Hollow winding pipe convenient to install

Abstract

The utility model belongs to the technical field of winding pipes, and particularly relates to a hollow winding pipe convenient to install, which comprises a main body, and a connecting sleeve used for connecting adjacent main bodies is arranged on the outer side of one end of the main body. The inner sheath is slidably connected to the inner side of the main body, so that the clamping ring falls into the annular groove to limit the main body, the hook plate is connected to the interior of the clamping seat in a clamped mode to lock the limiting ring, the clamping block is connected to the interior of the clamping groove in a clamped mode to fix the connecting sleeve, operation is easy, convenient and fast assembly and disassembly can be achieved, and maintenance, replacement and use are convenient. The influence of connection looseness on normal use can be effectively prevented; through locking of the limiting ring, the convex pad can be driven to contract and sink into the sealing groove to seal the gap, further, the limiting pad can guide the inner sheath to enable the inner sheath to expand outwards to be tightly attached to the inner wall of the main body, and at the moment, the convex block is connected into the limiting groove in a clamped mode to form secondary sealing. And the structure is simple, and sealing can be automatically formed when the connecting sleeve is installed to avoid medium leakage.

Description

Technical Field

[0001] The utility model belongs to the technical field of winding pipes, and in particular relates to a hollow winding pipe which is easy to install. Background Art

[0002] The spiral tube is a new product that replaces the traditional metal spring for hose protection. The spiral tube is generally made of nylon or polypropylene. Compared with the traditional metal spring products, the spiral tube has good wear resistance, anti-aging and corrosion resistance; it can more effectively protect the outer surface of the hose from aging and friction. Compared with the hose spring products and other sheath products, it has more excellent convenience and environmental protection and energy saving effects. With the development of technology, there are various types of spiral tubes on the market, including a hollow spiral tube that is easy to install.

[0003] The original winding pipe is prone to loosening when connected to adjacent pipes, causing the pipe to fall off and affecting normal use. The installation structure is complicated and inconvenient for maintenance and replacement. In addition, the sealing effect of the connection is poor during use, and internal medium leakage is prone to occur, affecting the use effect. Utility Model Content

[0004] The purpose of the utility model is to provide a hollow winding tube that is easy to install. In order to solve the above-mentioned problems existing in the prior art, the utility model provides a hollow winding tube that is easy to install, which has the characteristics of being easy to install and preventing the connection from loosening, and being able to automatically form an effective seal to prevent leakage of the internal medium.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hollow winding tube that is easy to install, comprising a main body, a connecting sleeve for connecting adjacent main bodies is arranged on the outer side of one end of the main body, a boss for connecting with the connecting sleeve is arranged at one end of the main body, an inner sleeve for fitting with the inner wall of the main body to form a seal is arranged on the inner side of the connecting sleeve, a circular annular groove is provided on one side of the boss, a convex pad for resisting against the inner sleeve to form a seal is provided on the inner side of the main body, a sealing groove for the convex pad to engage and connect to seal the gap is provided on the outer side of the inner sleeve, and a limiting ring for fixing the connecting sleeve to prevent the connection from loosening is provided at one end of the connecting sleeve.

[0006] As an optimal technical solution for a hollow winding tube that is easy to install in the utility model, a plurality of blocks for fixing the limit ring are arranged at equal intervals on the inner side of the limit ring, and slots for fixing the connecting sleeve by engaging the blocks are arranged at equal intervals on the outer side of the boss.

[0007] As an optimal technical solution for a hollow winding tube that is easy to install according to the utility model, a limiting pad is also provided on the inner side of the main body for limiting the inner sheath and fitting to the inclined surface of one end of the inner sheath, and both sides of the connecting sleeve near the lower end are provided with clamping rings that are engaged and connected to the inside of the ring groove to limit the main body.

[0008] As an optimal technical solution for a hollow winding tube that is easy to install in the utility model, one side of the limiting pad is provided with a protrusion for connecting with the inner sleeve to fix one end of the inner sleeve, and one end of the inner sleeve is provided with a limiting groove for the protrusion to snap-in and connect to form a secondary seal.

[0009] As an optimal technical solution for a hollow winding tube that is easy to install in the utility model, a hook plate for closing the limiting ring is provided at one end of the lower opening of the limiting ring, and the limiting ring is symmetrically arranged at both ends of the connecting sleeve.

[0010] As a preferred technical solution for a hollow winding tube that is easy to install in the utility model, a socket for hook plate engagement and connection is provided at the other end of the lower opening of the limiting ring.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: after the inner sleeve is slidably connected to the inner side of the main body so that the clamping ring is sunk into the inside of the ring groove to form a limit to the main body, the limit ring can be locked by snapping the hook plate to the inside of the clamping seat, and the clamping block is snap-connected to the inside of the clamping groove to fix the connecting sleeve. The operation is simple and can realize convenient assembly and disassembly, which is convenient for maintenance and replacement. At the same time, it can effectively prevent the connection from loosening and affecting normal use. The locking of the limit ring can drive the convex pad to shrink and sink into the inside of the sealing groove to seal the gap. Further, the limit pad can guide the inner sleeve to expand outward and fit tightly with the inner wall of the main body. At this time, the convex block is snap-connected to the inside of the limit groove to form a secondary seal. The structure is simple and can automatically form a seal when the connecting sleeve is installed to avoid medium leakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0013] Figure 1 This is a schematic diagram of the overall appearance of the utility model in an exploded state;

[0014] Figure 2 It is a schematic diagram of the overall appearance of the utility model in a combined state;

[0015] Figure 3 It is a schematic diagram of the internal structure of the main body in the utility model;

[0016] Figure 4 It is a schematic diagram of the structure of the connecting sleeve and the main body connecting part in the utility model;

[0017] Figure 5 It is a schematic diagram of the structure of the closed state of the limit ring in the utility model;

[0018] In the figure: 1. main body; 2. connecting sleeve; 3. boss; 4. inner sleeve; 5. ring groove; 6. convex pad; 7. sealing groove; 8. limiting ring; 9. clamping block; 10. clamping groove; 11. limiting pad; 12. clamping ring; 13. convex block; 14. limiting groove; 15. hook plate; 16. clamping seat. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Example

[0021] See also Figure 1-5 The utility model provides the following technical solutions: a hollow winding tube that is easy to install, comprising a main body 1, a connecting sleeve 2 for connecting adjacent main bodies 1 is arranged on the outer side of one end of the main body 1, a boss 3 for connecting with the connecting sleeve 2 is arranged at one end of the main body 1, an inner sleeve 4 for fitting with the inner wall of the main body 1 to form a seal is arranged on the inner side of the connecting sleeve 2, a circular annular groove 5 is provided on one side of the boss 3, a convex pad 6 for resisting against the inner sleeve 4 to form a seal is arranged on the inner side of the main body 1, a sealing groove 7 for the convex pad 6 to engage and connect to seal the gap is provided on the outer side of the inner sleeve 4, a limiting ring 8 for fixing the connecting sleeve 2 to prevent the connection from loosening is arranged at one end of the connecting sleeve 2, and one end of the limiting ring 8 in this embodiment is fixedly connected to the connecting sleeve 2.

[0022] Specifically, a plurality of blocks 9 for fixing the limit ring 8 are arranged at equal intervals on the inner side of the limit ring 8, and slots 10 for engaging the blocks 9 to fix the connecting sleeve 2 are arranged at equal intervals on the outer side of the boss 3. In this embodiment, the blocks 9 can fix the connecting sleeve 2 to prevent rotation and loose connection.

[0023] Specifically, a limiting pad 11 is provided on the inner side of the main body 1 for limiting the inner sleeve 4 and fitting to the inclined surface of one end of the inner sleeve 4. Both sides of the connecting sleeve 2 near the lower end are provided with a clamping ring 12 for engaging with the inside of the annular groove 5 to limit the main body 1.

[0024] Specifically, one side of the limiting pad 11 is provided with a protrusion 13 for connecting with the inner sheath 4 to fix one end of the inner sheath 4, and one end of the inner sheath 4 is provided with a limiting groove 14 for the protrusion 13 to be snap-connected to form a secondary seal. In this embodiment, the limiting pad 11 is an inclined structure on the inner side of the main body 1 and is parallel to the inclined surface of one end of the inner sheath 4.

[0025] Specifically, a hook plate 15 for closing the limiting ring 8 is provided at one end of the lower opening of the limiting ring 8. The limiting ring 8 is symmetrically arranged at both ends of the connecting sleeve 2. In this embodiment, the limiting ring 8 has a certain elasticity and can be stretched outward.

[0026] Specifically, a clamping seat 16 for clamping and connecting the hook plate 15 is provided at the other end of the lower opening of the limiting ring 8 .

[0027] Working principle and use process of the utility model: the utility model slides the inner sheath 4 located on the inner side of the connecting sleeve 2 to the inner side of the main body 1, so that the clamping ring 12 arranged on one side of the connecting sleeve 2 is sunk into the ring groove 5 at one end of the boss 3 to limit the main body 1. At this time, the hook plate 15 arranged on one side of the lower end of the limiting ring 8 is engaged with the inside of the clamping seat 16 on the other side of the lower end of the limiting ring 8 to lock the limiting ring 8, and the clamping block 9 arranged on the inner side of the limiting ring 8 is engaged with the inside of the clamping groove 10 on the outer side of the boss 3 to fix the connecting sleeve 2. The operation is simple, and convenient assembly and disassembly can be achieved, which is convenient for maintenance When it is repaired or replaced, it can effectively prevent the loose connection from affecting normal use; the locking of the limiting ring 8 can drive the convex pad 6 located on the inner side of the main body 1 to shrink and sink into the sealing groove 7 on one side of the inner sheath 4 to seal the gap, and the limiting pad 11 arranged on the inner side of the main body 1 can be further used to guide the inner sheath 4 to expand outward and fit closely with the inner wall of the main body 1. At this time, the convex block 13 arranged on one side of the limiting pad 11 is engaged and connected to the inside of the limiting groove 14 to form a secondary seal. The structure is simple and can automatically form a seal when the connecting sleeve 2 is installed to avoid medium leakage.

[0028] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A hollow winding tube that is easy to install, characterized in that: The invention comprises a main body (1), wherein a connecting sleeve (2) for connecting adjacent main bodies (1) is arranged on the outer side of one end of the main body (1), a boss (3) for connecting with the connecting sleeve (2) is arranged on one end of the main body (1), an inner sleeve (4) for fitting with the inner wall of the main body (1) to form a seal is arranged on the inner side of the connecting sleeve (2), a circular annular groove (5) is arranged on one side of the boss (3), a convex pad (6) for abutting against the inner sleeve (4) to form a seal is arranged on the inner side of the main body (1), a sealing groove (7) for the convex pad (6) to be engaged and connected to seal the gap is arranged on the outer side of the inner sleeve (4), and a limiting ring (8) for fixing the connecting sleeve (2) to prevent the connection from being loose is arranged on one end of the connecting sleeve (2).

2. The hollow winding tube that is easy to install according to claim 1 is characterized in that: A plurality of clamping blocks (9) for fixing the clamping ring (8) are arranged at equal intervals on the inner side of the limit ring (8), and clamping grooves (10) for clamping the clamping blocks (9) to fix the connecting sleeve (2) are arranged at equal intervals on the outer side of the boss (3).

3. The hollow winding tube that is easy to install according to claim 1 is characterized in that: The inner side of the main body (1) is also provided with a limiting pad (11) for limiting the position of the inner sleeve (4) and fitting against the inclined surface of one end of the inner sleeve (4), and both sides of the connecting sleeve (2) close to the lower end are provided with a clamping ring (12) for engaging with the inside of the annular groove (5) to limit the position of the main body (1).

4. The hollow winding tube that is easy to install according to claim 3 is characterized in that: A protrusion (13) for connecting with the inner sheath (4) to fix one end of the inner sheath (4) is provided on one side of the limiting pad (11), and a limiting groove (14) for engaging with the protrusion (13) to form a secondary seal is provided on one end of the inner sheath (4).

5. The hollow winding tube that is easy to install according to claim 1 is characterized in that: A hook plate (15) for closing the limiting ring (8) is arranged at one end of the lower opening of the limiting ring (8), and the limiting ring (8) is symmetrically arranged at both ends of the connecting sleeve (2).

6. The hollow winding tube that is easy to install according to claim 1, characterized in that: The other end of the lower opening of the limiting ring (8) is provided with a clamping seat (16) for clamping and connecting with the hook plate (15).

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