the joint pipe 2, a bolt sleeve 11 is formed on the outer side of the rotating ring 10, a sliding groove 9 is formed on one side of the joint pipe 2 close to the rotating ring 10, an internal thread 12 is formed on the inner side of the joint pipe 2, a sealing strip groove 8 is formed on one side of the internal thread 12, and through the joint pipe 2, the sliding groove 9, the rotating ring 10 and the bolt sleeve 11, when the corrugated pipe is connected with a gate valve, a threaded connection or a bolt connection can be selected, so that an installer can select a proper connection mode according to actual conditions during installation.
The specific implementation process of this embodiment is as follows: when the corrugated pipe is used, the pipe body 1 is connected with a gate valve through the joint pipe 2, when threaded connection is needed, the pipe body is connected with the gate valve through the internal threads 12, the sealing rubber ring can be clamped into the sealing strip groove 8, the gate valve is tightly connected with the pipe body 1, when the threaded connection is needed, a bolt on the gate valve penetrates through the bolt sleeve 11, a nut is sleeved on the bolt, the pipe body 1 is further connected with the gate valve, the corrugated pipe is connected with the gate valve through the joint pipe 2, the sliding groove 9, the rotating ring 10 and the bolt sleeve 11, when the corrugated pipe is connected with the gate valve, threaded connection or bolted connection can be selected, an installer can select a proper connection mode according to actual conditions when the corrugated pipe is installed, and installation efficiency is guaranteed.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.

Claims (7)

1. A bellows of gate valve which characterized in that: including body (1), joint pipe (2) and rotating ring (10), body (1) one end shaping has joint pipe (2), it is provided with to connect the pipe (2) outside rotating ring (10), rotating ring (10) outside shaping has bolt cover (11), joint pipe (2) are close to rotating ring (10) one side shaping has sliding tray (9), joint pipe (2) inboard shaping has internal thread (12), internal thread (12) one side shaping has sealing strip recess (8).
2. The bellows of a gate valve of claim 1, wherein: the outer (3) of polyethylene is provided with in body (1) outside, outer (3) inboard of polyethylene is provided with steel band (6), steel band (6) inboard is provided with polyethylene inlayer (4), the packing has filling resin (7) in steel band (6) outside, polyethylene inlayer (4) inboard coating has anticorrosion coating (5).
3. The bellows of a gate valve of claim 2, wherein: the polyethylene outer layer (3) is bonded with the filling resin (7), and the polyethylene inner layer (4) is bonded with the filling resin (7).
4. The bellows of a gate valve of claim 3, wherein: the steel belt (6) is U-shaped, the rotating ring (10) is connected with the joint pipe (2) through the sliding groove (9), and the rotating ring (10) is connected with the sliding groove (9) in a sliding mode.
5. The bellows of a gate valve of claim 4, wherein: the number of the bolt sleeves (11) is four, the cross section of the sealing strip groove (8) is semicircular, and the rotating ring (10) is made of fine steel.
6. The bellows of a gate valve of claim 5, wherein: the bolt sleeve (11) is made of fine steel, and the inner side surface of the bolt sleeve (11) is a smooth surface.
7. The bellows of a gate valve of claim 6, wherein: the steel belt (6) has good elasticity.
CN201921951124.2U 2019-11-13 2019-11-13 Bellows of gate valve Expired - Fee Related CN210770763U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921951124.2U CN210770763U (en) 2019-11-13 2019-11-13 Bellows of gate valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921951124.2U CN210770763U (en) 2019-11-13 2019-11-13 Bellows of gate valve

Publications (1)

Publication Number Publication Date
CN210770763U true CN210770763U (en) 2020-06-16

Family

ID=71048692

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921951124.2U Expired - Fee Related CN210770763U (en) 2019-11-13 2019-11-13 Bellows of gate valve

Country Status (1)

Country Link
CN (1) CN210770763U (en)

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200616