CN223246877U

CN223246877U - Instrument sealing structure

Info

Publication number: CN223246877U
Application number: CN202422511211.3U
Authority: CN
Inventors: 周杰; 陈建; 武名扬
Original assignee: Changzhou Jiaheng New Energy Technology Co ltd
Current assignee: Changzhou Jiaheng New Energy Technology Co ltd
Priority date: 2024-10-16
Filing date: 2024-10-16
Publication date: 2025-08-19
Anticipated expiration: 2034-10-16

Abstract

The present invention relates to the technical field of instrument sealing, and in particular to an instrument sealing structure, comprising: a bottom shell and an upper cover; a sealing groove is provided along the periphery of the bottom shell edge; the two sides of the sealing groove are arranged in an asymmetrical form; a plurality of clamping holes are provided along the same height on the inner side surface; a protruding clamping block is provided along the periphery of the upper cover edge, and the clamping block is used in conjunction with the sealing groove; a plurality of clamping blocks are provided on the inner surface of the clamping block; wherein the width of the clamping block corresponds to the width of the sealing groove, and the position and size of the clamping hole correspond to the position and size of the clamping block. In the present invention, an improved clamping method is adopted to replace the traditional fixing structure of screws and sealing rings, the sealing groove is used to accommodate sealant, and a circle of clamping blocks is provided on the edge of the upper cover, and the clamping blocks correspond to the clamping holes. The upper cover is pressed onto the bottom shell without the need for inverted buckling or the use of an electric screwdriver, thereby reducing the complexity of the process; the clamping blocks are used in conjunction with the sealant to improve the sealing of the interface, enhance the overall waterproof level, and reduce the strict requirements on flatness.

Description

Instrument sealing structure

Technical Field

The utility model relates to the technical field of instrument sealing, in particular to an instrument sealing structure.

Background

Most of the existing instrument structures on the market adopt a fixed structure of a screw and a sealing ring, the fixed structure is characterized in that the sealing ring is firstly placed at a designated position in a groove, then an upper cover and a bottom shell are closed, the instrument is required to be reversely buckled, then an electric screwdriver is used for driving the screw, the assembly mode is complex in procedure, the requirement on the matching flatness of the upper cover and the bottom shell is high, and the waterproof grade is low when the instrument is used.

In order to solve the problems, an instrument sealing structure is designed.

The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.

Disclosure of utility model

The utility model provides an instrument sealing structure, thereby effectively solving the problems in the background technology.

In order to achieve the aim, the technical scheme adopted by the utility model is that the instrument sealing structure comprises a bottom shell and an upper cover;

The sealing device comprises a bottom shell, a sealing groove, a plurality of clamping holes, a plurality of sealing grooves and a plurality of sealing grooves, wherein the periphery of the edge of the bottom shell is provided with the sealing groove which is used for containing sealant;

The edge of the upper cover is provided with a circle of convex clamping blocks along the periphery, and the clamping blocks are matched with the sealing groove for use;

The width of the clamping block corresponds to the width of the sealing groove, and the position size of the clamping hole corresponds to the position size of the clamping block.

Further, the display device also comprises a middle frame and a liquid crystal screen;

The middle frame is arranged in the bottom shell, and the top of the middle frame is provided with a groove;

the liquid crystal screen is arranged in the groove, and the size of the liquid crystal screen is matched with that of the groove.

Further, the novel multifunctional bottom shell comprises a PCB, wherein the PCB is arranged inside the bottom shell and is located below the middle frame.

Further, the middle frame and the PCB are provided with a plurality of screw holes, and the bottom of the bottom shell is provided with a plurality of screw holes and screws for fixing the PCB and the middle frame inside the bottom shell.

Further, a wire outlet hole is formed in the bottom of the bottom shell and used for guiding cable connection from the PCB to external equipment.

Further, a plurality of ventilation holes are formed in the middle frame and used for promoting ventilation in the bottom shell.

Further, the bottom shell and the upper cover are made of reinforced polycarbonate materials.

Further, the sealant is made of a silicone rubber material.

The utility model has the advantages that an improved clamping mode is adopted to replace the traditional fixing structure of the screw and the sealing ring, a circle of asymmetric sealing groove is arranged on the periphery of the edge of the bottom shell and is used for accommodating sealing glue instead of the sealing ring, a circle of protruding clamping blocks are designed on the edge of the upper cover, the clamping blocks are correspondingly arranged with the clamping holes on the bottom shell, the upper cover can be directly pressed onto the bottom shell, the height of the inner side surface of the sealing groove is higher than that of the outer side surface, the upper cover and the bottom shell can be automatically guided to be accurately aligned during clamping, an electric screwdriver is not required to be used for reversing, the complexity of an assembly process is reduced, reversing operation is not required or a tool is required to be used for fixing, the assembly process is remarkably simplified, the sealing blocks and the sealing glue of the sealing groove are matched for use, the sealing property of an interface is improved, the integral waterproof grade is improved, the strict requirement on the flatness is also reduced, the assembly speed is accelerated, and the integral reliability and the durability of a product are enhanced.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.

FIG. 1 is a schematic view of a meter seal structure;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is an exploded view of a meter seal structure;

FIG. 4 is a schematic view of the structure of the upper cover;

Reference numeral 1, bottom shell; 11, a sealing groove, 111, sealant, 12, an inner side surface, 121, a clamping hole, 13, an outer side surface, 14, a wire outlet hole, 2, an upper cover, 21, a clamping block, 211, a clamping block, 3, a middle frame, 31, a groove, 32, a vent hole, 4, a liquid crystal screen, 5, a PCB board, 6, a screw hole, 7, a screw hole, 8 and a screw.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present invention, it should be noted that the directions or positional relationships indicated as being "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are directions or positional relationships based on the drawings are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intermediate medium, or in communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 4, an instrument sealing structure includes a bottom case 1 and an upper cover 2;

A circle of sealing grooves 11 are formed in the periphery of the edge of the bottom shell 1, the sealing grooves 11 are used for containing sealing glue 111, two sides of each sealing groove 11 are in an asymmetric mode, the height of the inner side face 12 is higher than that of the outer side face 13, a plurality of clamping holes 121 are formed in the inner side face 12 along the same height, and the plurality of clamping holes 121 are uniformly distributed at equal intervals;

The edge of the upper cover 2 is provided with a circle of convex clamping blocks 21 along the periphery, and the clamping blocks 21 are matched with the sealing groove 11 for use, wherein the inward-facing surface of the clamping blocks 21 is provided with a plurality of clamping blocks 211, and the clamping blocks 211 are arranged at the same height and are uniformly distributed at equal intervals;

The width of the clamping block 21 corresponds to the width of the sealing groove 11, and the position of the clamping hole 121 corresponds to the position of the clamping block 211.

The improved clamping mode is adopted to replace the traditional fixing structure of the screw 8 and the sealing ring, a circle of asymmetric sealing groove 11 is formed in the periphery of the edge of the bottom shell 1 and is used for accommodating sealing glue 111 instead of the sealing ring, a circle of protruding clamping blocks 21 are arranged on the edge of the upper cover 2, clamping blocks 211 are correspondingly arranged with clamping holes 121 in the bottom shell 1, the upper cover 2 can be directly pressed onto the bottom shell 1, the height of the inner side 12 of the sealing groove 11 is higher than that of the outer side 13, the upper cover 2 and the bottom shell 1 can be automatically guided to be aligned during clamping, back-off and an electric screwdriver are not needed, complexity of an assembly procedure is reduced, back-off operation or fixture is not needed, the assembly process is remarkably simplified, the sealing performance at an interface is improved due to the fact that the clamping blocks 21 are matched with the sealing glue 111 of the sealing groove 11, the whole waterproof grade is improved, strict requirements on flatness are also reduced, and the whole reliability and durability of products are improved.

In this embodiment, the display device further comprises a middle frame 3 and a liquid crystal screen 4;

The middle frame 3 is arranged inside the bottom shell 1, and the top of the middle frame is provided with a groove 31;

The liquid crystal panel 4 is disposed in the recess 31, and the size of the liquid crystal panel 4 matches the size of the recess 31.

The middle frame 3 is arranged in the bottom shell 1 and is provided with a top groove 31, the liquid crystal screen 4 is allowed to be accurately embedded in the top groove 31, the size of the liquid crystal screen 4 is perfectly matched with the groove 31, and the stable fixation of the liquid crystal screen 4 is ensured, so that the stability of the whole structure of the instrument structure is enhanced, the durability of the instrument structure is improved, the liquid crystal screen 4 is protected from external impact or vibration, the lasting and clear display effect is maintained, and the service life of the instrument is prolonged.

In this embodiment, the device further comprises a PCB 5, and the PCB 5 is disposed inside the bottom shell 1 and below the middle frame 3.

The PCB board 5 is disposed inside the bottom case 1 and below the middle frame 3, effectively utilizes space and provides structural layering, thereby optimizing assembly and internal management of the whole meter structure, better protecting electronic components from potential physical damage by placing the PCB board 5 under the middle frame 3, and simultaneously facilitating placement of necessary circuits below the liquid crystal display 4 and other user interface components, ensuring short distance and high efficiency of electrical connection.

In this embodiment, a plurality of screw holes 6 are provided on the middle frame 3 and the PCB board 5, and a plurality of screw holes and screws 8 are provided at the bottom of the bottom case 1 for fixing the PCB board 5 and the middle frame 3 inside the bottom case 1.

Through set up a plurality of screw holes 6 on center 3 and PCB board 5 to set up a plurality of screw holes and screw 8 that correspond in bottom shell 1 bottom, make PCB board 5 can fix inside bottom shell 1 with center 3 firmly, improved whole instrument structure's integrality and mechanical stability, ensured the security and the reliability of electronic component in the use. At the same time, assembly and future maintenance work are facilitated, so that the internal components can be quickly and accurately disassembled and reassembled when repair or upgrade is required.

In the present embodiment, the bottom of the bottom case 1 is provided with a wire hole 14, and the wire hole 14 is used for guiding the cable connection from the PCB 5 to the external device.

The bottom of the bottom shell 1 is provided with the wire outlet hole 14, the wire outlet hole 14 is designed for guiding the cable connection from the PCB 5 to external equipment, so that the wiring of the cable is effectively managed and protected, the damage of the cable caused by excessive bending or pulling is avoided, the integrity and the functionality of the cable are ensured, the wire outlet hole 14 is also beneficial to maintaining the inside of the equipment, the installation and the maintenance process of the cable are simplified through the concentrated cable outlet, and the reliability and the service life of the whole instrument structure are improved.

In this embodiment, the middle frame 3 is provided with a plurality of ventilation holes 32, and the ventilation holes 32 are used for promoting ventilation inside the bottom shell 1.

The plurality of ventilation holes 32 provided on the middle frame 3 serve to promote ventilation inside the bottom chassis 1, and by providing sufficient ventilation, these ventilation holes 32 help to dissipate heat generated by the operation of the electronic components, reduce heat accumulation, thereby preventing overheating, ensuring stable performance and extended service life of the device, and good ventilation also helps to prevent moisture and dust accumulation, which are common causes of malfunction of the electronic device.

In this embodiment, the bottom case 1 and the upper cover 2 are made of reinforced polycarbonate material.

The enhanced polycarbonate material adopted by the bottom shell 1 and the upper cover 2 provides excellent mechanical strength and durability, so that the instrument has better shock resistance and corrosion resistance, the structural integrity of the whole instrument equipment is improved, the reliability under severe environment is ensured, the service life of the product is prolonged, the appearance of the instrument equipment is maintained due to the high transparency of the enhanced polycarbonate, the state of internal components is conveniently observed, and the maintenance convenience of the instrument equipment is enhanced.

In the present embodiment, the sealant 111 is a silicone rubber material.

The silicone rubber material used in the seal groove 11 provides excellent sealability and durability for the sealant 111, and the application of the silicone rubber ensures that the sealability of the instrument is not affected by environmental factors such as temperature change and humidity in the long-term use process, keeps the inside of the instrument device dry and clean, has good elasticity and flexibility, can effectively absorb and relieve external pressure or impact, and reduces the risk of the sealability being reduced due to mechanical stress.

It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The instrument sealing structure is characterized by comprising a bottom shell and an upper cover;

2. The meter seal of claim 1 further comprising a center and a liquid crystal screen;

3. The meter seal of claim 2 further comprising a PCB board disposed within said bottom shell and below said center frame.

4. The instrument sealing structure according to claim 3, wherein the middle frame and the PCB board are provided with a plurality of screw holes, and the bottom of the bottom case is provided with a plurality of screw holes and screws for fixing the PCB board and the middle frame inside the bottom case.

5. The meter seal of claim 4 wherein the bottom of the bottom case is provided with a wire hole for guiding a cable connection from the PCB to an external device.

6. The meter seal of claim 4 wherein a plurality of vents are provided in said center frame for facilitating ventilation of air within said bottom housing.

7. The meter seal of claim 1 wherein said bottom housing and said top cover are both formed of an enhanced polycarbonate material.

8. The meter seal of claim 1 wherein said sealant is a silicone rubber material.