CN217842809U

CN217842809U - One-way valve

Info

Publication number: CN217842809U
Application number: CN202222061384.0U
Authority: CN
Inventors: 陈曙曦
Original assignee: Zhuhai Doumen Aors Electric Appliance Co ltd
Current assignee: Zhuhai Doumen Aors Electric Appliance Co ltd
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2022-11-18
Anticipated expiration: 2032-08-08

Abstract

The utility model discloses a one-way valve, which comprises a valve body component, a first joint, a threaded hole, a semicircular groove, a conical groove, a second joint, a containing groove, a valve core component, a plug head, a first groove, an O-shaped sealing ring, a plug rod, a second groove, a limiting block, a through hole and a spring, wherein the plug head is provided with the first groove, and the O-shaped sealing ring is arranged in the first groove; the first connector is provided with a threaded hole, the threaded hole is in conduction connection with the conical groove, and the inner wall of the threaded hole is provided with a semicircular groove; a second groove is formed in the plug rod, a limiting block is fixedly connected in the second groove, and the check ring is clamped and fixed in the second groove through the limiting block; the plug rod is provided with a groove, and the check ring is provided with a through hole; the utility model discloses a 90 bell jar holds the chock plug, can solve the chock plug sealed not good, open incomplete problem, and this real novel advantage that has simple structure, low cost, easy dismounting, stable performance.

Description

One-way valve

Technical Field

The utility model relates to a check valve technical field, in particular to check valve.

Background

The Venturi ejector is characterized in that fluid with certain pressure is ejected at high speed through a nozzle, vacuum is formed in the nozzle area, the other fluid of a suction inlet is sucked in under the action of atmospheric pressure, the two fluids are mixed and then discharged from a discharge port, the Venturi ejector is commonly used for liquid-gas mixing, liquid-liquid mixing, gas-gas mixing and the like, as two substances of different materials are used, and the internal pressure of the Venturi ejector is different from the pressure outside the suction inlet when the Venturi ejector does not work, a one-way valve is usually arranged at the suction inlet; but because the pressure variation when venturi reason ejector during operation and not working is big, current check valve exists sealed not good, open incomplete scheduling problem, and the structure is complicated moreover, installs loaded down with trivial details, high in production cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a check valve to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a check valve, includes the valve body subassembly, the valve body subassembly includes the first joint, fixedly connected with second connects on the first joint, the bell jar has been seted up in the first joint, the holding tank has been seted up in the second connects, and holding tank and bell jar turn-on connection, install the case subassembly in the bell jar, the case subassembly includes the chock plug, be provided with the chock plug in the bell jar, fixedly connected with gag lever post on the chock plug, the one end joint of gag lever post is fixed with the retaining ring, and the retaining ring cup joints in the holding tank, one side of retaining ring is provided with the spring, and the spring cup joints on the gag lever post.

Preferably, a first groove is formed in the plug head, and an O-shaped sealing ring is installed in the first groove.

Preferably, a threaded hole is formed in the first connector and is in conduction connection with the tapered groove, and a semicircular groove is formed in the inner wall of the threaded hole.

Preferably, a second groove is formed in the plug rod, a limiting block is fixedly connected in the second groove, and the check ring is clamped and fixed in the second groove through the limiting block.

Preferably, the plug rod is provided with a groove, and the check ring is provided with a through hole.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the utility model discloses a 90 conical flutes hold the chock plug, can solve the chock plug and seal not well, open incomplete problem, and this real novel advantage that has simple structure, low cost, easy dismounting, stable performance.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall three-dimensional structure of the present invention;

FIG. 2 is a schematic view of the overall front view cutting structure of the present invention;

in the figure: 1. a valve body assembly; 10. a first joint; 11. a threaded hole; 12. a semicircular groove; 13. a tapered slot; 14. a second joint; 15. accommodating a tank; 2. a valve core assembly; 20. a plug head; 21. a first trench; 22. an O-shaped sealing ring; 23. a plug rod; 24. a second trench; 25. a limiting block; 26. a groove; 27. a retainer ring; 28. a through hole; 29. a spring.

Detailed Description

To make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below 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 efforts belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides an embodiment: a one-way valve comprises a valve body assembly 1, wherein the valve body assembly 1 comprises a first connector 10, a second connector 14 is fixedly connected to the first connector 10, a tapered groove 13 is formed in the first connector 10, an accommodating groove 15 is formed in the second connector 14, the accommodating groove 15 is in conduction connection with the tapered groove 13, a valve core assembly 2 is installed in the tapered groove 13, the valve core assembly 2 comprises a plug head 20, a plug head 20 is arranged in the tapered groove 13, a plug rod 23 is fixedly connected to the plug head 20, one end of the plug rod 23 is fixedly clamped with a check ring 27, the check ring 27 is sleeved in the accommodating groove 15, a spring 29 is arranged on one side of the check ring 27, and the spring 29 is sleeved on the plug rod 23; a first groove 21 is formed in the plug 20, and an O-shaped sealing ring 22 is installed in the first groove 21; a threaded hole 11 is formed in the first joint 10, the threaded hole 11 is in conduction connection with the conical groove 13, and a semicircular groove 12 is formed in the inner wall of the threaded hole 11; a second groove 24 is formed in the plug rod 23, a limiting block 25 is fixedly connected in the second groove 24, and the retainer ring 27 is clamped and fixed in the second groove 24 through the limiting block 25; the plug rod 23 is provided with a groove 26, and the retainer ring 27 is provided with a through hole 28;

specifically, when the utility model is assembled and used, firstly, the O-shaped sealing ring 22 is installed in the first groove 21 on the plug 20, the plug rod 23 penetrates into the accommodating groove 15 through the tapered groove 13, the spring 29 is installed into the accommodating groove 15, and finally the check ring 27 is plugged into the second groove 24 through the limiting block 25, so that the check ring is clamped on the plug rod 23 through the limiting block 25, and the assembly of the valve body assembly 1 and the valve core assembly 2 can be completed; when the sealing ring is used, the sealing ring is placed into the semicircular groove 12, then the suction inlet of the Venturi ejector is installed in the threaded hole 11 on the first connector 10, the sealing ring is connected with an external pipeline through the second connector 14, after airflow or water flow is introduced into the external pipeline, the check ring 27 moves inwards along the accommodating groove 15 under the action of air pressure or water pressure, the plug 20 is driven by the plug rod 23, the conical groove 13 is in an open state, meanwhile, the spring 29 is compressed, gas or liquid enters the accommodating groove 15 through the through hole 28, enters the conical groove 13 through the groove 26 and then enters the suction inlet of the Venturi ejector, and after the external pipeline stops introducing the airflow or water flow, the check ring 27 is pushed to reset under the reset action of the spring 29, so that the plug 20 closes the conical groove 13; the plug head 20 and the plug rod 23 are of an integrated structure, the whole one-way valve is simple and compact in structure, the number of parts is small, and the valve is convenient to disassemble and assemble.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, 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.

The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A check valve comprising a valve body assembly (1), characterized in that: valve body subassembly (1) includes first joint (10), fixedly connected with second joint (14) are gone up in first joint (10), tapered groove (13) have been seted up in first joint (10), holding tank (15) have been seted up in second joint (14), and holding tank (15) and tapered groove (13) turn-on connection, install case subassembly (2) in tapered groove (13), case subassembly (2) are including chock plug (20), be provided with chock plug (20) in tapered groove (13), fixedly connected with cock stem (23) on chock plug (20), the one end joint of cock stem (23) is fixed with retaining ring (27), and retaining ring (27) cup joint in holding tank (15), one side of retaining ring (27) is provided with spring (29), and spring (29) cup joint on cock stem (23).

2. A one-way valve according to claim 1, wherein: a first groove (21) is formed in the plug head (20), and an O-shaped sealing ring (22) is installed in the first groove (21).

3. A one-way valve according to claim 1, wherein: a threaded hole (11) is formed in the first connector (10), the threaded hole (11) is in conduction connection with the conical groove (13), and a semicircular groove (12) is formed in the inner wall of the threaded hole (11).

4. A one-way valve according to claim 1, wherein: the second slot (24) has been seted up on cock stem (23), fixedly connected with stopper (25) in second slot (24), and retaining ring (27) are fixed in second slot (24) through stopper (25) joint.

5. A check valve as claimed in claim 4, wherein: the plug rod (23) is provided with a groove (26), and the check ring (27) is provided with a through hole (28).