Embedded connecting structure of protective pipe

Abstract

The utility model discloses an embedded connecting structure of a protective pipe, belongs to the technical field of pipeline connection, and solves the technical problem that the connecting position of an existing pipeline is directly exposed outside and is easy to damage. The protective pipe comprises protective pipes which are connected with each other, connecting parts are arranged on the end faces of the connecting ends of every two adjacent protective pipes, the connecting parts are connected with connecting flanges, the outer circles of the connecting flanges of every two adjacent protective pipes are jointly connected with connecting clamping rings in a buckled mode, and the connecting clamping rings are connected with the connecting flanges of every two adjacent protective pipes through first fasteners respectively. The outer circle diameter of the connecting clamping ring is equal to or smaller than that of the protective pipe. And after the overall outer layer of the protective pipe and the connecting position is coated with the anti-corrosion material, the connecting position is difficult to find, weak points at the connecting position of the protective pipe are hidden, and the attractive effect is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline connection technical field more specifically, it relates to a protection pipe embedded connection structure. BACKGROUND

[0002] The connection of pipeline is widely used in various industrial fields, and the most common connection modes are traditional external welding flange bolt connection, external sleeve type bolt connection, direct welding and large pipe sleeve small pipe.

[0003] When the pipeline serves as the protection pipe, the exposed connection part will be a weak point and will also affect the appearance, especially when protecting the cable, the lawbreaker can easily find the weak point to damage the cable structure, and it is inconvenient to carry out anticorrosion operation. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problem of the above-mentioned deficiencies of the prior art, and the purpose of the utility model is to provide a protection pipe embedded connection structure.

[0005] The technical scheme of the utility model is: a protection pipe embedded connection structure, comprising mutually connected protection pipes, the end face of the connection end of adjacent two sections of the protection pipes is provided with a connection part, the connection part is connected with a connection flange, the outer circles of the connection flanges of adjacent two sections of the protection pipes are jointly buckled with a connection snap ring, the connection snap ring is connected with the connection flanges of adjacent two sections of the protection pipes through first fasteners, and the outer circle diameter of the connection snap ring is equal to or less than the outer circle diameter of the protection pipe.

[0006] As a further improvement, the connection part is a connection plate, and the connection plate is welded with the end face of the protection pipe.

[0007] Further, the outer circle diameter of the connection plate is less than the outer circle diameter of the connection flange, and the inner circle diameter of the connection plate is greater than or equal to the inner circle diameter of the protection pipe.

[0008] Further, the inner circle diameter of the connection flange is greater than or equal to the inner circle diameter of the protection pipe.

[0009] Further, the connection flange is welded with the connection part or connected through second fasteners.

[0010] Further, two sides of the connecting clasp ring inner ring are respectively provided with bosses, and a groove is formed between the two bosses, the width of the groove is equal to the sum of the thicknesses of the two connecting flanges, and the width of the connecting clasp ring is equal to the sum of the thicknesses of the two connecting flanges and the thicknesses of the two connecting portions.

[0011] Further, the first fastener and the second fastener are screws or bolts.

[0012] Further, the outer circular surface of the connecting flange is provided with a first threaded hole corresponding to the first fastener, and the connecting clasp ring is provided with a first countersunk hole corresponding to the first fastener.

[0013] Further, the end surface of the connecting portion is provided with a second threaded hole corresponding to the second fastener, and the end surface of the connecting flange is provided with a second countersunk hole corresponding to the second fastener.

[0014] Further, the connecting clasp ring is two-lobed or multi-lobed.

[0015] Advantages

[0016] Compared with the prior art, the connecting structure has the advantages that:

[0017] The connecting structure can realize hidden connection of the connecting flange, thereby realizing connection of the protective pipe without exposure, and after the outer layer of the protective pipe and the connection position is coated with anticorrosive material, the connection position is difficult to find, the weak point of the protective pipe connection position is hidden, and an aesthetic effect is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structural schematic view of the utility model;

[0019] Figure 2 is a structural schematic view of the connecting portion in the utility model;

[0020] Figure 3 is a sectional view of the connecting portion in the utility model;

[0021] Figure 4 is a structural schematic view of the connecting flange in the utility model;

[0022] Figure 5 is a sectional view of the connecting flange in the utility model;

[0023] Figure 6 is a front view of the connecting clasp ring in the utility model;

[0024] Figure 7 is a sectional view of the connecting clasp ring in the utility model;

[0025] Figure 8The utility model discloses a top view of the connecting snap ring.

[0026] Among them: 1 - protection pipe, 2 - connecting portion, 3 - connecting flange, 4 - connecting snap ring, 5 - first fastener, 6 - second fastener, 7 - boss, 8 - recess, 9 - first threaded hole, 10 - first countersunk hole, 11 - second threaded hole, 12 - second countersunk hole. DETAILED DESCRIPTION

[0027] The utility model will be further explained in connection with the specific embodiment in the drawing.

[0028] Reference Figures 1-8 A protection pipe embedded connection structure, including each other's connection protection pipe 1, the end face of the connecting end of adjacent two sections protection pipe 1 is equipped with connecting portion 2, and connecting portion 2 is connected with connecting flange 3, and the outer circle of the connecting flange 3 of adjacent two sections protection pipe 1 is jointly buckled with connecting snap ring 4, and connecting snap ring 4 is connected with the connecting flange 3 of adjacent two sections protection pipe 1 respectively through first fastener 5, and the outer diameter of connecting snap ring 4 is equal to or less than the outer diameter of protection pipe 1.

[0029] Can realize the hidden connection of connecting flange 3, thereby realizing the connection of protection pipe 1 not exposed, after doing the coating anticorrosive material to the outer layer of protection pipe 1 and the whole of connecting place, namely the color of protection pipe 1 and connecting place is consistent, and the size is consistent, and it is difficult to find the connecting position, not only hide the weak point of protection pipe connecting place, also play the beautiful effect.

[0030] In an embodiment, the connecting portion 2 is a connecting plate, specifically a ring-shaped connecting plate, and the connecting plate is welded to the end face of the protection pipe 1.

[0031] In an embodiment, the connecting portion 2 is integrally formed with the protection pipe 1.

[0032] In an embodiment, the connecting portion 2 can be fastened to the end face of the protection pipe 1 by bolts.

[0033] The outer diameter of the connecting plate is less than the outer diameter of the connecting flange 3, and the inner diameter of the connecting plate is greater than or equal to the inner diameter of the protection pipe 1. Meanwhile, the inner diameter of the connecting flange 3 is greater than or equal to the inner diameter of the protection pipe 1. This can ensure that the cable can pass through the protection pipe 1 without obstruction.

[0034] In an embodiment, the connecting flange 3 is connected to the connecting portion 2 by a second fastener 6.

[0035] In an embodiment, the connecting flange 3 is welded to the connecting portion 2.

[0036] In an embodiment, the connecting flange 3 is integrally formed with the connecting portion 2.

[0037] The two sides of the inner ring of the connecting ring 4 are respectively provided with bosses 7, and the two bosses 7 are provided with a groove 8 therebetween. The width of the groove 8 is equal to the sum of the thicknesses of the two connecting flanges 3, i.e. the sum of the thicknesses of the two connecting flanges 3 is equal to the width of the groove 8. The width of the connecting ring 4 is equal to the sum of the thicknesses of the two connecting flanges 3 and the thicknesses of the two connecting portions 2, i.e. the sum of the thicknesses of the two connecting flanges 3 plus the thicknesses of the two connecting portions 2 is equal to the width of the connecting ring 4. After the two connecting flanges 3 are buckled by the connecting ring 4, the two side end faces of the connecting ring 4 are in contact with the end faces of the two sections of the protective pipe 1, so that the tightness of the connecting structure is good.

[0038] The first fastener 5 and the second fastener 6 are screws or bolts, which can be conveniently disassembled.

[0039] Specifically, the outer circumferential surface of the connecting flange 3 is provided with a first threaded hole 9 corresponding to the first fastener 5, and the connecting ring 4 is provided with a first countersunk hole 10 corresponding to the first fastener 5. The end face of the connecting portion 2 is provided with a second threaded hole 11 corresponding to the second fastener 6, and the end face of the connecting flange 3 is provided with a second countersunk hole 12 corresponding to the second fastener 6.

[0040] The connecting ring 4 is two-lobed or multi-lobed, i.e. the connecting ring 4 is designed to have a two-lobed structure, or a 3-lobed or 4-lobed structure, and the specific number of lobes can be determined according to the actual diameter of the connecting flange 3. When the diameter of the connecting flange 3 is small, the connecting ring 4 can be designed to have a two-lobed structure; when the diameter of the connecting flange 3 is large, the connecting ring 4 can be designed to have a 3-lobed or 4-lobed structure, or even a more-lobed structure. This facilitates adjustment of the installation position and maintenance or replacement in the later period.

[0041] The assembly process is as follows: the connecting portion 2 is welded to the end face of the protective pipe 1, then the second fastener 6 is used to fasten the connecting flange 3 to the second threaded hole 11 through the second countersunk hole 12, so as to fix the connecting portion 2 and the connecting flange 3, the second fastener 6 is not higher than the end face of the connecting flange 3 after being fastened, then the connecting ring 4 is buckled on the connecting flanges 3 of the two sections of the protective pipe 1, and finally the first fastener 5 is used to fasten the connecting ring 4 to the first threaded hole 9 through the first countersunk hole 10, so as to fix the connecting flange 3 and the connecting ring 4, the first fastener 5 is not higher than the outer circumferential surface of the connecting ring 4 after being fastened, and the assembly of the two sections of the protective pipe 1 is completed.

[0042] The above is only a preferred embodiment of the present application, and it should be pointed out that for those skilled in the art, without departing from the structure of the present application, a number of modifications and improvements can be made, which will not affect the effect and practicability of the present application.

Claims

1. A protective tube in-line connection structure comprising protective tubes (1) connected to each other, characterized in that, The end face of the connecting end of two adjacent sections of the protective pipe (1) is provided with a connecting part (2), the connecting part (2) is connected with a connecting flange (3), the outer circles of the connecting flanges (3) of the two adjacent sections of the protective pipe (1) are jointly buckled with a connecting snap ring (4), the connecting snap ring (4) is connected with the connecting flanges (3) of the two adjacent sections of the protective pipe (1) through first fasteners (5), and the outer circle diameter of the connecting snap ring (4) is equal to or smaller than the outer circle diameter of the protective pipe (1).

2. The in-line connection structure of a protective tube according to claim 1, wherein The connecting part (2) is a connecting plate, and the connecting plate is welded with the end face of the protective pipe (1).

3. The in-line connection structure of a guard tube according to claim 2, wherein The outer circle diameter of the connecting plate is smaller than the outer circle diameter of the connecting flange (3), and the inner circle diameter of the connecting plate is greater than or equal to the inner circle diameter of the protective pipe (1).

4. The in-line connection structure of a guard tube according to claim 1, wherein The inner circle diameter of the connecting flange (3) is greater than or equal to the inner circle diameter of the protective pipe (1).

5. The in-line connection structure of a guard tube according to claim 1, wherein The connecting flange (3) is welded with the connecting part (2) or connected through second fasteners (6).

6. The in-line connection structure of a guard tube according to claim 1, wherein The two sides of the inner circle of the connecting snap ring (4) are respectively provided with bosses (7), and the two bosses (7) are a groove (8) therebetween, the width of the groove (8) is equal to the sum of the thicknesses of the two connecting flanges (3), and the width of the connecting snap ring (4) is equal to the sum of the thicknesses of the two connecting flanges (3) and the thicknesses of the two connecting parts (2).

7. The in-line connection structure of a guard tube according to claim 5, wherein The first fasteners (5) and the second fasteners (6) are screws or bolts.

8. The in-line connection structure of a guard tube according to claim 7, wherein The outer circle face of the connecting flange (3) is provided with a first threaded hole (9) corresponding to the first fastener (5), and the connecting snap ring (4) is provided with a first countersunk hole (10) corresponding to the first fastener (5).

9. The in-line connection structure of a guard tube according to claim 7, wherein The end face of the connecting part (2) is provided with a second threaded hole (11) corresponding to the second fastener (6), and the end face of the connecting flange (3) is provided with a second countersunk hole (12) corresponding to the second fastener (6).

10. The in-line connection structure of a guard tube according to claim 1, wherein The connecting snap ring (4) is two-lobed or multi-lobed.

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