Connector housing

By designing a rubber sealing mechanism and snap-fit ​​structure on the electrical connector housing, the problem of humid air intrusion into the connector is solved, achieving higher sealing performance and service life.

CN224053514UActive Publication Date: 2026-03-27DONGGUAN SHENRUI ELECTRONIC TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-03
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Traditional electrical connectors are susceptible to corrosion and short circuits in humid environments, which can affect their lifespan.

Method used

The sealing mechanism at the upper end of the connection section uses thin and thick rubber strips, combined with a double-layer sealing design of inner and outer rubber rings to enhance waterproofing. The snap-fit ​​structure improves the tightness of the shell, and the embedded installation of the inner rubber ring and the drainage groove design further isolate humid air.

Benefits of technology

It effectively reduces the intrusion of humid air into the connector, improves sealing performance, extends the connector's service life, and enhances waterproof and impact-resistant effects.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224053514U_ABST
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Abstract

The utility model relates to the technical field of electric connectors, and discloses a connector shell which comprises a first connecting part and a second connecting part installed on one side of the first connecting part, contact pins are installed on the first connecting part and the second connecting part in an inserted mode, a first sealing mechanism is arranged at the upper end of the second connecting part, and a second sealing mechanism is arranged at the lower end of the second connecting part. The first sealing mechanism comprises a rubber thin strip arranged at the upper end of the second connecting part, rubber thick strips are fixedly installed on the two sides of the upper end of the rubber thin strip, and the rubber thin strip and the rubber thick strips are made of rubber materials, have waterproof and sealing effects and are installed in the upper end of the second connecting part and a gap between the upper end of the second connecting part. The waterproof and anti-collision device is used for achieving waterproof and anti-collision effects on the second connecting part and the pins in the second connecting part so as to reduce the influence of humid air on the second connecting part and the pins.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric connector, concretely is a kind of connector housing. BACKGROUND

[0002] Electric connector is widely used in various trades and professions, and plug-in electric connector is a kind of commonly used, when being applied, it can be achieved electric connection by inserting pin into jack.

[0003] Connector itself is usually composed of multiple electrical contacts, pins, contact points etc., for realizing the transmission of electricity or signal, and the shell is the external protective part of the connector, provides mechanical support, reduces external interference.

[0004] Traditional electric connector installation scene is more extensive, if installed in the environment with more moisture, external humid air is easy to penetrate into the gap between pin and connector shell, affect the insulation of contact point and external air, not only easy to cause the surface corrosion of connector and pin, serious can also cause the short circuit of connector, affect the service life of connector.

[0005] Therefore, we propose a kind of connector housing to solve the problems raised above. INVENTION CONTENTS

[0006] The utility model aims at providing a kind of connector housing to solve the problems raised in the above background.

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of connector housing, including first connecting part and the second connecting part of the first connecting part one side installation, the first connecting part and the second connecting part are all inserted and installed with pin, the upper end of the second connecting part is provided with first sealing mechanism, the first sealing mechanism includes the rubber thin strip of the upper end of second connecting part, the two sides of the upper end of the rubber thin strip are fixedly installed with rubber thick strip;

[0008] Second sealing mechanism is jointly installed between the second connecting part and the pin, and the second sealing mechanism includes a rubber inner ring arranged on the outer periphery of the pin, and one end of the rubber inner ring is fixedly connected with the side wall of the second connecting part.

[0009] Preferably, the first connecting part includes a first housing, the lower end of the two sides of the first housing is provided with a clamping groove, and the two sides of the first housing are also fixedly installed with a clamping block.

[0010] Preferably, the second connecting part includes a second housing arranged on one side of the first housing, one end of the second housing is fixedly installed with a clamping block, and the clamping block is matched with the clamping groove.

[0011] Preferably, the upper end of the second shell body is provided with a mounting groove, the rubber thin strip is matched with the mounting groove, and the two ends of the mounting groove are communicated and mounted with clamping grooves, the clamping block is matched with the clamping groove, the side wall of the second shell body is provided with an avoiding groove, one end of the rubber inner ring is fixedly mounted in the avoiding groove, and the lower end of the second shell body is also provided with a water draining groove communicated with the mounting groove.

[0012] Preferably, the length of the rubber thick strip is greater than that of the rubber thin strip, and the rubber thick strip is attached and mounted at the upper end of the second shell body.

[0013] Preferably, one end of the rubber thin strip is fixedly mounted with a handle, the handle is of an L-shaped structure, and is arranged in the clamping groove on the side of the second shell body away from the first shell body.

[0014] Preferably, one end of the rubber inner ring is provided with a rubber convex part, the middle part of the rubber convex part has a greater diameter than the two side parts, one end of the rubber convex part is fixedly connected with the outer periphery of the insertion pin, and the lower end of the rubber convex part is provided with a rubber cross-shaped opening.

[0015] Preferably, the outer periphery of the rubber convex part is also fixedly mounted with a rubber outer ring, and one end of the rubber outer ring is fixedly connected with the second shell body.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] 1. The rubber thin strip and the rubber thick strip are made of rubber material, have waterproof and sealing effects, are mounted in the gap at the upper end of the second connecting part and the upper end, are used for playing a waterproof and anti-collision role on the second connecting part and the insertion pin inside, reduce the influence of humid air on the second connecting part and the insertion pin, the rubber inner ring is mounted at the connection position of the second connecting part and the insertion pin, can wrap the connection position of the second connecting part and the insertion pin, wraps all around, can isolate the air and water vapor at the connection position, reduces the invasion and corrosion of humid air, and is convenient for increasing the service life of the connector shell.

[0018] 2. The clamping block is inserted into the clamping groove, the first shell body and the second shell body can be inserted together, the tightness of the two can be effectively increased, the rubber thin strip can be matched in the mounting groove, is used for sealing and waterproofing the gap at the upper end of the second shell body, the clamping block and the clamping groove can also be completely matched, and the tightness between the first shell body and the second shell body is further increased.

[0019] 3. The length of the rubber thick strip is greater than that of the rubber thin strip, the rubber thick strip is attached and mounted at the upper end of the second shell body, can play a role in anti-collision and waterproofing on the whole upper end of the second shell body, and the sealing effect is further increased.

[0020] 4. The inner rubber ring is embedded, which increases the difficulty of humid air entering and further enhances the waterproof performance. An outer rubber ring is also fixedly installed on the outer periphery of the rubber protrusion. One end of the outer rubber ring is fixedly connected to the second outer shell. The double-layer ring rubber provides double waterproofing, greatly enhancing the sealing performance and improving the performance. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0022] Figure 2 This is a schematic diagram of the first connecting part of this utility model;

[0023] Figure 3 This is a schematic diagram of the second connecting part of this utility model;

[0024] Figure 4 This is the first sealing mechanism of this utility model;

[0025] Figure 5 This is a cross-sectional view of the insert and the second sealing mechanism of this utility model.

[0026] In the figure: 1. First connecting part; 11. First outer shell; 12. Snap-fit ​​groove; 13. Snap-fit ​​block; 2. Second connecting part; 21. Second outer shell; 22. Snap-fit ​​block; 23. Mounting groove; 24. Snap-fit ​​groove; 25. Clearance groove; 26. Water drain groove; 3. Pin; 4. First sealing mechanism; 41. Thin rubber strip; 42. Thick rubber strip; 43. Handle; 5. Second sealing mechanism; 51. Inner rubber ring; 52. Rubber protrusion; 53. Outer rubber ring; 54. Rubber cross joint. Detailed Implementation

[0027] 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.

[0028] Example 1: Please refer to Figures 1-5 A connector housing includes a first connecting part 1 and a second connecting part 2 installed on one side of the first connecting part 1. Pins 3 are inserted and installed on both the first connecting part 1 and the second connecting part 2. The first connecting part 1 and the second connecting part 2 together form a connector housing, which can fix and protect the pins 3.

[0029] The upper end of the second connecting part 2 is provided with a first sealing mechanism 4, which comprises a rubber thin strip 41 arranged at the upper end of the second connecting part 2, and rubber thick strips 42 fixedly arranged at both sides of the upper end of the rubber thin strip 41. The rubber thin strip 41 and the rubber thick strips 42 are both made of rubber, have waterproof and sealing effects, are arranged in the gap between the upper end of the second connecting part 2 and the upper end, and are used for preventing water and collision of the second connecting part 2 and the internal pin 3, so as to reduce the influence of humid air on the second connecting part 2 and the pin 3.

[0030] A second sealing mechanism 5 is arranged between the second connecting part 2 and the pin 3, and the second sealing mechanism 5 comprises a rubber inner ring 51 arranged at the outer periphery of the pin 3. One end of the rubber inner ring 51 is fixedly connected with the side wall of the second connecting part 2. The material of the rubber inner ring 51 is consistent with that of the rubber thin strip 41, and the rubber inner ring 51 is arranged at the connection between the second connecting part 2 and the pin 3. The rubber inner ring 51 in the annular structure wraps the connection between the second connecting part 2 and the pin 3, and wraps the periphery, so that the air and water vapor at the connection are isolated, and the invasion and corrosion of humid air are reduced.

[0031] The first sealing mechanism 4 and the second sealing mechanism 5 are arranged at the outer periphery of the connector shell, and the first sealing mechanism 4 and the second sealing mechanism 5 wrap the gap at the outer periphery of the second connecting part 2, greatly play the role of isolating humid air, and facilitate to increase the service life of the connector shell.

[0032] Embodiment two: please refer to Figures 1-4 The first connecting part 1 comprises a first outer shell 11, and clamping grooves 12 are arranged at the lower ends of the two sides of the first outer shell 11. Clamping blocks 13 are fixedly arranged at the two sides of the first outer shell 11.

[0033] The second connecting part 2 comprises a second outer shell 21 arranged at one side of the first outer shell 11. A clamping block 22 is fixedly arranged at one end of the second outer shell 21. The clamping block 22 is matched with the clamping groove 12, and the clamping block 22 is inserted into the clamping groove 12. The first outer shell 11 and the second outer shell 21 can be inserted together, and the tightness of the two can be effectively increased.

[0034] An installation groove 23 is arranged at the upper end of the second outer shell 21. The rubber thin strip 41 is matched with the installation groove 23. Clamping grooves 24 are arranged at the two ends of the installation groove 23 in communication. The installation groove 23 and the clamping groove 24 are natural seams of the second outer shell 21. The rubber thin strip 41 can be matched in the installation groove 23, and is used for sealing and waterproofing the seam at the upper end of the second outer shell 21.

[0035] The clamping block 13 is matched with the clamping groove 24. When the first outer shell 11 and the second outer shell 21 are inserted together, the clamping block 13 and the clamping groove 24 can also be completely matched, and the tightness between the first outer shell 11 and the second outer shell 21 is further increased.

[0036] Embodiment three: please refer to Figures 1-4 The length of the rubber thick strip 42 is greater than that of the rubber thin strip 41, the rubber thick strip 42 is attached to the upper end of the second outer shell 21, and the entire upper end of the second outer shell 21 is prevented from being impacted and watered, further increasing the sealing effect.

[0037] One end of the rubber thin strip 41 is fixedly installed with a handle 43, the handle 43 is of an L-shaped structure, and is arranged in the clamping groove 24 away from the first outer shell 11 on the second outer shell 21, the rubber thin strip 41 is clamped in the installation groove 23, and the handle 43 protrudes from the outer side of the second outer shell 21, facilitating the dismounting and replacement of the rubber thin strip 41.

[0038] Embodiment four: please refer to Figures 1-5 An avoiding groove 25 is formed in the side wall of the second outer shell 21, and one end of a rubber inner ring 51 is fixedly installed in the avoiding groove 25, the rubber inner ring 51 is installed in an embedded manner, increasing the difficulty of the humid air entering, and further increasing the waterproof performance.

[0039] One end of the rubber inner ring 51 is provided with a rubber protruding part 52, the middle part of the rubber protruding part 52 has a greater diameter than the two side parts, one end of the rubber protruding part 52 is fixedly connected with the outer periphery of the pin 3, the rubber inner ring 51 is of a concave-convex structure and has a certain elasticity, and can further play a buffering role to a certain extent, so as to reduce the impact of external substances on the connection between the second connecting part 2 and the pin 3, and the protection effect is good.

[0040] The outer periphery of the rubber protruding part 52 is further fixedly installed with a rubber outer ring 53, one end of the rubber outer ring 53 is fixedly connected with the second outer shell 21, the double-layer annular rubber is arranged, the double-layer waterproof is achieved, the sealing performance is greatly enhanced, and the use effect is good.

[0041] Embodiment five: please refer to Figures 1-4 Since the installation environment of the device is also in humid air, when the rubber thin strip 41 is installed, the installation groove 23 is completely sealed, and the internal humidity is not easy to remove. In order to solve this problem, a water draining groove 26 is formed in the lower end of the second outer shell 21, the water draining groove 26 is further communicated with the installation groove 23 and the interior of the rubber protruding part 52. When the rubber thin strip 41 is inserted into the installation groove 23, the air in the installation groove 23 is expelled into the water draining groove 26, the humidity enters the interior space of the rubber protruding part 52, the rubber protruding part 52 is inflated, a rubber cross-shaped opening 54 is formed in the lower end of the rubber protruding part 52, in the initial state, the rubber cross-shaped opening 54 protrudes towards the rubber outer ring 53, and the rubber cross-shaped opening 54 is in a closed state. After the rubber protruding part 52 is inflated, the rubber cross-shaped opening 54 is slightly opened, the internal air is discharged from the rubber cross-shaped opening 54, and the humid air in the device is greatly reduced.

[0042] The rubber cross 54 forms a one-way exhaust structure, and the gas is exhausted into the space formed by the rubber cross 54 and the rubber outer ring 53, so that the outer periphery of the rubber outer ring 53 is further expanded, the cross section forms a micro-arch structure, and the water droplets can be reduced to a certain extent compared with the concave structure cross section, and the waterproof effect of the pin connection is further achieved.

[0043] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0044] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A connector housing comprising a first connecting portion (1) and a second connecting portion (2) mounted on one side of the first connecting portion (1), a pin (3) being fitted and mounted on each of the first connecting portion (1) and the second connecting portion (2), characterized in that, The upper end of the second connecting part (2) is provided with a first sealing mechanism (4), which comprises a rubber thin strip (41) arranged at the upper end of the second connecting part (2), and rubber thick strips (42) fixedly arranged at both sides of the upper end of the rubber thin strip (41); A second sealing mechanism (5) is arranged between the second connecting part (2) and the pin (3), and the second sealing mechanism (5) comprises a rubber inner ring (51) arranged on the outer periphery of the pin (3), and one end of the rubber inner ring (51) is fixedly connected with the side wall of the second connecting part (2).

2. A connector housing according to claim 1, characterized in that: The first connecting part (1) comprises a first outer shell (11), and clamping grooves (12) are arranged at the lower ends of both sides of the first outer shell (11), and clamping blocks (13) are fixedly arranged at both sides of the first outer shell (11).

3. A connector housing according to claim 2, wherein: The second connecting part (2) comprises a second outer shell (21) arranged at one side of the first outer shell (11), and a clamping block (22) is fixedly arranged at one end of the second outer shell (21), and the clamping block (22) is matched with the clamping groove (12).

4. A connector housing according to claim 3, wherein: An installation groove (23) is arranged at the upper end of the second outer shell (21), the rubber thin strip (41) is matched with the installation groove (23), clamping grooves (24) are arranged at both ends of the installation groove (23), the clamping blocks (13) are matched with the clamping grooves (24), an avoiding groove (25) is arranged on the side wall of the second outer shell (21), one end of the rubber inner ring (51) is fixedly arranged in the avoiding groove (25), and a water draining groove (26) is arranged at the lower end of the second outer shell (21) and is in communication with the installation groove (23).

5. A connector housing according to claim 4, wherein: The length of the rubber thick strip (42) is greater than that of the rubber thin strip (41), and the rubber thick strip (42) is fixedly arranged at the upper end of the second outer shell (21).

6. A connector housing according to claim 5, wherein: One end of the rubber thin strip (41) is fixedly provided with a handle (43), the handle (43) is in an L-shaped structure, and is arranged in the clamping groove (24) on the side of the second outer shell (21) away from the first outer shell (11).

7. A connector housing according to claim 3, wherein: One end of the rubber inner ring (51) is provided with a rubber protruding part (52), the middle part of the rubber protruding part (52) has a greater diameter than the two side parts, one end of the rubber protruding part (52) is fixedly connected with the outer periphery of the pin (3), and a rubber cross-shaped opening (54) is arranged at the lower end of the rubber protruding part (52).

8. A connector housing according to claim 7, wherein: The outer periphery of the rubber protruding part (52) is further fixedly provided with a rubber outer ring (53), and one end of the rubber outer ring (53) is fixedly connected with the second outer shell (21).