A one-way valve capable of releasing pressure
By using magnetic suction parts and pressure relief valve core design in the check valve, the problems of easy damage and flow unstable traditional check valves under high pressure are solved, and higher flow stability and valve core protection effect are achieved.
Patent Information
- Application Number
- CN202421302153.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-07
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-06-07
AI Technical Summary
Traditional check valves are prone to damage when the liquid pressure is too high, and the pulsation of the liquid pressure causes the valve core to vibrate, reducing the stability of the process of liquid flowing through the check valve.
A pressure-relieving check valve is designed, and the main valve core is kept from the liquid inlet and outlet channels by using the first magnetic suction member and the second magnetic suction member. Through the coordination of the pressure-relieving valve core and the elastic member, the liquid inlet and the pressure-relieving channel are connected to the pressure-relieving channel when the liquid pressure is too high, reducing the impact of liquid on the main valve core.
Improves the stability of the liquid flowing through the check valve and reduces the chance of damage to the check valve due to excessive liquid pressure.
Smart Images
Figure CN222746674U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hydraulic control, in particular to a one-way valve capable of relieving pressure. Background Art
[0002] A one-way valve used in the hydraulic field is a valve that allows fluid to flow in only one direction but not in the opposite direction.
[0003] During the use of traditional one-way valves, when the pressure at the liquid inlet end is too high, the liquid pressure will directly act on the valve core, causing the valve core to be easily damaged. At the same time, the valve core often relies solely on spring force to provide the extrusion force required for sealing. When the liquid in the hydraulic system has pressure pulsations, it is easy to cause the valve core to vibrate, reducing the stability of the liquid flowing through the one-way valve.
[0004] Therefore, further improvements are needed. Utility Model Content
[0005] The purpose of the utility model is to overcome the deficiencies of the above-mentioned prior art and to provide a one-way valve capable of relieving pressure, which can effectively improve the stability of the process of liquid flowing through the one-way valve and reduce the chance of damage to the one-way valve due to excessive liquid pressure.
[0006] The purpose of the utility model is achieved in this way:
[0007] A one-way valve capable of relieving pressure comprises a valve body and a main valve core, the valve body having a liquid inlet channel, a liquid outlet channel, a pressure relief channel and a valve core movable chamber, the main valve core is arranged in the valve core movable chamber and is movably connected to the valve body so that the liquid inlet channel and the liquid outlet channel are connected or isolated, a first magnetic component is provided on the valve body, and a second magnetic component is provided on the main valve core, the first magnetic component and the second magnetic component can attract each other so that the main valve core keeps isolating the liquid inlet channel and the liquid outlet channel.
[0008] The main valve core has an inner cavity that can be communicated with the pressure relief channel, and the inner cavity is provided with a pressure relief valve core. The pressure relief valve core and the main valve core are movably connected to each other so that the liquid inlet channel and the inner cavity are connected or isolated. An elastic member is provided in the movable cavity of the valve core. The elastic member can push the pressure relief valve core to press the main valve core so that the inner cavity and the liquid inlet channel are kept isolated. The pressure relief valve core presses the main valve core so that the main valve core can keep the liquid inlet channel and the liquid outlet channel isolated, and the thrust of the elastic member is greater than the suction force between the first magnetic attraction member and the second magnetic attraction member.
[0009] As a specific solution, the pressure relief valve core is in the shape of a cone that is wide at the top and narrow at the bottom. A liquid inlet corresponding to the pressure relief valve core is provided on the lower side of the main valve core. The lower section of the side wall of the pressure relief valve core is connected to the liquid inlet so that the inner cavity is separated from the liquid inlet channel. Alternatively, the lower section of the side wall of the pressure relief valve core is separated from the liquid inlet so that the inner cavity is connected to the liquid inlet channel.
[0010] As a specific solution, the upper section of the side wall of the pressure relief valve core is in close contact with the side wall of the inner cavity and can slide together to form a liquid inlet space and a liquid discharge space in the inner cavity. A liquid discharge groove is provided in the pressure relief valve core, and the liquid inlet space and the liquid discharge space are connected through the liquid discharge groove.
[0011] As a specific solution, a pressure relief port is provided on the main valve core on one side close to the pressure relief channel, and the main valve core moves back and forth along the length direction of the inner cavity so that the pressure relief port and the pressure relief channel can be staggered or at least partially overlapped in the horizontal direction.
[0012] As a specific solution, the upper position of the valve body corresponding to the valve core movable cavity is open and connected to a movable block, and the upper and lower sides of the elastic member are respectively in contact with the movable block and the pressure relief valve core.
[0013] As a specific solution, the movable block is connected to the movable chamber of the valve core through a threaded structure so that the movable block can move back and forth vertically, and the movable block can form different pressures on the elastic member vertically.
[0014] As a specific solution, a positioning recess corresponding to the elastic member is provided on the lower side of the movable block, and an upper section of the elastic member at least partially extends into the positioning recess.
[0015] As a specific solution, a tool connecting portion for connecting and cooperating with an external tool is provided on the upper side of the movable block.
[0016] The beneficial effects of the utility model are:
[0017] The cooperation between the first magnetic element and the second magnetic element can improve the stability of the main valve core in isolating the liquid inlet channel and the liquid outlet channel, and reduce the chance of liquid moving between the liquid inlet channel and the liquid outlet channel due to liquid pressure pulsation, thereby improving the stability of the liquid flowing through the one-way valve. At the same time, the pressure relief valve can connect the liquid inlet channel with the pressure relief channel when the liquid pressure is too high, thereby reducing the impact of the liquid on the main valve core and reducing the chance of damage to the main valve core. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 The structure of the embodiment of the utility model is shown in FIG. Figure 1 .
[0019] Figure 2 The structure of the embodiment of the utility model is shown in FIG. Figure 2 .
[0020] Figure 3 The structure of the embodiment of the utility model is shown in FIG. Figure 3 . DETAILED DESCRIPTION
[0021] The utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0022] See also Figure 1-Figure 3 The one-way valve capable of pressure relief comprises a valve body 1 and a main valve core 2. The valve body 1 has a liquid inlet channel 11, a liquid outlet channel 12, a pressure relief channel 13 and a valve core active chamber 14. The main valve core 2 is arranged in the valve core active chamber 14 and is movably connected to the valve body 1 so that the liquid inlet channel 11 is connected to or isolated from the liquid outlet channel 12. A first magnetic component 31 is provided on the valve body 1, and a second magnetic component 32 is provided on the main valve core 2. The first magnetic component 31 and the second magnetic component 32 can be attracted to each other so that the main valve core 2 keeps separating the liquid inlet channel 11 and the liquid outlet channel 12. The cooperation between the first magnetic component 31 and the second magnetic component 32 can improve the stability of the main valve core 2 in keeping the liquid inlet channel 11 and the liquid outlet channel 12 separated, reduce the chance of the liquid intending to move between the liquid inlet channel 11 and the liquid outlet channel 12 due to the pressure pulsation of the liquid, thereby improving the stability of the liquid flowing through the one-way valve.
[0023] The main valve core 2 has an inner cavity 21 that can be connected to the pressure relief channel 13. The inner cavity 21 is provided with a pressure relief valve core 4. The pressure relief valve core 4 is movably connected to the main valve core 2 to make the liquid inlet channel 11 connected or isolated from the inner cavity 21. An elastic member 5 is provided in the valve core movable cavity 14. The elastic member 5 can push the pressure relief valve core 4 to press the main valve core 2 to keep the inner cavity 21 and the liquid inlet channel 11 isolated. The pressure relief valve core 4 presses the main valve core 2 to keep the main valve core 2 isolated from the liquid inlet channel 11 and the liquid outlet channel 12. The pressure relief valve can connect the liquid inlet channel 11 with the pressure relief channel 13 when the liquid pressure is too high, thereby reducing the impact of the liquid on the main valve core 2 and reducing the chance of damage to the main valve core 2.
[0024] The thrust of the elastic member 5 is greater than the attraction between the first magnetic member 31 and the second magnetic member 32, and the pressure of the liquid will first push the main valve core 2 to make the liquid inlet channel 11 and the liquid outlet channel 12 communicate. When the pressure of the liquid is too high, the pressure relief valve core 4 will be further pushed to make the liquid inlet channel 11 communicate with the pressure relief channel 13 through the inner cavity 21.
[0025] Furthermore, the pressure relief valve core 4 is in the shape of a cone that is wide at the top and narrow at the bottom. A liquid inlet 22 corresponding to the pressure relief valve core 4 is provided on the lower side of the main valve core 2. The connection between the lower section of the side wall of the pressure relief valve core 4 and the liquid inlet 22 can separate the inner cavity 21 from the liquid inlet channel 11, or the separation of the lower section of the side wall of the pressure relief valve core 4 from the liquid inlet 22 can connect the inner cavity 21 with the liquid inlet channel 11, thereby improving the stability of the connection between the pressure relief valve core 4 and the liquid inlet 22.
[0026] Furthermore, the upper section of the side wall of the pressure relief valve core 4 is in close contact with the side wall of the inner cavity 21 and can slide together to form a liquid inlet space 211 and a liquid discharge space 212 in the inner cavity 21, which can avoid radial displacement of the pressure relief valve core 4 and improve the stability of the operation of the pressure relief valve core 4.
[0027] A liquid discharge groove 41 is provided in the pressure relief valve core 4, and the liquid inlet space 211 and the liquid discharge space 212 are connected through the liquid discharge groove 41. When pressure relief is required, the liquid enters the liquid inlet space 211 from the liquid inlet 22, then enters the liquid discharge space 212 through the pressure relief grass, and finally discharges the one-way valve from the pressure relief channel 13.
[0028] Furthermore, a pressure relief port 23 is provided on the main valve core 2 on one side close to the pressure relief channel 13. The main valve core 2 makes a reciprocating motion along the length direction of the inner cavity 21 so that the pressure relief port 23 and the pressure relief channel 13 are horizontally staggered or at least partially overlapped, thereby ensuring that the liquid in the inner cavity 21 is smoothly discharged to the pressure relief channel 13 through the pressure relief port 23 when pressure relief is required.
[0029] Furthermore, the upper position of the valve body 1 corresponding to the valve core movable chamber 14 is open and connected to the movable block 6 , and the upper and lower sides of the elastic member 5 are respectively in contact with the movable block 6 and the pressure relief valve core 4 .
[0030] Furthermore, the movable block 6 is connected to the valve core movable chamber 14 through a threaded structure to enable the movable block 6 to move back and forth vertically. The movable block 6 can form different pressures on the elastic member 5 vertically. The movable block 6 can control the thrust on the pressure relief valve core 4 by adjusting its position relative to the valve core movable chamber 14 vertically, thereby controlling the liquid pressure required for the one-way valve to release pressure.
[0031] Furthermore, a positioning recess 61 corresponding to the elastic member 5 is provided on the lower side of the movable block 6, and the upper section of the elastic member 5 at least partially extends into the positioning recess 61, which can improve the stability of the connection between the elastic member 5 and the movable block 6 and avoid accidental displacement of the elastic member 5.
[0032] Furthermore, a tool connection portion 62 for connecting with an external tool is provided on the upper side of the movable block 6, so that the user can adjust the vertical position of the movable block 6 relative to the valve body 1 by external tools such as a screwdriver.
[0033] The above embodiments are only preferred embodiments of the present invention, and the present invention may have other embodiments. Those skilled in the art may make equivalent modifications or substitutions without violating the spirit of the present invention, and these equivalent modifications or substitutions are all within the scope set by the claims of this application.
Claims
1. A one-way valve capable of releasing pressure, characterized in that: The valve body (1) comprises a valve main body (1) and a main valve core (2), wherein the valve main body (1) comprises a liquid inlet channel (11), a liquid outlet channel (12), a pressure relief channel (13) and a valve core movable chamber (14), wherein the main valve core (2) is arranged in the valve core movable chamber (14) and is movably connected to the valve main body (1) so that the liquid inlet channel (11) and the liquid outlet channel (12) are connected or disconnected, wherein a first magnetic attraction component (31) is arranged on the valve main body (1), and a second magnetic attraction component (32) is arranged on the main valve core (2), wherein the first magnetic attraction component (31) and the second magnetic attraction component (32) can be mutually attracted so that the main valve core (2) keeps disconnecting the liquid inlet channel (11) and the liquid outlet channel (12); The main valve core (2) has an inner cavity (21) that can communicate with the pressure relief channel (13), and the inner cavity (21) is provided with a pressure relief valve core (4). The pressure relief valve core (4) is movably connected to the main valve core (2) so that the liquid inlet channel (11) and the inner cavity (21) are connected or blocked. An elastic member (5) is provided in the valve core movable cavity (14), and the elastic member (5) can push the pressure relief valve core (4) to press the main valve core (2) so that the inner cavity (21) and the liquid inlet channel (11) are blocked. The pressure relief valve core (4) presses the main valve core (2) so that the main valve core (2) can block the liquid inlet channel (11) and the liquid outlet channel (12), and the thrust of the elastic member (5) is greater than the suction force between the first magnetic member (31) and the second magnetic member (32).
2. The one-way valve capable of releasing pressure according to claim 1, characterized in that: The pressure relief valve core (4) is in the shape of a cone column that is wide at the top and narrow at the bottom. A liquid inlet (22) corresponding to the pressure relief valve core (4) is provided on the lower side of the main valve core (2). The lower section of the side wall of the pressure relief valve core (4) is connected to the liquid inlet (22) so that the inner cavity (21) is isolated from the liquid inlet channel (11). Alternatively, the lower section of the side wall of the pressure relief valve core (4) is separated from the liquid inlet (22) so that the inner cavity (21) is connected to the liquid inlet channel (11).
3. The one-way valve capable of releasing pressure according to claim 2, characterized in that: The upper section of the side wall of the pressure relief valve core (4) is in close contact with the side wall of the inner cavity (21) and is capable of slidingly cooperating to form a liquid inlet space (211) and a liquid discharge space (212) in the inner cavity (21); a liquid discharge groove (41) is provided in the pressure relief valve core (4); and the liquid inlet space (211) and the liquid discharge space (212) are connected via the liquid discharge groove (41).
4. The one-way valve capable of releasing pressure according to claim 1, characterized in that: A pressure relief port (23) is provided on one side of the main valve core (2) close to the pressure relief channel (13); the main valve core (2) performs a reciprocating motion along the length direction of the inner cavity (21) so that the pressure relief port (23) and the pressure relief channel (13) are offset in the horizontal direction or at least partially overlap.
5. The one-way valve capable of releasing pressure according to claim 1, characterized in that: The valve body (1) is open at a position above the valve core movable chamber (14) and is connected to a movable block (6). The upper and lower sides of the elastic member (5) are respectively in contact with the movable block (6) and the pressure relief valve core (4).
6. The one-way valve capable of releasing pressure according to claim 5, characterized in that: The movable block (6) and the valve core movable chamber (14) are connected and matched via a threaded structure so that the movable block (6) can move back and forth vertically. The movable block (6) can exert different pressures on the elastic member (5) vertically.
7. The one-way valve capable of releasing pressure according to claim 6, characterized in that: A positioning recess (61) corresponding to the elastic member (5) is provided on the lower side of the movable block (6), and an upper section of the elastic member (5) at least partially extends into the positioning recess (61).
8. The one-way valve capable of releasing pressure according to claim 6, characterized in that: A tool connection portion (62) for connecting and cooperating with an external tool is provided on the upper side of the movable block (6).