CN217271996U

CN217271996U - Internal thread gate valve with fastening connection

Info

Publication number: CN217271996U
Application number: CN202220386945.1U
Authority: CN
Inventors: 叶跃跃; 朱琳莉
Original assignee: Jiangsu Tesike Valve Manufacturing Co ltd
Current assignee: Jiangsu Tesike Valve Manufacturing Co ltd
Priority date: 2022-02-25
Filing date: 2022-02-25
Publication date: 2022-08-23
Anticipated expiration: 2032-02-25

Abstract

The utility model discloses an internal thread gate valve with fastening connection relates to gate valve technical field, which comprises a valve body, the bottom fixed mounting of valve body has stop gear, the middle part swing joint of valve body left surface has the connection pump, the left end fixedly connected with valve at connection pump top, the right-hand member fixedly connected with head rod at connection pump top, the lower extreme fixedly connected with second connecting rod of the right flank of stop gear, the right-hand member fixedly connected with sealing mechanism at valve body top, the top fixedly connected with axis of rotation of gate valve cap, the inside bottom fixed mounting of box has gate valve lift pivot, the top fixed mounting of gate valve lift pivot has second gate valve hand wheel. A female screw gate valve with fastening connection, through stop gear, valve, the sealing mechanism who sets up, reach when effectual to the fastening carry out current-limiting, stability good and be convenient for sealed effect to liquid.

Description

Internal thread gate valve with fastening connection

Technical Field

The utility model relates to a gate valve technical field, in particular to female screw gate valve with fastening connection.

Background

The gate valve is a starting and stopping piece gate plate, the movement direction of the gate plate is vertical to the fluid direction, the gate valves on the market at present are various, an internal thread gate valve is also called a stop valve, the valve belongs to a forced sealing type valve, the closing principle of the gate valve is that the sealing surface of a valve clack is tightly attached to the sealing surface of a valve seat by the pressure of a valve rod to prevent medium from flowing, when the gate valve is closed, the sealing surface can be sealed only by the pressure of the medium, namely, the sealing surface of the gate plate is pressed to the valve seat on the other side by the pressure of the medium to ensure the sealing of the sealing surface, namely, the gate valve is self-sealed. Most gate valves are forcedly sealed, namely, when the valves are closed, the gate plates are forced to press the valve seats by external force so as to ensure the sealing performance of the sealing surfaces.

A female threaded gate valve with a tight connection is proposed in the patent publication CN214222135U, which includes a gate valve pipe, a female threaded connector, an insert mounting pipe, a hoop mechanism, a reinforcing rod, a bolt, a locking ring, a receiving screw, but there are two problems:

1. the valve is rotated frequently, instability of the internal thread valve can be caused, internal thread connection is caused to be loosened, sealing effect is affected, medium flows out, and waste of the medium is caused.

2. The gate valve is difficult to use due to the fact that the gate valve is hard to use, and sometimes the gate valve is difficult to open due to the fact that a hand wheel of the gate valve is too small after the gate valve is used for a long time.

In view of the above problems, it is desirable to design a female threaded gate valve with a secure connection to overcome the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides an interior thread gate valve with fastening connection can effectively solve the problem among the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an internal thread gate valve with fastening connection, includes the valve body, the bottom fixed mounting of valve body has stop gear, the middle part swing joint of valve body left surface has the pump of connection, the left end fixedly connected with valve at connection pump top connects the right-hand member fixedly connected with head rod at pump top, the top fixed mounting of head rod has the box, the lower extreme fixedly connected with second connecting rod of the right flank of stop gear, the right-hand member fixedly connected with sealing mechanism at valve body top, sealing mechanism's top fixedly connected with valve handle.

Preferably, the bottom of valve and the top fixedly connected with gate valve shell of connecting the pump, the top fixedly connected with gate valve cap of gate valve shell, the top fixedly connected with axis of rotation of gate valve cap, the top fixedly connected with installation cover of axis of rotation, the top fixed mounting of installation cover has first gate valve hand wheel, and the left and right sides of installation cover and the first gate valve hand wheel swing joint at valve top have the stiffener, and first gate valve hand wheel passes through the axis of rotation and is connected pump swing joint.

Preferably, the middle part at stop gear top fixed mounting has the cylinder, and the equal fixed mounting in the left and right sides at stop gear top has spacing post, and the second connecting rod is through alternate stop gear's left and right sides face swing joint another stop gear, and the quantity of cylinder is two, and the quantity of spacing post is four.

Preferably, the bottom of the interior of the box body is fixedly provided with a gate valve lifting rotating shaft, the top of the gate valve lifting rotating shaft is fixedly provided with a second gate valve hand wheel, the four walls of the interior of the box body are fixedly connected with the box body through a gate valve hydraulic lifting device, and the second gate valve hand wheel is movably connected with the connecting pump through the gate valve lifting rotating shaft and a first connecting rod.

Preferably, the inside middle part fixed mounting of connecting pump has the brake valve board, the left surface fixed mounting of brake valve board has the sealing layer, the left surface fixed mounting of sealing layer has the anticorrosive coating, connects the equal fixed mounting in both ends about the pump top and has the quantity of mounting hole sealing layer, anticorrosive coating to be two, and the quantity of mounting hole is four.

Preferably, the number of the connecting pumps and the number of the sealing mechanisms are two.

Advantageous effects

Compared with the prior art, the utility model discloses following beneficial effect has:

1. this internal thread gate valve with fastening connection, through the stop gear who sets up, aim at carries out spacing effect, stability good to connecting the pump.

2. This internal thread gate valve with fastening connection can carry out a lot of simultaneously through sealing mechanism, the axis of rotation that sets up and seal, has reduced the sealing pressure of piston, has improved sealing mechanism's life, has solved current internal thread gate valve and when sealing up liquid, because long-time use, causes the aggravation of valve plate wearing and tearing easily to lead to sealed effect to reduce, reduced its life's problem.

3. This internal thread gate valve with fastening connection through gate valve hydraulic pressure elevating gear, the gate valve board that sets up, reaches the connection firm to connecting the pump, and the cooperation valve is strengthened fixing and control connecting the pump.

Drawings

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

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

FIG. 3 is a schematic structural view of a limiting mechanism of the present invention;

fig. 4 is a schematic structural diagram of the sealing mechanism of the present invention.

In the figure: 1. a valve body; 2. a limiting mechanism; 3. connecting a pump; 4. a valve; 5. a first connecting rod; 6. a box body; 7. a second connecting rod; 8. a sealing mechanism; 9. a valve handle; 10. a gate valve housing; 11. a gate cap; 12. a rotating shaft; 13. installing a sleeve; 14. a first gate valve hand wheel; 15. a reinforcing bar; 16. a cylinder; 17. a limiting column; 18. a gate valve lifting rotating shaft; 19. a gate valve hydraulic lifting device; 20. a second gate valve hand wheel; 21. a gate plate; 22. a sealing layer; 23. an anticorrosive layer; 24. and (7) installing holes.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, an internal thread gate valve with fastening connection comprises a valve body 1, a limiting mechanism 2 is fixedly installed at the bottom of the valve body 1, a connection pump 3 is movably connected to the middle of the left side surface of the valve body 1, a valve 4 is fixedly connected to the left end of the top of the connection pump 3, a gate valve housing 10 is fixedly connected to the bottom of the valve 4 and the top of the connection pump 3, a gate valve cap 11 is fixedly connected to the top of the gate valve housing 10, a rotation shaft 12 is fixedly connected to the top of the gate valve cap 11, an installation sleeve 13 is fixedly connected to the top of the rotation shaft 12, a first gate valve hand wheel 14 is fixedly installed on the top of the installation sleeve 13, reinforcing rods 15 are movably connected to the left side and the right side of the installation sleeve 13 and the first gate valve hand wheel 14 on the top of the valve 4 through the rotation shaft 12, a first gate valve hand wheel 14 is movably connected to the connection pump 3 through the rotation shaft 12, and a first connection rod 5 is fixedly connected to the right end of the top of the connection pump 3, the top of the first connecting rod 5 is fixedly provided with a box body 6, the lower end of the right side surface of the limiting mechanism 2 is fixedly connected with a second connecting rod 7, the right end of the top of the valve body 1 is fixedly connected with a sealing mechanism 8, the number of the connecting pumps 3 and the sealing mechanisms 8 is two, the top of the sealing mechanism 8 is fixedly connected with a valve handle 9, the middle part of the top of the limiting mechanism 2 is fixedly provided with an air cylinder 16, the left side and the right side of the top of the limiting mechanism 2 are fixedly provided with limiting columns 17, the second connecting rod 7 is movably connected with another limiting mechanism 2 by penetrating through the left side surface and the right side surface of the limiting mechanism 2, the number of the air cylinders 16 is two, the number of the limiting columns 17 is four, the bottom inside the box body 6 is fixedly provided with a gate valve lifting rotating shaft 18, the top of the gate valve lifting rotating shaft 18 is fixedly provided with a second gate valve hand wheel 20, and the four walls inside the box body 6 are fixedly connected with the box body 6 by a gate valve hydraulic lifting device 19, second gate valve hand wheel 20 is through gate valve lift pivot 18, head rod 5 and be connected 3 swing joint of pump, and the inside middle part fixed mounting of connection pump 3 has a gate valve board 21, the left surface fixed mounting of gate valve board 21 has sealing layer 22, and the left surface fixed mounting of sealing layer 22 has anticorrosive coating 23, connects the equal fixed mounting in both ends about pump 3 top has the quantity of mounting hole 24 sealing layer 22, anticorrosive coating 23 to be two, and the quantity of mounting hole 24 is four.

It should be noted that the utility model relates to an internal thread gate valve with fastening connection, when using, through the stop gear 2 installed at the top of the valve body 1, the height of the valve body 1 is highly limited, through the cylinder 16 and two spacing posts 17 installed at the top of the stop gear 2, the height of the valve body 1 is adjusted, the valve 4 installed at the top of the connecting pump 3, the first gate valve hand wheel 14 installed at the top of the valve 4 drives the rotation shaft 12 to rotate, the installation sleeve 13 is not installed at the top of the rotation shaft 12, the protection of the valve 4 is achieved, the valve 4 is damaged when being placed in cold weather, two reinforcing rods 15 are installed, the service life of the valve 4 is prolonged, and the two sealing mechanisms 8 are fixedly installed at the right end of the top of the two valve bodies 1, and the high-strength fastening and control are achieved by matching with the starting of the valve 4, be convenient for when rivers pass through connecting pump 3, valve body 1 is controlled first valve body 1 through valve 4, at another sealing mechanism 8 of 1 top fixed mounting of two valve bodies, reach the effect of sealing up it, avoid female screw gate valve to open or close the embedding valve body 1 that arouses and damage, female screw gate valve's steadiness has effectively been improved, female screw gate valve's sealed effect has been increased, the security of use has been improved, right-hand member fixed mounting at connecting pump 3 top has head rod 5, at the first gate valve hand wheel 14 of 6 inside fixedly connected with of box, protect axis of rotation 12, the effect of total gate valve is played, and service life is prolonged.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an internal thread gate valve with fastening connection, includes valve body (1), the bottom fixed mounting of valve body (1) has stop gear (2), its characterized in that: the middle part swing joint at valve body (1) left surface has connecting pump (3), the left end fixedly connected with valve (4) at connecting pump (3) top, the right-hand member fixedly connected with head rod (5) at connecting pump (3) top, the top fixed mounting of head rod (5) has box (6), lower extreme fixedly connected with second connecting rod (7) of the right flank of stop gear (2), right-hand member fixedly connected with sealing mechanism (8) at valve body (1) top, the top fixedly connected with valve handle (9) of sealing mechanism (8).

2. A female threaded gate valve with a secure connection according to claim 1, characterized in that: the bottom of valve (4) and top fixedly connected with gate valve shell (10) of connecting pump (3), the top fixedly connected with gate valve cap (11) of gate valve shell (10), the top fixedly connected with axis of rotation (12) of gate valve cap (11), the top fixedly connected with installation cover (13) of axis of rotation (12), the top fixed mounting of installation cover (13) has first gate valve hand wheel (14), and the left and right sides of installation cover (13) and first gate valve hand wheel (14) swing joint at valve (4) top have stiffener (15), and first gate valve hand wheel (14) are through axis of rotation (12) and connecting pump (3) swing joint.

3. A female threaded gate valve with a secure connection according to claim 1, characterized in that: the middle part fixed mounting at stop gear (2) top has cylinder (16), and the equal fixed mounting in the left and right sides at stop gear (2) top has spacing post (17), and second connecting rod (7) are through alternate another stop gear (2) of left and right sides face swing joint of stop gear (2), and the quantity of cylinder (16) is two, and the quantity of spacing post (17) is four.

4. A female threaded gate valve with a secure connection according to claim 1, characterized in that: the bottom fixed mounting of box (6) inside has gate valve lift pivot (18), the top fixed mounting of gate valve lift pivot (18) has second gate valve hand wheel (20), and gate valve hydraulic pressure elevating gear (19) and box (6) fixed connection are passed through to the inside four walls of box (6), and second gate valve hand wheel (20) are through gate valve lift pivot (18), head rod (5) and connecting pump (3) swing joint.

5. A female threaded gate valve with a secure connection according to claim 1, characterized in that: connect inside middle part fixed mounting of pump (3) have gate valve board (21), the left surface fixed mounting of gate valve board (21) has sealing layer (22), the left surface fixed mounting of sealing layer (22) has anticorrosive coating (23), connects about pump (3) top the equal fixed mounting in both ends have the quantity of mounting hole (24) sealing layer (22), anticorrosive coating (23) to be two, and the quantity of mounting hole (24) is four.

6. A female threaded gate valve with a secure connection according to claim 1, characterized in that: the connecting pumps (3) and the sealing mechanisms (8) are two in number.