CN212028547U

CN212028547U - Prevent blockking up lining fluorine stop valve

Info

Publication number: CN212028547U
Application number: CN202020712845.4U
Authority: CN
Inventors: 沈永增; 沈民侠
Original assignee: Zhejiang Yonglian Valve Group Co ltd
Current assignee: Zhejiang Yonglian Valve Group Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-11-27
Anticipated expiration: 2030-04-30

Abstract

The utility model relates to the technical field of stop valves, in particular to an anti-blocking fluorine-lined stop valve, which comprises a valve seat, wherein the top of the valve seat is fixedly provided with a sealing end cover, the top of the sealing end cover is fixedly provided with a mounting frame, the inner part of the mounting frame is connected with a valve rod through a thread, the top end of the valve rod is fixedly provided with a hand wheel, the bottom end of the valve rod penetrates through the sealing end, and extend to the inside of disk seat, the bottom fixed connection of valve rod has the valve clack, rotate on the valve rod and install fixed cover, buffer gear is installed to the bottom of fixed cover, dredging mechanism is installed to the bottom of valve clack, dredging mechanism includes the fixing base, fixing base fixed mounting is in the bottom of valve clack, the bottom fixed mounting of fixing base has the dead lever, fixed mounting has a plurality of driving levers on the lateral wall of dead lever, evenly distributed on the dead lever is moved lever, the inlet has been seted up to the one end of disk seat, the liquid outlet has been seted. The utility model discloses a practicality is strong, is worth promoting.

Description

Prevent blockking up lining fluorine stop valve

Technical Field

The utility model relates to a stop valve technical field especially relates to a prevent blockking up fluorine lining stop valve.

Background

The stop valve, also called stop valve, is the most widely used valve, it is popular because the friction between the sealing surfaces is small during the opening and closing process, it is durable, the opening height is not large, it is easy to manufacture, it is convenient to maintain, it is not only suitable for medium and low pressure, but also suitable for high pressure. The motion form of the valve rod is a lifting rod type and a lifting rotating rod type, and the stop valve is only suitable for full opening and full closing and is not allowed to be adjusted and throttled; the stop valve commonly used in the market at present is a fluorine-lined stop valve, but when the general fluorine-lined stop valve is used, when manual rotating force is too large, the valve flap and the sealing layer are mutually extruded to cause damage and influence on the sealing effect, and the valve flap is influenced by fluid, is easy to deviate and cannot be tightly attached to the sealing layer; in addition, after fluid gets into the valve body inside, because some liquid have some impurity, lead to the inside jam of valve body very easily, and the mediation is very difficult after the jam to prior art's stop valve.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem of difficult dredging after blockage in the prior art, and providing a blockage-preventing fluorine-lined stop valve.

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

the anti-blocking fluorine-lined stop valve comprises a valve body, wherein a sealing end cover is fixedly installed at the top of the valve body, a mounting frame is fixedly installed at the top of the sealing end cover, a valve rod is connected with the interior of the mounting frame in a threaded manner, a hand wheel is fixedly installed at the top end of the valve rod, the bottom end of the valve rod penetrates through the sealing end cover and extends into the valve body, a valve clack is fixedly connected at the bottom of the valve rod, a fixing sleeve is rotatably installed on the valve rod, a buffer mechanism is installed at the bottom end of the fixing sleeve, a dredging mechanism is installed at the bottom end of the valve clack and comprises a fixing seat, the fixing seat is fixedly installed at the bottom end of the valve clack, a fixing rod is fixedly installed at the bottom of the fixing seat, a, and a liquid outlet is formed in the other end of the valve body.

Preferably, the valve body is fixedly provided with an anticorrosive coating inside, and the valve body is fixedly provided with a sealing gasket corresponding to the valve clack inside.

Preferably, a sealing ring is placed inside the sealing end cover.

Preferably, the buffer mechanism comprises an insertion rod, a slot matched with the insertion rod is formed in the bottom end of the mounting frame, and the insertion rod is inserted into the slot and is in sliding connection with the slot.

Preferably, the inserted bar is sleeved with a spring, and the diameter of the outer ring of the spring is larger than that of the slot.

The utility model provides a prevent blockking up fluorine lining stop valve, beneficial effect lies in: the design of dredge mechanism, the effect lies in, and when rotating the hand wheel in-process, the valve clack also can take place to rotate, and the driving lever on the dead lever this moment can rotate, and this just makes the driving lever dredge valve body inside, avoids causing inside to block up.

Drawings

Fig. 1 is a schematic structural view of an anti-clogging fluorine-lined stop valve provided by the present invention;

FIG. 2 is an enlarged schematic view of the portion A of FIG. 1;

fig. 3 is the utility model provides a block up structural schematic diagram of dredging mechanism of fluorine lining stop valve.

In the figure: the valve comprises a valve body 1, a sealing end cover 2, a fixing bolt 3, a sealing ring 4, an installation frame 5, a valve rod 6, a hand wheel 7, a fixing sleeve 8, a buffering mechanism 9, an inserting rod 91, a spring 92, a slot 93, a valve clack 10, a dredging mechanism 11, a fixing seat 111, a fixing rod 112, a deflector rod 113, a liquid inlet 12, a liquid outlet 13, an anticorrosive coating 14 and a sealing gasket 15.

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.

Example 1:

referring to fig. 1-3, an anti-clogging fluorine-lined stop valve comprises a valve body 1, a sealing end cover 2 is fixedly installed at the top of the valve body 1, an installation frame 5 is fixedly installed at the top of the sealing end cover 2, a valve rod 6 is connected to the inside of the installation frame 5 through threads, a hand wheel 7 is fixedly installed at the top end of the valve rod 6, the bottom end of the valve rod 6 penetrates through the sealing end cover 2 and extends into the valve body 1, a valve clack 10 is fixedly connected to the bottom of the valve rod 6, a fixing sleeve 8 is rotatably installed on the valve rod 6, a buffer mechanism 9 is installed at the bottom end of the fixing sleeve 8, a dredging mechanism 11 is installed at the bottom end of the valve clack 10, the dredging mechanism 11 comprises a fixing seat 111, the fixing seat 111 is fixedly installed at the bottom end of the valve clack 10, a fixing rod 112, the other end of the valve body 1 is provided with a liquid outlet 13.

The design of dredging mechanism 11, the effect lies in, when rotating the hand wheel 7 in-process, valve clack 10 also can take place to rotate, and driving lever 113 on the dead lever 112 can rotate this moment, and this just makes driving lever 113 dredge valve body 1 is inside, avoids causing inside jam.

Example 2:

referring to fig. 1-2, as another preferred embodiment of the present invention, the difference from embodiment 1 is that an anticorrosive coating 14 is fixedly installed on the inside of the valve body 1, and the anticorrosive coating 14 can effectively protect the inner wall of the valve body 1 and prevent the inner wall from being corroded by liquid; a sealing gasket 15 corresponding to the valve clack 10 is fixedly arranged in the valve body 1, and a sealing ring 4 is arranged in the sealing end cover 2; the sealing gasket 15 and the sealing ring 4 can ensure the whole sealing performance of the stop valve.

Example 3:

referring to fig. 1-2, as another preferred embodiment of the present invention, the difference from embodiment 1 or embodiment 2 is that the buffering mechanism 9 includes an insertion rod 91, a slot 93 matching with the insertion rod 91 is formed at the bottom end of the mounting frame 5, the insertion rod 91 is inserted into the slot 93 and is slidably connected with the slot 93, a spring 92 is sleeved on the insertion rod 91, and the outer ring diameter of the spring 92 is greater than the diameter of the slot 93. When the valve rod acts on the valve clack 10 and extrudes downwards, the plug rod 91 is plugged in the slot 93, and the spring 92 provides a moving buffering force, so that the damage to the inner wall caused by the overlarge pressure of the valve clack 10 on the inner wall of the valve body 1 is avoided.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a prevent blockking up fluorine lining stop valve, includes valve body (1), the top fixed mounting of valve body (1) has end cover (2), the top fixed mounting of end cover (2) has mounting bracket (5), mounting bracket (5) internal thread is connected with valve rod (6), valve rod (6) top fixed mounting has hand wheel (7), seal cover (2) is run through to the bottom of valve rod (6), and extends to the inside of valve body (1), the bottom fixed connection of valve rod (6) has valve clack (10), its characterized in that, rotate on valve rod (6) and install fixed cover (8), buffer gear (9) are installed to the bottom of fixed cover (8), dredge mechanism (11) are installed to the bottom of valve clack (10), dredge mechanism (11) including fixing base (111), fixing base (111) fixed mounting is in the bottom of valve clack (10), the bottom fixed mounting of fixing base (111) has dead lever (112), fixed mounting has a plurality of driving levers (113) on the lateral wall of dead lever (112), driving lever (113) evenly distributed on dead lever (112), inlet (12) have been seted up to the one end of valve body (1), liquid outlet (13) have been seted up to the other end of valve body (1).

2. The anti-clogging fluorine-lined stop valve according to claim 1, characterized in that an anti-corrosion layer (14) is fixedly arranged inside the valve body (1), and a sealing gasket (15) corresponding to the valve clack (10) is fixedly arranged inside the valve body (1).

3. An anti-clogging fluorine-lined stop valve according to claim 1, characterized in that a sealing ring (4) is placed inside the sealing end cap (2).

4. The anti-clogging fluorine-lined stop valve according to claim 1, wherein the buffer mechanism (9) comprises an insertion rod (91), the bottom end of the mounting frame (5) is provided with a slot (93) matched with the insertion rod (91), and the insertion rod (91) is inserted into the slot (93) and is slidably connected with the slot (93).

5. The anti-clogging fluorine-lined stop valve according to claim 4, characterized in that the insert rod (91) is sleeved with a spring (92), and the outer ring diameter of the spring (92) is larger than the diameter of the slot (93).