Waterproof hammer check valve

Abstract

The utility model discloses a waterproof hammer check valve, which belongs to the field of valve body structures and comprises a valve body, a shell is sleeved on the surface of the valve body, a compression-resistant component is filled between the valve body and the shell, an inner pipeline is mounted in the valve body, a connecting plate is mounted on the inner wall of the inner pipeline in an embedded manner, and the connecting plate is connected with the shell. The surface of the connecting plate penetrates through the inner pipeline and is integrally formed with the ring sleeve, an inner groove is formed in one side of the inner pipeline, a pressure spring is installed in the inner groove, a pressing table is installed on the surface of the connecting plate in a matched and sliding mode through a linear bearing, and one end of the pressing table is connected with the end of the pressure spring; the other end of the pressing table is connected with a mounting base, and a flow dividing piece is integrally formed on the surface of the mounting base. The inner pipeline is additionally arranged in the valve body and used for resisting pressure of the water hammer, pressure resistance protection is carried out on impact force of the water hammer in a balanced mode, and therefore the overall using effect is guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of valve body structure technology, specifically a water hammer check valve. Background Technology

[0002] In pressurized pipelines, the water flow rate may suddenly change due to some external cause (such as a valve suddenly closing or a pump unit suddenly stopping), resulting in water hammer. This hydraulic phenomenon is called water hammer or water hammer.

[0003] Application number CN202022471947.4 discloses a water hammer check valve, comprising: a valve body, a valve disc sealed and fixed to the valve body, and a push-button valve fixed to the valve disc. The push-button valve is used to balance the inlet and outlet pressures of the check valve, thereby realizing the bidirectional check valve function. This utility model adds a push-button valve to the check valve, realizing the bidirectional water hammer prevention function of the check valve, which can effectively prevent water hammer damage to the check valve.

[0004] However, the following problems still exist: the overall structure is relatively simple, and only a certain pressure and impact resistance effect is achieved by using a push valve. During long-term use, the valve body is impacted by water hammer with irregular force, making it difficult to ensure stable pressure resistance against water hammer. Utility Model Content

[0005] To address the aforementioned issues, this utility model provides a water hammer check valve. By adding an internal pipe inside the valve body to resist water hammer pressure, it provides more balanced pressure protection against water hammer impact, thereby ensuring overall performance.

[0006] This utility model is achieved through the following technical solution:

[0007] A water hammer check valve includes a valve body, a housing fitted onto the surface of the valve body, a pressure-resistant component filling the space between the valve body and the housing, an inner pipe installed inside the valve body, a connecting plate embedded in the inner wall of the inner pipe, the surface of the connecting plate penetrating the inner pipe and integrally formed with a ring, an inner groove formed on one side of the inner pipe, a pressure spring installed in the inner groove, a pressure platform slidably mounted on the surface of the connecting plate through a linear bearing, one end of the pressure platform being connected to the end of the pressure spring, and the other end of the pressure platform being connected to a mounting base, the surface of the mounting base being integrally formed with a flow divider.

[0008] Furthermore, the end surface of the valve body is provided with a raised edge, which is an integrally formed structure on the surface of the valve body.

[0009] Further, the compression-resistant assembly comprises a base plate, an inner lining layer, a shockproof layer, an outer skin layer and a cushion block, the base plate is sleeved to the surface of the valve body, the inner lining layer is laid between the base plate and the valve body, the outer skin layer is laid between the base plate and the shell, the shockproof layer is filled between the base plate and the outer skin layer, and the surface of the base plate is uniformly bonded with the cushion block in sequence.

[0010] Further, the inner lining layer is made of silica gel material and is laid and bonded, the shockproof layer is made of foam material and is filled, and the outer skin layer and the cushion block are made of rubber material and are integrated structures.

[0011] Further, the mounting seat comprises a shell, a reinforcing member and a reinforcing layer, the surface of the shell is fixedly connected with the pressure platform respectively, the shell is uniformly filled with the reinforcing member in sequence, and the inner wall of the shell is provided with the reinforcing layer.

[0012] Further, the reinforcing member is made of steel structure material and is an integrated structure, and the reinforcing layer is made of steel sheet material and is laid.

[0013] Further, the flow dividing member is a cross-shaped integrated member made of steel structure material.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1、 the utility model discloses a valve body is internally additionally provided with an inner pipeline for resisting water hammer, utilizes the flow dividing member and cooperates to disperse the pressure more evenly to the mounting seat part, and then utilizes the pressure platform and cooperates with the pressure spring to realize sufficient and good impact resistance effect, so that the water hammer impact force is more balancedly protected, and the overall use effect is guaranteed.

[0016] 2、 the valve body surface is provided with an auxiliary compression-resistant assembly, which can further improve the internal compression resistance and impact resistance effect, and the safety of the overall structure is guaranteed. DRAWINGS

[0017] Fig. 1 It is a structural schematic view of the utility model;

[0018] Fig. 2 It is a structural schematic view of the utility model;

[0019] Fig. 3 It is a structural schematic view of the flow dividing member of the utility model;

[0020] Fig. 4 It is a structural schematic view of the compression-resistant assembly of the utility model;

[0021] Fig. 5 It is a structural schematic view of the mounting seat of the utility model.

[0022] In the figure: 1, valve body; 2, convex edge; 3, shell; 4, compression-resistant assembly; 41, base plate; 42, inner lining layer; 43, shockproof layer; 44, outer skin layer; 45, cushion block; 5, inner pipeline; 6, connecting plate; 7, ring sleeve; 8, pressure platform; 9, inner groove; 10, pressure spring; 11, mounting seat; 111, outer shell; 112, reinforcing piece; 113, reinforcing layer; 12, flow divider. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Please refer to Figs. 1-5 The embodiments provided by the utility model have the advantages that the convex edge is integrally formed on the surface of the valve body, and the convex edge can be matched with the flange and other structures to assemble the valve body, so that the staff can easily operate and disassemble at any time.

[0025] A waterproof hammer check valve comprises a valve body 1, and the end surface of the valve body 1 is provided with a convex edge 2, which is an integrated forming structure on the surface of the valve body 1. The convex edge 2 can be matched with the flange and other structures to assemble the valve body 1, so that the staff can easily operate and disassemble at any time.

[0026] The surface of the valve body 1 is sleeved with a shell 3, and the valve body 1 and the shell 3 are filled with a compression-resistant assembly 4. The compression-resistant assembly 4 comprises a base plate 41, an inner lining layer 42, a shockproof layer 43, an outer skin layer 44 and a cushion block 45. The base plate 41 is sleeved to the surface of the valve body 1, the inner lining layer 42 is laid between the base plate 41 and the valve body 1, the outer skin layer 44 is laid between the base plate 41 and the shell 3, the shockproof layer 43 is filled between the base plate 41 and the outer skin layer 44, and the surface of the base plate 41 is uniformly bonded with the cushion block 45 in sequence. The valve body 1 is provided with the compression-resistant assembly 4, so as to form a layered protection structure, which can provide sufficient shock absorption and compression resistance effect, avoid damage to the surface of the valve body 1 caused by water hammer impact, and ensure the overall safety. The inner lining layer 42 is made of silica gel material, the shockproof layer 43 is made of foam material, and the outer skin layer 44 and the cushion block 45 are integrally formed of rubber material.

[0027] The inner pipe 5 is internally arranged in the valve body 1, a connecting plate 6 is embeddedly arranged on the inner wall of the inner pipe 5, the surface of the connecting plate 6 penetrates the inner pipe 5 and is integrally formed with a ring sleeve 7, an inner groove 9 is formed on one side of the inner pipe 5, a pressure spring 10 is arranged in the inner groove 9, a pressing table 8 is slidingly arranged on the surface of the connecting plate 6 through a linear bearing, one end of the pressing table 8 is connected with the end of the pressure spring 10, the other end of the pressing table 8 is connected with a mounting seat 11, and the surface of the mounting seat 11 is integrally formed with a shunt 12. The shunt 12 is a cross-shaped integrated component made of steel structure material. The shunt 12 can have a good pressure dispersion effect, and can avoid the adverse effect of uneven pressure caused by water flow impact on the compression and impact resistance effect.

[0028] The mounting seat 11 comprises an outer shell 111, a reinforcing member 112 and a reinforcing layer 113, the surface of the outer shell 111 is fixedly connected with the pressing table 8, the outer shell 111 is uniformly filled with the reinforcing member 112 in sequence, and the reinforcing layer 113 is arranged on the inner wall of the outer shell 111. The mounting seat 11 is also reinforced, the reinforcing layer 113 and the reinforcing member 112 are arranged to improve the overall impact resistance effect and ensure the service life. The reinforcing member 112 is an integrated structure made of steel structure material, and the reinforcing layer 113 is made of steel sheet material. The steel structure material has good strength and rigidity, and can play a good stability when coping with water hammer impact, thereby providing good protection for the overall structure of the component.

[0029] In the use process, with the generation of water hammer, a large pressure is applied to the inner pipe 5, at this time, the shunt 12 can disperse the water pressure to a certain extent, so that the water pressure uniformly acts on the mounting seat 11, the mounting seat 11 cooperates with the pressing table 8 to resist the pressure of the pressure spring 10, and during the whole impact process, the compression-resistant component 4 sleeved on the surface of the valve body 1 can also provide a good protection effect, so that they cooperate with each other to form a fully stable impact-resistant component, so as to realize the protection of the water hammer effect and increase the service life of the equipment.

[0030] In the utility model, unless another definite provision and limitation, the terms "mounting", "setting", "connecting", "fixing", "screw connection" and the like terms should be understood in a broad sense, for example, can be fixed connection, also can be detachable connection, or be integrated, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through intermediate medium, can be the communication or mutual action relationship of two elements, unless another definite limitation, for the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific situation.

[0031] To sum up, only for the preferred embodiment of the utility model, not to limit the scope of the utility model, all equivalent changes and modifications of the shape, structure, features and spirit described in the utility model claim range should be included in the utility model claim range.

Claims

1. A water hammer arrestor check valve comprising a valve body (1), characterized in that: The surface of the valve body (1) is sleeved with a shell (3), the valve body (1) and the shell (3) are filled with a pressure-resistant assembly (4), an inner pipeline (5) is installed in the valve body (1), a connecting plate (6) is embeddedly installed on the inner wall of the inner pipeline (5), the surface of the connecting plate (6) penetrates the inner pipeline (5) and is integrally formed with a ring sleeve (7), an inner groove (9) is formed on one side of the inner pipeline (5), a pressure spring (10) is installed in the inner groove (9), a pressing table (8) is slidingly installed on the surface of the connecting plate (6) through a linear bearing, one end of the pressing table (8) is connected with the end portion of the pressure spring (10), the other end of the pressing table (8) is connected with a mounting seat (11), and the surface of the mounting seat (11) is integrally formed with a shunt (12).

2. A water hammer arrestor according to claim 1, wherein: The end surface of the valve body (1) is provided with a raised edge (2), and the raised edge (2) is an integrally formed structure on the surface of the valve body (1).

3. A water hammer arrestor according to claim 1, wherein: The pressure-resistant assembly (4) comprises a base plate (41), an inner lining layer (42), a shockproof layer (43), an outer skin layer (44) and a cushion block (45), the base plate (41) is sleeved on the surface of the valve body (1), the inner lining layer (42) is laid between the base plate (41) and the valve body (1), the outer skin layer (44) is laid between the base plate (41) and the shell (3), the shockproof layer (43) is filled between the base plate (41) and the outer skin layer (44), and the surface of the base plate (41) is uniformly bonded with the cushion block (45) in sequence.

4. A water hammer arrestor according to claim 3, wherein: The inner lining layer (42) is made of silica gel material, the shockproof layer (43) is made of foam material, and the outer skin layer (44) and the cushion block (45) are integrally formed of rubber material.

5. A water hammer arrestor according to claim 1, wherein: The mounting seat (11) comprises an outer shell (111), a reinforcing member (112) and a reinforcing layer (113), the surfaces of the outer shell (111) are fixedly connected with the pressing table (8) respectively, the inner portion of the outer shell (111) is uniformly filled with the reinforcing member (112) in sequence, and the inner wall of the outer shell (111) is provided with the reinforcing layer (113).

6. A water hammer arrestor according to claim 5, wherein: The reinforcing member (112) is an integrally formed structure made of steel structure material, and the reinforcing layer (113) is made of steel sheet material.

7. A water hammer arrestor according to claim 1, wherein: The shunt (12) is a cross-shaped integrally formed member made of steel structure material.

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