CN220204695U - Linear regulating stop valve with guiding function - Google Patents
Linear regulating stop valve with guiding function Download PDFInfo
- Publication number
- CN220204695U CN220204695U CN202321383287.1U CN202321383287U CN220204695U CN 220204695 U CN220204695 U CN 220204695U CN 202321383287 U CN202321383287 U CN 202321383287U CN 220204695 U CN220204695 U CN 220204695U
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- China
- Prior art keywords
- valve
- clack
- adjusting cylinder
- valve clack
- guide adjusting
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 abstract description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Lift Valve (AREA)
Abstract
The utility model relates to a linear regulating stop valve with a guiding function, which comprises a valve body, a valve clack, a valve rod, a valve cover, a bracket and a transmission mechanism, wherein a valve seat is arranged on a platform between an inlet channel and an outlet channel of the valve body; the method is characterized in that: a guide adjusting cylinder is arranged between the upper plane of the valve seat and the lower end surface of the valve cover, the inner wall of the guide adjusting cylinder is in dynamic sealing fit with the outer circular surface of the valve clack, and the accurate fit between the sealing surface of the valve clack and the sealing surface of the valve seat can be maintained in any direction and angle installation; the guide adjusting cylinder is provided with an axial linear flow hole, so that the moving distance of the valve clack and the flow are in linear relation. The device has the advantages of convenient installation, reliable sealing performance, high flow regulation precision, good linearity and the like.
Description
Technical Field
The utility model belongs to the field of valves, and particularly relates to a stop valve.
Background
The traditional stop valve is generally applicable to closing or opening of a medium pipeline, and structurally comprises a valve body, a valve clack, a valve rod, a valve cover, a support and a transmission mechanism, wherein a valve seat is arranged on a platform between an inlet channel and an outlet channel of the valve body, the lower end face of the valve clack and the valve seat are mutually matched to form a sealing pair, the upper end face of the valve clack is connected with one end of the valve rod, the other end of the valve rod penetrates through a valve rod nut on the valve cover and the support to be connected with the transmission mechanism, and the transmission mechanism drives the valve rod to move up and down to open or close the transmission valve clack. One of the disadvantages is: when the valve clack sealing surface is obliquely installed, the valve clack is easy to incline to one side due to a connecting gap between the valve clack and the valve rod, so that the central line between the valve clack sealing surface and the valve seat sealing surface is deviated, and the sealing performance of the sealing pair is affected; the second disadvantage is: when the valve clack is used for a pipeline regulating valve, the valve clack is easy to shake due to medium impact, the regulating precision is low, and the linearity is poor.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model provides the linear regulating stop valve with the guiding function, which can be installed in any direction and angle, has reliable sealing performance, high flow regulating precision and good linearity.
The technical scheme for realizing the utility model is as follows:
a linear regulating stop valve with guiding function comprises a valve body, a valve clack, a valve rod, a valve cover, a bracket and a transmission mechanism, wherein a valve seat is arranged on a platform between an inlet channel and an outlet channel of the valve body, the lower end surface of the valve clack is matched with the valve seat to form a sealing pair, the upper end surface of the valve clack is connected with one end of the valve rod, and the other end of the valve rod passes through the valve cover and a valve rod nut on the bracket to be connected with the transmission mechanism; the method is characterized in that: the valve seat is characterized in that a guide adjusting cylinder is arranged between the upper plane of the valve seat and the lower end face of the valve cover, the inner wall of the guide adjusting cylinder is in dynamic sealing fit with the outer circular face of the valve clack, a plurality of flow holes are formed in the circumferential direction of the guide adjusting cylinder, and the flow area of the guide adjusting cylinder is in direct proportion to the axial distance through the arrangement of the flow holes.
Preferably, a flexible connection structure is adopted between the valve clack and the valve rod, the flexible connection structure is formed by installing a clamp spring in a mounting hole on the back of the valve clack through a clamping ring, an inner hole of the clamp spring is clamped in an annular clamping groove at the lower end of the valve rod, the clamping ring is connected with an inner thread of the mounting hole on the back of the valve clack through an outer thread, and the clamp spring is pressed between the lower end surface of the clamping ring and a radial step in the mounting hole on the back of the valve clack.
Compared with the prior art, the utility model has the beneficial effects that: the guide adjusting cylinder is arranged on the outer circular surface of the valve clack, so that the accurate matching between the sealing surface of the valve clack and the sealing surface of the valve seat can be maintained when the valve clack is installed in any direction and angle; the guide adjusting cylinder is provided with an axial linear flow hole, so that the moving distance of the valve clack and the flow are in linear relation. The device has the advantages of convenient installation, reliable sealing performance, high flow regulation precision, good linearity and the like.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
In the figure: 1 valve body, 2 valve seat, 3 valve clack, 4 direction adjustment section of thick bamboo, 5 jump ring, 6 clamping rings, 7 valve rod, 8 valve gap, 9 support, 10 drive mechanism.
Description of the embodiments
The linear regulating stop valve with the guiding function shown in fig. 1 comprises a valve body 1, a valve clack 3, a valve rod 7, a valve cover 8, a bracket 9 and a transmission mechanism 10, wherein a valve seat 2 is arranged on a platform between inlet and outlet channels of the valve body 1, the lower end surface of the valve clack 3 and the valve seat 2 are mutually matched to form a sealing pair, the upper end surface is connected with one end of the valve rod 7, and the other end of the valve rod 7 passes through the valve cover 8 and a valve rod nut on the bracket 9 to be connected with the transmission mechanism 10; the method is characterized in that: a guide adjusting cylinder 4 is arranged between the upper plane of the valve seat 2 and the lower end surface of the valve cover 8, the inner wall of the guide adjusting cylinder 4 is in dynamic seal fit with the outer circular surface of the valve clack 3, so that the valve clack 3 is guided, the sealing surface of the valve clack 3 and the sealing surface of the valve seat 2 can be aligned and matched in any direction and angle in any installation of the valve body 1, the sealing performance is kept, the valve can be installed in any direction and angle, a horizontal transition pipeline is not required to be installed, and the installation is convenient; the circumference direction of the guide adjusting cylinder 4 is provided with a plurality of flow holes, the flow area of the flow holes on the guide adjusting cylinder 4 is in direct proportion to the axial distance of the flow holes, the opening height of the valve clack 3 is in direct proportion to the flow, the linear adjustment of the flow is realized, and the flow adjusting precision is high.
The valve clack 3 adopts flexible connection structure with the valve rod 7, flexible connection structure adopts jump ring 5 in the draw-in groove of valve rod 7 lower extreme to install in the mounting hole at valve clack 3 back through clamping ring 6 and constitutes, and clamping ring 5 hole clamping is in the annular draw-in groove of valve rod 7 lower extreme, and clamping ring 6 passes through the internal thread connection of external screw thread and valve clack 3 back mounting hole, and the annular plane pressure equipment of clamping ring 5 protrusion valve rod 7 draw-in groove part utilizes the elasticity of jump ring 5 between the radial step in terminal surface and valve clack 3 back mounting hole under clamping ring 6, realizes the sealed face of valve clack 3 and the sealed face flexible contact of disk seat 2, reduces the rigid collision of the sealed face of valve clack 3 and the sealed face of disk seat 2 when closing.
Claims (2)
1. A linear regulating stop valve with a guiding function comprises a valve body (1), a valve clack (3), a valve rod (7), a valve cover (8), a support (9) and a transmission mechanism (10), wherein a valve seat (2) is arranged on a platform between an inlet channel and an outlet channel of the valve body (1), the lower end surface of the valve clack (3) and the valve seat (2) are mutually matched to form a sealing pair, the upper end surface of the valve clack is connected with one end of the valve rod (7), and the other end of the valve rod (7) penetrates through a valve rod nut on the valve cover (8) and the support (9) to be connected with the transmission mechanism (10); the method is characterized in that: the valve seat is characterized in that a guide adjusting cylinder (4) is arranged between the upper plane of the valve seat (2) and the lower end face of the valve cover (8), the inner wall of the guide adjusting cylinder (4) is in dynamic sealing fit with the outer circular face of the valve clack (3), a plurality of flow holes are formed in the circumferential direction of the guide adjusting cylinder (4), and the flow area of the flow holes in the guide adjusting cylinder (4) is in direct proportion to the axial distance of the flow holes.
2. The linear-regulating shut-off valve with pilot function according to claim 1, characterized in that: adopt flexible connection structure between valve clack (3) and valve rod (7), flexible connection structure adopts and installs jump ring (5) in valve rod (7) lower extreme draw-in groove and pass through clamping ring (6) and install in the mounting hole at valve clack (3) back and constitute, and clamping ring (6) pass through the internal thread connection of external screw thread and valve clack (3) back mounting hole, the annular plane pressure equipment of jump ring (5) protrusion valve rod (7) draw-in groove part is between the radial step in terminal surface and valve clack (3) back mounting hole under clamping ring (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321383287.1U CN220204695U (en) | 2023-06-02 | 2023-06-02 | Linear regulating stop valve with guiding function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321383287.1U CN220204695U (en) | 2023-06-02 | 2023-06-02 | Linear regulating stop valve with guiding function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220204695U true CN220204695U (en) | 2023-12-19 |
Family
ID=89148443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321383287.1U Active CN220204695U (en) | 2023-06-02 | 2023-06-02 | Linear regulating stop valve with guiding function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220204695U (en) |
-
2023
- 2023-06-02 CN CN202321383287.1U patent/CN220204695U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |