Waterproof electronic barometer and inflator pump

By adopting a combined structure of screen stand and waterproof stickers in the digital air pressure gauge, the problem of external moisture erosion is solved, achieving a longer service life and better waterproof effect.

CN223091437UActive Publication Date: 2025-07-11DONGGUAN RICHTEK ELECTRONICS CO LTD
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Patent Information

Application Number
CN202422310847.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-20
Publication Date
2025-07-11
Estimated Expiration
2034-09-20

AI Technical Summary

Technical Problem

现有数显气压表容易因外部水分侵蚀电子元件,导致使用寿命缩短。

Method used

The screen frame cover is installed on the PCB board, and a waterproof sticker is applied between the screen frame and the shell to form a good sealing structure, combined with the interference fit of the case and the snap fixing, enhance the waterproof effect.

Benefits of technology

Improves the waterproof performance of the digital air pressure gauge and extends the service life.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223091437U_ABST
    Figure CN223091437U_ABST
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Abstract

The utility model relates to a waterproof electronic barometer and an inflator pump, the waterproof electronic barometer comprises a meter shell and a display assembly, and the meter shell comprises a base and an outer shell connected with the base; the display assembly comprises a PCB, a screen frame and a waterproof sticker, the PCB is installed in the shell, the screen frame covers the PCB, the screen frame is installed at the end, away from the base, of the shell, and the waterproof sticker is attached to the screen frame and the shell. According to the waterproof electronic barometer, the screen frame covers the PCB, the screen frame is installed at the end, away from the base, of the shell, the waterproof paste covers the screen frame and the shell, and the sealing effect is good; in addition, the waterproof paste has a good waterproof effect; the waterproof electronic barometer is simple in structure, good in waterproof effect and long in service life.
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Description

Technical Field

[0001] The utility model relates to the technical field of pressure gauges, in particular to a waterproof electronic pressure gauge and an air pump. Background Art

[0002] The digital display pressure gauge is a high-precision pressure gauge integrating pressure measurement and display, with characteristics such as high display accuracy and high stability, and is deeply loved by consumers. However, the current digital display pressure gauge generally includes a housing, a display screen and buttons. The display screen is installed inside the housing, and the buttons penetrate the housing. However, moisture in the external environment easily enters the housing through the gaps between the display screen and the housing and between the buttons and the housing, thereby eroding the electronic components inside the digital display pressure gauge, thus reducing the service life of the digital display pressure gauge. Content of the Utility Model

[0003] Based on this, in view of the above problems, it is necessary to provide a waterproof electronic pressure gauge and an air pump with a long service life.

[0004] A waterproof electronic pressure gauge includes a gauge housing and a display component. The gauge housing includes a base and a housing connecting the base. The display component includes a PCB board, a screen frame and a waterproof sticker. The PCB board is installed inside the housing. The screen frame covers the PCB board. The screen frame is installed at one end of the housing away from the base. The waterproof sticker is attached to the screen frame and the housing.

[0005] In one embodiment, the screen frame includes a housing part, a support part and a limiting part. The support part and the limiting part both protrude from the housing part. The support part is inserted into the middle of the PCB board, and the limiting part is inserted into the edge of the PCB board.

[0006] In one embodiment, the periphery of the housing part is stepped, and a groove is provided inside the housing to accommodate the periphery of the housing part.

[0007] In one embodiment, the gauge housing further includes a convex block protruding from the inner side wall of the housing. The convex block is used to support the bottom of the PCB board and the limiting part.

[0008] In one embodiment, the display component further includes a plurality of lamp beads and a plurality of buttons. The lamp beads and the buttons are both electrically connected to the PCB board. The housing part is provided with a plurality of light-transmitting holes and a plurality of through holes. Each light-transmitting hole corresponds to a lamp bead, and each through hole corresponds to a button. The button penetrates the through hole.

[0009] In one embodiment, a gasket is further included. The gasket is installed inside the base. The base is provided with a slot hole. The gasket is used to seal the slot hole.

[0010] In one embodiment, it further includes a rubber plug, the rubber plug is installed on the base, and the power supply wire passes through the rubber plug.

[0011] In one embodiment, the base includes a cover body part, a hook part and a plate body part. The hook part and the plate body part are both connected to the outer side of the cover body part; the outer shell includes a surrounding plate part, a clamping block part and a guide post part. The clamping block part and the guide post part are both connected to the outer side of the surrounding plate part. The cover body part covers the surrounding plate part, the hook part is buckled on the clamping block part, and the guide post part corresponds to the plate body part.

[0012] In one embodiment, the watch case further includes a positioning block, the positioning block protrudes from the inner side wall of the outer shell, and the positioning block is used to support the bottom of the PCB board.

[0013] An inflator pump includes the above-mentioned waterproof electronic pressure gauge.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] The waterproof electronic pressure gauge of the present utility model is covered on the PCB board through a screen frame. The screen frame is installed at one end of the outer shell away from the base, and the waterproof sticker is attached to the screen frame and the outer shell, with good sealing effect; moreover, the waterproof sticker has a good waterproof effect. The waterproof electronic pressure gauge has a simple structure, good waterproof effect and long service life. Description of the Drawings

[0016] Figure 1 It is a schematic assembly structure diagram of the waterproof electronic pressure gauge shown in an embodiment of the present utility model;

[0017] Figure 2 is Figure 1 A perspective view along line A-A of the waterproof electronic pressure gauge shown;

[0018] Figure 3 is Figure 1 An exploded view of the waterproof electronic pressure gauge shown.

[0019] The meanings of the reference numerals in the drawings are as follows:

[0020] 100, waterproof electronic pressure gauge;

[0021] 10, watch case; 11, base; 111, cover body part; 1111, air hole; 1112, slot hole; 112, hook part; 113, plate body part; 12, outer shell; 121, surrounding plate part; 1211, groove; 122, clamping block part; 123, guide post part; 13, convex block; 14, positioning block;

[0022] 20. Display component; 21. PCB board; 22. Screen holder; 221. Housing part; 2211. Light-transmitting hole; 2212. Through hole; 222. Support part; 223. Limiting part; 224. Guide part; 23. Waterproof sticker; 230. Through hole; 24. Light-emitting diode; 25. Button; 30. Gasket; 40. Rubber plug; 50. Sensor. Detailed implementation manners

[0023] To make the above objects, features, and advantages of the present utility model more obvious and understandable, the following will describe in detail the specific implementation manners of the present utility model with reference to the accompanying drawings. Many specific details are set forth in the following description in order to fully understand the present utility model. However, the present utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed below.

[0024] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model.

[0025] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present utility model, "a plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0026] In the present utility model, unless otherwise clearly defined and limited, the terms "mounted", "connected", "connected to", "fixed", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0027] In the present utility model, unless otherwise clearly defined and limited, the first feature being "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may be that the first feature is directly above or obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "under", "below" and "beneath" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely indicates that the horizontal height of the first feature is less than that of the second feature.

[0028] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or there may also be an intermediate element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are only for the purpose of illustration and do not represent the only implementation manner.

[0029] Please refer to Figures 1 to 3 , for an inflator which is an embodiment of the utility model, including a waterproof electronic pressure gauge 100. The waterproof electronic pressure gauge 100 includes a case 10 and a display assembly 20. The case 10 includes a base 11 and a housing 12 connected to the base 11; the display assembly 20 includes a PCB board 21, a screen holder 22 and a waterproof sticker 23. The PCB board 21 is installed inside the housing 12, the screen holder 22 is covered on the PCB board 21, the screen holder 22 is installed at one end of the housing 12 away from the base 11, and the waterproof sticker 23 is pasted on the screen holder 22 and the housing 12. The waterproof electronic pressure gauge 100 of the present invention has a good sealing effect by covering the PCB board 21 with the screen holder 22, installing the screen holder 22 at one end of the housing 12 away from the base 11, and pasting the waterproof sticker 23 on the screen holder 22 and the housing 12. Moreover, the waterproof sticker 23 has a good waterproof effect.

[0030] As Figures 1 to 3As shown, in this embodiment, the watch case 10 includes a base 11 and a housing 12 connected to the base 11. The base 11 and the housing 12 are in interference fit to prevent water from seeping in. Optionally, the base 11 includes a cover portion 111, a hook portion 112, and a plate portion 113. The cover portion 111 is provided with a vent hole 1111 and a slot hole 1112. Both the hook portion 112 and the plate portion 113 are connected to the outer side of the cover portion 111. Further, there are two hook portions 112 and two plate portions 113, and they are staggeredly arranged. In one embodiment, the housing 12 includes a surrounding plate portion 121, a clamping block portion 122, and a guide post portion 123. Both the clamping block portion 122 and the guide post portion 123 are connected to the outer side of the surrounding plate portion 121. The cover portion 111 covers the surrounding plate portion 121. The hook portion 112 is snapped onto the clamping block portion 122, and the guide post portion 123 corresponds to the plate portion 113. During use, the cover portion 111 and the surrounding plate portion 121 are in interference fit to prevent water from seeping in. The hook portion 112 is snapped onto the clamping block portion 122, and the plate portion 113 and the guide post portion 123 are fixed by screws, thereby firmly fixing the base 11 and the housing 12. Optionally, a groove 1211 is provided on the inner side of the surrounding plate portion 121. Further, an anti-fooling position is provided on the inner side of the surrounding plate portion 121 to identify the position.

[0031] As Figure 2 and Figure 3 shown, the watch case 10 further includes a bump 13, and the bump 13 protrudes from the inner side wall of the housing 12. Optionally, there are two bumps 13, and the two bumps 13 respectively correspond to the two ends of the anti-fooling position. The watch case 10 further includes a positioning block 14, and the positioning block 14 protrudes from the inner side wall of the housing 12. Optionally, the positioning block 14 is arranged between the two bumps 13.

[0032] Please check again Figures 1 to 3, the display component 20 includes a PCB board 21, a screen holder 22 and a waterproof sticker 23. The PCB board 21 is installed inside the housing 12. The screen holder 22 covers the PCB board 21. The screen holder 22 is installed at one end of the housing 12 away from the base 11. The waterproof sticker 23 is pasted on the screen holder 22 and the housing 12 to prevent water from seeping into the watch case 10. Optionally, the waterproof sticker 23 is a transparent film with adhesive. In one embodiment, the screen holder 22 includes a housing portion 221, a support portion 222 and a limiting portion 223. Both the support portion 222 and the limiting portion 223 protrude from the housing portion 221. The support portion 222 is inserted into the middle of the PCB board 21, and the limiting portion 223 is inserted into the edge of the PCB board 21. The positioning block 14 is used to support the bottom of the PCB board 21, and the convex block 13 is used to support the bottom of the PCB board 21 and the limiting portion 223. Further, the peripheral edge of the housing portion 221 is stepped, and the groove 1211 is used to accommodate the peripheral edge of the housing portion 221. The housing portion 221 is provided with a plurality of light-transmitting holes 2211 and a plurality of through holes 2212. The waterproof sticker 23 is a light-transmitting area corresponding to the light-transmitting holes 2211. One end of the PCB board 21 and one end of the housing portion 221 are both provided with notches, and the notches correspond to the anti-fooling positions to facilitate the installation of the PCB board 21 and the screen holder 22. Both the support portion 222 and the limiting portion 223 are two. In one embodiment, the screen holder 22 further includes a guiding portion 224 protruding from the housing portion 221. The waterproof sticker 23 is provided with a through hole 230 corresponding to the guiding portion 224 to identify the position and facilitate assembly.

[0033] As Figure 2 shown in Figure 3 , the display component 20 further includes a plurality of lamp beads 24 and a plurality of buttons 25. The lamp beads 24 and the buttons 25 are both electrically connected to the PCB board 21. Each light-transmitting hole 2211 corresponds to a lamp bead 24 one by one, and each through hole 2212 corresponds to a button 25 one by one. The button 25 passes through the through hole 2212. When in use, the button 25 is pressed by pressing the waterproof sticker 23.

[0034] Please refer to Figure 2 and Figure 3 simultaneously. This waterproof electronic barometer 100 further includes a gasket 30. The gasket 30 is installed inside the base 11. The gasket 30 is used to seal the slot hole 1112 to prevent water from entering the watch case 10 through the slot hole 1112. Optionally, the gasket 30 is a gasket with adhesive. In one embodiment, this waterproof electronic barometer 100 further includes a rubber plug 40. The rubber plug 40 is installed on the base 11. The rubber plug 40 is for the wire to pass through to prevent water from entering the watch case 10. In one embodiment, this waterproof electronic barometer 100 further includes a sensor 50. The sensor 50 is installed on the cover body portion 111. The sensor 50 is arranged corresponding to the air hole 1111.

[0035] During use, place the PCB board 21 on the bumps 13 and the positioning blocks 14, and then install the screen holder 22 inside the housing 12. At this time, the supporting part 222 is inserted into the PCB board 21, the limiting part 223 passes through the PCB board 21 and abuts against the bump 13, and the peripheral edge of the housing part 221 is received in the groove 1211. Then, attach the waterproof sticker 23 to the housing part 221 and the surrounding plate part 121. At this time, the guiding part 224 passes through the through hole 230. Then, attach the gasket 30 to the cover part 111, install the sensor 50 and the rubber plug 40 on the cover part 111, and pass the wire through the rubber plug 40. Finally, cover the cover part 111 on the surrounding plate part 121, hook the hook part 112 to the latch part 122, and fix the base body part 113 and the guide post part 123 with screws, thereby fixing the base 11 and the housing 12; the pressure value is displayed by the light emission of the lamp bead 24, and parameters are set by pressing the button 25, which is convenient to use.

[0036] The waterproof electronic barometer 100 of the present utility model is covered on the PCB board 21 by the screen holder 22. The screen holder 22 is installed at one end of the housing 12 away from the base 11, and the waterproof sticker 23 is attached to the screen holder 22 and the housing 12, with good sealing effect; moreover, the waterproof sticker 23 has a good waterproof effect; the waterproof electronic barometer 100 of the present utility model has a simple structure, good waterproof effect and long service life.

[0037] The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope described in this specification.

[0038] The above-described embodiments only represent several implementation manners of the present utility model, and the description is relatively specific and detailed, but it should not be construed as a limitation on the scope of the utility model patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several modifications and improvements can still be made, and these all belong to the protection scope of the present utility model. Therefore, the protection scope of the utility model patent shall be subject to the appended claims.

Claims

1. A waterproof electronic barometer, characterized in that, It includes a watch case and a display component. The watch case includes a base and a housing connecting the base. The display component includes a PCB board, a screen holder and a waterproof sticker. The PCB board is installed inside the housing. The screen holder covers the PCB board. The screen holder is installed at one end of the housing away from the base. The waterproof sticker is pasted on the screen holder and the housing.

2. The waterproof electronic barometer according to claim 1, characterized in that, The screen holder includes a housing part, a support part and a limiting part. The support part and the limiting part both protrude from the housing part. The support part is inserted into the middle of the PCB board. The limiting part is inserted into the edge of the PCB board.

3. The waterproof electronic barometer according to claim 2, characterized in that, The periphery of the housing part is stepped. A groove is provided inside the housing to accommodate the periphery of the housing part.

4. The waterproof electronic barometer according to claim 2, characterized in that, The watch case further includes a bump protruding from the inner side wall of the housing. The bump is used to support the bottom of the PCB board and the limiting part.

5. The waterproof electronic barometer according to claim 2, characterized in that, The display component further includes a plurality of lamp beads and a plurality of buttons. The lamp beads and the buttons are both electrically connected to the PCB board. The housing part is provided with a plurality of light-transmitting holes and a plurality of through holes. Each light-transmitting hole corresponds to a lamp bead one by one. Each through hole corresponds to a button one by one. The button passes through the through hole.

6. The waterproof electronic barometer according to claim 1, characterized in that, It further includes a gasket installed inside the base. The base is provided with a slot hole. The gasket is used to seal the slot hole.

7. The waterproof electronic barometer according to claim 1, characterized in that, It further includes a rubber plug installed on the base. The rubber plug is for a wire to pass through.

8. The waterproof electronic barometer according to claim 1, wherein The base includes a cover part, a hook part and a plate part. The hook part and the plate part are both connected to the outside of the cover part. The housing includes a surrounding plate part, a clamping block part and a guide post part. The clamping block part and the guide post part are both connected to the outside of the surrounding plate part. The cover part covers the surrounding plate part. The hook part is buckled on the clamping block part. The guide post part corresponds to the plate part.

9. The waterproof electronic barometer according to claim 1, characterized in that, The watch case further includes a positioning block protruding from the inner side wall of the housing. The positioning block is used to support the bottom of the PCB board.

10. An air pump, characterized in that, It includes the waterproof electronic barometer according to any one of claims 1-9.