Large-current waterproof connector

Abstract

The utility model discloses a large-current waterproof connector, which comprises a socket and a plug matched with the socket, one end of the socket can be inserted into the plug, the other end of the socket is used for being connected with the outside, one end of the plug can be inserted into the socket, and the other end of the plug is used for being connected with the outside. A first waterproof piece is arranged at one end of the socket connected with the outside, a second waterproof piece is arranged at one end of the socket connected with the plug and / or one end of the plug connected with the socket, and a third waterproof piece is arranged at one end of the plug connected with the outside. According to the utility model, the waterproof members are arranged between the socket and the outside, between the socket and the plug, and between the plug and the outside, that is, waterproof measures are added inside and outside the large-current waterproof connector, and the terminals are difficult to corrode by water vapor under multi-layer protection, so that the waterproof performance of the large-current waterproof connector is greatly improved, and the service life of the large-current waterproof connector is prolonged. Therefore, the service life of the terminal is effectively prolonged, and the high-current waterproof connector has excellent waterproof performance while realizing high-current bearing.

Description

TECHNICAL FIELD

[0001] The utility model embodiment relates to the technical field of electric connector, especially relates to a large current waterproof connector. BACKGROUND

[0002] The large current connector is mainly used for electrical connection of high current equipment, and is widely applied in electric vehicles, electric forklifts, UPS systems, medical equipment and energy storage fields. The design of the connector aims to improve the reliability of electrical connection, and has the characteristics of waterproof, dustproof and the like, so as to meet the use requirements in harsh environment and ensure the safety and long-term stable operation of the equipment.

[0003] With the increasing demand of modern electrical equipment for high current connection, the electrical performance and reliability performance of the large current connector in the above application scenarios are required more and more. However, the existing large current connector is generally insufficient in waterproof performance, and is easily affected by humid environment, resulting in terminal corrosion and short service life. Therefore, it is particularly important to develop a large current connector with excellent waterproof performance. UTILITY MODEL CONTENTS

[0004] The utility model discloses a large current waterproof connector to solve the technical problem in the prior art.

[0005] The utility model provides a kind of large current waterproof connector, including socket and the plug matched with socket, the socket one end can be inserted in plug, the other end is used to be connected with outside, the plug one end can be inserted in socket, the other end is used to be connected with outside;The socket connects outside one end and is equipped with first waterproof part, the socket connects plug one end and / or plug connects socket one end and is equipped with second waterproof part, the plug connects outside one end and is equipped with third waterproof part.

[0006] Further, the plug includes a plug shell and a plug tail sleeve connected to each other, the socket is inserted into the plug shell, and the external connection is connected to the plug tail sleeve;The plug shell is provided with a plug protection cover, and the plug protection cover is provided with a fourth waterproof part.

[0007] Further, the plug shell is provided with a fifth waterproof part at the connection between the plug shell and the plug tail sleeve and / or the connection between the plug tail sleeve and the plug shell.

[0008] Further, the plug tail sleeve is provided with a fastener, and when the plug tail sleeve is connected to the plug shell, the inner wall of the plug tail sleeve abuts against the fastener, so that the fastener clamps the third waterproof part.

[0009] Further, the outer wall of the socket connected to the plug shell one end is provided with a protruding rib, and the inner wall of the plug connected to the socket one end is provided with a groove matched with the protruding rib.

[0010] Furthermore, the end of the rib near the groove is chamfered.

[0011] Furthermore, the socket is provided with socket terminals, the plug is provided with plug terminals that mate with the socket terminals, and a locking member for fixing the socket terminals and the plug terminals.

[0012] Furthermore, the locking method of the locking component includes, but is not limited to, threaded connection, snap-fit, and elastic connection.

[0013] Furthermore, the socket terminal has a first threaded hole, the plug terminal has a second threaded hole, and the locking member is threadedly connected to the first threaded hole and the second threaded hole.

[0014] By adopting the above technical solution, this utility model has at least the following beneficial effects: This utility model provides waterproof components between the socket and the outside, between the socket and the plug, and between the plug and the outside. That is, waterproof measures are added to both the inside and outside of the high-current waterproof connector. Under the protection of multiple layers, water vapor is difficult to corrode the terminals, which greatly improves the waterproof performance of the high-current waterproof connector and effectively extends the service life of the terminals. Such a high-current waterproof connector has excellent waterproof performance while achieving high current carrying capacity. Attached Figure Description

[0015] Fig. 1 This is a schematic diagram of the overall structure of the socket and plug of this utility model.

[0016] Fig. 2 This is an exploded view of the socket and plug of this utility model. Detailed Implementation

[0017] The present invention will be further described in detail below with reference to specific embodiments and accompanying drawings. It should be understood that the embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention. Moreover, the features in the embodiments of the present invention can be combined with each other without conflict.

[0018] like Figs. 1-2 As shown, this utility model provides a high-current waterproof connector, including a socket 1 and a socket 2 that mates with the socket 1. One end of the socket 1 can be plugged into the socket 2, and the other end is used for external connection. One end of the socket 2 can be plugged into the socket 1, and the other end is used for external connection. The end of the socket 1 that connects to the external is provided with a first waterproof component 3. The end of the socket 1 that connects to the socket 2 and / or the end of the socket 2 that connects to the socket 1 is provided with a second waterproof component 4. The end of the socket 2 that connects to the external is provided with a third waterproof component 5.

[0019] In actual use, the socket 1 and the socket 2 are plugged together, one end of the socket 1 away from the socket 2 is connected with the outside, at this time the outside can be an electric vehicle, an electric forklift, an UPS system, medical equipment, etc., and the other end of the socket 2 away from the socket 1 is also connected with the outside, at this time the outside is the cable 6. The socket 1 is installed on the vehicle, system or equipment, and the cable 6 is installed on the socket 2, so that the current conduction can be realized through the socket 1 and the socket 2, thereby realizing the electrical connection.

[0020] The end face of one end of the socket 1 connected with the outside is provided with a mounting groove 11, and the first waterproof piece 3 is located in the mounting groove 11, and the first waterproof piece 3 is a mounting gasket. When the socket 1 is connected with the external box, the surface of the socket 1 is attached to the surface of the external box, and the first waterproof piece 3 is tightly attached to the surface of the socket 1 and the surface of the external box, thereby realizing the waterproof between the surface of the socket 1 and the surface of the external box.

[0021] The outer wall of one end of the socket 2 connected with the socket 1 is provided with a ring groove 211, and the second waterproof piece 4 is located in the ring groove 211, and the second waterproof piece 4 is a sealing ring. When the socket 2 is connected with the socket 1, the surface of the socket 2 is attached to the surface of the socket 1, and the second waterproof piece 4 is tightly attached to the surface of the socket 1 and the surface of the socket 1, thereby realizing the waterproof between the surface of the socket 2 and the surface of the socket 1. In the embodiment, the ring groove 211 and the second waterproof piece 4 are located at one end of the socket 2 connected with the socket 1, and in other embodiments, the ring groove 211 and the second waterproof piece 4 can also be located at one end of the socket 1 connected with the socket 2, or simultaneously located on the socket 1 and the plug 2, as long as the waterproof function between the socket 1 and the socket 2 can be realized, and is not limited to one end of the socket 2 connected with the socket 1.

[0022] The third waterproof piece 5 is located in the inside of one end of the socket 2 connected with the outside, and the third waterproof piece 5 is a mounting gasket. When the socket 2 is connected with the external cable 6, the third waterproof piece 5 can be sleeved on the surface of the external cable 6 and wrapped around the external cable 6, tightly attached to the inside of the socket 2 and the surface of the external cable 6, thereby realizing the waterproof between the inside of the socket 2 and the surface of the external cable 6.

[0023] The utility model discloses a waterproof piece is arranged between the socket 1 and the outside, the socket 1 and the socket 2, the socket 2 and the outside, that is, waterproof measures are increased in the inside and the outside of the large current waterproof connector, under the multi-layer protection, the steam is difficult to corrode the terminal, makes the waterproof performance of large current waterproof connector to have obtained the great improvement, thereby effectively prolongs the service life of terminal, such large current waterproof connector realizes the big current bearing simultaneously, has the excellent waterproof performance.

[0024] In one specific embodiment, the socket 2 includes a plug shell 21 and a plug tail sleeve 22 connected with each other, the socket 1 is plugged into the plug shell 21, and the outside is connected to the plug tail sleeve 22; the plug shell 21 is provided with a plug protection cover 212, and the plug protection cover 212 is provided with a fourth waterproof piece 7.

[0025] The plug shell 21 and the plug tail sleeve 22 are respectively located at two ends of the socket 2, the plug shell 21 is used for plugging the socket 1, the ring groove 211 and the second waterproof member 4 are arranged on the plug shell 21, and the plug tail sleeve 22 is used for connecting the external cable 6. One side of the plug shell 21 at one end of the socket 1 is a terminal interface, and the terminal interface is electrically connected with the terminal interface of the socket 1. The plug shell 21 protects the terminal and has a certain insulation and waterproof function. The other side of the plug shell 21 is provided with an opening, and the plug protection cover 212 is arranged on the opening and can be detachably mounted on the plug shell 21 through screw connection or clamping. The plug shell 21 protects the socket 2, realizes insulation and better waterproof effect, and when the socket 2 needs to be repaired, the plug protection cover 212 can be unscrewed, and the socket 2 can be conveniently repaired and upgraded.

[0026] In order to further strengthen the waterproof performance of the socket 2, the fourth waterproof member 7 is arranged on the inner edge of the plug protection cover 212, and the fourth waterproof member 7 is a sealing ring. When the plug protection cover 212 is mounted on the plug shell 21 and locked, the inner edge of the plug protection cover 212 is attached to the surface edge of the plug shell 21, the fourth waterproof member 7 is compressed and attached to the inner edge of the plug protection cover 212 and the surface edge of the plug shell 21, and the waterproof between the plug protection cover 212 and the plug shell 21 is realized, thereby further strengthening the waterproof performance of the socket 2.

[0027] In an optional embodiment, the fifth waterproof member 8 is arranged at the connection position between the plug shell 21 and the plug tail sleeve 22 and / or the connection position between the plug tail sleeve 22 and the plug shell 21.

[0028] The plug tail sleeve 22 is detachably connected with the plug shell 21, the plug tail sleeve 22 is provided with an inner thread at one end connected with the plug shell 21, the plug shell 21 is provided with an outer thread matched with the inner thread at one end connected with the plug tail sleeve 22, and the plug tail sleeve 22 is detachably connected with the plug shell 21 through the threaded connection of the inner thread and the outer thread. The fifth waterproof member 8 is arranged on the plug tail sleeve 22 at the position of the inner thread, and the fifth waterproof member 8 is also a sealing ring. When the plug tail sleeve 22 and the plug shell 21 are mounted together and locked, the fifth waterproof member 8 can be located between the inner thread of the plug tail sleeve 22 and the outer thread of the plug shell 21. The fifth waterproof member 8 makes the waterproof effect between the plug tail sleeve 22 and the plug shell 21 better, thereby greatly improving the waterproof effect of the large-current waterproof connector. It should be pointed out that the fifth waterproof member 8 can be arranged on the plug tail sleeve 22, or can be arranged on the plug shell 21, or can be arranged on both the plug tail sleeve 22 and the plug shell 21, and also has a good waterproof effect.

[0029] The utility model discloses a high current waterproof connector through setting up first waterproof piece 3, second waterproof piece 4, third waterproof piece 5, fourth waterproof piece 7 and fifth waterproof piece 8 etc. various waterproof structure, effectively enhanced the waterproof, dustproof, sealing, insulation performance of high current waterproof connector, be favorable to the use demand of high current waterproof connector under the severe environment, to ensure the long-term stable operation of equipment, so that there is great benefit to high current waterproof connector and equipment.

[0030] In an alternative embodiment, the plug tail sleeve 22 is provided with a fastener 9, and when the plug tail sleeve 22 is connected to the plug shell 21, the inner wall of the plug tail sleeve 22 abuts against the fastener 9, so that the fastener 9 clamps the third waterproof piece 5.

[0031] The plug tail sleeve 22 is provided with a fastener 9 at the connection position of the external cable 6, so as to achieve more stable connection with the external cable 6 and prevent the external cable 6 from falling off. The fastener 9 is a clamping jaw. The fastener 9 is sleeved on the outer wall of the third waterproof piece 5 and between the plug tail sleeve 22 and the third waterproof piece 5. When the plug tail sleeve 22 is screwed with the plug shell 21, the plug tail sleeve 22 can extrude the fastener 9, so that the inner wall of the plug tail sleeve 22 abuts against the outer wall of the fastener 9, and the inner wall of the fastener 9 abuts against the third waterproof piece 5, thereby making the third waterproof piece 5 more tightly connected with the external cable 6, and achieving better waterproof effect.

[0032] In an alternative embodiment, the socket 1 is provided with a protrusion 12 on the outer wall of one end of the plug shell 21, and the plug 2 is provided with a groove 213 on the inner wall of one end of the socket 1, which cooperates with the protrusion 12.

[0033] The one end of the plug shell 21 connected with the socket 1 is basically cylindrical in shape, and the protrusions 12 are evenly arranged in a circle along the outer wall of the socket 1. The length direction of the protrusions 12 is arranged along the axial direction of the socket 1. Correspondingly, the grooves 213 that cooperate with the protrusions 12 are evenly arranged on the inner wall of the one end of the plug shell 21 connected with the socket 1. During the process of fixing the socket 1 and the plug shell 21, each protrusion 12 is inserted into two adjacent grooves 213. The protrusion 12 is adapted to the groove 213, and the protrusion 12 cannot move circumferentially between the grooves 213, so that the socket 1 cannot rotate after being cooperated with the plug 2, thereby having the function of locking the direction and facilitating the fixation of the direction of the plug 2. At the same time, since each protrusion 12 can be cooperated with any two adjacent grooves 213, that is, any protrusion 12 can be inserted between any two adjacent grooves 213, it indicates that the plug shell 21 can be inserted into the socket 1 in any direction, that is, the socket 1 and the socket 2 can be cooperated in any direction and the direction is fixed after cooperation, which facilitates the user to lay the wire while waterproofing. In addition, under the action of the protrusions 12 and the grooves 213, the contact area of the socket 1 and the plug shell 21 is larger, the friction force is larger, and it is more conducive to the stable locking of the socket 2 on the socket 1.

[0034] In an optional embodiment, the convex rib 12 is chamfered near one end of the groove 213.

[0035] In order to facilitate the cooperation between the convex rib 12 and the groove 213, the end of the convex rib 12 inserted into the groove 213 is chamfered, which facilitates the alignment and insertion of the convex rib 12 between the adjacent two grooves 213, thereby improving the installation efficiency of the socket 1 and the socket 2.

[0036] In an optional embodiment, the socket 1 is provided with a socket terminal 13, the socket 2 is provided with a plug terminal 23 matched with the socket terminal 13, and a locking piece 10 is arranged for fixing the socket terminal 13 and the plug terminal 23.

[0037] The socket 1 is a hollow structure, the socket terminal 13 is integrally injection molded in the socket 1, one end of the socket terminal 13 extends out of the socket 1 and is used for electrical connection with an external box. A temperature sensor 14 is arranged at the socket terminal 13, which can monitor the temperature of the large-current waterproof connector and feed back the temperature information. The plug shell 21 and the plug tail sleeve 22 are also hollow structures, one end of the plug terminal 23 is located in the plug shell 21 and is used for connecting with the end of the socket terminal 13 away from the external box, and the other end is located in the plug tail sleeve 22 and is used for electrical connection with an external cable 6. The socket terminal 13 and the plug terminal 23 are both metal terminals, and after the socket 1 and the plug shell 21 are inserted, the socket terminal 13 and the plug terminal 23 are electrically connected to realize the conduction and current-carrying functions.

[0038] One end of the socket terminal 13 connected to the plug terminal 23 is provided with a first locking part, and one end of the plug terminal 23 connected to the socket terminal 13 is provided with a second locking part. The locking piece 10 is arranged in the plug shell 21 and is close to the second locking part. The locking piece 10 cooperates with the first locking part and the second locking part to achieve the purpose of locking the socket terminal 13 and the plug terminal 23, thereby ensuring the conduction and current-carrying functions.

[0039] In an optional embodiment, the locking mode of the locking piece 10 includes but is not limited to threaded connection, clamping, and elastic connection.

[0040] The locking mode between the socket terminal 13 and the plug terminal 23 can be various, such as threaded connection, clamping, and elastic connection, and other locking modes, as long as the socket terminal 13 and the plug terminal 23 can be locked.

[0041] In an optional embodiment, a first threaded hole 131 is formed on the socket terminal 13, a second threaded hole 231 is formed on the plug terminal 23, and the locking piece 10 is threadedly connected to the first threaded hole 131 and the second threaded hole 231.

[0042] Preferably, the embodiment selects a locking mode of threaded connection. The first locking part of the socket terminal 13 is a first threaded hole 131, the second locking part of the plug terminal 23 is a second threaded hole 231, and the locking piece 10 is provided with external threads matched with the first threaded hole 131 and the second threaded hole 231, for example, the locking piece 10 can be a bolt. The locking piece 10 is threaded through and connected to the first threaded hole 131 and the second threaded hole 231, so as to lock the socket terminal 13 and the plug terminal 23. The socket 1 and the socket 2 are locked by the bolt, which simplifies the head seat locking mechanism, is not only simple and convenient but also stable.

[0043] In summary, the large-current waterproof connector of the utility model not only improves the waterproof performance, but also simplifies the structure and components of the large-current connector, saves the cost, is convenient to use, improves the reliability and safety of the connector, has smaller volume and better assembly process compared with the traditional design, and the product has good current-carrying performance, voltage resistance, insulation, waterproof and other performances. The socket 1 and the socket 2 can be matched in any direction, and the positions can be fixed after being matched, so that the product is prevented from continuing to rotate and the performance of the product is enhanced.

[0044] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and transformations can be made to these examples without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalent ranges.

Claims

1. A high-current waterproof connector, characterized in that: The device includes a socket and a plug that mates with the socket. One end of the socket can be plugged into the plug, and the other end is used for external connection. One end of the plug can be plugged into the socket, and the other end is used for external connection. The socket is provided with a first waterproof component at the external connection end. The socket is provided with a second waterproof component at the plug connection end and / or the plug is provided with a third waterproof component at the plug connection end.

2. The high-current waterproof connector as described in claim 1, characterized in that: The plug includes a plug housing and a plug tail sleeve that are connected to each other. The socket is inserted into the plug housing, and the external part is connected to the plug tail sleeve. The plug housing is provided with a plug protective cover, and a fourth waterproof component is provided inside the plug protective cover.

3. The high-current waterproof connector as described in claim 2, characterized in that: The plug housing is provided with a fifth waterproof component at the connection point between the plug tail sleeve and / or the connection point between the plug tail sleeve and the plug housing.

4. The high-current waterproof connector as described in claim 2, characterized in that: The plug tail sleeve is equipped with a fastener. When the plug tail sleeve is connected to the plug housing, the inner wall of the plug tail sleeve abuts against the fastener, so that the fastener clamps the third waterproof component.

5. The high-current waterproof connector as described in claim 2, characterized in that: The outer wall of one end of the socket connector housing is provided with a raised rib, and the inner wall of one end of the plug connector socket is provided with a groove that mates with the raised rib.

6. The high-current waterproof connector as described in claim 5, characterized in that: The end of the rib near the groove is chamfered.

7. The high-current waterproof connector as described in any one of claims 1-6, characterized in that: The socket has a socket terminal, the plug has a plug terminal that mates with the socket terminal, and a locking element for fixing the socket terminal and the plug terminal.

8. The high-current waterproof connector as described in claim 7, characterized in that: The locking methods of the locking components include threaded connection, snap-fit, and elastic connection.

9. The high-current waterproof connector as described in claim 7, characterized in that: The socket terminal has a first threaded hole, the plug terminal has a second threaded hole, and the locking member is threadedly connected to the first threaded hole and the second threaded hole.

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