Waterproof connector and electronic connection equipment

Abstract

The utility model belongs to the technical field of connectors, and particularly relates to a waterproof connector and electronic connection equipment, terminals are accommodated in a shell, and the shell is assembled in a connector base; the rear end of the terminal is connected with a wire harness. The waterproof connector further comprises a first waterproof ring, a second waterproof ring and a clamping hook. The first waterproof ring is connected to the rear end of the shell in a sealing manner and is provided with a sealing hole which is in interference fit with the wire harness; the second waterproof ring is embedded in the front end of the shell; the clamping hook is arranged at the top of the shell; the connector base is provided with a clamping groove matched with the clamping hook, and the clamping hook is configured to be connected with the clamping groove through elastic deformation; according to the utility model, the first waterproof ring effectively seals the joint of the wire harness and the housing, and the second waterproof ring abuts against the inner wall of the connector pedestal to form a multi-layer sealing structure, thereby improving the waterproof and moisture-proof performances; and the clamping hooks are matched with the clamping grooves of the connector base, so that stable connection is realized, and falling is prevented.

Description

Technical Field

[0001] This utility model belongs to the field of connector technology, specifically relating to waterproof connectors and electronic connection devices. Background Technology

[0002] Many electronic devices require connectors with conductive contact pins to achieve electrical connection, enabling power supply or signal transmission. Most connectors are assembled using this plug-in method and are used in various scenarios requiring reliable electrical connections.

[0003] Existing waterproof connectors face numerous challenges in practical applications. Their waterproof performance is limited; in complex environments, moisture can easily seep in from between the wire harness and the housing, or at the interface between the connector and the base, causing short circuits and affecting normal equipment operation. Secondly, the terminals lack sufficient stability; they can easily loosen during vehicle bumps or equipment vibrations, leading to poor contact, affecting signal transmission stability, and even interrupting the connection. Therefore, there is an urgent need for a connector that simultaneously achieves both waterproof performance and mating stability. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, this utility model provides a waterproof connector and electronic connection equipment to solve the problems of limited waterproof performance and insufficient terminal fixing stability of the prior art.

[0005] One embodiment of this utility model provides a waterproof connector, including a housing and a plurality of terminals, wherein the terminals are housed within the housing, and the housing is assembled into a connector base; a wire harness is connected to the rear end of each terminal, and the waterproof connector further includes a first waterproof ring, a second waterproof ring, and a locking hook;

[0006] The first waterproof ring is provided with a sealing hole corresponding to the wire harness, and the sealing hole and the wire harness are interference-fitted. The first waterproof ring is sealed to the rear end of the housing.

[0007] The front end of the housing is provided with a groove, and the second waterproof ring is embedded in the groove;

[0008] The hook is located on the top of the housing; the connector base is provided with a slot that mates with the hook, and the hook is configured to connect with the slot through elastic deformation.

[0009] In one embodiment of this utility model, the hook includes a cantilever, a hook-shaped structure, a bent connecting part, and a pressing part. The bent connecting part is disposed in the middle of the housing. One end of the cantilever is connected to the bent connecting part, and the other end of the cantilever is connected to the pressing part. The pressing part is suspended above the rear end of the housing, and the hook-shaped structure is disposed in the middle section of the cantilever.

[0010] In one embodiment of this utility model, the hook includes a cantilever, a hook-shaped structure, and a bent connecting part. The bent connecting part is disposed at the rear end of the housing. One end of the cantilever is connected to the bent connecting part, and the other end is suspended to the middle of the housing. The hook-shaped structure is disposed in the middle section of the cantilever.

[0011] In one embodiment of this utility model, the outer circumference of the first waterproof ring is provided with a plurality of first sealing protrusions, and the first sealing protrusions abut against the inner wall of the cavity at the rear end of the housing.

[0012] In one embodiment of this utility model, a plurality of second sealing protrusions are provided on the outer side of the second waterproof ring, and the second sealing protrusions press against the inner wall of the connector base.

[0013] In one embodiment of this utility model, a moisture-proof gasket is further included. The moisture-proof gasket is abutted at the interface where the housing and the connector base are inserted, and the shape of the moisture-proof gasket matches the shape of the interface of the housing.

[0014] In one embodiment of this utility model, the moisture-proof gasket is a flexible material gasket, so that the moisture-proof gasket is compressed when the housing is inserted, and the moisture-proof gasket fits tightly against the outer side of the housing.

[0015] In one embodiment of this utility model, a terminal locking structure is further included. The side of the housing is provided with a mounting hole corresponding to the terminal locking structure. The terminal locking structure is inserted into the mounting hole and engages with the terminal.

[0016] In one embodiment of this utility model, the terminal locking structure includes a connecting rod and a stop leg;

[0017] The side of the housing is provided with a mounting groove corresponding to the connecting rod, the connecting rod is disposed in the mounting groove, and the mounting hole is disposed at the bottom of the mounting groove and extends to the opposite side of the housing;

[0018] The two stop legs are arranged parallel to each other on the connecting rod, and the stop legs are inserted through the mounting holes;

[0019] The stop leg engages with the positioning grooves of several terminals to fix the terminals inside the housing.

[0020] In one embodiment of this utility model, an electronic connection device is also provided, including a waterproof connector as described in any of the above embodiments.

[0021] The waterproof connector and electronic connection device provided by this utility model can achieve the following technical effects:

[0022] 1. This utility model provides a first waterproof ring with a first sealing protrusion on its outer side, which effectively fixes the first waterproof ring to the rear end of the housing. The sealing hole of the first waterproof ring is interference-fitted with the wire harness, effectively sealing the connection between the wire harness and the housing and preventing moisture from seeping in. At the same time, the second waterproof ring is embedded in the groove at the front end of the housing, and the multiple sealing protrusions on the outer side of the second waterproof ring can press against the inner wall of the connector base, forming a multi-layer sealing structure, which further improves the waterproof and moisture-proof performance.

[0023] 2. This utility model, through the design of the connecting rod and support legs of the terminal locking structure, enables the first and second support legs to respectively cooperate with the positioning grooves of multiple terminals, ensuring that the terminals are firmly fixed in the housing, avoiding loosening due to vibration or external force, and ensuring stable signal transmission; when the housing is assembled with the connector base, the hook cooperates with the slot of the connector base, and achieves a stable connection through elastic deformation, while effectively fixing the terminal locking structure to prevent it from falling off.

[0024] 3. This utility model further enhances the waterproof effect by tightly fitting the moisture-proof gasket between the housing and the connector base. Attached Figure Description

[0025] 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.

[0026] Figure 1 This is an exploded view of the connectors in embodiments 1 and 2 of this utility model;

[0027] Figure 2 A schematic diagram showing the combined structure of the connectors in embodiments 1 and 2 of this utility model;

[0028] Figure 3 This diagram illustrates the fit between the housing and other components in embodiments 1 and 2 of this utility model.

[0029] Figure 4 An exploded view of the connector of embodiment 3 of this utility model;

[0030] Figure 5 A schematic diagram showing the combined structure of the connector of embodiment 3 of this utility model;

[0031] Figure 6 A schematic diagram of the housing for setting the terminal locking structure, representing Embodiment 5 of this utility model;

[0032] Figure 7 A schematic diagram illustrating the terminal locking structure of Embodiment 5 of this utility model;

[0033] Figure 8 This is a schematic diagram showing the structure of the first waterproof ring of this utility model;

[0034] Figure 9 This is a schematic diagram showing the structure of the second waterproof ring of this utility model.

[0035] The symbols in the attached image are explained as follows:

[0036] 1-Housing; 11-Mounting hole; 12-Mounting slot;

[0037] 2-terminal;

[0038] 3-Connector base;

[0039] 4-First waterproof ring; 41-Sealing hole; 42-First sealing protrusion;

[0040] 5-Second waterproof ring; 51-Second sealing protrusion;

[0041] 6-Hook; 61-Cantilever; 62-Hook-shaped structure; 63-Bending connection; 64-Pressing part;

[0042] 7-Terminal locking structure; 71-Connecting rod; 72-Stop support leg. Detailed Implementation

[0043] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0044] Example 1

[0045] Please refer to Figures 1-9 One embodiment of this utility model provides a waterproof connector, including a housing 1 and a plurality of terminals 2, wherein the terminals 2 are housed within the housing 1, and the housing 1 is assembled into a connector base 3; a wire harness is connected to the rear end of the terminals 2, and the waterproof connector further includes a first waterproof ring 4, a second waterproof ring 5, and a hook 6;

[0046] The first waterproof ring 4 is provided with a sealing hole 41 corresponding to the wire harness. The sealing hole 41 and the wire harness are interference-fitted. The first waterproof ring 4 is sealed to the rear end of the housing 1.

[0047] The front end of the housing 1 is provided with a groove, and the second waterproof ring 5 is embedded in the groove;

[0048] The hook 6 is disposed on the top of the housing 1; the connector base 3 is provided with a slot that mates with the hook 6, and the hook 6 is configured to connect with the slot through elastic deformation.

[0049] In one application scenario of this utility model, the outer periphery of the first waterproof ring 4 is provided with a plurality of first sealing protrusions 42, and the first sealing protrusions 42 abut against the inner wall of the cavity at the rear end of the housing 1.

[0050] Additionally, the outer side of the second waterproof ring 5 is provided with a plurality of second sealing protrusions 51, which press against the inner wall of the connector base 3.

[0051] Understandably, in this embodiment, by setting a first waterproof ring 4 and a first sealing protrusion 42 on the outside of the first waterproof ring 4, the first waterproof ring 4 is effectively fixed to the rear end of the housing 1, and the sealing hole 41 of the first waterproof ring 4 is interference-fitted with the wire harness to effectively seal the connection between the wire harness and the housing 1 and prevent moisture from seeping in. At the same time, the second waterproof ring 5 is embedded in the groove at the front end of the housing 1, and the multiple sealing protrusions on the outside of the second waterproof ring 5 can press against the inner wall of the connector base 3 to form a multi-layer sealing structure, further improving the waterproof and moisture-proof performance.

[0052] Furthermore, when the housing 1 is assembled with the connector base 3, the hook 6 engages with the slot of the connector base 3, achieving a stable connection through elastic deformation to prevent detachment.

[0053] Example 2

[0054] Please refer to Figures 1-3 Based on Embodiment 1, the hook 6 includes a cantilever 61, a hook-shaped structure 62, a bent connecting part 63, and a pressing part 64. The bent connecting part 63 is disposed in the middle of the housing 1. One end of the cantilever 61 is connected to the bent connecting part 63, and the other end of the cantilever 61 is connected to the pressing part 64. The pressing part 64 is suspended above the rear end of the housing 1, and the hook-shaped structure 62 is disposed in the middle section of the cantilever 61.

[0055] Understandably, the bent connecting part 63 and the cantilever 61 form an elastic structure, causing the pressing part 64 to be in a raised state. By suspending the pressing part 64 above the rear end of the housing 1, when the housing 1 and the connector base 3 are assembled, the pressing part 64 is located at the edge of the connector base 3, making it more convenient for the user to release the hook structure 62 from the slot of the connector base 3 by pressing the pressing part 64, thus improving the user experience.

[0056] Example 3

[0057] Please refer to Figures 4-5 Based on Embodiment 1, the hook 6 includes a cantilever 61, a hook-shaped structure 62, and a bending connection part 63. The bending connection part 63 is disposed at the rear end of the housing 1. One end of the cantilever 61 is connected to the bending connection part 63, and the other end is suspended to the middle of the housing 1. The hook-shaped structure 62 is disposed in the middle section of the cantilever 61.

[0058] Understandably, the bent connecting part 63 and the cantilever 61 form an elastic structure, so that the pressing part 64 is in a raised state; when the housing 1 and the connector base 3 are assembled together, the hook structure 62 cooperates with the slot of the connector base 3, and achieves a stable connection through elastic deformation to prevent it from falling off.

[0059] Example 4

[0060] Based on any one of embodiments 1-3, a moisture-proof gasket is also included. The moisture-proof gasket is abutted at the interface where the housing 1 and the connector base 3 are inserted, and the shape of the moisture-proof gasket matches the interface shape of the housing 1.

[0061] The moisture-proof gasket is made of a flexible material so that it is compressed when the housing 1 is inserted, and the moisture-proof gasket fits tightly against the outer side of the housing 1.

[0062] Understandably, the moisture-proof gasket fits tightly against the connection between the housing 1 and the connector base 3, further enhancing the waterproof effect; moreover, the moisture-proof gasket uses an insulating silicone gasket, giving it both insulation and moisture-proof properties.

[0063] Example 5

[0064] Please refer to Figures 4-7 Based on Embodiment 1, a terminal locking structure 7 is also included. The housing 1 has a mounting hole corresponding to the terminal locking structure 7 on its side. The terminal locking structure 7 is inserted into the mounting hole and engages with the terminal 2.

[0065] The terminal locking structure 7 includes a connecting rod 71 and a stop leg 72.

[0066] The housing 1 has a mounting groove 12 on its side corresponding to the connecting rod 71. The connecting rod 71 is disposed in the mounting groove 12. The mounting hole 11 is disposed at the bottom of the mounting groove 12 and extends through to the opposite side of the housing 1. Two stop legs 72 are disposed parallel to each other on the connecting rod 71. The stop legs 72 are disposed through the mounting hole 11.

[0067] The stop leg 72 engages with the positioning grooves of several terminals 2 to fix the terminals 2 inside the housing 1.

[0068] Understandably, in this embodiment, the connecting rod 71 and the support leg design of the terminal locking structure 7 enable the stop support leg 72 to cooperate with the positioning grooves of multiple terminals 2 respectively, ensuring that the terminals 2 are firmly fixed in the housing 1, avoiding loosening due to vibration or external force, and ensuring stable signal transmission.

[0069] Example 6

[0070] In one embodiment of this utility model, an electronic connection device is also provided, including a waterproof connector as described in any of the above embodiments.

[0071] The electronic connection device provided by this utility model can achieve the following technical effects:

[0072] 1. This utility model provides a first waterproof ring 4 and a first sealing protrusion 42 on the outside of the first waterproof ring 4, so that the first waterproof ring 4 is effectively fixed to the rear end of the housing 1. The sealing hole 41 of the first waterproof ring 4 is interference-fitted with the wire harness, effectively sealing the connection between the wire harness and the housing 1 to prevent moisture from seeping in. At the same time, the moisture-proof gasket fits tightly against the connection between the housing 1 and the connector base 3, further improving the waterproof effect.

[0073] 2. This utility model, through the design of the connecting rod 71 and the support leg of the terminal locking structure 7, enables the stop support leg 72 to cooperate with the positioning grooves of multiple terminals 2 respectively, ensuring that the terminals 2 are firmly fixed in the housing 1, avoiding loosening due to vibration or external force, and ensuring stable signal transmission; when the housing 1 is assembled with the connector base 3, the hook 6 cooperates with the slot of the connector base 3, and achieves a stable connection through elastic deformation, while effectively fixing the terminal locking structure 7 to prevent it from falling off.

[0074] 3. In this utility model, the second waterproof ring 5 is embedded in the groove at the front end of the housing 1. The multiple sealing protrusions on the outer side of the second waterproof ring 5 can press against the inner wall of the connector base 3 to form a multi-layer sealing structure, which further improves the waterproof and moisture-proof performance.

[0075] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A waterproof connector comprising a housing (1) and a plurality of terminals (2), characterized in that, The terminal (2) is accommodated in the shell (1), the shell (1) is assembled into the connector base (3); the rear end of the terminal (2) is connected with the wire harness, the waterproof connector further comprises a first waterproof ring (4), a second waterproof ring (5) and a hook (6); The first waterproof ring (4) is provided with a sealing hole (41) corresponding to the wire harness, the sealing hole (41) is in interference fit with the wire harness, and the first waterproof ring (4) is sealingly connected to the rear end of the shell (1); The front end of the shell (1) is annularly provided with a groove, and the second waterproof ring (5) is embedded in the groove; The hook (6) is arranged on the top of the shell (1); the connector base (3) is provided with a clamping groove matched with the hook (6), and the hook (6) is configured to be connected with the clamping groove through elastic deformation.

2. The waterproof connector according to claim 1, wherein The hook (6) comprises a cantilever (61), a hook structure (62), a bent connecting portion (63) and a pressing portion (64), the bent connecting portion (63) is arranged in the middle of the shell (1), one end of the cantilever (61) is connected with the bent connecting portion (63), the other end of the cantilever (61) is connected with the pressing portion (64), the pressing portion (64) is suspended above the rear end of the shell (1), and the hook structure (62) is arranged in the middle segment of the cantilever (61).

3. The waterproof connector according to claim 1, wherein The hook (6) comprises a cantilever (61), a hook structure (62) and a bent connecting portion (63), the bent connecting portion (63) is arranged at the rear end of the shell (1), one end of the cantilever (61) is connected with the bent connecting portion (63), and the other end of the cantilever (61) is suspended to the middle of the shell (1), and the hook structure (62) is arranged in the middle segment of the cantilever (61).

4. The waterproof connector of claim 1, wherein, The outer periphery of the first waterproof ring (4) is annularly provided with a plurality of first sealing protrusions (42), and the first sealing protrusions (42) abut against the inner wall of the cavity at the rear end of the shell (1).

5. The waterproof connector of claim 1, wherein, The outer side of the second waterproof ring (5) is provided with a plurality of second sealing protrusions (51), and the second sealing protrusions (51) abut against the inner wall of the connector base (3).

6. The waterproof connector of claim 1, wherein, A moisture-proof gasket is further arranged at the interface between the shell (1) and the connector base (3), and the moisture-proof gasket is matched with the shape of the interface of the shell (1).

7. The waterproof connector of claim 6, wherein, The moisture-proof gasket is made of flexible material, so that the moisture-proof gasket is compressed when the shell (1) is inserted, and the moisture-proof gasket is tightly attached to the outer side of the shell (1).

8. The waterproof connector according to any one of claims 1 to 7, wherein A terminal locking structure (7) is further arranged, a mounting hole (11) corresponding to the terminal locking structure (7) is arranged on the side surface of the shell (1), the terminal locking structure (7) is inserted into the mounting hole (11), and the terminal locking structure (7) is clamped with the terminal (2).

9. The waterproof connector of claim 8, wherein, The terminal locking structure (7) comprises a connecting rod (71) and a stop leg (72). The shell (1) is provided with a mounting groove (12) corresponding to the connecting rod (71), the connecting rod (71) is arranged in the mounting groove (12), and the mounting hole (11) is arranged at the groove bottom of the mounting groove (12) and penetrates to the opposite side of the shell (1); Two stop legs (72) are arranged in parallel on the connecting rod (71), and the stop legs (72) are arranged in penetration in the mounting hole (11); The stop legs (72) are in stop cooperation with positioning grooves of the plurality of terminals (2), so that the terminals (2) are fixed in the shell (1).

10. An electronic connection device, characterized by A waterproof connector comprising the waterproof connector according to any one of claims 1-9.

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