Conical quick splicing sleeve capable of preventing lead from retreating

Abstract

A shell is of a hollow structure with two conical ends, a fixing block is arranged in the center of the interior of the shell, elastic pieces are arranged on the two sides of the fixing block, conical wire clamps are arranged on the sides, away from the fixing block, of the elastic pieces, each conical wire clamp comprises two wire clamps which are symmetrically arranged, and the wire clamps are of a semi-conical structure. A wire channel is formed in each wire clamp, a plurality of inner grooves are formed in the inner wall of each wire channel, anti-retreating blocks are rotationally arranged in the inner grooves, and abutting heads are arranged at the ends, away from the inner grooves, of the anti-retreating blocks. When the wire is pulled outwards, the abutting joint is rubbed by the wire, rotates and abuts against the wire, the intensity of pressure of the inner wall of the wire channel on the surface of the wire is increased, and therefore the fixing effect on the wire is enhanced, and the anti-retreating capacity on the wire is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to quick coupling pipe technical field, concretely relates to a lead wire anti -retreating conical quick coupling pipe. BACKGROUND

[0002] The conical quick coupling pipe is a kind of electric power fitting for lead wire connection and broken line line maintenance repair, it adopts the design of quick connection, can significantly shorten the connection time, improve the repair efficiency, with the advantages of high connection strength, good conductivity, convenient installation etc., is widely applied to each link of electric power system, including transmission line, distribution network, mountainous operation etc., gradually be introduced into metallurgy, chemical industry, water supply and drainage and sewage treatment and other industries. Its main components include: coupling pipe body, intermediate fixed block, funnel type wiring door, tension spring, conical wire clamp, conical wire clamp is located between intermediate fixed block and funnel type wiring door, including upper clamping piece and lower clamping piece, upper clamping piece and lower clamping piece are movably connected at wide head end, and there is long slit in the middle after splicing, and the inner wall of outlet port forms a circle after splicing. Conical wire clamp is used for clamping tight lead wire, guarantees the stability of electrical connection.

[0003] The existing conical quick coupling pipe prevents the lead wire from retreating, and the effect is poor, so that the lead wire is easy to retreat or even fall off when being pulled by external force, and the connection stability is low.

[0004] Therefore, the applicant has made beneficial design, found the method to solve the above problems, and the technical scheme to be introduced below is generated under this background. SUMMARY

[0005] The utility model discloses a kind of conical quick coupling pipe of lead wire anti-retreating, to solve the problem raised in above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A kind of conical quick coupling pipe of lead wire anti-retreating, including shell, the shell is hollow type two-end conical structure, fixed block is equipped at the center of the shell interior, elastic piece is equipped on the both sides of the fixed block, conical wire clamp is equipped on the side of the elastic piece away from the fixed block, the wire clamp includes two symmetrically arranged wire clamps, the wire clamp is half-conical structure, wire channel is formed in the wire clamp, a plurality of inner grooves are formed in the inner wall of the wire channel, anti-retreating block is rotatably arranged in the inner groove, abutting head is arranged on the end of the anti-retreating block away from the inner groove, the abutting head is inclined to the direction of the fixed block.

[0008] Preferably, the surface of the abutting head is provided with anti-slip lines.

[0009] Preferably, the elastic piece is a conical spring.

[0010] Preferably, the housing is provided with a funnel-shaped wiring door at both ends. Advantages

[0011] The one or more technical solutions of the utility model discloses a kind of wire anti-retreating's conical quick coupling pipe at least have one of following technical effects:

[0012] The utility model can pass through the above technical solutions, after being inserted into the wire channel, when the abutting head contacts with the surface of wire, when pulling wire outward, the abutting head is rubbed by wire, rotates and abuts wire, increase the pressure of wire channel inner wall to the surface of wire, to strengthen the fixed effect of wire, effectively improve the anti-retreating ability of wire, guarantee the connection stability of wire. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the sectional structure schematic diagram of the utility model;

[0014] Figure 2 It is Figure 1 the enlarged structure schematic diagram of A.

[0015] The correspondence between the annotations of each figure in the drawing and the component names is as follows:

[0016] 1, shell;2, fixed block;3, elastic piece;4, conical wire clamp;5, wire clamp;6, wire channel;7, inner groove;8, anti-retreating block;9, abutting head;10, anti-skid line;11, funnel-shaped wiring door. DETAILED DESCRIPTION

[0017] The technical solutions of the utility model will be described clearly and completely below in conjunction with embodiments. Obviously, the described embodiments are part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0018] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms such as "upper", "lower", "left", "right" in the terms is the orientation or position relationship shown in the drawing, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, so it cannot be understood as a limitation on the utility model.

[0019] In the description of the utility model, still need explaining, unless another explicit provision and limitation, term "arrange", "install", "link", "connect" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be direct connection, also can indirectly connect through intermediate medium, can be two element internal communication, for ordinary skilled in the art, can understand the specific meaning of the above terms in the utility model with specific circumstances.

[0020] As Figures 1-2 The utility model discloses a kind of taper quick coupling pipe of wire anti-retreating, which is a structure schematic view of a preferred embodiment of the utility model;

[0021] In the embodiment, the shell 1 is a hollow two-end tapered structure, a fixed block 2 is provided at the center of the inside of the shell 1, an elastic member 3 is provided on both sides of the fixed block 2, a tapered wire clamp 4 is provided on the side away from the fixed block 2 of the elastic member 3, the tapered wire clamp 4 comprises two symmetrically arranged wire clamps 5, each wire clamp 5 is a half-tapered structure, a wire channel 6 is formed in each wire clamp 5, the wire channel 6 is a semicircular arc structure, a plurality of inner grooves 7 are formed in the inner wall of the wire channel 6, an anti-retreating block 8 is rotatably arranged in each inner groove 7, an abutting head 9 is provided at the end of the anti-retreating block 8 away from the inner groove 7, and the abutting head 9 is inclined towards the fixed block 2.

[0022] In the embodiment, anti-skid lines 10 are provided on the surface of the abutting head 9, which are used to increase the surface friction of the abutting head 9.

[0023] In the embodiment, the elastic member 3 is a tapered spring, and the two ends of the elastic member 3 abut against the fixed block 2 and the tapered wire clamp 4 respectively, so that the elastic member 3 is used to push the tapered wire clamp 4 away from the fixed block 2, so that the tapered wire clamp 4 can tightly clamp the wire.

[0024] In the embodiment, funnel-type wiring doors 11 are provided at the two ends of the shell 1, so that the wire can be easily inserted into the inside of the shell 1 through the funnel-type wiring doors 11.

[0025] The installation method, connection method or arrangement method of the tapered quick coupling pipe of wire anti-retreating can be any common mechanical method as long as it can achieve the beneficial effects.

[0026] The technical matters not described in detail in the present utility model are all known technologies, and the skilled person in the art can easily implement the present utility model on the basis of understanding the present specification, and the contents shown in the drawings are part of the present specification.

[0027] The above is a further detailed description of the present utility model in combination with the specific embodiments, and the specific embodiments of the present utility model should not be limited to these descriptions. For the ordinary skilled person in the technical field to which the present utility model belongs, without departing from the concept of the present utility model, a number of simple deductions or substitutions can also be made, which should all be considered to belong to the protection scope determined by the claims submitted by the present utility model.

Claims

1. A wire anti-retraction conical type splicing tube comprising a housing (1), characterized in that: The shell (1) is a hollow type two-end conical structure, the inside center of the shell (1) is equipped with a fixed block (2), both sides of the fixed block (2) are equipped with elastic members (3), one side of the elastic member (3) away from the fixed block (2) is equipped with a conical wire clamp (4), the conical wire clamp (4) comprises two symmetrically arranged wire clamps (5), the wire clamp (5) is a half-conical structure, the inside of the wire clamp (5) is provided with a wire guide channel (6), the inner wall of the wire guide channel (6) is provided with a plurality of inner grooves (7), a plurality of the inner grooves (7) are rotatably provided with anti-back blocks (8), one end of the anti-back block (8) away from the inner groove (7) is provided with an abutting head (9), the abutting head (9) is inclined to the direction of the fixed block (2).

2. The anti-backout, tapered, field splice tube of claim 1, wherein: The surface of the abutting head (9) is provided with anti-skid lines (10).

3. The anti-backout, conical, field-wire splice tube of claim 1, wherein: The elastic member (3) is a conical spring.

4. The kink resistant, swage tube of claim 1, wherein: Both ends of the shell (1) are provided with funnel type wiring doors (11).

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