Electrical engineering line joint structure

Abstract

The utility model relates to the technical field of line joints, and discloses an electrical engineering line joint structure, which comprises a first connecting pipe, a second connecting pipe, a threaded pipe and a nut, the first connecting pipe is communicated with the second connecting pipe, the threaded pipe is arranged outside the first connecting pipe, and the nut is sleeved outside the second connecting pipe. A limiting mechanism is assembled in the second connecting pipe and comprises a bearing and a limiting block, cross arms are connected to the two ends of the right side of the bearing, and trapezoidal sliding blocks are connected to the outer portions of the cross arms. According to the electric engineering line connector structure, the problems that transportation collision and accessory loss are likely to happen when a traditional clamping hoop and a fixed fixing frame are used for fixing the second connecting pipe are solved, meanwhile, after a limiting mechanism is fixed through a screw, the position of a nut can be locked in the reverse direction, and the safety of the second connecting pipe is improved. And therefore, the problem that the internal threads are fixed loosely due to external reasons such as thermal expansion and cold contraction when the circuit is used can be avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to line joint technical field, concretely is a kind of electrical engineering line joint structure. BACKGROUND

[0002] Electrical engineering is traditionally defined as the sum of disciplines used to create electrical and electronic systems. However, with the rapid development of science and technology, the concept of electrical engineering has far exceeded the scope of this traditional definition. Today, electrical engineering covers almost all engineering activities related to electronics, photons, including electronics, electromagnetics, power engineering, telecommunications, control engineering, signal processing and other subfields.

[0003] The power system in electrical engineering needs to use line joint to connect the lines at both ends during construction. In the prior art, the connection is usually made by threaded connection. However, after the joint is connected, it needs to be fixed by a bracket. In the prior art, a splicing type clamp or a fixed frame directly fixed and assembled outside the joint is usually used for installation. However, the fixed frame is easy to be damaged by knocking during transportation of the joint, and the clamp is easy to be lost during transportation of the joint, thereby causing economic loss. SUMMARY

[0004] (I) Technical problem solved

[0005] In view of the deficiencies of the prior art, the utility model provides an electrical engineering line joint structure to solve the technical problem that the fixed frame is easy to be damaged by knocking during transportation of the joint, and the clamp is easy to be lost during transportation of the joint, thereby causing economic loss.

[0006] (II) Technical scheme

[0007] To achieve the above purpose, the utility model provides the following technical scheme: an electrical engineering line joint structure, comprising: a first connecting pipe, a second connecting pipe, a threaded pipe and a nut, the first connecting pipe and the second connecting pipe are in communication, the threaded pipe is provided on the outside of the first connecting pipe, and the nut is sleeved on the outside of the second connecting pipe.

[0008] A limiting mechanism is assembled in the inside of the second connecting pipe, the limiting mechanism comprises a bearing and a limiting block, the right side of the bearing is connected with a cross arm at both ends, the outside of the cross arm is connected with a trapezoidal slide block, and the limiting block is inserted into the inside of the first connecting pipe.

[0009] Preferably, a limiting groove is formed in the inside of the limiting block, and a convex rod is inserted into the inside of the limiting groove. The convex rod can press the trapezoidal slide block, thereby limiting the return of the trapezoidal slide block.

[0010] Preferably, the bottom of the limiting block is connected with springs on both sides, the springs are connected with the inside of the second connector pipe, and the springs drive the limiting block to retract into the inside of the second connector pipe when not in use.

[0011] Preferably, the inside of the second connector pipe is provided with a curved groove, and the curved groove is in sliding connection with the bearing, so that the limiting mechanism can be assembled.

[0012] Preferably, the outside of the trapezoidal slider is connected with a guide block, the guide block is in sliding connection with the inside of the curved groove, and the guide block can guide the trapezoidal slider to move linearly.

[0013] Preferably, the trapezoidal slider comprises a trapezoidal block, and the top of the trapezoidal block is provided with a semispherical notch, so that the trapezoidal slider can drive the convex rod to rise back when the convex rod is not compressed and fixed, and the stability of the trapezoidal slider when fixed is improved when the convex rod is fixed by the screw.

[0014] (Three) beneficial effects

[0015] Compared with the prior art, the utility model provides a kind of electrical engineering line joint structure, with following beneficial effects:

[0016] The electrical engineering line joint structure, line is connected after being completed, is automatically popped out from the inside of second connector pipe by the limiting mechanism added, in turn, personnel are fixed with second connector pipe quickly, avoid traditional type's clamp and fixed type's fixed frame when being fixed second connector pipe, easily produce transport knock and accessory loss etc. ACCURACY OF DRAWINGS

[0017] Figure 1 It is the front view of the utility model;

[0018] Figure 2 It is the front view of the utility model;

[0019] Figure 3 It is the external schematic view of the limiting mechanism of the utility model;

[0020] Figure 4 It is the enlarged schematic view of the limiting block of the utility model.

[0021] In the drawing: 1, first connector pipe;2, second connector pipe;21, curved groove;3, threaded pipe;4, nut;5, limiting mechanism;51, bearing;52, cross arm;53, trapezoidal slider;54, limiting block;55, limiting groove;56, spring;57, convex rod;58, guide block. DETAILED DESCRIPTION

[0022] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0023] The present application provides a technical scheme, please refer to Figure 1 and Figure 2 An electrical engineering line joint structure comprises a first connecting pipe 1, a second connecting pipe 2, a threaded pipe 3 and a nut 4. The first connecting pipe 1 and the second connecting pipe 2 are in communication. The threaded pipe 3 is provided on the outside of the first connecting pipe 1. The nut 4 is sleeved on the outside of the second connecting pipe 2.

[0024] The first connecting pipe 1 and the second connecting pipe 2 can be connected with the line. The nut 4 can fix the first connecting pipe 1 and the second connecting pipe 2 through the threaded pipe 3. The outside of the second connecting pipe 2 is provided with threads connected with the nut 4.

[0025] The inside of the second connecting pipe 2 is provided with a limiting mechanism 5. The limiting mechanism 5 comprises a bearing 51 and a limiting block 54. The bearing 51 is connected with the nut 4. The right side of the bearing 51 is connected with a cross arm 52. The outside of the cross arm 52 is connected with a trapezoidal slide block 53. The limiting block 54 is inserted into the inside of the first connecting pipe 1.

[0026] Please refer to Figure 3 and Figure 4 The bearing 51 can drive the cross arm 52 to move. The trapezoidal slide block 53 can drive the limiting block 54 to rise. The cross arm 52 is connected with the inner ring of the bearing 51. The outer ring of the bearing 51 is connected with the nut 4.

[0027] The inside of the limiting block 54 is provided with a limiting groove 55. The inside of the limiting groove 55 is inserted with a convex rod 57. The convex rod 57 can press the trapezoidal slide block 53, thereby limiting the return of the trapezoidal slide block 53. The bottom of the limiting block 54 is connected with a spring 56. The spring 56 is connected with the inside of the second connecting pipe 2. The spring 56 drives the limiting block 54 to retract into the inside of the second connecting pipe 2 when not in use.

[0028] The second connecting pipe 2 is internally provided with a curved groove 21, and the curved groove 21 is in sliding connection with the bearing 51, the curved groove 21 can be assembled with the limiting mechanism 5, the outer part of the trapezoidal slide block 53 is connected with the guide block 58, the guide block 58 is in sliding connection with the inner part of the curved groove 21, the guide block 58 can guide the trapezoidal slide block 53 to move linearly, the trapezoidal slide block 53 comprises a trapezoidal block, the top of the trapezoidal block is provided with a semispherical notch, the semispherical notch can conveniently drive the convex rod 57 to rise back when the convex rod 57 is not compressed and fixed, and the semispherical notch can increase the stability of the trapezoidal slide block 53 when the convex rod 57 is fixed by the screw.

[0029] The first connecting pipe 1 and the second connecting pipe 2 are connected with two ends of the line respectively, the first connecting pipe 1 and the second connecting pipe 2 are communicated when the line needs to be connected, the nut 4 is rotated outside the threaded pipe 3, and then the fixing between the first connecting pipe 1 and the second connecting pipe 2 is completed, the bearing 51 moves linearly when the nut 4 moves, and then the transverse arm 52 moves, the trapezoidal slide block 53 abuts against the limiting block 54, the limiting block 54 rises, the second connecting pipe 2 can be fixed by the screw inserted into the inner part of the limiting block 54, the convex rod 57 is pressed to descend when the screw is inserted into the inner part of the limiting block 54, the trapezoidal slide block 53 is fixed, and then the trapezoidal slide block 53 and the nut 4 are limited to return;

[0030] The limiting mechanism 5 automatically pops out from the inner part of the second connecting pipe 2 after the line is connected, and then the second connecting pipe 2 can be quickly fixed by the worker, the problems, such as transportation bumping and accessory loss, are avoided when the traditional clamp and the fixed frame are used to fix the second connecting pipe 2, and the position of the nut 4 can be locked in the reverse direction after the limiting mechanism 5 is fixed by the screw, and then the problem that the internal thread is loose due to thermal expansion and cold contraction and other external reasons when the line is used is avoided.

[0031] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0032] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An electrical engineering line joint structure, comprising: First connecting pipe (1), second connecting pipe (2), threaded pipe (3) and nut (4), characterized in that: the first connecting pipe (1) and the second connecting pipe (2) are communicated, the threaded pipe (3) is arranged outside the first connecting pipe (1), and the nut (4) is arranged outside the second connecting pipe (2). The inside of the second connecting pipe (2) is provided with a limiting mechanism (5), the limiting mechanism (5) comprises a bearing (51) and a limiting block (54), both ends of the right side of the bearing (51) are connected with a cross arm (52), the outside of the cross arm (52) is connected with a trapezoidal sliding block (53), and the limiting block (54) is inserted into the inside of the first connecting pipe (1).

2. An electrical engineering line joint structure according to claim 1, characterized in that: The inside of the limiting block (54) is provided with a limiting groove (55), and the inside of the limiting groove (55) is provided with a convex rod (57).

3. An electrical engineering line joint structure according to claim 1, characterized in that: The bottom of the limiting block (54) is connected with a spring (56) on both sides, and the spring (56) is connected with the inside of the second connecting pipe (2).

4. An electrical engineering line joint structure according to claim 1, characterized in that: The inside of the second connecting pipe (2) is provided with a curved groove (21), and the curved groove (21) is connected with the bearing (51) in a sliding manner.

5. An electrical engineering line joint structure according to claim 4, characterised in that: The outside of the trapezoidal sliding block (53) is connected with a guide block (58), and the guide block (58) is connected with the inside of the curved groove (21) in a sliding manner.

6. An electrical engineering line joint structure according to claim 1, characterized in that: The trapezoidal sliding block (53) comprises a trapezoidal block, and the top of the trapezoidal block is provided with a semispherical notch.

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