Waterproof cover of connector

Abstract

A waterproof cover of a connector is characterized in that the waterproof cover comprises an inner core and an outer cover which are connected, the inner core is of a diameter-reducing cylindrical structure which is in matched insertion connection with the insertion connection end of the connector, the outer cover is a cover matched with the outer end face of the connector, and after the inner core of the waterproof cover is in inserted connection with the connector, the inner core is in a hollow cylindrical structure. The outer cover abuts against the outer end face of the connector in a sealed mode to achieve a first-layer external protection structure, and the inner core is inserted into the connector to enable the inner core to make contact with an inner cavity of the connector in a sealed mode to achieve a second-layer internal protection structure. The high-voltage switch cabinet has the advantages of being reasonable in structural design, good in protection effect and long in service life, and the protection level and the electricity utilization safety are greatly improved through the inner protection layer and the outer protection layer.

Description

Technical Field

[0001] The utility model relates to the technical field of connectors, in particular to a waterproof cover of a connector. Background Art

[0002] A connector is a connection device that connects multiple signal lines or power lines in sequence. In order to be suitable for use in various occasions, the requirements for the waterproof performance of connectors are getting higher and higher. Currently, connectors on the market often come with waterproof covers, so that when the connector is not in use, the waterproof cover is covered to prevent external rainwater from entering, and it also plays a role in dust prevention. Existing connectors generally use hard materials, such as plastic, zinc alloy, aluminum alloy, copper, etc., while waterproof covers generally use soft materials, such as rubber. Waterproof covers made of soft materials have the following defects during use: they are easy to deform and have no support, resulting in the product only achieving a lower level of protection, and the fit is easy to fail; and the service life is short, and it is easy to age and fall off, affecting use.

[0003] After investigation, the existing Chinese patent number CN202320373160.5, "A Waterproof Network Connector", includes a plug assembly and a socket assembly. The socket assembly includes a socket body, a network port slot arranged on one end face of the socket body, a limit plate arranged on the other end of the socket body, a second fastening thread arranged on the peripheral wall of the socket body, a second waterproof pad sleeved outside the socket body, a waterproof cover assembly connected to the socket body, and a parallel cap nut threadedly sleeved outside the second fastening thread; the waterproof cover assembly includes a connecting portion, a cover body and a sleeve portion, the sleeve portion is sleeved outside the socket body, the connecting portion connects the sleeve portion and the cover body, and the cover body is used to be threadedly connected with the second fastening thread. The connector is provided with a waterproof cover assembly to cover and protect the network port slot to improve the safety of electricity use. However, the cover body of the waterproof cover assembly is connected to the socket body by threaded connection, which is very inconvenient to operate, and there are also problems of cooperation failure and easy aging and falling off, which affect the normal use of the product. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide a connector waterproof cover with reasonable structure, good protection effect and long service life in view of the above technical status quo.

[0005] The technical solution adopted by the utility model to solve the above-mentioned technical problems is: a connector waterproof cover, characterized in that: the waterproof cover includes a connected inner core and an outer cover, wherein the inner core is a cylindrical structure with a reduced diameter that cooperates with the plug-in end of the connector, and the outer cover is a lid that cooperates with the outer end face of the connector. After the inner core of the waterproof cover is plugged into the connector, the outer cover and the outer end face of the connector are sealed against each other to realize the first layer of external protection structure, and the inner core is inserted into the connector, so that the inner core and the inner cavity of the connector are in contact and sealed to realize the second layer of internal protection structure.

[0006] As an improvement, the inner core is made of a hard material and the outer cover is made of a soft material. The rear periphery of the inner core is provided with an annular groove for the outer cover to be embedded and covered. The rear end of the inner core is provided with a handle portion. The front end inner wall of the outer cover is provided with a convex ring that cooperates with the annular groove. The rear end of the outer cover is provided with a handle sleeve that cooperates with the handle portion.

[0007] Furthermore, a protective pad is connected to the outer side wall of the outer cover via a connecting piece, and the outer cover, the connecting piece and the protective pad are an integrated part.

[0008] Furthermore, the structure of the inner core is matched according to the structural design of the inner cavity of the connector plug-in end, and a locking structure that cooperates with the connector is provided on the inner core.

[0009] Furthermore, the locking structure adopts a rotary lock buckle, a glass bead lock buckle or a lock spring lock buckle.

[0010] Furthermore, the rotary lock is specifically as follows: a plurality of locks are convexly provided at circumferential intervals on the outer circumferential surface of the front end of the inner core, a corresponding strip groove is formed on the inner wall of the plug-in end of the connector, a lock step is provided at the inner end of the strip groove, the inner core of the waterproof cover is inserted along the strip groove through the lock and then rotated to lock with the lock step; or a plurality of strip grooves are formed on the inner wall of the cylindrical structure of the inner core, the bottom plate of the strip groove is bent to form a lock groove, a plug-in inner core is provided in the plug-in end of the connector, corresponding convex strips are circumferentially provided on the outer end circumferential surface of the plug-in inner core, the inner core of the waterproof cover is inserted through the strip groove and the convex strip and then rotated to lock with the connector.

[0011] Furthermore, the glass bead type lock is specifically as follows: a blind hole is opened in the middle of the outer circumferential surface of the inner core, a glass bead is installed in the blind hole, a corresponding lock groove is formed on the inner wall of the plug-in end of the connector, and the lower end of the glass bead in the blind hole is supported by a spring, so that the glass bead has a tendency to always pop outward and lock with the lock groove.

[0012] Furthermore, the lock spring type lock is specifically as follows: a lock hole is opened on the front end side of the inner core, a lock spring is arranged in the plug-in end of the connector, and a lock buckle is convexly arranged on the lock spring. After the inner core is inserted, the lock buckle is just stuck in the lock hole to lock the waterproof cover and the connector.

[0013] Finally, when the connector has two plug-in terminals, there are two protective covers, and the two protective covers are connected to the same protective pad through respective connecting pieces to form an integral part.

[0014] Compared with the prior art, the advantages of the utility model are: the waterproof cover is designed to be a structure of a hard material covering a soft material, so that the soft material has support inside, the product has a higher strength after matching, and can achieve a higher protection level; the inner core is made of hard material, the outer cover is made of soft material, the inner core is inserted into the plug end of the connector to form internal protection, and the outer cover and the connector end face are against each other to form external protection, which greatly increases the waterproof performance. The utility model has the characteristics of reasonable structural design, good protection effect, and long service life. Through the internal and external two-layer protection, the protection level and electrical safety are greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of Embodiment 1 of the present utility model;

[0016] Figure 2 for Figure 1 Front view of

[0017] Figure 3 for Figure 1 Side view of

[0018] Figure 4 This is a schematic diagram of the structure of Embodiment 1 of the utility model in a closed state;

[0019] Figure 5 for Figure 4 A partial three-dimensional cross-sectional view of

[0020] Figure 6 for Figure 5 A cross-sectional view of

[0021] Figure 7 This is a schematic diagram of the structure of Embodiment 2 of the present utility model;

[0022] Figure 8 for Figure 7 A partial three-dimensional cross-sectional view of

[0023] Fig. 9 This is a schematic diagram of the structure of Embodiment 3 of the present utility model;

[0024] Fig.10 for Fig. 9 A partial three-dimensional cross-sectional view of

[0025] Fig.11 This is a schematic diagram of the structure of Example 4 of the present utility model. DETAILED DESCRIPTION

[0026] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0027] Example 1

[0028] like Figures 1 to 6As shown in Figure 8, a connector waterproof cover, the waterproof cover A is a structure made of a hard material covered with a soft material, the waterproof cover A includes an inner core 1 and an outer cover 2 connected to each other, wherein the inner core 1 is a cylindrical structure with a reduced diameter that cooperates with the plug-in end of the connector 5, the inner core 1 is made of a hard material, the outer cover 2 is a circular cover that cooperates with the outer end face of the connector 5, and the outer cover 2 is made of a soft material. After the inner core 1 of the waterproof cover A is plugged into the connector 5, the outer cover 2 and the outer end face of the connector 5 are sealed against each other to realize the first layer of external protection structure 10, and the inner core 2 is inserted into the connector 5, so that the inner core 2 and the inner cavity 55 of the connector 5 are in contact and sealed to realize the second layer of internal protection structure 20.

[0029] The rear periphery of the inner core 1 is provided with an annular groove 15 for the outer cover 2 to be embedded and covered, the rear end of the inner core 1 is provided with a handle portion 12, the front inner wall of the outer cover 2 is provided with a convex ring that matches the annular groove 15, and the rear end of the outer cover 2 is provided with a handle sleeve 21 that matches the handle portion 12. The outer wall of the outer cover 2 is connected to a protective pad 4 through a connecting piece 3, and the outer cover 2, the connecting piece 3 and the protective pad 4 are an integral part.

[0030] The structure of the inner core 1 is designed according to the structure of the inner cavity 55 of the plug-in end of the connector A, and the inner core A is provided with a locking structure that cooperates with the connector 5 .

[0031] The locking structure of this embodiment adopts a rotary lock, specifically: a plurality of locks 11 are circumferentially spaced and protruding on the outer peripheral surface of the front end of the inner core 1, and a corresponding strip groove 51 is formed on the inner wall of the inner cavity 55 of the plug-in end of the connector 5. A lock step 52 is provided at the inner end of the strip groove 51. The lock step 52 is usually composed of a connected transverse groove. The inner core 1 of the waterproof cover A is inserted along the strip groove 51 through the lock 11 and then rotated to lock with the lock step 52.

[0032] During installation, align the inner core 1 of the waterproof cover A with the plug-in end of the connector 5 and insert it. After it is in place, rotate it to a certain angle to lock it.

[0033] In this embodiment, the waterproof cover is designed to have a structure in which an inner core of a hard material is covered with an outer cover of a soft material, so that the soft material has support inside, the product has higher strength after being matched, and achieves a higher protection level.

[0034] Example 2

[0035] like Figure 7 , 8As shown, a connector waterproof cover, the waterproof cover A is a structure of hard material covered with soft material, the waterproof cover A includes an inner core 1 and an outer cover 2, wherein the inner core 1 is made of hard material, and the outer cover 2 is made of soft material. The difference from Example 1 is that the locking structure of this embodiment adopts a glass bead type lock, specifically: a blind hole 16 is opened in the middle of the outer circumference of the inner core 1, and a glass bead 6 is installed in the blind hole 16. A corresponding locking groove 54 is formed on the inner wall of the inner cavity 55 of the plug-in end of the connector 5, and the lower end of the glass bead 6 in the blind hole is supported by a spring 56, so that the glass bead 6 has a tendency to always pop outward and lock with the locking groove 54.

[0036] Other details are similar to those in Example 1.

[0037] Example 3

[0038] like Fig. 9 , 10 As shown, a connector waterproof cover, the waterproof cover A is a structure of hard material covered with soft material, the waterproof cover A includes an inner core 1 and an outer cover 2, wherein the inner core 1 is made of hard material, and the outer cover 2 is made of soft material. The difference from Example 1 is that the locking structure of this embodiment adopts a lock spring type lock, specifically: a lock hole 17 is provided on the front end side of the inner core 1, a lock spring 7 is provided in the plug-in end of the connector 5, and a lock buckle 71 is convexly provided on the lock spring 7. After the inner core 7 is inserted, the lock buckle 71 is just stuck in the lock hole 17 to lock the waterproof cover A and the connector 5.

[0039] Other details are similar to those in Example 1.

[0040] Example 4

[0041] like Fig.11 As shown, a connector waterproof cover, when the connector 5 has two plug-in ends, there are two protective covers A, and the two protective covers A are connected to the same protective pad through their respective connecting pieces 3 to form an integral piece. The two protective covers A are plugged and locked with the corresponding plug-in ends of the connector 5 by means of a rotating lock. The inner cores 1 of the two protective covers A are different, and one of them is the same as Example 1. A plurality of locks 11 are convexly provided at annular intervals on the outer peripheral surface of the front end of the inner core 1, and a corresponding strip groove 51 is formed on the inner wall of the inner cavity 55 of the plug-in end of the connector 5. A lock step 52 is provided at the inner end of the strip groove 51. The inner core 1 of the waterproof cover A is inserted along the strip groove 51 through the lock 11 and then rotated to lock with the lock step 52.

[0042] A plurality of strip grooves 13 are formed on the inner wall of the cylindrical structure of the other inner core 1, and the bottom plate of the strip groove 13 is bent to form a locking groove 14. A plug-in inner core is arranged in the plug-in end of the connector 5, and corresponding convex strips 53 are arranged circumferentially at intervals on the outer end circumference of the plug-in inner core. After the inner core 1 is inserted through the strip groove 13 and the convex strip 53, it is rotated and locked with the connector 5.

[0043] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A connector waterproof cover, characterized in that: The waterproof cover includes an inner core and an outer cover that are connected, wherein the inner core is a cylindrical structure with a reduced diameter that cooperates with the plug-in end of the connector, and the outer cover is a lid that cooperates with the outer end face of the connector. After the inner core of the waterproof cover is plugged into the connector, the outer cover and the outer end face of the connector are sealed against each other to realize the first layer of external protection structure, and the inner core is inserted into the connector so that the inner core and the inner cavity of the connector are in contact and sealed to realize the second layer of internal protection structure.

2. The connector waterproof cover according to claim 1, characterized in that: The inner core is made of hard material, and the outer cover is made of soft material. The rear periphery of the inner core is provided with an annular groove for the outer cover to be embedded and covered. The rear end of the inner core is provided with a handle portion. The front inner wall of the outer cover is provided with a convex ring that cooperates with the annular groove. The rear end of the outer cover is provided with a handle sleeve that cooperates with the handle portion.

3. The connector waterproof cover according to claim 2, characterized in that: The outer side wall of the outer cover is connected with a protective pad via a connecting piece, and the outer cover, the connecting piece and the protective pad are an integrated part.

4. The connector waterproof cover according to claim 1, 2 or 3, characterized in that: The structure of the inner core is matched according to the structural design of the inner cavity of the connector plug-in end, and a locking structure matching with the connector is provided on the inner core.

5. The connector waterproof cover according to claim 4, characterized in that: The locking structure adopts a rotary lock buckle, a glass bead lock buckle or a lock spring lock buckle.

6. The connector waterproof cover according to claim 5, characterized in that: The rotary lock is specifically as follows: a plurality of locks are convexly provided at annular intervals on the outer circumferential surface of the front end of the inner core, a corresponding strip groove is formed on the inner wall of the plug-in end of the connector, a lock step is provided at the inner end of the strip groove, the inner core of the waterproof cover is inserted along the strip groove through the lock and then rotated to lock with the lock step; or a plurality of strip grooves are formed on the inner wall of the cylindrical structure of the inner core, the bottom plate of the strip groove is bent to form a lock groove, a plug-in inner core is provided in the plug-in end of the connector, corresponding convex strips are circumferentially provided on the outer end circumferential surface of the plug-in inner core, the inner core of the waterproof cover is inserted through the strip groove and the convex strip and then rotated to lock with the connector.

7. The connector waterproof cover according to claim 5, characterized in that: The glass bead lock is specifically as follows: a blind hole is opened in the middle of the outer circumferential surface of the inner core, a glass bead is installed in the blind hole, a corresponding lock groove is formed on the inner wall of the plug-in end of the connector, and the lower end of the glass bead in the blind hole is supported by a spring, so that the glass bead has a tendency to always pop outward and lock with the lock groove.

8. The connector waterproof cover according to claim 5, characterized in that: The lock spring type lock is specifically as follows: a lock hole is opened on the front end side of the inner core, a lock spring is arranged in the plug-in end of the connector, and a lock buckle is convexly arranged on the lock spring. After the inner core is inserted, the lock buckle is just stuck in the lock hole to lock the waterproof cover and the connector.

9. The connector waterproof cover according to claim 1, 2 or 3, characterized in that: When the connector has two plug-in terminals, there are two protective covers, which are connected to the same protective pad through respective connecting pieces to form an integral part.

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