CN218743369U

CN218743369U - Guide shower valve

Info

Publication number: CN218743369U
Application number: CN202223118228.XU
Authority: CN
Inventors: 夏俊华; 王超
Original assignee: Shanghai Handing Valve Co ltd
Current assignee: Shanghai Handing Valve Co ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-03-28
Anticipated expiration: 2032-11-23

Abstract

The utility model discloses a lead and drench valve, its technical scheme main points are: which comprises a valve body, one side of valve body is provided with the support, the inside of support is provided with first valve rod, the inside of valve body is provided with the mediation subassembly, and it is right to be used for the inside of valve body is dredged, the mediation subassembly includes: the packing pad, the fixed cup joint of packing pad is in the interior round wall in the packing box hole of valve body, the interior round wall in the packing box hole of valve body is fixed to be cup jointed and is hanged down to leak the packing group, one side of valve body is provided with the packing clamp plate, one side fixed mounting of packing clamp plate has the packing to press the cover, the packing press the cover with the activity of the interior round wall in the packing box hole of valve body is cup jointed, uses through setting up mutually supporting of hand wheel, first valve rod, packing pad, low leakage packing group, packing press cover and packing clamp plate, can reach the effect of dredging the inside of valve body, avoids the inside of valve body to be blockked up by the material of easy crystallization and can't continue the use.

Description

Guide shower valve

Technical Field

The utility model relates to a lead and drench valve technical field, concretely relates to lead and drench valve.

Background

The guide shower valve is one of valve bodies commonly used in safety production, liquid in a pipeline can be emptied by using the guide shower valve, therefore, in the design, a valve is arranged at the lowest point of the pipeline or equipment, which type is provided for emptying residual liquid in the pipeline or the equipment, a corresponding blow-off valve is arranged at the highest point of the pipeline or the equipment, and the blow-off valve is used for emptying gas in the pipeline or the equipment.

In the prior art, in the chemical industry, a pilot valve is often used for emptying liquid in a pipeline, but because some fluid media may have the condition of easy crystallization, when the fluid is emptied, the interior of the pilot valve is easily blocked by some crystallized solid matters, so that the situation that the liquid cannot be continuously drained may occur in the pilot valve.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to prior art not enough, the utility model provides a lead and drench valve has solved because some fluid medium probably have the condition of easy crystallization, when emptying these fluids, the inside of leading to drench valve is blockked up by some solid matter that have crystallized easily, leads to leading to the problem that the condition of can not continue discharge liquid probably to appear leading to drench valve.

The above technical object of the present invention can be achieved by the following technical solutions:

a pilot valve comprising: the valve body, one side of valve body is provided with the support, the inside of support is provided with first valve rod, the inside of valve body is provided with the mediation subassembly, be used for right the inside of valve body is dredged, the mediation subassembly includes: the packing pad, the fixed cup joint of packing pad is in the interior round wall in the packing box hole of valve body, the fixed low leakage packing group that has cup jointed of interior round wall in the packing box hole of valve body, one side of valve body is provided with the packing clamp plate, one side fixed mounting of packing clamp plate has the packing to press the cover, the packing press the cover with the activity of the interior round wall in the packing box hole of valve body cup joints, the thread groove is seted up to one side of valve body, threaded hole has been seted up to one side of packing clamp plate, the interior round wall threaded connection of screw hole has the bolt, the bolt with thread groove threaded connection, the support with one side fixed mounting of valve body, the disc has been cup jointed in the inside activity of support, the lead screw has been cup jointed in the activity of the interior round wall of disc, the interior round wall threaded connection of lead screw has first valve rod, first valve rod with the inside activity of valve body cup joints, the activity of the excircle wall of lead screw has cup jointed the hand wheel.

In order to avoid the hand wheel to break away from the outside of lead screw, conduct the utility model discloses a lead and drench valve, the preferred, the excircle wall threaded connection of lead screw has lock nut.

In order to avoid first valve rod to take place distortion, conduct the utility model discloses a pilot valve, the preferred, the spacing groove has been seted up to the excircle wall of disc, a plurality of steel ball has been cup jointed in the inside activity of spacing groove.

In order to support the lead screw, as the utility model discloses a lead and drench valve, the preferred, one side fixed mounting of support has the flange, the inside fixed cup joint of flange has valve-stem nut, valve-stem nut with the thread groove has all been seted up to the one end of flange, the interior round wall threaded connection of thread groove has holding screw, valve-stem nut with lead screw threaded connection.

In order to realize moving and carrying compact structure, conduct the utility model discloses a lead and drench valve, the preferred, belleville spring has been cup jointed in the excircle wall activity of bolt.

In order to make the difficult emergence of support crooked, as the utility model discloses a lead and drench valve, the preferred, the material of support is steel.

In order to prevent that the hand wheel from rustting, conduct the utility model discloses a lead and drench valve, the preferred, the outside of hand wheel scribbles the anti-rust paint.

To sum up, the utility model discloses mainly have following beneficial effect:

through the mutually-matched use of the hand wheel, the valve body, the screw rod, the flange, the first valve rod, the packing pad, the low-leakage packing group, the packing pressing sleeve and the packing pressing plate, the effect of dredging the inside of the valve body can be achieved, and the phenomenon that the inside of the valve body is blocked by easily-crystallized substances and cannot be continuously used is avoided.

Through the use of mutually supporting that sets up lock nut, hand wheel and lead screw, can reach and fix the hand wheel, avoid the hand wheel to break away from the outside effect of lead screw, use through mutually supporting of steel ball, disc and first valve rod, can reach the effect that improves the stability of first valve rod, avoid first valve rod to take place distortion.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic view of a first valve stem structure of the present invention;

fig. 3 is a partial structural diagram of a in fig. 2.

Reference numerals: 1. a valve body; 2. a filler pad; 3. a low leakage packing set; 4. pressing and sleeving the filler; 5. a packing press plate; 6. a first valve stem; 7. a disc spring; 8. a support; 9. steel balls; 10. a disc; 11. a screw rod; 12. a flange; 13. a valve stem nut; 14. tightening the screw; 15. a hand wheel; 16. locking the nut; 17. a limiting groove; 18. a bolt; 19. a thread groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, 2 and 3, a pilot valve includes: valve body 1, one side of valve body 1 is provided with support 8, and support 8's inside is provided with first valve rod 6, and valve body 1's inside is provided with the mediation subassembly for dredge the inside of valve body 1, the mediation subassembly includes: the packing pad 2 is fixedly sleeved on the inner circular wall surface of a packing box hole of the valve body 1, the inner circular wall surface of the packing box hole of the valve body 1 is fixedly sleeved with a low-leakage packing set 3, one side of the valve body 1 is provided with a packing pressing plate 5, one side of the packing pressing plate 5 is fixedly provided with a packing pressing sleeve 4, the packing pressing sleeve 4 is movably sleeved with the inner circular wall surface of the packing box hole of the valve body 1, one side of the valve body 1 is provided with a thread groove, one side of the packing pressing plate 5 is provided with a thread hole, the inner circular wall surface of the thread hole is in threaded connection with a bolt 18, the bolt 18 is in threaded connection with the thread groove, a bracket 8 is fixedly installed with one side of the valve body 1, the inside of the bracket 8 is movably sleeved with a disc 10, the inner circular wall surface of the disc 10 is movably sleeved with a lead screw 11, the inner circular wall surface of the lead screw 11 is in threaded connection with a first valve rod 6, the first valve rod 6 is movably sleeved with the inside of the valve body 1, the outer circular wall surface of the bracket 11 is movably sleeved with a hand wheel 15, through the arranged hand wheel 15, when the interior of the valve body 1 is blocked by crystallized substances, the hand wheel 15 is rotated to drive the screw rod 11 to rotate, and the screw rod 11 and the valve stem nut 13 convert the threaded connection into a linear motion, so that the screw rod 11 and the first valve stem 6 move to the left, so that the first valve rod 6 extrudes and pushes the blocking substances in the valve body 1 to discharge the blocking substances in the valve body 1, and through the arranged packing cushion 2, the low-leakage packing group 3, the packing pressing sleeve 4 and the packing pressing plate 5, the gap between the valve body 1 and the first valve rod 6 can be reliably sealed, the condition that the gap between the valve body 1 and the first valve rod 6 leaks is prevented, and then reached the effect of dredging the inside of valve body 1, avoided the inside of valve body 1 to be blockked up by the material of easy crystallization and can't continue to use.

Referring to fig. 2 and 3, the excircle wall threaded connection of lead screw 11 has lock nut 16, through lock nut 16, mutually supporting use of hand wheel 15 and lead screw 11 can be reached, it fixes hand wheel 15 to avoid hand wheel 15 to break away from the outside effect of lead screw 11, spacing groove 17 has been seted up to the excircle wall of disc 10, a plurality of steel ball 9 has been cup jointed in the inside activity of spacing groove 17, through steel ball 9, disc 10 and first valve rod 6 mutually support the use, can reach the effect of improving the stability of first valve rod 6, avoid first valve rod 6 to take place distortion, one side fixed mounting of support 8 has flange 12, the inside fixed cover of flange 12 has cup jointed valve-stem nut 13, thread groove 19 has all been seted up to valve-stem nut 13 and the one end of flange 12, the interior circle wall threaded connection of thread groove 19 has holding screw 14, valve-stem nut 13 and lead screw 11 threaded connection, the excircle wall activity dish-shaped spring 7 of bolt 18 has been cup jointed, the material of support 8 is the steel material, the outside of hand wheel 15 scribbles the anti-rust paint.

The working principle is as follows: referring to fig. 1-3, with the hand wheel 15, when the inside of the valve body 1 is blocked by the crystallized material, the hand wheel 15 is rotated to drive the lead screw 11 to rotate, and then the lead screw 11 and the valve rod nut 13 convert the threaded connection into linear motion, so that the lead screw 11 and the first valve rod 6 move to the left, and thus the first valve rod 6 extrudes and pushes the blocked material inside the valve body 1, and the blocked material inside the valve body 1 is discharged, and the gap between the valve body 1 and the first valve rod 6 can be reliably sealed by the packing pad 2, the low-leakage packing set 3, the packing pressing sleeve 4 and the packing pressing plate 5, so that the gap between the valve body 1 and the first valve rod 6 is prevented from leaking, the effect of dredging the inside of the valve body 1 is achieved, and the inside of the valve body 1 is prevented from being blocked by the crystallized material and cannot be used continuously.

Through the use of mutually supporting of lock nut 16, hand wheel 15 and lead screw 11, can reach and fix hand wheel 15, avoid hand wheel 15 to break away from the outside effect of lead screw 11, use through mutually supporting of steel ball 9, disc 10 and first valve rod 6, can reach the effect that improves the stability of first valve rod 6, avoid first valve rod 6 to take place distortion.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A pilot valve, comprising:

the valve comprises a valve body (1), wherein a support (8) is arranged on one side of the valve body (1), and a first valve rod (6) is arranged inside the support (8);

the mediation subassembly, the mediation subassembly sets up the inside of valve body (1) is used for to the inside of valve body (1) is dredged, the mediation subassembly includes: the packing device comprises a packing pad (2), the packing pad (2) is fixedly sleeved on an inner circular wall surface of a packing box hole of a valve body (1), a low-leakage packing group (3) is fixedly sleeved on the inner circular wall surface of the packing box hole of the valve body (1), a packing pressing plate (5) is arranged on one side of the valve body (1), a packing pressing sleeve (4) is fixedly installed on one side of the packing pressing plate (5), the packing pressing sleeve (4) is movably sleeved on the inner circular wall surface of the packing box hole of the valve body (1), a thread groove is formed in one side of the valve body (1), a threaded hole is formed in one side of the packing pressing plate (5), a bolt (18) is connected to the inner circular wall surface of the threaded hole in a threaded manner, the bolt (18) is in threaded connection with the thread groove in a threaded manner, a support (8) is fixedly installed on one side of the valve body (1), a disc (10) is sleeved on the inner circular wall surface in a movable manner, a lead screw (11) is sleeved on the inner circular wall surface of the disc (10), the inner circular wall surface of the lead screw (11) is connected with a first valve rod (6), and an outer circular lead screw is sleeved on the inner circular wall surface of the movable lead screw (15).

2. The pilot valve according to claim 1, wherein: and the outer circle wall surface of the screw rod (11) is in threaded connection with a locking nut (16).

3. The pilot valve according to claim 1, wherein: the outer circle wall surface of the disc (10) is provided with a limiting groove (17), and a plurality of steel balls (9) are movably sleeved inside the limiting groove (17).

4. The pilot valve according to claim 1, wherein: one side fixed mounting of support (8) has flange (12), valve-stem nut (13) have been cup jointed to the inside fixed of flange (12), valve-stem nut (13) with thread groove (19) have all been seted up to the one end of flange (12), the interior circle wall threaded connection of thread groove (19) has holding screw (14), valve-stem nut (13) with lead screw (11) threaded connection.

5. The pilot valve according to claim 1, wherein: and a disc spring (7) is movably sleeved on the outer circle wall surface of the bolt (18).

6. The pilot valve according to claim 1, wherein: the bracket (8) is made of steel.

7. The pilot valve of claim 1, wherein: and the exterior of the hand wheel (15) is coated with antirust paint.