FR3099306A3 - Junction box and lamp - Google Patents

Abstract

The present invention can be applied to the technical field of electrical equipment and relates to a connection box and a lamp. The junction box of the present invention includes a first junction assembly and a second junction assembly. The first connection assembly includes a first connection housing and a female terminal disposed at one end of the first connection housing. The first connection housing has a first hollow insulating part. One end of the female terminal is disposed inside the first insulating part. The second connection assembly includes a second connection housing press-fitted with the first connection housing and a male terminal disposed at one end of the second connection housing in proximity to the first connection housing. The second connection housing has a second insulating part configured to fit over and outside the first insulating part. One end of the male terminal near the first connection housing is disposed inside the second insulating part and configured to contact the female terminal and provide the electrical connection to it. By providing the insulating parts wrapped around the connection ends of the male terminal and the female terminal, respectively, the safety problems caused by artificial contact with the terminals can be avoided.

Description

Junction box and lamp

The present invention relates to the technical field of electrical equipment, more particularly a junction box and a lamp.

Technology background

With the development of science and technology, junction boxes are generally used to facilitate the arrangement of cables of lamps and other electrical appliances and to establish an electrical connection between lamps and other electrical appliances. However, in the existing electrical junction box, the terminals are exposed and if a worker does not mount them well, it can lead to contact between the fingers and the terminals which will undoubtedly cause potential safety hazards.

An object of the present invention is to provide a junction box which aims to solve the technical problem of the junction box causing hidden safety risks due to the exposure of the terminals.

The present invention is implemented by providing a junction box which comprises a first junction assembly which comprises a first junction housing and a female terminal disposed at one end of the first junction housing, wherein the first junction housing has a first hollow insulating part and in which one end of the female terminal is arranged inside the first insulating part; and a second connector assembly which includes a second connector housing snap-fitted with the first connector housing, and a male terminal disposed at one end of the second connector housing proximate the first connector housing, wherein the second connector housing has a second insulating part configured to fit over and outside the first insulating part and in which one end of the male terminal in the vicinity of the first terminal housing is disposed inside the second part insulating configured to come into contact against the female terminal and ensure the electrical connection therewith.

In addition, the first connection casing comprises a first upper casing and a first lower casing detachably connected to the first upper casing, in which the first insulating part is disposed on the first upper casing or the first lower casing.

Further, a first quick-release portion is disposed at one end of the first upper casing remote from the second connection assembly, and the first lower casing is provided with a first securing groove corresponding to the first quick-release portion, wherein the first quick-fixing part is assembled by press-fitting with the first fixing groove; and/or a second quick-release part is arranged at one end of the first upper casing close to the second connection assembly and the first lower casing is provided with a second quick-release slot corresponding to the second quick-release portion, in which the second quick-release part is snap-fitted with the second mounting groove.

In addition, the second connection casing comprises a second upper casing and a second lower casing detachably connected to the second upper casing, the second insulating part is arranged on the second upper casing or the second lower casing.

In addition, one end of the remote male terminal of the first connection assembly is provided with a first cup body configured to receive an output cable and a second cup body communicating with the first cup body at an angle, in which the second connection assembly further comprises a screw in threaded connection with a side wall of the second cup body.

Additionally, the second lower housing is provided with a first housing groove configured to receive the end of the remote male terminal of the first connection assembly and a second housing groove communicating with the first housing groove at an angle and corresponding to the exposed screw.

In addition, the female terminal and the first connection housing are molded in one piece.

In addition, the first connector assembly further includes a connector terminal provided inside the first connector housing, the connector terminal is provided with a through hole and one end of the female terminal remote from the second connector assembly. connection is inserted into one end of the through-hole.

In addition, one end of the first terminal housing remote from the female terminal is provided with a first terminal port into which the input cable is inserted and the first terminal housing is provided with a line card slot corresponding to the first connection port. The first connector assembly further includes a wire clamp that is removably connected to the line card slot and the wire clamp is nested with the line card slot to reduce a height of the first connection port.

Another object of the present invention is to provide a lamp which includes the junction box as described above.

The junction box provided by the present invention comprises a first connection assembly and a second connection assembly. The first connector assembly includes a first connector housing and a female terminal disposed at one end of the first connector housing. The first connection housing has a first hollow insulating part and one end of the female terminal is disposed inside the first insulating part. The second connection assembly comprises a second connection housing assembled by pressure fitting with the first connection housing and a male terminal disposed at one end of the second connection housing near the first connection housing. The second connector housing is provided with a second insulating part configured to fit on and outside the first insulating part, one end of the male terminal near the first terminal housing is disposed inside the second insulating part configured to be placed in contact against the female terminal and to ensure the electrical connection with it. By providing insulating parts wrapped around the connecting ends of the male and female terminal, it is possible to avoid safety problems caused by artificial contact with the terminals.

Brief description of figures

Drawings necessary in the embodiment or in the description of the prior art will be briefly described below in order to more clearly illustrate the technical solutions in the embodiments of the present invention. Obviously, the drawings in the following description are only embodiments of the present invention and the person skilled in the art can obtain other drawings based on these drawings without particular creative effort.

is a schematic perspective structural view of a junction box according to one embodiment of the present invention;

is a schematic perspective structural view of the junction box according to one embodiment of the present invention after removal of the first upper casing and the second upper casing;

is a schematic exploded view of the junction box according to one embodiment of the present invention;

is a schematic structural elevational view of the junction box according to one embodiment of the present invention; and

is a schematic cross-sectional structural view taken along direction AA of Figure 4.

Listing from references :

1-first connection set; 11-first connecting housing; 111-first upper crankcase; 1111-first quick release part; 1112-second fixing groove; 1113-third fixing groove; 112-first lower crankcase; 1121-first fixing groove; 1122-second quick release part; 1123-first fixing part; 1124-first insulating part; 1125-lines card slot; 12-first connection port; 13-terminal female; 131-third body in bucket; 14-terminal connector; 141-through hole; 15-line clamp element; 16-first connection bar; 17-second connection bar; 2-second set of connection; 21-second connecting housing; 211-second upper crankcase; 2111-third part of quick release; 2112-body; 2113-hook; 2114-compression part; 212-second lower crankcase; 2121-second insulating part; 2122-first housing groove; 2123-second housing groove; 22-terminal male; 221-first bucket body; 222-second bucket body; 223-elastic protrusion; 31-input cable; 32-output cable.

Description of embodiment(s)

The present invention will be described in more detail with the accompanying drawings and embodiments in order to more clearly illustrate the technical solutions and the advantages of the present invention. It should be understood that the specific embodiments described herein are only exemplary of the present invention and are not intended to limit the present invention.

It should be noted that where an item is referred to as being "fixed" or "installed" on another item, it may be directly or indirectly on the other item. When an item is designated as being “related to” another item, it may be directly or indirectly related to that other item. The terms "upper", "lower", "left", "right", etc. indicate orientation or relative position and are based on the orientation or relative position shown in the drawings, only for the purpose of description, not to indicate or imply that the device or the elements mentioned must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot limit the present invention. The terms "first" and "second" are used for descriptive purposes only and should not be taken to indicate or imply relative importance or to indicate implicitly the number of technical characteristics. Unless otherwise stated, the meaning of "plurality" is two or more.

In order to illustrate the technical solutions of the present invention, the following detailed description is made with reference to the specific drawings and embodiments.

Referring to figures 1 to 3, an embodiment of the present invention provides a junction box which comprises a first connection assembly 1 and a second connection assembly 2.

The first connection assembly 1 comprises a first connection housing 11 and a female terminal 13 disposed at one end of the first connection housing 11, in which the first connection housing 11 has a first hollow insulating part 1124 and in which one end of the female terminal 13 is placed inside the first insulating part 1124.

The second connection assembly 2 is arranged on one side of the first connection assembly 1. The second connection assembly 2 comprises a second connection housing 21 assembled by pressure fitting with the first connection housing 11 and a male terminal 22 disposed at one end of the second connector housing 21 near the first connector housing 11, the second connector housing 21 has a second insulating part 2121 configured to removably fit on and outside the first insulating part 1124 and one end of the male terminal 22 close to the first connection housing 11 arranged inside the second insulating part 2121 and used to come into contact against the female terminal 13 and establish electrical contact with it, the end of the male terminal 22 corresponding to the second insulating part 2121 is in contact with the end of the female terminal 13 corresponding to the first insulating part 1124. In this embodiment on, the end of the male terminal 22 corresponding to the second insulating part 2121 is inserted into the end of the female terminal 13 corresponding to the first insulating part 1124, thus establishing an electrical connection.

In this embodiment, the first connection assembly 1 comprises three female terminals 13 arranged at given intervals and corresponding to voltage, neutral and ground cables respectively and corresponding to each female terminal 13, the first connection housing 11 is provided a first insulating part 1124. Similarly, the second connection assembly 2 comprises three male terminals 22 arranged at given intervals and corresponding to the voltage, neutral and ground cables respectively and corresponding to each male terminal 22, the second casing connection 21 is provided with a second insulating part 2121. It should be understood that the number of female terminal 13, first insulating part 1124, male terminal 22 and second insulating part 2121 can be modified appropriately depending on the actual needs, so that the number of female terminal 13, first insulating part 1124, male terminal 22 and second insulating part 2121 can be two x or more than three, respectively, not limited to these numbers.

The junction box of an embodiment of the present invention comprises a first connection assembly 1 and a second connection assembly 2 disposed on one side of the first connection assembly 1. The first connection assembly 1 comprises a first connection 11 and a female terminal 13 disposed at one end of the first connection housing 11. The first connection housing 11 has a first hollow insulating part 1124 and one end of the female terminal 13 is disposed inside the first insulating part 1124. The second connection assembly 2 comprises a second connection housing 21 assembled by pressure fitting with the first connection housing 11 and a male terminal 22 disposed at one end of the second connection housing 21 near the first connection housing 11 The second connector housing 21 has a second insulating part 2121 configured to wrap the exterior of the first insulating part 1124, one end of the terminal e male 22 close to the first connection housing 11 is arranged inside the second insulating part 2121 and the end of the female terminal 13 inside the corresponding first insulating part 1124 is in contact with the end of the male terminal 22 inside the corresponding second insulating part 2121 . By providing the insulating parts to be wrapped around the connection ends of the male terminal and the female terminal, respectively, it is possible to avoid safety problems caused by artificial contact with the terminals.

In one embodiment of the present invention, the first connection housing 11 comprises a first upper housing 111 and a first lower housing 112 detachably connected to the first upper housing 111. In this embodiment, the first insulating part 1124 is disposed at one end of the first lower casing 112 close to the second connection casing 21. It will be understood that depending on the selection of the actual situation, the first insulating part 1124 can also be disposed at one end of the first upper casing 111 close to the second connection housing 21, which is not limited here.

Alternatively, the removable connection between the first upper housing 111 and the first lower housing 112 may be, but is not limited to, a snap-fit connection. In a specific embodiment of the first connection assembly 1, the end of the first upper casing 111 at a distance from the second connection assembly 2 is provided with a first quick fixing part 1111 and the first lower casing 112 is provided with a first fixing groove 1121 corresponding to the first quick fixing part 1111, in which the first quick fixing part 1111 is assembled by snap fitting with the first fixing groove 1121; and/or the end of the first upper casing 111 close to the second connection assembly 2 is provided with a second quick fixing part 1122, the first lower casing 112 is provided with a second fixing groove 1112 corresponding to the second quick-fixing part 1122 and the second quick-fixing part 1122 is press-fitted with the second fixing groove 1112, thereby performing the press-fitted connection between the first upper case 111 and the first lower case 112. As As shown in Fig. 3, in this embodiment, the number of first quick-fixing parts 1111 and the number of first fixing grooves 1121 may be, but not limited to, three, and the number of second quick-fixing part 1122 and the number of second fixing groove 1112 may be, but not limited to, two.

In one embodiment of the present invention, the first connection assembly 1 further comprises a connector terminal 14 disposed inside the first connection housing 11 and corresponding to each female terminal 13, the connector terminal 14 is provided of a through-hole 141. One end of the remote female terminal 13 of the second connection assembly 2 is inserted into the through-hole 141 at one end and at the other end of the through-hole 141, an input cable 31 can be inserted inside. The input cable 31 can specifically be a voltage cable, a neutral cable and a ground cable. During installation, the lead wire 31 is inserted into the through hole 141 of the connector terminal 14 and comes into contact with the end of the female terminal 13 remote from the second connection assembly 2, thus establishing the connection. electric.

Specifically, one end of the first lower casing 112 close to the second connection assembly 2 is provided with a first attachment part 1123. The first attachment part 1123 extends towards the second connection assembly 2 to form a first insulating part 1124 and the female terminal 13 is fixed on the first fixing part 1123, in which the end of the female terminal 13 near the second connection assembly 2 is arranged inside the first insulating part 1124 and wherein the end of the female terminal 13 remote from the second connection set 2 is exposed on the side of the first fixing part 1123 remote from the second connection set 2 so that the end of the female terminal 13 at distance of the second connection assembly 2 can be inserted on the connector terminal 14.

In this embodiment, one end of the female terminal 13 at a distance from the second connection assembly 2 forms a form of interference with the corresponding through hole 141 for fixing the connector terminal 14. It will be understood that depending on the actual situation, the connector terminal 14 can be arranged on the first lower case 112 using screws, but not limited to this.

Specifically, the two second quick-fixing parts 1122 on a surface of the first fixing part 1123 near the first upper case 111 are arranged separately from each other, and the first upper case 111 is provided with two second fixing grooves 1112 arranged separately from each other, in which each second quick-fixing part 1122 is press-fitted with the corresponding second fixing groove 1112.

It should be noted that, in the embodiment of the present invention, the female terminal 13 and the first lower casing 112 are molded in one piece. Specifically, the prepared female terminal 13 is placed in a mold of the corresponding first lower casing 112. It is then filled with injection molding material, cooled and solidified to obtain the first lower casing 112 integrated with the female terminal 13 which has a lower manufacturing cost than the existing junction box.

It should be understood that in the junction box of the embodiment of the present invention, the first junction box 11 can be assembled without screws and after assembly it may not be possible to disassemble it by hand. , the disassembly then being carried out only with tools, and this in a simple way. For example, the hook can be dismantled from the corresponding fixing groove with a flat screwdriver, thus making it possible to disassemble the first upper casing 111 and the first lower casing 112. Compared to the existing junction box, the assembly process is simplified. , labor cost is reduced and assembly efficiency is improved.

In one embodiment of the present invention, the second connection housing 21 comprises a second upper housing 211 and a second lower housing 212 detachably connected to the second upper housing 211. In this embodiment, the second insulating part 2121 is disposed at one end of the second lower casing 212 close to the first lower casing 112 and the second lower casing 212 can be disposed on the second upper casing 211 using screws. It can be understood that, depending on the actual situation, the second upper casing 211 and the second lower casing 212 may be detachably connected by other means, and the second insulating part 2121 may also be provided on the end of the second upper casing 211 close to the first upper casing 111 which is not limited here.

Specifically, the end of the second upper casing 211 near the first connection assembly 1 is provided with a third quick fixing part 2111. The first upper casing 111 is provided with a third fixing groove 1113 corresponding to the third quick-fixing part 2111. The third quick-fixing part 2111 is snap-fitted with the third fixing groove 1113. As the first insulating part 1124 is inserted into the second insulating part 2121 and the end of the male terminal 22 close to the first connection assembly 1 is inserted into the end of the female terminal 13 close to the second connection assembly 2, the third quick-fixing part 2111 is assembled by pressure fitting with the third groove of fixing 1113, so as to establish a stable connection between the first upper casing 111 and the second upper casing 211.

In addition, the third quick fastening part 2111 comprises a body 2112 extending in the direction of the first connection assembly 1 and a hook 2113 fitted into the third fastening groove 1113. The hook 2113 is formed by one end of the body 2112 at close to the first connection assembly 1 extending in a direction away from the second lower casing 212. In order to facilitate the dismantling of the first connection casing 11 and the second connection casing 21, a compression part 2114 can be arranged on the third quick-release part 2111, in particular, more specifically, arranged on a side surface of the body 2112 at a distance from the second lower casing 212. When the compression part 2114 is pressed, the hook 2113 is disengaged from the third fixing groove 1113, while when pulling the second connection casing 21 in a direction away from the first connection casing 11, the first connection casing 11 and the second connection housing 21 can then be separated.

In one embodiment of the present invention, as illustrated in Figures 4 and 5, the end of the male terminal 22 remote from the first connection assembly 1 is provided with a first cup body 221 to receive a output cable 32 and a second cup body 222 is disposed at one side of the first cup body 221 close to the second upper casing 211 and communicating with the first cup body 221 at an angle. The angle between the second cup body 222 and the first cup body 221 is preferably 90 degrees. The second connection assembly 2 further comprises a screw threadedly connected to a side wall of the second cup body 222. Once the end of the output cable 32 has been inserted into the first cup body 221, by turning the screw, a shank section of the screw may extend into the second cup body 222 and then press against the end of the output cable 32, thereby making an electrical connection between the output cable 32 and the male terminal 22 and a corresponding fixing .

Specifically, the second lower casing 212 is provided with a first housing groove 2122 to receive the end of the male terminal 22 remote from the first connection assembly 1 and a second housing groove 2123 disposed at one side of the first housing groove 2122 near the second upper case 211 and communicating with the first housing groove 2122 at an angle. The second housing groove 2123 corresponds to the exposed screw, thus facilitating rotation of the screw by a screwdriver. The angle between the second housing groove 2123 and the first housing groove 2122 is preferably 90 degrees, wherein the length of a portion of the male terminal 22 disposed within the first housing groove 2122 in an axial direction of the male terminal 22 is greater than the diameter of the second housing groove 2123. A screw head of the screw threadedly connected to a second cup body 222 is positioned in the second housing groove 2123, so that the male terminal 22 can be disposed on the second lower casing 212. In this embodiment, the second insulating part 2121 is disposed at the level of the side of the first housing groove 2122 close to the first connection assembly 1 and the end of the male terminal 22 near the second connection assembly 2 passes through the bottom wall of the second housing groove 2123 and then extends inside the second insulating part 2121.

In one embodiment of the present invention, the end of the male terminal 22 close to the first connection set 1 has a resilient projection 223 and the end of the female terminal 13 close to the second connection set 2 is provided of a third cup body 131. The elastic protrusion 223 protrudes in the third cup body 131 to form an interference shape with the third cup body 131, so that the male terminal 22 and the female terminal 13 can be stably connected.

In one embodiment of the present invention, the end of the first connection housing 11 remote from the female terminal 13 is provided with a first connection port 12 into which the input cable 31 is inserted. The first connection port 12 is formed after the first upper case 111 and the second upper case 211 are combined together. The first connection housing 11 is provided with a line card slot 1125 corresponding to the first connection port 12 and the first connection assembly 1 further comprises a wire clamp 15 detachably connected to the line card slot. 1125 line card slot. The height of the first connection port 12 can be reduced when the wire clamp 15 is attached to the 1125 line card slot, to accommodate the flat 31 lead-in cable used in the United Kingdom. United. When the wire clamp 15 is not attached to the line card slot 1125, the height of the first connection port 12 is relatively large and can be adapted to the thicker 31 input cable used in France. The junction box of the embodiment of the present invention is therefore practical and has a wide range of applications. In this embodiment, the line card slot 1125 is arranged on the first lower case 112, and depending on the actual situation, the line card slot 1125 may also be arranged on the first upper case 111 which is not not limited here.

Preferably, in order to allow the injection molding of the first upper casing 111 and of the first lower casing 112 with the same mold and to reduce a mold cost, a first thinner connection bar 16 can be placed between the first upper casing 111 and the first lower case 112. Two ends of the first connecting bar 16 are respectively connected to the first upper case 111 and the first lower case 112. Since the first connecting bar 16 is thin, the first connecting bar 16 can easily be bent. The first connecting bar 16 can be U-shaped as the first upper casing 111 is attached to the first lower casing 112.

The first connector housing 11 and the female terminal 13 of the embodiment of the present invention constitute a one-piece molded product. During the manufacture of the first connector housing 11, the prepared female terminal 13 is placed in the mold of the corresponding first connector housing 11 and then the injection molding material is fed, cooled and solidified to obtain the first connector housing 11 integrated with the female terminal 13 which has a lower manufacturing cost than the existing junction boxes.

Similarly, in order to allow the wire clamp 15 and the first lower housing 112 to be injection molded with the same mold and to reduce the cost of the mold, a second, thinner connector bar 17 can be disposed between the clamp member 15 and the first lower case 112. Two ends of the second connecting bar 17 are connected to the wire clamp member 15 and the first lower case 112 respectively. Since the second connection bar 17 is thin, the second connection bar 17 can easily be bent. The second connection bar 17 can be U-shaped as the wire clamp 15 is attached to the first lower case 112.

An embodiment of the present invention further relates to a lamp which includes the junction box as described above.

The foregoing descriptions are simply alternate embodiments of the present invention and are not intended to limit the present invention. Any modification, equivalent replacement and improvement made within the spirit and principle of the present invention shall be understood as falling within the scope of protection of the present invention.

Claims (10)

Junction box, comprising:
a first connection set, comprising:
a first connection housing; and
a female terminal arranged at one end of the first connection housing;
wherein the first connection housing has a first hollow insulating part and wherein one end of the female terminal is disposed inside the first insulating part; and
a second connection assembly, comprising:
a second connection housing assembled by pressure fitting with the first connection housing; and
a male terminal arranged at one end of the second connection housing close to the first connection housing;
wherein the second connector housing has a second insulator portion configured to fit over and outside the first insulator portion and wherein one end of the male terminal near the first connector housing is disposed within of the second insulating part and configured to be placed in contact against the female terminal and to ensure the electrical connection with it. Junction box according to Claim 1, in which the first connection casing comprises a first upper casing and a first lower casing detachably connected to the first upper casing and in which the first insulating part is disposed on the first upper casing or the first lower case. Junction box according to claim 2, in which a first quick fixing part is disposed at one end of the first upper casing remote from the second connection assembly and in which the first lower casing is provided with a first fixing groove corresponding to the first quick-release portion and wherein the first quick-release portion is snap-fitted with the first attachment groove;
and or
a second quick-fixing part is disposed at one end of the first upper case near the second connection assembly, and the first lower case is provided with a second fixing groove corresponding to the second quick-fixing part, wherein the second quick-release portion is snap-fitted with the second attachment groove. Junction box according to Claim 1, in which the second connection casing comprises a second upper casing and a second lower casing detachably connected to the second upper casing and in which the first insulating part is disposed on the second upper casing or the second lower case. A junction box according to claim 4, wherein one end of the remote male terminal of the first connection assembly is provided with a first cup body configured to receive an output cable and in which a second cup body is configured to communicating with the first cup body at an angle and wherein the second connection assembly further includes a screw in threaded connection with the side wall of the second cup body. A junction box according to claim 5, wherein the second lower housing is provided with a first housing groove configured to receive the end of the remote male terminal of the first connection assembly and a second housing groove configured to communicate with the first housing groove being at an angle and corresponding to the exposed screw. Junction box according to any one of claims 1 to 6, in which the female terminal and the first connection housing are molded in one piece. Junction box according to any one of claims 1 to 6, in which the first connection assembly further comprises a connector terminal disposed inside the first connection housing, in which the connector terminal is provided with a through hole and wherein one end of the remote female terminal of the second connection assembly is inserted into one end of the through hole. A junction box according to any one of claims 1 to 6, wherein one end of the first connection housing remote from the female terminal is provided with a first connection port into which the lead-in cable is inserted, in which the first connector housing is provided with a line card slot corresponding to the first connector port and wherein the first connector assembly further comprises a wire clamp removably connected to the line card slot and wherein the wire clamp is snap fit with the line card slot to reduce a height of the first connection port. Lamp, comprising the junction box according to any one of claims 1 to 9.