Double-acting water spray valve

Abstract

The utility model discloses a double-acting water spray valve which comprises a valve body, a valve seat is arranged in the valve body, a cavity is formed in the valve seat, a valve element is connected in the cavity in a sliding mode, the surface of the inner wall of the cavity is fixedly connected with a first limiting block and a second limiting block respectively, and a movable cavity is formed between the surface of the first limiting block and the surface of the second limiting block. A fixing block is fixedly connected to the surface of the outer wall of the valve element and moves in the movable cavity along with the valve element, and a first reset elastic piece and a second reset elastic piece are fixedly connected to the sides, close to the movable cavity, of the surfaces of the first limiting block and the second limiting block correspondingly. According to the design, the first reset elastic piece and the second reset elastic piece are arranged on the surface of the first limiting block and the surface of the second limiting block respectively, the fixing block abuts against one reset elastic piece, in the switching process, the fixing block is rapidly bounced off through the elasticity of the fixing block, the valve element slides in the cavity, and switching is completed; therefore, the problems in the background technology are effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of double-acting water spray valves, and specifically relates to a double-acting water spray valve. Background Technique

[0002] The double-acting water spray valve is actuated by two control liquids on the ejector rod and the valve core in the valve body, so that the valve core leaves or presses against the valve gasket, thereby opening or closing the water spray valve.

[0003] In the prior art, the valve core and the valve seat of the double-acting water spray valve adopt a line seal of a conical surface and a conical surface formed by the conical surface sealing line of the valve core and the conical surface sealing line of the valve seat. When the liquid water quality is not clean, the valve core slides on the inner wall of the valve seat, making it easy for the valve seat and the valve core to have difficulties in sliding, thus affecting the normal use of the water spray valve. Summary of the Invention

[0004] The purpose of the utility model is to provide a double-acting water spray valve to solve the problem that the valve core and the valve seat of the double-acting water spray valve in the above background technique adopt a line seal of a conical surface and a conical surface formed by the conical surface sealing line of the valve core and the conical surface sealing line of the valve seat. When the liquid water quality is not clean, the valve core slides on the inner wall of the valve seat, making it easy for the valve seat and the valve core to have difficulties in sliding, thus affecting the normal use of the water spray valve.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A double-acting water spray valve, including a valve body, a valve seat is arranged in the valve body, the valve seat is provided with a chamber, closing joints and opening joints are respectively arranged at opposite positions of the two ends of the valve body in the chamber, and the closing joints and the opening joints are communicated with the chamber. A valve core is slidably connected in the chamber. The inner wall surface of the chamber is respectively fixedly connected with a first limiting block and a second limiting block. An activity chamber is formed between the surfaces of the first limiting block and the second limiting block. A fixed block is fixedly connected to the outer wall surface of the valve core, and the fixed block moves in the activity chamber along with the valve core. A first reset elastic sheet and a second reset elastic sheet are respectively fixedly connected to the surfaces of the first limiting block and the second limiting block close to the activity chamber.

[0006] Preferably, chamfers are provided at the corners of the surface of the fixed block.

[0007] Preferably, the chamfered surface abuts against the surfaces of the first reset elastic sheet and the second reset elastic sheet.

[0008] Preferably, the first reset elastic sheet and the second reset elastic sheet adopt a V-shaped structure design.

[0009] Preferably, the first reset elastic sheet and the second reset elastic sheet and the first limiting block and the second limiting block adopt an integrated structure design.

[0010] Preferably, a water inlet and a water outlet are respectively provided at the front and rear ends of the valve body, and the water inlet and the water outlet are respectively communicated with the chamber.

[0011] Beneficial Effects

[0012] Compared with the existing technology, the beneficial effects of the utility model are:

[0013] In combination with the structural design of the utility model, by respectively arranging reset spring piece 1 and reset spring piece 2 on the surfaces of limit block 1 and limit block 2, a conflicting state is formed between the fixed block and the reset spring piece on one side. During the switching process, the fixed block can be quickly popped open by utilizing its own elasticity, so that the valve core can slide in the chamber to complete the switching, thereby effectively solving the problems raised in the background technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the internal structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the enlarged structure of point A of the utility model.

[0016] 1. Valve body; 2. Valve seat; 3. Chamber; 4. Valve core; 5. Open joint; 6. Close joint; 7. Water outlet; 8. Water inlet; 9. Fixed block; 10 Chamfer; 11. Limit block 1; 12. Reset spring 1;

[0017] 13. Limit block 2; 14. Reset spring 2; 15. Movable cavity. DETAILED DESCRIPTION

[0018] The technical solution of the utility model will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "front", "back", "inside", "outside", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore are not to be construed as limiting the present invention. In addition, the terms "first", "second" and "third" are only used for descriptive purposes and are not to be construed as indicating or implying relative importance.

[0020] like Figure 1-2It is a schematic structural diagram of a double-acting water spray valve in a preferred embodiment of the utility model. In this embodiment, a double-acting water spray valve includes a valve body 1, a valve seat 2 is arranged in the valve body 1, a chamber 3 is opened in the valve seat 2, and a closing joint 6 and an opening joint 5 are respectively opened at two ends of the valve body 1 at relative positions of the chamber 3, and the closing joint 6 and the opening joint 5 are communicated with the chamber 3, and a valve core 4 is slidably connected in the chamber 3, and a limit block 11 and a limit block 2 13 are fixedly connected to the inner wall surface of the chamber 3, respectively, and an active cavity 15 is formed between the surfaces of the limit block 11 and the limit block 2 13. A fixed block 9 is fixedly connected to the outer wall surface of the valve core 4, and the fixed block 9 moves with the valve core 4 in the active cavity 15, thereby realizing the limiting function. At the same time, a reset spring piece 12 and a reset spring piece 2 14 are respectively fixedly connected to the surface of the limit block 11 and the limit block 2 13 close to the active cavity 15, so that the fixed block 9 moves with the valve core 4 to form a conflicting state with the reset spring piece on one side. During the switching process, the fixed block 9 can be quickly ejected by utilizing its own elasticity, so that the valve core 4 can slide in the chamber 3 to complete the switching, thereby effectively solving the problems raised in the background technology.

[0021] In this embodiment, chamfers 10 are provided at the corners of the surface of the fixed block 9, and the surface of the chamfer 10 conflicts with the surfaces of the reset spring piece 12 and the reset spring piece 2 14. The above-mentioned structural design prevents the valve core 4 from driving the fixed block 9 to move and switch. Due to excessive pressure, the fixed block 9 collides with the reset spring piece, causing the reset spring piece to be damaged, causing the reset spring piece to lose its function, thereby affecting the normal use of the water spray valve.

[0022] In this embodiment, the reset spring piece 1 12 and the reset spring piece 2 14 adopt a V-shaped structural design. This structural design can utilize the structural design and the material of the reset spring piece itself to realize the ejection of the fixed block 9 .

[0023] In this embodiment, the reset spring piece 12 and the reset spring piece 2 14 are designed with an integrated structure with the limit block 11 and the limit block 2 13, and their arrangement increases the connection strength therebetween, thereby increasing the service life.

[0024] In this embodiment, a water inlet 8 and a water outlet 7 are respectively formed at the front and rear ends of the valve body 1 , and the water inlet 8 and the water outlet 7 are respectively communicated with the chamber 3 .

[0025] The above content is a further detailed description of the utility model in combination with specific implementation methods. It cannot be determined that the specific implementation of the utility model is limited to these descriptions. For ordinary technicians in the technical field to which the utility model belongs, without departing from the concept of the utility model, they can also make several simple deductions or substitutions, which should be regarded as belonging to the scope of protection determined by the claims submitted for the utility model.

Claims

1. A double-acting water spray valve, comprising a valve body (1), wherein a valve seat (2) is arranged in the valve body (1), wherein a chamber (3) is formed in the valve seat (2), wherein two ends of the valve body (1) are respectively provided with a closing joint (6) and an opening joint (5) at positions opposite to the chamber (3), and wherein the closing joint (6) and the opening joint (5) are communicated with the chamber (3), and a valve core (4) is slidably connected in the chamber (3), wherein: The inner wall surface of the chamber (3) is respectively fixedly connected to a limit block 1 (11) and a limit block 2 (13); a movable cavity (15) is formed between the surfaces of the limit block 1 (11) and the limit block 2 (13); the outer wall surface of the valve core (4) is fixedly connected to a fixed block (9); and the fixed block (9) moves in the movable cavity (15) along with the valve core (4); and the surfaces of the limit block 1 (11) and the limit block 2 (13) are respectively fixedly connected to a reset spring piece 1 (12) and a reset spring piece 2 (14) on the side close to the movable cavity (15).

2. A double-acting water spray valve according to claim 1, characterized in that: The fixing block (9) has chamfers (10) at the corners of its surface.

3. A double-acting water spray valve according to claim 2, characterized in that: The chamfered surface (10) is in conflict with the surfaces of the first reset spring piece (12) and the second reset spring piece (14).

4. A double-acting water spray valve according to claim 3, characterized in that: The first resetting spring piece (12) and the second resetting spring piece (14) are designed in a V-shaped structure.

5. A double-acting water spray valve according to claim 1, characterized in that: The reset spring piece 1 (12) and the reset spring piece 2 (14) are designed as an integrated structure with the limit block 1 (11) and the limit block 2 (13).

6. A double-acting water spray valve according to claim 1, characterized in that: The valve body (1) is provided with a water inlet (8) and a water outlet (7) at the front and rear ends respectively, and the water inlet (8) and the water outlet (7) are respectively communicated with the chamber (3).

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