CN219735237U - Deconcentrator and lamp - Google Patents

Abstract

The utility model relates to the technical field of lamps and lanterns, and particularly discloses a deconcentrator and a lamp, which comprise a shell, a circuit board and an electric wire, wherein an accommodating cavity is formed in the shell, the circuit board is arranged in the accommodating cavity, the electric wire is connected with the circuit board, an extension body is arranged on one side of the shell, a plurality of through holes which are distributed at intervals are formed in the extension body, the through holes are communicated with the accommodating cavity, one end, close to the circuit board, of the electric wire is at least partially positioned in the through holes, and a plurality of first glue injection grooves which are distributed at intervals are formed in a surrounding mode on the inner wall of the through holes. According to the utility model, the extension body is arranged on one side of the shell, one end of the electric wire close to the circuit board is arranged in the through hole on the extension body, and the expansion glue is injected into the first glue injection groove, so that the electric wire is sealed in the through hole, the extension body is utilized to wrap the electric wire, and the rubber coating at the joint of the electric wire and the circuit board is prevented from being directly exposed in the air, so that the ageing speed at the outlet of the rubber coating is reduced, the waterproof effect of the deconcentrator is improved, and the service life of the deconcentrator is greatly prolonged.

Description

Deconcentrator and lamp

Technical Field

The utility model relates to the technical field of lamps, in particular to a deconcentrator and a lamp.

Background

Currently, in lamp products, a deconcentrator is generally used for connecting a driving power supply, and the deconcentrator has the function of simultaneously supplying power to a plurality of branches. However, the rubber coating outlet of the electric wire on most of the wire dividers on the market is exposed in the environment, in the tropical rain forest climate zone of Xishuangbanna, the aging speed of the rubber coating outlet of the electric wire is relatively high under the influence of environmental factors, so that the rubber coating outlet is elastically failed, if the electric wire is dragged, the rubber coating outlet is easy to break, the waterproof effect is poor, and components on the circuit board inside the wire dividers are easy to damage, so that the service life is short.

It can be seen that there is a need for improvements and improvements in the art.

Disclosure of Invention

In view of the shortcomings of the prior art, the utility model aims to provide a deconcentrator and a lamp, which can reduce the ageing speed at an encapsulated outlet, and have better waterproof effect and longer service life.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the technical scheme of the utility model provides a deconcentrator, which comprises a shell, a circuit board and an electric wire, wherein an accommodating cavity is formed in the shell, the circuit board is arranged in the accommodating cavity, the electric wire is connected with the circuit board, an extension body is arranged on one side of the shell, a plurality of through holes which are distributed at intervals are formed in the extension body, the through holes are communicated with the accommodating cavity, one end of the electric wire, which is close to the circuit board, is at least partially positioned in the through holes, and a plurality of first glue injection grooves which are distributed at intervals are formed in the inner wall of the through holes in a surrounding mode.

In the deconcentrator, the casing include drain pan and top shell, the drain pan with pass through screw connection between the top shell, be provided with first holding tank on the drain pan, be provided with the second holding tank on the top shell, first holding tank with splice formation between the second holding tank hold the chamber.

In the deconcentrator, the outside of first holding tank is encircled and is provided with first annular, the outside of second holding tank is encircled and is provided with the second annular, first annular with splice between the second annular and form the second injecting glue groove, the second injecting glue groove with first injecting glue groove intercommunication.

In the deconcentrator, the tank bottom of first holding tank is provided with supporting part, the tank bottom of second holding tank is provided with a plurality of interval distribution's support column, the two sides of circuit board respectively with supporting part and support column butt.

In the deconcentrator, a first extension part is arranged on the bottom shell, a second extension part is arranged on the top shell, and the first extension part and the second extension part are spliced to form the extension body.

In the deconcentrator, be provided with a plurality of interval distribution's first arc wall on the first extension, be provided with on the second extension with the second arc wall that first arc wall corresponds, first arc wall with splice between the second arc wall and form the through-hole, be provided with a plurality of interval distribution's first recess on the inner wall of first arc wall, be provided with on the inner wall of second arc wall with the second recess that first recess corresponds, first recess with splice between the second recess and form first injecting glue groove.

In the deconcentrator, the both sides of first extension portion are provided with first connecting portion respectively, the both sides of second extension portion be provided with respectively with the second connecting portion that first connecting portion corresponds, be provided with first connecting hole on the first connecting portion, be provided with on the second connecting portion with the second connecting hole that first connecting hole corresponds, first connecting hole with pass through the screw connection between the second connecting hole.

In the deconcentrator, a concave position is arranged on the inner wall of the first connecting hole, a positioning pipe corresponding to the concave position is arranged at the bottom of the second connecting hole, and the positioning pipe is in sliding connection with the concave position.

The technical scheme of the utility model also provides a lamp, which comprises a lamp body and the deconcentrator, wherein the lamp body is electrically connected with the circuit board of the deconcentrator.

The beneficial effects are that: the utility model provides a deconcentrator, a circuit board is placed in a containing cavity of a shell, an extension body is arranged on one side of the shell, one end of an electric wire, which is close to the circuit board, is arranged in a through hole on the extension body, and expansion glue is injected into a first glue injection groove so as to seal the electric wire in the through hole, and the extension body is used for wrapping the electric wire, so that the rubber coating at the joint of the electric wire and the circuit board is prevented from being directly exposed in the air, the ageing speed at an outlet of the rubber coating is reduced, the waterproof effect of the deconcentrator is improved, and the service life of the deconcentrator is greatly prolonged.

Drawings

FIG. 1 is an exploded view of a wire divider provided by the present utility model;

FIG. 2 is an enlarged schematic view of area A of FIG. 1;

FIG. 3 is a perspective view of a housing in a wire divider provided by the present utility model;

FIG. 4 is a perspective view of a wire divider provided by the present utility model;

FIG. 5 is a perspective view of a conventional wire divider provided by the present utility model;

fig. 6 is a combined state diagram of the bottom case, the circuit board and the wires provided by the utility model;

FIG. 7 is a perspective view of a top housing of the wire divider provided by the present utility model;

FIG. 8 is a top view of a bottom shell of the wire divider provided by the utility model;

fig. 9 is a top view of a top shell in a wire divider provided by the utility model.

Description of main reference numerals: 1-housing, 10-extension, 110-through hole, 11-bottom shell, 111-first accommodation groove, 1111-support, 112-first annular groove, 113-first extension, 1131-first arc groove, 1132-first groove, 114-first connection, 1141-first connection hole, 1142-recess, 12-top shell, 121-second accommodation groove, 1211-support column, 122-second annular groove, 123-second extension, 1231-second arc groove, 1232-second groove, 124-second connection, 1241-second connection hole, 1242-positioning tube, 2-circuit board, 3-wire, 4-conventional wire-separator.

Detailed Description

The utility model provides a deconcentrator and a lamp, and in order to make the purposes, technical schemes and effects of the utility model clearer and more clear, the utility model is further described in detail below by referring to the accompanying drawings and the embodiments.

In the description of the present utility model, it should be understood that the azimuth or positional relationship indicated by the terms "top", "bottom", etc. are those described based on the drawings, and are merely for convenience of description of the present utility model and for simplification of description, and are not to be construed as limiting the present utility model; furthermore, the terms "mounted," "connected," and the like, are to be construed broadly and, as appropriate, the specific meaning of the terms in the present utility model will be understood by those of ordinary skill in the art.

Referring to fig. 1, 2, 3 and 4, the present utility model provides a wire divider, which includes a housing 1, a circuit board 2 and an electric wire 3, wherein a receiving cavity is provided in the housing 1, the circuit board 2 is disposed in the receiving cavity, the electric wire 3 is connected with the circuit board 2, an extension body 10 is provided at one side of the housing 1, wherein the extension body 10 and the housing 1 are integrally formed to ensure the tightness of the connection between the extension body 10 and the housing 1, a plurality of through holes 110 are provided on the extension body 10 at intervals, wherein the through holes 110 are right circular ring concave through cavities, the through holes 110 are communicated with the receiving cavity, one end of the electric wire 3 close to the circuit board 2 is at least partially located in the through holes 110, and a plurality of first glue injection grooves are circumferentially provided on the inner wall of the through holes 110 at intervals.

For ease of understanding, a schematic diagram of the encapsulated outlet 41 of the wire on the conventional wire divider 4 is shown in fig. 5, i.e., the encapsulated outlet 41 of the wire on the conventional wire divider 4 is directly exposed to air.

Compared with the traditional deconcentrator 4, in the practical application process, the circuit board 2 is placed in the accommodating cavity of the shell 1, the extension body 10 is arranged on one side of the shell 1, one end of the electric wire 3, which is close to the circuit board 2, is arranged in the through hole 110 on the extension body 10, and the expansion glue is injected into the first glue injection groove, so that the electric wire 3 is sealed in the through hole 110, the electric wire 3 is wrapped by the extension body 10, the situation that the electric wire 3 and the encapsulated outlet of the circuit board 2 are directly exposed in the air is avoided, the ageing speed of the encapsulated outlet is reduced, the waterproof effect of the deconcentrator is improved, and the service life of the deconcentrator is greatly prolonged.

It should be noted that the swelling glue may be a polyurethane swelling glue, which is a swelling glue with excellent adhesion and sealing properties. The main component is polyurethane, and is prepared by adding an expanding agent, a filler, a curing agent and the like. The polyurethane expansion glue can be filled into the corresponding sealing groove in a liquid state, and the gap in the sealing groove is automatically expanded and filled after a period of time so as to form a solid and reliable sealing body. The specific application range of the polyurethane expansion adhesive comprises building sealing, waterproof treatment, road repair and the like. Therefore, the application of the expansion glue belongs to the technical means commonly used in the prior art, and is not described herein.

In some embodiments, as shown in fig. 4 and 8, the housing 1 includes a bottom shell 11 and a top shell 12, the bottom shell 11 and the top shell 12 are connected by a screw, a first accommodating groove 111 is provided on the bottom shell 11, a second accommodating groove 121 is provided on the top shell 12, and an accommodating cavity is formed by splicing the first accommodating groove 111 and the second accommodating groove 121. In the actual assembly process, the circuit board 2 can be firstly installed in the first accommodating groove 111, and then the top shell 12 and the bottom shell 11 are buckled and fixed through screw connection, so that the circuit board 2 is sealed in an accommodating cavity formed by splicing the first accommodating groove 111 and the second accommodating groove 121, and the installation is convenient and quick.

Preferably, referring to fig. 8 and 9, a first annular groove 112 is circumferentially arranged on the outer side of the first accommodating groove 111, a second annular groove 122 is circumferentially arranged on the outer side of the second accommodating groove 121, and a second glue injection groove is formed by splicing the first annular groove 112 and the second annular groove 122, and is communicated with the first glue injection groove. Before the bottom shell 11 and the top shell 12 are assembled, the first glue injection groove and the second glue injection groove are filled with expansion glue, and after the bottom shell 11 and the top shell 12 are assembled, the expansion glue expands in the first glue injection groove and the second glue injection groove, so that the sealing effect of the containing cavity is improved, the electric wire 3 is sealed in the through hole 110, and the waterproof capability of the deconcentrator is greatly improved

In some embodiments, referring to fig. 6, 7 and 8, the bottom of the first accommodating groove 111 is provided with a supporting portion 1111, the bottom of the second accommodating groove 121 is provided with a plurality of supporting columns 1211 distributed at intervals, and two sides of the circuit board 2 are respectively abutted against the supporting portion 1111 and the supporting columns 1211. The circuit board 2 is positioned at the bottom of the first accommodating groove 111 through the supporting part 1111, and the supporting column 1211 is utilized to support and position the circuit board 2, so that the circuit board 2 is prevented from shaking in the accommodating cavity, the circuit board 2 is not affected by external force, the shockproof capacity of the deconcentrator is enhanced, and the service life of the deconcentrator is further prolonged.

It should be noted that, because there are a plurality of electronic components with different heights on the circuit board 2, the surface of the circuit board 2 is uneven due to the plurality of electronic components with different heights, when glue is injected into the accommodating cavity to form an insulating encapsulating layer on the surface of the circuit board 2, the thickness of the encapsulating layer on the surface of the circuit board 2 is uneven due to the uneven surface of the circuit board 2, so that the cooling of the encapsulating layers with different thicknesses is uneven, i.e. the thicker encapsulating layer is slow to cool, and the thinner encapsulating layer is slow to cool; because of the thermal expansion and contraction principle of the glue coating layer, the circuit board 2 can be deformed to cause loosening and damage of electronic components; therefore, the circuit board 2 is positioned at the bottom of the first accommodating groove 111 by the supporting part 1111, and the supporting pillar 1211 is used for supporting and positioning the circuit board 2, so that the circuit board 2 is prevented from being deformed easily in the glue injection process, and normal operation of the circuit board 2 after glue injection is ensured.

In some embodiments, as shown in fig. 4, a first extension 113 is disposed on the bottom shell 11, and a second extension 123 is disposed on the top shell 12, where the first extension 113 and the second extension 123 are spliced to form the extension body 10. The extension body 10 is formed by the matched connection of the first extension part 113 and the second extension part 123, so that the subsequent electric wire 3 can be clamped between the first extension part 113 and the second extension part 123, and the convenience of assembling the deconcentrator is further improved.

In some embodiments, as can be appreciated with reference to fig. 1, 2 and 3, the first extending portion 113 is provided with a plurality of first arc grooves 1131 distributed at intervals, the second extending portion 123 is provided with a second arc groove 1231 corresponding to the first arc groove 1131, the first arc groove 1131 and the second arc groove 1231 are spliced to form the through hole 110, the inner wall of the first arc groove 1131 is provided with a plurality of first grooves 1132 distributed at intervals, the inner wall of the second arc groove 1231 is provided with a second groove 1232 corresponding to the first groove 1132, and the first grooves 1132 and the second grooves 1232 are spliced to form the first glue injection groove. In the actual assembly process, the electric wire 3 is placed in the first arc-shaped groove 1131, and then the second extension part 123 is connected with the first extension part 113, so that the electric wire 3 is clamped and fixed between the first extension part 113 and the second extension part 123 through the matched connection between the first arc-shaped groove 1131 and the second arc-shaped groove 1231.

Alternatively, as can be appreciated from fig. 1, 2 and 3, the first connection portions 114 are respectively disposed on two sides of the first extension portion 113, the second connection portions 124 corresponding to the first connection portions 114 are respectively disposed on two sides of the second extension portion 123, the first connection portions 114 are provided with the first connection holes 1141, the second connection portions 124 are provided with the second connection holes 1241 corresponding to the first connection holes 1141, and the first connection holes 1141 and the second connection holes 1241 are connected by screws. The coupling between the first coupling part 114 and the second coupling part 124 is made to be tight by the screw so that the coupling between the first extension part 113 and the second extension part 123 is made to be more tight, thereby enabling the both sides of the extension body 10 to be further reinforced and fixed. It should be noted that the above screws and the screws in this paragraph all belong to the common devices for connecting two components in the prior art, and the size, model, etc. of the screws may be set according to actual production requirements, which are not described herein.

Further preferably, as can be appreciated from fig. 1, 2 and 3, the inner wall of the first connecting hole 1141 is provided with a recess 1142, and the bottom of the second connecting hole 1241 is provided with a positioning tube 1242 corresponding to the recess 1142, and the positioning tube 1242 is slidably connected with the recess 1142. Through cooperation connection between positioning tube 1242 and the concave position 1142 to can amalgamate fast between bottom shell 11 and the top shell 12, further improve the convenience of equipment between bottom shell 11 and the top shell 12.

The utility model also provides a lamp, which comprises a lamp body and the deconcentrator, wherein the lamp body is electrically connected with the circuit board 2 of the deconcentrator.

In summary, according to the utility model, the circuit board 2 is placed in the accommodating cavity of the casing 1, the extension body 10 is arranged at one side of the casing 1, one end of the electric wire 3, which is close to the circuit board 2, is arranged in the through hole 110 on the extension body 10, and the expansion glue is injected into the first glue injection groove, so that the electric wire 3 is sealed in the through hole 110, the electric wire 3 is wrapped by the extension body 10, and the electric wire 3 and the encapsulated outlet of the circuit board 2 are prevented from being directly exposed in the air, so that the ageing speed of the encapsulated outlet is reduced, the waterproof effect of the deconcentrator is improved, and the service life of the deconcentrator is greatly prolonged.

It will be understood that equivalents and modifications will occur to those skilled in the art based on the present utility model and its spirit, and all such modifications and substitutions are intended to be included within the scope of the present utility model.

Claims (9)

1. The utility model provides a deconcentrator, includes casing, circuit board and electric wire, be provided with in the casing and hold the chamber, the circuit board sets up hold in the chamber, the electric wire with the circuit board is connected, its characterized in that, one side of casing is provided with the extension body, be provided with a plurality of interval distribution's through-hole on the extension body, the through-hole with hold the chamber intercommunication, the electric wire is close to one end of circuit board is located at least part in the through-hole, encircle on the inner wall of through-hole and be provided with a plurality of interval distribution's first injecting glue groove.

2. The wire divider of claim 1, wherein the housing comprises a bottom shell and a top shell, the bottom shell and the top shell are connected through screws, a first accommodating groove is formed in the bottom shell, a second accommodating groove is formed in the top shell, and the first accommodating groove and the second accommodating groove are spliced to form the accommodating cavity.

3. The wire divider of claim 2, wherein a first annular groove is circumferentially arranged on the outer side of the first accommodating groove, a second annular groove is circumferentially arranged on the outer side of the second accommodating groove, a second glue injection groove is formed by splicing the first annular groove and the second annular groove, and the second glue injection groove is communicated with the first glue injection groove.

4. The wire divider according to claim 2, wherein a supporting portion is provided at a bottom of the first accommodating groove, a plurality of supporting columns are provided at a bottom of the second accommodating groove at intervals, and two sides of the circuit board are respectively abutted against the supporting portion and the supporting columns.

5. The wire divider of claim 2, wherein a first extension is provided on the bottom shell, a second extension is provided on the top shell, and the first extension and the second extension are spliced to form the extension body.

6. The deconcentrator of claim 5, wherein the first extension portion is provided with a plurality of first arc grooves distributed at intervals, the second extension portion is provided with a second arc groove corresponding to the first arc groove, the through holes are formed by splicing the first arc groove and the second arc groove, the inner wall of the first arc groove is provided with a plurality of first grooves distributed at intervals, the inner wall of the second arc groove is provided with a second groove corresponding to the first groove, and the first grooves and the second grooves are spliced to form a first glue injection groove.

7. The wire divider according to claim 6, wherein first connection portions are respectively provided at both sides of the first extension portion, second connection portions corresponding to the first connection portions are respectively provided at both sides of the second extension portion, first connection holes are provided on the first connection portions, second connection holes corresponding to the first connection holes are provided on the second connection portions, and the first connection holes and the second connection holes are connected by screws.

8. The wire divider according to claim 7, wherein a concave position is provided on an inner wall of the first connection hole, and a positioning tube corresponding to the concave position is provided at a bottom of the second connection hole, and the positioning tube is slidably connected with the concave position.

9. A lamp comprising a lamp body and a wire divider according to any one of claims 1-8, said lamp body being electrically connected to a circuit board of said wire divider.