Multi-directional installation type check valve

Abstract

The utility model discloses a multidirectional installation type check valve, and relates to the technical field of valve machining. A water inlet and a water outlet are formed in the valve body, a valve cover is installed in the valve body, the valve cover and the valve body form a drainage channel, the drainage channel is communicated with the interior of the water inlet, the drainage channel is communicated with the interior of the water outlet, a valve clack is installed in the valve cover, and the valve clack comprises a valve clack head and a valve clack handle. The valve clack handle is located at the end, close to the water outlet, of the valve body. After the gasket is impacted by water pressure to reach certain pressure, the valve clack head moves, the elastic reset piece is compressed, meanwhile, the drainage channel is opened, so that water enters the water outlet from the drainage channel, the water is drained from the check valve, and the water can only enter the water outlet from the water inlet; and meanwhile, the sealing performance of the check valve is greatly improved due to the design of adding the sealing ring.

Description

TECHNICAL FIELD

[0001] The utility model belongs to valve processing technical field, especially a kind of multi-direction installation type check valve. BACKGROUND

[0002] Check valve is the closing element for circular valve flap and acts by its own weight and medium pressure to block the backflow of medium. It belongs to automatic valve, also known as non-return valve, one-way valve, backflow valve or isolation valve. When check valve is combined with stop valve, it can play the role of safety isolation.

[0003] The existing check valve is installed on pipeline to make fluid flow only along inlet, and medium cannot backflow from outlet. Such check valve has large resistance effect and low internal sealing, and often causes water leakage during use. Therefore, the present application provides a multi-direction installation type check valve to solve the above problems. SUMMARY

[0004] The utility model discloses a kind of multi-direction installation type check valves, and valve flap head is moved after reaching certain pressure by water pressure impact gasket, elastic reset piece is compressed, simultaneously drainage passage is opened to make water from drainage passage into outlet, so that water is discharged from check valve, solve the problem such as the poor sealing of existing check valve.

[0005] To solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model discloses a kind of multi-direction installation type check valves, including valve body, the water inlet and outlet are set in the valve body, the valve cover is installed in the valve body, the valve cover forms drainage passage with the valve body, the drainage passage is connected with the water inlet inside, the drainage passage is connected with the outlet inside, the valve cover is installed with valve flap, the valve flap is set and includes valve flap head and valve flap handle, the valve flap head is at the one end of valve body close to water inlet, the valve flap handle is at the one end of valve body close to outlet.

[0007] The utility model further is provided, the valve flap head guide cavity is fixedly arranged in the valve cover, the valve flap head guide cavity is slidably connected between valve flap head, the valve flap head guide cavity corresponds with water inlet.

[0008] The utility model further is provided, the valve flap handle guide cavity is set in the valve cover, the valve flap handle guide cavity corresponds with outlet, the valve flap handle guide cavity is sleeved in the circumferential surface of valve flap handle, one end of the valve flap head is fixedly provided with elastic reset piece.

[0009] The utility model further sets up, the elastic reset piece is fixedly arranged in the valve disc handle guide cavity inside away from the valve disc head one end, the elastic reset piece is set in the valve disc handle guide cavity inside, the elastic reset piece sets up in the valve disc handle guide cavity inside.

[0010] The utility model further sets up, the valve disc head is installed with first gasket away from the valve disc handle one side, first gasket with water inlet position corresponds, first gasket with valve disc head between setting has sealing ring, through sealing ring strengthens check valve's leakproofness.

[0011] The utility model further sets up, first gasket with valve disc head between through nut connection, valve body with valve cover between through second gasket connection.

[0012] The utility model has following beneficial effect:

[0013] 1, the utility model discloses a water flow reaches specific pressure impact valve disc head, makes valve disc head move, at this moment elastic reset piece is compressed, and the drainage channel is opened, and the water flow enters the drainage channel along the water inlet, and through the drainage channel into the water outlet, at this moment the water flow can flow out from the water outlet, when the water flow stops and is passed into, valve disc head pressure removes, under the action of elastic reset piece, valve disc head reverse movement and with water inlet and is pasted, valve disc handle reverse movement reaches the initial position when the water flow reverse flows, check valve cannot open, thus realize that check valve carries out one-way automatic opening and closing, when valve disc head guide cavity is blocked, water flow can flow out through valve disc handle guide cavity, when valve disc handle guide cavity is blocked, water flow can flow out through valve disc head guide cavity, thus can realize the double guide function of water flow through valve disc head guide cavity and valve disc handle guide cavity, and again convenient installation improves the use effect of check valve.

[0014] 2, the utility model discloses a first gasket with water inlet and is pasted and sealing ring effect makes the water flow not enter the drainage channel, when the water flow pressure reaches certain time, the water flow impact first gasket movement makes valve disc move, to make the water flow delivery, under the action of sealing ring, the water flow will not enter valve disc head guide cavity, greatly improves the leakproofness of check valve.

[0015] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described above. DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be to the embodiment description needed to use the drawing briefly introduced, obviously, the following description in the drawing is only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0017] Figure 1 It is a structural schematic view of a multi-directional installation type check valve.

[0018] Figure 2 It is Figure 1 Another angle structural schematic view.

[0019] Figure 3 It is Figure 1 Partial structural schematic view.

[0020] In the drawings, the components represented by each reference numeral are listed as follows:

[0021] 1-valve body, 2-water inlet, 3-water outlet, 4-valve cover, 5-drainage channel, 6-valve head, 7-valve handle, 8-valve head guide cavity, 9-valve handle guide cavity, 10-elastic reset member, 11-first gasket, 12-sealing ring, 13-nut, 14-second gasket, 15-hard sealing after matching can leak, 16-soft sealing leak. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] Specific embodiment one, please refer to Figures 1-3 The utility model discloses a multi-directional installation type check valve, including the valve body 1, the water inlet 2 and the water outlet 3 are set up inside the valve body 1, the valve cover 4 is installed in the valve body 1, the valve cover 4 forms the drainage channel 5 with the valve body 1, the drainage channel 5 is linked with the water inlet 2 inside, the drainage channel 5 is linked with the water outlet 3 inside, the valve cover 4 is installed with the valve flap inside, the valve flap includes the valve head 6 and the valve handle 7, the valve head 6 is at the one end of the valve body 1 close to the water inlet 2, and the valve handle 7 is at the one end of the valve body 1 close to the water outlet 3.

[0024] Specifically, the valve cover 4 is fixedly provided with a valve head guide cavity 8 inside, the valve head guide cavity 8 is in sliding fit between the valve head 6, the valve head guide cavity 8 corresponds to the water inlet 2, the valve cover 4 is provided with a valve handle guide cavity 9 inside, the valve handle guide cavity 9 corresponds to the water outlet 3, the valve handle guide cavity 9 is sleeved on the lateral surface of the valve handle 7, and one end of the valve head 6 is fixedly provided with an elastic reset member 10.

[0025] Further, the elastic reset member 10 is fixedly arranged at the inner side of the valve disc handle guide cavity 9 away from the valve disc head 6, the elastic reset member 10 is sleeved on the peripheral surface of the valve disc handle 7, and the elastic reset member 10 is arranged at the inner side of the valve disc handle guide cavity 9.

[0026] The operation process of the embodiment is as follows: in the initial state, the valve disc head 6 is attached to the water inlet 2, at this time, the drainage channel 5 is in a sealed state, then water flow is introduced into the water inlet 2, when the water flow reaches a certain pressure, the valve disc head 6 moves along the valve disc head guide cavity 8, the valve disc handle 7 moves along the valve disc handle guide cavity 9 synchronously, at this time, the elastic reset member 10 is compressed, at this time, the drainage channel 5 is opened, the water flow enters the drainage channel 5 along the water inlet 2, and then enters the water outlet 3 through the drainage channel 5, at this time, the water flow can flow out of the water outlet 3, when the water flow stops flowing, the pressure of the valve disc head 6 is released, under the action of the elastic reset member 10, the valve disc head 6 reversely moves along the valve disc head guide cavity 8 and is attached to the water inlet 2, at the same time, the valve disc handle 7 reversely moves along the valve disc handle guide cavity 9 and returns to the initial position, when the water flow reversely flows, the check valve cannot be opened, thereby realizing the automatic opening and closing of the check valve in one direction.

[0027] Specific embodiment two, on the basis of the specific embodiment one, the first gasket 11 is installed on the side of the valve disc head 6 away from the valve disc handle 7, the first gasket 11 corresponds to the position of the water inlet 2, and the sealing ring 12 is arranged between the first gasket 11 and the valve disc head 6, so that the sealing property of the check valve is enhanced.

[0028] Specifically, the first gasket 11 and the valve disc head 6 are connected through the nut 13, and the valve body 1 and the valve cover 4 are connected through the second gasket 14.

[0029] The operation process of the embodiment is as follows: in the initial state, the first gasket 11 is attached to the water inlet 2, and the sealing ring 12 prevents the water flow from entering the drainage channel 5, when the water flow pressure reaches a certain value, the water flow impacts the first gasket 11 to move, so that the valve disc moves, thereby making the water flow be transported out, and under the action of the sealing ring 12, the water flow cannot enter the valve disc head guide cavity 8.

[0030] In the description of the present specification, the description of the terms “one embodiment”, “example”, “specific example” and the like means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0031] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A multi-way mounted check valve comprising a valve body (1), characterized in that: The valve body (1) is internally provided with a water inlet (2) and a water outlet (3), and the valve body (1) is internally provided with a valve cover (4), and the valve cover (4) and the valve body (1) form a drainage channel (5); The drainage channel (5) is communicated with the inside of the water inlet (2), the drainage channel (5) is communicated with the inside of the water outlet (3), and the valve cover (4) is internally provided with a valve clack, and the valve clack comprises a valve clack head (6) and a valve clack handle (7); The valve clack head (6) is located at one end of the valve body (1) close to the water inlet (2), and the valve clack handle (7) is located at one end of the valve body (1) close to the water outlet (3); The valve cover (4) is internally provided with a valve clack head guide cavity (8), the valve clack head guide cavity (8) is in sliding fit with the valve clack head (6), and the valve clack head guide cavity (8) corresponds to the water inlet (2); The valve cover (4) is internally provided with a valve clack handle guide cavity (9), and the valve clack handle guide cavity (9) corresponds to the water outlet (3); The valve clack handle guide cavity (9) is sleeved on the side surface of the valve clack handle (7), and one end of the valve clack head (6) is fixedly provided with an elastic reset member (10).

2. A multi-directional mounting check valve according to claim 1, wherein One end of the elastic reset member (10) away from the valve clack head (6) is fixedly arranged on the inner side of the valve clack handle guide cavity (9), the elastic reset member (10) is sleeved on the side surface of the valve clack handle (7), and the elastic reset member (10) is arranged on the inner side of the valve clack handle guide cavity (9).

3. A multi-directional mounting check valve according to claim 2, wherein The valve clack head (6) is internally provided with a first gasket (11), and the first gasket (11) corresponds to the position of the water inlet (2), and a sealing ring (12) is arranged between the first gasket (11) and the valve clack head (6), so as to enhance the sealing property of the check valve.

4. A multi-way mounted check valve according to claim 3, wherein The first gasket (11) and the valve clack head (6) are connected through a nut (13), and the valve body (1) and the valve cover (4) are connected through a second gasket (14).

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