Connector lug connector

By designing the upper and lower arc-shaped clamping parts and the terminal connectors of the adjustment bolts in the junction box, the problems of inconvenient connection and insufficient firmness of the existing junction box are solved, and a fast and firm dual-pipe connection is achieved. Extend equipment life and reduce costs.

CN222168848UActive Publication Date: 2024-12-13ZHEJIANG TENGZE ELECTRIC CO LTD
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Patent Information

Application Number
CN202420894245.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-28
Publication Date
2024-12-13
Estimated Expiration
2034-04-28

AI Technical Summary

Technical Problem

The existing junction box quick connectors are inconvenient to connect, the cost is high and the firmness is limited, making it difficult to connect two pipes at the same time, and the plastic parts are prone to aging and rupture, affecting the stability of use.

Method used

Design a metal terminal connector including upper and lower curved clamping parts, which are snapped in the junction box through these components and are equipped with a plastic connection protective cover and elastic sheet, and combines adjustment bolts to achieve a fast and firm Double-line connection.

Benefits of technology

It realizes fast and firm dual-pipe connection, reduces installation costs and use risks, extends equipment life, and improves connection stability and use effect.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222168848U_ABST
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Abstract

The utility model discloses a connector lug connector, which comprises a main shell made of metal, the main shell comprises a bottom plate, side baffles extending upwards and outwards obliquely are formed on the left side and the right side of the bottom plate, a rear wall plate extending upwards and vertically is formed at the rear end of the bottom plate, and an upper cover plate extending forwards is formed on the front side wall of the top of the rear wall plate. Two connecting through holes are formed in the rear wall plate; an upper arc-shaped clamping part is formed in the middle of the front end face of the upper cover plate, a lower arc-shaped clamping part is formed in the middle of the front end face of the bottom plate, and the upper arc-shaped clamping part and the lower arc-shaped clamping part correspond to each other up and down; the upper arc-shaped clamping part and the lower arc-shaped clamping part are inserted into the wiring hole of the junction box, and are clamped in the junction box through the upper limiting part and the lower limiting part, so that the connecting piece is quick and convenient to install, firm in connection, not easy to damage, long in service life, capable of connecting two pipelines, convenient to connect and install and good in using effect, and metal connection is adopted.
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Description

Technical field:

[0001] The utility model relates to the technical field of pipeline connection equipment, and more specifically to a wiring head connector. Background technology:

[0002] Junction boxes are used to connect various wires in various buildings. In buildings, they are set up by pre-buried pipes and are used for wiring and wiring projects of various power switches and power supply pipelines required in buildings. It is required to complete the line connection conveniently and quickly and ensure the smooth flow of the line.

[0003] The quick connectors of the junction boxes used in the prior art are generally fixed by inserting one end into the box body, and the existing quick connectors can generally only connect one pipeline. When two pipelines need to be connected to the junction box, two connection holes need to be set in the junction box and two quick connectors need to be installed, which is costly and troublesome to process, and the effect is not ideal.

[0004] At the same time, the existing quick connector generally has a plastic part at one end that is quickly snapped into the connection hole of the junction box by plastic deformation, and its firmness is limited. After a long period of use, the plastic part is prone to aging and cracking, affecting the stability of use. Utility model content:

[0005] The purpose of the utility model is to provide a terminal connector to address the deficiencies of the prior art. The utility model adopts an upper arc-shaped clamping portion and a lower arc-shaped clamping portion to be inserted into the wiring hole of the junction box, and is clamped in the junction box through an upper limit portion and a lower limit portion. The installation is fast and convenient, and the metal connection is adopted. The connection is firm, not easy to be damaged, and has a long service life. Moreover, the utility model can connect two pipelines, and the connection and installation are convenient and the use effect is good.

[0006] The technical solutions of the utility model are as follows:

[0007] A terminal connector, comprising a main housing made of metal, the main housing comprising a bottom plate, side baffles extending obliquely upward and outward are formed on the left and right sides of the bottom plate, a rear wall plate extending vertically upward is formed at the rear end of the bottom plate, an upper cover plate extending forward is formed on the top front side wall of the rear wall plate, and two connecting through holes are formed on the rear wall plate;

[0008] An upper arc-shaped clamping portion is formed in the middle of the front end surface of the upper cover plate, and a lower arc-shaped clamping portion is formed in the middle of the front end surface of the bottom plate, and the upper arc-shaped clamping portion and the lower arc-shaped clamping portion correspond to each other vertically;

[0009] An annular ring is formed in the middle of the front end surface of the lower arc-shaped clamping portion, the plastic connection protection sleeve is in the annular ring, a radially extending edge is formed on the front end outer wall of the plastic connection protection sleeve, an elastic sheet is formed on the left and right side walls of the plastic connection protection sleeve, a limited position protrusion is formed on the outer side of the elastic sheet, and the annular ring is between the radially extending edge and the limited position protrusion;

[0010] The plastic connection protection sleeve is installed in an annular ring so that the plastic connection protection sleeve can protect the cables and the like when passing through during connection.

[0011] A pressure plate is provided in the main shell body, the screw portion of the adjusting bolt is screwed into the middle screw connection hole of the upper cover plate, the bottom end of the screw portion of the adjusting bolt extends out of the bottom surface of the upper cover plate and is movably connected to the pressure plate, and the bottom surface of the pressure plate faces the top surface of the bottom plate.

[0012] An upper limit portion extending upward is formed in the middle of the top surface of the front part of the upper arc-shaped clamping part, and a lower limit portion extending downward is formed in the middle of the bottom surface of the front part of the lower arc-shaped clamping part. The top surface of the rear part of the upper arc-shaped clamping part is lower than the top surface of the front part of the upper cover plate, and the bottom surface of the rear part of the lower arc-shaped clamping part is higher than the bottom surface of the front part of the bottom plate. The upper arc-shaped clamping part and the lower arc-shaped clamping part can be brought together up and down, so that they can be inserted into the junction box for installation and connection.

[0013] The beneficial effects of the utility model are:

[0014] It uses an upper arc-shaped clamping part and a lower arc-shaped clamping part to be inserted into the wiring hole of the junction box, and is clamped in the junction box through an upper limit part and a lower limit part. It is quick and convenient to install, uses metal connection, has a firm connection, is not easy to be damaged, has a long service life, and can connect two pipelines. It is easy to connect and install and has a good use effect. Description of the drawings:

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is a rear view of the utility model;

[0017] Figure 3 It is a partial side view of the utility model;

[0018] Figure 4 It is a partial cross-sectional view of the utility model;

[0019] Figure 5 It is a partial top view of the pressing plate of the utility model;

[0020] Figure 6 It is a schematic diagram of the partial structure of the plastic connection protective cover;

[0021] Figure 7 yes Figure 6 sectional view of . Specific implementation method:

[0022] Example: See Figures 1 to 7 As shown, a terminal connector includes a main housing 10 made of metal, which can be made of steel material, and the main housing 10 includes a bottom plate 11, and a lower connecting through hole 111 is formed in the middle of the bottom plate 11, which can be fixed at the installation position by passing the rod of a screw through the lower connecting through hole 111, so as to realize the fixing of the main housing 10;

[0023] The left and right sides of the bottom plate 11 are formed with side baffles 12 extending obliquely upward and outward, the rear end of the bottom plate 11 is formed with a rear wall plate 13 extending vertically upward, the top front side wall of the rear wall plate 13 is formed with an upper cover plate 14 extending forward, and the rear wall plate 13 is formed with two connecting through holes 131;

[0024] An upper arc-shaped clamping portion 15 is formed in the middle of the front end surface of the upper cover plate 14, and a lower arc-shaped clamping portion 16 is formed in the middle of the front end surface of the bottom plate 11. The upper arc-shaped clamping portion 15 and the lower arc-shaped clamping portion 16 correspond to each other vertically.

[0025] The front end surface of the lower arc-shaped clamping portion 16 is formed with an arc-shaped connecting portion 161 extending upward and forward in the middle, and the front end top surface of the arc-shaped connecting portion 161 is formed with an annular ring 20. The plastic connection protective sleeve 30 is in the annular ring 20, and the front end outer wall of the plastic connection protective sleeve 30 is formed with a radially extending edge 31, and the left and right side walls of the plastic connection protective sleeve 30 are formed with through grooves, and the rear side wall of the through groove is formed with an elastic sheet 32 ​​extending forward, and the outer side of the elastic sheet 32 ​​is formed with a limited position protrusion 33, and the annular ring 20 is between the radially extending edge 31 and the limited position protrusion 33;

[0026] During its specific installation, the rear end of the plastic connection protection sleeve 30 is inserted into the annular ring 20 and continuously pushed backward so that the two elastic sheets 32 are gathered and pass through the annular ring 20. Then, after elastic recovery, the annular ring 20 is located between the radial extension edge 31 and the limiting protrusion 33, thereby achieving clamping and fixing, and completing the installation of the plastic connection protection sleeve 30.

[0027] A pressure plate 40 is provided in the main shell 10, and the screw portion of the adjusting bolt 41 is screwed into the middle screw-connecting through hole of the upper cover plate 14, and the bottom end of the screw portion of the adjusting bolt 41 extends out of the bottom surface of the upper cover plate 14 and is movably connected to the pressure plate 40, and the bottom surface of the pressure plate 40 faces the top surface of the bottom plate 11.

[0028] Furthermore, the upper cover plate 14 is formed with arc-shaped bent edges 141 extending downward on the left and right sides, and the bottom of the arc-shaped bent edge 141 is close to the top of the corresponding side baffle 12 .

[0029] Furthermore, a middle through groove 132 is formed on the rear wall plate 13 in the middle between the two connecting through holes 131 , and both ends of the middle through groove 132 are in communication with the two connecting through holes 131 .

[0030] Furthermore, the rear wall surface at the left and right parts of the rear wall plate 13 is formed with an arc-shaped groove 133 extending forward, and the front wall surface of the rear wall plate 13 is correspondingly formed with an arc-shaped protrusion. The arc-shaped protrusion and the arc-shaped groove 133 improve the strength of the edge of the rear wall plate 13.

[0031] Furthermore, the left and right sides of the pressing plate 40 are both formed with arc-shaped edges extending downward.

[0032] Furthermore, an upper limit portion 151 extending upward is formed in the middle of the top surface of the front part of the upper arc-shaped clamping portion 15, and a lower limit portion 162 extending downward is formed in the middle of the bottom surface of the front part of the lower arc-shaped clamping portion 16. The top surface of the rear part of the upper arc-shaped clamping portion 15 is lower than the top surface of the front part of the upper cover plate 14, and the bottom surface of the rear part of the lower arc-shaped clamping portion 16 is higher than the bottom surface of the front part of the bottom plate 11.

[0033] Furthermore, the portion around the middle screw-connected through hole of the upper cover plate 14 protrudes upwards. The strength of the upper cover plate 14 is improved by protruding upwards.

[0034] Furthermore, upper through holes 142 are formed at the left and right parts of the front part of the upper cover plate 14 , and first through holes are also formed at corresponding positions of the pressing plate 40 below the upper through holes 142 .

[0035] When using this embodiment, the front part of the upper cover plate 14 is pressed by hand to tilt the upper cover plate 14, and the front part thereof is pressed downward to bring the upper arc-shaped clamping part 15 and the lower arc-shaped clamping part 16 closer to each other. At this time, the upper arc-shaped clamping part 15 and the lower arc-shaped clamping part 16 and the front part can be extended into the mounting hole of the junction box until the upper limit part 151 and the lower limit part 162 pass through the mounting hole, and then the hand is released. At this time, the upper cover plate 14 is elastically reset, and the wall plate at the side wall of the mounting hole is in the upper arc-shaped clamping part. At the rear top surface of the placement portion 15 and the rear bottom surface of the lower arc-shaped clamping portion 16, since the rear top surface of the upper arc-shaped clamping portion 15 is lower than the front top surface of the upper cover plate 14, and the rear bottom surface of the lower arc-shaped clamping portion 16 is higher than the front bottom surface of the bottom plate 11, combined with the upper limit portion 151 and the lower limit portion 162, the wall panel at the side wall of the mounting hole can be clamped and fixed between the upper limit portion 151 and the lower limit portion 162 and the front end of the upper cover plate 14 and the front end of the bottom plate 11, and the fixed connection is convenient.

[0036] Then, the ends of the two pipelines can be extended into the main shell 10 from the two connecting holes 131, and the pressure plate 40 can be lowered by rotating the adjusting bolt 41, so that the ends of the pipelines can be clamped between the bottom surface of the pressure plate 40 and the top surface of the bottom plate 11 to achieve clamping and fixing. It is easy to install and firmly fixed. Two pipelines can be installed at one time, which makes its structure simple and reduces installation costs.

Claims

1. A terminal connector, comprising a main housing (10) made of metal, characterized in that: The main housing (10) comprises a bottom plate (11), side baffles (12) extending obliquely upward and outward are formed on the left and right sides of the bottom plate (11), a rear wall plate (13) extending vertically upward is formed at the rear end of the bottom plate (11), an upper cover plate (14) extending forward is formed on the top front side wall of the rear wall plate (13), and two connecting through holes (131) are formed on the rear wall plate (13); An upper arc-shaped clamping portion (15) is formed in the middle of the front end surface of the upper cover plate (14), and a lower arc-shaped clamping portion (16) is formed in the middle of the front end surface of the bottom plate (11), and the upper arc-shaped clamping portion (15) and the lower arc-shaped clamping portion (16) correspond to each other vertically; An annular ring (20) is formed in the middle of the front end surface of the lower arc-shaped clamping portion (16), the plastic connection protection sleeve (30) is located in the annular ring (20), a radially extending edge (31) is formed on the front end outer wall of the plastic connection protection sleeve (30), an elastic sheet (32) is formed on the left and right side walls of the plastic connection protection sleeve (30), a limiting protrusion (33) is formed on the outer side of the elastic sheet (32), and the annular ring (20) is located between the radially extending edge (31) and the limiting protrusion (33); A pressing plate (40) is provided in the main housing (10), and a screw portion of an adjusting bolt (41) is screwed into a middle screw-connecting through hole of the upper cover plate (14). The bottom end of the screw portion of the adjusting bolt (41) extends out of the bottom surface of the upper cover plate (14) and is movably connected to the pressing plate (40), and the bottom surface of the pressing plate (40) faces the top surface of the bottom plate (11).

2. A terminal connector according to claim 1, characterized in that: The upper cover plate (14) is formed with downwardly extending arc-shaped bent edges (141) on the left and right sides, and the bottom of the arc-shaped bent edge (141) is close to the top of the corresponding side baffle plate (12).

3. A terminal connector according to claim 1, characterized in that: A middle through groove (132) is formed on the rear wall plate (13) in the middle between the two connecting through holes (131), and both ends of the middle through groove (132) are in communication with the two connecting through holes (131).

4. A terminal connector according to claim 1, characterized in that: The rear wall surfaces at the left and right parts of the rear wall plate (13) are formed with arc-shaped grooves (133) extending forward, and the front wall surface of the corresponding rear wall plate (13) is formed with arc-shaped protrusions.

5. The terminal connector according to claim 1, characterized in that: The left and right sides of the pressing plate (40) are both formed with arc-shaped edges extending downwards.

6. A terminal connector according to claim 1, characterized in that: An upper limit portion (151) extending upward is formed in the middle of the top surface of the front part of the upper arc-shaped clamping portion (15), and a lower limit portion (162) extending downward is formed in the middle of the bottom surface of the front part of the lower arc-shaped clamping portion (16). The top surface of the rear part of the upper arc-shaped clamping portion (15) is lower than the top surface of the front part of the upper cover plate (14), and the bottom surface of the rear part of the lower arc-shaped clamping portion (16) is higher than the bottom surface of the front part of the bottom plate (11).

7. The terminal connector according to claim 1, characterized in that: A lower connecting through hole (111) is formed in the middle of the bottom plate (11).

8. The terminal connector according to claim 1, characterized in that: An arc-shaped connecting portion (161) extending upward and forward is formed in the middle of the front end surface of the lower arc-shaped clamping portion (16), and an annular ring (20) is formed on the front end top surface of the arc-shaped connecting portion (161).

9. The terminal connector according to claim 1, characterized in that: The portion around the middle screw-connected through hole of the upper cover plate (14) protrudes upward.

10. The terminal connector according to claim 1, characterized in that: Upper through holes (142) are formed on the left and right parts of the front part of the upper cover plate (14), and a first through hole is also formed at a corresponding position of the pressing plate (40) below the upper through hole (142).