CN212616488U - Automatic recirculation control valve bypass valve seat cover mounting structure - Google Patents

Abstract

The utility model belongs to the technical field of mechanical equipment assembly, concretely relates to automatic recirculation control valve bypass valve seat cover mounting structure, including valve body, valve gap and bypass valve seat cover, the valve gap set up in the valve body tip, bypass valve seat cover install in valve body major loop and branch road department, a bypass valve seat cover pot head of keeping away from the valve gap are equipped with the clamping ring, bypass valve seat cover is fixed in through the clamping ring on the valve body. Through the bypass valve seat sleeve mounting structure of the automatic recirculation control valve in the scheme, the problems of easiness in damage, low assembly efficiency and the like in the assembly process of the bypass valve seat sleeve and the valve body of the automatic recirculation control valve in the prior art are effectively solved.

Description

Automatic recirculation control valve bypass valve seat cover mounting structure

Technical Field

The utility model belongs to the technical field of mechanical equipment assembly, concretely relates to automatic recirculation control valve bypass valve seat cover mounting structure.

Background

With the increasingly mature development of the automatic recirculation control valve technology, the centrifugal pump protection valve serving as a direct energy-saving centrifugal pump protection valve is largely used in new construction and reconstruction projects, and the required types and specifications are more and more. Because the bypass valve seat sleeve and the valve body of the traditional automatic recirculation control valve are processed in an interference fit manner, the precision requirement is high, the assembly difficulty is high, the assembly progress is slow, the disassembly and the maintenance are not easy, and the time and the labor are wasted; and the assembly is usually carried out by adopting a manual knocking method, and in the assembly process, the surface of a part is easily damaged during knocking, so that the assembly deflection phenomenon occurs.

In view of the above, there is a need to improve an assembly structure between a valve body and a seat cover of an automatic recirculation control valve in the prior art, so as to solve the problems of easy damage, low assembly efficiency, and the like in the assembly process of the bypass valve seat cover and the valve body.

Disclosure of Invention

An object of the utility model is to solve among the prior art easy damage, assembly efficiency low scheduling problem in bypass valve seat cover and the valve body assembling process of automatic recirculation control valve, provide an automatic recirculation control valve bypass valve seat cover mounting structure.

Realize the utility model discloses the technical scheme of purpose as follows:

the utility model provides an automatic recirculation control valve bypass valve seat cover mounting structure, includes valve body, valve gap and bypass valve seat cover, the valve gap set up in the valve body tip, bypass valve seat cover install in valve body major loop and branch road department, a bypass valve seat cover pot head of keeping away from the valve gap is equipped with the clamping ring, bypass valve seat cover is fixed in through the clamping ring on the valve body.

Furthermore, the clamping ring is arranged at the joint of the bypass valve seat sleeve and the valve body, a plurality of through holes are formed in the end face of the clamping ring along the circumferential direction, and a plurality of bolts penetrate through the through holes respectively and are fixed on the valve body.

Furthermore, one side of the inner end surface of the pressing ring, which is connected with the bypass valve seat sleeve, is provided with an annular notch structure.

Furthermore, the part of the bypass valve seat sleeve connected with the annular notch structure of the pressing ring is correspondingly provided with an annular convex block.

Furthermore, the thickness of the pressing ring is 10-15 mm.

Furthermore, the annular convex block is in press fit with the annular concave opening.

Furthermore, the through hole is a threaded through hole, and the diameter of the threaded through hole is smaller than the width of the inner end face of the pressure ring.

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

this scheme sets up a clamping ring through fitting with a contraceptive ring to the fixed one end of keeping away from the bypass valve seat cover of valve gap to be connected bypass valve seat cover and valve body through the clamping ring, changed interference fit between bypass valve seat cover and the valve body in the past, the simple structure of this scheme, fine improvement automatic recirculation control valve's assembly manufacturability reduces the processing degree of difficulty, makes its convenient to detach installation, improves assembly efficiency, reduces assembly cost and cost of maintenance.

Drawings

FIG. 1 is a schematic view of the assembly of the valve body and the bypass valve seat sleeve of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

wherein, 1, a valve body; 2. a bolt; 3. pressing a ring; 301. a through hole; 302. an annular projection; 303. an annular recess; 4. a bypass valve seat sleeve; 5. a valve cover; 6. a main valve flap.

Detailed Description

The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functions, methods, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.

In the description of the present embodiments, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to a number of indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.

The terms "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.

The scheme is based on the patent numbers previously applied by the company: 2015208838144, the patent names: the utility model provides an automatic at circulation control valve of improved generation H type, to its improvement that goes on, before the improvement, because at the in-service use in-process, be interference fit processing between bypass valve seat cover and the valve body, the required precision is high, and the assembly degree of difficulty is big, and the assembly progress is slow, and difficult dismantlement maintenance, in the assembling process, strikes the easy damage to the part surface production, the crooked phenomenon of appearance assembly. The mounting structure between the bypass valve sleeve 4 and the valve body 1 is thus improved: the pressure plate 3 is arranged at one end of the bypass valve seat sleeve 4 far away from the valve cover 5, and the bypass valve seat sleeve 4 is fixed with the valve body 1 through the pressure plate 3, and the specific improvement is explained in detail in the following embodiment.

Examples

An automatic recirculation control valve bypass valve seat cover mounting structure of this embodiment combines fig. 1 to show, including valve body 1, valve gap 5 and bypass valve seat cover 4, valve gap 5 set up in 1 tip of valve body, bypass valve seat cover 4 install in 1 major loop of valve body and branch road department keep away from valve gap 5's bypass valve seat cover 4 pot head and be equipped with clamping ring 3, bypass valve seat cover 4 is fixed in through clamping ring 3 on the valve body 1.

Specifically, the bypass valve seat sleeve 4 is installed at the intersection of a main loop and a branch of the valve body 1, the length direction of the bypass valve seat sleeve 4 is consistent with the direction of the main loop, the bypass valve seat sleeve 4 transversely penetrates through the branch of the valve body 1 and is connected with the main valve flap 6, a pressing ring 3 is arranged at the position where the bypass valve seat sleeve 4 is connected with the valve body 1, the pressing ring 3 and one end, far away from the main valve flap 6, of the bypass valve seat sleeve 4 are fixed, the pressing ring 3 surrounds the bypass valve seat sleeve 4 for a circle, and is fixedly connected with the valve body 1 through bolts.

As a further improvement of the scheme, the compression ring 3 is arranged at the joint of the bypass valve seat sleeve 4 and the valve body 1, a plurality of through holes 301 are formed in the end face of the compression ring 3 along the circumferential direction, and a plurality of bolts 2 respectively penetrate through the through holes 301 and are fixed on the valve body 1; the through hole 301 is a threaded through hole, and the diameter of the threaded through hole is smaller than the width of the inner end face of the pressure ring 3.

On being fixed in valve body 1 with clamping ring 3 through bolt 2, when overhauing automatic at the circulation control valve, can conveniently dismantle and assemble it, simultaneously, when this control valve of processing, the processing degree of difficulty has also reduced, convenient to popularize and use, simultaneously owing to reduced the machining precision, still saved the cost, convenient to popularize and use. In addition, the through hole 301 is processed into a threaded through hole, the diameter of the through hole is smaller than the width of the inner end face of the pressure ring 3, and the mounting stability is guaranteed.

As a further improvement of the scheme, referring to fig. 2, one side of the inner end surface of the pressure ring 3, which is connected with the bypass valve seat sleeve 4, is provided with an annular notch 303 structure, a part of the bypass valve seat sleeve 4, which is connected with the annular notch 303 structure of the pressure ring 3, is correspondingly provided with an annular convex block 302, and the annular convex block 302 is in press fit with the annular notch 303; the thickness of clamping ring 3 sets up to 10 ~ 15 mm.

One side that is connected with bypass valve seat cover 4 on clamping ring 3 sets up annular notch 303, corresponds on bypass valve seat cover 4 and sets up annular lug 302, through mutually supporting between annular notch 303 and the annular lug 302 to fix annular notch 303 and annular lug 302 through the mode that the cooperation compressed tightly, and set up the thickness of clamping ring 3 into 10 ~ 15mm, guarantee the steadiness of assembly in the course of the work, can not make the part become flexible or destroy because of vibrations.

The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. The utility model provides an automatic recirculation control valve bypass valve seat cover mounting structure, includes valve body (1), valve gap (5) and bypass valve seat cover (4), valve gap (5) set up in valve body (1) tip, bypass valve seat cover (4) install in valve body (1) major loop and branch road department, its characterized in that, bypass valve seat cover (4) an pot head of keeping away from valve gap (5) are equipped with clamping ring (3), bypass valve seat cover (4) pass through clamping ring (3) are fixed in on the valve body (1).

2. The mounting structure of the bypass valve seat sleeve of the automatic recirculation control valve according to claim 1, wherein the pressing ring (3) is arranged at the joint of the bypass valve seat sleeve (4) and the valve body (1), a plurality of through holes (301) are formed in the end face of the pressing ring (3) along the circumferential direction, and a plurality of bolts (2) respectively penetrate through the through holes (301) and are fixed on the valve body (1).

3. A mounting structure of a by-pass valve seat cover of an automatic recirculation control valve according to claim 2, characterized in that one side of the inner end surface of the press ring (3) connecting with the by-pass valve seat cover (4) is provided with an annular notch (303) structure.

4. A mounting arrangement for a by-pass valve seat sleeve of an automatic recirculation control valve according to claim 3, characterized in that the by-pass valve seat sleeve (4) is provided with an annular projection (302) corresponding to the location where it is in connection with the annular recess (303) of the pressure ring (3).

5. The automatic recirculation control valve bypass valve seat sleeve mounting structure of claim 4, characterized in that the thickness of the pressure ring (3) is 10-15 mm.

6. An automatic recirculation control valve bypass valve seat sleeve mounting arrangement as set forth in claim 4, characterized by a compression fit between said annular projection (302) and said annular recess (303).

7. The automatic recirculation control valve bypass valve seat sleeve mounting structure as recited in claim 2, characterized in that the through hole (301) is a threaded through hole, and the diameter of the threaded through hole is smaller than the width of the inner end face of the pressure ring (3).

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