Shunting junction box with waterproof function

By using the matching structure of No. 1 and No. 2 and No. 2 semi-snap ring in the diverting junction box, combined with the rubber pad and sealing plug, a sealing and waterproof mechanism is formed, which solves the problem of rainwater seepage during outdoor use and achieves effective waterproof performance.

CN222775930UActive Publication Date: 2025-04-18SHANGHAI CHANGCE ELECTRONIC SYSTEMS CO LTD
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Patent Information

Application Number
CN202421487294.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-27
Publication Date
2025-04-18
Estimated Expiration
2034-06-27

AI Technical Summary

Technical Problem

When used outdoors, existing shunt junction boxes are prone to damage to the circuit due to rainwater seepage, affecting normal use.

Method used

By adopting a matching structure of No. 1 and No. 2 semi-snap ring in the diverting junction box, a rubber pad and a sealing plug is combined to form a sealing and waterproof mechanism to prevent rainwater from entering the interior of the housing from the terminal and the connecting head.

Benefits of technology

Effectively prevent rainwater from seeping in, ensuring the normal operation and waterproof performance of the junction box when used outdoors.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of junction boxes, and discloses a shunting junction box with a waterproof function, which comprises a shell, a plurality of connectors are embedded in the end face of one side of the shell, and limiting rings are fixedly arranged at the ends, away from the shell, of the outer sides of the connectors. Waterproof mechanisms are fixedly arranged on the outer sides of the multiple connectors through multiple limiting rings, sealing plugs are arranged at the ends, away from the multiple connectors, of the multiple waterproof mechanisms in a clamped mode, a wiring board is fixedly arranged on the inner bottom face of the shell, and the multiple waterproof mechanisms comprise first half clamping rings; second half clamping rings are arranged at the lower ends of the first half clamping rings in a hinged mode. According to the utility model, the first half clamping ring and the second half clamping ring are matched with each other and surround the outer side of the limiting ring, and the clamping block is clamped in the clamping groove, so that the rubber pad is in close contact with the connector and the connector lug, and rainwater can be prevented from entering the shell from the connector lug and the connector.
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Description

Technical Field

[0001] The utility model relates to the technical field of junction boxes, in particular to a shunt junction box with a waterproof function. Background Art

[0002] A shunt junction box is a device used for line branching and connection, usually consisting of a housing and multiple wiring terminals. Its main function is to divide a wire into multiple branches and guide the current from the main wire to each branch wire. Shunt junction boxes are commonly used in various power, lighting, communication and control systems for centralized management and distribution of power, signal and control lines. Due to different usage needs, the junction box will be installed in different locations.

[0003] When connecting common shunt junction boxes, there is usually a certain gap between the wiring head and the connector, which is convenient for directly inserting the wiring head into the connector and then connecting it to the terminal board in the shell. However, when the junction box is installed outdoors, the junction box will be directly exposed to the external environment. In rainy weather, rainwater can easily enter the shell through the gap and damage the circuit, affecting the normal use of the junction box.

[0004] Therefore, those skilled in the art provide a shunt junction box with a waterproof function to solve the problems raised in the above background technology. Utility Model Content

[0005] The utility model aims to solve the shortcomings of the prior art and proposes a shunt junction box with a waterproof function. By matching a No. 1.5 clamping ring and a No. 2.5 clamping ring with each other, the clamping block is clamped into the inside of the clamping slot, and the rubber pad is in close contact with the connector and the wiring head, so as to prevent rainwater from entering the inside of the housing from the wiring head and the connector, and is easy to install and disassemble and convenient to use.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A shunt junction box with waterproof function comprises a shell, a plurality of connectors are embedded in an end surface of one side of the shell, a limiting ring is fixedly arranged at a position away from one end of the shell on the outer side of the plurality of connectors, a waterproof mechanism is fixedly arranged on the outer side of the plurality of connectors through a plurality of limiting rings, a sealing plug is clamped at one end of the plurality of waterproof mechanisms away from the plurality of connectors, and a terminal block is fixedly arranged on the inner bottom surface of the shell;

[0008] The plurality of waterproof mechanisms include uniformly one and a half clamps, the lower ends of the plurality of the one and a half clamps are hingedly provided with a second and a half clamp, the inner sides of the plurality of the second and a half clamps and the plurality of the one and a half clamps are fixedly provided with rubber pads, the lower ends of the plurality of the one and a half clamps are fixedly provided with a protrusion at one side, the inner sides of the plurality of the second and a half clamps are fixedly provided with a tension spring near the plurality of protrusions, the plurality of the tension springs are fixedly provided with a clamping block near the plurality of protrusions, the plurality of the protrusions are provided with a clamping groove near the plurality of the clamping blocks, and the lower end surfaces of the plurality of the clamping blocks are fixedly provided with a lever;

[0009] The upper end surface of the shell is provided with a groove, the upper end surface of the shell is provided with a top cover clamped near the groove, the shell is fixed with a sealing gasket near the groove, and the top cover is provided with a plurality of fastening bolts threadedly sleeved near the groove;

[0010] Through the above technical solution, when wiring, the top cover is removed and the wiring head is placed from the inside of the connector into the wiring board for wiring. The top cover is fixed to the upper side of the shell by tightening bolts. The sealing gasket can prevent external rainwater from penetrating into the inside of the shell from between the top cover and the shell. The No. 1.5 clamping ring and the No. 2.5 clamping ring are matched with each other and connected together through the clamping block and the clamping groove. The rubber pad is in close contact with the connector and the wiring head, which can prevent rainwater from entering the inside of the shell from the wiring head and the connector.

[0011] Furthermore, the plurality of card blocks are respectively connected and arranged at the inner positions of the plurality of card slots;

[0012] Through the above technical solution, the clamping block and the clamping groove can be easily matched with each other, so that the No. 1.5 clamping ring and the No. 2.5 clamping ring are fixed to each other.

[0013] Furthermore, a plurality of the shifting rods are fixedly provided with a shifting block at one end away from the plurality of No. 2 and a half clamping rings;

[0014] Through the above technical solution, pulling the shift block can drive the shift rod to move, which is convenient for using the shift rod.

[0015] Furthermore, a mounting plate is fixedly provided on the lower end surface of the housing;

[0016] Through the above technical solution, the mounting plate is used to mount the housing, which facilitates the fixing of the housing.

[0017] Furthermore, damping rods are fixedly arranged between the plurality of second and half clamping rings and the plurality of clamping blocks near the inner sides of the plurality of tension springs;

[0018] Through the above technical solution, the damping rod can increase the stability of the tension spring during use.

[0019] Furthermore, the plurality of fastening bolts respectively penetrate the top cover and the groove to the inner position of the shell;

[0020] Through the above technical solution, it is convenient to fix the top cover to the upper side of the shell by fastening bolts.

[0021] Furthermore, the plurality of levers are movably arranged with a plurality of second and half clamping rings respectively;

[0022] Through the above technical solution, it is convenient to pull the lever to move inside multiple No. 2 and a half retaining rings.

[0023] The utility model has the following beneficial effects:

[0024] 1. The shunt junction box with waterproof function proposed by the utility model can prevent rainwater from entering the inside of the shell from the connection head and the connector position by matching the one and a half clamp rings and the two and a half clamp rings with each other, the clamping block is clamped into the inside of the clamping slot, and the rubber pad is in close contact with the connector and the wiring head. The waterproof mechanism is sealed with a sealing plug for other connectors that do not need to be wired, thereby effectively preventing rainwater from entering the inside of the shell from the connector position, and achieving effective waterproofing.

[0025] 2. The shunt junction box with waterproof function proposed by the utility model can drive the clamping block to be moved out of the clamping slot by pulling the lever, and separate the No. 1.5 clamping ring and the No. 2.5 clamping ring from each other. During installation, the No. 1.5 clamping ring and the No. 2.5 clamping ring are wrapped around the outside of the limit ring, and the clamping block is clamped into the clamping slot, so that the rubber pad is in close contact with the connector and the wiring head, which is convenient for installation and disassembly of the waterproof mechanism and easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the axial side of the utility model;

[0027] Figure 2 It is a front cross-sectional schematic diagram of the utility model;

[0028] Figure 3 For the utility model Figure 2 A magnified schematic diagram of point A;

[0029] Figure 4 For the utility model Figure 2 An enlarged schematic diagram of point B;

[0030] Figure 5 It is an axial schematic diagram of the waterproof mechanism in the utility model;

[0031] Figure 6 It is a cross-sectional schematic diagram of the waterproof mechanism in the utility model;

[0032] Figure 7 For the utility model Figure 6 Enlarged schematic diagram of point C.

[0033] Legend:

[0034] 1. Casing; 2. Waterproof mechanism; 3. Top cover; 4. Connector; 5. Mounting plate; 6. Fastening bolts; 7. Terminal block; 8. Sealing plug; 9. Groove; 10. Sealing gasket; 11. Limiting ring; 201. One and a half retaining rings; 202. Retaining groove; 203. Rubber pad; 204. Two and a half retaining rings; 205. Bump; 206. Block; 207. Tension spring; 208. Damping rod; 209. Push rod; 210. Push block. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0036] Example

[0037] Reference Figure 1-7 , the utility model provides an embodiment: a shunt junction box with waterproof function, including a shell 1, a plurality of connectors 4 are embedded on one side end surface of the shell 1, the plurality of connectors 4 are used to connect the wiring heads, the wiring heads are not shown in the figure, and a limit ring 11 is fixedly provided at the outer side away from one end of the shell 1, the limit ring 11 is used to limit the position of the waterproof mechanism 2, which is convenient for fixing the waterproof mechanism 2, and the plurality of connectors 4 are fixedly provided with waterproof mechanisms 2 on the outer sides through a plurality of limit rings 11, and the plurality of waterproof mechanisms 2 are clamped and provided with sealing plugs 8 at one end away from the plurality of connectors 4, when wiring is not required, the sealing plug 8 can block the waterproof mechanism 2, thereby preventing water from entering the connector 4 from the position of the waterproof mechanism 2, which can effectively waterproof, and a terminal block 7 is fixedly provided on the inner bottom surface of the shell 1, and the terminal block 7 is used for wiring to guide the current from the main wire to each branch wire;

[0038] The plurality of waterproof mechanisms 2 include uniform one-and-a-half clamping rings 201, and the lower ends of the plurality of one-and-a-half clamping rings 201 are hingedly provided with two-and-a-half clamping rings 204. The one-and-a-half clamping rings 201 cooperate with the two-and-a-half clamping rings 204 to be fixedly clamped to the outside of the connector 4. The rubber pad 203 is in close contact with the connector 4 and the wiring head to seal the connection position to prevent the gap at the connection position from causing rainwater to enter the inside of the housing 1 from the connection position, thereby affecting the use of the junction box. The rubber pads 203 are fixedly provided on the inner sides of the plurality of two-and-a-half clamping rings 204 and the plurality of one-and-a-half clamping rings 201, and a protrusion 205 is fixedly provided on one side of the lower ends of the plurality of one-and-a-half clamping rings 201.

[0039] Tension springs 207 are fixedly arranged inside the multiple second and half clasps 204 near the multiple protrusions 205, and blocks 206 are fixedly arranged at the multiple tension springs 207 near the multiple protrusions 205. A clamping groove 202 is opened at the multiple protrusions 205 near the multiple clamping blocks 206. A lever 209 is fixedly arranged on the lower end surface of the multiple clamping blocks 206. Pulling the lever 209 can make the clamping block 206 move out of the inside of the clamping groove 202, so as to facilitate the separation of the second and half clasps 204 and the first and half clasps 201, so as to facilitate the installation of the wiring head. After the installation is completed, the second and half clasps 204 and the first and half clasps 201 are clamped and fixed together, so as to seal the connection position and effectively waterproof.

[0040] A groove 9 is provided on the upper end surface of the housing 1, and a top cover 3 is provided on the upper end surface of the housing 1 near the groove 9. A sealing gasket 10 is fixedly provided on the housing 1 near the groove 9. The sealing gasket 10 can prevent rainwater from entering the interior of the housing 1 from the gap between the top cover 3 and the housing 1. A plurality of fastening bolts 6 are provided on the top cover 3 near the groove 9. The fastening bolts 6 are used to fix the top cover 3.

[0041] The plurality of clamping blocks 206 are respectively clamped and arranged at the inner positions of the plurality of clamping slots 202, so that the clamping blocks 206 and the clamping slots 202 cooperate with each other, so that the first and a half clamping rings 201 and the second and a half clamping rings 204 are fixed to each other. The plurality of levers 209 are fixedly provided with a clamping block 210 at one end away from the plurality of second and a half clamping rings 204. Pulling the clamping block 210 can drive the lever 209 to move, which is convenient for the use of the lever 209. The lower end surface of the housing 1 is fixedly provided with a mounting plate 5, and the mounting plate 5 is used to install the housing 1, which is convenient for fixing the housing 1.

[0042] A damping rod 208 is fixedly arranged between the multiple No. 2 and a half retaining rings 204 and the multiple blocking blocks 206 near the inner side of the multiple tension springs 207. The damping rod 208 can increase the stability of the tension spring 207 when in use. The multiple fastening bolts 6 respectively penetrate the top cover 3 and the groove 9 to the inner position of the outer shell 1, so that the top cover 3 can be fixed to the upper side of the outer shell 1 by the fastening bolts 6. The multiple levers 209 are respectively movably arranged with the multiple No. 2 and a half retaining rings 204, so that the levers 209 can be pulled to move inside the multiple No. 2 and a half retaining rings 204.

[0043] Working principle: When in use, unscrew the fastening bolts 6 to disassemble the top cover 3 when wiring, separate the No. 1.5 clamping ring 201 and the No. 2.5 clamping ring 204, put the terminal head from the inside of the connector 4 into the terminal board 7 for wiring, clamp the top cover 3 into the groove 9, and fix the top cover 3 to the upper side of the shell 1 through the fastening bolts 6. The sealing gasket 10 can prevent external rainwater from penetrating into the inside of the shell 1 from between the top cover 3 and the shell 1. At the same time, the No. 1.5 clamping ring 201 and the No. 2.5 clamping ring 204 cooperate with each other through the clamping block 206 and the clamping groove 202 to be clamped together. The rubber pad 203 is in close contact with the connector 4 and the terminal head, which can prevent rainwater from entering the inside of the shell 1 from the position of the terminal head and the connector 4. Other connectors 4 that do not need wiring are sealed with sealing plugs 8 to achieve effective waterproofing.

[0044] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A shunt junction box with waterproof function, comprising a housing (1), characterized in that: A plurality of connectors (4) are embedded in an end surface of one side of the housing (1); a limiting ring (11) is fixedly provided on the outer sides of the plurality of connectors (4) at positions away from one end of the housing (1); a waterproof mechanism (2) is fixedly provided on the outer sides of the plurality of connectors (4) via the plurality of limiting rings (11); a sealing plug (8) is clamped and provided on the ends of the plurality of waterproof mechanisms (2) away from the plurality of connectors (4); and a wiring board (7) is fixedly provided on the inner bottom surface of the housing (1); The plurality of waterproof mechanisms (2) comprise uniformly one-size half snap rings (201); the lower ends of the plurality of the one-size half snap rings (201) are hingedly provided with a second-size half snap ring (204); the inner sides of the plurality of the second-size half snap rings (204) and the plurality of the one-size half snap rings (201) are fixedly provided with a rubber pad (203); the lower ends of the plurality of the one-size half snap rings (201) are fixedly provided with a protrusion (205) at one side; the interiors of the plurality of the second-size half snap rings (204) are fixedly provided with a tension spring (207) near the plurality of protrusions (205); the plurality of the tension springs (207) are fixedly provided with a clamping block (206) near the plurality of protrusions (205); the plurality of the protrusions (205) are provided with a clamping groove (202) near the plurality of clamping blocks (206); and the lower end surfaces of the plurality of the clamping blocks (206) are fixedly provided with a shifting rod (209); The upper end surface of the shell (1) is provided with a groove (9), the upper end surface of the shell (1) is provided with a top cover (3) in a position close to the groove (9), the shell (1) is fixedly provided with a sealing gasket (10) in a position close to the groove (9), and the top cover (3) is provided with a plurality of fastening bolts (6) in a threaded sleeve in a position close to the groove (9).

2. The shunt junction box with waterproof function according to claim 1, characterized in that: The plurality of card blocks (206) are respectively card-engaged and disposed at positions inside the plurality of card slots (202).

3. The shunt junction box with waterproof function according to claim 1, characterized in that: A shifting block (210) is fixedly provided at one end of the plurality of shifting rods (209) away from the plurality of second and half clamping rings (204).

4. The shunt junction box with waterproof function according to claim 1, characterized in that: A mounting plate (5) is fixedly arranged on the lower end surface of the housing (1).

5. The shunt junction box with waterproof function according to claim 1, characterized in that: A damping rod (208) is fixedly arranged between the plurality of second-half clamping rings (204) and the plurality of clamping blocks (206) and close to the inner side of the plurality of tension springs (207).

6. The shunt junction box with waterproof function according to claim 1, characterized in that: The plurality of fastening bolts (6) respectively penetrate the top cover (3) and the groove (9) to reach the inner position of the outer shell (1).

7. The shunt junction box with waterproof function according to claim 1, characterized in that: The plurality of shifting rods (209) are movably arranged with the plurality of second and half clamping rings (204) respectively.