AB valve
By designing an AB valve including a valve body, A valve chamber and B valve chamber, the problems of simple structure and insufficient sealing of the existing AB valve are solved, and the effect of multi-line connection and sealing guarantee is achieved.
Patent Information
- Application Number
- CN202411706063.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-26
- Publication Date
- 2025-02-18
AI Technical Summary
The existing AB valve has a simple structure, which cannot meet the needs of complex line connections, and cannot guarantee sealing, making it easy to cause water or air leakage.
A AB valve including a valve body, an A valve chamber and a B valve chamber are designed, by providing a first and second passage chambers, an air inlet and a water outlet, and a spring is inserted in the valve core and the sealing plug head. and sealing rings to achieve multi-line connection and sealing guarantee.
The connection of multiple lines is realized, and the sealing is ensured, and water leakage or air leakage is avoided, which has higher use value than the prior art.
Smart Images
Figure CN119467779A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of valve structures, and in particular to an AB valve. Background Art
[0002] The AB valve, also known as the α-β valve, is widely used in the field of gas-liquid transportation. For example, in the pipe connection system of dental chairs and dental chair cleaning equipment, the AB valve in the prior art has a relatively simple structure and cannot meet the needs of complex line connections. It also cannot guarantee sealing and may leak water or air during use.
[0003] In order to solve the above problems, the present application discloses an AB valve. Summary of the invention
[0004] In order to overcome the deficiencies of the prior art, the present invention discloses an AB valve.
[0005] In order to achieve the above-mentioned object, the technical solution adopted by the present invention is: an AB valve, comprising a valve body;
[0006] The valve body is provided with an A valve cavity and a B valve cavity at the top and bottom, and a first through cavity and a second through cavity are provided on both sides of the middle of the A valve cavity and the B valve cavity;
[0007] The left and right sides of the valve cavity A are respectively provided with a first air inlet and a total water inlet, the first air inlet and the total water inlet are respectively inserted with a first inner hollow plug and a second inner hollow plug, the interior of the second inner hollow plug is inserted with a first spring, the interior of the valve cavity A is provided with a first valve core, and the top of the valve body is provided with a first water outlet communicating with the valve cavity A;
[0008] The left and right sides of the B valve cavity are respectively set as a through port and a second air inlet, and the first sealing plug and the third internal hollow plug are respectively inserted inside the through port and the second air inlet, and a second spring is inserted inside the first sealing plug. A second valve core opposite to the first valve core is provided inside the B valve cavity, and a second water outlet communicating with the B valve cavity is opened at the bottom of the valve body.
[0009] Further preferably, the valve body is a rectangular structure.
[0010] It is further preferred that the first valve core and the second valve core each include a first piston split body and a second piston split body which are plugged into each other, and a third piston split body which is sleeved outside the second piston split body close to the first piston split body.
[0011] It is further preferred that a first annular step for limiting the second piston split in the first valve core is provided on the left side wall of the A valve chamber, and a second annular step for limiting the second piston split in the second valve core is provided on the right side wall of the B valve chamber.
[0012] Further preferably, the first piston body, the second piston body and the third piston body are all provided with annular grooves on their exteriors, and a first sealing ring is sleeved in the annular grooves.
[0013] It is further preferred that the first inner hollow plug and the second inner hollow plug are sleeved with a second sealing ring in the A valve chamber, and the first sealing plug and the third inner hollow plug are sleeved with a third sealing ring in the B valve chamber.
[0014] Further preferably, two reserved openings are opened below the valve body, and second sealing plugs are respectively inserted into the two reserved openings.
[0015] The present invention achieves the following beneficial effects:
[0016] The present application can satisfy the connection requirements of multiple lines and can also ensure sealing without water leakage or air leakage. Compared with the existing technology, it has higher use value.
[0017] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the structures pointed out in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure of the present invention and, together with the description, serve to explain the principles of the disclosure.
[0019] Figure 1 It is a schematic diagram of the overall structure disclosed in the present invention;
[0020] Figure 2 It is a schematic diagram of the cross-sectional structure disclosed in the present invention;
[0021] Figure 3 It is a schematic diagram of the cross-sectional structure of the first valve core disclosed in the present invention;
[0022] In the figure: 10, valve body; 11, valve chamber A; 111, first air inlet; 112, main water inlet; 113, first water outlet; 114, first annular step; 12, valve chamber B; 121, through port; 122, second air inlet; 123, second water outlet; 124, second annular step; 125, reserved port; 13, first through cavity; 14, second through cavity; 20, first inner hollow plug; 30, second inner hole plug; 40, first spring; 50, first valve core; 51, first piston split; 52, second piston split; 53, third piston split; 54, annular groove; 55, first sealing ring; 60, first sealing plug; 70, third inner hollow plug; 80, second spring; 90, second valve core; 100, second sealing ring; 110, second sealing ring. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.
[0024] In the description of the present invention, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inside", "all around" and the like indicating orientation or positional relationship are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.
[0025] Example
[0026] In order to solve the problem that the AB valve structure in the prior art is relatively simple, cannot meet the connection of complex lines, cannot ensure sealing, and is prone to leakage or air leakage, refer to Figure 1-Figure 2 As shown, the present application discloses an AB valve, including a valve body 10;
[0027] The valve body 10 has an A valve cavity 11 and a B valve cavity 12 formed in the upper and lower parts thereof, and a first through cavity 13 and a second through cavity 14 formed on both sides of the middle of the A valve cavity 11 and the B valve cavity 12;
[0028] The left and right sides of the A valve cavity 11 are respectively provided with a first air inlet 111 and a total water inlet 112, the first air inlet 111 and the total water inlet 112 are respectively inserted with a first inner hollow plug 20 and a second inner hollow plug 30, the interior of the second inner hollow plug 30 is inserted with a first spring 40, the interior of the A valve cavity 11 is provided with a first valve core 50, and the top of the valve body 10 is provided with a first water outlet 113 communicating with the A valve cavity 11;
[0029] The left and right sides of the B valve cavity 12 are respectively set as a through port 121 and a second air inlet 122, and the interiors of the through port 121 and the second air inlet 122 are respectively inserted with a first sealing plug 60 and a third inner hollow plug 70, and the interior of the first sealing plug 60 is inserted with a second spring 80, and the interior of the B valve cavity 12 is provided with a second valve core 90 opposite to the first valve core 50, and a second water outlet 123 communicating with the B valve cavity 12 is opened at the bottom of the valve body 10.
[0030] Based on the above structure, the action principle of the valve body 10 of the present application is briefly described below:
[0031] In the first case, when the first air inlet 111 and the second air inlet 122 are not ventilated, the main water inlet 112 and the first water outlet 113 are connected;
[0032] In the second case, when the first air inlet 111 is ventilated and the second air inlet 122 is not ventilated, the main water inlet 112 is connected to the water outlet;
[0033] In a third case, when the first air inlet 111 is blocked and the second air inlet 122 is ventilated, the first water outlet 113 and the second water outlet 123 are connected.
[0034] During the process of connecting the pipelines of the dental chair and the dental chair cleaning equipment (this part of the content is not the protected object of this application, but is only an illustrative description), the total water inlet 112 is connected to the raw water pipeline of the dental chair, which can supply water to the dental chair and the cleaning equipment; the first water outlet 113 is connected to the dental chair, which is convenient for injecting the mixed liquid and raw water when flushing the dental chair; the first air inlet 111 and the second air inlet 122 are connected to the cleaning equipment, and the air pressure is controlled by the corresponding solenoid valve (not shown in this application), and the first valve core 50 and the second valve core 90 in the AB valve are adjusted to act as a conversion interface; the second water outlet 123 is connected to the cleaning equipment, which is used to supply water to the cleaning equipment and inject the mixed liquid into the dental chair pipeline.
[0035] As a preferred embodiment, the valve body 10 of the present application is a rectangular structure, so that the appearance can be simple and neat and the practicality can be high.
[0036] refer to Figure 3As shown (the second valve core has the same structure as the first valve core and is not shown additionally in this application), the first valve core 50 and the second valve core 90 of this application both include a first piston split 51 and a second piston split 52 that are plugged into each other, and a third piston split 53 that is sleeved on the outside of the second piston split 52 near the first piston split 51. In the specific implementation process, the first piston split 51, the second piston split 52 and the third piston split 53 included in the first valve core 50 and the second valve core 90 of this application will all move synchronously to meet the needs of use, and a first annular step 114 is provided on the left side wall of the A valve chamber 11 for limiting the second piston split 52 in the first valve core 50, and a second annular step 124 is provided on the right side wall of the B valve chamber 12 for limiting the second piston split 52 in the second valve core 90.
[0037] In order to ensure the sealing of the valve body 10 and avoid air leakage or water leakage, the present application provides an annular groove 54 on the outside of the first piston split body 51, the second piston split body 52 and the third piston split body 53, and a first sealing ring 55 is sleeved in the annular groove 54, and the first inner hollow plug 20 and the second inner hollow plug 30 are sleeved with a second sealing ring 100 in the A valve chamber 11, and the first sealing plug 60 and the third inner hollow plug 70 are sleeved with a third sealing ring 110 in the B valve chamber 12.
[0038] In order to meet the assembly needs of other equipment in the later stage, the present application opens two reserved openings 125 under the valve body 10, and second sealing plugs 120 are respectively inserted into the two reserved openings 125. When other equipment needs to be connected, the second sealing plugs 120 can be removed. Generally speaking, it is more flexible to use and has higher use value.
[0039] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to 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.
[0040] The above embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable technicians familiar with the technical field to understand the content of the present invention and implement it accordingly, and they cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit of the present invention should be included in the protection scope of the present invention.
Claims
1. An AB valve, characterized in that: comprising a valve body (10); The valve body (10) is provided with an A valve chamber (11) and a B valve chamber (12) at the top and bottom, and a first through chamber (13) and a second through chamber (14) are provided on both sides of the middle of the A valve chamber (11) and the B valve chamber (12); The left and right sides of the valve cavity A (11) are respectively provided with a first air inlet (111) and a total water inlet (112); a first inner hollow plug (20) and a second inner hollow plug (30) are respectively inserted into the first air inlet (111) and the total water inlet (112); a first spring (40) is inserted into the interior of the second inner hollow plug (30); a first valve core (50) is provided inside the valve cavity A (11); and a first water outlet (113) communicating with the valve cavity A (11) is provided above the valve body (10); The left and right sides of the B valve cavity (12) are respectively provided with a through port (121) and a second air inlet (122); a first sealing plug (60) and a third inner hollow plug (70) are respectively inserted into the through port (121) and the second air inlet (122); a second spring (80) is inserted into the first sealing plug (60); a second valve core (90) opposite to the first valve core (50) is provided inside the B valve cavity (12); and a second water outlet (123) communicating with the B valve cavity (12) is provided at the bottom of the valve body (10).
2. The AB valve according to claim 1, characterized in that: The valve body (10) is a rectangular structure.
3. The AB valve according to claim 1, characterized in that: The first valve core (50) and the second valve core (90) both comprise a first piston sub-body (51) and a second piston sub-body (52) which are plugged into each other, and a third piston sub-body (53) which is sleeved outside the second piston sub-body (52) and is close to the first piston sub-body (51).
4. The AB valve according to claim 3, characterized in that: A first annular step (114) is provided on the left side wall of the A valve chamber (11) for limiting the second piston split body (52) in the first valve core (50), and a second annular step (124) is provided on the right side wall of the B valve chamber (12) for limiting the second piston split body (52) in the second valve core (90).
5. The AB valve according to claim 3, characterized in that: The first piston body (51), the second piston body (52) and the third piston body (53) are all provided with an annular groove (54) on their exteriors, and a first sealing ring (55) is sleeved in the annular groove (54).
6. The AB valve according to claim 1, characterized in that: The first inner hollow plug (20) and the second inner hollow plug (30) are sleeved with a second sealing ring (100) in the A valve chamber (11), and the first sealing plug (60) and the third inner hollow plug (70) are sleeved with a third sealing ring (110) in the B valve chamber (12).
7. The AB valve according to claim 1, characterized in that: Two reserved openings (125) are provided below the valve body (10), and second sealing plugs (120) are respectively inserted into the two reserved openings (125).