Compact power connector capable of being quickly unlocked and plugged

Abstract

The utility model discloses a compact power connector capable of being quickly unlocked and plugged. The compact power connector comprises a power socket and a power plug matched with the power socket. The power socket comprises a first injection molding main body, and two sides of each terminal plugging cavity are provided with panel-shaped power terminals. The power supply terminal is provided with a plurality of wiring pins penetrating out of the first injection molding main body; the power plug comprises a second injection molding body, a conductive part is arranged in the second injection molding body, terminal elastic pieces are arranged on the two sides of the conductive part, and the terminal elastic pieces make contact with the panel-shaped power terminal faces on the two sides of the terminal insertion cavity when the conductive part is inserted into the terminal insertion cavity. According to the utility model, the conductor can be compactly inserted into the plugging cavity, and the contact between the terminal elastic sheet and the power supply terminal can be ensured, so that the compactness of the whole device is ensured, and the contact between the terminal elastic sheet and the power supply terminal is changed from the existing point contact to plane release, so that a larger current can be supported.

Description

Technical Field

[0001] The utility model relates to the technical field related to power connectors, in particular to a compact quick-unlocking and plugging power connector. Background Art

[0002] The power connector is an important link between power supply and equipment, providing power to the equipment to enable normal operation of the equipment. It is an indispensable component of electronic products and equipment. Existing equipment has increasingly compact requirements for the space of power connectors, requiring power connectors to be miniaturized, with greater current capacity, and to be able to perform functions such as easy installation, simple operation, and quick unlocking and plugging. However, there is currently no product on the market that can achieve the above functions, so designing a power connector with the above functions has become an urgent problem to be solved in the industry. Utility Model Content

[0003] In order to solve the defects in the prior art, the utility model provides a compact quick-release plug-in power connector.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0005] The utility model discloses a compact quick-unlocking plug-in power connector, comprising: a power socket and a matching power plug;

[0006] The power socket comprises a first injection-molded body, the first injection-molded body is provided with a plurality of terminal plug-in cavities arranged transversely, and panel-shaped power terminals are provided on both sides of each terminal plug-in cavity; the power terminals are provided with a plurality of connection pins extending from the first injection-molded body;

[0007] The power plug includes a second injection molded body, in which a conductive part is arranged. The front end of the conductive part passes through the second injection molded body, and terminal spring clips are arranged on both sides of the conductive part. When the conductive part is inserted into the terminal plug-in cavity, the terminal spring clips contact the panel-shaped power terminal surfaces on both sides of the terminal plug-in cavity.

[0008] As a preferred technical solution of the utility model, the connection pin is arranged vertically downward and is vertically arranged with respect to the opening direction of the terminal insertion cavity in space.

[0009] As a preferred technical solution of the utility model, the connection pins are arranged horizontally and spatially parallel to the opening direction of the terminal insertion cavity.

[0010] As a preferred technical solution of the utility model, the conductive member is provided with a connecting pin extending vertically downward and passing through the second injection-molded body.

[0011] As a preferred technical solution of the utility model, a transverse locking mechanism is provided between the power socket and the power plug for locking after the power socket and the power plug are connected, and the transverse locking mechanism is unlocked after a transverse force is applied; the transverse locking mechanism includes a locking piece and a metal shell arranged on the first injection-molded body, the locking piece is composed of a first metal sheet and a second metal sheet, the first metal sheet and the second metal sheet are connected to form a V-shaped spring sheet body, and the upper surface of the first injection-molded body is provided with an inwardly recessed groove, and an insertion cavity for inserting the narrow end of the spring sheet body is formed between the groove and the metal shell; the metal shell is provided with a clamping hole in the area with the groove, and the surface of the first metal sheet is provided with a clamping block that is clamped into the clamping hole; the end of the first metal sheet is provided with a soft plastic strip connected, and the second metal sheet is provided with a through hole for the outer end of the plastic strip to pass through, and the outer end of the plastic strip passes through the through hole and is connected to a pull tab; the metal shell, the first injection-molded body, the terminal plug-in cavity and the plug-in cavity form a compact plug-in surface.

[0012] As a preferred technical solution of the utility model, the end of the second injection-molded body is provided with a positioning block extending forward, and the upper part of the second injection-molded body is provided with a receiving groove extending to the top of the positioning block and for receiving the V-shaped spring body, and the clamping block is protruding from the groove surface of the receiving groove.

[0013] As a preferred technical solution of the utility model, the clamping block is provided with a guide slope on the side close to the metal shell, and a vertical blocking portion on the side close to the metal shell.

[0014] As a preferred technical solution of the utility model, a wire cavity is provided on the second injection molded body; the conductive part is inserted into the wire cavity and the front end passes through the wire cavity, the conductive part includes a connector connected to the power cord, and the ends of the connector are connected to mirror-image conductive frames on both sides via two connecting plates, and the terminal spring clips are arranged in each conductive frame and inclined outward, and each conductive frame is provided with no less than two terminal spring clips.

[0015] As a preferred technical solution of the utility model, the second injection-molded body is provided with a positioning mechanism for positioning the conductive part; the positioning mechanism includes a positioning pin, and the second injection-molded body is provided with a pin hole for the positioning pin to be inserted laterally, and the positioning pin is inserted into the pin hole and blocks the end of the conductive part.

[0016] As a preferred technical solution of the utility model, one side of the through hole is provided with an anti-wear sheet which is in contact with the plastic strip and is formed by stamping.

[0017] The beneficial effects of the utility model are:

[0018] 1. This compact quick-release plug-in power connector is provided with a conductive member in the second injection-molded body, the front end of the conductive member passes through the second injection-molded body, and terminal spring clips are provided on both sides of the conductive member. When the conductive member is inserted into the terminal plug-in cavity, the terminal spring clips contact the panel-shaped power terminal surfaces on both sides of the terminal plug-in cavity, and contact the panel-shaped power terminal elastic surface through the terminal spring clips, and perform multi-contact contact, which supports large current, is safe and reliable, and is convenient and quick to plug and unplug; the utility model has the advantages of compact structure, small size, and support for large current; unique quick unlocking mechanism, and convenient operation.

[0019] 2. A specific transverse locking mechanism is provided to realize quick unlocking and plugging between the power socket and the power plug, wherein the first metal sheet and the second metal sheet are connected to form a V-shaped spring sheet body. When docking, the narrow end of the spring sheet body is inserted into the groove and the metal shell to form an insertion cavity. Then, under the elastic recovery action of the first metal sheet and the second metal sheet, the spring sheet body is in an elastically opened state. Then, during the further insertion process, the card block on the first metal sheet is inserted into the card hole on the metal shell, thereby realizing the locking function. When unlocking, the plastic strip is pulled backward through the pull tab, and the plastic strip has an inward pulling force on the first metal sheet, so that the first metal sheet approaches the second metal sheet. After a certain degree, the card block and the card hole are separated, thereby realizing quick unlocking and plugging between the power socket and the power plug.

[0020] 3. This compact quick-release plug-in power connector is arranged vertically with the power terminal and the wiring pin through the plug-in cavity, which can ensure that the conductor can be compactly inserted into the plug-in cavity and can ensure that the terminal spring clip is in contact with the power terminal, thus ensuring the compactness of the entire device, and the terminal spring clip and the power terminal are changed from the existing point contact to surface release, which can support a larger current.

[0021] 4. This compact quick-release plug-in power connector can reduce the volume of the entire power connector through the compact plugging surface composed of the metal shell of the power socket and the power terminals. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0023] Figure 1 This is a schematic structural diagram of a compact quick-release pluggable power connector in Embodiment 1 of the present utility model;

[0024] Figure 2It is a schematic structural diagram of a power socket of a compact quick-release pluggable power connector in Embodiment 1 of the present utility model;

[0025] Figure 3 It is a schematic structural diagram of a power plug of a compact quick-release pluggable power connector in Embodiment 1 of the present utility model;

[0026] Figure 4 It is a schematic structural diagram of a conductive member of a compact quick-release pluggable power connector in Embodiment 1 of the utility model;

[0027] Figure 5 This is a schematic diagram of the structure of a compact quick-release plug-in power connector in Embodiment 2 of the present utility model.

[0028] Figure 6 This is a schematic structural diagram of a compact quick-release pluggable power connector in Embodiment 3 of the present utility model;

[0029] Figure 7 It is a schematic structural diagram of a power socket of a compact quick-release pluggable power connector in Embodiment 3 of the present utility model;

[0030] Figure 8 This is a schematic structural diagram of a first injection-molded body of a compact quick-release pluggable power connector in Embodiment 3 of the present utility model;

[0031] Fig. 9 It is a schematic structural diagram of a power plug of a compact quick-release pluggable power connector in Embodiment 3 of the present utility model;

[0032] Fig.10 It is a structural schematic diagram of a lock piece of a compact quick-release pluggable power connector in Embodiment 3 of the present utility model;

[0033] Fig.11 This is a schematic structural diagram of a wear-resistant sheet of a compact quick-release pluggable power connector in Embodiment 3 of the present utility model;

[0034] Fig.12 This is a schematic structural diagram of a card block of a compact quick-release pluggable power connector in Embodiment 3 of the present utility model;

[0035] Fig.13 This is a schematic structural diagram of a conductive member of a compact quick-release pluggable power connector in Embodiment 3 of the present utility model;

[0036] Fig.14 It is a structural schematic diagram of a storage slot of a compact quick-release pluggable power connector in Embodiment 3 of the present utility model;

[0037] Fig.15 It is an exploded view of a compact quick-release plug-in power connector in Embodiment 3 of the present utility model;

[0038] Fig.16 It is an exploded view of a compact quick-release plug-in power connector in Example 4 of the utility model.

[0039] In the figure: 1. power socket; 101. first injection-molded body; 102. terminal plug-in cavity; 103. power terminal; 104. wiring pin; 2. power plug; 201. second injection-molded body; 202. wire cavity; 203. conductive member; 204. terminal spring clip; 205. connector; 206. guide portion; 207. conductive frame; 208. wiring pin; 3. transverse locking mechanism; 301. locking piece; 302. metal shell; 303. first metal sheet; 304. second metal sheet; 306. groove; 307. plug-in cavity; 308. card hole; 309. card block; 310. plastic strip; 311. through hole; 312. pull tab; 313. positioning block; 314. storage slot; 315. guide slope; 316. blocking portion; 317. anti-wear sheet; 4. positioning pin; 5. pin hole. DETAILED DESCRIPTION

[0040] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0041] Example 1: Figures 1 to 4 As shown, the utility model provides a compact quick-release plug-in power connector, a power socket 1 and a matching power plug 2;

[0042] The power socket 1 comprises a first injection-molded body 101, on which a plurality of terminal insertion cavities 102 are arranged transversely, and on both sides of each terminal insertion cavity 102, a panel-shaped power terminal 103 is arranged; and the power terminal 103 is provided with a plurality of connection pins 104 extending from the first injection-molded body 101;

[0043] The power plug 2 includes a second injection molded body 201, in which a conductive member 203 is arranged, the front end of the conductive member 203 passes through the second injection molded body 201, and terminal spring clips 204 are arranged on both sides of the conductive member 203, and when the conductive member 203 is inserted into the terminal plug-in cavity 102, the terminal spring clips 204 contact the panel-shaped power terminals 103 on both sides of the terminal plug-in cavity 102. A conductive member is arranged in the second injection molded body, the front end of the conductive member passes through the second injection molded body, and terminal spring clips are arranged on both sides of the conductive member, and when the conductive member is inserted into the terminal plug-in cavity, the terminal spring clips contact the panel-shaped power terminals on both sides of the terminal plug-in cavity, and contact the panel-shaped power terminals through the terminal spring clips, and make multi-contact contact, so that large current is supported, and it is safe and reliable, and convenient and quick to plug and unplug; the utility model has the advantages of compact structure, small size, and support for large current; unique quick unlocking mechanism, and convenient operation. The connection pins 104 are arranged vertically downward and are vertically arranged with respect to the opening direction of the terminal insertion cavity 102 in space.

[0044] Embodiment 2, as Figure 5 As shown, the difference between this embodiment and Example 1 is that the connection pin 104 is horizontally arranged and spatially parallel to the opening direction of the terminal insertion cavity 102, so that the horizontal and lateral arrangements can be selected accordingly according to the installation orientation of the circuit board, thereby having strong selectivity.

[0045] Embodiment 3, as Figure 6-15 As shown, the difference between the embodiment 1 or 2 is:

[0046] It includes a power socket 1 and a power plug 2, such as Figure 7 As shown, the power socket 1 includes a first injection-molded body 101, which is formed by injection molding of insulating plastic, and is provided with a plurality of terminal plug-in cavities 102 arranged vertically, and the terminal plug-in cavities 102 are not less than two, and panel-shaped power terminals 103 are provided on both sides of each terminal plug-in cavity 102, so that a larger contact area is provided, and the power terminals 103 are provided with vertically downward wiring pins 104, so that the lateral locking mechanism 3 is unlocked after lateral force is applied, and it is not easy to pull the power socket 1 out of the circuit board, thereby ensuring strong stability in use. Fig. 9 , Fig.10 , Fig.11 and Fig.12The power plug 2 comprises a second injection molded body 201, and a wire cavity 202 is provided on the second injection molded body 201. A conductive member 203 is fixed on the power line and is inserted into the wire cavity and has its front end passed through the wire cavity 202. Terminal spring clips 204 are provided on both sides of the conductive member 203. When the conductive member 203 is inserted into the terminal plug-in cavity 102, the terminal spring clips 204 are in surface contact with the panel-shaped power terminal 103; thus, a larger contact area is provided, and the second injection molded body 201 is provided with a positioning mechanism for positioning the conductive member 203; positioning comprises setting a positioning pin 4, and a pin hole 5 for the lateral insertion of the positioning pin 4 is provided on the second injection molded body 201, and the positioning pin 4 is inserted into the pin hole 5 and blocks the end of the conductive member 203, which has the characteristics of simple structure, wherein when the conductive member 203 is inserted into the wire cavity 202, the positioning pin 4 is then inserted into the pin hole 5 to achieve the function of positioning and preventing from falling off, and has the characteristics of convenient assembly.

[0047] A transverse locking mechanism 3 is provided between the power socket 1 and the power plug 2 for locking after the power socket 1 and the power plug 2 are docked, and the transverse locking mechanism 3 is unlocked after a transverse force is applied, so that the power socket 1 and the power plug 2 can be quickly unlocked and plugged in conveniently.

[0048] The transverse locking mechanism 3 includes a locking piece 301 and a metal shell 302 disposed on the first injection molding body 101, wherein the bottom of the metal shell 302 is provided with a vertical positioning pin, and the positioning pin is fixed on the circuit board, and the metal shell 302 is welded with the first injection molding body 101, and the locking piece 301 is composed of a first metal sheet 303 and a second metal sheet 304, and the first metal sheet 303 and the second metal sheet 304 are connected to form a V-shaped spring sheet body, which has good elastic deformation recovery ability, wherein the V-shaped spring sheet body is welded on the second injection molding body 201, and can also be fixed on the second injection molding body 201 by fixing glue, so as to ensure the stability of use. The tail of the first metal sheet 303 and the second metal sheet 304 is provided with an outwardly bent and extended tail wing.

[0049] like Figure 7 and Figure 8As shown, the upper surface of the first injection-molded body 101 is provided with an inwardly recessed groove 306, and a plug-in cavity 307 for inserting the narrow end of the spring body is formed between the groove 306 and the metal shell 302; the metal shell 302 is provided with a clamping hole 308 in the area of ​​the groove 306, and the surface of the first metal sheet 303 is provided with a clamping block 309 that is clamped into the clamping hole 308; the end of the first metal sheet 303 is provided with a soft plastic strip 310 connected, and the second metal sheet 304 is provided with a through hole 311 for the outer end of the plastic strip 310 to pass through, and the outer end of the plastic strip 310 passes through the through hole 311 and is connected to a pull tab 312; the power socket 1 and the power plug 2 are quickly unlocked and plugged in by setting a specific transverse locking mechanism 3, wherein the first metal sheet 303 and the second metal sheet 304 are connected to form a V-shaped spring body, and when docking, the narrow end of the spring body is inserted between the groove 306 and the metal shell 302 A plug cavity 307 is formed, and the metal shell 302, the first injection molded body 101, the terminal plug cavity 102 and the plug cavity 307 form a compact plug-in surface, which has a high degree of integration and can be miniaturized. Under the elastic recovery action of the first metal sheet 303 and the second metal sheet 304, the spring sheet body is in an elastically opened state, and then in the process of further insertion, the card block 309 on the first metal sheet 303 is inserted into the card hole 308 on the metal shell 302, so that the locking function is realized. When unlocking, the plastic strip 310 is pulled backward by the pull tab 312, and the plastic strip 310 has an inward pulling force on the first metal sheet 303, so that the first metal sheet 303 approaches the second metal sheet 304, and after a certain degree, the card block 309 and the card hole 308 are separated, and then the power socket 1 and the power plug 2 are separated, so that the power socket 1 and the power plug 2 are quickly unlocked and plugged. A stamped anti-wear sheet 317 in contact with the plastic strip 310 is provided on one side of the through hole 311 to prevent the plastic strip 310 from contacting the edge of the through hole 311 and prevent the plastic strip 310 from being worn and broken during the pulling process, thereby increasing the service life of the plastic strip 310.

[0050] Among them, Fig.14 As shown, the end of the second injection body 201 is provided with a positioning block 313 extending forward, and the upper part of the second injection body 201 is provided with a receiving groove 314 extending to the top of the positioning block 313 and receiving the V-shaped spring body, and the clamping block 309 is protruding from the groove surface of the receiving groove 314. In this way, the narrow end of the spring body is forward, which is convenient for insertion into the insertion cavity 307.

[0051] Among them, the block 309 is provided with a guide slope 315 on the side close to the metal shell 302, so that when the narrow end of the spring body moves forward in the insertion cavity 307, the block 309 is convenient for being inserted into the card hole 308. A vertical blocking portion 316 is provided on the side close to the metal shell 302, which plays a blocking role. When the pull tab is not pulled backward horizontally, the spring body is prevented from moving backward, thereby playing a locking role.

[0052] Among them, Fig.13 As shown, the conductive member 203 includes a connector 205 connected to the power line, and the ends of the connector 205 are connected to a conductive frame 207 in mirror image via two connecting pieces, and the terminal spring clips 204 are arranged in each conductive frame 207 and tilted outward, and each conductive frame 207 is provided with no less than two terminal spring clips 204. The terminal spring clips 204 are provided with an arched guide portion 206, which is convenient for plugging and unplugging and is not easy to scratch the power terminal 103. The terminal spring clips 204 and the panel-shaped power terminal 103 are in multi-contact contact, and the multi-contacts of the terminal spring clips 204 are mirror imaged and surrounded by the conductive frame 207, which is safe and reliable.

[0053] Embodiment 4, as Fig.16 As shown, the technical difference between this embodiment and embodiment 3 is that the connection pin 104 is horizontally arranged and spatially parallel to the opening direction of the terminal insertion cavity 102, so that the horizontal and lateral arrangements can be selected accordingly according to the installation orientation of the circuit board, thereby having strong selectivity.

[0054] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A compact quick-release plug-in power connector, characterized in that: include: A power socket (1) and a matching power plug (2); The power socket (1) comprises a first injection-molded body (101), the first injection-molded body (101) being provided with a plurality of terminal insertion cavities (102) arranged transversely, and panel-shaped power terminals (103) being provided on both sides of each terminal insertion cavity (102); the power terminals (103) being provided with a plurality of connection pins (104) extending from the first injection-molded body (101); The power plug (2) comprises a second injection molded body (201), a conductive member (203) is arranged inside the second injection molded body (201), a front end of the conductive member (203) protrudes from the second injection molded body (201), and terminal spring clips (204) are arranged on both sides of the conductive member (203), and when the conductive member (203) is inserted into the terminal plug-in cavity (102), the terminal spring clips (204) contact the panel-shaped power terminals (103) on both sides of the terminal plug-in cavity (102).

2. A compact quick-release pluggable power connector according to claim 1, characterized in that: The connection pin (104) is arranged vertically downward, and is spatially perpendicular to the opening direction of the terminal insertion cavity (102).

3. A compact quick-release pluggable power connector according to claim 1, characterized in that: The connection pin (104) is arranged horizontally and spatially parallel to the opening direction of the terminal insertion cavity (102).

4. A compact quick-release pluggable power connector according to claim 2 or 3, characterized in that: The conductive member (203) is provided with a connecting pin (208) extending vertically downward and passing through the second injection-molded body (201).

5. A compact quick-release pluggable power connector according to claim 2 or 3, characterized in that: A transverse locking mechanism (3) is provided between the power socket (1) and the power plug (2) for locking after the power socket (1) and the power plug (2) are docked, and the transverse locking mechanism (3) is unlocked after a transverse force is applied; the transverse locking mechanism (3) comprises a locking piece (301) and a metal shell (302) arranged on the first injection molded body (101); the locking piece (301) is composed of a first metal piece (303) and a second metal piece (304); the first metal piece (303) and the second metal piece (304) are connected to form a V-shaped spring piece body; the upper surface of the first injection molded body (101) is provided with an inwardly recessed groove (306); and a groove (306) is formed between the groove (306) and the metal shell (302). A plug-in cavity (307) for inserting the narrow end of the spring sheet body; the metal shell (302) is provided with a clamping hole (308) in the area of ​​the groove (306), and the surface of the first metal sheet (303) is provided with a clamping block (309) that is clamped into the clamping hole (308); the end of the first metal sheet (303) is provided with a soft plastic strip (310) connected thereto, and the second metal sheet (304) is provided with a through hole (311) for the outer end of the plastic strip (310) to pass through, and the outer end of the plastic strip (310) passes through the through hole (311) and is connected to a pull tab (312); the metal shell (302), the first injection-molded body (101), the terminal plug-in cavity (102) and the plug-in cavity (307) form a compact plug-in surface.

6. A compact quick-release pluggable power connector according to claim 5, characterized in that: The end of the second injection-molded body (201) is provided with a positioning block (313) extending forward, and the upper part of the second injection-molded body (201) is provided with a receiving groove (314) extending to the top of the positioning block (313) and receiving the V-shaped spring sheet body, and the clamping block (309) is protruding from the groove surface of the receiving groove (314).

7. A compact quick-release pluggable power connector according to claim 5, characterized in that: The block (309) is provided with a guide slope (315) on one side close to the metal shell (302), and a vertical blocking portion (316) on one side close to the metal shell (302).

8. A compact quick-release pluggable power connector according to claim 5, characterized in that: The second injection-molded body (201) is provided with a wire cavity (202); the conductive member (203) is inserted into the wire cavity and the front end thereof passes through the wire cavity (202); the conductive member (203) comprises a connector (205) connected to a power line, and the ends of the connector (205) are connected to a mirror-image conductive frame (207) via two connecting pieces on both sides, and the terminal spring clips (204) are arranged in each conductive frame (207) and tilted outward, and each conductive frame (207) is provided with no less than two terminal spring clips (204).

9. A compact quick-release pluggable power connector according to claim 5, characterized in that: The second injection molded body (201) is provided with a positioning mechanism for positioning the conductive member (203); the positioning mechanism comprises a positioning pin (4), and the second injection molded body (201) is provided with a pin hole (5) for the positioning pin (4) to be inserted laterally, and the positioning pin (4) is inserted into the pin hole (5) and blocks the end of the conductive member (203).

10. A compact quick-release pluggable power connector according to claim 5, characterized in that: One side of the through hole (311) is provided with a wear-resistant sheet (317) which is in contact with the plastic strip (310) and is formed by stamping.

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