CN216904141U

CN216904141U - Compound MPP cable protection pipe that heat resistance is good

Info

Publication number: CN216904141U
Application number: CN202220168246.XU
Authority: CN
Inventors: 宋利敏
Original assignee: Anhui Zhexin Power Technology Co ltd
Current assignee: Anhui Zhexin Power Technology Co ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-07-05
Anticipated expiration: 2032-01-21

Abstract

The utility model discloses a composite MPP cable protection pipe with good heat resistance, which comprises a guide ball, a first protection pipe and a second protection pipe, wherein the outer wall of the guide ball is provided with a connecting rod, the outer surface of the connecting rod is provided with a rolling ball in a rolling manner, the inner part of the guide ball is provided with a limiting plate through a telescopic rod, the outer surfaces of the first protection pipe and the second protection pipe are respectively provided with a first fixing groove and a second fixing groove which are symmetrical, the inner part of the second fixing groove is provided with a fixing block, and the inner part of the fixing block is provided with a groove; according to the utility model, the limiting block is matched with the limiting block by the convex block in the first fixing groove to form limiting in the groove and the limiting groove in the second fixing groove, so that the detachment and installation of the protection tube are facilitated.

Description

Compound MPP cable protection pipe that heat resistance is good

Technical Field

The utility model relates to the technical field of cable protection pipes, in particular to a composite MPP cable protection pipe with good heat resistance.

Background

The cable protection pipe is a metal protection pipe which is laid on the outer layer of the cable and has certain mechanical strength in order to prevent the cable from being damaged. The cable protection pipe is mainly installed in a section where the communication cable and the power line are crossed, and short circuit accidents caused by disconnection of the power line are prevented.

The compound MPP cable protection pipe that traditional heat resistance is good is the most formula as an organic whole of in-process that uses, and is inconvenient to dismantle and install the protection pipe, when the cable need penetrate in the protection pipe simultaneously, because the protection pipe too long can lead to the cable to be in the same place at the in-process winding that penetrates, lacks the guide and pulls the cable, penetrates comparatively difficultly.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a composite MPP cable protection pipe with good heat resistance, which aims to solve the existing problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a compound MPP cable protection pipe that heat resistance is good, is including guide ball, first protection tube and second protection tube, the guide ball outer wall is provided with the connecting rod, the surface roll of connecting rod installs the ball, the guide ball is inside to be provided with the limiting plate through the telescopic link, symmetrical first fixed slot and second fixed slot have been seted up respectively to the surface of first protection tube and second protection tube, the inside of second fixed slot is provided with the fixed block, the inside of fixed block is seted up flutedly, the inside of first fixed slot is provided with the fixed plate, one side of fixed plate articulates through the loose axle has the dwang, the surface of dwang is provided with the lug, the third fixed slot has been seted up at the both ends of lug, the inner wall of third fixed slot has the stopper through second spring coupling.

Preferably, the number of the connecting rods is three, and the connecting rods are arranged on the outer wall of the guide ball in an equilateral triangle shape.

Preferably, the shape of the convex block and the concave groove are matched and the positions of the convex block and the concave groove are corresponding.

Preferably, the two ends of the groove are provided with limit grooves, and the limit grooves correspond to the limit blocks in position and are matched in shape.

Preferably, the number of the limiting plates is three, and the shape of the limiting plates is arc-shaped.

Preferably, the limiting plate is connected with the inner wall of the guide ball through a first spring.

Compared with the prior art, the utility model has the beneficial effects that: this compound MPP cable protection pipe that heat resistance is good, through utilizing the lug cooperation stopper in the first fixed slot recess and the spacing inslot of second fixed slot to form spacingly, just so can make things convenient for the dismantlement and the installation of protection pipe, through utilizing the limiting plate cooperation ball in the guide ball, can make the cable wear the protection pipe under the guide of guide ball, provide the guide effect in the protection pipe to the cable mounting, stopped the cable and taken place the winding at the in-process that penetrates the protection pipe.

Drawings

FIG. 1 is a schematic view of a guide ball according to the present invention;

FIG. 2 is a schematic view of a connection structure between the protection tubes according to the present invention;

FIG. 3 is an enlarged view of the portion A in FIG. 2 according to the present invention.

In the figure: 1. a guide ball; 2. a connecting rod; 3. a ball bearing; 4. a telescopic rod; 5. a limiting plate; 6. a first spring; 7. a first protective tube; 8. a first fixing groove; 9. a second protection tube; 10. a second fixing groove; 11. a fixed block; 12. a groove; 13. a fixing plate; 14. rotating the rod; 15. a bump; 16. a third fixing groove; 17. a second spring; 18. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides an embodiment: a composite MPP cable protection pipe with good heat resistance comprises a guide ball 1, a first protection pipe 7 and a second protection pipe 9, wherein the outer wall of the guide ball 1 is provided with a connecting rod 2, the outer surface of the connecting rod 2 is provided with balls 3 in a rolling manner, the three connecting rods 2 are arranged on the outer wall of the guide ball 1 in an equilateral triangle manner, the balls 3 on the connecting rod 2 can move on the inner wall of the protection pipe, a limiting plate 5 is arranged inside the guide ball 1 through a telescopic rod 4, the limiting plate 5 is connected with the inner wall of the guide ball 1 through a first spring 6, the limiting plate 5 can limit a cable under the action of the elastic force of the first spring 6, the three limiting plates 5 are arc-shaped, the limiting plates 5 can limit the cable and facilitate subsequent cable guiding, the outer surfaces of the first protection pipe 7 and the second protection pipe 9 are respectively provided with a first fixing groove 8 and a second fixing groove 10 which are symmetrical, the inside of second fixed slot 10 is provided with fixed block 11, recess 12 has been seted up to the inside of fixed block 11, the both ends of recess 12 have been seted up spacing groove and the corresponding just shape looks adaptation in position of stopper 18, it is spacing to make stopper 18 get into in the spacing groove, the inside of first fixed slot 8 is provided with fixed plate 13, one side of fixed plate 13 articulates through the loose axle has dwang 14, the surface of dwang 14 is provided with lug 15, lug 15 and recess 12's shape looks adaptation and position are corresponding, can make lug 15 get into the inside of recess 12 and carry on spacingly, third fixed slot 16 has been seted up at lug 15's both ends, the inner wall of third fixed slot 16 is connected with stopper 18 through second spring 17.

The working principle is as follows: when a cable needs to be inserted into the protection tube, the cable is placed into the guide ball 1, the limiting plate 5 in the guide ball 1 limits the cable in the limiting plate 5 under the action of the elastic force of the first spring 6, after the cable is limited, the guide ball 1 is placed into the protection tube to slide, and the ball 3 on the guide ball 1 drives the cable in the protection tube to guide; when needs are connected the protection tube, dwang 14 on the first fixed slot 8 internal fixation board 13 of upset, dwang 14 just can drive lug 15 and rotate to assigned position department, touch recess 12 in the second fixed slot 10 when lug 15, thereby two sets of stoppers 18 drive the compression of second spring 17 and make lug 15 get into in the recess 12, elasticity through second spring 17 restores force and then drives stopper 18 card and go into to the inside spacing groove of recess 12, in order to realize the fixed effect of first protection tube 7 and second protection tube 9.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that the terms "connected" and "connected" are to be interpreted broadly, e.g., as either a fixed connection or a removable connection, unless expressly stated or limited otherwise; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. The utility model provides a compound MPP cable protection pipe that heat resistance is good, includes guide ball (1), first protective tube (7) and second protective tube (9), its characterized in that: the outer wall of the guide ball (1) is provided with a connecting rod (2), the outer surface of the connecting rod (2) is provided with a ball (3) in a rolling way, a limiting plate (5) is arranged in the guide ball (1) through a telescopic rod (4), the outer surfaces of the first protection pipe (7) and the second protection pipe (9) are respectively provided with a first fixing groove (8) and a second fixing groove (10) which are symmetrical, a fixed block (11) is arranged inside the second fixed groove (10), a groove (12) is formed inside the fixed block (11), a fixed plate (13) is arranged in the first fixed groove (8), one side of the fixed plate (13) is hinged with a rotating rod (14) through a movable shaft, a convex block (15) is arranged on the outer surface of the rotating rod (14), third fixing grooves (16) are formed in two ends of the convex block (15), the inner wall of the third fixing groove (16) is connected with a limiting block (18) through a second spring (17).

2. The composite MPP cable protection tube with good heat resistance of claim 1, wherein: the number of the connecting rods (2) is three and the connecting rods are arranged on the outer wall of the guide ball (1) in an equilateral triangle shape.

3. The composite MPP cable protection tube with good heat resistance of claim 1, wherein: the shape of the convex block (15) is matched with that of the groove (12) and the positions of the convex block and the groove are corresponding.

4. The composite MPP cable protection tube with good heat resistance of claim 1, wherein: the two ends of the groove (12) are provided with limit grooves, and the limit grooves correspond to the limit blocks (18) in position and are matched in shape.

5. The composite MPP cable protection tube with good heat resistance of claim 1, wherein: the number of the limiting plates (5) is three, and the limiting plates (5) are arc-shaped.

6. The composite MPP cable protection tube with good heat resistance of claim 1, wherein: the limiting plate (5) is connected with the inner wall of the guide ball (1) through a first spring (6).