CN212481217U - Novel waterproof and negative-pressure-proof wire connection device - Google Patents
Novel waterproof and negative-pressure-proof wire connection device Download PDFInfo
- Publication number
- CN212481217U CN212481217U CN202021324710.7U CN202021324710U CN212481217U CN 212481217 U CN212481217 U CN 212481217U CN 202021324710 U CN202021324710 U CN 202021324710U CN 212481217 U CN212481217 U CN 212481217U
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- waterproof
- negative
- pressure
- negative pressure
- power line
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Abstract
The utility model discloses a novel waterproof and negative pressure-proof wire connecting device, which comprises a lamp, a power line and a waterproof and negative pressure-proof shell, wherein the lamp is connected with a negative pressure cable, the waterproof and negative pressure-proof shell is used for protecting the power line from water, the two ends of the waterproof and negative pressure-proof shell are provided with power line fixing parts corresponding to the power line penetrating parts, and the power line is penetrated and arranged inside the waterproof and negative pressure-proof shell through the power line fixing parts; the tail end of the power line is connected with a PCB inside the waterproof and negative-pressure-proof shell, the output end of the PCB is connected with a power connecting line, and the waterproof and negative-pressure-proof shell is internally sealed by glue; the power connecting wire penetrates out of the interior of the waterproof negative pressure preventing shell to be connected with the lamp. This novel waterproof negative pressure electric wire connection device of preventing has the leakproofness that improves to prevent that negative pressure cable conductor and lamps and lanterns are connected to make negative pressure cable conductor connected's lamps and lanterns have best water-proof effects, improve lamps and lanterns life's advantage, it is not good to have solved current negative pressure cable conductor water-proof effects when using, reduces lamps and lanterns life and reduces the problem of pressure drop.
Description
Technical Field
The utility model relates to a negative pressure connection of electric lines technical field specifically is a novel waterproof negative pressure connection of electric lines device of preventing.
Background
At present, the waterproof protection of the known underground lamp and the underwater lamp adopts a totally-enclosed mode, but the inside of the product can generate air pressure change due to temperature change when the product is operated and closed, and the air in the shell can be discharged out of the cavity from the weak part; after the product is powered off, negative pressure is generated along with gradual reduction of the internal temperature, external rainwater, humid air and other media enter the cavity along the cable sheath, and long-term accumulation can cause electrical property failure of the product and influence the service life of the product.
Disclosed in current patent application No. 201320503373.1 is a prevent negative pressure cable conductor, its adoption is preventing negative pressure cable conductor inferior valve and upper cover cooperation and is making up cable conductor, PCB board to in the cavity epoxy AB glue embedment, because the cable conductor is established between inferior valve upper cover by the outside, also there is weak position between cable conductor and inferior valve and the upper cover, reduced holistic waterproof performance and reduced the pressure drop problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel waterproof negative pressure electric wire connection of preventing device has the leakproofness that improves to prevent that negative pressure cable conductor and lamps and lanterns are connected to make negative pressure cable conductor's lamps and lanterns have best water-proof effects, improve lamps and lanterns life's advantage, solved and to have now prevented that negative pressure cable conductor water-proof effects is not good when using, reduces lamps and lanterns life's problem.
In order to achieve the above object, the utility model provides a following technical scheme: a novel waterproof and negative-pressure-proof wire connecting device comprises a lamp, a power line and a waterproof and negative-pressure-proof shell, wherein the lamp is connected with a negative-pressure cable, the waterproof and negative-pressure-proof shell is used for protecting the power line in a waterproof way, power line fixing parts are arranged at the two ends of the waterproof and negative-pressure-proof shell corresponding to the positions where the power line penetrates, and the power line penetrates through the waterproof and negative-pressure-proof shell through the;
the tail end of the power line is connected with a PCB inside the waterproof and negative-pressure-proof shell, the output end of the PCB is connected with a power connecting line, and the waterproof and negative-pressure-proof shell is internally sealed by glue;
the power connecting wire penetrates out of the interior of the waterproof negative-pressure-proof shell to be connected with the lamp, and the waterproof negative-pressure-proof shell is arranged inside the lamp.
Furthermore, the terminal surface of waterproof negative-pressure-proof shell corresponds lamps and lanterns and is equipped with the screw hole, waterproof negative-pressure-proof shell passes screw hole and lamps and lanterns fixed connection through the screw.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a waterproof negative pressure shell that prevents corresponds the power cord and sets up the power cord mounting, the power cord enters into inside waterproof negative pressure shell that prevents through the power cord mounting, the inside PCB board of the inside reconnection of terminal waterproof negative pressure shell of power cord, the output of PCB board is connected with two power connecting wires of being connected with lamps and lanterns, the power connecting wire is worn out again and is sealed the inside processing of gluing of waterproof negative pressure shell of preventing after waterproof negative pressure shell of preventing, waterproof negative pressure shell of preventing is equipped with the screw hole, pass through screw hole and lamps and lanterns fixed connection with the screw, PCB board power cord is giving out light-emitting inside entering into lamps and lanterns, effectively improve the leakproofness of preventing negative pressure cable conductor and lamps and lanterns being connected, thereby the lamps and lanterns that make negative pressure cable.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is the utility model discloses a waterproof negative pressure shell internal analysis structure schematic diagram.
In the figure: 1. a light fixture; 2. a power line; 3. a waterproof negative pressure-proof shell; 4. a power line fixing member; 5. a PCB board; 6. a power connection line; 7. and (4) screw holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, a novel waterproof and negative pressure-proof wire connection device includes a lamp 1 for connecting a negative pressure cable, a power line 2, and a waterproof and negative pressure-proof shell 3 for protecting the power line 2 from water, wherein power line fixing members 4 are disposed at two ends of the waterproof and negative pressure-proof shell 3 corresponding to the positions where the power line 2 penetrates, and the power line 2 penetrates through the waterproof and negative pressure-proof shell 3 through the power line fixing members 4;
the tail end of the power line 2 is connected with a PCB (printed circuit board) 5 in the waterproof and negative-pressure-proof shell 3, the output end of the PCB 5 is connected with a power connecting line 6, and the waterproof and negative-pressure-proof shell 3 is internally sealed by glue;
the power connecting wire 6 penetrates out of the interior of the waterproof negative-pressure-proof shell 3 to be connected with the lamp 1, and the waterproof negative-pressure-proof shell 3 is arranged inside the lamp 1.
Specifically, the terminal surface of waterproof negative-pressure-proof shell 3 corresponds lamps and lanterns and is equipped with screw hole 7, waterproof negative-pressure-proof shell 3 passes screw hole 7 and lamps and lanterns 1 fixed connection through the screw.
The power cord 2 enters into inside the waterproof negative pressure shell 3 of preventing through the power cord mounting 4, the inside PCB board 5 of 3 inside reconnection of the terminal waterproof negative pressure shell of power cord 2, the output of PCB board 5 is connected with two power connecting wires 6 of being connected with lamps and lanterns 1, power connecting wire 6 wears out waterproof negative pressure shell 3 back and seals the inside of waterproof negative pressure shell 3 again and glue the processing, waterproof negative pressure shell 3 of preventing is equipped with screw hole 7, pass through screw hole 7 and lamps and lanterns 1 fixed connection with the screw, PCB board 5 enters into 1 the inside of lamps and lanterns through power connecting wire 6 and gives out light, effectively improve the leakproofness of preventing negative pressure cable conductor and lamps and lanterns 1 being connected, thereby make the lamps and lanterns 1 of negative pressure cable conductor connection have best water-proof effects and reduce the pressure drop.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. The utility model provides a novel waterproof negative pressure wire connection of preventing device, includes lamps and lanterns (1), power cord (2) of connecting the negative pressure cable line and to waterproof negative pressure shell (3) of preventing of power cord (2), its characterized in that: a power line fixing piece (4) is arranged at the position, corresponding to the power line (2), of the two ends of the waterproof and negative-pressure-proof shell (3) in a penetrating manner, and the power line (2) penetrates through the waterproof and negative-pressure-proof shell (3) through the power line fixing piece (4);
the tail end of the power line (2) is connected with a PCB (printed circuit board) inside the waterproof and negative-pressure-proof shell (3), the output end of the PCB (5) is connected with a power connecting line (6), and the waterproof and negative-pressure-proof shell (3) is sealed by glue;
the power connecting wire (6) penetrates out of the interior of the waterproof negative-pressure-proof shell (3) to be connected with the lamp (1), and the waterproof negative-pressure-proof shell (3) is arranged inside the lamp (1).
2. The novel waterproof and negative-pressure-proof wire connecting device according to claim 1, wherein: the end face of the waterproof and negative-pressure-proof shell (3) corresponds to the lamp and is provided with a screw hole (7), and the waterproof and negative-pressure-proof shell (3) penetrates through the screw hole (7) through a screw and is fixedly connected with the lamp (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021324710.7U CN212481217U (en) | 2020-07-08 | 2020-07-08 | Novel waterproof and negative-pressure-proof wire connection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021324710.7U CN212481217U (en) | 2020-07-08 | 2020-07-08 | Novel waterproof and negative-pressure-proof wire connection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212481217U true CN212481217U (en) | 2021-02-05 |
Family
ID=74457064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021324710.7U Expired - Fee Related CN212481217U (en) | 2020-07-08 | 2020-07-08 | Novel waterproof and negative-pressure-proof wire connection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212481217U (en) |
-
2020
- 2020-07-08 CN CN202021324710.7U patent/CN212481217U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210205 Termination date: 20210708 |
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| CF01 | Termination of patent right due to non-payment of annual fee |