CN114639989A

CN114639989A - Threading seal structure of connector

Info

Publication number: CN114639989A
Application number: CN202210385364.0A
Authority: CN
Inventors: 邱云凤; 王德峰; 张强
Original assignee: Sichuan Huafeng Technology Co Ltd
Current assignee: Sichuan Huafeng Technology Co Ltd
Priority date: 2022-04-13
Filing date: 2022-04-13
Publication date: 2022-06-17
Anticipated expiration: 2042-04-13
Also published as: CN114639989B

Abstract

The invention discloses a threading sealing structure of a connector, which comprises a wire sealing body, a sealing ring, an elastic sleeve clamp and a lining, wherein the wire sealing body is arranged in the sealing ring, the sealing ring enables the wire sealing body to be extruded and contracted in the circumferential direction, the elastic sleeve clamp is sleeved outside the sealing ring, the elastic sleeve clamp enables the sealing ring to be extruded and contracted in the circumferential direction, the lining is sleeved outside the elastic sleeve clamp, and the lining enables the elastic sleeve clamp to be extruded and contracted in the circumferential direction. The invention has the beneficial effects that: the cable cabin penetrating device has the characteristics of simple operation, convenient maintenance, good sealing property and the like, leads with two ends connected with connectors and the like penetrate through the wire sealing body to realize fixation and sealing, and the problems of cabin penetrating and sealing without breaking the leads are solved.

Description

Threading seal structure of connector

Technical Field

The invention relates to a connector, in particular to a threading sealing structure of the connector.

Background

The sealing of the wire and the rubber insulator is realized by the interference of the wire and the rubber insulator after the cable passes through the insulator. When the wires which are processed and connected at the two ends of the cabin body need to be maintained, the wires need to be cut off, and the mode can not realize quick installation and maintenance and also increases the cost.

Due to the requirements of improving maintenance efficiency and reducing cost, a wire is needed to be free of interruption and capable of solving the problems of cabin penetration and sealing.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a threading sealing structure of a connector.

The purpose of the invention is realized by the following technical scheme: a threading sealing structure of a connector comprises a wire sealing body, a sealing ring, an elastic sleeve clamp and a bushing, wherein the wire sealing body comprises a base body, a plurality of threading holes are formed in the base body, an annular convex block a is arranged at one end of the base body, an open slot corresponding to the threading holes is formed in the annular convex block a, a through slot corresponding to the threading holes is further formed in the base body, and the open slot is communicated with the corresponding threading holes through the through slot;

the sealing ring comprises a cylinder body, the inner cavity of the cylinder body is a step through hole a, a wire sealing body is installed in the step through hole a in a matching mode, a base body is matched with a small hole of the step through hole a, an annular lug a is matched with a large hole of the step through hole a, a cutting seam is axially formed in the wall of the cylinder body, an annular lug b is formed at one end of the cylinder body, an annular step groove is formed in the side wall of the annular lug b of the large hole far away from the step through hole a, and a limiting step a is formed by steps of the annular step groove;

the elastic sleeve clamp comprises a sleeve ring, one end of the sleeve ring is a limiting ring, the other end of the sleeve ring is a contraction ring, the contraction ring is of a conical structure, the diameter of one end, close to the limiting ring, of the contraction ring is larger than that of the end, far away from the limiting ring, of the contraction ring, a limiting step b is arranged in an inner cavity of the limiting ring, the limiting ring is matched with the annular step groove, the limiting step a is abutted against the limiting step b, a plurality of splitting grooves are formed in the contraction ring in the axial direction, and elastic teeth are formed between every two adjacent splitting grooves;

the inner cavity of the bush is a step through hole b, a large hole of the step through hole b is a conical hole, the contraction ring is extruded in the conical hole, the step of the step through hole b is a limiting step c, and the end face, far away from the annular bump a, of the base body is abutted to the limiting step c.

Optionally, the plurality of splitting grooves are uniformly distributed on the same circumference, and the slotting direction of the splitting grooves is not beyond the circle center.

Optionally, the elastic sleeve clamp is composed of two half sleeve rings, at least one convex portion a is arranged on one end face of each half sleeve ring in the circumferential direction, at least one concave portion a is arranged on the other end face of each half sleeve ring in the circumferential direction, and after the two half sleeve rings are combined, the convex portions a are matched with the corresponding concave portions a.

Alternatively, there are two convex portions a and two concave portions a.

Optionally, the bushing is composed of a plurality of half bushings, at least one convex portion b is arranged on one end face of each half bushing in the circumferential direction, at least one concave portion b is arranged on the other end face of each half bushing in the circumferential direction, and the convex portions b are matched with the corresponding concave portions b after the two half bushings are combined.

Alternatively, there are two convex portions b and two concave portions b.

Optionally, the threading holes are evenly distributed on the same circumference.

Optionally, the open slot is a V-shaped slot.

Optionally, the through grooves are uniformly distributed on the same circumference, and the through grooves are arranged along the radial direction of the base body.

Optionally, a labyrinth step is arranged on the inner wall of the threading hole.

The invention has the following advantages: the threading sealing structure has the characteristics of simple cable cabin penetrating operation, convenient maintenance, sealing performance and the like, and leads with two ends connected with connectors and the like penetrate through the wire sealing body to realize fixation and sealing, so that the problems of cabin penetrating and sealing without breaking the leads are solved.

Drawings

FIG. 1 is a schematic structural view of a wire seal structure of a connector;

FIG. 2 is a first schematic structural view of a wire sealing body;

FIG. 3 is a second schematic structural view of the wire sealing body;

FIG. 4 is an enlarged schematic view of FIG. 3 at B;

FIG. 5 is a schematic structural view of a seal ring;

FIG. 6 is a schematic structural view of a half collar;

FIG. 7 is a schematic view showing the distribution of the cleavage grooves on the half collar;

FIG. 8 is an assembly view of the wire sealing body, the sealing ring and the half lantern ring;

FIG. 9 is a schematic cross-sectional view A-A of FIG. 8;

FIG. 10 is a schematic view of the construction of the half-liner;

in the figure, 1-wire sealing body, 2-sealing ring, 3-elastic sleeve clamp, 4-lining sleeve, 11-threading hole, 12-open slot, 13-through slot, 14-labyrinth step, 15-annular lug a, 16-base body, 21-cylinder body, 22-annular lug b, 23-annular step slot, 24-limit step a, 25-cutting slot, 26-step through hole, 31-limit ring, 32-limit step b, 33-convex part a, 34-concave part a, 35-elastic tooth, 36-splitting slot, 37-half-collar, 38-collar, 41-tapered hole, 42-limit step c, 43-convex part b, 44-concave part b and 45-half lining sleeve.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that the products of the present invention conventionally lay out when in use, or orientations or positional relationships that are conventionally understood by those skilled in the art, which are merely for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, a threading sealing structure of a connector comprises a wire sealing body 1, a sealing ring 2, an elastic collet 3 and a bushing 4, as shown in fig. 2, 3 and 4, the wire sealing body 1 comprises a base 16, in this embodiment, the base 16 is made of a rubber insulator material, the base 16 is a cylindrical structure, a plurality of threading holes 11 are formed on the base 16, one end of the base 16 is provided with an annular bump a15, an open slot 12 corresponding to the threading hole 11 is formed on the annular bump a15, preferably, a V-shaped slot of the open slot 12 is formed, so that a lead can be conveniently clamped into the open slot 12, the base 16 is further provided with a through slot 13 corresponding to the threading hole 11, the open slot 12 is communicated with the corresponding threading hole 11 through the through slot 13, so that during threading, the lead is placed into the open slot 12, then a force applied to the threading hole 11 is applied to the lead, so that the lead enters the threading hole 11 through the through slot 13, because the existence of logical groove 13, the wire enters into through wires hole 11's in-process, receive the extrusion back when leading to groove 13, base member 16 then can produce deformation on the circumference, thereby provide the deformation space in crossing logical groove 13 and entering into through wires hole 11 for the wire, in this embodiment, through wires hole 11 evenly distributed is on same circumference, and lead to groove 13 evenly distributed on same circumference, and lead to the radial setting of groove 13 along base member 16, and is further, in order to promote the sealing performance of wire in the body of sealing up 1, be provided with labyrinth step 14 on the inner wall of through wires hole 11.

In this embodiment, as shown in fig. 5, the sealing ring 2 includes a barrel 21, an inner cavity of the barrel 21 is a step through hole 26a, the wire sealing body 1 is fittingly installed in the step through hole 26a, the base 16 is fittingly engaged with a small hole of the step through hole 26a, the annular protrusion a15 is fittingly engaged with a large hole of the step through hole 26a, a slit 25 is axially disposed on a wall of the barrel 21, and due to the slit 25, when the barrel 21 is deformed in a circumferential direction, the barrel 21 compresses the wire sealing body 1, and when the barrel 21 is contracted, the wire sealing body 1 is also deformed in the circumferential direction, so that the threading hole 11 is contracted, thereby fixing the wire,

in this embodiment, as shown in fig. 8 and 9, one end of the cylinder 21 is provided with an annular projection b22, the side wall of an annular projection b22 of a large hole far away from the stepped through hole 26a is provided with an annular stepped groove 23, the step of the annular stepped groove 23 forms a limiting step a24, further, the elastic collet 3 comprises a collar 38, one end of the collar 38 is a limiting ring 31, the other end of the collar 38 is a contraction ring, the contraction ring is of a conical structure, the diameter of one end of the contraction ring close to the limiting ring 31 is larger than that of one end far away from the limiting ring 31, the inner cavity of the limiting ring 31 is provided with a limiting step b32, the limiting ring 31 is matched with the annular stepped groove 23, the limiting step a24 abuts against the limiting step b32, the contraction ring is provided with a plurality of split grooves 36 along the axial direction, an elastic tooth 35 is formed between two adjacent split grooves 36, the inner cavity of the bushing 4 is a stepped through hole 26b, the large hole of the stepped through hole 26b is a conical hole 41, the shrink ring is extruded in bell mouth 41, the step of step through-hole 26b is spacing step c42, keep away from annular lug a 15's terminal surface and spacing step c42 butt on the base member 16, when the threading seal structure of this connector is installed in the connector, axial thrust can be received to bush 4, thereby make bush 4 shrink the ring removal relatively, and bush 4 is at shrink ring's removal in-process relatively, bush 4's bell mouth 41 then can become the extrusion to shrink ring, thereby make shrink ring shrink, and after shrink ring shrink, then can drive sealing washer 2 shrink, and then drive the shrink of sealing wire body 1, finally realize the solidus of wire.

In this embodiment, as shown in fig. 7, the plurality of split grooves 36 are uniformly distributed on the same circumference, and the grooving direction of the split grooves 36 is not the center of a circle, so that the shrink ring has a thrust force on the sealing ring 2 in the circumferential direction during the shrinking process, so that the sealing ring 2 is more easily shrunk and deformed in the circumferential direction, and further the wire sealing body 1 is more easily shrunk in the circumferential direction, and thus the guiding wire fixing is more convenient.

In this embodiment, as shown in fig. 6, the elastic jacket clamp is composed of two half-rings 37, at least one convex portion a33 is disposed on one end surface of the half-ring 37 along the circumferential direction, at least one concave portion a34 is disposed on the other end surface of the half-ring 37 along the circumferential direction, after the two half-rings 37 are combined, the convex portion a33 is matched with the corresponding concave portion a34, the convex portion a33 is two, and the concave portion a34 is also two, so that the elastic jacket clamp 3 is easier to assemble and disassemble, preferably, the convex portion a33 is a convex column, and the concave portion a34 is a concave hole.

In this embodiment, as shown in fig. 10, the bushing 4 is composed of a half bushing 45, at least one convex portion b43 is provided on one end surface of the half bushing 45 along the circumferential direction, at least one concave portion b44 is provided on the other end surface of the half bushing 45 along the circumferential direction, after the two half bushings 45 are combined, the convex portion b43 is matched with the corresponding concave portion b44, further, there are two convex portions b43 and two concave portions b44, so that the bushing 4 is easier to assemble and disassemble, preferably, the convex portion b43 is a convex column, and the concave portion b44 is a concave hole.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a threading seal structure of connector which characterized in that: the thread sealing device comprises a thread sealing body, a sealing ring, an elastic sleeve clamp and a lining, wherein the thread sealing body comprises a base body, a plurality of threading holes are formed in the base body, an annular convex block a is arranged at one end of the base body, an open slot corresponding to the threading holes is formed in the annular convex block a, a through slot corresponding to the threading holes is further formed in the base body, and the open slot is communicated with the corresponding threading holes through the through slot;

the sealing ring comprises a cylinder body, the inner cavity of the cylinder body is a step through hole a, the wire sealing body is installed in the step through hole a in a matching mode, the base body is matched with a small hole of the step through hole a, the annular lug a is matched with a large hole of the step through hole a, a cutting seam is axially formed in the wall of the cylinder body, an annular lug b is formed at one end of the cylinder body, an annular step groove is formed in the side wall of the annular lug b, away from the large hole of the step through hole a, and a limiting step a is formed by steps of the annular step groove;

the inner cavity of the bushing is a step through hole b, a large hole of the step through hole b is a conical hole, the contraction ring is extruded in the conical hole, the step of the step through hole b is a limiting step c, and the end face, far away from the annular bump a, of the base body is abutted to the limiting step c.

2. The wire sealing structure of a connector according to claim 1, wherein: the plurality of the splitting grooves are uniformly distributed on the same circumference, and the slotting direction of the splitting grooves is not beyond the circle center.

3. The wire sealing structure of a connector according to claim 2, wherein: the elastic sleeve clamp is composed of two half sleeve rings, at least one convex part a is arranged on one end face of each half sleeve ring along the circumferential direction, at least one concave part a is arranged on the other end face of each half sleeve ring along the circumferential direction, and after the two half sleeve rings are combined, the convex parts a are matched with the corresponding concave parts a.

4. A thread sealing structure for a connector according to claim 3, wherein: the number of the convex portions a is two, and the number of the concave portions a is also two.

5. The thread sealing structure of a connector according to any one of claims 2 to 4, wherein: the bushing is composed of a plurality of half bushings, at least one convex part b is arranged on one end face of each half bushing along the circumferential direction, at least one concave part b is arranged on the other end face of each half bushing along the circumferential direction, and after the two half bushings are combined, the convex parts b are matched with the corresponding concave parts b.

6. The wire sealing structure of a connector according to claim 5, wherein: the number of the convex portions b is two, and the number of the concave portions b is also two.

7. The wire sealing structure of a connector according to claim 1, wherein: the threading holes are uniformly distributed on the same circumference.

8. The wire sealing structure of a connector according to claim 7, wherein: the open slot is a V-shaped slot.

9. The wire sealing structure of a connector according to claim 8, wherein: the through grooves are uniformly distributed on the same circumference, and the through grooves are arranged along the radial direction of the base body.

10. The wire sealing structure of a connector according to claim 9, wherein: and a labyrinth step is arranged on the inner wall of the threading hole.