CN221097519U - Machining structure capable of compensating deformation of valve body of hard sealing gate valve - Google Patents
Machining structure capable of compensating deformation of valve body of hard sealing gate valve Download PDFInfo
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- CN221097519U CN221097519U CN202322692757.9U CN202322692757U CN221097519U CN 221097519 U CN221097519 U CN 221097519U CN 202322692757 U CN202322692757 U CN 202322692757U CN 221097519 U CN221097519 U CN 221097519U
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- valve
- valve body
- flashboard
- deformation
- sealing
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- 238000007789 sealing Methods 0.000 title claims abstract description 46
- 238000003754 machining Methods 0.000 title claims description 5
- 238000012545 processing Methods 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 238000012856 packing Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 5
- 239000000945 filler Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of sealing gate valves, in particular to a processing structure for compensating the deformation of a valve body of a hard sealing gate valve, which is characterized in that the deformation is measured by pre-pressurizing the valve body, and a valve seat is finely processed according to the deformation, so that the processed valve body can compensate the wedge angle error of the valve seat and a flashboard, the flashboard can be tightly attached to the valve seat, and the sealing can be ensured under high pressure; the valve comprises a valve body, valve seats, a valve cover, a transmission mechanism, a flashboard and a valve rod, wherein a group of valve seats are respectively arranged at the left and right sides of the middle part in the valve body, the flashboard is positioned between the two groups of valve seats, the left and right end faces of the flashboard are clung to the two groups of valve seats, the valve cover is arranged on the valve body, and the upper part of the valve rod penetrates through the upper end face of the valve cover to be connected with the transmission mechanism; the valve seat and the flashboard are arranged at the left end and the right end of the flashboard respectively, a wedge angle matched with the flashboard is formed between the sealing surfaces of the two groups, and the valve seat is subjected to secondary processing before integral installation.
Description
Technical Field
The utility model relates to the technical field of sealing gate valves, in particular to a processing structure for compensating deformation of a valve body of a hard sealing gate valve.
Background
The processing structure with the function of compensating the deformation of the valve body of the hard sealing gate valve is an auxiliary device for controlling the opening and closing of a pipeline, and is widely used in the field of sealing gate valves; the existing processing structure for compensating the deformation of the valve body of the hard seal gate valve comprises a valve body, valve seats, a valve cover, a transmission mechanism, a gate plate and a valve rod, wherein a group of connecting ports are respectively arranged at the left and right sides of the valve body; when the existing processing structure for compensating the deformation of the valve body of the hard sealing gate valve is used, firstly, the transmission mechanism drives the gate plate to lift in the valve body through the valve rod, the left pipeline and the right pipeline of the valve body are communicated after the gate plate ascends, and when the gate plate descends to the bottom in the valve body, the left pipeline and the right pipeline of the valve body are disconnected; the prior processing structure with the function of compensating the deformation of the valve body of the hard sealing gate valve is found in use, and the valve seat is deformed along with the pressure rise in the use process, so that the tightness between the gate plate and the valve seat is reduced, and the normal use of the device is affected.
Disclosure of utility model
In order to solve the technical problems, the utility model provides a processing structure with the function of compensating the deformation of a valve body of a hard seal gate valve, which is used for measuring the deformation of the valve body by pre-pressurizing and finely processing the valve seat according to the deformation, so that the wedge angle error of the valve seat and a flashboard can be compensated by the processed valve body, the flashboard can be tightly attached to the valve seat, and the valve body of the hard seal gate valve can be sealed under high pressure.
The utility model relates to a processing structure capable of compensating the deformation of a valve body of a hard seal gate valve, which comprises a valve body, valve seats, valve covers, a transmission mechanism, a gate plate and a valve rod, wherein a group of connecting ports are respectively arranged at the left and right sides of the valve body; the valve seat and the flashboard are arranged at the left end and the right end of the flashboard, the left end and the right end of the flashboard are respectively provided with a certain inclination angle, a wedge angle matched with the flashboard is formed between the sealing surfaces of the two groups, and the valve seat is subjected to secondary processing before integral installation; the valve seat and the flashboard are arranged at the same angle, so that the valve is conveniently opened and closed, the labor intensity of an operator for opening and closing the valve is reduced, and the sealing surface of the valve seat is subjected to secondary processing before installation according to the pressurized deformation of the valve body, so that the valve body can compensate the wedge angle error of the valve body and the flashboard after being put into use, and the tightness between the valve seat and the flashboard is improved.
Preferably, the valve further comprises a connector, wherein the connector is connected with the upper end face of the valve body, and the upper end face of the connector is connected with the lower end face of the valve cover; inside can enter into the connector through the flashboard in the lift process to reduce the overall design height on valve body upper portion, be convenient for maintain the in-process to observe the maintenance to the valve body inside through the upper portion of valve body, improved the practicality of device.
Preferably, the valve rod also comprises a bracket, wherein the upper part of the bracket is connected with the transmission mechanism, the lower part of the bracket is connected with the upper end face of the valve cover, and the upper part of the valve rod passes through the middle part of the bracket to be connected with the output end of the transmission mechanism; the valve rod is separated from the valve cover through the bracket processing transmission mechanism, so that part of the valve rod is exposed outside the equipment, the required design length of the valve cover is reduced, the production cost of the device is reduced, and the economical efficiency and the practicability of the device are improved.
Preferably, the connector further comprises a plurality of groups of cross beams and upright posts connected to the outer side end surface of the connector; through multiunit crossbeam and stand of connecting on the connector outside terminal surface, increase the bulk strength of connector, improved the connection stability between the device.
Preferably, the connector further comprises sealing grooves arranged on the upper end face and the lower end face of the connector, and sealing gaskets are arranged in the sealing grooves; the sealing grooves on the upper end face and the lower end face of the connector and the sealing gaskets in the upper end face and the lower end face of the connector are used for improving the sealing performance of connection between the upper end face and the lower end face of the connector and the valve cover and the valve rod.
Preferably, the valve further comprises a sealing filler arranged between the valve rod and the valve cover; the sealing filler between the valve rod and the valve cover realizes the sealing of the middle cavity, and the practicability of the device is improved.
Preferably, the power input shaft of 08 is perpendicular to 04; the power input shaft of the transmission mechanism is horizontally arranged, and the handle is connected to the transmission mechanism, so that an operator can conveniently open and close the large valve, and the practicability of the device is improved.
Compared with the prior art, the utility model has the beneficial effects that: the valve seat and the flashboard are arranged at the same angle, so that the valve is conveniently opened and closed, the labor intensity of an operator for opening and closing the valve is reduced, and the sealing surface of the valve seat is subjected to secondary processing before installation according to the pressurized deformation of the valve body, so that the valve body can compensate the wedge angle error of the valve body and the flashboard after being put into use, and the tightness between the valve seat and the flashboard is improved.
Drawings
FIG. 1 is a schematic view of a first cross-sectional structure of the present utility model;
FIG. 2 is a schematic diagram of a second cross-sectional structure of the present utility model;
FIG. 3 is a schematic view of a partial enlarged structure of a seal groove of a connector;
FIG. 4 is a schematic view of a partially enlarged structure of a contact portion of a shutter plate with a valve seat bottom;
FIG. 5 is a schematic view of a partial enlarged construction of the inner bottom of the valve body;
The reference numerals in the drawings: 1. a valve body; 2. a valve seat; 3. a flashboard; 4. a valve stem; 5. a connector; 6. a valve cover; 7. a bracket; 8. a transmission mechanism; 9. a jack; 10. sealing grooves; 11. and a sealing gasket.
Description of the embodiments
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Examples
The gate valve with the pre-deformation processing technology as shown in fig. 1 comprises a valve body 01, a valve seat 02, a flashboard 03, a valve cover 06, a valve rod 04, a connector 05, a bracket 07 and a transmission mechanism 08
The valve further comprises a connector 05, wherein the connector 05 is connected with the upper end face of the valve body 01, and the upper end face of the connector 05 is connected with the lower end face of the valve cover 06
The valve rod device further comprises a support 07, wherein the upper part of the support 07 is connected with the transmission mechanism 08, the lower part of the support 07 is connected with the upper end face of the valve cover 06, and the upper part of the valve rod 04 penetrates through the middle part of the support 07 to be connected with the output end of the transmission mechanism 08.
And a plurality of groups of cross beams and upright posts are connected to the outer side end surface of the connector 05.
And sealing grooves are arranged on the upper end face and the lower end face of the connector 05, and sealing gaskets are arranged in the sealing grooves.
Also included is the installation of a packing between the valve stem 04 and the bonnet 06.
The power input shaft of 08 is perpendicular to 04.
The flashboard 03 adopts a rigid wedge flashboard, the valve seat 02 is embedded in a radial step of an inlet channel port and an outlet channel port of the inner cavity of the valve body 01, a wedge angle matched with the flashboard 03 is formed between a valve seat sealing surface in the inlet channel and a valve seat sealing surface in the outlet channel, the valve seat 02 and the flashboard 03 are tightly attached to ensure sealing, the lower end of the valve rod 04 is connected with the upper end of the flashboard 03, the upper end is connected with a transmission mechanism 08 fixedly arranged on the bracket 07, a sealing filler is arranged between the valve rod 04 and the valve cover 06, and the sealing of the middle cavity is realized
Examples
As shown in fig. 2, the deformation of the flange in the valve body 01 is measured, the flange in the valve body 01 is jacked up by a certain pre-deformation size by a jack 09, then the valve seat size a is processed, the jack 09 can be removed after the processing of the upper sealing surface and the lower sealing surface is completed, the valve body after the pre-deformation processing is arranged on the whole machine as shown in fig. 1, the valve seat size a is deformed to the size jacked up by the jack along with the increase of pressure, so that the wedge angle error between the valve seat and the valve clack is eliminated, and the gap generated by deformation is compensated. The flashboard 03 is tightly combined with the sealing surface of the valve seat 02, so that the sealing performance is improved.
As shown in fig. 1 to 5, in the working structure for compensating the deformation of the valve body of the hard seal gate valve, firstly, a valve seat 02 is embedded into the valve body 01, then a connector 05 is installed on the valve body 01, a valve cover 06 is installed on the connector 05, a bracket 07 is installed on the valve cover 06, a valve rod 04 is installed inside the valve cover 06, then the valve body 01 is pressurized to the required working pressure, the deformation of the valve body 01 is tested, then the two sealing surfaces of the valve body are jacked up by a jack by a certain size, then the size of the valve seat is finished, the jack is removed after the size of the valve seat is finished, and a flashboard is installed inside the valve body 01 and connected with the valve rod 04.
All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (7)
1. A processing structure capable of compensating the deformation of a valve body of a hard seal gate valve comprises a valve body (01), a valve seat (02), a valve cover (06), a transmission mechanism (08), a flashboard (03) and a valve rod (04); the valve seat (02) and the flashboard (03) are characterized by further comprising the valve seat (02), the left and right groups of valve seats (02) form a certain inclination angle with the vertical central line, the left and right ends of the flashboard (03) are respectively provided with a certain inclination angle, wedge angles matched with the flashboard (03) are formed between sealing surfaces of the two groups, and the valve seat (02) is subjected to secondary machining before being integrally installed.
2. The processing structure with the function of compensating the deformation of the valve body of the hard sealing gate valve according to claim 1, further comprising a connector (05), wherein the connector (05) is connected with the upper end surface of the valve body (01), and the upper end surface of the connector (05) is connected with the lower end surface of the valve cover (06).
3. A processing structure with compensation of deformation of a valve body of a hard sealing gate valve as claimed in claim 1, further comprising a bracket (07), wherein an upper part of the bracket (07) is connected with the transmission mechanism (08), a lower part of the bracket (07) is connected with an upper end surface of the valve cover (06), and an upper part of the valve rod (04) passes through a middle part of the bracket (07) to be connected with an output end of the transmission mechanism (08).
4. A machining structure with the function of compensating for the deformation of the valve body of a hard seal gate valve according to claim 1, further comprising a plurality of sets of cross beams and posts connected to the outer end face of the connector (05).
5. The machining structure with the function of compensating for the deformation of the valve body of the hard sealing gate valve according to claim 1, further comprising sealing grooves arranged on the upper end face and the lower end face of the connector (05), and sealing gaskets arranged in the sealing grooves.
6. A tooling structure having the function of compensating for the deformation of a valve body of a hard seal gate valve as set forth in claim 1, further comprising the step of installing a packing between the valve stem (04) and the valve cover (06).
7. A processing structure with compensation for the deformation of the valve body of a hard seal gate valve according to claim 1, characterized in that it further comprises a handle connected to the input of the transmission (08), the power input shaft of the transmission (08) being perpendicular to the valve stem (04).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322692757.9U CN221097519U (en) | 2023-10-09 | 2023-10-09 | Machining structure capable of compensating deformation of valve body of hard sealing gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322692757.9U CN221097519U (en) | 2023-10-09 | 2023-10-09 | Machining structure capable of compensating deformation of valve body of hard sealing gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221097519U true CN221097519U (en) | 2024-06-07 |
Family
ID=91327894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322692757.9U Active CN221097519U (en) | 2023-10-09 | 2023-10-09 | Machining structure capable of compensating deformation of valve body of hard sealing gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221097519U (en) |
-
2023
- 2023-10-09 CN CN202322692757.9U patent/CN221097519U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant |