Handle type cable junction box

By designing the engagement structure between the sealing ring and the slot in the handle-type cable junction box, combining the design of the rotary joint column and sealing gasket, the deformation arc plate and soft rubber ring are used to achieve comprehensive sealing of the cable joint, which solves the problem of non-sealing of the joint in the prior art, and improves the waterproof and dustproof performance and service life of the cable.

CN222547118UActive Publication Date: 2025-02-28ZHEJIANG ZHULANG ELECTRIC CO LTD
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Patent Information

Application Number
CN202421052312.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-15
Publication Date
2025-02-28
Estimated Expiration
2034-05-15

AI Technical Summary

Technical Problem

The existing handle-type cable junction boxes cannot seal the cable joints after use, and are susceptible to external dust and moisture, resulting in high cable failure rate and short service life.

Method used

By designing the sealing ring on the upper surface of the lower shell of the junction box and the slit on the lower surface of the upper shell, the connecting bolts are connected with the rotary joint column, the sealing gasket squeezes the raised rotary joint seat, and the deformation arc sheet and soft rubber ring are used to achieve a comprehensive seal.

Benefits of technology

It realizes comprehensive sealing of cable connectors, ensures waterproof and dustproof function, reduces the failure rate of cable use, and extends the service life.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a handle type cable junction box which comprises a junction box lower shell and a junction box upper shell, a sealing ring protruding upwards is formed on the upper surface of the junction box lower shell, an upward clamping groove is formed in the lower surface of the junction box upper shell, and the sealing ring can be inserted into the clamping groove. A clamping groove is formed in the junction box lower shell, a rubber ring with the same shape as the clamping groove is laid in the clamping groove, a screwing column is formed on the bottom wall of the junction box lower shell, a protruding screwing base corresponding to the screwing column in position is formed on the upper surface of the junction box upper shell, a connecting bolt is arranged on the protruding screwing base in a penetrating mode, and a sealing gasket is arranged on the connecting bolt in a sleeving mode. The device can realize comprehensive sealing, ensures water and dust prevention, reduces the use failure rate of the cable, and prolongs the service life.
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Description

Technical Field

[0001] The utility model relates to the field of handle type cable junction boxes, in particular to a handle type cable junction box. Background Art

[0002] The junction box is used for the joint of wires. It is a transitional tool. The wire tube is connected to the junction box. The wires in the wire tube are connected in the junction box to protect and connect the wires. When the junction box in some areas is in use, due to the requirements of the installation environment of the junction box, the junction box needs to prevent dirt from invading the inside of the junction box and ensure good electrical contact performance. The junction box needs to be waterproof and dustproof.

[0003] For example, a handle-type cable junction box disclosed in the utility model with the authorization announcement number CN212627007U includes an insulating shell, a stop plate, a conductor, and a rotating handle, wherein an electrical chamber and a slide groove are provided in the insulating shell, and a limit step is provided on the wall of the slide groove; the conductor includes a fixed end and a free end, and the free end can automatically abut the end of the free end under the stop plate under the action of elastic force when in a free state; the rotating handle includes a pull part and two control claws slidably arranged in the slide groove, and each control claw is provided with a control surface matched with the free end of the conductor and a limit surface matched with the limit step of the corresponding slide groove. Through the combination of the limit surface and the limit step, and the combination of the control surface and the free end of the conductor, the rotating handle is rotated, and there is no need to set a pivot structure between the handle and the insulating shell. The overall structure is simple, the production and manufacturing process is simple, the manufacturing cost is low, and the assembly is very convenient and quick. However, after the device completes the wiring, the cable joint cannot be placed in a sealed space, and it is easily affected by external dust and moisture. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, the utility model provides a handle type cable junction box, which is designed to have a sealing ring on the upper surface of the lower shell of the junction box and a card slot on the lower surface of the upper shell of the junction box, so that the sealing ring presses against the rubber ring in the card slot, and the connecting bolt is screwed with the screw-in column to connect and fix the lower shell of the junction box and the upper shell of the junction box. At the same time, the sealing gasket squeezes the protruding screw-in seat, and the known fixing nuts on the left and right sides are screwed with the incoming line end to squeeze the deformed arc piece, so that the outer side of the soft rubber ring is tightly attached to the deformed arc piece, and the inner side of the soft rubber ring is tightly attached to the cable, so as to achieve comprehensive sealing, ensure waterproof and dustproof, reduce the failure rate of cable use, and extend the service life.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a handle-type cable junction box, comprising a junction box lower shell and a junction box upper shell, the upper surface of the junction box lower shell is formed with an upwardly protruding sealing ring, the lower surface of the junction box upper shell is provided with an upward card slot, the sealing ring can be inserted into the card slot, the card slot is covered with a rubber ring of the same shape as the sealing ring, a screw-on column is formed on the bottom wall of the junction box lower shell, and a raised screw-on seat corresponding to the position of the screw-on column is formed on the upper surface of the junction box upper shell, a connecting bolt is passed through the raised screw-on seat, and a sealing gasket is sleeved on the connecting bolt.

[0006] As a preferred technical solution of the utility model, the sealing gasket is located above the raised screw-on seat.

[0007] As a preferred technical solution of the utility model, the left and right side walls of the lower shell of the junction box are formed with inlet terminals, the rear end of the inlet terminals is provided with threads, and the front end of the inlet terminals is formed with a deformable arc piece.

[0008] As a preferred technical solution of the utility model, a soft rubber ring is arranged inside the line inlet end.

[0009] As a preferred technical solution of the utility model, a fixing nut is screwed onto the outer side of the inlet end, the rear end of the fixing nut can be screwed together with the rear end of the outlet end, and the front end of the fixing nut can squeeze the deformed arc-shaped sheet.

[0010] As a preferred technical solution of the utility model, a wiring terminal is fixed on the bottom wall of the lower shell of the junction box.

[0011] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0012] The sealing ring on the upper surface of the lower shell of the junction box is designed to engage with the slot on the lower surface of the upper shell of the junction box, so that the sealing ring presses against the rubber ring in the slot, and the connecting bolts are screwed together with the screw-in column to connect and fix the lower shell of the junction box and the upper shell of the junction box. At the same time, the sealing gasket squeezes the raised screw-in seat, and the metric fixing nuts on the left and right sides are screwed together with the incoming line end to squeeze the deformed arc piece, so that the outer side of the soft rubber ring is tightly attached to the deformed arc piece, and the inner side of the soft rubber ring is tightly attached to the cable, so as to achieve comprehensive sealing, ensure waterproof and dustproof, reduce the failure rate of cable use, and extend the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the main view structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the card slot structure of the utility model;

[0016] Figure 4 This is a schematic diagram of the sealing ring structure of the utility model;

[0017] Among them: 1. Junction box lower shell; 2. Sealing ring; 3. Junction box upper shell; 4. Card slot; 5. Inlet terminal; 6. Soft rubber ring; 7. Fixing nut; 8. Wiring terminal; 9. Screw-on column; 10. Raised screw-on seat; 11. Connecting bolt; 12. Sealing gasket. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the present invention.

[0019] Example

[0020] Please refer to Figure 1 - Figure 4 As shown, the utility model provides a handle type cable junction box, including a junction box lower shell 1 and a junction box upper shell 3. The left and right side walls of the junction box lower shell 1 are formed with inlet terminals 5, the rear end of the inlet terminals 5 is provided with threads, the front end of the inlet terminals 5 is formed with a deformable arc-shaped piece, a soft rubber ring 6 is arranged inside the inlet terminals 5, a fixing nut 7 is screwed on the outside of the inlet terminals 5, the rear end of the fixing nut 7 can be screwed with the rear end of the inlet terminal, the front end of the fixing nut 7 can squeeze the deformable arc-shaped piece, and a terminal 8 is fixed on the bottom wall of the junction box lower shell 1;

[0021] When connecting the cable, take out the appropriate cable, first put the fixing nut 7 on the cable, then put the soft rubber ring 6 on the cable, and then insert the cable with the soft rubber ring 6 from the incoming line terminal 5, and connect the cable to the wiring terminal 8. After the connection is completed, turn the fixing nut 7, the fixing nut 7 is screwed together with the incoming line terminal 5, and the deformed arc sheet is squeezed, so that the outer side of the soft rubber ring 6 is tightly attached to the deformed arc sheet, and the inner side of the soft rubber ring 6 is tightly attached to the cable;

[0022] like Figure 1 - Figure 4 As shown, a sealing ring 2 protruding upward is formed on the upper surface of the lower shell 1 of the junction box, and an upward card slot 4 is opened on the lower surface of the upper shell 3 of the junction box. The sealing ring 2 can be inserted into the card slot 4, and the card slot 4 is paved with a rubber ring of the same shape as the sealing ring 2. A screw-on column 9 is formed on the bottom wall of the lower shell 1 of the junction box, and a protruding screw-on seat 10 corresponding to the position of the screw-on column 9 is formed on the upper surface of the upper shell 3 of the junction box. A connecting bolt 11 is passed through the protruding screw-on seat 10, and a sealing gasket 12 is sleeved on the connecting bolt 11. The sealing gasket 12 is located above the protruding screw-on seat 10;

[0023] When the lower housing 1 of the junction box is connected to the upper housing 3 of the junction box, the sealing ring 2 on the upper surface of the lower housing 1 of the junction box is engaged with the card slot 4 on the lower surface of the upper housing 3 of the junction box, so that the sealing ring 2 is pressed against the rubber ring in the card slot 4, and the connecting bolts 11 are screwed with the screwing column 9 to connect and fix the lower housing 1 of the junction box and the upper housing 3 of the junction box, and the sealing gasket 12 squeezes the protruding screwing seat 10 to complete the sealing here;

[0024] Specific working principle:

[0025] When using the device, take out the appropriate cable, first put the fixing nut 7 on the cable, then put the soft rubber ring 6 on the cable, and then insert the cable with the soft rubber ring 6 from the incoming line terminal 5, and connect the cable to the wiring terminal 8. After the connection is completed, twist the fixing nut 7, and the fixing nut 7 is screwed together with the incoming line terminal 5 to squeeze the deformed arc piece, so that the outer side of the soft rubber ring 6 is tightly attached to the deformed arc piece, and the inner side of the soft rubber ring 6 is tightly attached to the cable, and then the sealing ring 2 on the upper surface of the lower shell 1 of the junction box is engaged with the groove 4 on the lower surface of the upper shell 3 of the junction box, so that the sealing ring 2 is pressed against the rubber ring in the groove 4, and the connecting bolt 11 is screwed together with the screwing column 9 to connect and fix the lower shell 1 of the junction box and the upper shell 3 of the junction box, and the sealing gasket 12 squeezes the raised screwing seat 10 to complete the sealing.

[0026] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A handle type cable junction box, comprising a junction box lower housing (1) and a junction box upper housing (3), characterized in that: The upper surface of the lower shell (1) of the junction box is formed with a sealing ring (2) protruding upwards, the lower surface of the upper shell (3) of the junction box is provided with a slot (4) protruding upwards, the sealing ring (2) can be inserted into the slot (4), the slot (4) is provided with a rubber ring of the same shape as the sealing ring, a screw-on column (9) is formed on the bottom wall of the lower shell (1) of the junction box, and the upper surface of the upper shell (3) of the junction box is formed with a protruding screw-on seat (10) corresponding to the position of the screw-on column (9), a connecting bolt (11) is passed through the protruding screw-on seat (10), and a sealing gasket (12) is sleeved on the connecting bolt (11).

2. A handle type cable junction box according to claim 1, characterized in that: The sealing gasket (12) is located above the raised screw-on seat (10).

3. The handle type cable junction box according to claim 1, characterized in that: The left and right side walls of the lower shell (1) of the junction box are formed with an inlet terminal (5), a thread is provided at the rear end of the inlet terminal (5), and a deformable arc-shaped piece is formed at the front end of the inlet terminal (5).

4. A handle type cable junction box according to claim 3, characterized in that: A soft rubber ring (6) is arranged inside the line inlet end (5).

5. The handle type cable junction box according to claim 3, characterized in that: A fixing nut (7) is screwed onto the outer side of the inlet end (5), the rear end of the fixing nut (7) can be screwed onto the rear end of the outlet end, and the front end of the fixing nut (7) can squeeze the deformed arc-shaped sheet.

6. The handle type cable junction box according to claim 1, characterized in that: A wiring terminal (8) is fixed on the bottom wall of the lower housing (1) of the junction box.

Citation Information

Patent Citations

  • Handle type cable junction box

    CN212627007U