Combined four-wire plug and socket assembly

Abstract

The utility model discloses a combined four-wire plug and socket assembly, and belongs to the technical field of electrical connecting pieces. The combined type four-wire plug and socket assembly further comprises an end head I clamped on the left side of the shell I; the outer side of the second shell is connected with a second end in a clamped mode. A first end buckle is fixedly arranged on the lower end face of the first end; a first end fixing groove is fixedly formed in the lower end of the inner side of the first end; two mounting grooves I are formed in the outer side surface of the lower end of the end head I; four fixing protrusions are fixedly arranged at the lower end of the second end. A through groove is formed between every two adjacent fixing protrusions. The lower end of the second end is fixedly provided with a second end clamping groove. A second mounting groove is fixedly formed in the inner side of the lower end of the second end. By arranging the first end, the second end, the first shell and the second shell, the first end is clamped with the first shell, and the second shell is clamped with the second end, the stability during installation is improved, meanwhile, disassembly and maintenance are facilitated, and connection and use in various scenes are facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of electrical connectors, and more specifically relates to a combined four-wire plug and socket assembly. Background Art

[0002] The plug and socket assembly is a commonly used electrical connector for power supply of modern machinery. Its purpose is to achieve the required power supply connection. Compared with the connection method of ordinary wires, the plug and socket assembly is relatively more stable; for example, a heavy truck includes a tractor head and at least one trailer. The trailer is generally equipped with a variety of electrical equipment and powered by the tractor. In order to realize the power supply between the tractor and the trailer, and between the trailers, it is necessary to connect them through the electrical plug and socket assembly. After the existing electrical plug is plugged into the socket, the direction of its wire bundle is usually at a right angle of 90 degrees to the plug, and the electrical plug and socket assembly is exposed to the outside, the working environment is harsh, and it is easy to be corroded by rain and salt water. In particular, moisture will enter the electrical plug and socket assembly, and moisture will corrode the mating electrical terminals in the connector, causing safety hazards and affecting electrical connections. Therefore, there are high requirements for sealing, installation and subsequent maintenance.

[0003] For example, the patent application number CN201620301344.0 discloses an electrical plug and socket assembly that is easy to install, which includes a plug, a socket and a wire harness, wherein the socket is provided with a male terminal, the plug is provided with a receiving cavity for accommodating the socket, the receiving cavity is provided with a female terminal that matches the male terminal, the plug is also provided with a first flange, and the socket is provided with a second flange that matches the first flange, characterized in that: a groove is provided in the receiving cavity, a boss that matches the groove is provided on the side of the socket, a pleated structure is also provided on the peripheral side of the plug, the pleated structure is inclined inwardly away from the end of the plug, a reinforcement part is also provided horizontally at one end of the plug, and the wire harness is electrically connected to the female terminal through the reinforcement part. The utility model has reliable connection and fixation, good sealing performance and is easy to install.

[0004] Although the above-mentioned easy-to-install electrical plug and socket assembly has reliable connection and fixation, good sealing performance and is easy to install, there is still the problem of complex disassembly and maintenance. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a combined four-wire plug and socket assembly, which increases the safety of cable use, facilitates maintenance and disassembly, and increases the stability of installation.

[0006] The utility model discloses a combined four-wire plug and socket assembly, comprising female terminals; the number of the female terminals is four; the right side of each female terminal is clamped with a male terminal; a shell 1 is sleeved on the outer side of the four female terminals; a shell 2 is sleeved on the outer side of the four male terminals; it also includes a terminal 1 clamped on the left side of the shell 1; the outer side of the shell 2 is clamped with the terminal 2; a terminal 1 buckle is fixedly arranged on the lower end surface of the terminal; a terminal 1 fixing groove is fixedly arranged on the inner lower end of the terminal 1; two installation grooves 1 are provided on the outer side of the lower end of the terminal; four fixing protrusions are fixedly arranged on the lower end of the terminal 2; a through groove is arranged between two adjacent fixing protrusions; a terminal 2 clamping groove is fixedly arranged on the lower end of the terminal 2; and an installation groove 2 is fixedly arranged on the inner side of the lower end of the terminal 2.

[0007] Preferably: two ear plates are fixedly arranged on the upper end of the shell one; a buckle is fixedly arranged on the upper end of the shell one; a spring is fixedly connected to the upper right end of the shell one; four wire grooves are fixedly arranged on the inner side of the shell one; four limit blocks are fixedly arranged on the right ends of the four wire grooves on the inner side of the shell one; a pair of support blocks are fixedly arranged on the right side of each wire groove one; a limit block is fixedly connected to the left side of each wire groove one; a card slot is fixedly arranged on the lower end of the shell; two slide slots are arranged on the lower end of the shell.

[0008] Preferably: a slot 2 is respectively provided at one place corresponding to each slide groove on the left side of the shell 2; a shell snap-in slot is provided on the left side of the shell 2; two sliders 1 are fixedly provided at the lower left end of the inner side of the shell 2; a pair of slide grooves 2 are fixedly provided at the lower end of the shell 2; a wire groove 2 is provided corresponding to each wire groove 1 of the shell 2; two ribs are fixedly provided at the upper end of the shell 2; a buckle 1 slot is fixedly provided at the upper end of the shell 2; a limit block 4 is fixedly provided on the inner side of the wire groove 2 of the shell 2; a pair of sliders 2 are provided on the inner side of the left end of the shell 2; a slide groove 3 is provided between each slider 2 and the inner wall of the left side of the shell 2; a buckle slot is fixedly provided on the lower end face of the right side of the shell 2.

[0009] Preferably: the slide groove three is slidably connected to the right side of the ear plate; the buckle one is buckled with the buckle one slot; the slider one slides on the inner side of the slide groove one; the right end face of the limit block two abuts against the left inner end face of the shell two; the end head one buckle is buckled with the slot one; the end head two slot is buckled on the inner side of the buckle slot.

[0010] Preferably: a wire slot is fixedly provided on the inner side of each female terminal; a pair of wire slots are fixedly provided on the lower end of each female terminal; each female terminal is fixedly connected to a pair of wire harness clamps on the upper right side of a wire harness clamp; a socket is fixedly provided on the lower right end of each female terminal; a metal spring is fixedly connected to the upper end of the socket; and a wire slot second is opened at a corresponding wire slot of each female terminal.

[0011] Preferably: a second wiring harness clamp is fixedly provided at the lower right end of the male terminal; a third wire slot is fixedly provided at the right end of the male terminal; a pair of second wiring harness clamps are fixedly provided at the male terminal; a terminal limit block is fixedly provided at the left side of the second wiring harness clamp; a terminal plug rod is fixedly provided at the left end of the terminal limit block; a terminal contact is fixedly provided at the left end of the terminal plug rod.

[0012] Preferably: the socket abuts the terminal contact; the terminal rod slides in the second line slot; the metal spring presses the outer circumference of the terminal rod; the limit block 1 abuts the left end of the socket; the lower end of the socket abuts the support block; the terminal limit block abuts the left end face of limit block 4.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] (1) By setting four pairs of female terminals to connect with male terminals, the female terminals are electrically connected to the male terminals to prevent direct power outage caused by damage to one of the cables. At the same time, the safety of using cables is increased, and the power of plugs and sockets can be adjusted easily.

[0015] (2) By setting terminal 1, terminal 2, shell 1, and shell 2, terminal 1 is snap-fitted with shell 1, and shell 2 is snap-fitted with terminal 2, the stability during installation is increased, and disassembly and maintenance are facilitated, so as to facilitate connection and use in various scenarios;

[0016] (3) By providing a plug sleeve and a limit block 1; a buckle 1, a spring sheet and a buckle 1 slot; a limit block 4 and a terminal limit block; a buckle slot and a terminal 2 slot; a terminal 1 buckle and a slot 1; the connection between the terminal 1, the shell 1, the shell 2, the terminal 2, the female terminal and the male terminal is stable and easy to disassemble, thereby reducing the difficulty of maintenance and improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a bottom view schematic diagram of the utility model;

[0019] Figure 3 It is an exploded view of the utility model;

[0020] Figure 4 This is a schematic diagram of the internal structure of the terminal of the utility model;

[0021] Figure 5 This is a schematic diagram of the internal structure of the second end of the utility model;

[0022] Figure 6 It is a left view of the utility model;

[0023] Figure 7 It is a cutaway view at AA of the utility model;

[0024] Figure 8 It is a cutaway view at BB of the utility model;

[0025] Fig. 9 It is a schematic diagram of the housing and internal structure of the utility model;

[0026] Fig.10 This is a schematic diagram of the internal structure of the second housing of the utility model;

[0027] Fig.11 This is a schematic diagram of the internal structure of the female terminal of the utility model;

[0028] Fig.12 It is a schematic diagram of the internal structure of the male terminal of the utility model.

[0029] Explanation of the numbers in the figure: 1. Terminal 1; 2. Shell 1; 3. Shell 2; 4. Terminal 2; 5. Female terminal; 6. Male terminal; 101. Terminal 1 buckle; 102. Terminal 1 fixing slot; 103. Mounting slot 1; 201. Slot 1; 203. Slide 1; 204. Spring; 205. Buckle 1; 206. Limit block 1; 207. Limit block 2; 208. Support block; 209. Wire trough 1; 210. Ear plate; 301. Slot 2; 302. Slide 1; 303. Slide 2; 304. Limit block 3; 305. Slot 3; 304. Limit block 4; 305. Buckle one slot; 306, rib plate; 307, wire slot two; 308, shell snap-on slot; 309, slide slot three; 310, slider two; 311, buckle slot; 401, terminal two slot; 402, mounting slot two; 403, through slot; 404, fixing protrusion; 501, wire slot opening one; 502, wire slot opening two; 503, metal spring; 504, wire harness clamp one; 505, plug sleeve; 506, wire harness clamp one; 601, terminal contact; 602, terminal plug rod; 603, terminal limit block; 604, wire harness clamp two; 605, wire slot opening three; 606, wire harness clamp two. DETAILED DESCRIPTION

[0030] Specific embodiment 1: Please refer to Figure 1-5A combined four-wire plug and socket assembly includes a female terminal 5; the number of the female terminals 5 is four; each of the female terminals 5 is clamped with a male terminal 6 on the right side; a shell 2 is sleeved on the outside of the four female terminals 5; a shell 2 is sleeved on the outside of the four male terminals 6; it also includes a terminal 1 clamped on the left side of the shell 2; the outer side of the shell 23 is clamped with the terminal 24; the lower end surface of the terminal 1 is fixedly provided with a terminal buckle 101; the inner lower end of the terminal 1 is fixedly provided with a terminal fixing groove 102; two installation grooves 103 are provided on the outer side of the lower end of the terminal 1; four fixing protrusions 404 are fixedly provided at the lower end of the terminal 24 ; A through groove 403 is set between two adjacent fixed protrusions 404; a terminal second clamping groove 401 is fixedly set at the lower end of the terminal two 4; a mounting groove two 402 is fixedly set on the inner side of the lower end of the terminal two 4; by setting four pairs of female terminals 5 to clamp the male terminals 6, the female terminals 5 and the male terminals 6 are electrically connected to prevent one of the cables from being damaged and causing direct power failure, while increasing the safety of using cables and facilitating the adjustment of the power of plugs and sockets; by setting terminal one 1, terminal two 4, shell one 2, and shell two 3, the terminal one 1 is clamped with the shell one 2, and the shell two 3 is clamped with the terminal two 4, so as to increase the stability during installation and facilitate connection and use in various scenarios.

[0031] See also Figure 7-9 Two ear plates 210 are fixedly arranged on the upper end of the shell 2; a buckle 205 is fixedly arranged on the upper end of the shell 2; a spring piece 204 is fixedly connected to the upper right end of the shell 2; four wire grooves 209 are fixedly arranged on the inner side of the shell 2; four limit blocks 207 are fixedly arranged on the right ends of the four wire grooves 209 on the inner side of the shell 2; a pair of support blocks 208 are fixedly arranged on the right side of each wire groove 209 of the shell 2; a limit block 206 is fixedly connected to the left side of each wire groove 209 of the shell 2; a card slot 201 is fixedly arranged on the lower end of the shell 2; two slide slots 203 are arranged on the lower end of the shell 2.

[0032] See also Fig.10 A card slot 2 301 is respectively provided at the left side of the shell 2 3 corresponding to each slide slot 1 203; a shell card slot 308 is provided on the left side of the shell 2 3; two sliders 1 302 are fixedly provided at the lower left end of the inner side of the shell 2 3; a pair of slide slots 2 303 are fixedly provided at the lower end of the shell 2 3; a wire slot 2 307 is provided in the shell 2 3 corresponding to each wire slot 1 209; two ribs 306 are fixedly provided at the upper end of the shell 2 3; a buckle card slot 305 is fixedly provided at the upper end of the shell 2 3; a limit block 4 304 is fixedly provided inside the wire slot 2 307 of the shell 2 3; a pair of sliders 2 310 are provided on the inner side of the left end of the shell 2 3; a slide slot 309 is provided between each slider 2 310 and the inner wall of the left side of the shell 2 3; a buckle card slot 311 is fixedly provided on the lower end surface of the right side of the shell 2 3.

[0033] See also Figure 1-10 , the slide groove three 309 is slidably connected to the right side of the ear plate 210; the buckle one 205 is buckled with the buckle one slot 305; the slider one 302 slides on the inner side of the slide groove one 203; the right end face of the limit block two 207 abuts against the left inner end face of the shell two 3; the end head buckle 101 is buckled with the slot one 201; the end head two slot 401 is buckled on the inner side of the buckle slot 311.

[0034] See also Fig.11 A wire slot 501 is fixedly provided on the inner side of each female terminal 5; a pair of wire slots 501 are fixedly provided at the lower end of each female terminal 5; a pair of wire harness clamps 504 are fixedly connected to the right upper side of a wire harness clamp 506 of each female terminal 5; a socket 505 is fixedly provided at the lower right end of each female terminal 5; a metal spring 503 is fixedly connected to the upper end of the socket 505 of each female terminal 5; a wire slot 2 502 is opened at the corresponding wire slot 501 of each female terminal 5.

[0035] See also Fig.12 A wire harness clamp piece 2 606 is fixedly provided at the lower right end of the male terminal 6; a wire slot 3 605 is fixedly provided at the right end of the male terminal 6; a pair of wire harness clamps 2 604 are fixedly provided at the male terminal 6; a terminal limit block 603 is fixedly provided at the left side of the wire harness clamp 2 604; a terminal plug rod 602 is fixedly connected to the left end of the terminal limit block 603; a terminal contact 601 is fixedly provided at the left end of the terminal plug rod 602.

[0036] See also Figure 7-12 , the socket 505 abuts against the terminal contact 601; the terminal plug rod 602 slides in the line slot 2 502; the metal spring 503 presses against the outer circumference of the terminal plug rod 602; the limit block 1 206 abuts against the left end of the socket 505; the lower end of the socket 505 abuts against the support block 208; the terminal limit block 603 abuts against the left end face of the limit block 4 304; by arranging the socket 505 and the limit block 1 206; the buckle 1 205, the spring 204 and the buckle 1 slot 305; the limit block 4 304 and the terminal limit block 603; the buckle slot 311 and the terminal 2 slot 401; the terminal buckle 101 and the slot 1 201; the terminal 1 1, the shell 1 2, the shell 2 3, the terminal 2 4, the female terminal 5, and the male terminal 6 are stably connected and easy to disassemble, thereby reducing the difficulty of maintenance and improving practicality.

[0037] During operation, connect the four plug harnesses between the two harness clamps 604 and clamp them, pinch the harness clamp piece 606 to clamp the plug harnesses, until one end of the plug harness is electrically connected to the terminal contact 601; connect the end of the plug cable away from the terminal contact 601 to a plug of appropriate size, and then insert the four male terminals 6 into the inner side of the shell 3; insert the plug into the right end of the shell 3, extend the terminal 4 into the inner side of the shell 3, and insert the terminal 4 into the buckle slot 311 to fix the terminal 4; then clamp the terminal 4 in the installation position, use the through slot 403 and the fixing protrusion 404 to stabilize the connection, and clamp the installation slot 402 on the connector at the installation position; extend one end of the four socket harnesses into the wire slot 501, and connect the four female terminals 6 to the socket. Insert the sub-5 into the inner side of the shell 2 3, so that the metal spring 503 is electrically connected to the socket wiring harness; then insert the four terminal rods 602 into the four wire slots 2 502, and make the metal spring 503 press the terminal rods 602, then align the shell 1 2 with the shell 2 3, push the shell 1 2 into the shell 2 3, the buckle 1 205 and the spring 204 are pressed down briefly, and then bounced up, and the buckle 1 205 is snapped into the buckle 1 slot 305; insert the terminal 1 1 into the lower end of the inner side of the shell 1 2, so that the terminal buckle 101 is snapped into the slot 1 201, and the male terminal 6 is inserted into the female terminal 5, and the male terminal 6 is indirectly electrically connected to the female terminal 5, so that the above-mentioned plug and socket are electrically connected, the cable assembly connection is realized, and the stability of the cable connection is ensured.

[0038] For example, certain words are used in the specification and claims to refer to specific components. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. This specification and claims do not use differences in names as a way to distinguish components, but use differences in the functions of components as the criteria for distinction. For example, "including" mentioned throughout the specification and claims is an open term, so it should be interpreted as "including but not limited to". "Approximately" means that within an acceptable error range, those skilled in the art can solve the technical problem within a certain error range and basically achieve the technical effect.

[0039] It should be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a product or system including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such product or system. In the absence of more restrictions, the elements defined by the sentence "including one..." do not exclude the existence of other identical elements in the product or system including the elements.

[0040] The above description shows and describes several preferred embodiments of the present application, but as mentioned above, it should be understood that the present application is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the application concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not deviate from the spirit and scope of the present application, and should be within the scope of protection of the claims attached to the present application.

Claims

1. A combined four-wire plug and socket assembly, comprising a female terminal (5); the number of the female terminals (5) is four; each of the female terminals (5) is clamped with a male terminal (6) on the right side; a housing 1 (2) is sleeved on the outer side of the four female terminals (5); a housing 2 (3) is sleeved on the outer side of the four male terminals (6); the characteristics are as follows: It also comprises a terminal head 1 (1) clamped on the left side of the shell 1 (2); the outer side of the shell 2 (3) is clamped with the terminal head 2 (4); the lower end surface of the terminal head 1 (1) is fixedly provided with a terminal head 1 buckle (101); the inner lower end of the terminal head 1 (1) is fixedly provided with a terminal head 1 fixing groove (102); the outer side surface of the lower end of the terminal head 1 (1) is provided with two mounting grooves 1 (103); the lower end of the terminal head 2 (4) is fixedly provided with four fixing protrusions (404); a through groove (403) is provided between two adjacent fixing protrusions (404); the lower end of the terminal head 2 (4) is fixedly provided with a terminal head 2 clamping groove (401); and the inner side of the lower end of the terminal head 2 (4) is fixedly provided with a mounting groove 2 (402).

2. A combined four-wire plug and socket assembly according to claim 1, characterized in that: Two ear plates (210) are fixedly arranged at the upper end of the shell one (2); a buckle one (205) is fixedly arranged at the upper end of the shell one (2); a spring piece (204) is fixedly connected to the upper right end of the shell one (2); four wire grooves one (209) are fixedly arranged on the inner side of the shell one (2); four limit blocks two (207) are fixedly arranged on the right end of the four wire grooves one (209) on the inner side of the shell one (2); a pair of support blocks (208) are fixedly arranged on the right side of each wire groove one (209) of the shell one (2); a limit block one (206) is fixedly connected to the left side of each wire groove one (209) of the shell one (2); a clamping slot one (201) is fixedly arranged at the lower end of the shell one (2); and two slide slots one (203) are arranged at the lower end of the shell one (2).

3. A combined four-wire plug and socket assembly according to claim 2, characterized in that: A second card slot (301) is respectively provided on the left side of the second shell (3) corresponding to each slide slot (203); a shell card slot (308) is provided on the left side of the second shell (3); two sliders (302) are fixedly provided at the lower left end of the inner side of the second shell (3); a pair of slide slots (303) are fixedly provided at the lower end of the second shell (3); a wire slot (307) is provided on the second shell (3) corresponding to each wire slot (209); two ribs (306) are fixedly provided at the upper end of the second shell (3); a buckle first card slot (305) is fixedly provided at the upper end of the second shell (3); a limit block (304) is fixedly provided on the inner side of the wire slot (307) of the second shell (3); a pair of sliders (310) are provided on the inner side of the left end of the second shell (3); a slide slot (309) is provided between each slider (310) and the inner wall of the left side of the second shell (3); and a buckle card slot (311) is fixedly provided on the lower end surface of the right side of the second shell (3).

4. A combined four-wire plug and socket assembly according to claim 3, characterized in that: The slide groove three (309) is slidably connected to the right side of the ear plate (210); the buckle one (205) is buckled with the buckle one slot (305); the slider one (302) slides inside the slide groove one (203); the right end surface of the limit block two (207) is abutted against the left inner end surface of the shell two (3); the end head one buckle (101) is buckled with the slot one (201); the end head two slot (401) is buckled inside the buckle slot (311).

5. A combined four-wire plug and socket assembly according to claim 4, characterized in that: A wire slot opening (501) is fixedly provided on the inner side of each female terminal (5); a pair of wire slot openings (501) are fixedly provided on the lower end of each female terminal (5); a pair of wire harness clamps (504) are fixedly connected to the right upper side of a wire harness clamp (506) of each female terminal (5); a plug sleeve (505) is fixedly provided on the lower right side of each female terminal (5); a metal spring (503) is fixedly connected to the upper end of the plug sleeve (505) of each female terminal (5); and a wire slot opening (502) is provided at a location corresponding to the wire slot opening (501) of each female terminal (5).

6. A combined four-wire plug and socket assembly according to claim 5, characterized in that: A second harness clamp (606) is fixedly provided at the lower right end of the male terminal (6); a third wire slot (605) is fixedly provided at the right end of the male terminal (6); a pair of second harness clamps (604) are fixedly provided at the male terminal (6); a terminal stop block (603) is fixedly provided at the left side of the second harness clamp (604) at the male terminal (6); a terminal plug rod (602) is fixedly connected to the left end of the terminal stop block (603); and a terminal contact (601) is fixedly provided at the left end of the terminal plug rod (602).

7. A combined four-wire plug and socket assembly according to claim 6, characterized in that: The plug sleeve (505) abuts against the terminal contact (601); the terminal plug rod (602) slides in the second wire slot (502); the metal spring (503) presses against the outer circumference of the terminal plug rod (602); the first limit block (206) abuts against the left end of the plug sleeve (505); the lower end of the plug sleeve (505) abuts against the support block (208); and the terminal limit block (603) abuts against the left end surface of the fourth limit block (304).

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