CN215891134U - All-welded corrugated pipe forged steel stop valve - Google Patents
All-welded corrugated pipe forged steel stop valve Download PDFInfo
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- CN215891134U CN215891134U CN202122255817.1U CN202122255817U CN215891134U CN 215891134 U CN215891134 U CN 215891134U CN 202122255817 U CN202122255817 U CN 202122255817U CN 215891134 U CN215891134 U CN 215891134U
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Abstract
The invention relates to the technical field of valves, in particular to an all-welded corrugated pipe forged steel stop valve which comprises a valve body, a valve cover and a valve rod, wherein the valve body is horizontally arranged, a valve cavity is formed in the middle of the valve body, the valve cover is welded and fixed with the valve body, the valve rod is installed inside the valve body, the valve rod is sleeved with a corrugated pipe, one end of the corrugated pipe is fixedly installed between the valve cover and the valve body, and the other end of the corrugated pipe is fixedly connected with the side wall of the valve rod. This application has the effect that improves the leakproofness of being connected between valve gap and the valve body.
Description
Technical Field
The invention relates to the technical field of valves, in particular to an all-welded corrugated pipe forged steel stop valve.
Background
The corrugated pipe forged steel stop valve is a forced sealing type valve, compared with the traditional valve, the corrugated pipe is arranged in the corrugated pipe forged steel stop valve, and the lower end of the corrugated pipe is fixed on a valve rod and used for placing process fluid to corrode the valve rod. The other end of the corrugated pipe is arranged between the valve body and the valve cover to form a sealing structure, and the corrugated pipe is suitable for pipelines of steam, inflammable, explosive, heat conducting oil, high-purity, toxic and other media.
In the related art, a valve cover of the corrugated pipe forged steel stop valve is fixedly connected with a valve body through bolts.
In view of the above-mentioned related art, the inventor believes that, because the valve body and the valve cover are fixedly connected by the bolt, when in use, the medium is easy to leak outwards from the connection part of the valve body and the valve cover; once the bellows is lost efficacy, the medium can be direct and the filler contact, and its dynamic seal effect of current filler structure is poor, and the valve rod motion can lead to the medium to leak, and bellows forged steel stop valve generally is used for dangerous operating mode such as inflammable, explosive, poisonous, the medium leaks and can cause very big potential safety hazard.
Disclosure of Invention
In order to improve the leakproofness of being connected between valve gap and the valve body, this application provides the all-welded bellows forged steel stop valve.
The application provides an all-welded corrugated pipe forged steel stop valve adopts following technical scheme:
all-welded corrugated pipe forged steel stop valve, including valve body, valve gap and valve rod, the valve body is the level setting, the valve pocket has been seted up at the middle part of valve body, the valve gap with valve body welded fastening, the valve rod is installed inside the valve body, just the valve rod cover is equipped with the bellows, the one end fixed mounting of bellows the valve gap with between the valve body, the other end of bellows with the lateral wall fixed connection of valve rod.
Through adopting above-mentioned technical scheme, the valve gap is connected fixedly through welded fastening's mode with the valve body, can save the mode that uses the bolt to connect to be favorable to improving the leakproofness of being connected between valve gap and the valve body.
Optionally, a sealing ring is fixed to an end portion of the corrugated pipe located between the valve cover and the valve body.
Through adopting above-mentioned technical scheme, the setting of sealing washer is favorable to improving the leakproofness between valve rod and the valve body.
Optionally, a sealing groove is formed in the top of the valve body, and the sealing ring is clamped with the sealing groove.
Through adopting above-mentioned technical scheme, the area of contact of sealing washer and valve body can be improved in the setting of seal groove to further improve the leakproofness of being connected between valve body and the valve gap.
Optionally, one side of the sealing ring, which faces the sealing groove, is provided with a sealing surface, and the sealing surface is fixedly connected with the groove bottom of the sealing groove.
Through adopting above-mentioned technical scheme, the tank bottom fixed connection of sealed face and seal groove for the sealing washer can be better with valve body fixed connection, be favorable to improving the leakproofness of being connected between sealing washer and the valve body.
Optionally, welding seams are reserved at the joints of the valve cover and the valve body.
Through adopting above-mentioned technical scheme, the setting of weld can make things convenient for the staff with valve body and valve gap welded fastening, improves valve gap and valve body welded quality.
Optionally, a guide rod is fixed on the inner side wall of the valve cover, a guide groove is correspondingly formed in the surface of the valve rod, the length direction of the guide groove is the same as that of the valve rod, and the guide rod is in sliding fit with the guide groove.
Through adopting above-mentioned technical scheme, the cooperation setting of guide bar and guide way can carry on spacingly to the valve rod in length direction's removal, reduces the valve rod and rotates the condition emergence that causes the damage to the bellows at the in-process that moves along vertical direction.
Optionally, one end of the guide rod, which is far away from the valve cover, is rotatably provided with a guide wheel, and the guide wheel is in rolling connection with the guide groove.
Through adopting above-mentioned technical scheme, the setting of guide pulley can convert the sliding friction between guide bar and the guide way into the rolling friction between guide pulley and the guide way to be favorable to reducing the harm that the friction caused to the valve rod, improve the life of valve rod.
Optionally, the seal ring is made of a rubber material.
Through adopting above-mentioned technical scheme, the sealing washer that rubber materials made has better elasticity and gas tightness, is favorable to improving the gas tightness of being connected between sealing washer and valve gap and the valve body.
In summary, the present application includes at least one of the following beneficial technical effects:
the valve cover and the valve body are fixedly connected in a welding mode, so that a mode of connecting by using bolts can be omitted, and the sealing property of the connection between the valve cover and the valve body is improved;
the arrangement of the sealing ring is beneficial to improving the sealing property between the valve rod and the valve body;
due to the arrangement of the welding seam, the valve body and the valve cover can be conveniently welded and fixed by workers, and the welding quality of the valve cover and the valve body is improved;
the cooperation setting of guide bar and guide way can carry on spacingly to the valve rod in length direction's removal, reduces the valve rod and rotates the condition emergence that causes the damage to the bellows at the in-process that moves along vertical direction.
Drawings
FIG. 1 is a schematic structural section view of an all-welded corrugated pipe forged steel stop valve in the embodiment of the application.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Description of reference numerals:
1. a valve body; 2. a valve cover; 3. a valve stem; 4. a bellows; 5. a connecting ring; 6. a seal ring; 7. a sealing groove; 8. welding a seam; 9. a guide bar; 10. a guide groove; 11. and (4) a guide wheel.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses all-welded corrugated pipe forged steel stop valve. Referring to fig. 1, the all-welded bellows 4 forged steel stop valve includes a valve body 1, a bonnet 2, and a valve stem 3. The valve body 1 is the level setting, and the valve pocket has been seted up at the middle part of valve body 1, and valve gap 2 and valve body 1 welded fastening, and valve rod 3 installs inside valve body 1. The valve rod 3 is sleeved with a corrugated pipe 4, one end of the corrugated pipe 4 is fixed between the valve cover 2 and the valve body 1, the other end of the corrugated pipe 4 is fixed with a connecting ring 5, the connecting ring 5 is sleeved on the side wall of the valve rod 3, and the connecting ring 5 is fixedly connected with the side wall of the valve rod 3.
Referring to fig. 1, a sealing ring 6 is connected to an end of the bellows 4 away from the connection ring 5, and the sealing ring 6 is made of a rubber material. The top of valve body 1 has seted up seal groove 7, and sealing washer 6 cooperates with 7 joint in seal groove. One side of the sealing ring 6 facing the sealing groove 7 is set to be a sealing surface, and the sealing surface is fixedly bonded with the groove bottom of the sealing groove 7. Therefore, the sealing ring 6 can be better fixed with the sealing groove 7, and the sealing property between the sealing ring 6 and the valve body 1 is improved.
During the installation, earlier with sealing washer 6 and the cooperation of 7 joints of seal groove, then fix sealing washer 6 through bonding for sealing washer 6 is fixed with valve body 1, then is cooperating the installation with valve body 1 and valve gap 2, and carries out welded fastening to valve body 1 and valve gap 2, accomplishes the installation.
Referring to fig. 1, in order to improve the welding quality between the valve body 1 and the valve cover 2, a welding seam 8 is reserved at the joint of the valve body 1 and the valve cover 2. Specifically, the weld line 8 is formed along the inner side of the valve body 1 and is inclined and enlarged toward the outer side wall. When welding, splice valve body 1 and valve gap 2 each other earlier for the weld 8 of valve body 1 and the weld 8 of valve gap 2 aim at each other, thereby make things convenient for the staff to weld valve body 1 and valve gap 2, also make things convenient for the staff to inspect the welding position, thereby be favorable to improving the welding quality of valve gap 2 and valve body 1.
Referring to fig. 1 and 2, in order to prolong the service life of the bellows 4, a guide rod 9 is fixedly connected to the inner side wall of the bonnet 2, and the guide rod 9 is perpendicular to the axial line of the bonnet 2. Specifically, one end of the guide rod 9 is fixedly connected with the inner side wall of the valve cover 2. The lateral wall of the valve rod 3 is correspondingly provided with a guide groove 10, and the length direction of the guide groove 10 is the same as that of the valve rod 3. The guide rod 9 is matched with the guide groove 10 in a sliding mode, and the sliding direction of the guide rod 9 is the same as the length direction of the guide groove 10. The cooperation setting of guide bar 9 and guide way 10 can carry on spacingly to valve rod 3 in length direction's removal, reduces valve rod 3 and rotates the condition emergence that causes the damage to bellows 4 along the in-process that vertical direction removed.
Referring to fig. 2, a guide wheel 11 is rotatably mounted at one end of the guide rod 9 far away from the valve cover 2, and the guide wheel 11 is in rolling connection with the groove wall of the guide groove 10. The arrangement of the guide wheel 11 can convert the sliding friction between the guide rod 9 and the guide groove 10 into the rolling friction between the guide wheel and the guide groove 10, thereby being beneficial to reducing the damage to the valve rod 3 caused by the friction and prolonging the service life of the valve rod 3.
The implementation principle of the 4 forged steel stop valves of all-welded bellows of this application embodiment is:
the valve cover 2 and the valve body 1 are fixedly connected in a welding fixing mode, and a mode of connecting by using bolts can be omitted, so that the sealing performance between the valve cover 2 and the valve body 1 is improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The all-welded corrugated pipe forged steel stop valve is characterized in that: including valve body (1), valve gap (2) and valve rod (3), valve body (1) is the level setting, the valve pocket has been seted up at the middle part of valve body (1), valve gap (2) with valve body (1) welded fastening, install valve rod (3) valve body (1) is inside, just valve rod (3) cover is equipped with bellows (4), the one end fixed mounting of bellows (4) valve gap (2) with between valve body (1), the other end of bellows (4) with the lateral wall fixed connection of valve rod (3).
2. The all-welded bellows forged steel shut-off valve of claim 1, wherein: and a sealing ring (6) is fixed at the end part of the corrugated pipe (4) between the valve cover (2) and the valve body (1).
3. The all-welded bellows forged steel shut-off valve of claim 2, wherein: the top of the valve body (1) is provided with a sealing groove (7), and the sealing ring (6) is clamped with the sealing groove (7).
4. The all-welded bellows forged steel shut-off valve of claim 3, wherein: one side, facing the sealing groove (7), of the sealing ring (6) is provided with a sealing surface, and the sealing surface is fixedly connected with the groove bottom of the sealing groove (7).
5. The all-welded bellows forged steel shut-off valve of claim 1, wherein: welding seams (8) are reserved at the joints of the valve cover (2) and the valve body (1).
6. The all-welded bellows forged steel shut-off valve of claim 1, wherein: the inside wall of valve gap (2) is fixed with guide bar (9), guide way (10) have been seted up to the surface correspondence of valve rod (3), the length direction of guide way (10) with the length direction of valve rod (3) is the same, guide bar (9) with guide way (10) sliding fit.
7. The all-welded bellows forged steel shut-off valve of claim 6, wherein: and one end of the guide rod (9) far away from the valve cover (2) is rotatably provided with a guide wheel (11), and the guide wheel (11) is in rolling connection with the guide groove (10).
8. The all-welded bellows forged steel shut-off valve of claim 2, wherein: the sealing ring (6) is made of rubber materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122255817.1U CN215891134U (en) | 2021-09-17 | 2021-09-17 | All-welded corrugated pipe forged steel stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122255817.1U CN215891134U (en) | 2021-09-17 | 2021-09-17 | All-welded corrugated pipe forged steel stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215891134U true CN215891134U (en) | 2022-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122255817.1U Active CN215891134U (en) | 2021-09-17 | 2021-09-17 | All-welded corrugated pipe forged steel stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215891134U (en) |
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2021
- 2021-09-17 CN CN202122255817.1U patent/CN215891134U/en active Active
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