CN208793630U - A kind of valve sealing mechanism - Google Patents

Abstract

The utility model provides a kind of valve sealing mechanism, including including handle, valve rod, valve deck, valve body and valve plate, it is related to valve field, the inside of valve body is fixedly installed seal chamber, and the inner wall of seal chamber is fixedly installed chimera, and the bottom end of valve rod is fixedly installed seal, seal includes sealing column, chimeric head and sealing ring, chimeric head is fixed at one end of sealing column, and sealing ring is fixed at the junction of chimeric head and sealing column, and the inside of valve body is fixedly installed chimeric set.Achieve the effect that valve inner is made to be in sealing state by seal chamber, achieve the effect that seal chamber is made to be in sealing state by chimera, achieve the effect that seal chamber is made to be in sealing state by seal, achieve the effect that make in sealing state to achieve the effect that chimeric head is assisted to make between chimeric set and seal chamber in sealing state by sealing ring between chimeric set and seal chamber by chimeric head.

Description

A kind of valve sealing mechanism

Technical field

The utility model relates to valve field, specially a kind of sealing mechanism.

Background technique

Valve, valve are the mechanical devices of flow, flow direction, pressure, temperature of fluid media (medium) of control flowing etc., and valve is Basic component in pipe-line system.

Valve be used to control in the fluid system the direction of fluid, pressure, flow device.Valve is to make to be piped and set Standby interior medium (liquid, gas, powder) flowing or the device that stops and can control its flow.Valve is pipeline fluid delivery system Control unit in system, it is that have water conservancy diversion, cut-off, throttling, non-return, shunting for changing access section and flow direction of medium Or the functions such as overflow release, and sealing performance of the valve when controlling flow must reach very high height and just be able to satisfy its function Effect, so the sealing element of valve must reach certain requirement, but existing valve generallys use single layer sealing in leakproofness, and Most valve is all that seal structure damage or sealing deficiency cause valve to be unable to normal use, not only causes leakage damage It loses, also reduces working efficiency, while valve must also be replaced, and cost is increased, therefore, it is necessary on existing valve mechanism It improves, a kind of new valve sealing mechanism is provided.

Utility model content

(1) the technical issues of solving

The technology for only having single layer sealing structure to lead to valve tightness difference when in use for the sealing mechanism of the prior art Problem, the utility model provide a kind of valve sealing mechanism, are reached by setting seal chamber, chimera and seal in valve During door use, achieve the effect that carry out valve internal multi-layer sealed.

(2) technical solution

In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of valve sealing mechanism, Including handle, valve rod, valve deck, valve body and valve plate, valve plate is fixed at the inside of valve body, and valve deck rotary sleeve is mounted in the table of valve body Face, valve rod rotate the inside for being embedded in valve body, and handle is fixed at the top of valve rod；

The inside of valve body is fixedly installed seal chamber, and the inner wall of seal chamber is fixedly installed chimera, and the bottom end of valve rod is solid Surely it is provided with seal, seal includes that sealing column, chimeric head and sealing ring, chimeric head are fixed at one end of sealing column, Sealing ring is fixed at the junction of chimeric head and sealing column, and the inside of valve body is fixedly installed chimeric set.

Preferably, the lower section of valve deck is arranged in seal chamber, and valve rod is through in seal chamber one end.

It preferably, there are four chimera settings, and is semicircle rubber bodies.

Preferably, sealing column is set as the rubber column of surface concave shape, and sealing column and chimera match, and sealing column is embedding Enter in seal chamber.

Preferably, it is trapezoidal Rubber end that chimeric head, which is set as vertical section,.

Preferably, sealing ring is set as rubber ring.

Preferably, it is fitted into set to communicate with seal chamber, and the chimeric lower section for being set on seal chamber.

Preferably, the inside for being fitted into set is the rubber column of arc convex shape, and matches with seal.

(3) beneficial effect

(1) the utility model provides a kind of valve sealing mechanism, passes through setting seal chamber 6, chimera 7 and sealing Body 8 reaches during valve use, achievees the effect that carry out valve internal multi-layer sealed.

(2) the utility model provides a kind of valve sealing mechanism, and being reached by seal chamber 6 makes to be in inside valve body 4 The effect of sealing state achievees the effect that seal chamber 6 is made to be in sealing state by chimera 7, reached by seal 8 make it is close Envelope chamber 6 is in the effect of sealing state, and being reached by chimeric head 11 makes to be in sealing state between chimeric set 9 and seal chamber 6 Effect achievees the effect that chimeric head 11 is assisted to make to lead between chimeric set 9 and seal chamber 6 in sealing state by sealing ring 12 It crosses chimeric set 9 and achievees the effect that auxiliary seal body 8 to being sealed inside valve body 4, by the above, reaching makes valve internal Achieve the effect that good seal, using effect is fine.

Detailed description of the invention

Fig. 1 is the structural plan figure of utility model device ontology.

Fig. 2 is that the utility model is fitted into nested structure schematic diagram.

Fig. 3 is the utility model sealing column structural schematic diagram.

In Fig. 1-3: 1 handle, 2 valve rods, 3 valve decks, 4 valve bodies, 5 valve plates, 6 seal chambers, 7 chimeras, 8 seals, 9 are fitted into Set, 10 sealing columns, 11 chimeric heads, 12 sealing rings.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

1 handle, 2 valve rods used in the utility model, 3 valve decks, 4 valve bodies, 5 valve plates, 8 seals, 12 sealing rings As obtained by being bought market or individual is customized.

The utility model embodiment provides a kind of valve sealing mechanism, as shown in Figure 1-3, include handle 1, valve rod 2, valve Lid 3, valve body 4 and valve plate 5, valve plate 5 are fixed at the inside of valve body 4, and 3 rotary sleeve of valve deck is mounted in the surface of valve body 4, valve rod 2 Rotation is embedded in the inside of valve body 4, and handle 1 is fixed at the top of valve rod 2；

The inside of valve body 4 is fixedly installed seal chamber 6, and seal chamber 6 is arranged in the lower section of valve deck 3, valve rod 2 through 6 one end of seal chamber is achieved the effect that make by seal chamber 6 in sealing state inside valve body 4, and the inner wall fixation of seal chamber 6 is set It is equipped with chimera 7, there are four the settings of chimera 7, and is semicircle rubber bodies, and reaching by chimera 7 makes seal chamber 6 be in close The effect of envelope state, the bottom end of valve rod 2 are fixedly installed seal 8, and being reached by seal 8 makes seal chamber 6 be in seal shape The effect of state, seal 8 include sealing column 10, chimeric head 11 and sealing ring 12, and chimeric head 11 is fixed at sealing column 10 One end, sealing ring 12 are fixed at the junction of chimeric head 11 and sealing column 10, and sealing column 10 is set as surface concave shape Rubber column, sealing column 10 and chimera 7 match, and sealing column 10 is embedded in seal chamber 6, and chimeric head 11 is set as vertical section For trapezoidal Rubber end, achieve the effect that make between chimeric set 9 and seal chamber 6 in sealing state, sealing by chimeric head 11 Ring 12 is set as rubber ring, and reaching the chimeric head 11 of auxiliary by sealing ring 12 makes between chimeric set 9 and seal chamber 6 in seal shape The effect of state, the inside of valve body 4 are fixedly installed chimeric set 9, and chimeric set 9 is communicated with seal chamber 6, and chimeric 9 setting of set is sealing The lower section of chamber 6, the inside for being fitted into set 9 is the rubber column of arc convex shape, and matches with seal 8, is reached by chimeric set 9 To auxiliary seal body 8 to the effect being sealed inside valve body 4.

Concrete principle: user of service's rotational handle 1 makes valve rod 2 carry out rotation decline inside valve body 4, and valve rod 2 is embedding at this time Enter in seal chamber 6, chimera 7 is mutually fitted into 10 surface of sealing column, is fitted into the bottom that head 11 and sealing column 10 run through seal chamber 6 End, into chimeric set 9, while 9 inside of chimeric set is mutually chimeric with the surface of sealing column 10,10 auxiliary seal body 8 of sealing ring into Row sealing, completes sealing.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (8)

1. a kind of valve sealing mechanism, including handle (1), valve rod (2), valve deck (3), valve body (4) and valve plate (5), valve plate (5) It is fixed at the inside of valve body (4), valve deck (3) rotary sleeve is mounted in the surface of valve body (4), and valve rod (2) rotation is embedded in valve body (4) inside, handle (1) are fixed at the top of valve rod (2)；

It is characterized by: the inside of valve body (4) is fixedly installed seal chamber (6), the inner wall of seal chamber (6) is fixedly installed chimeric Body (7), the bottom end of valve rod (2) are fixedly installed seal (8), and seal (8) includes sealing column (10), chimeric head (11) and close Seal ring (12), chimeric head (11) are fixed at one end of sealing column (10), and sealing ring (12) is fixed at chimeric head (11) With the junction of sealing column (10), the inside of valve body (4) is fixedly installed chimeric set (9).

2. a kind of valve sealing mechanism according to claim 1, it is characterised in that: the seal chamber (6) is arranged in valve The lower section of (3) is covered, valve rod (2) is through in seal chamber (6) one end.

3. a kind of valve sealing mechanism according to claim 1, it is characterised in that: the chimera (7) is provided with four It is a, and be semicircle rubber bodies.

4. a kind of valve sealing mechanism according to claim 1, it is characterised in that: the sealing column (10) is set as table The rubber column of face concave shape, sealing column (10) and chimera (7) match, and sealing column (10) is embedded in seal chamber (6).

5. a kind of valve sealing mechanism according to claim 1, it is characterised in that: the chimeric head (11) is set as perpendicular Section is trapezoidal Rubber end.

6. a kind of valve sealing mechanism according to claim 1, it is characterised in that: the sealing ring (12) is set as rubber Rubber ring.

7. a kind of valve sealing mechanism according to claim 1, it is characterised in that: the chimeric set (9) and seal chamber (6) it communicates, and chimeric set (9) setting is in the lower section of seal chamber (6).

8. a kind of valve sealing mechanism according to claim 7, it is characterised in that: the inside of the chimeric set (9) is The rubber column of arc convex shape, and matched with seal (8).