CN217842746U - Gate valve with switch signal feedback - Google Patents
Gate valve with switch signal feedback Download PDFInfo
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- CN217842746U CN217842746U CN202221971111.3U CN202221971111U CN217842746U CN 217842746 U CN217842746 U CN 217842746U CN 202221971111 U CN202221971111 U CN 202221971111U CN 217842746 U CN217842746 U CN 217842746U
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- valve
- gate
- flashboard
- signal feedback
- switch signal
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Abstract
The utility model discloses a take gate valve of switching signal feedback, include: valve body, valve gap, valve rod and flashboard, the valve gap is fixed in on the valve body, the valve body with activity space has in the valve gap, the flashboard is located in the activity space, the valve rod runs through the valve gap, and with flashboard fixed connection, the top of flashboard has the circular conical surface, circular conical groove has in the valve gap, the flashboard the circular conical surface with circular conical groove seals the cooperation. The utility model provides the high sealing performance of valve can realize the sealing washer of changing gland department under the pipeline area pressure condition.
Description
Technical Field
The utility model relates to a technical field of gate valve especially relates to a take gate valve of switching signal feedback.
Background
The signal switch gate valve is characterized in that an electric signal device is additionally arranged on the basis of a manual gate valve, a switch and a transmission mechanism thereof are arranged in the signal device, electric signal control of the gate valve is realized, and the signal switch gate valve is mainly applied to a fire-fighting system and is a key part for realizing automatic water spraying and fire extinguishing. Because the signal switch gate valve is applied to the fire extinguishing system, and is related to the safety of life and property of people, the requirement on the quality of the signal gate valve is very high. At present, the signal switch gate valve in the industry still has the sealing performance poor, short-lived scheduling problem.
Patent CN201921841750.6 discloses a flange formula signal gate valve, and this utility model is direct with stroke piece and valve rod cooperation, the stroke piece directly reciprocates under the rotation effect of valve rod, has saved the gear pair structure, its simple structure, and cost reduction, but its flashboard adopts plane seal's form with the valve gap, and sealed effect is poor, and simultaneously, its drive nut adopts type of falling T structure with the flashboard, makes flashboard rubber overcoat damage easily, influences the result of use.
Disclosure of Invention
Aiming at the problems of the existing gate valve, the gate valve with the switch signal feedback is good in sealing performance and long in service life.
The specific technical scheme is as follows:
a gate valve with switching signal feedback, comprising: valve body, valve gap, valve rod and flashboard, the valve gap is fixed in on the valve body, the valve body with activity space has in the valve gap, the flashboard is located in the activity space, the valve rod runs through the valve gap, and with flashboard fixed connection, the top of flashboard has the circular conical surface, circular conical groove has in the valve gap, the flashboard the circular conical surface with circular conical groove sealing fit.
In the gate valve with the switch signal feedback, the top of the valve cap is provided with a through hole, the circular cone groove is formed in the periphery of one end, close to the movable space, of the through hole, the valve rod penetrates through the through hole, and when the valve rod drives the gate plate to move upwards, the circular cone surface of the gate plate is in sealing fit with the circular cone groove until the top of the gate plate is abutted against the valve cap.
In the gate valve with the switch signal feedback, the two sides of the gate plate are provided with the arc-shaped protrusions, and when the valve rod drives the gate plate to move downwards until the bottom of the gate plate is abutted against the bottom of the valve body, the two arc-shaped protrusions are respectively in sealing fit with the two sides of the movable space;
the arc-shaped bulge and the flashboard are of an integrated structure.
Foretell gate valve of taking on-off signal feedback, wherein, the guide way all has been had to the other both sides of activity space, the other both sides of flashboard all are equipped with the guide angle, two the guide angle respectively with two guide way sliding fit.
In the gate valve with the switch signal feedback, two guide blocks are arranged on the other two sides of the movable space, and the guide groove is formed between the two guide blocks.
Foretell gate valve of taking on-off signal feedback, wherein, the valve rod pass through the nut with flashboard fixed connection, vertically of the middle part of flashboard is equipped with the connecting hole, the horizontal connection chamber that is equipped with at the top of flashboard, connect the chamber with the connecting hole link up mutually, the nut is located connect the intracavity, the valve rod stretches into the connecting hole, and with nut threaded connection.
In the above gate valve with feedback of the switch signal, the valve rod is provided with the hand wheel;
a signal switch is arranged on the side wall of the valve rod;
both sides of the nut are provided with grooves.
The above gate valve with the switch signal feedback is characterized in that a gland is arranged on the valve cover, the valve rod penetrates through the gland and the valve cover from top to bottom in sequence, and a dust cover is arranged between the gland and the valve rod.
The above gate valve with switch signal feedback, wherein the gate plate comprises: the gate plate main part and lug, the lug is located the top of gate plate main part, the top of lug has the circular conical surface, the nut install in the lug, the both sides of gate plate main part are equipped with the arc is protruding, the other both sides of gate plate main part all are equipped with the guide angle.
The gate valve with the switch signal feedback is characterized in that a first sealing ring, a second sealing ring and a third sealing ring are sleeved on the valve rod, the first sealing ring is in sealing fit with the valve cover, and the second sealing ring is in sealing fit with the third sealing ring through the gland respectively.
Compared with the prior art, the technical scheme has the positive effects that:
the top end of the flashboard is provided with the conical surface which is matched and sealed with the conical groove at the top end of the inner cavity of the valve cover, thereby improving the sealing performance of the valve and realizing the replacement of the O-shaped ring at the gland under the condition of pipeline pressure;
the nut of the utility model is arranged in the flashboard and is in threaded connection with the valve rod, compared with the traditional inverted T-shaped structure, the bearing surface is larger, and the flashboard can be prevented from being damaged;
the valve rod of the utility model is provided with more than three sealing rings, thereby improving the sealing effect;
the utility model discloses a be equipped with the shield on the gland, prevent that dust or foreign matter from entering into the sealing washer in, avoid the sealing washer to open and close wearing and tearing, guarantee the sealing washer life-span.
Drawings
Fig. 1 is a schematic view of the overall structure of a gate valve with switch signal feedback according to the present invention;
fig. 2 is an enlarged view of a gate valve with switch signal feedback in fig. 1 according to the present invention;
fig. 3 is a top view of a valve body of a gate valve with switch signal feedback according to the present invention;
fig. 4 is a side view of a valve plate of the gate valve with switch signal feedback according to the present invention;
fig. 5 is a schematic structural diagram of a valve plate of the gate valve with switch signal feedback according to the present invention;
fig. 6 is a longitudinal sectional view of a valve plate of a gate valve with switching signal feedback according to the present invention;
fig. 7 is a longitudinal sectional view of the nut of the gate valve with switch signal feedback according to the present invention;
fig. 8 is a top view of a nut of a gate valve with switch signal feedback according to the present invention;
fig. 9 is a longitudinal sectional view of a dust cap of a gate valve with switch signal feedback according to the present invention;
in the drawings: 1. a valve body; 2. a valve cover; 3. a valve stem; 4. a shutter plate; 5. an activity space; 9. an arc-shaped bulge; 10. a nut; 11. a guide groove; 12. a guide angle; 13. a guide block; 14. connecting holes; 15. a connecting cavity; 16. a hand wheel; 17. a signal switch; 18. a groove; 19. a gland; 20. a dust cover; 21. a shutter main body; 22. lifting lugs; 23. a first seal ring; 24. a second seal ring; 25. a third seal ring; 26. a conical surface; 27. a conical groove.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
Fig. 1 is the utility model relates to an overall structure schematic diagram of gate valve of band-pass switch signal feedback, fig. 2 is the utility model relates to a take A of the gate valve of band-pass switch signal feedback in fig. 1 to locate the enlargedly, fig. 3 is the utility model relates to a take the top view of the valve body of gate valve of band-pass switch signal feedback, fig. 4 is the utility model relates to a take the side view of the valve plate of gate valve of band-pass switch signal feedback, fig. 5 is the utility model relates to a take the structure schematic diagram of the valve plate of gate valve of band-pass switch signal feedback, fig. 6 is the utility model relates to a take the longitudinal section view of the valve plate of gate valve of band-pass switch signal feedback, fig. 7 is the utility model relates to a take the longitudinal section view of the nut of gate valve of band-pass switch signal feedback, fig. 8 is the utility model relates to a take the longitudinal section view of the shield of gate valve of band-pass switch signal feedback, as shown in fig. 1 to fig. 9, a gate valve of band-pass switch signal feedback's dustproof lid's the gate valve of preferred embodiment is shown, includes: valve body 1, valve gap 2, valve rod 3 and flashboard 4, on valve gap 2 was fixed in valve body 1, have activity space 5 in valve body 1 and the valve gap 2, in activity space 5 was located to flashboard 4, valve rod 3 run through valve gap 2, and with flashboard 4 fixed connection, the top of flashboard 4 had conical surface 26, has circular cone groove 27 in the valve gap, the conical surface 26 and the circular cone groove 27 sealing fit of flashboard 4.
Further, as a preferred embodiment, the top of the bonnet 2 has a through hole, a conical groove 27 is disposed on the periphery of one end of the through hole close to the movable space 5, the valve rod 3 penetrates through the through hole, and when the valve rod 3 drives the gate plate 4 to move upwards until the top of the gate plate 4 abuts against the bonnet 3, the conical surface 26 of the gate plate 4 is in sealing fit with the conical groove 27.
Further, as a preferred embodiment, the both sides of flashboard 4 all have arc arch 9, drive flashboard 4 activity downwards when valve rod 3, and under the state that the bottom of flashboard 4 and the bottom of valve body 1 offset, two arc arch 9 were sealed cooperation with the both sides of activity space 5 respectively.
Further, as a preferred embodiment, the arc-shaped protrusion 9 and the shutter 1 are of an integral structure.
The above is merely an example of the preferred embodiments of the present invention, and the embodiments and the protection scope of the present invention are not limited thereby.
The utility model discloses still have following embodiment on above-mentioned basis:
in a further embodiment of the present invention, please continue to refer to fig. 1 to 9, the other two sides of the activity space 5 are provided with guide grooves 11, the other two sides of the gate plate 4 are provided with guide angles 12, and the two guide angles 12 are respectively in sliding fit with the two guide grooves 11.
In a further embodiment of the present invention, the other two sides of the movable space 5 are provided with two guide blocks 13, and a guide groove 11 is formed between the two guide blocks 13.
Preferably, the guide groove 11 is in sliding fit with the guide angle 12, so that the opening and closing verticality of the gate plate 4 is improved.
The utility model discloses a in the further embodiment, valve rod 3 passes through nut 10 and flashboard 4 fixed connection, and the middle part of flashboard 3 vertically is equipped with connecting hole 14, and the horizontal of the top of flashboard 4 is equipped with connects chamber 15, connects chamber 15 and connecting hole 14 and link up mutually, and in nut 10 located connects chamber 15, valve rod 3 stretched into connecting hole 14, and with nut 10 threaded connection.
In a further embodiment of the present invention, a hand wheel 16 is mounted on the valve rod 3.
In a further embodiment of the present invention, a signal switch 17 is disposed on the sidewall of the valve rod 3.
In a further embodiment of the present invention, both sides of the nut 10 are provided with grooves 18. Preferably, material can be saved under the condition of ensuring the strength.
The utility model discloses a in the further embodiment, be equipped with gland 19 on the valve gap 2, valve rod 3 is from last to running through gland 19 and valve gap 2 down in proper order, is equipped with shield 20 between gland 19 and the valve rod 3. Preferably, prevent that dust or foreign matter from entering into the sealing washer in, avoid the sealing washer to open and close wearing and tearing, guarantee the sealing washer life-span.
In a further embodiment of the present invention, the shutter 4 comprises: the gate plate comprises a gate plate main body 21 and lifting lugs 22, wherein the lifting lugs 22 are arranged at the top of the gate plate main body 21, the top of each lifting lug 22 is provided with a conical surface 26, nuts 10 are installed in the lifting lugs 22, arc-shaped protrusions 9 are arranged on two sides of the gate plate main body 21, and guide angles 12 are arranged on the other two sides of the gate plate main body 21.
The utility model discloses a further embodiment, the cover is equipped with first sealing washer 23, second sealing washer 24 and third sealing washer 25 on the valve rod 3, and first sealing washer 23 is sealed with valve gap 2 and is cooperated, and second sealing washer 24, third sealing washer 25 are sealed cooperation with gland 19 respectively.
Preferably, the lifting lug 22 may be octagonal.
Preferably, the valve body 1 may be of a flange type.
The utility model discloses a top of flashboard 4 is that the circular cone groove 27 cooperation on circular conical surface 26 and the 2 inner chambers tops of valve gap is sealed, has improved the sealing performance of valve, can realize that the pipeline takes the O type circle of changing gland department under the area pressure condition.
The utility model discloses a nut 10 is located in flashboard 4 with the 3 spiro unions of valve rod, compares the tradition type of falling T structure, and the stress surface is bigger, can avoid the flashboard to damage.
The utility model discloses a be equipped with three above sealing washer on the valve rod 3, improve sealed effect.
The utility model discloses a be equipped with shield 20 on gland 19, prevent that dust or foreign matter from entering into the sealing washer in, avoid the sealing washer to open and close wearing and tearing, guarantee the sealing washer life-span.
The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.
Claims (10)
1. A gate valve with switch signal feedback, comprising: valve body, valve gap, valve rod and flashboard, the valve gap is fixed in on the valve body, the valve body with activity space has in the valve gap, the flashboard is located in the activity space, the valve rod runs through the valve gap, and with flashboard fixed connection, the top of flashboard has the circular conical surface, circular conical groove has in the valve gap, the flashboard the circular conical surface with circular conical groove sealing fit.
2. The gate valve with switch signal feedback according to claim 1, wherein a through hole is formed in a top portion of the valve cover, the through hole is provided with the conical groove on a peripheral side of an end close to the movable space, the valve rod penetrates through the through hole, and when the valve rod drives the gate plate to move upward until the top portion of the gate plate abuts against the valve cover, the conical surface of the gate plate is in sealing fit with the conical groove.
3. The gate valve with the switch signal feedback as claimed in claim 2, wherein the gate plate has arc-shaped protrusions on both sides, and when the valve rod drives the gate plate to move downward until the bottom of the gate plate abuts against the bottom of the valve body, the two arc-shaped protrusions are respectively in sealing fit with both sides of the moving space;
the arc-shaped bulge and the flashboard are of an integrated structure.
4. The gate valve with switch signal feedback as claimed in claim 3, wherein the other two sides of the movable space are provided with guide grooves, the other two sides of the gate are provided with guide angles, and the two guide angles are respectively in sliding fit with the two guide grooves.
5. The gate valve with switch signal feedback of claim 4, wherein two guide blocks are provided on the other two sides of the movable space, and the guide groove is formed between the two guide blocks.
6. The gate valve with switch signal feedback of claim 5, wherein the valve rod is fixedly connected with the gate plate through a nut, a connecting hole is formed in the middle of the gate plate in the longitudinal direction, a connecting cavity is formed in the top of the gate plate in the transverse direction, the connecting cavity is communicated with the connecting hole, the nut is arranged in the connecting cavity, and the valve rod extends into the connecting hole and is in threaded connection with the nut.
7. The gate valve with switch signal feedback of claim 6, wherein a hand wheel is mounted on the valve stem;
a signal switch is arranged on the side wall of the valve rod;
both sides of the nut are provided with grooves.
8. The gate valve with switch signal feedback of claim 7, wherein a gland is disposed on the valve cap, the valve rod sequentially penetrates through the gland and the valve cap from top to bottom, and a dust cap is disposed between the gland and the valve rod.
9. The gate valve with switching signal feedback of claim 8, wherein said gate plate comprises: the lifting lug is arranged at the top of the flashboard main body, the top of the lifting lug is provided with the conical surface, the nut is installed in the lifting lug, the two sides of the flashboard main body are provided with the arc-shaped bulges, and the other two sides of the flashboard main body are provided with the guide angles.
10. The gate valve with switch signal feedback of claim 9, wherein the valve rod is sleeved with a first sealing ring, a second sealing ring and a third sealing ring, the first sealing ring is in sealing fit with the valve cover, and the second sealing ring and the third sealing ring are respectively in sealing fit with the gland.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221971111.3U CN217842746U (en) | 2022-07-28 | 2022-07-28 | Gate valve with switch signal feedback |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221971111.3U CN217842746U (en) | 2022-07-28 | 2022-07-28 | Gate valve with switch signal feedback |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217842746U true CN217842746U (en) | 2022-11-18 |
Family
ID=84012766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221971111.3U Active CN217842746U (en) | 2022-07-28 | 2022-07-28 | Gate valve with switch signal feedback |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217842746U (en) |
-
2022
- 2022-07-28 CN CN202221971111.3U patent/CN217842746U/en active Active
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