Instrument with fully-sealed structure
The fully sealed structure design solves the problem of premature failure of instruments in mining tunnel vehicles caused by the ingress of water vapor and dust, thus achieving long service life and stable operation of the instruments.
Patent Information
- Application Number
- CN202423244136.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2026-01-27
- Estimated Expiration
- 2034-12-26
AI Technical Summary
Existing mine tunnel vehicle instruments are prone to premature failure and shortened service life due to the ingress of moisture and dust in the mine environment.
The instrument features a fully sealed structure design, including components such as a rear cover sealing ring, a socket sealing sleeve, a buzzer sealing ring, a transparent panel, and fastening bolts. Through plug-in connections and laser welding, the instrument achieves a complete seal, ensuring that moisture and dust cannot enter the instrument's interior.
This effectively prevents the instrument from failing due to water ingress, moisture, or dust accumulation, extending its service life and maintaining the stability of the instrument's functions.
Smart Images

Figure CN223844050U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of instrument technology, specifically relating to a fully sealed instrument. Background Technology
[0002] The environment in mine tunnels is extremely complex. Existing mine tunnel vehicle instruments only achieve a front waterproof IP63 rating, while the other directions are not sealed. Moisture, dust, and other contaminants can easily enter the instruments, causing them to fail prematurely and significantly reducing their service life. Utility Model Content
[0003] The purpose of this invention is to provide a fully sealed instrument that can prevent moisture, dust, and other contaminants from entering the instrument, thereby increasing its service life.
[0004] To achieve the above objectives, this utility model provides the following technical solution: a fully sealed instrument, comprising:
[0005] The back cover has a back cover groove with an opening on one side. The bottom surface of the back cover groove has a socket through groove and a buzzer through groove. The opening of the back cover has a back cover ring groove, and a back cover sealing ring is installed in the back cover ring groove.
[0006] A circuit board assembly is fixed in the rear cover groove. A socket body on the circuit board assembly passes through the socket through groove. A sealing sleeve fixing ring is fixed on the outer wall of the socket body. A socket sealing sleeve is fitted on the sealing sleeve fixing ring. One side of the socket sealing sleeve abuts against the bottom surface of the rear cover groove. A buzzer groove is provided on the inner wall of the rear cover groove. The buzzer groove communicates with the buzzer through groove. A waterproof and sound-permeable membrane and a buzzer sealing ring are installed in the buzzer groove. One side of the buzzer sealing ring abuts against the waterproof and sound-permeable membrane, and the other side abuts against the buzzer body on the circuit board assembly.
[0007] The cover body has a cover groove with an opening on one side. The bottom surface of the cover groove has a cover through groove. A transparent panel is fixed and laser-welded inside the cover groove. A cover ring is fixed at the opening of the cover body. The cover ring is inserted into the rear cover ring groove. The cover body is fixedly connected to the rear cover.
[0008] Furthermore, it also includes a rubber button, the outer wall of which is provided with a button ring groove, the transparent panel is provided with a transparent perforation, the sidewall of which is fitted onto the button ring groove, and the end of the rubber button facing the circuit board body is provided with a rubber groove, and one end of the button on the circuit board body is inserted into the rubber groove.
[0009] Furthermore, a bracket is fixed to the side of the circuit board assembly facing away from the socket body, a scale is provided on the side of the bracket facing away from the circuit board assembly, and a screen ring is provided on the side of the scale facing away from the bracket. One end of the screen ring abuts against the scale and the other end abuts against the transparent panel.
[0010] Furthermore, the bottom surface of the rear cover groove is provided with a socket groove, the socket through slot passes through the socket groove, and the socket sealing sleeve is installed in the socket groove.
[0011] Furthermore, the outer wall of the rear cover is provided with a plurality of fixing protrusions, and the fixing protrusions are provided with fixing holes. The outer wall of the cover body is fixed with a plurality of connecting protrusions corresponding to the fixing protrusions, and fastening bolts that are threadedly connected to the connecting protrusions are passed through the fixing holes.
[0012] Furthermore, the cover groove and the transparent panel are laser welded together.
[0013] Compared with the prior art, the beneficial effects of this utility model are:
[0014] (1) The cover ring is inserted into the groove of the rear cover ring. The rear cover sealing ring is in a compressed state and can seal the connection between the rear cover and the cover body. One side of the socket sealing sleeve abuts against the bottom surface of the rear cover groove. The socket sealing sleeve can seal the gap between the socket body and the socket through groove. One side of the buzzer sealing ring abuts against the waterproof sound-permeable membrane, and the other side abuts against the buzzer body on the circuit board assembly. It can seal the gap between the buzzer body and the buzzer through groove. By adopting the above sealing method, it is possible to avoid the failure of the instrument inside due to water ingress, moisture or dust accumulation during the use of the mining tunnel vehicle.
[0015] (2) The rubber button can ensure the seal between the rubber button and the transparent perforation, and can also control the button on the circuit board body.
[0016] (3) The fastening bolts fix the back cover and the housing body together. During the tightening process, the back cover sealing ring, the socket sealing sleeve and the buzzer sealing ring are compressed at the same time, making installation convenient. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the fully sealed instrument structure of this utility model;
[0018] Figure 2 for Figure 1 Exploded view;
[0019] Figure 3 for Figure 1 Front view;
[0020] Figure 4for Figure 3 Cross-sectional view at point AA;
[0021] Figure 5 for Figure 4 A magnified view of a section at point I;
[0022] Figure 6 for Figure 3 Cross-sectional view at point BB;
[0023] Figure 7 for Figure 6 Enlarged view of section II in the middle;
[0024] Figure 8 This is a cross-sectional view of the connection point of the socket body;
[0025] Figure 9 for Figure 1 Rear view;
[0026] Figure 10 for Figure 9 Cross-sectional view at point C;
[0027] Figure 11 for Figure 10 A magnified view of a section at point III.
[0028] In the diagram: 1. Back cover; 2. Back cover groove; 3. Socket through groove; 4. Buzzer through groove; 5. Back cover ring groove; 6. Back cover sealing ring; 7. Circuit board assembly; 8. Sealing sleeve fixing ring; 9. Socket sealing sleeve; 10. Buzzer groove; 11. Waterproof and sound-permeable membrane; 12. Buzzer sealing ring; 13. Cover body; 14. Cover groove; 15. Cover through groove; 16. Transparent panel; 17. Cover ring; 18. Rubber button; 19. Button ring groove; 20. Transparent perforation; 21. Rubber groove; 22. Bracket; 23. Scale; 24. Screen ring; 25. Socket groove; 26. Fixing protrusion; 27. Fixing perforation; 28. Connecting protrusion; 29. Fastening bolt; 30. Socket body; 31. Buzzer body; 32. Socket sealing sleeve groove; 33. Button. Detailed Implementation
[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0030] Please see Figures 1-11 This utility model provides a fully sealed instrument technology solution.
[0031] A fully sealed instrument, comprising:
[0032] The rear cover 1 has a rear cover groove 2 with an opening on one side. The bottom surface of the rear cover groove 2 has a socket through groove 3 and a buzzer through groove 4. The opening of the rear cover 1 has a rear cover ring groove 5. A rear cover sealing ring 6 is installed in the rear cover ring groove 5.
[0033] Circuit board assembly 7 is fixed in the back cover groove 2. The socket body 30 on the circuit board assembly 7 passes through the socket through groove 3. A sealing sleeve fixing ring 8 is fixed on the outer wall of the socket body 30. A socket sealing sleeve 9 is assembled on the sealing sleeve fixing ring 8. The sealing sleeve fixing ring 8 is located in the socket sealing sleeve groove 32 of the socket sealing sleeve 9. One side of the socket sealing sleeve 9 abuts against the bottom surface of the back cover groove 2. The socket sealing sleeve 9 is in a compressed state. A buzzer groove 10 is provided on the inner wall of the back cover groove 2. The buzzer groove 10 is connected to the buzzer through groove 4. A waterproof sound-permeable membrane 11 and a buzzer sealing ring 12 are installed in the buzzer groove 10. One side of the buzzer sealing ring 12 abuts against the waterproof sound-permeable membrane 11, and the other side abuts against the buzzer body 31 on the circuit board assembly 7. The buzzer sealing ring 12 is in a compressed state.
[0034] The cover body 13 has a cover groove 14 with an opening on one side. The bottom surface of the cover groove 14 has a cover through groove 15. A transparent panel 16 is fixed and laser-welded inside the cover groove 14. A cover ring 17 is fixed at the opening of the cover body 13. The cover ring 17 is inserted into the rear cover ring groove 5. The rear cover sealing ring 6 is in a compressed state. The cover body 13 is fixedly connected to the rear cover 1.
[0035] In the field of mining tunnel vehicles, instrument malfunctions due to water ingress, moisture, or dust accumulation are common and a major factor leading to premature instrument failure. The cover ring 17 is inserted into the rear cover ring groove 5, and the rear cover sealing ring 6, in a compressed state, seals the connection between the rear cover 1 and the cover body 13. One side of the socket sealing sleeve 9 abuts against the bottom surface of the rear cover groove 2, sealing the gap between the socket body 30 and the socket through groove 3. The buzzer body 31 abuts against the side of the buzzer sealing ring 12 facing away from the waterproof and sound-permeable membrane 11, sealing the gap between the buzzer body 31 and the buzzer through groove 4 without affecting the sound output of the buzzer body 31. Using this sealing method, instrument malfunctions due to water ingress, moisture, or dust accumulation during the use of mining tunnel vehicles can be prevented.
[0036] like Figure 6 and Figure 7As shown, the fully sealed instrument also includes a rubber button 18. The outer wall of the rubber button 18 has a button ring groove 19, and the transparent panel 16 has a transparent perforation 20. The sidewall of the transparent perforation 20 is fitted onto the button ring groove 19. One end of the rubber button 18 facing the circuit board assembly 7 has a rubber groove 21, and one end of the button 33 on the circuit board assembly 7 is inserted into the rubber groove 21. The rubber button 18 ensures a tight seal between itself and the transparent perforation 20, and also allows control of the button on the circuit board assembly 7.
[0037] like Figures 2-6 As shown, a bracket 22 is fixed to the side of the circuit board assembly 7 facing away from the socket body 30. A scale 23 is provided on the side of the bracket 22 facing away from the circuit board assembly 7. A screen ring 24 is provided on the side of the scale 23 facing away from the bracket 22. One end of the screen ring 24 abuts against the scale 23, and the other end abuts against the transparent panel 16. The screen ring 24 can limit the movement of the scale 23.
[0038] like Figure 8 As shown, the bottom surface of the back cover groove 2 is provided with a socket groove 25, the socket through groove 3 passes through the socket groove 25, and the socket sealing sleeve 9 is installed in the socket groove 25, with the socket sealing sleeve 9 abutting against the bottom surface of the socket groove 25.
[0039] like Figure 1 and Figure 5 As shown, the outer wall of the back cover 1 is provided with several fixing protrusions 26, and the fixing protrusions 26 are provided with fixing holes 27. The outer wall of the cover body 13 is fixed with several connecting protrusions 28 corresponding to the fixing protrusions 26. Fastening bolts 29 that are threadedly connected to the connecting protrusions 28 are passed through the fixing holes 27, thereby fixing the back cover 1 and the cover body 13 together, and sealing is achieved by applying glue to the bolt heads after assembly.
[0040] The cover groove and the transparent panel are laser welded together, and the entire welded area is IP65 waterproof.
[0041] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A fully sealed instrument, characterized in that, include: The back cover has a back cover groove with an opening on one side. The bottom surface of the back cover groove has a socket through groove and a buzzer through groove. The opening of the back cover has a back cover ring groove, and a back cover sealing ring is installed in the back cover ring groove. A circuit board assembly is fixed in the rear cover groove. A socket body on the circuit board assembly passes through the socket through groove. A sealing sleeve fixing ring is fixed on the outer wall of the socket body. A socket sealing sleeve is fitted on the sealing sleeve fixing ring. One side of the socket sealing sleeve abuts against the bottom surface of the rear cover groove. A buzzer groove is provided on the inner wall of the rear cover groove. The buzzer groove communicates with the buzzer through groove. A waterproof and sound-permeable membrane and a buzzer sealing ring are installed in the buzzer groove. One side of the buzzer sealing ring abuts against the waterproof and sound-permeable membrane, and the other side abuts against the buzzer body on the circuit board assembly. The cover body has a cover groove with an opening on one side. The bottom surface of the cover groove has a cover through groove. A transparent panel is fixed and laser-welded into the cover groove. A cover ring is fixed at the opening of the cover body. The cover ring is inserted into the rear cover ring groove. The cover body is fixedly connected to the rear cover.
2. The fully sealed instrument according to claim 1, characterized in that, It also includes a rubber button, the outer wall of which is provided with a button ring groove, the transparent panel is provided with a transparent perforation, the sidewall of which is fitted onto the button ring groove, and the end of the rubber button facing the circuit board assembly is provided with a rubber groove, and one end of the button on the circuit board assembly is inserted into the rubber groove.
3. The fully sealed instrument according to claim 1, characterized in that, A bracket is fixed to the side of the circuit board assembly facing away from the socket body. A scale is provided on the side of the bracket facing away from the circuit board assembly. A screen ring is provided on the side of the scale facing away from the bracket. One end of the screen ring abuts against the scale and the other end abuts against the transparent panel.
4. The fully sealed instrument according to claim 1, characterized in that, The bottom surface of the rear cover groove is provided with a socket groove, the socket through slot passes through the socket groove, and the socket sealing sleeve is installed in the socket groove.
5. The fully sealed instrument according to claim 1, characterized in that, The outer wall of the rear cover is provided with several fixing protrusions, and the fixing protrusions are provided with fixing holes. The outer wall of the cover body is fixed with several connecting protrusions corresponding to the fixing protrusions, and fastening bolts that are threadedly connected to the connecting protrusions are passed through the fixing holes.