Electric connector combination

Abstract

The utility model provides an electric connector combination, which comprises a plug and a socket, and a first body of the plug is provided with a butt joint part and a lock catch plate positioned above the butt joint part; a second body of the socket is provided with a butt joint frame for accommodating the butt joint part and a locking arm positioned above the butt joint frame; a clamping groove for clamping the butt joint frame is formed between the lock catch plate and the butt joint part, and a pair of convex lock catch lugs is formed on the outer side surface of the lock catch plate; the lock catch arm is in a plate shape, the bottom surface of the lock catch arm is provided with a pair of limiting protruding parts formed by protruding downwards, and the pair of limiting protruding parts are matched with the pair of lock catch protruding blocks in a buckled mode. According to the utility model, through optimizing the structure of the locking plate of the plug and the locking arm of the socket, stable and reliable connection can be realized through the mutual buckling of the locking plate and the locking arm, and the interference sliding distance between the locking plate and the locking arm is effectively reduced, so that the locking arm is not easy to deform or fall off; the matching strength of the plug and the socket is ensured.

Description

Technical Field

[0001] The utility model relates to the field of electrical connection, in particular to an electrical connector combination. Background Art

[0002] Cable harness connectors are a very common type of electrical connector used in industrial equipment, electronic devices, automobiles, and other fields. They are used to connect cables and plug them into another connector to achieve electrical transmission. In the automotive field, this type of connector is particularly widely used, and due to the particularity of its use environment, the reliability and stability of the connector are very high. It must be able to maintain normal operation in high temperature and high humidity environments and various harsh outdoor environments. Therefore, the connection strength and connection retention between automotive connectors have always been issues that need to be considered in the design stage. In some application scenarios (such as disassembly, inspection, etc.), the connector needs to be plugged in and out, and the locking mechanism of the connector is often deformed or damaged during operation due to frequent plugging and unplugging or aging of the plastic, thereby losing its effective locking ability, resulting in insufficient connection strength or loosening of the connector, causing the connection to fail. Utility Model Content

[0003] The technical problem solved by the utility model is to provide an electrical connector assembly to improve the problem in the prior art that the locking mechanism is easily deformed and damaged, thereby affecting the connection strength.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions: an electrical connector combination, comprising a plug and a socket that are plugged into and matched with each other, the plug comprising a first body and a plurality of first terminals accommodated in the first body, the first body being provided with a docking portion and a locking plate located above the docking portion; the socket comprising a second body and a plurality of second terminals accommodated in the second body, the second body being provided with a docking frame for accommodating the docking portion and a locking arm located above the docking frame; a clamping groove for clamping the docking frame is formed between the locking plate and the docking portion, and a pair of protruding locking bumps are formed on the outer surface of the locking plate; the locking arm is plate-shaped, and a pair of limiting bumps are provided on the bottom surface of the locking arm to form a downwardly protruding pair, and the pair of limiting bumps are snap-fitted with the pair of locking bumps.

[0005] Furthermore, along the plugging direction of the plug and the socket, the extension length of the locking protrusion does not exceed one half of the extension length of the locking plate.

[0006] Furthermore, a slope surface and a locking surface are formed on the locking protrusion, and the two are respectively located on the front and rear sides of the locking protrusion, and the angle between the slope surface and the outer surface is smaller than the angle between the locking surface and the outer surface.

[0007] Furthermore, the angle between the locking surface and the outer surface is 60-90 degrees, and the slope surface is connected to the outer surface.

[0008] Furthermore, a retaining groove for accommodating the locking plate is formed between the docking frame and the locking arm, the docking frame is provided with a top wall and a bottom wall, a pair of upwardly protruding baffles are formed on the outer surface of the top wall, and the locking arm is located between the pair of baffles.

[0009] Furthermore, the top wall of the docking frame is clamped in the clamping groove.

[0010] Furthermore, the pair of limiting protrusions are respectively located on the left and right sides of the locking arm, and the pair of locking protrusions are distributed on the left and right sides of the locking plate.

[0011] Furthermore, a guiding slope is formed on the limiting protrusion, and the guiding slope extends obliquely upward and engages with the end edge of the locking arm.

[0012] Furthermore, a plurality of cable holes are provided on the surfaces of the first body and the second body for cables to pass through.

[0013] Compared with the prior art, the utility model optimizes the structure of the locking plate of the plug and the locking arm of the socket so that the plug-in cooperation between the two can achieve a stable and reliable connection with the help of the mutual snapping of the locking plate and the locking arm, and the interference sliding distance between the locking plate and the locking arm is effectively reduced, so that the locking arm is not easy to deform or fall off, thereby ensuring the matching strength of the plug and the socket. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the electrical connector assembly of the utility model.

[0015] Figure 2 It is a cross-sectional view of the socket of the electrical connector assembly of the utility model.

[0016] Figure 3 This is a diagram of the internal structure of the socket and the plug of the electrical connector combination of the utility model.

[0017] Figure 4 It is a cross-sectional view of the socket and the plug of the electrical connector assembly of the utility model in the plugged-in state.

[0018] Figure 5 The figure is a diagram showing the internal structure of the socket of the electrical connector assembly of the utility model.

[0019] Figure 6 It is a partial bottom schematic diagram of the locking plate and locking arm of the electrical connector assembly of the utility model.

[0020] Figure 7It is a cross-sectional schematic diagram of the locking plate of the electrical connector assembly of the utility model. DETAILED DESCRIPTION

[0021] See also Figures 1 to 7 As shown, the utility model provides an electrical connector combination, including a plug 100 and a socket 200 that are plugged into each other. Preferably, the plug 100 and the socket 200 are both wiring harness connectors or cable connections for connecting wiring harnesses or cables. They can be used in industrial fields such as automobiles. Of course, they can also be used in technological products such as consumer electronics and computers, which is not limited here.

[0022] The plug 100 includes a first body 110, a plurality of first terminals (not shown) received in the first body 110, the first body 110 is obtained by injection molding of non-insulating plastic, and the first body 110 is provided with a docking portion 130, a locking plate 140 located above the docking portion 130, and a base 150 formed at the rear side of the docking portion 130 and the locking plate 140, and the rear side of the docking portion 130 and the locking plate 140 are integrally connected with the base 150. Among them, the docking portion 130 is provided with a plurality of first terminal grooves 131 for accommodating the plurality of first terminals (not shown), and the plurality of first terminal grooves 131 penetrate the docking portion 130 and the base 150 in the front-to-back direction, and a plurality of wiring holes 132 are formed on the surface of the base 150 for cables / wiring harnesses to pass through. The locking plate 140 is in the shape of a flat plate, which is located above the docking portion 130, and a clamping groove 141 is formed between the docking portion 130 and the locking plate 140 for clamping the top wall 231 of the docking frame 230 of the socket 200. Preferably, the locking plate 140 is formed with a pair of protruding locking protrusions 142 on the outer surface 145 away from the clamping groove 141. The pair of locking protrusions 142 protrude from the outer surface 145 of the locking plate 140 and are distributed on the left and right sides of the locking plate 140, and are used for snap-fitting with the locking arm 250 of the socket 200. Preferably, a sloped surface is formed on the locking protrusion 142. 143 and a locking surface 144, both of which are located on the front and rear sides of the locking protrusion 142, respectively, the slope surface 143 is used to guide the locking arm 250 of the socket 200 to be inserted smoothly, and the locking surface 144 is used to stop the locking arm 250 from being disengaged from the lock, wherein the bottom of the slope surface 143 is smoothly connected with the outer surface 145 of the locking plate 140, and the angle between the slope surface 143 and the outer surface 145 is smaller than the angle between the locking surface 144 and the outer surface 145. Preferably, the angle between the locking surface 144 and the outer surface 145 is 60-90 degrees.

[0023] The socket 200 includes a second body 210, a plurality of second terminals (not shown) received in the second body 210, wherein the second body 210 is provided with a docking frame 230, a docking cavity 240 formed in the docking frame 230, a locking arm 250 located above the docking frame 230, and a main body 260 surrounding the periphery of the docking frame 230. Specifically, the docking frame 230 is provided with a top wall 231, a bottom wall 232 and a pair of side walls 233, wherein the top wall 231 and the bottom wall 232 are arranged in parallel, and are respectively located at the The upper and lower sides of the docking cavity 240, and a pair of upwardly protruding blocking bars 234 are formed on the outer surface of the top wall 231; the locking arm 250 is between the pair of blocking bars 234, and a clamping groove 251 is formed between the locking arm 250 and the lower top wall 231 for the locking plate 140 of the plug 100 to be clamped in. Preferably, the locking arm 250 extends backward into the inner side of the main body 260, and the locking arm 250 is plate-shaped, and the bottom surface of the locking arm 250 is provided with a pair of limiting protrusions 252 formed by protruding downwards, such as Figure 5 and Figure 6 As shown, the pair of limiting protrusions 252 are respectively located on the left and right sides of the locking arm 250, and are used to snap-fit ​​with the pair of locking protrusions 142 of the plug 100, so as to achieve the locking and limiting of the locking arm 250 and the locking plate 140. Preferably, a guiding inclined surface 253 is formed on the limiting protrusion 252, and the guiding inclined surface 253 extends upward and engages with the end edge of the locking arm 250. The guiding inclined surface 253 of the limiting protrusion 252 and the inclined surface 143 of the locking protrusion 142 cooperate with each other during the plugging process of both parties, playing a role in guiding both parties to insert smoothly. Preferably, the top surface of the locking arm 250 is formed with two step portions 254 protruding upward and distributed in the front-to-back direction. In addition, a plurality of cable holes 235 are also formed at the rear end of the second body 210.

[0024] When the plug 100 is docked with the socket 200, the docking portion 130 of the plug 100 is inserted into the docking frame 230 of the socket 200, and the locking plate 140 of the plug 100 is inserted into the retaining groove 251 between the locking arm 250 and the top wall 231 of the socket 200. Correspondingly, the top wall 231 of the socket 200 is inserted into the clamping groove 141 between the locking plate 140 and the docking portion 130 of the plug 100. During the insertion process of the two, the pair of limiting protrusions 252 on the bottom surface of the locking arm 250 will slide along the outer surface 145 of the locking plate 140 to the pair of locking protrusions 142, and continue to slide upward along the slope surface 143 on the locking protrusion 142, and finally pass the locking protrusion 142 and be stuck on the rear side of the locking protrusion 142, and be blocked by the stop surface of the locking protrusion 142, so as to achieve the purpose of locking and limiting. Due to the setting of the slope surface 143 of the locking protrusion 142 and the guiding slope 253 of the limiting protrusion, the relative sliding of the two becomes smoother.

[0025] It should be noted that, along the plugging direction (i.e., the front-to-back direction), the extension length L1 of the pair of locking protrusions 142 of the locking plate 140 of the plug 100 does not exceed half of the extension length L2 of the locking plate 140. Figure 7 As shown, preferably, L1 is not more than one third of L2. With such a configuration, the length of the locking protrusion 142 is greatly shortened, thereby shortening the time for the locking arm 250 to slide through the locking protrusion 142, and also shortening the distance of the locking arm 250 interfering with the locking protrusion 142, so that the locking arm 250 is not easily deformed or damaged, ensuring sufficient elasticity and locking force, thereby ensuring the matching retention force of the plug 100 and the socket 200.

[0026] In summary, the utility model optimizes the structure of the locking plate 140 of the plug 100 and the locking arm 250 of the socket 200 so that the plug-in fit between the two can achieve a stable and reliable connection with the help of the mutual snapping of the locking plate 140 and the locking arm 250, and the interference sliding distance between the locking plate 140 and the locking arm 250 is effectively reduced (compared with the prior art), so that the locking arm 250 is not easy to deform or fall off, thereby ensuring the matching strength of the plug 100 and the socket 200.

[0027] The above is only the best embodiment of the utility model and does not limit the utility model in any form. Any technician familiar with the field can make many possible changes and modifications to the technical solution of the utility model by using the method disclosed above without departing from the scope of the technical solution of the utility model, which all fall within the scope of protection of the claims.

Claims

1. An electrical connector assembly, comprising a plug and a socket that are plugged into each other, characterized in that: The plug includes a first body and a plurality of first terminals received in the first body, wherein the first body is provided with a docking portion and a locking plate located above the docking portion; The socket comprises a second body and a plurality of second terminals received in the second body, the second body is provided with a docking frame for accommodating the docking portion and a locking arm located above the docking frame; A clamping groove for clamping the docking frame is formed between the locking plate and the docking portion, and a pair of protruding locking protrusions are formed on the outer surface of the locking plate; the locking arm is plate-shaped, and the bottom surface of the locking arm is provided with a pair of limiting protrusions protruding downward, and the pair of limiting protrusions are snap-fitted with the pair of locking protrusions.

2. The electrical connector assembly according to claim 1, wherein: Along the plugging direction of the plug and the socket, the extension length of the locking protrusion does not exceed one half of the extension length of the locking plate.

3. The electrical connector assembly according to claim 2, wherein: The locking protrusion is formed with a slope surface and a locking surface, which are respectively located at the front and rear sides of the locking protrusion, and the angle between the slope surface and the outer surface is smaller than the angle between the locking surface and the outer surface.

4. The electrical connector assembly according to claim 3, wherein: The included angle between the locking surface and the outer surface is 60-90 degrees, and the slope surface is connected with the outer surface.

5. The electrical connector assembly according to claim 4, wherein: A retaining groove for accommodating the locking plate is formed between the docking frame and the locking arm. The docking frame is provided with a top wall and a bottom wall. A pair of upwardly protruding blocking bars are formed on the outer surface of the top wall, and the locking arm is located between the pair of blocking bars.

6. The electrical connector assembly according to claim 5, wherein: The top wall of the docking frame is clamped in the clamping groove.

7. The electrical connector assembly according to claim 6, wherein: The pair of limiting protrusions are respectively located on the left and right sides of the locking arm, and the pair of locking protrusions are distributed on the left and right sides of the locking plate.

8. The electrical connector assembly according to claim 7, wherein: A guiding slope is formed on the limiting protrusion, and the guiding slope extends obliquely upward and is connected with the end edge of the locking arm.

9. The electrical connector assembly according to claim 8, wherein: A plurality of cable holes are provided on the surfaces of the first body and the second body for cables to pass through.

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