CN212251324U - Check valve for pipe fitting connection and installation - Google Patents

Abstract

The utility model discloses a check valve for pipe connection installation, including the non return chamber, one side fixed mounting in non return chamber has the entering pipeline, and one side fixed mounting who gets into the pipeline has first flange, the opposite side fixed mounting in non return chamber has the discharge pipe, and one side fixed mounting of discharge pipe has the second flange, the top fixed mounting in non return intracavity portion has the second mount pad, and movable mounting has the bracing piece on the second mount pad. The utility model discloses be provided with first mount pad and telescopic link, the cooperation of third mount pad, can carry out the snap-on to the closing plate, the closing speed of closing plate has been increased, can support the closing plate closed type simultaneously, stability when having increased the closing plate, it can place the support when using the check valve to be provided with the supporting seat, can fix the supporting seat through the bolt simultaneously, stability when having increased the check valve use, make the check valve convenient to use more, application scope has been enlarged, convenient to popularize and use.

Description

Check valve for pipe fitting connection and installation

Technical Field

The utility model relates to a check valve technical field specifically is a check valve for pipe connection installation.

Background

The check valve is a valve whose opening and closing member is a circular valve clack and can be actuated by self weight and medium pressure to block medium from flowing backwards, belonging to the field of automatic valve, also called check valve, one-way valve, reflux valve or isolating valve. Otherwise, the valve is closed when the medium flows backwards.

Although the prior check valve achieves basic operation performance, the following defects still exist: 1. the existing check valve has a simple structure, is low in sealing performance when in use, and is easy to leak and backflow when the water pressure is too high; 2. meanwhile, the existing check valve is sealed and closed through gravity sagging when in use, the closing speed of the sealing plate is slow, the sealing plate cannot be closed in an accelerating manner according to external force, and backflow is easily caused when the check valve sealing plate is closed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a check valve for pipe connections installation to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a check valve for pipe connection installation, includes the non return chamber, one side fixed mounting in non return chamber has the entering pipeline, and gets into one side fixed mounting of pipeline has first flange, the opposite side fixed mounting in non return chamber has the exhaust pipe, and one side fixed mounting of exhaust pipe has the second flange, the inside top fixed mounting in non return chamber has the second mount pad, and movable mounting has the bracing piece on the second mount pad, fixed mounting has the closing plate on the bracing piece, and one side fixed mounting of closing plate has the rubber slab, one side of bracing piece bottom is rotated and is installed the regulation pole, the top fixed mounting in non return chamber has the third flange, and the inside bottom fixed mounting in non return chamber has the anti-return board.

Preferably, a supporting plate is fixedly mounted on the other side of the top of the non-return cavity, and a pressure reducing pad is fixedly mounted on the supporting plate.

Preferably, the sealing plate is sleeved with a rubber ring, and one side of the sealing plate is fixedly provided with a mounting rod.

Preferably, a sealing top plate is fixedly mounted at the top of the third flange, and a sealing gasket is arranged on the third flange.

Preferably, a third mounting seat is fixedly mounted on the third flange, a telescopic rod is fixedly mounted on the third mounting seat, and a first mounting seat is fixedly mounted on the supporting rod.

Preferably, the bottom of the non-return cavity is fixedly provided with a supporting seat, and lifting lugs are fixedly arranged at the tops of the inlet pipeline and the outlet pipeline.

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

1. be provided with first flange and the cooperation of second flange, the check valve of being convenient for carries out erection joint, has increased the stability when check valve is connected, is provided with closing plate and rubber slab, rubber sleeve cooperation, can seal the check valve, has avoided the too big closing plate of water pressure to appear the condition of revealing, has increased the leakproofness when the check valve uses.

2. Be provided with first mount pad and telescopic link, the cooperation of third mount pad, can carry out the snap-on to the closing plate, the closing speed of closing plate has been increased, can support closing plate closed type simultaneously, stability when having increased the closing plate, it can place the support when using the check valve to be provided with the supporting seat, can fix the supporting seat through the bolt simultaneously, stability when having increased the check valve use, make the check valve convenient to use more, application scope has been enlarged, convenient to popularize and use.

Drawings

FIG. 1 is a schematic view of the front internal closed structure of the present invention;

FIG. 2 is a schematic view of the front internal opening structure of the present invention;

FIG. 3 is a schematic view of the sealing plate structure of the present invention;

fig. 4 is a schematic side view of the sealing plate of the present invention.

In the figure: 1. a first flange; 2. an anti-backflow plate; 3. entering a pipeline; 4. a check cavity; 5. a discharge conduit; 6. a second flange; 7. a sealing plate; 701. a rubber plate; 702. mounting a rod; 703. a rubber ring; 8. a support bar; 801. adjusting a rod; 9. a first mounting seat; 10. a second mounting seat; 11. a telescopic rod; 12. a support plate; 1201. a pressure reducing pad; 13. a third mounting seat; 14. a third flange; 1401. a gasket; 15. sealing the top plate; 16. lifting lugs; 17. and (4) supporting the base.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; 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 present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a check valve for pipe connection installation comprises a check cavity 4, one side of the check cavity 4 is fixedly provided with an inlet pipeline 3 by welding, one side of the inlet pipeline 3 is fixedly provided with a first flange 1 by welding, the first flange 1 is connected with an external pipeline by a bolt, so that the check valve is conveniently and fixedly and hermetically connected with the external pipeline, the inlet pipeline 3 guides water flow to the inside of the check cavity 4, the other side of the check cavity 4 is fixedly provided with a discharge pipeline 5 by welding, one side of the discharge pipeline 5 is fixedly provided with a second flange 6 by welding, the second flange 6 can fixedly connect the other side of the check valve with the external pipeline, so that the water flow can be discharged through the discharge pipeline 5 and the second flange 6, the top inside the check cavity 4 is fixedly provided with a second mounting seat 10 by welding, and a support rod 8 is movably mounted on the second mounting seat 10, the bottom of the support rod 8 is provided with a sealing plate 7, the sealing plate 7 is closed through gravity when the check valve steps water flow, so that the inlet pipeline 3 can be sealed through the sealing plate 7, the backflow situation is avoided, one side of the sealing plate 7 is fixedly provided with a rubber plate 701 through a bolt, when the sealing plate 7 is closed, the closed type rubber plate 701 of the sealing plate 7 is embedded and installed in the exhaust pipeline 5, so that the sealing performance when the sealing plate 7 is closed is improved, the outer part of the sealing plate 7 is fixedly provided with a rubber ring 703 through embedding, the rubber ring 703 can seal the outer part of the sealing plate 7, the sealing performance of the outer part when the sealing plate 7 is closed is improved, the other side of the sealing plate 7 is fixedly provided with an installation rod 702 through welding, the installation rod 702 is movably installed at the bottom of the support rod 8, meanwhile, one side, the mounting position of the sealing plate 7 can be adjusted and controlled by rotating the adjusting rod 801, so that later-period workers can adjust and control conveniently;

the top of the non-return cavity 4 is fixedly provided with a third flange 14 through welding, the third flange 14 is convenient for later-stage workers to maintain the interior of the non-return cavity 4, a sealing top plate 15 is fixedly arranged on the third flange 14 through bolts, the sealing top plate 15 can close the top of the non-return cavity 4 to prevent water flow from flowing out through the third flange 14, a sealing gasket 1401 is arranged between the third flange 14 and the sealing top plate 15, the sealing gasket 1401 increases the sealing property of the sealing top plate 15 when the sealing top plate 15 is closed and prevents the water flow from leaking through the closed part, the bottom of the third flange 14 is fixedly provided with a third mounting seat 13 through welding, a telescopic rod 11 is movably arranged on the third mounting seat 13, a first mounting seat 9 is fixedly arranged on the supporting rod 8 through welding, the telescopic rod 11 is fixedly arranged on the first mounting seat 9 and the third mounting seat 13 through bolts, and the telescopic rod 11 can elastically support the supporting rod 8, the closing speed of the sealing plate 7 is accelerated, and meanwhile, the stability of the sealing plate 7 in closing is improved by supporting the sealing plate 7 through the telescopic rod 11;

the other side of the top of the non-return cavity 4 is fixedly provided with a support plate 12 through welding, the support plate 12 is used for connecting and supporting the sealing plate 7 when the sealing plate 7 is opened through water flow impact, the condition that the sealing plate 7 is damaged in the non-return cavity 4 due to impact is avoided, the safety of the inner part of the non-return cavity 4 in use is improved, meanwhile, the bottom of the support plate 12 is fixedly provided with a pressure reducing pad 1201 through embedding, the pressure reducing pad 1201 can be used for reducing the impact force of the sealing plate 7 and improving the safety of the sealing plate 7, one side of the bottom of the non-return cavity 4 is fixedly provided with an anti-return plate 2 through welding, the anti-return plate 2 can drain the bottom of the non-return cavity 4, the bottom of the non-return cavity 4 is fixedly provided with a support seat 17 through welding, the support seat 17 is used for supporting and fixing the non-return, the lifting lugs 16 are convenient for lifting when the check valve is installed;

the working principle is as follows: first flange 1 carries out fixed mounting to the check valve with the cooperation of second flange 6, and bracing piece 8 and closing plate 7 cooperation are closed to the check valve and are placed the rivers backward flow, and rubber slab 701 has increased the leakproofness of closing plate 7 with the cooperation of rubber ring 703 simultaneously, and telescopic link 11 carries out elastic support to closing plate 7, with higher speed closing plate 7's closing speed.

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.

Claims (6)

1. A check valve for plumbing connections installation, comprising a check chamber (4), characterized in that: an inlet pipeline (3) is fixedly arranged on one side of the non-return cavity (4), a first flange (1) is fixedly arranged on one side of the inlet pipeline (3), a discharge pipeline (5) is fixedly arranged on the other side of the non-return cavity (4), a second flange (6) is fixedly arranged on one side of the discharge pipeline (5), a second mounting seat (10) is fixedly arranged at the top inside the non-return cavity (4), a supporting rod (8) is movably arranged on the second mounting seat (10), a sealing plate (7) is fixedly arranged on the supporting rod (8), a rubber plate (701) is fixedly arranged on one side of the sealing plate (7), an adjusting rod (801) is rotatably arranged on one side of the bottom of the supporting rod (8), a third flange (14) is fixedly arranged at the top of the check cavity (4), and the bottom inside the non-return cavity (4) is fixedly provided with the anti-return plate (2).

2. A check valve for plumbing connection installation according to claim 1, wherein: the other side at non return chamber (4) top fixed mounting has backup pad (12), and fixed mounting has decompression pad (1201) on backup pad (12).

3. A check valve for plumbing connection installation according to claim 1, wherein: the rubber ring (703) is sleeved outside the sealing plate (7), and an installation rod (702) is fixedly installed on one side of the sealing plate (7).

4. A check valve for plumbing connection installation according to claim 1, wherein: the top of the third flange (14) is fixedly provided with a sealing top plate (15), and the third flange (14) is provided with a sealing gasket (1401).

5. A check valve for plumbing connection installation according to claim 1, wherein: and a third mounting seat (13) is fixedly mounted on the third flange (14), a telescopic rod (11) is fixedly mounted on the third mounting seat (13), and a first mounting seat (9) is fixedly mounted on the support rod (8).

6. A check valve for plumbing connection installation according to claim 1, wherein: the bottom of the non-return cavity (4) is fixedly tapered with a support seat (17), and lifting lugs (16) are fixedly mounted at the tops of the inlet pipeline (3) and the outlet pipeline (5).

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