CN218207877U

CN218207877U - Novel fire-fighting gate valve with good sealing performance

Info

Publication number: CN218207877U
Application number: CN202222886748.9U
Authority: CN
Inventors: 苏毅辉
Original assignee: Shanghai Jindun Valve Manufacturing Co ltd
Current assignee: Shanghai Jindun Valve Manufacturing Co ltd
Priority date: 2022-11-01
Filing date: 2022-11-01
Publication date: 2023-01-03
Anticipated expiration: 2032-11-01

Abstract

The utility model discloses a novel fire control gate valve that leakproofness is good, the water control valve comprises a valve body, the top of valve body is equipped with the valve gap, the top of valve gap is equipped with the lead screw support, the lead screw support interpolation is equipped with the valve rod, extend to the valve body in the bottom of valve rod, be connected with the rubber lining flashboard on the valve rod, through valve rod bolted connection between rubber lining flashboard and the valve rod, the fixed hand wheel that has cup jointed in top of valve rod, through T type bolted connection between lead screw support and the valve rod, through circular bolted connection between valve rod and the hand wheel, gland has been cup jointed on the lateral wall that the valve rod is located the lead screw support, the utility model discloses overall structure leakproofness is good, can not take place the phenomenon of leaking, and simple to operate.

Description

Novel fire-fighting gate valve with good sealing performance

Technical Field

The utility model relates to a fire control facility correlation goods field specifically is a novel fire control gate valve that leakproofness is good.

Background

The opening and closing piece of the fire-fighting gate valve is the flashboard, the movement direction of the flashboard is vertical to the fluid direction, the gate valve can only be fully opened and fully closed, and can not be adjusted and throttled. The gate has two sealing surfaces, the most common mode gate valve has two sealing surfaces forming a wedge shape, the wedge angle of which varies with the valve parameters, typically 50, and 2 ° 52' at medium temperatures not high. The gate plate of the wedge gate valve can be made into a whole, which is called a rigid gate plate; the gate plate can also be made into a gate plate capable of generating micro deformation so as to improve the manufacturability of the gate plate and compensate the deviation of the angle of the sealing surface in the machining process, and the gate plate is called an elastic gate plate.

The existing fire-fighting gate valve generally has the water leakage phenomenon, poor integral sealing performance and defectiveness.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel fire control gate valve that leakproofness is good to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel fire control gate valve that leakproofness is good, includes the valve body, the top of valve body is equipped with the valve gap, the top of valve gap is equipped with the lead screw support, the lead screw support interpolation is equipped with the valve rod, extend to the valve body in the bottom of valve rod, be connected with the rubber lining flashboard on the valve rod, through valve rod bolted connection between rubber lining flashboard and the valve rod, the fixed hand wheel that has cup jointed in top of valve rod, through T type bolted connection between lead screw support and the valve rod, through circular bolted connection between valve rod and the hand wheel, gland has been cup jointed on the lateral wall that the valve rod is located the lead screw support, through locking bolted connection between gland and the lead screw support, be equipped with the plain washer between gland and the lead screw support inner wall.

Preferably, a taper pin is inserted between the rubber lining flashboard and the valve rod.

Preferably, the valve cover and the valve body are fixed through a plurality of inner hexagonal stud head screws.

Preferably, the upper surface of the hand wheel is provided with a nameplate.

Preferably, a first O-shaped sealing ring is arranged at the joint of the valve cover and the valve body, and a second O-shaped sealing ring is arranged between the valve cover and the screw rod support.

Compared with the prior art, the beneficial effects of the utility model are that:

this novel fire control gate valve that leakproofness is good drives the valve rod at the valve body internal rotation through rotating the hand wheel, follows the rotation through valve rod bolt and the fixed rubber-lined flashboard of valve rod, and it is higher that the valve rod carries out the stationary stability through lead screw bracket, and the leakproofness of installing gland in lead screw bracket can valve rod department is better, prevents to leak water, and the valve rod runs through the hand wheel and does benefit to when opening or closing the gate valve, exposes the different audio-visual switch condition of observing the gate valve of length at hand wheel top through the valve rod, the utility model discloses overall structure leakproofness is good, can not take place the phenomenon of leaking, and simple to operate.

Drawings

Fig. 1 is a schematic structural view of the novel fire-fighting gate valve with good sealing performance of the present invention.

In the figure: 1. a valve body; 2. a valve cover; 3. a screw rod bracket; 4. a valve stem; 5. a rubber-lined gate plate; 6. a valve stem bolt; 7. a hand wheel; 8. a T-bolt; 9. a round bolt; 10. a sealing gland; 11. locking the bolt; 12. a flat gasket; 13. a taper pin; 14. hexagon socket head cap screws; 15. a nameplate; 16. a first O-ring seal; 17. and a second O-shaped sealing ring.

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.

Referring to fig. 1, the present invention provides an embodiment: the utility model provides a novel fire control gate valve that leakproofness is good, including valve body 1, the top of valve body 1 is equipped with valve gap 2, the top of valve gap 2 is equipped with

screw rod support

3, 3 interpolations of screw rod support are equipped with valve rod 4, extend to valve body 1 in the bottom of valve rod 4, be connected with rubber lining flashboard 5 on the valve rod 4, be connected through valve rod bolt 6 between rubber lining flashboard 5 and the valve rod 4, hand wheel 7 has been cup jointed to valve rod 4's top is fixed, be connected through T type bolt 8 between screw rod support 3 and the valve rod 4, be connected through circular bolt 9 between valve rod 4 and the hand wheel 7, gland 10 has been cup jointed on the lateral wall that valve rod 4 is located screw rod support 3, be connected through locking bolt 11 between gland 10 and the screw rod support 3, be equipped with flat gasket 12 between gland 10 and the 3 inner walls of screw rod support, specific saying, hand wheel 7 drives valve rod 4 at valve body 1, rubber lining flashboard 5 fixed through valve rod bolt 6 and valve rod 4 rotates, valve rod 4 carries out the fixed through screw rod support 3 and fixes stability higher, install that the leakproofness of screw rod in 3 can valve rod 4 department is better, it leaks the internal rotation to be favorable to the handle 4, the internal rotation of switch, it leaks to follow the switch to observe the valve rod 7 or the internal rotation of switch to pass through the intuitional top of switch.

In the embodiment, a taper pin 13 is inserted between the rubber lining flashboard 5 and the valve rod 4; the valve cover 2 and the valve body 1 are fixed through a plurality of hexagon socket head cap screws 14; the upper surface of the hand wheel 7 is provided with a nameplate 15; a first O-shaped sealing ring 16 is arranged at the joint of the valve cover 2 and the valve body 1, and a second O-shaped sealing ring 17 is arranged between the valve cover 2 and the screw rod support 3, so that the sealing performance is improved.

The working principle is as follows: at first, the hand wheel 7 is rotated to drive the valve rod 4 to rotate in the valve body 1, the rubber lining flashboard 5 fixed with the valve rod 4 through the valve rod bolt 6 rotates along with the valve rod, the valve rod 4 is higher in fixing stability through the screw rod support 3, the sealing gland 10 installed in the screw rod support 3 can better seal the valve rod 4, water leakage is prevented, the valve rod 4 penetrates through the hand wheel 7, and the different visual gate valve opening and closing conditions of the gate valve can be observed through the length of the valve rod 4 exposed out of the top of the hand wheel 7 when the gate valve is opened or closed.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a good novel fire control gate valve of leakproofness, includes valve body (1), its characterized in that: the top of valve body (1) is equipped with valve gap (2), the top of valve gap (2) is equipped with screw rod support (3), screw rod support (3) interpolation is equipped with valve rod (4), extend to valve body (1) in the bottom of valve rod (4), be connected with lining glue flashboard (5) on valve rod (4), be connected through valve rod bolt (6) between lining glue flashboard (5) and valve rod (4), hand wheel (7) have been cup jointed to the top of valve rod (4) is fixed, be connected through T type bolt (8) between screw rod support (3) and valve rod (4), be connected through circular bolt (9) between valve rod (4) and hand wheel (7), cup jointed gland (10) on the lateral wall that valve rod (4) are located screw rod support (3), be connected through locking bolt (11) between gland (10) and screw rod support (3), be equipped with flat gasket (12) between gland (10) and screw rod support (3) inner wall.

2. The novel fire-fighting gate valve with good sealing performance as claimed in claim 1, is characterized in that: a taper pin (13) is inserted between the rubber lining flashboard (5) and the valve rod (4).

3. A novel fire gate valve with good sealing performance as claimed in claim 1, wherein: the valve cover (2) and the valve body (1) are fixed through a plurality of hexagon socket head cap screws (14).

4. The novel fire-fighting gate valve with good sealing performance as claimed in claim 1, is characterized in that: and a nameplate (15) is arranged on the upper surface of the hand wheel (7).

5. The novel fire-fighting gate valve with good sealing performance as claimed in claim 1, is characterized in that: a first O-shaped sealing ring (16) is arranged at the joint of the valve cover (2) and the valve body (1), and a second O-shaped sealing ring (17) is arranged between the valve cover (2) and the screw rod support (3).