CN222209406U - Valve with high sealing performance - Google Patents

Abstract

The utility model discloses a valve with high sealing performance, whose structure includes a valve body, a handle, a connecting port, a limiting hole and a sealing structure. The utility model provides a sealing structure on the outer side of the connecting port, and the first and second limiting grooves provided on the inner side of the sealing structure can achieve a better sealing fit effect for the external connecting pipe, and the provision of a smooth layer improves the smoothness of the sealing surface, which is more convenient for the sealed connection of external pipe fittings and effectively improves the sealing performance of the pipe fittings. A protective layer and a wear-resistant smooth layer are provided on the inner side of an inner ring, and the provision of the protective layer not only effectively improves the anti-corrosion performance of the inner ring, but also improves the service life of the inner ring, and the provision of the wear-resistant smooth layer not only improves the flow rate of the valve body, but also further enhances the service life of the inner ring.

Description

Valve with high sealing performance

Technical Field

The utility model relates to a valve with high sealing performance, and belongs to the field of valves.

Background

The valve is a pipeline accessory for opening and closing a pipeline, controlling flow direction, adjusting and controlling parameters (temperature, pressure and flow of a conveying medium) and can be divided into a shut-off valve, a check valve, a regulating valve and the like according to the functions, and is a control component in a fluid conveying system, has the functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, splitting or overflow pressure relief and the like, is used for a fluid control system, and is quite various in variety and specification from a simplest shut-off valve to various valves used in a very complex automatic control system, and the valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive mediums, slurry, oil, liquid metal, radioactive mediums and the like.

The Chinese patent discloses a high-tightness valve (publication No. CN 219263478U), which comprises a valve body, wherein outer rings at two ends of the valve body are fixedly connected with connecting flanges, inner cavities of the connecting flanges are fixedly connected with a sealing air cushion I, outer surfaces at two ends of the valve body are respectively provided with an outer sealing structure, inner cavities at two ends of the valve body are respectively provided with a sealing groove, and inner cavities of the sealing grooves are respectively provided with an inner sealing structure. This high leakproofness valve through the setting of outer seal structure, and outer seal structure can seal it from the outside of this valve junction, improves the leakproofness of this valve, and seal air cushion is located flange's inner chamber, reduces external environment to the influence of seal air cushion two, prolongs the life of seal air cushion two, through the setting of inner seal structure, the resilience force of spring makes the junction of sealing washer and this valve be in closely laminating state all the time, reduces the influence of rubber ageing to sealing washer and this valve junction laminating degree.

When the pipe fitting connected with the valve body connector is connected and fixed, a gap is reserved at the joint, a certain dripping condition exists, the connecting surface is rough, the finish of the sealing surface is poor, the pipe fitting is not easy to be connected with the pipe fitting in a sealing mode, and the sealing performance is affected.

Disclosure of utility model

Aiming at the defects existing in the prior art, the utility model aims to provide a valve with high sealing performance, so as to solve the problems that when the pipe fitting connected with a valve body connecting port is connected and fixed in the prior art, a gap is reserved at the connecting position, a certain dripping condition exists, the connecting surface is rough, the smoothness of the sealing surface is poor, the sealing surface is difficult to be connected with the pipe fitting in a better sealing way, and the sealing performance is influenced.

The valve with high tightness comprises a valve body, a handle, a connecting port, limiting holes and a sealing structure, wherein the top of the valve body is connected with the handle, the left end and the right end of the valve body are fixed with the connecting port into a whole, the limiting holes are formed in the outer side of the connecting port, the middle of the outer side of the connecting port is fixed with the sealing structure, the sealing structure comprises an outer ring, a sealing ring, a limiting structure and an inner ring, the inner side wall of the outer ring is provided with the sealing ring, the outer side of the inner ring is fixed with the sealing ring, the limiting structure is formed in the middle of the connecting position of the outer ring and the inner ring, and the rear end of the outer ring is fixed with the connecting port into a whole.

Further, limit structure includes first spacing groove, second spacing groove and smooth layer, first spacing groove left end is connected with the second spacing groove, smooth layer sets up in first spacing groove and second spacing groove surface, first spacing groove and second spacing groove have been seted up in outer loop and inner loop hoops connection position middle part.

Further, the inner ring comprises a base layer, a protective layer and a wear-resistant smooth layer, wherein the protective layer and the wear-resistant smooth layer are sequentially arranged at the top of the base layer, and the outer side wall of the wear-resistant smooth layer is fixed with the airtight ring into a whole.

Further, the first limit groove and the second limit groove are integrally in a convex shape, and the middle part of the first limit groove is hollow.

Further, the protective layer and the wear-resistant smooth layer are arranged to be the same in thickness.

The valve with high tightness has the advantages that the sealing structure is arranged at the outer side of the connecting port, the first limit groove and the second limit groove are arranged at the inner side of the sealing structure, so that an external connecting pipe can achieve a better sealing fit effect, the smooth layer improves the smoothness of the sealing surface, the sealing connection of external pipe fittings is facilitated, and meanwhile, the sealing performance of the pipe fittings is effectively improved.

The valve with high sealing performance has the advantages that the protective layer and the wear-resistant smooth layer are arranged on the inner side of the inner ring, so that the anti-corrosion performance of the inner ring is effectively improved, the service life of the inner ring is prolonged, and the wear-resistant smooth layer is arranged, so that the flow of the valve body is improved, and the service life of the inner ring is further prolonged.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic side view of a containment structure of the present utility model;

FIG. 3 is a schematic side view of a partial structure of a containment ring according to the present utility model;

Fig. 4 is a schematic view of a front partial structure of an inner ring according to the present utility model.

In the figure, a valve body-1, a handle-2, a connecting port-3, a limiting hole-4, a sealing structure-5, an outer ring-51, a sealing ring-52, a limiting structure-53, an inner ring-54, a first limiting groove-531, a second limiting groove-532, a smooth layer-533, a base layer-541, a protective layer-542 and a wear-resistant smooth layer-543.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1, the utility model provides a valve with high tightness by improvement, which comprises a valve body 1, a handle 2, a connecting port 3, a limiting hole 4 and a sealing structure 5, wherein the top of the valve body 1 is connected with the handle 2, the left end and the right end of the valve body 1 are fixed with the connecting port 3 into a whole, the limiting hole 4 is arranged at the outer side of the connecting port 3, the middle part of the outer side of the connecting port 3 is fixed with the sealing structure 5, and the handle 2 is arranged to be more convenient for a user to operate.

Referring to fig. 2, the utility model provides a valve with high tightness by improving the sealing structure 5, which comprises an outer ring 51, a sealing ring 52, a limiting structure 53 and an inner ring 54, wherein the inner side wall of the outer ring 51 is provided with the sealing ring 52, the outer side of the inner ring 54 is fixed with the sealing ring 52, the limiting structure 53 is arranged in the middle of the connecting position of the outer ring 51 and the inner ring 54, the rear end of the outer ring 51 is fixed with a connecting port 3 into a whole, and the sealing ring 52 can effectively improve the sealing effect of the connection.

Referring to fig. 3, the present utility model provides a valve with high tightness by improving the above-mentioned structure, the limit structure 53 includes a first limit groove 531, a second limit groove 532 and a smooth layer 533, the left end of the first limit groove 531 is connected with the second limit groove 532, the first limit groove 531 and the second limit groove 532 are in a shape of a convex shape, the middle part of the first limit groove 531 is hollow, the smooth layer 533 is disposed on the outer surfaces of the first limit groove 531 and the second limit groove 532, the first limit groove 531 and the second limit groove 532 are disposed in the middle of the connection position of the outer ring 51 and the inner ring 54, and the smooth layer 533 effectively improves the finish of the sealing surface.

Referring to fig. 4, the valve with high tightness is provided in the present utility model by improving the structure that the inner ring 54 comprises a base layer 541, a protection layer 542 and a wear-resistant smooth layer 543, wherein the protection layer 542 and the wear-resistant smooth layer 543 are sequentially arranged on top of the base layer 541, the thickness of the protection layer 542 and the wear-resistant smooth layer 543 is the same, the outer side wall of the wear-resistant smooth layer 543 is fixed with the sealing ring 52 into a whole, and the arrangement of the protection layer 542 improves the service life of the inner ring 54.

The working process is as follows:

1. The valve body 1 can be installed and fixed at a place where the valve body 1 is needed by a worker, then an external connecting pipe which is needed to be connected with the valve body 1 is connected and fixed with the valve body 1, and then a user can control the handle 2 so as to achieve the effect of controlling the opening and closing of the valve body 1;

2. And when being connected fixedly with the valve body 1 with the external connection pipe, need laminate external connection pipe and second spacing groove 532 again after getting into first spacing groove 531, and because second spacing groove 532 surface is provided with smooth layer 533, it can improve the smooth finish of sealed face to reach better airtight effect, and outer rim 51 inside wall and inner rim 54 lateral wall all are provided with airtight ring 52, and two airtight rings 52 that its set up adopt the rubber material, thereby also can further improve the airtight effect of external connection pipe.

3. The inner side of the inner ring 54 is provided with the protective layer 542 and the wear-resistant smooth layer 543, the arrangement of the protective layer 542 effectively improves the anti-corrosion performance of the inner ring 54, the service life of the inner ring 54 is prolonged, and the arrangement of the wear-resistant smooth layer 543 not only improves the flow of the valve body 1, but also further prolongs the service life of the inner ring 54.

The basic principle and main characteristics of the utility model and the advantages of the utility model are shown and described above, standard parts used by the utility model can be purchased from market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of the parts adopt conventional means such as mature bolt rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the description is omitted.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (5)

1. A valve with high sealing performance, characterized in that it comprises a valve body (1), a handle (2), a connecting port (3), a limiting hole (4) and a sealing structure (5), wherein the top of the valve body (1) is connected to the handle (2), the left and right ends of the valve body (1) are fixed to the connecting port (3) as a whole, the outer side of the connecting port (3) is provided with a limiting hole (4), and the middle part of the outer side of the connecting port (3) is fixed to the sealing structure (5); The sealed structure (5) comprises an outer ring (51), a sealed ring (52), a limiting structure (53) and an inner ring (54); the inner side wall of the outer ring (51) is provided with a sealed ring (52), and the outer side of the inner ring (54) is fixed to the sealed ring (52); a limiting structure (53) is provided in the middle of the connection position between the outer ring (51) and the inner ring (54); and the rear end of the outer ring (51) is fixed to the connection port (3) as a whole. 2. A valve with high sealing performance according to claim 1, characterized in that: the limiting structure (53) includes a first limiting groove (531), a second limiting groove (532) and a smooth layer (533), the left end of the first limiting groove (531) is connected to the second limiting groove (532), the smooth layer (533) is arranged on the outer surfaces of the first limiting groove (531) and the second limiting groove (532), and the first limiting groove (531) and the second limiting groove (532) are opened in the middle of the connection position between the outer ring (51) and the inner ring (54). 3. A valve with high sealing performance according to claim 1, characterized in that: the inner ring (54) includes a base layer (541), a protective layer (542) and a wear-resistant smooth layer (543), the top of the base layer (541) is sequentially provided with a protective layer (542) and a wear-resistant smooth layer (543), and the outer wall of the wear-resistant smooth layer (543) is fixed to the closed ring (52) as a whole. 4. A valve with high sealing performance according to claim 2, characterized in that: the first limiting groove (531) and the second limiting groove (532) are in a "convex" shape as a whole, and the middle part of the first limiting groove (531) is hollow. 5. A valve with high sealing performance according to claim 3, characterized in that the protective layer (542) and the wear-resistant smooth layer (543) are arranged to have the same thickness.