Waterproof assembly for connector

Abstract

The utility model discloses a waterproof assembly for a connector, and relates to the technical field of connectors, the waterproof assembly comprises a first housing and a second housing, the lower surface of the first housing is provided with a projection, the lower surface of the second housing is provided with a groove, the projection is matched with the groove, and the upper surface of the first housing is provided with a sealing assembly; the sealing assembly comprises a first spring, a pushing block, a limiting block, a hard sealing gasket and a soft sealing gasket, and has the advantages that the soft sealing gasket is gradually abraded when the service time is prolonged, at the moment, the first spring can continuously exert pushing force, the pushing block is promoted to stably move in the containing hole, and the sealing effect is good. Meanwhile, sealing assemblies which are symmetrical to the upper face of the first shell are also arranged in the groove, when the first shell and the second shell are matched with each other, the upper sealing assembly and the lower sealing assembly play a role at the same time, and double waterproof guarantees are formed.

Description

TECHNICAL FIELD

[0001] The utility model relates to connector technical field, concretely is a waterproof assembly for connector. BACKGROUND

[0002] In the field of modern industry and electronic equipment, the connector as the key component of realizing electrical connection is widely used in various devices and systems, for example, in the scene of outdoor electrical equipment, underwater equipment, ship equipment, automobile electronic system, the connector not only needs to ensure reliable electrical connection performance, but also needs to have good waterproof performance.

[0003] The applicant finds that the Chinese patent discloses "a waterproof connector for outdoor" through the retrieval, and its publication number is "CN 212626285 U", the patent mainly through the threaded sealing connection of first shell and second shell, the metal core passes through the metal cover and compresses the second sealing body at the inner wall of the second shell port, according to the action and reaction of force, the first sealing body is also compressed at the inner wall of the first shell port, and the waterproof performance of the first shell and the second shell is enhanced as a whole, but the sealing element of the device will gradually wear due to friction and other reasons after long-term use, and then loses the ability of sealing waterproof, so that water can easily enter the inside of the connector, for this purpose, the utility model provides a waterproof assembly for connector. UTILITY MODEL CONTENTS

[0004] The utility model discloses a waterproof assembly for connector.

[0005] To achieve the above object, the utility model provides the following technical scheme: a waterproof assembly for connector, including first shell and second shell, the first shell lower surface is provided with lug, the second shell lower surface is opened in recess, the lug is adapted with recess, the first shell upper surface is provided with sealing assembly;

[0006] The sealing assembly includes a first spring, a push block, a limiting block, a hard sealing gasket and a soft sealing gasket, the first shell left side surface is evenly provided with multiple groups of placing holes, one end of the first spring is installed at the bottom surface of the placing hole, the push block is installed at the other end of the first spring, four groups of limiting grooves are evenly formed in the inner wall of the placing hole, the limiting block is provided with four groups, the limiting block is evenly installed on the outer side of the push block, the limiting block is located in the limiting groove, the hard sealing gasket is installed on one side of the push block, and the soft sealing gasket is installed on one side of the hard sealing gasket.

[0007] As a further scheme of the utility model: the recess is also provided with a sealing assembly, and the sealing assembly is in a symmetrical relationship with the sealing assembly on the upper surface of the first shell.

[0008] As a further scheme of the utility model: the first shell outside is provided with fastening assembly, the fastening assembly includes movable shell, pull rod, second spring, telescopic rod, sliding block, fixed ring, screw rod and adjusting screw, the screw rod is installed at the right side of the first shell, the movable shell is sleeved at the outside of the first shell, four groups of movable grooves are uniformly arranged at the left side of the movable shell, the movable groove is internally provided with rotating shaft, one end of the pull rod is installed on the rotating shaft, the fixed ring is installed at the outside of the second shell, the other end of the pull rod is installed in the fixed ring, the pull rod is provided with placing groove on one side, the second spring and telescopic rod are all installed in the placing groove, and the second spring is sleeved at the outside of the telescopic rod, the sliding block is installed at the other end of the second spring and telescopic rod, the sliding block contacts the outer wall of the first shell, the adjusting screw is installed at the right side of the movable shell, and the adjusting screw is in threaded connection with the screw rod.

[0009] As a further scheme of the utility model: the adjusting screw is provided with rotating groove on one side, and the movable shell is provided with rotating ring on the right side, and the rotating ring is located in the rotating groove.

[0010] As a further scheme of the utility model: the first shell inside is installed with cable, and the cable is installed with connecting piece in the middle.

[0011] As a further scheme of the utility model: the connecting piece is installed with fixed block on both sides, the fixed block is installed with gasket on the outside, and the gasket outside contacts the inside of the first shell.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1、the utility model discloses a sealing assembly, and the first spring, the push block, the limiting block, the hard sealing gasket and the soft sealing gasket are cooperated, when the use time increases, the soft sealing gasket will inevitably be gradually abraded due to friction, at this moment, the first spring can continuously exert the push, promotes the push block to move stably in the placing hole, makes the hard sealing gasket can replace the abraded soft sealing gasket, continues to play the waterproof sealing effect, and the recess is also provided with the sealing assembly that is symmetrical with the upper surface of the first shell, when the first shell cooperates with the second shell, the upper and lower two groups of sealing assemblies simultaneously play the role, forms double waterproof guarantee, ensures that the connector is stable, safe in operation under the humid environment, effectively prolongs the service life of the connector, reduces the maintenance cost and the risk of failure caused by water inflow;

[0014] 2、The utility model discloses a preliminary connection is fixed through the spring force of second spring when the first shell and the second shell complete preliminary clamping, and the tight combination of two shells can be realized by only screwing the adjusting screw, and the position of the movable shell is controlled easily through simple rotation action, and with the change of the position of the movable shell, the tension of the pull rod is changed accordingly, and then the connection tightness between the first shell and the second shell is adjusted accurately, the design is simple to operate, and the stability of connection can be ensured, simultaneously, the rotation groove on the adjusting screw and the rotary ring on the right side of the movable shell cooperate with each other, the movable shell can be moved stably under the driving of the adjusting screw, and the waterproof function of the connector can be stably exerted in various scenes.

[0015] Other advantages, objects, and features of the present utility model will be apparent to those skilled in the art from the following description of the utility model, and to a certain extent, will be apparent to those skilled in the art based on the study of the following, or can be taught from the practice of the present utility model. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall schematic diagram in the embodiment of the utility model;

[0017] Figure 2 It is the overall part cross section schematic diagram in the embodiment of the utility model;

[0018] Figure 3 It is Figure 2 The enlarged schematic diagram of A in the embodiment of the utility model;

[0019] Figure 4 It is Figure 2 The enlarged schematic diagram of B in the embodiment of the utility model.

[0020] In the drawing: 1, first shell; 2, second shell; 3, sealing assembly; 31, first spring; 32, push block; 33, limiting block; 34, hard sealing gasket; 35, soft sealing gasket; 36, placing hole; 4, fastening assembly; 41, movable shell; 42, pull rod; 43, second spring; 44, telescopic rod; 45, sliding block; 46, fixed ring; 47, screw rod; 48, adjusting screw; 49, rotary ring; 5, cable; 6, fixed block; 61, gasket. DETAILED DESCRIPTION

[0021] The specific embodiments of the utility model will be further described below in combination with the drawings, and it needs to be explained here that the description of these embodiments is used to help understanding the utility model, but does not constitute the limitation to the utility model.

[0022] In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0023] See attached Figure 1 - attached Figure 4 The utility model relates to a waterproof assembly for connector mainly constitutes by first shell 1 and second shell 2, the lug of first shell 1 below is adapted with the recess of second shell 2 below, can accurate positioning when connecting, preliminary blocks the moisture invasion, the upper surface of first shell 1 is provided with sealing assembly 3, and this assembly contains first spring 31, push block 32, limit block 33, hard sealing pad 34 and soft sealing pad 35, the left surface of first shell 1 is evenly distributed with multiple groups of placing hole 36, and one end of first spring 31 is firmly installed at the bottom surface of placing hole 36, and the other end is connected with push block 32, and four sets of limit slots of the inner wall of placing hole 36 cooperate with four sets of limit block 33 evenly installed on the outside of push block 32, guarantee that push block 32 can only move stably along a specific direction, in the initial stage, soft sealing pad 35 closely adheres to the contact surface by the flexibility, effectively fills the tiny gap, plays good waterproof effect, along with the growth of use time, soft sealing pad 35 gradually wears, first spring 31 continues to exert force at this time, pushes push block 32, makes hard sealing pad 34 replace in time, continues to block moisture, ensures that waterproof effect is durable and reliable, greatly prolongs the service life of connector, reduces maintenance cost.

[0024] In the recess, the sealing assembly 3 is also arranged, and the sealing assembly 3 is in a symmetrical relationship with the sealing assembly 3 on the upper surface of the first shell 1. The fastening assembly 4 is arranged on the outside of the first shell 1. The fastening assembly 4 includes a movable shell 41, a pull rod 42, a second spring 43, an extension rod 44, a sliding block 45, a fixed ring 46, a screw rod 47, and an adjusting screw 48. The screw rod 47 is installed on the right side of the first shell 1. The movable shell 41 is sleeved on the outside of the first shell 1. Four sets of movable grooves are evenly arranged on the left side of the movable shell 41. A rotating shaft is installed in the movable groove. One end of the pull rod 42 is installed on the rotating shaft. The fixed ring 46 is installed on the outside of the second shell 2. The other end of the pull rod 42 is installed in the fixed ring 46. A placing groove is arranged on one side of the pull rod 42. The second spring 43 and the extension rod 44 are installed in the placing groove. The second spring 43 is sleeved on the outside of the extension rod 44. The sliding block 45 is installed on the other end of the second spring 43 and the extension rod 44. The sliding block 45 contacts the outer wall of the first shell 1. The adjusting screw 48 is installed on the right side of the movable shell 41. The adjusting screw 48 is threadedly connected with the screw rod 47.

[0025] Specifically, the recess is also provided with a sealing assembly 3, and the sealing assembly 3 is in a symmetrical relationship with the sealing assembly 3 on the first shell 1. The symmetrical design adds double insurance to the connector. When the first shell 1 is connected with the second shell 2, the two sets of sealing assemblies 3 work together to block moisture from all directions, greatly enhancing the reliability of waterproofing. The fastening assembly 4 is composed of a movable shell 41, a pull rod 42, a second spring 43, an extension rod 44, a sliding block 45, a fixed ring 46, a screw rod 47, and an adjusting screw 48. The screw rod 47 is installed on the right side of the first shell 1, and the movable shell 41 is sleeved on the outside of the screw rod 47. The movable groove on the left side of the movable shell 41 is connected with the pull rod 42 through a rotating shaft. The other end of the pull rod 42 cooperates with the fixed ring 46 on the outside of the second shell 2. During installation, the second spring 43 and the extension rod 44 work in the placement groove of the pull rod 42. The extension rod 44 ensures the stability of the structure, and the second spring 43 provides an outward thrust for the sliding block 45, so that the sliding block 45 tightly contacts the outer wall of the first shell 1. Only by turning the adjusting screw 48 and using the threaded connection between the adjusting screw 48 and the screw rod 47, the position of the movable shell 41 can be easily adjusted, and the pulling force of the pull rod 42 can be changed, so that the first shell 1 and the second shell 2 are tightly connected. The operation is simple and stable, and the waterproof assembly can stably work in various environments.

[0026] In example two, one side of the adjusting screw 48 is provided with a rotating groove, and a rotating ring 49 is installed on the right side of the movable shell 41. The rotating ring 49 is located in the rotating groove. A cable 5 is installed in the inside of the first shell 1. A connecting piece is installed in the middle of the cable 5. Fixed blocks 6 are installed on both sides of the connecting piece. Spacers 61 are installed on the outside of the fixed blocks 6. The outside of the spacers 61 contacts the inside of the first shell 1.

[0027] Specifically, the rotating groove of the adjusting screw 48 cooperates with the rotating ring 49 of the movable shell 41, so that the adjusting screw 48 can be smoothly turned when it is turned, and the movable shell 41 can also be moved. The cable 5 in the inside of the first shell 1 is connected through the connecting piece. The fixed blocks 6 on both sides of the connecting piece and the spacers 61 on the outside can fix the first shell 1 and the second shell 2 outside. At the same time, the spacers 61 enhance the adhesion to the inside of the first shell 1, further improving the waterproofing and connection stability.

[0028] Working principle:

[0029] First, in the installation, the first shell 1 and the second shell 2 are preliminarily clamped, at this time the pull rod 42 is extruded outward under the elastic force of the second spring 43, and is smoothly clamped into the fixed ring 46 outside the second shell 2, the preliminary connection is completed, then the position of the movable shell 41 is controlled by screwing the adjusting screw 48, with the change of the position of the movable shell 41, the tension of the pull rod 42 also changes accordingly, thereby realizing the close combination of the first shell 1 and the second shell 2, ensuring stable connection, in daily use, the sealing assembly 3 plays a waterproof role, in the initial stage, the soft sealing pad 35 closely contacts the contact surface by virtue of its flexibility, effectively fills the tiny gap, and undertakes the main waterproof work, with the passage of time, the soft sealing pad 35 is gradually worn out due to friction, at this time the first spring 31 pushes the push block 32 to stably move in the placement hole 36, so that the hard sealing pad 34 timely replaces the worn soft sealing pad 35, continues to block the moisture, and cooperates with the sealing assembly 3 in the groove, forming double waterproof protection, at the same time, the fixed blocks 6 and the gaskets 61 on both sides of the middle connecting piece in the cable 5 inside the first shell 1 enhance the adhesion with the inside of the first shell 1, further improve the waterproof and connection stability, ensure the stable operation of the connector in the humid environment, realize the functions of waterproof, stable connection and the like, and the whole working process is completed.

[0030] The above front, rear, left, right, up and down are based on the Figure 1 of the drawings.

[0031] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the protection scope of the utility model.

[0032] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the described embodiments.

[0033] For those skilled in the art, various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and still fall within the protection scope of the utility model.

Claims

1. A waterproof assembly for a connector, comprising a first housing (1) and a second housing (2), wherein the first housing (1) has a protrusion on its underside, and the second housing (2) has a groove on its underside, the protrusion being adapted to the groove, characterized in that: A sealing assembly (3) is provided on the top of the first outer shell (1); The sealing assembly (3) includes a first spring (31), a push block (32), a limiting block (33), a hard sealing gasket (34), and a soft sealing gasket (35). Multiple sets of placement holes (36) are evenly opened on the left side surface of the first housing (1). One end of the first spring (31) is installed on the bottom surface of the placement hole (36), and the push block (32) is installed on the other end of the first spring (31). Four sets of limiting grooves are evenly opened on the inner wall of the placement hole (36). Four sets of limiting blocks (33) are provided. The limiting blocks (33) are evenly installed on the outside of the push block (32). The limiting blocks (33) are located in the limiting grooves. The hard sealing gasket (34) is installed on one side of the push block (32), and the soft sealing gasket (35) is installed on one side of the hard sealing gasket (34).

2. A waterproof assembly for a connector according to claim 1, characterized in that: The groove is also provided with a sealing component (3), and is symmetrical with the sealing component (3) on the first outer shell (1).

3. A waterproof assembly for a connector according to claim 1, characterized in that: A fastening assembly (4) is provided on the outside of the first outer shell (1). The fastening assembly (4) includes a movable shell (41), a pull rod (42), a second spring (43), a telescopic rod (44), a sliding block (45), a fixing ring (46), a screw (47), and an adjusting screw (48). The screw (47) is installed on the right side of the first outer shell (1). The movable shell (41) is sleeved on the outside of the first outer shell (1). Four sets of movable slots are evenly opened on the left side of the movable shell (41). A rotating shaft is installed inside the movable slot. One end of the pull rod (42) is installed on the rotating shaft. The fixing ring (46) is... The second spring (43) and the telescopic rod (44) are both installed in the placement groove, and the second spring (43) is sleeved on the outside of the telescopic rod (44). The sliding block (45) is installed at the other end of the second spring (43) and the telescopic rod (44). The sliding block (45) contacts the outer wall of the first housing (1). The adjusting screw (48) is installed on the right side of the movable housing (41), and the adjusting screw (48) is threadedly connected to the screw rod (47).

4. A waterproof assembly for a connector according to claim 3, characterized in that: The adjusting screw (48) has a rotating groove on one side, and a rotating ring (49) is installed on the right side of the movable shell (41), with the rotating ring (49) located in the rotating groove.

5. A waterproof assembly for a connector according to claim 1, characterized in that: A cable (5) is installed inside the first housing (1), and a connector is installed in the middle of the cable (5).

6. A waterproof assembly for a connector according to claim 5, characterized in that: Fixing blocks (6) are installed on both sides of the connector, and gaskets (61) are installed on the outer side of the fixing blocks (6), with the outer side of the gaskets (61) contacting the inner side of the first outer shell (1).

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