CN212672549U - Leakage-free bellows ball valve operating rod device - Google Patents
Leakage-free bellows ball valve operating rod device Download PDFInfo
- Publication number
- CN212672549U CN212672549U CN202021405028.0U CN202021405028U CN212672549U CN 212672549 U CN212672549 U CN 212672549U CN 202021405028 U CN202021405028 U CN 202021405028U CN 212672549 U CN212672549 U CN 212672549U
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- nut
- valve
- base
- ball valve
- connecting part
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 230000009471 action Effects 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 abstract description 2
- 238000012856 packing Methods 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 229910002804 graphite Inorganic materials 0.000 description 5
- 239000010439 graphite Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a no leakage bellows ball valve action bars device, including base, nut seat and apron, nut seat both ends are connected with apron, base detachable respectively; the valve rod fixing device comprises a valve rod, a nut, a spiral sleeve and an elastic piece, wherein the spiral sleeve comprises a fixing plate, an upper connecting part and a lower connecting part are respectively arranged on the upper end surface and the lower end surface of the fixing plate, the outer wall of the upper connecting part is provided with threads, and the lower end surface of the lower connecting part is upwards sunken to form a groove for mounting the valve rod; the nut is in threaded connection with the outer wall of the upper connecting part, a clamping groove for mounting the nut is formed in the cover plate, the nut is rotatably arranged in the clamping groove, and a first through hole for penetrating through the upper connecting part is formed in the cover plate; the inner side of the nut seat is provided with a plurality of elastic pieces on the base, the elastic pieces are arranged below the fixed plate, and the base is provided with a second through hole for installing the valve rod. The utility model has the advantages that: the sealing performance is strong, and the service life is long, safe and reliable.
Description
Technical Field
The utility model relates to an instrument of valve, concretely relates to no leakage bellows ball valve action bars device.
Background
The existing ball valve comprises a valve body, a valve cover, a valve rod controller and a ball body. The ball valve is widely applied to the conveying system of each pipeline due to simple structure, convenient opening and closing and small flow resistance. The traditional corrugated pipe ball valve mainly comprises a valve body, a medium inlet channel, a medium outlet channel, a connecting cavity, a ball body and a valve rod, wherein the medium inlet channel and the medium outlet channel are arranged on the valve body, the connecting cavity is used for connecting the medium inlet channel and the medium outlet channel, the ball body is arranged in the connecting cavity, the valve rod extends into the connecting cavity from the valve body and is linked with the ball body, and a seat capable of being sealed with the ball body is arranged between the medium inlet channel and the connecting cavity as. If the valve rod is usually sealed by using graphite packing, although graphite can resist high and low temperatures, the graphite can leak for a long time after being opened and closed, and the packing box part is a dynamic seal achieved by the valve rod, the packing and the packing gland, so that the leakage of the valve rod part is easily caused. The stuffing box partially leaks to cause safety accidents, the construction burden of workers is increased, and the construction cost is increased.
Therefore, there is a need to design a leak-free bellows ball valve operating lever apparatus that has a high leak tightness, a long life, and is safe and reliable.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the leakproofness is not strong, and aim at provides a no leakage bellows ball valve action bars device, solves the not strong, the poor problem of security performance of prior art leakproofness.
The utility model discloses a following technical scheme realizes:
a leakage-free bellows ball valve operating rod device comprises a base, a nut seat and a cover plate, wherein two ends of the nut seat are detachably connected with the cover plate and the base respectively; the valve rod fixing device comprises a valve rod, a nut, a spiral sleeve and an elastic piece, wherein the spiral sleeve comprises a fixing plate, an upper connecting part and a lower connecting part are respectively arranged on the upper end surface and the lower end surface of the fixing plate, the outer wall of the upper connecting part is provided with threads, and the lower end surface of the lower connecting part is upwards sunken to form a groove for mounting the valve rod; the nut is in threaded connection with the outer wall of the upper connecting part, a clamping groove for mounting the nut is formed in the cover plate, the nut is rotatably arranged in the clamping groove, and a first through hole for penetrating through the upper connecting part is formed in the cover plate; the inner side of the nut seat is provided with a plurality of elastic pieces on the base, the elastic pieces are arranged below the fixed plate, and the base is provided with a second through hole for installing the valve rod.
The nut seat forms a hollow annular plate, which is a hollow structure.
The utility model discloses a theory of operation: the nut is rotated by a spanner, and the screw sleeve moves up and down under the action of the nut and the sliding block. The pin penetrates through a spiral groove in a spiral sleeve of the base, and when the spiral sleeve moves up and down, the pin rotates horizontally to drive the valve rod to rotate horizontally. The flat square at the lower end of the valve rod extends into the arc-shaped groove of the valve ball, and when the valve rod rotates horizontally, the valve ball is driven to rotate, so that the valve is opened or closed.
Compared with the prior art, the utility model, this device has set up the elastic component, the elastic component is the bellows, and does not adopt graphite packing to seal because graphite can be resistant high low temperature, but can not stand up the switch, and the time is long also can leak, and equipment only needs the wrench movement nut, just can realize the function of equipment, and not frequent switch, can lead to the loss of equipment for a long time, has also avoided the partial outside leakage of packing box in the motion process, has solved the not strong problem of leakproofness to long-life, safe and reliable's purpose has been reached.
Further, the pin fixes the valve rod on the nut seat, so that the fixing effect is achieved.
Furthermore, two ends of the nut seat are respectively connected with the cover plate and the base through screws;
the screw connection enhances the stability.
Further, the elastic piece is a corrugated pipe;
the corrugated pipe is high-temperature resistant, has rebound resilience and can be freely stretched.
Further, a sliding block is arranged on the outer wall of the lower connecting part, and a guide groove matched with the sliding block is formed in the inner wall of the nut seat; the guide groove has guidance.
Furthermore, 2 sliding blocks are symmetrically arranged on the outer wall of the lower connecting part;
furthermore, the sliding block is better in skid resistance.
Furthermore, the valve spanner is connected with the nut, and only the spanner needs to be rotated during movement.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
1. the utility model relates to a no-leakage bellows ball valve operating rod device, which has strong sealing performance and high operability;
2. the utility model relates to a no leakage bellows ball valve action bars device has reduced the emergence of incident, has reduced the burden of workman's construction and has reduced the operating cost simultaneously;
3. the utility model relates to a no leakage bellows ball valve action bars device, longe-lived and safe and reliable.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic view of a valve stem assembly.
FIG. 2 is a schematic cross-sectional view of a valve stem assembly.
Reference numbers and corresponding part names in the drawings:
1-base, 2-screw sleeve, 3-valve rod, 4-pin, 5-screw, 6-slide block, 7-nut, 8-nut seat, 9-cover plate, 10-screw, 11-elastic piece, 12-valve wrench, 21-upper connecting part, 22-fixing plate and 23-upper connecting part.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Example 1:
as shown in fig. 1 and 2, a leakage-free bellows ball valve operating rod device comprises a base 1, a nut seat 8 and a cover plate 9, wherein two ends of the nut seat 8 are respectively connected with the cover plate 9 and the base 1 through screws 10; the valve rod fixing structure comprises a valve rod 3, a nut 7, a spiral sleeve 2 and an elastic part 11, wherein the spiral sleeve 2 comprises a fixing plate 22, an upper connecting part 21 and a lower connecting part 23 are respectively arranged on the upper end surface and the lower end surface of the fixing plate 22, the outer wall of the upper connecting part 21 is provided with threads, and the lower end surface of the lower connecting part 23 is upwards sunken to form a groove for mounting the valve rod 3; the nut 7 is in threaded connection with the outer wall of the upper connecting part 21, a clamping groove for mounting the nut 7 is formed in the cover plate 9, the nut 7 is rotatably arranged in the clamping groove, and a first through hole for penetrating through the upper connecting part 21 is formed in the cover plate 9; a plurality of elastic pieces 11 are arranged on the base 1 at the inner side of the nut seat 8, the elastic pieces 11 are arranged below the fixed plate 22, and the base 1 is provided with a second through hole for installing the valve rod 3; the elastic piece 11 is a corrugated pipe; and two ends of the nut seat 8 are respectively connected with the cover plate 9 and the base 1 through screws 10.
The working process is as follows:
the utility model discloses a theory of operation: the utility model discloses a theory of operation: the nut is rotated by a spanner, and the screw sleeve moves up and down under the action of the nut and the sliding block. The pin penetrates through a spiral groove in a spiral sleeve of the base, and when the spiral sleeve moves up and down, the pin rotates horizontally to drive the valve rod to rotate horizontally. The flat square at the lower end of the valve rod extends into the arc-shaped groove of the valve ball, and when the valve rod rotates horizontally, the valve ball is driven to rotate, so that the valve is opened or closed.
Example 2:
as shown in fig. 1 and 2, in this embodiment, based on embodiment 1, 2 sliding blocks 6 are symmetrically arranged on the outer wall of the lower connecting portion 23, and a guide groove matched with the sliding block 6 is arranged on the inner wall of the nut seat 8.
Example 3:
as shown in fig. 1 and 2, the present embodiment is based on embodiment 1 or embodiment 2, and further includes a pin, wherein the pin 4 fixes the valve rod 3 on the nut seat 8; the bottom of the elastic element 11 is connected with the base 1 and the top is connected with the fixing plate 22; the valve wrench is characterized by further comprising a valve wrench 12, wherein the valve wrench 12 is connected with the nut 7.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. A leakage-free corrugated pipe ball valve operating rod device comprises a base (1), a nut seat (8) and a cover plate (9), wherein two ends of the nut seat (8) are detachably connected with the cover plate (9) and the base (1) respectively; the valve rod (3), the nut (7), the spiral sleeve (2) and the elastic piece (11) are further included, the spiral sleeve (2) comprises a fixing plate (22), an upper connecting portion (21) and a lower connecting portion (23) are arranged on the upper end face and the lower end face of the fixing plate (22) respectively, the outer wall of the upper connecting portion (21) is provided with threads, and the lower end face of the lower connecting portion (23) is upwards sunken to form a groove for mounting the valve rod (3); the nut (7) is in threaded connection with the outer wall of the upper connecting part (21), a clamping groove for mounting the nut (7) is formed in the cover plate (9), the nut (7) is rotatably arranged in the clamping groove, and a first through hole for penetrating through the upper connecting part (21) is formed in the cover plate (9); a plurality of elastic pieces (11) are arranged on the base (1) on the inner side of the nut seat (8), the elastic pieces (11) are arranged below the fixing plate (22), and the base (1) is provided with a second through hole for installing the valve rod (3).
2. A leak-free bellows ball valve-operating lever device according to claim 1, further comprising a pin (4), the pin (4) securing the valve stem (3) to the nut seat (8).
3. A leakless bellows ball valve lever device according to claim 1, wherein the nut seat (8) is connected at both ends to the cover plate (9) and to the base (1) by means of screws (10), respectively.
4. A leak-free bellows ball valve-operating lever device according to claim 1, wherein the elastic member (11) is a bellows.
5. A leakless bellows ball valve-operating lever device according to claim 1, characterized in that the outer wall of the lower connecting portion (23) is provided with a slider (6), and the inner wall of the nut seat (8) is provided with a guide groove cooperating with the slider (6).
6. A leakless bellows ball valve-operating lever device according to claim 1, characterized in that the outer wall of the lower connecting portion (23) is symmetrically provided with 2 sliders (6).
7. A leakless bellows ball valve lever device according to claim 1, wherein the elastic element (11) is connected at the bottom to the base (1) and at the top to the fixed plate (22).
8. A leakless bellows ball valve lever device according to any of claims 1-7, further comprising a valve key (12), the valve key (12) being connected to the nut (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021405028.0U CN212672549U (en) | 2020-07-16 | 2020-07-16 | Leakage-free bellows ball valve operating rod device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021405028.0U CN212672549U (en) | 2020-07-16 | 2020-07-16 | Leakage-free bellows ball valve operating rod device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212672549U true CN212672549U (en) | 2021-03-09 |
Family
ID=74838964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021405028.0U Expired - Fee Related CN212672549U (en) | 2020-07-16 | 2020-07-16 | Leakage-free bellows ball valve operating rod device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212672549U (en) |
-
2020
- 2020-07-16 CN CN202021405028.0U patent/CN212672549U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20210309 |