Plugging-resistant insert terminal

By introducing protective plates, trapezoidal protective blocks and disassembly mechanisms into the insert terminals, the fracture problems caused by wear and force direction deviation during long-term use of the insert terminals are solved, and the removable assembly and plug-in resistance of the insert terminals are realized. Effect.

CN222508057UActive Publication Date: 2025-02-18YUEQING HUASEN ELECTRICAL CO LTD
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Patent Information

Application Number
CN202421281084.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-06
Publication Date
2025-02-18
Estimated Expiration
2034-06-06

AI Technical Summary

Technical Problem

The existing insert terminals are prone to wear during long-term plug-in and unplugging, and lack of protective measures, which leads to a deviation in force direction during plug-in and unplugging, which can easily lead to breakage and cannot continue to use.

Method used

A plug-resistant insertion and unplugging terminal is designed, and by providing protective plates, trapezoidal protective blocks and disassembly and assembly mechanisms on the insertion plates and connectors, the insertion plates can be detachable and assembly and protection in the force direction.

Benefits of technology

This design allows the insert to be replaced separately when worn, extending service life, and improving the insert terminal resistance through protective measures to avoid breakage at the connection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of insertion piece terminals, in particular to a plugging-resistant insertion piece terminal, which comprises an insertion piece, insertion holes are formed in the front side and the rear side of the right end of the insertion piece, vertical clamping teeth are fixedly connected to the inner walls of the sides, far away from each other, of the two insertion holes, insertion grooves are formed in the right end of the insertion piece and located in the sides, far away from each other, of the two insertion holes, and a connecting piece is arranged at the right end of the insertion piece. Protective plates are fixedly connected to the upper side and the lower side of the connecting piece and the ends, close to the inserting pieces, of the upper side and the lower side of the connecting piece, connecting plates are fixedly connected to the sides, close to each other, of the two protective plates, trapezoidal protective blocks are fixedly connected to the front side and the rear side of the connecting piece, grooves are formed in the front side and the rear side of the top of the connecting piece, and a hand shifting block is arranged on the top of each groove; according to the utility model, through cooperative use of the jack, the vertical clamping teeth, the hand shifting block and the dismounting mechanism, when the insertion piece terminal is used, the damaged insertion piece can be independently replaced, the loss is reduced, and the service life of the insertion piece terminal is prolonged.
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Description

Technical Field

[0001] The utility model mainly relates to the technical field of plug-in terminals, in particular to plug-in and pull-resistant plug-in terminals. Background Art

[0002] Plug-in terminal, also known as pin terminal or plug-in terminal, is a commonly used electrical wiring method. It connects two wires through the plug-in terminal, which is very convenient and fast, and can be plugged in and out for multiple times. Plug-in terminal is widely used in household appliances, vehicles, ships, mechanical equipment, communication equipment and other fields, and is an indispensable component in electrical connectors.

[0003] After searching, the utility model with announcement number CN220984981U discloses a plug-in terminal, including a plug-in terminal and a terminal, the plug-in terminal and the terminal are fixedly connected, two sleeves are sleeved on the outer side of the terminal, and the sleeves are in conflict with each other, each sleeve is slidably connected to a sliding pin inside, and the sliding pin is fixedly connected to a pressing piece at one end close to the terminal, the outer sleeve of the sliding pin is provided with a spring, and the outer sides of the two sleeves are commonly connected to a threaded sleeve through a thread; this patent arranges two identical sleeves on the outside of the terminal of the plug-in terminal, so that the terminal can be wrapped up, and then a threaded sleeve is shared on the outside of the two sleeves. In this way, through the threaded connection between the threaded sleeve and the sleeve, it can cause lateral displacement, thereby causing the sliding pin to retract, and then the pressing piece with a tooth block at the bottom of the sliding pin can press the wire and the terminal, thereby improving the stability of the plug-in terminal when connected to the wire.

[0004] However, the above patented technical solution still has the following shortcomings when used:

[0005] 1. When the above patented technical solution is used, the plug will be highly worn during long-term plugging and unplugging, shortening the product life. However, the above patented technical solution cannot replace the damaged plug separately, resulting in more losses.

[0006] 2. When the above patented technical solution is used, there are no protective measures between the plug-in terminal and the terminal post, resulting in the plug-in terminal being easily broken when the force direction deviates when the plug-in terminal is plugged in or out, causing damage to the terminal and making it unable to continue to be used.

[0007] Therefore, we provide plug-resistant plug-in terminals to solve the defects of the above solutions. Utility Model Content

[0008] The utility model mainly provides a plug-and-pull resistant plug-in terminal, which is used to solve the technical problems raised in the above background technology.

[0009] The technical solution adopted by the utility model to solve the above technical problems is:

[0010] The resistant plug-in terminal comprises a plug-in piece, wherein a connecting groove is provided at the center of the upper and lower sides of the right end of the plug-in piece, and a plug-in hole is provided on the front and rear sides of the right end of the plug-in piece, and the inner walls on the side away from the two plug-ins are fixedly connected with vertical clamping teeth, and a slot is provided on the right end of the plug-in piece and on the side away from the two plug-ins, and a connecting piece is provided on the right end of the plug-in piece, and a protective plate is fixedly connected to the upper and lower sides of the connecting piece and one end close to the plug-in piece, and the two protective plates are fixedly connected to the connecting plate on the side close to the plug-in piece, and the front and rear sides of the connecting piece are fixedly connected with trapezoidal protective blocks, and the ends of the two trapezoidal protective blocks close to the plug-in piece are fixedly connected with the plug-in block, and the front and rear sides of the top of the connecting piece are provided with grooves, and each of the grooves is provided with a hand-operated block on the top, a transverse sliding groove is provided on the right inner wall of the connecting piece, and a slot is provided on the left side wall of the connecting piece, and a disassembly and assembly mechanism is provided inside the connecting piece.

[0011] Furthermore, the disassembly and assembly mechanism includes a fixed block fixedly connected to the inside of the connecting piece, the left and right ends of the front and rear sides of the fixed block are fixedly connected with return springs, the end of the return spring away from the fixed block is fixedly connected with a movable plate, the tops of the two movable plates are fixedly connected with connecting rods, the right sides of the two movable plates are fixedly connected with a limiting slider, and the left sides of the two movable plates are fixedly connected with a connecting tooth plate.

[0012] Furthermore, the movable plate is slidably connected to the transverse sliding groove opened on the right inner wall of the connecting piece through a limiting sliding block arranged on the right side, the connecting rod passes through the groove and is fixedly connected to the bottom of the hand shift block, the connecting rod is slidably connected to the groove, and a damper is provided inside the return spring.

[0013] Furthermore, the connecting tooth plate 1 is inserted through the slot, the connecting tooth plate 1 is slidably connected to the slot, the left end of the connecting piece is fitted with the right end of the insert, and the connecting tooth plate 1 is engaged with the vertical engaging tooth.

[0014] Furthermore, the protective plate is slidably connected to the connecting groove opened on the plug-in piece through the provided connecting plate, and the trapezoidal protective block is slidably connected to the slot opened on the right end of the plug-in piece through the provided plug-in block.

[0015] Furthermore, a terminal block is fixedly connected to the right side of the connecting piece, and a plurality of horizontal engaging teeth equidistantly distributed in a straight line are provided on the upper and lower sides of the terminal block, a sleeve is provided on the outer side of the terminal block, a threaded sleeve is threadedly connected to the outer side of the sleeve, a trapezoidal groove is provided inside the threaded sleeve, a terminal slot is provided inside the sleeve, a rubber plug is slidably connected to the right end of the terminal slot, a wire entry hole is provided at the right end of the rubber plug, a limiting groove is provided on the left inner wall of the terminal slot, two connecting tooth plates are provided on the upper and lower sides of the inside of the terminal slot, a guide slider is fixedly connected to the left ends of the two connecting tooth plates, a sliding pin is fixedly connected to the far side of the two connecting tooth plates, and a spring is provided on the outer side of the sliding pin.

[0016] Furthermore, the terminal plate is slidably connected to the sleeve, the connecting tooth plate 2 is slidably connected to the limit groove opened on the left inner wall of the terminal slot through a guide slider arranged on the left side, the connecting tooth plate 2 is engaged with the transverse engaging tooth, the sliding pin passes through the sleeve, the sliding pin is slidably connected to the penetration point of the sleeve, one end of the spring is fixedly connected to the connecting tooth plate 2, the other end of the spring is fixedly connected to the inner wall of the terminal slot, and the inner side of the spring is slidably connected to the outer side of the sliding pin.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. The utility model cooperates with the jack, the vertical engaging teeth, the hand-shift block and the disassembly and assembly mechanism. The plug-in piece will be worn out to a certain extent during the long-term plug-in and pull-out process. At this time, when the severely worn plug-in piece needs to be replaced, it is only necessary to shift the hand-shift block to disengage the connecting tooth plate from the vertical engaging teeth inside the jack, so that the plug-in piece can be removed and replaced with a new one for continued use. When the plug-in terminal is used, the damaged plug-in piece can be replaced separately, thereby reducing losses and increasing the service life of the plug-in terminal.

[0019] 2. The utility model uses a trapezoidal protective block, a plug block, a protective plate and a connecting plate in combination. The two protective plates can protect the lateral force on the connection between the plug and the connector, while the two trapezoidal protective blocks can protect the longitudinal force on the connection between the plug and the connector, thereby making the plug terminal more resistant to plugging and unplugging. When the plug terminal is in use, it can provide protective measures for the plug terminal to avoid breakage at the connection of the plug terminal, making the plug terminal more resistant to plugging and unplugging. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the assembly structure of the plug and the connector of the utility model;

[0022] Figure 3 This is a schematic diagram of the overall structure of the plug of the utility model;

[0023] Figure 4 This is a schematic diagram of the overall structure of the connector of the utility model;

[0024] Figure 5 This is a schematic diagram of the internal top view of the insert and the connector of the utility model;

[0025] Figure 6 It is a schematic diagram of the internal front view structure of the package sleeve of the present invention.

[0026] In the figure: 1, plug; 101, connecting groove; 102, slot; 103, jack; 104, vertical clamping teeth; 2, connector; 201, trapezoidal protective block; 202, wiring board; 203, horizontal clamping teeth; 204, plug; 205, protective plate; 206, connecting plate; 207, groove; 208, hand-operated block; 209, horizontal slide groove; 210, slot; 3, disassembly mechanism; 3 01, fixed block; 302, reset spring; 303, movable plate; 304, limit slider; 305, connecting rod; 306, connecting tooth plate 1; 4, sleeve; 401, wire entry hole; 402, threaded sleeve; 403, ladder groove; 404, wiring groove; 405, rubber plug; 406, limit groove; 407, connecting tooth plate 2; 408, guide slider; 409, sliding pin; 410, spring. DETAILED DESCRIPTION

[0027] In order to facilitate the understanding of the present invention, the present invention will be described in more detail below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings, but the present invention can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, these embodiments are provided to make the content disclosed in the present invention more thorough and comprehensive.

[0028] For examples, please refer to the attached Figure 1-6As shown, the plug-in resistant plug terminal comprises a plug 1, a connection groove 101 is provided at the center of the upper and lower sides of the right end of the plug 1, a plug hole 103 is provided at the front and rear sides of the right end of the plug 1, and a vertical clamping tooth 104 is fixedly connected to the inner wall of the side away from the two plug holes 103, a slot 102 is provided at the right end of the plug 1 and at the side away from the two plug holes 103, a connector 2 is provided at the right end of the plug 1, and a protective plate 205 is fixedly connected to the upper and lower sides of the connector 2 and one end close to the plug 1, and two protective plates 205 are fixedly connected. The guard plate 205 is fixedly connected to one side thereof; the connector 2 is fixedly connected to a trapezoidal protective block 201 on both the front and rear sides; the two trapezoidal protective blocks 201 are fixedly connected to an insert block 204 on one end thereof close to the insert piece 1; grooves 207 are provided on both the front and rear sides of the top of the connector 2; a hand-operated block 208 is provided on the top of each groove 207; a transverse sliding groove 209 is provided on the right inner wall of the connector 2; a groove 210 is provided on the left side wall of the connector 2; and a disassembly and assembly mechanism 3 is provided inside the connector 2.

[0029] The disassembly and assembly mechanism 3 includes a fixed block 301 fixedly connected to the inside of the connecting member 2, and the left and right ends of the front and rear sides of the fixed block 301 are fixedly connected with a return spring 302, and the end of the return spring 302 away from the fixed block 301 is fixedly connected to a movable plate 303, and the tops of the two movable plates 303 are fixedly connected with a connecting rod 305, and the right sides of the two movable plates 303 are fixedly connected with a limited slider 304, and the left sides of the two movable plates 303 are fixedly connected with a connecting tooth plate 306, and the movable plate 303 is slidably connected to the horizontal sliding groove 209 provided on the right inner wall of the connecting member 2 through the limited slider 304 provided on the right side, and the connecting rod 305 is inserted through the groove 207 and fixedly connected to the bottom of the hand-shift block 208, and the connecting rod 305 is connected to the groove 2 07 sliding connection, and a damper is provided inside the return spring 302, the connecting tooth plate 306 is inserted through the slot 210, the connecting tooth plate 306 is slidably connected with the slot 210, the left end of the connector 2 fits with the right end of the plug 1, and the connecting tooth plate 306 is engaged with the vertical engaging tooth 104. The plug 1 will show certain wear during the long-term plug-in and pull-out process. At this time, when the severely worn plug 1 needs to be replaced, it is only necessary to push the hand shift block 208 to disengage the connecting tooth plate 306 from the vertical engaging tooth 104 inside the socket 103, so that the plug 1 can be removed, and a new plug 1 can be replaced for continued use. The damaged plug can be replaced separately, which reduces losses and increases the service life of the plug terminal.

[0030] Among them, the protective plate 205 is slidably connected to the connecting groove 101 opened on the plug 1 through the set connecting plate 206, and the trapezoidal protective block 201 is slidably connected to the slot 102 opened at the right end of the plug 1 through the set plug block 204. The two set protective plates 205 can protect the lateral force applied to the connection between the plug 1 and the connector 2, while the two set trapezoidal protective blocks 201 can protect the longitudinal force applied to the connection between the plug 1 and the connector 2, and can provide protection measures for the plug terminals to avoid breakage at the connection of the plug terminals, making the plug terminals more resistant to plugging and unplugging.

[0031] Among them, a terminal block 202 is fixedly connected to the right side of the connector 2, and a number of horizontal engaging teeth 203 equidistantly distributed in a straight line are provided on the upper and lower sides of the terminal block 202. A sleeve 4 is provided on the outer side of the terminal block 202, and a threaded sleeve 402 is threadedly connected to the outer side of the sleeve 4. A trapezoidal groove 403 is provided inside the threaded sleeve 402, and a wiring groove 404 is provided inside the sleeve 4. A rubber plug 405 is slidably connected to the right end of the wiring groove 404, and a wire entry hole 401 is provided at the right end of the rubber plug 405. A limiting groove 406 is provided on the left inner wall of the wiring groove 404. A second connecting tooth plate 407 is provided on the upper and lower sides of the wiring groove 404, and the left ends of the two connecting tooth plates 407 are fixedly connected to a guide slider 408, and the two connecting tooth plates 407 are fixedly connected to the side away from each other with a sliding pin 409, and a spring 410 is provided on the outer side of the sliding pin 409. The terminal block 202 is slidably connected to the sleeve 4, and the connecting tooth plate 407 is connected to the guide slider 408. The guide slider 408 arranged on the left side is slidably connected with the limit groove 406 opened on the left inner wall of the wiring groove 404, the connecting tooth plate 407 is engaged with the horizontal engaging tooth 203, the sliding pin 409 passes through the sleeve 4, and the sliding pin 409 is slidably connected with the sleeve 4 at the penetration point, one end of the spring 410 is fixedly connected with the connecting tooth plate 407, and the other end of the spring 410 is fixedly connected with the inner wall of the wiring groove 404, and the inner side of the spring 410 is slidably connected with the outer side of the sliding pin 409. During assembly, the rubber plug 405 and the threaded sleeve 402 are put on the outside of the wire, and then the peeled end of the wire is normally wrapped around the wiring board 202, and then the sleeve 4 is wrapped around the wiring board 202, and then the threaded sleeve 402 is rotated so that the trapezoidal groove 403 squeezes the sliding pin 409 until the connecting tooth plate 407 is engaged with the horizontal engaging tooth 203 arranged on the wiring board 202, thereby improving the stability of the plug terminal when connected to the wire.

[0032] The specific operation mode of the utility model is as follows:

[0033] First, during assembly, the rubber plug 405 and the threaded sleeve 402 are put on the outside of the wire, and then the peeled end of the wire is normally wrapped around the terminal block 202, and then the sheath 4 is wrapped around the terminal block 202, and then the threaded sleeve 402 is rotated to make the trapezoidal groove 403 squeeze the sliding pin 409 until the connecting tooth plate 407 is engaged with the horizontal engaging tooth 203 provided on the terminal block 202, thereby improving the stability of the connection between the plug terminal and the wire. When the plug 1 is worn out during long-term plugging and unplugging, a certain amount of wear and tear will occur. At this time, when the severely worn plug 1 needs to be replaced, only the hand shift block needs to be turned. 208, the connecting tooth plate 306 is disengaged from the vertical engaging tooth 104 inside the socket 103, the plug 1 can be removed, and a new plug 1 can be replaced for continued use, so that the damaged plug can be replaced separately, reducing losses and increasing the service life of the plug terminal. The two protective plates 205 can protect the lateral force on the connection between the plug 1 and the connector 2, and the two trapezoidal protective blocks 201 can protect the longitudinal force on the connection between the plug 1 and the connector 2, avoiding breakage at the connection of the plug terminal, making the plug terminal more resistant to plugging and unplugging.

[0034] The above description of the utility model in combination with the accompanying drawings is an exemplary description. Obviously, the specific implementation of the utility model is not limited to the above-mentioned method. As long as the non-substantial improvements are made by adopting the method concept and technical solution of the utility model, or the concept and technical solution of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A plug-in-resistant plug-in terminal, comprising a plug-in (1), characterized in that: The insert (1) has connection grooves (101) at the center of both upper and lower sides of the right end, and both front and rear sides of the right end of the insert (1) have insertion holes (103). The inner walls of the two insertion holes (103) are fixedly connected with vertical engaging teeth (104) on the sides away from each other. The insert (1) has a slot (102) at the right end and on the sides away from the two insertion holes (103). The insert (1) has a connection piece (2) at the right end, and protective plates (205) are fixedly connected at both upper and lower sides of the connection piece (2) and at one end close to the insert (1). The two protective plates (205) are close to one another. The connecting member (2) is fixedly connected to a connecting plate (206) on both sides, the front and rear sides of the connecting member (2) are fixedly connected to a trapezoidal protective block (201), one end of the two trapezoidal protective blocks (201) close to the plug piece (1) is fixedly connected to an insert block (204), the front and rear sides of the top of the connecting member (2) are provided with grooves (207), the top of each groove (207) is provided with a hand-operated block (208), the right inner wall of the connecting member (2) is provided with a transverse sliding groove (209), the left side wall of the connecting member (2) is provided with a groove (210), and a disassembly mechanism (3) is provided inside the connecting member (2).

2. The plug-resistant plug terminal according to claim 1, characterized in that: The disassembly and assembly mechanism (3) comprises a fixed block (301) fixedly connected to the inside of the connecting member (2); both left and right ends of the front and rear sides of the fixed block (301) are fixedly connected to return springs (302); one end of the return spring (302) away from the fixed block (301) is fixedly connected to a movable plate (303); the tops of the two movable plates (303) are fixedly connected to connecting rods (305); the right sides of the two movable plates (303) are fixedly connected to limiting sliders (304); and the left sides of the two movable plates (303) are fixedly connected to connecting tooth plates (306).

3. The plug-resistant plug terminal according to claim 2, characterized in that: The movable plate (303) is slidably connected to a transverse sliding groove (209) provided on the right inner wall of the connecting member (2) via a limiting sliding block (304) provided on the right side; the connecting rod (305) passes through the groove (207) and is fixedly connected to the bottom of the hand-shift block (208); the connecting rod (305) is slidably connected to the groove (207); and a damper is provided inside the return spring (302).

4. The plug-resistant plug terminal according to claim 2, characterized in that: The connecting tooth plate 1 (306) is inserted through the slot (210), the connecting tooth plate 1 (306) is slidably connected to the slot (210), the left end of the connecting member (2) is in contact with the right end of the insert (1), and the connecting tooth plate 1 (306) is engaged with the vertical engaging tooth (104).

5. The plug-resistant plug terminal according to claim 1, characterized in that: The protective plate (205) is slidably connected to a connection groove (101) provided on the insert plate (1) via a provided connection plate (206), and the trapezoidal protective block (201) is slidably connected to a slot (102) provided at the right end of the insert plate (1) via a provided insert block (204).

6. The plug-resistant plug terminal according to claim 1, characterized in that: The right side of the connecting member (2) is fixedly connected to a wiring board (202); the wiring board (202) is provided with a plurality of horizontal engaging teeth (203) arranged in a straight line and spaced evenly on both upper and lower sides; a sleeve (4) is sleeved on the outside of the wiring board (202); a threaded sleeve (402) is threadedly connected to the outside of the sleeve (4); a ladder-shaped groove (403) is provided inside the threaded sleeve (402); a wiring groove (404) is provided inside the sleeve (4); a rubber plug (204) is slidably connected to the right end of the wiring groove (404) 405), a wire entry hole (401) is provided at the right end of the rubber plug (405), a limit groove (406) is provided on the left inner wall of the wiring slot (404), and two connecting tooth plates (407) are provided on the upper and lower sides inside the wiring slot (404), and the left ends of the two connecting tooth plates (407) are fixedly connected to guide sliders (408), and the two connecting tooth plates (407) are fixedly connected to the sides away from each other with sliding pins (409), and the outer side of the sliding pin (409) is provided with a spring (410).

7. The plug-resistant plug terminal according to claim 6, characterized in that: The wiring board (202) is slidably connected to the sleeve (4); the second connecting tooth plate (407) is slidably connected to a limit groove (406) provided on the left inner wall of the wiring slot (404) via a guide slider (408) provided on the left; the second connecting tooth plate (407) is engaged with the transverse engaging tooth (203); the sliding pin (409) passes through the sleeve (4); the sliding pin (409) is slidably connected to the penetration point of the sleeve (4); one end of the spring (410) is fixedly connected to the second connecting tooth plate (407); the other end of the spring (410) is fixedly connected to the inner wall of the wiring slot (404); and the inner side of the spring (410) is slidably connected to the outer side of the sliding pin (409).

Citation Information

Patent Citations

  • A plug terminal

    CN220984981U