An electrical connector with locking structure

Abstract

The utility model discloses a kind of electric connectors with locking structure, comprising: connector body unit, it includes plug and socket, the socket is provided with the insertion interface for the plug insertion;Locking unit, it includes the lock cylinder assembly being set to the inside of socket and the locking assembly being set to the outside of plug;Wherein, lock cylinder assembly includes two symmetrically arranged lock rods, lock hole is provided on the lock rod, the plug includes two symmetrically arranged lock tongue, when the insertion insertion interface of plug, lock tongue is located inside lock hole.The utility model is designed through locking unit, plug and socket can be reliably locked after insertion, effectively prevent loosening, falling off in the case of vibration, impact, external force pulling etc., ensure the stability and reliability of circuit connection.

Description

Technical Field

[0001] This utility model relates to the field of electrical connector technology, and in particular to an electrical connector with a locking structure. Background Technology

[0002] In modern electronic devices and electrical systems, electrical connectors are key components for circuit connection and signal transmission, and their performance directly affects the stability and reliability of the equipment. With the rapid development of electronic technology, the requirements for electrical connectors in various electronic devices are constantly increasing, especially in complex and variable working environments, such as vibration, shock, high temperature, and humidity, where electrical connectors need to maintain good electrical connection performance at all times.

[0003] However, most electrical connectors commonly found on the market today use a simple plug-in structure for connection. This traditional structure is prone to loosening and detachment when subjected to severe vibration or external pulling force, which can lead to circuit interruption, abnormal signal transmission, and in severe cases, even equipment failure or safety accidents. Utility Model Content

[0004] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the present invention.

[0005] In view of the problems existing in the current type of electrical connector with locking structure, this utility model is proposed.

[0006] Therefore, the purpose of this utility model is to provide an electrical connector with a locking structure, which is suitable for solving the problem of existing electrical connectors being prone to loosening and falling off in complex environments.

[0007] To solve the above-mentioned technical problems, this utility model provides the following technical solution: an electrical connector with a locking structure, comprising:

[0008] The connector body unit includes a plug and a socket, the socket being provided with a connector for inserting the plug; the locking unit includes a lock cylinder assembly disposed inside the socket and a locking assembly disposed outside the plug; wherein, the lock cylinder assembly includes two symmetrically arranged lock rods, each lock rod being provided with a lock hole, and the plug includes two symmetrically arranged lock tongues, the lock tongues being located inside the lock holes when the plug is inserted into the connector.

[0009] As a preferred embodiment of the electrical connector with locking structure described in this utility model, the lock core assembly further includes a cavity disposed inside the socket, a slide rod fixedly connected inside the cavity, two locking rods being slidably sleeved on the two ends of the slide rod, the sliding mating surface of the slide rod and the locking rod having a square cross section, and one end of the locking rod passing through the cavity and extending to the outside of the socket.

[0010] In a preferred embodiment of the electrical connector with locking structure described in this utility model, a guide rod is provided inside the empty chamber. One end of the guide rod is fixedly installed on the slide rod. A compression head is slidably sleeved on the end of the guide rod. A spring seat is fixedly sleeved on the end of the compression head near the slide rod. A return spring is sleeved on the outer surface of the guide rod. The two ends of the return spring abut against the slide rod and the spring seat, respectively.

[0011] In a preferred embodiment of the electrical connector with locking structure described in this utility model, the spring seat is symmetrically provided with connecting seats, the locking rod is fixedly connected to a hinge seat at one end located in the empty chamber, and a connecting rod is rotatably installed between the connecting seat and the hinge seat.

[0012] As a preferred embodiment of the electrical connector with locking structure described in this utility model, the locking component includes a wedge block fixedly installed on the latch, the wedge block being located on the side of the latch away from the plug, the sum of the thickness of the wedge block and the height of the latch being less than the depth of the lock hole, and the locking rod being located between the wedge block and the plug when the plug is inserted into the connector.

[0013] As a preferred embodiment of the electrical connector with locking structure described in this utility model, the locking assembly further includes a U-shaped frame, which is fixedly installed on the plug. A gear is rotatably connected between the inner wall of the U-shaped frame and the plug. A drive gear and a limit gear are fixedly connected to the sides of the two locking tongues that are close to each other. The drive gear and the limit gear are symmetrically distributed along the radial direction of the gear, and both the drive gear and the limit gear are meshed with the gear.

[0014] As a preferred embodiment of the electrical connector with locking structure described in this utility model, wherein: a spring cylinder communicating with the slanted frame is fixedly connected to one side of the slanted frame, one end of the drive gear extends into the interior of the spring cylinder, a drive spring is fixedly connected inside the spring cylinder, and the two ends of the drive spring abut against the bottom of the spring cylinder and the end of the drive gear, respectively.

[0015] In a preferred embodiment of the electrical connector with locking structure described in this utility model, the end of the limiting tooth bar away from the locking tongue passes through the U-shaped frame and is fixedly connected to a limiting block, the limiting block being used to limit the maximum vertical movement distance of the limiting tooth bar.

[0016] The beneficial effects of this utility model are: through the design of the locking unit, the plug and socket can be reliably locked after insertion, effectively preventing loosening or falling off under conditions such as vibration, impact, and external pulling, thus ensuring the stability and reliability of the circuit connection;

[0017] During the insertion and removal of the plug, automatic locking is achieved through the coordinated action of wedge blocks, springs, and connecting rods. To unlock, simply press the two locking rods together with two fingers to unlock, making the operation convenient and quick. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0019] Figure 1 This is a schematic diagram of the overall structure of an electrical connector with a locking structure proposed in this utility model;

[0020] Figure 2 This is a schematic diagram of the socket structure of an electrical connector with a locking structure proposed in this utility model;

[0021] Figure 3 This is a partial structural diagram of the lock core assembly of an electrical connector with a locking structure proposed in this utility model;

[0022] Figure 4 This is a schematic diagram of the locking component structure of an electrical connector with a locking structure proposed in this utility model.

[0023] Figure descriptions: 100, connector body unit; 101, plug; 101a, locking tongue; 101b, wedge block; 102, socket; 102a, insertion interface;

[0024] 200, Locking unit; 201, Lock cylinder assembly; 201a, Locking rod; 201b, Lock hole; 201c, Empty chamber; 201d, Slide rod; 201e, Guide rod; 201f, Pressing head; 201g, Spring seat; 201h, Return spring; 201i, Connecting seat; 201j, Hinge seat; 201k, Connecting rod; 202, Locking assembly; 202a, U-shaped frame; 202b, Gear; 202c, Drive rack; 202d, Limit rack; 202e, Spring cylinder; 202f, Drive spring; 202g, Limit block. Detailed Implementation

[0025] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0026] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0027] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.

[0028] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not adhering to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, actual manufacturing should include the three-dimensional spatial dimensions of length, width, and depth.

[0029] Example 1

[0030] Reference Figures 1-4 As an embodiment of the present invention, an electrical connector with a locking structure is provided, comprising: a connector body unit 100 and a locking unit 200.

[0031] The connector body unit 100 includes a plug 101 and a socket 102. The socket 102 is provided with a plug interface 102a for inserting the plug 101. The plug interface 102a provides a channel for the plug 101 to be accurately inserted, ensuring the accuracy of the initial docking between the two.

[0032] The locking unit 200 consists of a lock cylinder assembly 201 disposed inside the socket 102 and a locking assembly 202 disposed outside the plug 101. Two symmetrically arranged locking rods 201a in the lock cylinder assembly 201 play a crucial role, with locking holes 201b on the locking rods 201a for engaging with the locking tongues 101a of the plug 101. The two locking tongues 101a of the plug 101 are also symmetrically distributed; when the plug 101 is inserted into the connector 102a, the locking tongues 101a are embedded inside the locking holes 201b. The function of the locking rods 201a is to restrict the position of the locking tongues 101a, preventing the plug 101 from arbitrarily dislodging from the socket 102, providing a certain degree of stability for the electrical connector connection, and avoiding connection interruption due to slight external force during normal use.

[0033] When a circuit connection is required, the operator aligns the plug 101 with the insertion interface 102a of the socket 102 and applies a certain pushing force to insert the plug 101 into the interface 102a. During insertion, the locking tongue 101a of the plug 101 gradually approaches the locking hole 201b on the locking lever 201a. When the plug 101 is fully inserted, the locking tongue 101a is located inside the locking hole 201b, at which point the plug 101 and the socket 102 achieve initial mating connection. The locking lever 201a serves to position and restrict the position of the locking tongue 101a, preventing the plug 101 from easily dislodging from the socket 102 under certain external force, thus ensuring the basic connection stability of the electrical connector.

[0034] The locking tongue 101a and the locking hole 201b work together to provide a basic locking function for the electrical connector. In a relatively stable environment, this can meet general connection requirements, prevent the plug 101 from loosening due to slight shaking or external pulling, ensure the basic stability of the circuit connection, and improve the reliability of the electrical connector in normal use scenarios.

[0035] Example 2

[0036] Reference Figures 1-4 This is the second embodiment of the present invention. Unlike the previous embodiment, the lock cylinder assembly 201, in addition to the locking rod 201a and the lock hole 201b, also includes a cavity 201c disposed inside the socket 102. The cavity 201c provides space for the installation and movement of components such as the locking rod 201a. A sliding rod 201d fixedly connected inside the cavity 201c serves as a guide. The two locking rods 201a are slidably fitted onto the two ends of the sliding rod 201d. The sliding mating surface between the sliding rod 201d and the locking rod 201a is designed with a square cross-section. This design prevents the locking rod 201a from rotating during sliding, ensuring that the lock hole 201b is always accurately aligned with the bolt 101a, thus guaranteeing locking accuracy. One end of the locking rod 201a passes through the cavity 201c and extends to the outside of the socket 102, facilitating interaction with the locking assembly 202 of the plug 101.

[0037] Inside the empty chamber 201c, one end of the guide rod 201e is fixed to the slide rod 201d, and the other end is slidably fitted with a pressing head 201f. A spring seat 201g is fixedly fitted to the end of the pressing head 201f near the slide rod 201d. A return spring 201h, fitted on the outer surface of the guide rod 201e, abuts against the slide rod 201d and the spring seat 201g at both ends. The guide rod 201e provides a precise path for the sliding of the pressing head 201f. When the pressing head 201f slides, it compresses the return spring 201h. The return spring 201h stores elastic potential energy and can push the pressing head 201f back to its original position when needed.

[0038] The connecting seat 201i symmetrically arranged on the spring seat 201g and the hinge seat 201j located at one end of the locking rod 201a inside the empty chamber 201c are rotatably connected by the connecting rod 201k. The function of the connecting rod 201k is to transmit the movement of the extrusion head 201f to the locking rod 201a. When the extrusion head 201f slides on the guide rod 201e, the connecting rod 201k drives the locking rod 201a to slide accordingly on the slide rod 201d.

[0039] The wedge block 101b in the locking assembly 202 is fixedly mounted on the latch 101a, located on the side of the latch 101a away from the plug 101. The sum of the thickness of the wedge block 101b and the height of the latch 101a is less than the depth of the lock hole 201b. When the plug 101 is inserted into the insertion interface 102a, the locking lever 201a is located between the wedge block 101b and the plug 101. The wedge block 101b acts as a guide and pushes the locking lever 201a during the insertion of the plug 101. Its inclined surface can convert the thrust of the plug 101 into a force that pushes the locking lever 201a to slide to both sides.

[0040] The locking assembly 202 also includes a U-shaped bracket 202a fixedly mounted on the plug 101. A gear 202b is rotatably connected between the inner wall of the U-shaped bracket 202a and the plug 101. A drive rack 202c and a limiting rack 202d are fixedly connected to the sides of the two latches 101a that are close to each other. The drive rack 202c and the limiting rack 202d are symmetrically distributed radially along the gear 202b and are both meshed with the gear 202b. The U-shaped bracket 202a provides a stable support structure for the gear 202b and the rack. Under the action of the drive spring 202f, the drive rack 202c drives the gear 202b to rotate, and the gear 202b then drives the limiting rack 202d to move synchronously, ensuring that the two latches 101a can be synchronously and accurately inserted into the lock hole 201b.

[0041] A spring cylinder 202e, fixedly connected to one side of the U-shaped frame 202a, communicates with the U-shaped frame 202a. One end of the drive rack 202c extends into the spring cylinder 202e. The two ends of the drive spring 202f inside the spring cylinder 202e abut against the bottom of the spring cylinder 202e and the end of the drive rack 202c, respectively. The drive spring 202f is in a compressed state, providing preload to the drive rack 202c, ensuring that the drive rack 202c always has a tendency to move outward, thus ensuring that the two locking tongues 101a can smoothly and accurately achieve the locking action during the insertion of the plug 101. The end of the limiting rack 202d away from the locking tongue 101a passes through the U-shaped frame 202a and is fixedly connected to the limiting block 202g. The limiting block 202g forms a limiting gap with the outer wall of the U-shaped frame 202a, limiting the maximum vertical movement distance of the limiting rack 202d, preventing excessive movement from causing structural damage, and protecting the stability and reliability of the entire device.

[0042] When inserting the plug 101, the operator aligns the plug 101 with the socket 102 interface 102a and applies a pushing force. After the plug 101 enters the interface 102a, the wedge block 101b on the locking tongue 101a first contacts the locking rod 201a, and the inclined surface of the wedge block 101b pushes the locking rod 201a to slide to both sides. The locking rod 201a moves smoothly under the guidance of the slide rod 201d, and at the same time, it drives the connecting seat 201i on the spring seat 201g to move through the connecting rod 201k, so that the pressing head 201f slides on the guide rod 201e and compresses the return spring 201h.

[0043] During this process, the preload of the drive spring 202f causes the drive rack 202c to rotate the gear 202b, which in turn drives the limiting rack 202d to move synchronously, ensuring that the two locking tongues 101a approach the lock hole 201b simultaneously. When the plug 101 is fully inserted, the locking tongue 101a is accurately embedded in the lock hole 201b, at which point the locking rod 201a is located between the wedge block 101b and the plug 101, completing the locking process.

[0044] When it is necessary to unplug the plug 101, the operator applies a pulling force to the plug 101, and the engagement between the wedge block 101b and the locking rod 201a gradually loosens. The return spring 201h releases its elastic potential energy, pushing the pressing head 201f to slide in the opposite direction, which in turn drives the locking rod 201a to slide towards the center through the connecting rod 201k, causing the locking hole 201b to disengage from the locking tongue 101a, and finally the plug 101 is successfully unplugged.

[0045] The performance of the electrical connector has been significantly improved. The automatic locking and unlocking functions make operation simpler and more efficient, greatly enhancing its ability to adapt to complex working environments. When faced with severe vibrations and frequent external pulling forces, the electrical connector maintains a stable connection, reducing the probability of circuit interruptions and signal transmission abnormalities, and ensuring the normal operation of electronic equipment and electrical systems. The mutual cooperation and checks and balances of the various components improve the reliability and service life of the entire device, giving it higher practical value and market competitiveness.

[0046] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. An electrical connector with a locking structure, characterized in that, include: The connector body unit (100) includes a plug (101) and a socket (102), the socket (102) being provided with a plug interface (102a) for inserting the plug (101); The locking unit (200) includes a lock cylinder assembly (201) disposed inside the socket (102) and a locking assembly (202) disposed outside the plug (101); The lock cylinder assembly (201) includes two symmetrically arranged lock rods (201a), each lock rod (201a) having a lock hole (201b). The plug (101) includes two symmetrically arranged latches (101a). When the plug (101) is inserted into the plug interface (102a), the latches (101a) are located inside the lock hole (201b).

2. An electrical connector with a locking structure according to claim 1, characterized in that: The lock cylinder assembly (201) also includes a cavity (201c) disposed inside the socket (102). A slide rod (201d) is fixedly connected inside the cavity (201c). Two locking rods (201a) are slidably sleeved on the two ends of the slide rod (201d). The sliding mating surface between the slide rod (201d) and the locking rod (201a) is a square cross section. One end of the locking rod (201a) passes through the cavity (201c) and extends to the outside of the socket (102).

3. An electrical connector with a locking structure according to claim 2, characterized in that: The empty compartment (201c) is provided with a guide rod (201e). One end of the guide rod (201e) is fixedly installed on the slide rod (201d). A pressing head (201f) is slidably sleeved on the end of the guide rod (201e). A spring seat (201g) is fixedly sleeved on the end of the pressing head (201f) near the slide rod (201d). A return spring (201h) is sleeved on the outer surface of the guide rod (201e). The two ends of the return spring (201h) abut against the slide rod (201d) and the spring seat (201g) respectively.

4. An electrical connector with a locking structure according to claim 3, characterized in that: A connecting seat (201i) is symmetrically arranged on the spring seat (201g). A hinge seat (201j) is fixedly connected to one end of the locking rod (201a) located in the empty chamber (201c). A connecting rod (201k) is rotatably installed between the connecting seat (201i) and the hinge seat (201j).

5. An electrical connector with a locking structure according to claim 4, characterized in that: The locking assembly (202) includes a wedge block (101b) fixedly mounted on the latch (101a). The wedge block (101b) is located on the side of the latch (101a) away from the plug (101). The sum of the thickness of the wedge block (101b) and the height of the latch (101a) is less than the depth of the lock hole (201b). When the plug (101) is inserted into the insertion interface (102a), the locking bar (201a) is located between the wedge block (101b) and the plug (101).

6. An electrical connector with a locking structure according to claim 5, characterized in that: The locking assembly (202) further includes a U-shaped frame (202a), which is fixedly installed on the plug (101). A gear (202b) is rotatably connected between the inner wall of the U-shaped frame (202a) and the plug (101). A drive rack (202c) and a limit rack (202d) are fixedly connected to the sides of the two locking tongues (101a) that are close to each other. The drive rack (202c) and the limit rack (202d) are symmetrically distributed radially along the gear (202b). Both the drive rack (202c) and the limit rack (202d) are meshed with the gear (202b).

7. An electrical connector with a locking structure according to claim 6, characterized in that: A spring cylinder (202e) communicating with the slanted frame (202a) is fixedly connected to one side of the slanted frame (202a). One end of the drive rack (202c) extends into the interior of the spring cylinder (202e). A drive spring (202f) is fixedly connected inside the spring cylinder (202e). The two ends of the drive spring (202f) abut against the bottom of the spring cylinder (202e) and the end of the drive rack (202c), respectively.

8. An electrical connector with a locking structure according to claim 7, characterized in that: The end of the limiting toothed rod (202d) away from the locking tongue (101a) passes through the swivel frame (202a) and is fixedly connected to the limiting block (202g), which is used to limit the maximum vertical movement distance of the limiting toothed rod (202d).

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