CN218177938U - Positioning and locking device of vacuum stop valve - Google Patents
Positioning and locking device of vacuum stop valve Download PDFInfo
- Publication number
- CN218177938U CN218177938U CN202222424614.5U CN202222424614U CN218177938U CN 218177938 U CN218177938 U CN 218177938U CN 202222424614 U CN202222424614 U CN 202222424614U CN 218177938 U CN218177938 U CN 218177938U
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- stop valve
- positioning
- vacuum stop
- ring
- locking device
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Abstract
The utility model discloses a location and locking device of vacuum stop valve, including thumb screw, holding ring and damping locking ring, thumb screw's screw rod passes the holding ring, and the holding ring is located to the damping locking ring cover outside, and thumb screw's screw rod free end and vacuum stop valve's valve rod assembly threaded connection, and the valve rod assembly of vacuum stop valve is hugged closely to damping locking ring one end. The utility model realizes the radial positioning of the screw rod of the DN25 vacuum stop valve, reduces the failure condition of the corrugated pipe and effectively prolongs the service life of the valve; realize DN25 vacuum stop valve screw rod axial locking, guarantee the operating mode stability of valve under "adjustment state", promote the security of professional equipment and system.
Description
Technical Field
The utility model belongs to the technical field of vacuum pipeline valve equipment uses, concretely relates to location and locking device of vacuum stop valve.
Background
The utility model relates to a positioner that current vacuum system valve used is mostly to use the locating pin to restrict the valve rod subassembly radial movement of valve, the utility model relates to a vacuum valve handle is straight shank structure, and the valve is under the open mode, and the handle easily receives self gravity to influence and leads to rotating, also or the operation personnel mistake touches or the maloperation, and the adjustment handle of rotary valve to there is certain influence in the transportation of fluid, makes the flow that flows through the technology valve change, and then influences the operating system operating mode, probably leads to professional equipment and technology system to take place the incident when serious.
SUMMERY OF THE UTILITY MODEL
The utility model provides a overcome the shortcoming that exists among the prior art and propose, its purpose provides a location and locking device of vacuum stop valve.
The utility model discloses a realize through following technical scheme:
a positioning and locking device of a vacuum stop valve comprises a butterfly screw, a positioning ring and a damping locking ring, wherein a screw rod of the butterfly screw penetrates through the positioning ring, the damping locking ring is sleeved outside the positioning ring, the free end of the screw rod of the butterfly screw is in threaded connection with a valve rod assembly of the vacuum stop valve, and one end of the damping locking ring is tightly attached to the valve rod assembly of the vacuum stop valve.
In the technical scheme, the positioning ring is of a stepped shaft structure consisting of a major diameter major axis and a minor diameter minor axis, and a through hole is formed in the middle of the positioning ring.
In the above technical solution, the damping locking ring is sleeved outside the short shaft.
In the above technical solution, an end face of one end of the damping locking ring is tightly attached to an end face of the long shaft.
In the above technical scheme, the damping locking ring is of a circular ring structure, and the aperture of the middle through hole is matched with the outer diameter of the short shaft.
In the above technical scheme, the butterfly screw rod passes through the through hole of the positioning ring, and the screw rod extends out of the through hole.
In the technical scheme, the damping locking ring is made of rubber with good extrusion fatigue strength.
In the technical scheme, the valve handle of the vacuum stop valve is of a straight shank structure.
In the technical scheme, the vacuum stop valve is a B25K155QH type DN25 vacuum stop valve.
The beneficial effects of the utility model are that:
the utility model provides a positioning and locking device applied to a DN25 vacuum stop valve, which ensures that the working state is kept free from external interference after the valve in an adjusting state in a process system is locked; the radial positioning of the screw of the DN25 vacuum stop valve is realized, the failure condition of the corrugated pipe is reduced, and the service life of the valve is effectively prolonged; realize DN25 vacuum stop valve screw rod axial locking, guarantee the operating mode stability of valve under "adjustment state", promote the security of professional equipment and system.
Drawings
FIG. 1 is a schematic structural view of a positioning and locking device of a vacuum stop valve according to the present invention;
FIG. 2 is a schematic structural view of a positioning ring in the positioning and locking device of the vacuum stop valve of the present invention;
fig. 3 is the utility model discloses install the assembly structure sketch map on DN25 vacuum stop valve.
Wherein:
1 valve body 2 valve rod assembly
3 screw 4 valve cap
5 cylindrical pin 6 handle
No. 7I pad 8 blind plate
No. 9 II liner 10 bolt
11 Flange plate assembly 12 screw
13 choke plug 14 rubber tube
15 assembling hoop
100 butterfly screw
200 positioning ring
201 minor axis 202 major axis
203 through hole
300 damping locking ring.
For a person skilled in the art, other relevant figures can be obtained from the above figures without inventive effort.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution of the positioning and locking device of the vacuum stop valve of the present invention is further described below by referring to the drawings of the specification and the specific embodiments.
As shown in figure 3, the DN25 vacuum stop valve structure applied by the utility model comprises a valve body 1, a valve rod component 2, a screw rod 3, a valve cover 4, a cylindrical pin 5, a handle 6, a gasket 17, a blind plate 8, a gasket 29, a bolt 10, a flange plate component 11, a screw 12, a plug 13, a rubber tube 14 and an assembly hoop 15, wherein the part A is the positioning and locking device of the utility model.
As shown in fig. 1, a positioning and locking device for a vacuum stop valve comprises a thumb screw 100, a positioning ring 200 and a damping locking ring 300, wherein a screw of the thumb screw 100 passes through the positioning ring 200, and the damping locking ring 300 is sleeved outside the positioning ring 200.
As shown in fig. 2, the positioning ring 200 is a stepped shaft structure composed of a major diameter major axis 202 and a minor diameter minor axis 201, a through hole 203 is formed in the middle of the positioning ring 200, and a damping locking ring 300 is sleeved outside the minor axis 201.
The screw rod of the thumb screw 100 passes through the through hole 203 of the positioning ring 200, extends out of the through hole 203 and is in threaded connection with the valve rod assembly 2 of the vacuum stop valve; the valve rod assembly 2 of the vacuum stop valve is provided with a threaded hole corresponding to the position.
The damping locking ring 300 is in a circular ring structure, the aperture of the middle through hole is matched with the outer diameter of the short shaft 201, one end face of the damping locking ring 300 is tightly attached to the end face of the long shaft 202, namely the shaft shoulder position of the positioning ring 200, and the other end is tightly attached to the valve rod assembly 2 of the vacuum stop valve. The damping locking ring 300 is made of rubber with good extrusion fatigue strength.
The utility model discloses a theory of operation:
designing a positioning ring 200 according to the size, shape and structural characteristics of a positioning groove of a valve rod assembly of a B25K155QH type DN25 vacuum stop valve; the damping locking ring 300 is made of rubber with good extrusion fatigue strength, and the size and the shape are designed according to the positioning ring 200; the butterfly screw 100 with the end face being a butterfly flange is selected to tightly press the positioning ring 200 and the damping locking ring 300, the damping locking ring 300 and the valve rod assembly are locked by means of static friction force, and the butterfly screw 100, the positioning ring 200 and the damping locking ring 300 jointly form a DN25 manual vacuum stop valve locking and positioning device.
The utility model discloses a working process:
in the working and using process of the positioning and locking device, the damping locking ring 300 is sleeved on a short shaft with the external diameter of phi 10 of the positioning ring 200, and the end face of the damping locking ring 300 is positioned by the shaft shoulder of the positioning ring 200; the thumb screw 100 passes through the through hole of the positioning ring 200 phi 6 to complete the assembly work of the positioning and locking device, and then the positioning and locking device is connected with the valve rod assembly 2 through threads and compresses the damping locking ring 300, so that the radial positioning and the axial locking of the valve rod assembly 2 are realized.
The utility model provides a positioning and locking device applied to a DN25 vacuum stop valve, which ensures that the working state is kept free from external interference after the valve in an adjusting state in a process system is locked; the radial positioning of the screw of the DN25 vacuum stop valve is realized, the failure condition of the corrugated pipe is reduced, and the service life of the valve is effectively prolonged; realize DN25 vacuum stop valve screw rod axial locking, guarantee the operating mode stability of valve under "adjustment state", promote the security of professional equipment and system.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The applicant states that the above description is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that any changes or substitutions easily conceivable by those skilled in the art within the technical scope of the present invention are within the protection scope and the disclosure scope of the present invention.
Claims (9)
1. The utility model provides a location and locking device of vacuum stop valve which characterized in that: the damping locking ring structure comprises a butterfly screw (100), a positioning ring (200) and a damping locking ring (300), wherein a screw rod of the butterfly screw (100) penetrates through the positioning ring (200), the damping locking ring (300) is sleeved outside the positioning ring (200), the free end of the screw rod of the butterfly screw (100) is in threaded connection with a valve rod assembly of a vacuum stop valve, and one end of the damping locking ring (300) is tightly attached to the valve rod assembly of the vacuum stop valve.
2. The positioning and locking device of a vacuum stop valve according to claim 1, wherein: the positioning ring (200) is of a stepped shaft structure consisting of a major diameter major axis (202) and a minor diameter minor axis (201), and a through hole (203) is formed in the middle of the positioning ring (200).
3. The positioning and locking device of a vacuum stop valve according to claim 2, wherein: the damping locking ring (300) is sleeved outside the short shaft (201).
4. The positioning and locking device of a vacuum stop valve according to claim 3, wherein: and the end face of one end of the damping locking ring (300) is tightly attached to the end face of the long shaft (202).
5. The positioning and locking device of a vacuum stop valve according to claim 1, wherein: the damping locking ring (300) is of a circular ring structure, and the aperture of the middle through hole is matched with the outer diameter of the short shaft (201).
6. The positioning and locking device of a vacuum stop valve according to claim 5, wherein: the screw rod of the thumb screw (100) penetrates through the through hole (203) of the positioning ring (200), and the screw rod extends out of the through hole (203).
7. The positioning and locking device of a vacuum stop valve according to claim 1, wherein: the damping locking ring (300) is made of rubber materials with good extrusion fatigue strength.
8. The positioning and locking device of a vacuum stop valve according to claim 1, wherein: the valve handle of the vacuum stop valve is of a straight handle structure.
9. The positioning and locking device of a vacuum stop valve according to claim 8, wherein: the vacuum stop valve is a B25K155QH type DN25 vacuum stop valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222424614.5U CN218177938U (en) | 2022-09-14 | 2022-09-14 | Positioning and locking device of vacuum stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222424614.5U CN218177938U (en) | 2022-09-14 | 2022-09-14 | Positioning and locking device of vacuum stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218177938U true CN218177938U (en) | 2022-12-30 |
Family
ID=84622371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222424614.5U Active CN218177938U (en) | 2022-09-14 | 2022-09-14 | Positioning and locking device of vacuum stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218177938U (en) |
-
2022
- 2022-09-14 CN CN202222424614.5U patent/CN218177938U/en active Active
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