Waterproof digital display alarm instrument

Abstract

The utility model relates to the field of digital display instruments, and discloses a waterproof digital display alarm instrument which comprises a shell, an inner cavity is formed in the side surface of the shell, an inner cover is connected to the inner side wall of the inner cavity in a clamped mode, first sealing rubber is fixedly connected to the side surface of the inner cover, and an outer cover is connected to the inner side wall of the inner cavity in a clamped mode. The side surface of the outer cover is tightly attached to the side surface of the first sealing rubber, second sealing rubber is fixedly connected to the outer surface of the outer cover, strip-shaped clamping grooves are formed in the upper surface and the lower surface of the inner cover correspondingly, and clamping strips are integrally formed on the inner top face and the inner bottom face of the inner cavity correspondingly. The two clamping strips can be clamped to the inner walls of the two strip-shaped clamping grooves. According to the invention, elements in the shell can be subjected to double sealing, moisture in the external environment is effectively prevented from permeating, the waterproof effect is remarkable, the device is prevented from being damaged, and the service life of the device is prolonged.

Description

Technical Field

[0001] The present application relates to the field of digital display instruments, and in particular to a waterproof digital display alarm instrument. Background Art

[0002] Digital display is used in conjunction with various sensors and transmitters. It can measure, display, alarm, output, collect data and communicate industrial process parameters such as temperature, pressure, liquid level, flow, weight, etc.

[0003] With the development of science and technology, digital display alarms are increasingly used in various fields. However, existing digital display alarms have obvious deficiencies in waterproof performance. Most alarms are easily damaged in humid or rainy environments, resulting in inaccurate display or complete failure. This not only affects the normal use of the device, reduces the service life of the device, but also increases maintenance costs.

[0004] In view of the above-mentioned related technologies, the inventor believes that the digital display alarm has the defect of being easily affected by moisture;

[0005] The above information disclosed in the background technology is only used to increase the understanding of the background technology of the present application, and therefore, it may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content

[0006] In order to solve the problem that digital display alarm instruments are easily affected by moisture, the present application provides a waterproof digital display alarm instrument.

[0007] The waterproof digital display alarm device provided in this application adopts the following technical solution:

[0008] A waterproof digital display alarm comprises a shell, a side surface of the shell is provided with an inner cavity, the inner side wall of the inner cavity is snap-connected with an inner cover, the side surface of the inner cover is fixedly connected with a first sealing rubber, the inner side wall of the inner cavity is snap-connected with an outer cover, and the side surface of the outer cover is tightly attached to the side surface of the first sealing rubber, and the outer surface of the outer cover is fixedly connected with a second sealing rubber.

[0009] Preferably, the upper surface and the lower surface of the inner cover are both provided with strip-shaped card slots, the inner top surface and the inner bottom surface of the inner cavity are both integrally formed with card strips, and the two card strips can be engaged with the inner walls of the two strip-shaped card slots.

[0010] Preferably, two square card slots are provided on the side surface of the shell, and card blocks are fixedly connected to the upper surface and the lower surface of the outer cover, and the two card blocks can be engaged with the inner walls of the two square card slots.

[0011] Preferably, an embedding groove is formed through the upper side and the lower side of the second sealing rubber, and a plurality of inner side walls of the embedding groove are in close contact with a plurality of side surfaces of the block.

[0012] Preferably, a groove is provided on the side surface of the card block, a limiting groove is provided on the inner wall of the square card groove, the inner wall of the limiting groove is elastically slidably connected to the limiting block through a spring, and the limiting block can be engaged with the inner wall of the groove.

[0013] In summary, this application includes the following beneficial technical effects:

[0014] By setting an inner cover, a first sealing rubber, an outer cover, and a second sealing rubber for use together, the internal components of the shell are doubly sealed, effectively blocking the infiltration of moisture from the external environment, avoiding damage to the device, and delaying the service life of the device; compared with the existing technology, it has a significant waterproof effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a front view of an embodiment of the application;

[0016] Figure 2 is a back view of an application embodiment;

[0017] Figure 3 This is the disassembled structure diagram of the waterproof part of the back cover;

[0018] Figure 4 is a cross-sectional view of an embodiment of the application;

[0019] Figure 5 yes Figure 2 Enlarged schematic diagram of point A.

[0020] Explanation of the reference numerals: 1. Shell; 2. Inner cavity; 3. Inner cover; 4. First sealing rubber; 5. Outer cover; 6. Second sealing rubber; 7. Bar-shaped slot; 8. Card strip; 9. Square card slot; 10. Card block; 11. Fitting groove; 12. Groove; 13. Limiting groove; 14. Limiting block. DETAILED DESCRIPTION

[0021] The following is combined with Figure 1-5 This application is described in further detail.

[0022] The present application embodiment discloses a waterproof digital display alarm. Figure 1 , Figure 3 , Figure 4A waterproof digital display alarm device comprises a rectangular hollow shell 1, and an inner cavity 2 is opened on the side surface of the shell 1 so that circuit elements and the like can be loaded in the inner cavity 2. A stepped plate-shaped inner cover 3 is snap-connected to the inner side wall of the inner cavity 2, and a box-shaped first sealing rubber 4 is fixedly connected to the side surface of the inner cover 3, so that the inner cover 3 can provide preliminary protection for the internal elements of the shell 1, and the first sealing rubber 4 can block the external water seepage from entering, thereby delaying the service life of the device. Secondly, a plate-shaped outer cover 5 is snap-connected to the inner side wall of the inner cavity 2, and the side surface of the outer cover 5 is tightly attached to the side surface of the first sealing rubber 4, and a framed second sealing rubber 6 is fixedly connected to the outer surface of the outer cover 5, and the internal elements of the shell 1 are secondarily protected by the outer cover 5 to avoid damage to the device, and the second sealing rubber 6 is used for secondary waterproofing, thereby improving the sealing of the device, improving its waterproof performance, avoiding damage to the internal elements when used in a humid environment, and improving the quality of the device.

[0023] Reference Figure 3 , a strip-shaped card slot 7 is provided on the upper surface and the lower surface of the inner cover 3, and an arc-shaped card strip 8 is integrally formed on the inner top surface and the inner bottom surface of the inner cavity 2, and the two card strips 8 can be engaged with the inner walls of the two strip-shaped card slots 7, so as to engage and limit the inner cover 3, thereby realizing the stable installation of the inner cover 3;

[0024] Secondly, two groove-shaped square card slots 9 are provided on the side surface of the shell 1, and rectangular card blocks 10 are fixedly connected to the upper surface and the lower surface of the outer cover 5. The two card blocks 10 can be engaged with the inner walls of the two square card slots 9, so that the outer cover 5 can be stably installed by engaging the card blocks 10 with the inner walls of the square card slots 9, so as to protect the internal components of the shell 1, and square groove-shaped embedding grooves 11 are penetrated on the upper and lower sides of the second sealing rubber 6, and several inner side walls of the embedding grooves 11 are closely attached to several side surfaces of the card blocks 10, so that the second sealing rubber 6 protects the gap between the card blocks 10 and the square card slots 9 to prevent water from seeping in from here, thereby improving the service life of the device.

[0025] Reference Figure 2 and Figure 5 An arc-shaped groove 12 is provided on the side surface of the card block 10, and a groove-shaped limiting groove 13 is provided on the inner wall of the square card slot 9. The inner wall of the limiting groove 13 is elastically and slidably connected with a block-shaped limiting block 14 through a spring, and the limiting block 14 can be engaged with the inner wall of the groove 12, so that the card block 10 can be stably fixed to the inner wall of the square card slot 9, thereby stably fixing the outer cover 5.

[0026] The implementation principle of a waterproof digital display alarm device in the embodiment of the present application is as follows: the inner cover 3 is slid into the interior of the inner cavity 2, so that the two card strips 8 are engaged with the inner walls of the two bar-shaped card slots 7, so as to engage and limit the inner cover 3, thereby providing preliminary protection for the internal components of the shell 1 through the inner cover 3, and then the card block 10 is engaged with the inner wall of the square card slot 9, and the limit block 14 is engaged with the inner wall of the groove 12, so that the card block 10 is stably fixed to the inner wall of the square card slot 9, thereby stably fixing the outer cover 5, and protecting the gap between the card block 10 and the square card slot 9 through the second sealing rubber 6 to prevent water from seeping in from here, and preliminarily sealing the device through the setting of the second sealing rubber 6, and then performing secondary sealing on the device through the first sealing rubber 4, thereby improving the sealing of the device, improving its waterproof performance, and avoiding damage to internal components due to moisture when used in a humid environment, thereby delaying the service life of the device.

[0027] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0028] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0029] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

[0030] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A waterproof digital display alarm, comprising a housing (1), characterized in that: The side surface of the shell (1) is provided with an inner cavity (2), the inner side wall of the inner cavity (2) is snap-connected with an inner cover (3), the side surface of the inner cover (3) is fixedly connected with a first sealing rubber (4), the inner side wall of the inner cavity (2) is snap-connected with an outer cover (5), and the side surface of the outer cover (5) is tightly attached to the side surface of the first sealing rubber (4), and the outer surface of the outer cover (5) is fixedly connected with a second sealing rubber (6).

2. A waterproof digital display alarm according to claim 1, characterized in that: The upper surface and the lower surface of the inner cover (3) are both provided with a strip-shaped card slot (7), the inner top surface and the inner bottom surface of the inner cavity (2) are both integrally formed with a card strip (8), and the two card strips (8) can be engaged with the inner walls of the two strip-shaped card slots (7).

3. A waterproof digital display alarm according to claim 1, characterized in that: The side surface of the shell (1) is provided with two square card slots (9), the upper surface and the lower surface of the outer cover (5) are both fixedly connected with card blocks (10), and the two card blocks (10) can be engaged with the inner walls of the two square card slots (9).

4. A waterproof digital display alarm according to claim 3, characterized in that: The upper side and the lower side of the second sealing rubber (6) are both penetrated by an embedding groove (11), and a plurality of inner side walls of the embedding groove (11) are in close contact with a plurality of side surfaces of the clamping block (10).

5. A waterproof digital display alarm according to claim 4, characterized in that: The side surface of the clamping block (10) is provided with a groove (12), the inner side wall of the square clamping slot (9) is provided with a limiting groove (13), the inner wall of the limiting groove (13) is elastically slidably connected to the limiting block (14) via a spring, and the limiting block (14) can be engaged with the inner wall of the groove (12).

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