Pressure relief structure of hydrogen-rich water cup

Abstract

The utility model discloses a hydrogen-rich water cup pressure relief structure which comprises a sealing cover installed on the lower end face of a cup cover, an opening of the sealing cover faces upwards and is connected with the lower end face of the cup cover, a through hole is formed in the bottom of the sealing cover, a pressure relief pipeline corresponding to the through hole is arranged in the middle of the sealing cover, and a supporting sleeve is fixed to the upper end of the pressure relief pipeline. An ejector rod is arranged in the supporting sleeve in a penetrating mode, a circle of first flange is arranged on the ejector rod below the supporting sleeve, a spring is arranged in the pressure relief pipeline, a mounting hole is formed in the middle of the cup cover, and a pressure relief button is arranged in the mounting hole. The spring always forces the ejector rod to eject upwards, the first flange seals the supporting sleeve, and the ejector rod forces the pressure relief button to seal the mounting hole all the time; when the pressure relief button is pressed by external force, an upper air leakage channel is formed between the pressure relief button and the mounting hole, the ejector rod is forced to move downwards, and the first flange and the lower end face of the supporting sleeve form a lower air leakage channel. The air leakage part is changed, water vapor at the opening part of the cup cover can be reduced, and the opening part of the cup cover is relatively dry.

Description

TECHNICAL FIELD

[0001] The utility model relates to water cup pressure relief field especially relates to a kind of hydrogen-rich water cup pressure relief structure. BACKGROUND

[0002] Hydrogen-rich water cup, hydrogen and oxygen in water are separated out by electrolytic technology, so that the hydrogen concentration in water is increased, thereby achieving the effect of hydrogen enrichment. For example, in a 2022.01.04 authorized announcement, the authorized announcement number is CN215403264U, a kind of hydrogen-rich water cup is disclosed, including top pressure relief mechanism, the top pressure relief mechanism in the top of cup body top end is provided with pressure spring and ejector pin, the pressure generated by the gas increase in cup body is discharged, however the discharged gas and entrained water vapor are discharged from the periphery of cup cover, the opening mode of cup cover is: user rotates cup cover periphery, once there is water vapor in the periphery of cup cover, then make the opening part have water vapor, which will wet the hand of user. SUMMARY

[0003] To overcome the above-mentioned shortcomings, the purpose of the utility model is to change the air release part and reduce the water vapor in the opening part of the cup cover.

[0004] In order to achieve the above purpose, one of the technical solutions adopted by the utility model is: a hydrogen-rich water cup pressure relief structure, comprising a lower end face sealing cover installed on the cup cover, the opening of the sealing cover faces upward and is connected with the lower end face of the cup cover, the bottom of the sealing cover has a through hole, the middle part of the sealing cover is provided with a pressure relief pipeline corresponding to the through hole, the upper end of the pressure relief pipeline is fixed with a support sleeve, a top rod is arranged in the support sleeve, a first flange is arranged on the top rod below the support sleeve, a spring is arranged in the pressure relief pipeline, a mounting hole is arranged in the middle part of the cup cover, and a pressure relief button is arranged in the mounting hole; the spring always forces the top rod to move upward, the first flange closes the support sleeve, and the top rod forces the pressure relief button to always close the mounting hole; when an external force presses the pressure relief button, an upper gap is formed between the pressure relief button and the mounting hole, which constitutes an upper air release channel communicating with the cavity of the sealing cover, the top rod is forced to move downward, and a lower gap is formed between the first flange and the lower end face of the support sleeve, which constitutes a lower air release channel communicating with the cavity of the sealing cover.

[0005] The hydrogen-rich water cup pressure relief structure has the following advantages: the pressure relief button drives the top rod to move downward, forming an upper air release channel and a lower air release channel, which realizes the pressure relief of the water cup. After pressure relief, the spring is reset to close the upper air release channel and the lower air release channel. The structure is simple. Since the pressure relief button is located in the middle part of the cup cover, compared with air release around the cup cover, the circumference of the cup cover will not produce water vapor after pressure relief, reducing discomfort and being relatively dry, which is easy to open the cup cover.

[0006] Preferably, the lower end surface of the support sleeve is provided with a frustum-shaped cavity, the first flange of the ejector rod and the part below the first flange are located in the frustum-shaped cavity, and the distance between the side wall of the first flange and the inner side wall of the frustum-shaped cavity decreases from bottom to top. The ejector rod is easy to assemble, and the width of the lower air release channel is increased as much as possible.

[0007] Preferably, the lower edge of the pressure relief button is provided with a second flange, the outer diameter of the second flange is greater than the diameter of the mounting hole, the second flange is limited below the mounting hole, and a gap is always left between the inner side wall of the second flange and the outer side wall of the support sleeve and between the upper end surface of the second flange and the lower end surface of the pressure relief button. The second flange can realize that the pressure relief button can only move downward and cannot be pushed upward, and the structure is simple.

[0008] Preferably, a first sealing element is arranged between the first flange and the support sleeve, and a second sealing element is arranged between the support sleeve and the top of the pressure relief pipeline. The first sealing element and the second sealing element can be rubber rings.

[0009] Preferably, a lower spring support seat with a vent hole is mounted at the bottom of the pressure relief pipeline, the lower end of the spring is mounted on the lower spring support seat, and a waterproof and breathable membrane is arranged between the lower spring support seat and the through hole. Reduce water penetration, the waterproof and breathable membrane is a commonly known technology, such as a Gore-Tex waterproof membrane made of ePTFE expanded polytetrafluoroethylene.

[0010] Preferably, the lower end surface of the cup cover is provided with a plurality of elastic buckles, the outer circumference of the sealing cover is provided with a plurality of buckle grooves, and the plurality of elastic buckles can be buckled in the corresponding buckle grooves. The cup cover and the sealing cover can be quickly connected.

[0011] Preferably, the cup cover includes a top cover and a ring of side covers, the top cover and the side covers are detachably connected, the sealing cover is mounted on the top cover, and the inner side wall of the side cover is provided with an internal thread. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a perspective view of the first angle of the embodiment;

[0013] Figure 2 It is a perspective view of the second angle of the embodiment;

[0014] Figure 3 It is a top view of the embodiment;

[0015] Figure 4 It is a sectional view of the embodiment when not releasing pressure;

[0016] Figure 5 It is a sectional view of the embodiment when releasing pressure;

[0017] Figure 6is an exploded view of the present embodiment;

[0018] Figure 7 is an exploded view of the present embodiment sealing cover;

[0019] Figure 8 is an exploded view of the present embodiment cup cover.

[0020] in the figure:

[0021] 1, cup cover; 1a, top cover; 1b, side cover; 2, sealing cover; 3, through hole; 4, pressure relief pipeline; 5, support sleeve; 6, ejector rod; 7, spring; 8, mounting hole; 9, pressure relief button; 10, frustum type cavity; 11, first flange; 12, second flange; 13, first sealing element; 14, second sealing element; 15, lower spring support seat; 16, internal thread; 17, elastic buckle; 18, buckle groove; 19, waterproof air permeable film; S1, upper gap; S2, lower gap; S3, gap. DETAILED DESCRIPTION

[0022] The preferred embodiments of the present application are described in detail below with reference to the accompanying drawings, so that the advantages and features of the present application can be more easily understood by those skilled in the art, and the scope of protection of the present application is more clearly defined.

[0023] Referring to Figure 1 As shown in the figure, the present embodiment discloses a hydrogen-rich water cup pressure relief structure, which comprises a sealing cover 2 mounted at the lower end surface of a cup cover 1. The opening of the sealing cover 2 faces upwards and is connected to the lower end surface of the cup cover 1. The lower end surface of the cup cover 1 is provided with a plurality of elastic buckles 17. The outer circumference of the sealing cover 2 is provided with a plurality of buckle grooves 18. The plurality of elastic buckles 17 can be buckled in the corresponding buckle grooves 18 respectively. The bottom of the sealing cover 2 has a through hole 3. The middle part of the sealing cover 2 is provided with a pressure relief pipeline 4 corresponding to the through hole 3. The upper end of the pressure relief pipeline 4 is fixed with a support sleeve 5. A second sealing element 14 (such as a rubber ring) is arranged between the support sleeve 5 and the top of the pressure relief pipeline 4. An ejector rod 6 is arranged in the support sleeve 5. A first flange 11 is arranged on the ejector rod 6 below the support sleeve 5. A spring 7 is arranged in the pressure relief pipeline 4. A mounting hole 8 is arranged in the middle part of the cup cover 1. A pressure relief button 9 is arranged in the mounting hole 8. The spring 7 always forces the ejector rod 6 upwards. The first flange 11 closes the support sleeve 5. A first sealing element 13 (such as a rubber ring) is arranged between the first flange 11 and the support sleeve 5. The ejector rod 6 forces the pressure relief button 9 to always close the mounting hole 8. When an external force presses down the pressure relief button 9, an upper gap S1 is formed between the pressure relief button 9 and the mounting hole 8, which constitutes an upper air release channel communicating with the cavity S4 of the sealing cover 2. The ejector rod 6 is forced to move downwards. The first flange 11 and the lower end surface of the support sleeve 5 form a lower gap S2, which constitutes a lower air release channel communicating with the cavity S4 of the sealing cover 2.

[0024] The lower end surface of the supporting sleeve 5 is provided with a conical cavity 10, the first flange 11 and the part below the first flange 11 of the top rod 6 are located in the conical cavity 10, and the distance between the side wall of the first flange 11 and the inner side wall of the conical cavity 10 decreases from bottom to top.

[0025] The lower edge of the pressure relief button 9 is provided with a second flange 12, the outer diameter of the second flange 12 is greater than the diameter of the mounting hole 8, the second flange 12 is limited below the mounting hole 8, and a gap S3 is always left between the inner side wall of the second flange 12 and the outer side wall of the supporting sleeve 5 and between the upper end surface of the second flange 12 and the lower end surface of the pressure relief button 9.

[0026] The bottom of the pressure relief pipeline 4 is provided with a lower spring supporting seat 15 with a vent hole, the lower end of the spring 7 is mounted on the lower spring supporting seat 15, and a waterproof air permeable film 19 is arranged between the lower spring supporting seat 15 and the through hole 3.

[0027] The cup cover 1 in the embodiment includes a top cover 1a and a ring of side covers 1b, the top cover 1a and the side covers 1b are detachably connected, the sealing cover 2 is mounted on the top cover 1a, and the inner side wall of the side cover 1b is provided with an internal thread 16. In some embodiments, the cup cover 1 can also be of an integrated structure.

[0028] The working principle of the embodiment is that after the cup cover 1 is screwed on the cup body of the hydrogen-rich water cup, when the hydrogen-rich water cup generates enough hydrogen, the gas pressure in the cup body is too large, which tightens the cup cover 1 and causes it to be unable to be opened, at this time, the user presses downward the pressure relief button 9, an upper gap S1 is formed between the pressure relief button 9 and the mounting hole 8, the downward movement of the pressure relief button 9 forces the top rod 6 to also move downward, the first flange 11 on the top rod 6 also moves downward to form a lower gap S2 with the lower end surface of the supporting sleeve 5, at this time, an upper gas discharge channel and a lower gas discharge channel that communicate with the cavity S4 of the sealing cover 2 are formed, the gas in the cup body is discharged from the through hole 3 to the lower gas discharge channel and the cavity S4 and finally discharged from the upper gas discharge channel, then the pressure relief button 9 is loosened, the spring 7 is reset, the elastic force of the spring 7 forces the top rod 6 to move upward, the first flange 11 closes the middle through hole of the supporting sleeve 5, and the pressure relief button 9 always closes the mounting hole 8, at this time, the cup cover 1 can be easily unscrewed.

[0029] The above embodiments are only for illustrating the technical concept and characteristics of the utility model, the purpose is to let the person skilled in the art understand the content of the utility model and implement it, and cannot limit the protection scope of the utility model, any equivalent change or modification according to the spirit and essence of the utility model should be covered in the protection scope of the utility model.

Claims

1. A pressure relief structure for a hydrogen-rich water cup, characterized in that: The cup lid (1) includes a sealing cap (2) installed on the lower end face of the cup lid (1). The opening of the sealing cap (2) faces upward and is connected to the lower end face of the cup lid (1). The bottom of the sealing cap (2) has a through hole (3). The middle part of the sealing cap (2) is provided with a pressure relief pipe (4) corresponding to the through hole (3). The upper end of the pressure relief pipe (4) is fixed with a support sleeve (5). A top rod (6) is inserted inside the support sleeve (5). A first flange (11) is provided on the top rod (6) below the support sleeve (5). A spring (7) is provided inside the pressure relief pipe (4). The middle part of the cup lid (1) is provided with a mounting hole (8). A pressure relief button (9) is provided inside the mounting hole (8). The spring (7) always forces the push rod (6) to push upward, the first flange (11) closes the support sleeve (5), and the push rod (6) forces the pressure relief button (9) to always close the mounting hole (8); When the pressure relief button (9) is pressed by an external force, an upper gap (S1) is formed between the pressure relief button (9) and the mounting hole (8), forming an upper venting channel that communicates with the cavity (S4) of the sealing cover (2). The push rod (6) is forced to move down, and a lower gap (S2) is formed between the first flange (11) and the lower end face of the support sleeve (5), forming a lower venting channel that communicates with the cavity (S4) of the sealing cover (2).

2. The hydrogen-rich water cup pressure relief structure according to claim 1, characterized in that: The lower end face of the support sleeve (5) is provided with a frustum-shaped cavity (10). The first flange (11) of the top rod (6) and the part below the first flange (11) are located in the frustum-shaped cavity (10). The distance between the side wall of the first flange (11) and the inner side wall of the frustum-shaped cavity (10) decreases from bottom to top.

3. The hydrogen-rich water cup pressure relief structure according to claim 1, characterized in that: The pressure relief button (9) has a second flange (12) around its lower edge. The outer diameter of the second flange (12) is larger than the diameter of the mounting hole (8). The second flange (12) is positioned below the mounting hole (8). There is always a gap (S3) between the inner wall of the second flange (12) and the outer wall of the support sleeve (5), and between the upper end face of the second flange (12) and the lower end face of the pressure relief button (9).

4. The hydrogen-rich water cup pressure relief structure according to claim 1, characterized in that: A first sealing element (13) is provided between the first flange (11) and the support sleeve (5); A second seal (14) is provided between the support sleeve (5) and the top of the pressure relief pipe (4).

5. The hydrogen-rich water cup pressure relief structure according to claim 1, characterized in that: The bottom of the pressure relief pipe (4) is equipped with a lower spring support seat (15) with a vent hole. The lower end of the spring (7) is installed on the lower spring support seat (15). A breathable and waterproof membrane (19) is provided between the lower spring support seat (15) and the through hole (3).

6. The hydrogen-rich water cup pressure relief structure according to claim 1, characterized in that: The lower end face of the cup lid (1) is provided with a plurality of elastic buckles (17), and the outer circumference of the sealing cover (2) is provided with a plurality of buckle grooves (18), and the plurality of elastic buckles (17) can be fastened into their respective buckle grooves (18).

7. The hydrogen-rich water cup pressure relief structure according to claim 1, characterized in that: The cup lid (1) includes a top cover (1a) and a side cover (1b), the top cover (1a) and the side cover (1b) are detachably connected, the sealing cover (2) is installed on the top cover (1a), and the inner wall of the side cover (1b) is provided with an internal thread (16).

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