A rectangular waterproof connector unlocked by a snap

Abstract

The utility model relates to the technical field of connector, especially relate to a rectangular waterproof connector of press button unlocking, including first connecting piece and second connecting piece, be equipped with the first sealing ring between first connecting piece and second connecting piece, the connecting structure for making both mutually electric connection, and the fixed structure for making both mutually lock solid, the fixed structure includes the adjustable buckle and the limit card slot of mutual cooperation, adjustable buckle sets up in first connecting piece, the second connecting piece corresponds adjustable buckle and is equipped with the limit card slot, the end of adjustable buckle away from limit card slot is equipped with the elastic connecting portion between first connecting piece, first connecting piece is equipped with the accommodation cavity opposite adjustable buckle, the utility model aims at guaranteeing the sealing performance of connector, and improving the service life of sealing ring.

Description

Technical Field

[0001] This utility model relates to the field of connector technology, and in particular to a rectangular waterproof connector with snap-lock mechanism. Background Technology

[0002] Rectangular electrical connectors are widely used in industrial automation, outdoor electronic equipment, and new energy vehicles due to their compact structure and large number of wires. These applications often involve harsh environments such as humidity, water spray, or even brief immersion in water, thus placing high demands on the waterproof performance of the connectors.

[0003] Currently, most rectangular waterproof connectors on the market use threaded engagement for connection and fixation. While threaded connections offer reliable locking, over-tightening often occurs during the thread engagement process, causing significant deformation of the sealing ring under pressure. This can easily lead to seal ring fatigue and reduced lifespan. Utility Model Content

[0004] The main purpose of this invention is to provide a rectangular waterproof connector with snap-lock mechanism, which aims to ensure the sealing performance of the connector while improving the service life of the sealing ring.

[0005] To achieve the above objectives, this utility model proposes a snap-lock rectangular waterproof connector, comprising a first connector and a second connector, wherein a first sealing ring, a connection structure for electrically connecting the two connectors to each other, and a fixing structure for locking the two connectors to each other are provided between the first connector and the second connector.

[0006] The fixing structure includes adjustable buckles and limiting slots that cooperate with each other;

[0007] The adjustable buckle is provided on the first connector, and the second connector is provided with a limiting slot corresponding to the adjustable buckle;

[0008] The adjustable buckle is provided with an elastic connection between the end away from the limiting slot and the first connector, and the first connector is provided with a clearance cavity relative to the adjustable buckle.

[0009] In one embodiment of this application, the outer periphery of the first connector is provided with a first connecting portion, and the clearance cavity is disposed between the first connecting portion and the first connector.

[0010] In one embodiment of this application, at least two elastic connecting portions are symmetrically provided between the adjustable buckle and the first connecting portion.

[0011] In one embodiment of this application, the outer periphery of the second connector is provided with a second connecting portion, a movable cavity is provided between the second connecting portion and the second connector, and the limiting slot is provided in the second connecting portion and communicates with the movable cavity.

[0012] In one embodiment of this application, both the first connector and the second connector include a housing and a tail sleeve. One end of the housing is connected to the tail sleeve, and the other end is connected to a connecting structure. A locking structure is provided between the tail sleeve and the housing.

[0013] In one embodiment of this application, the locking structure includes an external threaded connection end and an internal threaded connection end, wherein the external threaded connection end is disposed on the tail sleeve or the outer shell, and the internal threaded connection end is disposed on the outer shell or the tail sleeve.

[0014] The external threaded connection end and the internal threaded connection end cooperate and lock together, and fix the tail sleeve and the outer shell together.

[0015] In one embodiment of this application, the locking structure includes a first latch and a second latch, the first latch being connected to the outer casing and the second latch being connected to the tail sleeve;

[0016] The first and second fasteners engage with each other, thus securing the tail sleeve and the outer shell together.

[0017] In one embodiment of this application, a second sealing ring is provided between the connecting structure and the first connecting member, and a third sealing ring is provided between the connecting structure and the second connecting member.

[0018] In one embodiment of this application, the connection structure includes a male connection terminal and a female connection terminal that are mutually connected;

[0019] The male connector includes a plug inner shell and a first PCB assembly. The first PCB assembly passes through the inner cavity of a housing, and the plug inner shell is connected to the first PCB assembly and passes through a housing.

[0020] The female connector includes a socket inner shell and a second PCB assembly. The first sealing ring is disposed between the plug inner shell and the socket inner shell. The socket inner shell is connected to the second PCB assembly and both are inserted into the inner cavity of the other outer shell. A connecting groove for mating with the plug inner shell is provided between the inner cavity of the other outer shell and the outer periphery of the socket inner shell.

[0021] When the adjustable buckle and the limiting slot are fixed together, the inner shell of the plug passes through the connecting slot and is connected to the inner shell of the socket, and the first PCB assembly is electrically connected to the second PCB assembly.

[0022] In one embodiment of this application, the male connector is located on the first connector or the second connector; the female connector is located on the second connector or the first connector.

[0023] By adopting the above technical solution, this utility model has the following advantages:

[0024] The waterproof connection cavity of this application includes a first connector and a second connector, which are respectively the male end of the connector and the female end of the connector. A first sealing ring for sealing and waterproofing is provided between the two. In the prior art, the male end and the female end are mostly fixed by threaded connection. Although the threaded locking method can achieve quick locking, the tightness between the male end and the female end is generally high, which causes the first sealing ring to be over-compressed every time it is connected. At the same time, the amount of compression may be different each time. When the connector is first used, the above sealing locking method has a good sealing effect. However, the irregular and excessive compression state will cause the first sealing ring to fatigue quickly, thereby rapidly reducing the service life of the entire first sealing ring.

[0025] To address the aforementioned problems, this application provides a fixing structure between the first connector and the second connector for locking them at a fixed distance. In this application, the fixing structure includes an adjustable latch and a limiting slot, which are respectively located on the first connector and the second connector. The first connector has a clearance groove relative to the adjustable latch, and an elastic connection portion is provided between the first connector and the adjustable latch. Under the action of the clearance groove and the elastic connection portion, the adjustable latch can form a spring-loaded button. When the first connector is inserted into the second connector, self-locking is achieved solely by the spring-loaded button; when it needs to be removed, simply pressing the spring-loaded button unlocks and removes it.

[0026] When the first connector and the second connector are locked together, the first connector and the second connector can first make a preliminary physical connection and electrical connection through the connection structure. At the same time, the buckle at the end of the adjustable buckle will lock the inner cavity of the second connector into the limiting slot. Because the position of the limiting slot is fixed, after the adjustable buckle and the limiting slot are connected to each other, the first sealing ring can be compressed at a fixed amount each time. This can ensure that the first sealing ring is not over-compressed and thus broken, resulting in failure of protective performance, and can also ensure that the sealing ring is not under-compressed and thus fails to play a protective role.

[0027] The first and second connectors, through their connection structure, enable the connector to achieve high-density connections using a mating terminal structure, while ensuring transmission stability, low insertion / removal force, and a good insertion / removal feel. Attached Figure Description

[0028] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art 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 the structures shown in these drawings without creative effort.

[0029] Figure 1 This is a schematic diagram of the structure of the first connecting member of the snap-lock rectangular waterproof connector of this utility model in one direction;

[0030] Figure 2 This is a schematic diagram of the first connector of the snap-lock rectangular waterproof connector of this utility model from another direction.

[0031] Figure 3 This is a cross-sectional view of the first connecting member of the snap-lock rectangular waterproof connector of this utility model;

[0032] Figure 4 An exploded view of the first connecting member of the rectangular waterproof connector with snap-lock mechanism of this utility model;

[0033] Figure 5 This is a schematic diagram of the structure of the second connector of the snap-lock rectangular waterproof connector of this utility model in one direction;

[0034] Figure 6 This is a schematic diagram of the second connector of the snap-lock rectangular waterproof connector of this utility model from another direction.

[0035] Figure 7 This is a cross-sectional view of the second connector of the snap-lock rectangular waterproof connector of this utility model;

[0036] Figure 8 This is an exploded view of the second connector of the rectangular waterproof connector with snap-lock mechanism of this utility model.

[0037] Explanation of icon numbers:

[0038] 1. First connector; 11. Second sealing ring; 12. First connecting part; 13. Relief cavity; 14. Elastic connecting part; 2. Connecting structure; 3. Connecting male end; 31. Plug inner shell; 32. First PCB assembly; 4. First sealing ring; 5. Connecting female end; 51. Socket inner shell; 52. Second PCB assembly; 53. Connecting groove; 6. Fixing structure; 61. Adjustable buckle; 62. Restricting slot; 7. Second connector; 71. Third sealing ring; 72. Second connecting part; 73. Movable cavity; 8. Outer shell; 81. Tail sleeve; 9. Locking structure.

[0039] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0040] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application.

[0041] The following is in conjunction with the appendix Figures 1 to 8 The present invention will be further described below.

[0042] To achieve the above objectives, this utility model proposes a rectangular waterproof connector with snap-lock mechanism, comprising a first connector 1 and a second connector 7, wherein a first sealing ring 4, a connection structure 2 for electrically connecting the two connectors, and a fixing structure 6 for locking the two connectors together are provided between the first connector 1 and the second connector 7.

[0043] The fixing structure 6 includes an adjustable buckle 61 and a limiting slot 62 that cooperate with each other;

[0044] An adjustable buckle 61 is provided on the first connector 1, and a limiting slot 62 is provided on the second connector 7 corresponding to the adjustable buckle 61;

[0045] An elastic connection portion 14 is provided between the end of the adjustable buckle 61 away from the limiting slot 62 and the first connector 1, and the first connector 1 is provided with a relief cavity 13 relative to the adjustable buckle 61.

[0046] The waterproof connection cavity of this application includes a first connector 1 and a second connector 7, which are respectively the male end of the connector and the female end of the connector. A first sealing ring 4 for sealing and waterproofing is provided between the two. In the prior art, the male end and the female end are mostly fixed by threaded connection. Although the threaded locking method can achieve quick locking, the tightness between the male end and the female end is generally high, which causes the first sealing ring 4 to be over-compressed every time it is connected. At the same time, the amount of compression may be different each time. When the connector is first used, the above sealing locking method has a good sealing effect, but the irregular and excessive compression state will cause the first sealing ring 4 to fatigue quickly, thereby rapidly reducing the service life of the first sealing ring 4.

[0047] To address the aforementioned problems, this application provides a fixing structure 6 between the first connector 1 and the second connector 7 to lock them together at a fixed distance. In this application, the fixing structure 6 includes an adjustable buckle 61 and a limiting groove 62, which are respectively provided on the first connector 1 and the second connector 7. The first connector 1 has a clearance groove relative to the adjustable buckle 61, and an elastic connecting part 14 is provided between the first connector 1 and the adjustable buckle 61. Under the action of the clearance groove and the elastic connecting part 14, the adjustable buckle 61 can form a spring-loaded button. When the first connector 1 is inserted into the second connector 7, self-locking can be completed by the spring-loaded button alone. When it needs to be pulled out, it can be unlocked and pulled out simply by pressing the spring-loaded button.

[0048] When the first connector 1 and the second connector 7 are locked together, the first connector 1 and the second connector 7 can first make a preliminary physical and electrical connection through the connection structure 2. At the same time, the buckle at the end of the adjustable buckle 61 locks the inner cavity passing through the second connector 7 onto the limiting slot 62. Because the position of the limiting slot 62 is fixed, after the adjustable buckle 61 and the limiting slot 62 are connected to each other, the first sealing ring 4 can be compressed at a fixed amount each time. This can ensure that the first sealing ring 4 is not over-compressed and thus damaged, resulting in failure of the protective performance. It can also ensure that the sealing ring is not under-compressed and thus fails to provide protective performance.

[0049] The first connector 1 and the second connector 7, through the connection structure 2, enable the connector to achieve high-density connection through the structure of the mating terminals, while ensuring transmission stability, low insertion and removal force, and good insertion and removal feel.

[0050] In this application, the first connector 1 is the male end of the connector or the second connector 7 is the male end of the connector;

[0051] Meanwhile, the second connector 7 is the female end of the connector or the first connector 1 is the female end of the connector. Through the cooperation of the above structures, the waterproof connectors can be quickly and stably connected together, ensuring sealing while improving connection stability.

[0052] In one embodiment of this application, a first connecting portion 12 protrudes from the outer periphery of the first connector 1, and a clearance cavity 13 is disposed between the first connecting portion 12 and the first connector 1.

[0053] The first connector 1 is additionally provided with a first connecting part 12. The first connecting part 12 can form a relief cavity 13 on the first connector 1. The relief cavity 13 can make the adjustable buckle 61 easy to press, making the unlocking process of the connector more convenient and smooth.

[0054] In one embodiment of this application, at least two elastic connecting portions 14 are symmetrically provided between the adjustable buckle 61 and the first connecting portion 12.

[0055] At least two elastic connection parts 14 are provided, and the two elastic connection parts 14 are symmetrically arranged. Through the two elastic connection parts 14, the rebound performance of the adjustable buckle 61 can be made more stable, and the structural strength of the adjustable buckle 61 can be guaranteed. This allows for convenient use of the connector while preventing structural damage to the adjustable buckle 61.

[0056] In one embodiment of this application, a second connecting portion 72 protrudes from the outer periphery of the second connector 7, and a movable cavity 73 is provided between the second connecting portion 72 and the second connector 7. A limiting slot 62 is provided in the second connecting portion 72 and communicates with the movable cavity 73.

[0057] The second connector 7 is also provided with a second connecting part 72 on its outer periphery. At the same time, the second connecting part 72 has a movable cavity 73 around the outer periphery of the second connector 7. The movable cavity 73 allows the end of the adjustable buckle 61 to move more flexibly, so that the buckle at the end of the adjustable buckle 61 can have deformation space after the user presses the buckle.

[0058] In one embodiment of this application, the first connector 1 and the second connector 7 both include a housing 8 and a tail sleeve 81. One end of the housing 8 is connected to the tail sleeve 81, and the other end is connected to the connecting structure 2. A locking structure 9 is provided between the tail sleeve 81 and the housing 8.

[0059] Both connectors include a housing 8 as the main body and a tail sleeve 81 for convenient protection of the cable. The connecting structure 2 is connected to one end of the housing 8, and the tail sleeve 81 is connected to the other end of the housing 8 through the locking structure 9.

[0060] In one feasible embodiment, the locking structure 9 may include a first magnetic attractor and a second magnetic attractor. The first magnetic attractor is connected to the housing 8, and the second magnetic attractor is connected to the tail sleeve 81. By the cooperation of the two magnetic attractors, the housing 8 and the tail sleeve 81 can be quickly connected and fixed, which is beneficial to improving the installation and maintenance efficiency of the connector.

[0061] In one embodiment of this application, the locking structure 9 includes an external threaded connection end and an internal threaded connection end. The external threaded connection end is disposed on the tail sleeve 81 or the outer shell 8, and the internal threaded connection end is disposed on the outer shell 8 or the tail sleeve 81.

[0062] The external threaded connection end and the internal threaded connection end cooperate and lock together, and fix the tail sleeve 81 and the outer shell 8 to each other.

[0063] The outer casing 8 and the tail sleeve 81 can also achieve the above-mentioned quick connection and fixation effect through the threaded structure.

[0064] In one embodiment of this application, the locking structure 9 includes a first latch and a second latch, the first latch being connected to the outer shell 8 and the second latch being connected to the tail sleeve 81;

[0065] The first and second fasteners engage with each other, thus fixing the tail sleeve 81 and the outer shell 8 together.

[0066] The outer shell 8 and the tail cover 81 can also cooperate with each other through the first and second fasteners. With this structure, the two fasteners can cooperate with each other to achieve quick installation and quick maintenance.

[0067] In one embodiment of this application, a second sealing ring 11 is provided between the connecting structure 2 and the first connecting member 1, and a third sealing ring 71 is provided between the connecting structure 2 and the second connecting member 7.

[0068] The second and third sealing rings can further improve the internal sealing performance of the first and second connectors, effectively ensuring the waterproof performance of the entire connector structure.

[0069] In one embodiment of this application, the connection structure 2 includes a male connection terminal 3 and a female connection terminal 5 that are mutually connected;

[0070] The male connector 3 includes a plug inner shell 31 and a first PCB assembly 32. The first PCB assembly 32 passes through the inner cavity of a housing 8, and the plug inner shell 31 is connected to the first PCB assembly 32 and passes through a housing 8.

[0071] The female connector 5 includes a socket inner shell 51 and a second PCB assembly 52. ​​A first sealing ring 4 is disposed between the plug inner shell 31 and the socket inner shell 51. The socket inner shell 51 is connected to the second PCB assembly 52 and both are inserted into the inner cavity of another outer shell 8. A connecting groove 53 for cooperating with the plug inner shell 31 is provided between the inner cavity of the other outer shell 8 and the outer periphery of the socket inner shell 51.

[0072] When the adjustable buckle 61 and the limiting slot 62 are fixed together, the plug inner shell 31 passes through the connecting slot 53 and is connected to the socket inner shell 51, and the first PCB assembly 32 is electrically connected to the second PCB assembly 52.

[0073] The connecting groove 53 between the female end 5 and the outer shell 8 can easily fix the plug inner shell 31 of the male end 3, and can initially fix the first connector 1 and the second connector 7. After the plug inner shell 31 and the socket inner shell 51 are fixed, the first PCB assembly 32 and the second PCB assembly 52 can be electrically connected to each other, so that the connector itself has high connection performance.

[0074] In one embodiment of this application, the male connector 3 is disposed on the first connector 1 or the second connector 7; the female connector 5 is disposed on the second connector 7 or the first connector 1.

[0075] Both the first connector 1 and the second connector 7 can be either the male end 3 or the female end 5. They are quantitatively locked by the adjustable buckle 61 and the limiting groove 62, which can ensure a fixed compression amount, improve waterproof performance, extend the life of the first sealing ring 4, and effectively improve the user experience.

[0076] In the accompanying drawings of this embodiment, the same or similar reference numerals correspond to the same or similar components. In the description of this application, it should be understood that if terms such as "upper," "lower," "left," and "right" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, they are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms used to describe positional relationships in the accompanying drawings are only for illustrative purposes and should not be construed as limiting this patent. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0077] The above are merely preferred embodiments of this application and are not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A rectangular waterproof connector unlocked by a snap, characterized by, It includes a first connector and a second connector, wherein a first sealing ring, a connection structure for electrically connecting the two connectors, and a fixing structure for locking the two connectors together are provided between the first connector and the second connector. The fixing structure includes adjustable buckles and limiting slots that cooperate with each other; The adjustable buckle is provided on the first connector, and the second connector is provided with a limiting slot corresponding to the adjustable buckle; The adjustable buckle is provided with an elastic connection between the end away from the limiting slot and the first connector, and the first connector is provided with a clearance cavity relative to the adjustable buckle.

2. The rectangular waterproof connector unlocked by a snap according to claim 1, characterized in that, The first connector has a first connecting portion protruding from its outer periphery, and the clearance cavity is located between the first connecting portion and the first connector.

3. A rectangular waterproof connector unlocked by a snap according to claim 2, characterized in that, At least two elastic connecting parts are symmetrically provided between the adjustable buckle and the first connecting part.

4. A rectangular waterproof connector with snap-on unlocking as described in claim 1, characterized in that, The second connector has a second connecting portion protruding from its outer periphery, and a movable cavity is provided between the second connecting portion and the second connector. The limiting slot is provided in the second connecting portion and communicates with the movable cavity.

5. The rectangular waterproof connector unlocked by a snap according to claim 1, characterized in that, Both the first connector and the second connector include a housing and a tail sleeve. One end of the housing is connected to the tail sleeve, and the other end is connected to a connecting structure. A locking structure is provided between the tail sleeve and the housing.

6. A rectangular waterproof connector with snap-on unlocking according to claim 5, characterized in that, The locking structure includes an external threaded connection end and an internal threaded connection end. The external threaded connection end is located on the tail sleeve or the outer shell, and the internal threaded connection end is located on the outer shell or the tail sleeve. The external threaded connection end and the internal threaded connection end cooperate and lock together, and fix the tail sleeve and the outer shell together.

7. A rectangular waterproof connector with snap-on unlocking according to claim 5, characterized in that, The locking structure includes a first latch and a second latch, the first latch being connected to the outer shell and the second latch being connected to the tail sleeve; The first and second fasteners engage with each other, thus securing the tail sleeve and the outer shell together.

8. A rectangular waterproof connector with snap-on unlocking according to claim 5, characterized in that, A second sealing ring is provided between the connecting structure and the first connecting member, and a third sealing ring is provided between the connecting structure and the second connecting member.

9. A rectangular waterproof connector with snap-on unlocking as described in claim 8, characterized in that, The connection structure includes a male connection terminal and a female connection terminal that are mutually connected; The male connector includes a plug inner shell and a first PCB assembly. The first PCB assembly passes through the inner cavity of a housing, and the plug inner shell is connected to the first PCB assembly and passes through a housing. The female connector includes a socket inner shell and a second PCB assembly. The first sealing ring is disposed between the plug inner shell and the socket inner shell. The socket inner shell is connected to the second PCB assembly and both are inserted into the inner cavity of the other outer shell. A connecting groove for mating with the plug inner shell is provided between the inner cavity of the other outer shell and the outer periphery of the socket inner shell. When the adjustable buckle and the limiting slot are fixed together, the inner shell of the plug passes through the connecting slot and is connected to the inner shell of the socket, and the first PCB assembly is electrically connected to the second PCB assembly.

10. A rectangular waterproof connector with snap-on unlocking according to claim 9, characterized in that, The male connector is located on the first connector or the second connector; the female connector is located on the second connector or the first connector.

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