阅读说明：本技术 防水接头 (Waterproof joint ) 是由 张卫锋 于 2020-04-30 设计创作，主要内容包括：本发明公开了一种防水接头,其应用于线缆,所述防水接头包括密封组件、锁紧件和外壳,所述锁紧件连接于所述外壳并形成有容置腔,所述密封组件压设于所述容置腔内,且所述密封组件套设于所述线缆并用于卡紧所述线缆,所述外壳朝向所述密封组件的一侧具有锁紧部,所述密封组件的一侧具有匹配部,所述匹配部连接于所述锁紧部,以限制所述密封组件的移动。通过密封组件卡紧固定线缆的位置,保护线缆的位置不会移动。同时,外壳与密封组件之间通过锁紧部与匹配部相连接,使得防水接头在受到外力的作用不会产生移动,大大提高了防水接头的安全稳定性。(The invention discloses a waterproof connector which is applied to a cable and comprises a sealing component, a locking component and a shell, wherein the locking component is connected to the shell and forms an accommodating cavity, the sealing component is arranged in the accommodating cavity in a pressing mode, the sealing component is sleeved on the cable and used for clamping the cable, one side, facing the sealing component, of the shell is provided with a locking part, one side of the sealing component is provided with a matching part, and the matching part is connected to the locking part so as to limit the movement of the sealing component. The position of the cable is clamped and fixed through the sealing component, and the position of the cable is protected from moving. Meanwhile, the shell and the sealing assembly are connected through the locking part and the matching part, so that the waterproof connector cannot move under the action of external force, and the safety and stability of the waterproof connector are greatly improved.)

1. The utility model provides a waterproof connector, its is applied to the cable, its characterized in that, waterproof connector includes seal assembly, retaining member and shell, the retaining member connect in the shell is formed with the holding chamber, seal assembly presses and locates the holding intracavity, just the seal assembly cover is located the cable is used for the chucking the cable, the shell orientation one side of seal assembly has locking portion, one side of seal assembly has matching portion, matching portion connect in locking portion, in order to restrict seal assembly's removal.

2. The watertight connector of claim 1, wherein the locking member is connected to the housing and is movable in an axial direction of the watertight connector to effect connection of the mating portion to the locking portion or disconnection of the mating portion from the locking portion.

3. The watertight connector of claim 2, wherein the mating portion is connected to the locking portion to restrict the seal assembly from rotating in a circumferential direction thereof.

4. The watertight connector of claim 3, wherein the locking portion has a plurality of protrusion structures, and the mating portion has a plurality of grooves recessed inward in an axial direction of the watertight connector, and the protrusion structures are inserted into the grooves;

and/or the matching part is provided with a plurality of protruding structures, the locking part is provided with a plurality of grooves which are inwards sunken along the axial direction of the waterproof joint, and the protruding structures are inserted into the grooves.

5. The watertight connector of claim 4, wherein the protrusion and the groove are each shaped as a ratchet.

6. The waterproof connector according to claim 1, wherein the sealing assembly includes a sealing member and a clamping member, the clamping member is sleeved on the cable, the clamping member is located in the sealing member, an outer circumferential surface of the sealing member abuts against an inner wall surface of the accommodating cavity, and the clamping member is connected to the housing and can change a space size of the accommodating cavity and an inner diameter size of the sealing member so as to enable the clamping member to be loosened or pressed against an outer surface of the cable.

7. The watertight connector of claim 6, wherein the sealing member has at least one slit thereon, and the locking member is coupled to the housing and is movable in an axial direction of the watertight connector to change a size of the slit.

8. The watertight connector of claim 7, wherein the mating portion is located at one end of the sealing member, the other end of the sealing member has a plurality of clamping portions extending outward in an axial direction of the watertight connector, the gap is provided between any adjacent two of the clamping portions, and the clamping member is located in the plurality of the clamping portions.

9. The watertight connector according to claim 8, wherein an end of the clamping portion remote from the mating portion has a first stopper portion protruding inward, an inner wall surface of the sealing member has a second stopper portion protruding inward, and both ends of the clamping member abut against the first stopper portion and the second stopper portion, respectively.

10. The watertight connector of any one of claims 1-9, wherein the watertight connector further comprises a shielding ring, the shielding ring being located within the receiving cavity.

Technical Field

The invention relates to the electrical industry of electricians, in particular to a waterproof connector applied to a cable.

Background

In the electrical and electrical industry, cables have been widely used. Cable joint mainly used fixes and is used for being connected the cable to the cable, because cable joint after fixed connection, traditional cable and cable joint can produce under the effect that receives the external force and remove or rotate, connect insecure, and safety and stability is poor.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides a waterproof joint.

The invention is realized by the following technical scheme:

the utility model provides a waterproof connector, its is applied to the cable, waterproof connector includes seal assembly, retaining member and shell, the retaining member connect in the shell is formed with the holding chamber, seal assembly presses and locates the holding intracavity, just the seal assembly cover is located the cable is used for the chucking the cable, the shell orientation one side of seal assembly has locking portion, one side of seal assembly has matching portion, matching portion connect in locking portion, in order to restrict seal assembly's removal.

Further, the locking member is connected to the housing and is movable in an axial direction of the watertight connector to enable the mating portion to be connected to the locking portion or the mating portion and the locking portion to be disconnected from each other.

Further, the mating portion is connected to the locking portion to restrict the seal assembly from rotating in a circumferential direction thereof.

Further, the locking part is provided with a plurality of protruding structures, the matching part is provided with a plurality of grooves which are inwards sunken along the axial direction of the waterproof joint, and the protruding structures are inserted into the grooves;

and/or the matching part is provided with a plurality of protruding structures, the locking part is provided with a plurality of grooves which are inwards sunken along the axial direction of the waterproof joint, and the protruding structures are inserted into the grooves.

Further, the shapes of the convex structures and the grooves are both in a shape of a ratchet.

Further, seal assembly includes sealing member and chucking spare, the chucking spare cover is located the cable, the chucking spare is located in the sealing member, the outer peripheral face of sealing member support lean on in the internal face in holding chamber, the retaining member connect in the shell and can change the space size in holding chamber the internal diameter size of sealing member to the realization the chucking spare can be loosened or compress tightly and lean on in the surface of cable.

Further, the sealing member has at least one slit thereon, and the locking member is attached to the housing and is movable in an axial direction of the watertight connector to change a size of the slit.

Further, the matching part is located at one end of the sealing part, the other end of the sealing part is provided with a plurality of clamping parts extending outwards along the axial direction of the waterproof joint, the gap is formed between any two adjacent clamping parts, and the clamping part is located in the plurality of clamping parts.

Furthermore, one end, far away from the matching part, of the clamping part is provided with a first limiting part protruding inwards, the inner wall surface of the sealing element is provided with a second limiting part protruding inwards, and two ends of the clamping piece abut against the first limiting part and the second limiting part respectively.

Further, the waterproof connector further comprises a shielding ring, and the shielding ring is located in the accommodating cavity.

The invention has the beneficial effects that: the position of the cable is clamped and fixed through the sealing component, and the position of the cable is protected from moving. Meanwhile, the shell and the sealing assembly are connected through the locking part and the matching part, so that the waterproof connector cannot move under the action of external force, and the safety and stability of the waterproof connector are greatly improved.

Drawings

Fig. 1 is an exploded view of a waterproof joint according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a housing and a sealing member according to an embodiment of the present invention.

Fig. 3 is a schematic view of the structure of the retainer according to the embodiment of the present invention.

Description of reference numerals:

outer casing 1

Locking part 11

External threaded portion 12

Locking piece 2

Female screw portion 21

Non-slip part 22

Sealing assembly 3

Matching section 31

Seal 32

Gap 321

Clamping portion 322

First position-limiting part 323

The second position-limiting portion 324

Clamping piece 33

Convex ring part 331

Shielding ring 4

Detailed Description

The following description of the embodiments refers to the accompanying drawings, which are included to illustrate specific embodiments in which the invention may be practiced.

As shown in fig. 1, 2 and 3, the present embodiment discloses a waterproof joint applied to a cable. Waterproof joint includes seal assembly 3, retaining member 2 and shell 1, and retaining member 2 connects in shell 1 and is formed with the holding chamber, and the holding intracavity is located to seal assembly 3 pressure, and seal assembly 3 cover is located the cable and is used for the chucking cable, and shell 1 has locking portion 11 towards one side of seal assembly 3, and one side of seal assembly 3 has matching portion 31, and matching portion 31 connects in locking portion 11 to restriction seal assembly 3's removal.

By arranging the sealing assembly 3 in the accommodation chamber, the cable will pass through the locking member 2, the sealing assembly 3 and the housing 1. Retaining member 2 and shell 1 are when being connected, and seal assembly 3 will compress tightly in the holding intracavity for seal assembly 3 covers are located the cable and are used for the chucking cable, and through the position of 3 fastening fixation cables of seal assembly, the position of protection cable can not remove. Simultaneously, retaining member 2 and shell 1 are when being connected, are connected with matching portion 31 through locking portion 11 between shell 1 and the seal assembly 3 for waterproof connector can not produce the removal receiving the effect of external force, has improved waterproof connector's safety and stability greatly.

The locking member 2 is attached to the housing 1 and can be moved in the axial direction of the watertight connector to achieve the coupling of the mating portion 31 to the locking portion 11 or the mutual disconnection of the mating portion 31 and the locking portion 11.

Retaining member 2 removes to the direction that is close to shell 1 along water joint's axial direction for interconnect between shell 1 and the retaining member 2 makes matching portion 31 connect in locking portion 11, thereby realizes that water joint can not produce the removal receiving the effect of external force, has improved water joint's safety and stability greatly. The locking piece 2 moves towards the direction far away from the shell 1 along the axial direction of the waterproof connector, so that the shell 1 and the locking piece 2 are separated from each other, the matching part 31 and the locking part 11 are disconnected from each other, and the waterproof connector is disassembled.

In the present embodiment, the mating portion 31 is connected to the locking portion 11 to restrict the seal assembly 3 from rotating in the circumferential direction thereof. By the locking portion 11 and the mating portion 31 being interconnected, it is ensured that the components of the watertight connector do not rotate during use, thereby protecting the cables from shifting or rotating.

The shell 1 is in threaded connection with the locking piece 2. So that the installation and the disassembly between the shell 1 and the locking piece 2 are very convenient. Wherein, the outer surface of the housing 1 has an external thread part 12, the locking member 2 has an internal thread part 21 therein, and the external thread part 12 is screwed with the internal thread part 21. The mounting and dismounting of the housing 1 and the locking member 2 can be achieved by rotating the locking member 2 or the housing 1.

The outer surface of the locking member 2 is provided with a non-slip portion 22, and the non-slip portion 22 facilitates the acting force on the locking member 2, and the locking member 2 can be rotated and screwed conveniently. Of course, the outer surface of the housing 1 may have a slip-preventing structure, and the specific structure of the slip-preventing structure and the slip-preventing portion 22 may not be limited.

The locking portion 11 has a plurality of protruding structures, and the matching portion 31 has a plurality of grooves recessed inward in the axial direction of the waterproof connector, into which the protruding structures are inserted. Retaining member 2 and shell 1 are when screwing up, and retaining member 2 and shell 1 will compress tightly seal assembly 3 for protruding structure inserts in the recess, thereby realizes being connected of seal assembly 3 and shell 1, thereby ensures that water joint can not rotate in the use, thereby the protection cable can not rotate. Of course, conversely, the mating portion 31 may have a plurality of projecting structures, and the locking portion 11 has a plurality of grooves recessed inward in the axial direction of the watertight connector, into which the projecting structures are inserted.

In the present embodiment, the shapes of the protruding structures and the grooves are both in the shape of a ratchet. Simple structure and convenient processing and manufacturing. When the waterproof connector is used, the sealing assembly 3 is inserted into the shell 1, the latch on the sealing assembly 3 is meshed with the latch on the shell 1, and then the locking member 2 is screwed with the shell 1, so that the sealing assembly 3 is tightly pressed and fixed in the accommodating cavity, and the cable is protected from moving and rotating. Of course, in other embodiments, the shape of the raised structures and recesses are not limiting.

The sealing assembly 3 comprises a sealing element 32 and a clamping element 33, the cable is sleeved with the clamping element 33, the clamping element 33 is located in the sealing element 32, the outer peripheral surface of the sealing element 32 abuts against the inner wall surface of the accommodating cavity, and the locking element 2 is connected to the shell 1 and can change the size of the space of the accommodating cavity and the size of the inner diameter of the sealing element 32, so that the clamping element 33 can be loosened or pressed against the outer surface of the cable.

Retaining member 2 and shell 1 are when screwing up, seal assembly 3 sets up in the holding intracavity, the space in holding chamber will diminish, the internal face in holding chamber will closely support to lean on the outer peripheral face of sealing member 32 and can apply inward effort to sealing member 32, make the internal diameter of sealing member 32 diminish, thereby transmit to chucking piece 33 on and be used for compressing tightly the surface of cable, effectively strengthened the joint strength between water joint and the cable, further protected the cable can not remove and rotate. Retaining member 2 and shell 1 are when unscrewing, and the space in holding chamber will grow, and the internal wall face in holding chamber will loosen on the outer peripheral face of sealing member 32 for the internal diameter grow of sealing member 32, thereby chucking piece 33 will loosen the surface of cable, thereby can adjust the installation setting position of cable.

The sealing member 32 has at least one slit 321 therein, and the locking member 2 is coupled to the housing 1 and can move in the axial direction of the watertight connector to change the size of the slit 321. The size of the space of the containing cavity is changed by screwing the locking piece 2 and the shell 1, so that the size of the gap 321 on the sealing piece 32 is changed. Simple structure and convenient processing and manufacturing.

The matching part 31 is located at one end of the sealing element 32, the other end of the sealing element 32 is provided with a plurality of clamping parts 322 extending outwards along the axial direction of the waterproof joint, a gap 321 is arranged between any two adjacent clamping parts 322, and the clamping part 33 is located in the plurality of clamping parts 322. One end of the sealing member 32 is engaged with the housing 1 through the matching portion 31, and the other end of the sealing member 32 abuts against the inner wall surface of the locking member 2 through the plurality of clamping portions 322, and the distance between two adjacent clamping portions 322 is changed by screwing the locking member 2, that is, the size of the gap 321 is changed.

One end of the clamping part 322, which is far away from the matching part 31, is provided with a first limiting part 323 which protrudes inwards, the inner wall surface of the sealing element 32 is provided with a second limiting part 324 which protrudes inwards, and two ends of the clamping piece 33 abut against the first limiting part 323 and the second limiting part 324 respectively. The first limiting part 323 and the second limiting part 324 have a limiting effect, when the clamping piece 33 is placed in the sealing element 32, two ends of the clamping piece 33 abut against the first limiting part 323 and the second limiting part 324 respectively to limit the clamping piece 33 from generating offset and dislocation, so that the clamping piece 33 is accurately positioned, and the inner wall surface of the clamping piece 33 is guaranteed to tightly clamp a cable.

In this embodiment, the material of the retainer 33 is rubber. Produce deformation easily and can compress tightly the surface that blocks the cable, realize that water joint can not produce on the cable and remove. Wherein, the internal face of chucking spare 33 can have at least one inside bellied bulge loop portion 331, can laminate through bulge loop portion 331 and lean on in the surface of cable, realizes blocking more stably.

The waterproof connector further comprises a shielding ring 4, and the shielding ring 4 is located in the accommodating cavity. In practical application, two problems generally occur in the waterproof connector in the prior art, one is that in the assembly process, when the shield needs to be connected, the waterproof connector in the prior art cannot be well installed, and the problems of difficult locking, shield locking and the like exist; and secondly, the quality problem is that the shielding material easily falls off in use, so that the shielding contact is poor and the like. In order to solve the problem of cable shield connection, the shield ring 4 of the present embodiment is now improved by studying the structure of the waterproof connector and the assembly process technology. The shielding ring 4 is inserted opposite to the sealing member 32, and the shielding net is locked between the shielding ring 4 and the sealing member 32. When the waterproof connector is used, the shielding ring 4 is firstly placed into the shell 1, then the sealing component 3 and the shielding ring 4 are oppositely inserted, the shielding net is locked through the shielding ring 4 and the sealing element 32, the matching part 31 is meshed with the locking part 11 and is connected with the locking part, the fixation of the cable is effectively strengthened, and the cable is further ensured not to move or rotate. The optimized assembly process is realized by adding the shielding ring 4, the problem of wire harness shielding assembly can be well solved, the design index requirements are met, and the cable product quality is ensured.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the invention is not limited by the scope of the appended claims.