CN220566226U - Check valve and have its tooth-rinsing device pump - Google Patents

Abstract

The utility model relates to a one-way valve, which comprises a valve rod, a valve core connected with the valve rod and an elastic piece arranged on the valve rod, wherein an anti-adsorption structure is arranged on the surface of the valve core, and the valve core and the valve rod are made of rubber. The utility model thoroughly solves the problem of poor pump body caused by poor sealing at the check valve, and effectively avoids the adsorption phenomenon of the long-term contact of the check valve of the rubber product and the plastic material of the pump body.

Description

Check valve and have its tooth-rinsing device pump

Technical Field

The utility model relates to the field of tooth flushers, in particular to a one-way valve and a tooth flusher pump with the same.

Background

The tooth-washing device is used as a novel oral cavity cleaning device, has very wide application, and is a necessary sanitary article for a plurality of families in Europe and the United states. Currently, the tooth-washing device has entered China, and many people have gradually liked the comfortable and effective tooth-oral cleaning health care product. The efficacy of the composition on periodontal health care, gingivitis treatment, deformity correction and crown restoration is proved in various tests. In developed countries, tooth irrigators have been marketed as early as forty years ago, becoming a requisite commodity for people's families.

The tooth-flushing device can generate superfine high-pressure pulse water column by pressurizing water through the pump body, and can flush any part of the oral cavity without any obstacle through the nozzle, including tooth gaps and deep gums which are not easy to be reached by toothbrushes, dental floss and toothpicks. Can effectively clean dental plaque on the surface of teeth, keep the oral cavity clean and make people feel fresh. Clean tongue fur and remove bad breath. Food residues and harmful bacteria trapped in tooth gaps which cannot be reached by the toothbrush and the dental floss are removed strongly, and dental caries, gingivitis, dental calculus and periodontitis are effectively prevented. Massaging and stimulating gum, improving blood circulation, relieving toothache, and inhibiting gingival bleeding.

As shown in FIG. 1, most of the common check valves in the market are made of plastic materials, so that poor sealing effect is easy to occur when the valve body made of plastic materials is used as a product, and adverse phenomena such as no water absorption of the pump body are easy to occur after the valve body is used for a period of time.

As shown in FIG. 2, the check valve is sealed by adopting a mode of selecting a valve rod to be made of a plastic material and adding a sealing ring, and the mode can solve the problem of poor sealing of the check valve of the pump body, but the check valve is troublesome to manufacture, so that the cost is increased, and meanwhile, when the sealing ring is aged, the pump fails and cannot work. As shown in FIG. 3, the unidirectional membrane is made of plastics such as Teflon or cloth, and after the unidirectional membrane is used for a period of time, the membrane is subjected to plastic deformation due to the characteristics of the materials, so that the sealing of the pump body is invalid and water cannot be absorbed.

Disclosure of Invention

The utility model aims at solving the problems and provides a one-way valve and a tooth washer pump with the same.

The technical scheme adopted for solving the technical problems is as follows: the one-way valve comprises a valve rod, a valve core connected with the valve rod and an elastic piece arranged on the valve rod, wherein an anti-adsorption structure is arranged on the surface of the valve core, and the valve core and the valve rod are made of rubber.

More specifically, the material hardness of the one-way valve is 80 degrees.

More specifically, the material hardness of the one-way valve is 90 degrees.

Further specifically, the anti-adsorption structure is stripes uniformly distributed on the surface of the valve core.

Further specifically, the anti-adsorption structure is through holes uniformly distributed on the surface of the valve core.

Further specifically, the through hole is circular.

Further specifically, the valve core and the valve rod are integrally formed.

Further specifically, the elastic element is a spring.

The utility model provides a tooth-flushing device pump, includes the cylinder body, sets up first chamber that holds in the cylinder body, holds the chamber with the second that first holds the chamber intercommunication, holds the intracavity motion piston, with piston complex pull rod in first holding the intracavity, sets up at first water inlet that holds the intracavity, sets up the delivery port in the second holds the intracavity, water inlet and delivery port are provided with the check valve.

More specifically, the water inlet and the water outlet are provided with connectors.

The beneficial effects of the utility model are as follows: after adopting above-mentioned structure, thoroughly solve the bad problem of pump body because the check valve department seals poorly and causes, effectively avoided the adsorption phenomenon that the check valve of rubber goods and the pump body plastic material take place in contact for a long time moreover.

Drawings

FIG. 1 is a schematic diagram of a conventional check valve;

FIG. 2 is a schematic diagram of a conventional check valve;

FIG. 3 is a schematic diagram of a conventional unidirectional diaphragm structure;

FIG. 4 is a schematic view of the pump of the dental irrigator of the present utility model;

FIG. 5 is an enlarged view of a portion of the pump of the dental irrigator of the present utility model;

fig. 6 is a schematic view of the structure of the check valve of the present utility model.

In the figure: 1. a cylinder; 2. a first accommodation chamber; 3. a second accommodation chamber; 4. a piston; 5. a pull rod; 6. a water inlet; 7. a water outlet; 81. a valve stem; 82. a valve core; 83. an elastic member; 84. an anti-adsorption structure.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model become more apparent, the technical solutions in the embodiments of the present utility model will be described in more detail below with reference to the accompanying drawings in the embodiments of the present utility model. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some, but not all, embodiments of the utility model. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present utility model.

As shown in fig. 4-6, the check valve comprises a valve rod 81, a valve core 82 connected with the valve rod 81 and an elastic piece 83 arranged on the valve rod 81, wherein an anti-adsorption structure 84 is arranged on the surface of the valve core 82, and the valve core 82 and the valve rod 81 are made of rubber.

In order to ensure the hardness and sealing performance of the one-way valve, the hardness of the one-way valve is 80 degrees or 90 degrees, and the effect is optimal.

The anti-adsorption structure 84 can effectively avoid the adsorption phenomenon that the check valve of the rubber product contacts with the plastic material of the pump body for a long time, and the anti-adsorption structure 84 is in a hollow design and can have various different shapes, such as stripes uniformly distributed on the surface of the valve core 82, through holes uniformly distributed on the surface of the valve core 82, and the like. The shape of the through hole is not limited, and the through hole is round, square, triangular and the like.

To ensure the sealing performance of the check valve, the valve core 82 and the valve stem 81 are integrally formed.

As a preferable material of the present embodiment, the elastic member 83 is a spring.

The utility model provides a tooth-flushing device pump, includes cylinder body 1, sets up first chamber 2 that holds in cylinder body 1, holds chamber 3 with the second that holds chamber 2 intercommunication, holds the piston 4 of intracavity motion in first chamber 2, with piston 4 complex pull rod 5, set up in first chamber 2 water inlet 6, the delivery port 7 of setting in second holds chamber 3, water inlet 6 and delivery port 7 are provided with the check valve.

The water inlet 6 and the water outlet 7 are provided with connectors for communicating the tooth-flushing pump with the outside.

Working principle: when the piston 4 and the connecting rod 5 move downwards, the pump body is in a water absorption state, the one-way valve in the water inlet 6 joint is opened, the one-way valve at the water outlet 7 joint is closed, and the water outlet 7 is required to be completely sealed at the moment, so that the pump body can be filled with water; when the piston 4 and the connecting rod 5 move upwards, the pump body is in a water outlet state, the one-way valve in the water inlet 6 connector is closed, the one-way valve in the water outlet 7 connector is opened, and the water inlet 6 is required to be completely closed at the moment, so that the pump body can discharge water.

After the structure is adopted, the problem of poor pump body caused by poor sealing at the check valve is thoroughly solved, and the adsorption phenomenon of long-term contact of the check valve of the rubber product and the plastic material of the pump body is effectively avoided.

The present application has been described in connection with only the most practical and preferred embodiments presently considered to be the most practical and preferred embodiments, it is to be understood that the foregoing description is not intended to limit the present application to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, alternatives, and equivalents falling within the spirit and scope of the present application.

Claims (10)

1. The utility model provides a check valve, includes valve rod (81), case (82) be connected with valve rod (81), sets up elastic component (83) on valve rod (81), its characterized in that, case (82) surface is provided with prevents adsorption structure (84), the material of case (82), valve rod (81) is rubber.

2. The one-way valve of claim 1, wherein the one-way valve has a material hardness of 80 degrees.

3. The one-way valve of claim 1, wherein the one-way valve has a material hardness of 90 degrees.

4. The one-way valve of claim 1, wherein the anti-adsorption structure (84) is a stripe uniformly distributed on the surface of the valve element.

5. The one-way valve of claim 1, wherein the anti-adsorption structure (84) is through holes uniformly distributed on the surface of the valve element.

6. The one-way valve of claim 5, wherein the through hole is circular.

7. The check valve according to claim 1, characterized in that the valve core (82) and the valve stem (81) are integrally formed.

8. A non-return valve according to claim 1, wherein the resilient member (83) is a spring.

9. A tooth-rinsing pump, comprising a cylinder body (1), a first accommodating cavity (2) arranged in the cylinder body (1), a second accommodating cavity (3) communicated with the first accommodating cavity (2), a piston (4) moving in the first accommodating cavity (2), a pull rod (5) matched with the piston (4), a water inlet (6) arranged in the first accommodating cavity (2) and a water outlet (7) arranged in the second accommodating cavity (3), wherein the water inlet (6) and the water outlet (7) are provided with the one-way valve according to any one of claims 1-8.

10. The pump of claim 9, wherein the water inlet (6) and the water outlet (7) are provided with connectors.