Bending protective pipe sleeve

By designing a bending sleeve, the pipe can be flexibly bent and fixed at multiple angles using V-grooves and snap-fit ​​structures. This solves the problems of poor wire threading and inconvenient construction in existing technologies, and improves the smoothness of pipe bending and the fixing effect.

CN223630991UActive Publication Date: 2025-12-05浙江中财管道科技股份有限公司
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Patent Information

Application Number
CN202423250057.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2025-12-05
Estimated Expiration
2034-12-26

AI Technical Summary

Technical Problem

Existing pipe bending and fixing devices suffer from problems such as difficulty in threading and poor flexibility. In particular, PVC conduits and underfloor heating pipes require specific molds for fixing after bending, which makes construction inconvenient.

Method used

Design a bending pipe sleeve, including a pipe sleeve body and a snap-fit ​​structure. The pipe sleeve body is provided with multiple V-shaped grooves to divide it into multiple pipe sections. The pipe sections can be rotated through the hinge part. The snap-fit ​​structure allows adjacent pipe sections to be closed and locked, realizing flexible bending and fixing of the pipe.

Benefits of technology

It enables smooth threading and multi-angle fixing during pipe bending, improving the flexibility of pipe bending and the convenience of construction, and preventing pipe breakage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a bending protective pipe sleeve which comprises a protective pipe sleeve body used for being arranged on a pipe in a sleeved mode, a plurality of V-shaped grooves are sequentially formed in the lower side of the protective pipe sleeve body in the axial direction, the protective pipe sleeve body is divided into a plurality of pipe joints through the V-shaped grooves, the protective pipe sleeve body forms hinge portions at the upper ends of the V-shaped grooves, and every two adjacent pipe joints can rotate relatively through the hinge portions. The pipe protecting sleeve further comprises a buckle structure, the buckle structure comprises a first connecting part and a second connecting part which are arranged on the two opposite sides of a groove opening of the V-shaped groove, and after every two adjacent pipe sections are folded, the first connecting part and the second connecting part are connected in a clamped mode. The utility model provides a bending protective pipe sleeve which is smoother in threading and better in flexibility.
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Description

TECHNICAL FIELD

[0001] The utility model relates to pipe bending protection device technical field especially relates to a kind of bending pipe sleeve. BACKGROUND

[0002] Water supply and drainage pipeline system often needs various fittings to turn, such as PVC threading pipe, generally using spring to insert threading pipe and then directly bending, spring supports the inner wall of threading pipe, to prevent the collapse of threading pipe cross section from sharp deformation, but due to spring supporting the inner wall of threading pipe, spring hinders threading, causing threading not smooth.

[0003] In addition, for some floor heating pipes, although itself flexibility is strong and can be bent arbitrarily, but after bending, corresponding mold needs to be used for fixing, and in construction, mold can only fix pipe material of one angle, such as right-angle mold, only fixing pipe material after right-angle bending, pipe material after bending of other angles needs to be fixed using mold of other specifications, and construction is inconvenient. UTILITY MODEL CONTENT

[0004] The utility model discloses to solve the shortcomings, such as threading not smooth and poor flexibility, of the prior art pipe bending fixing device, and provides a kind of bending pipe sleeve, threading is more smooth, and flexibility is better.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] A kind of bending pipe sleeve, including the pipe sleeve main part for being sleeved on pipe material, multiple V-shaped grooves are sequentially arranged in the axial direction in the lower side of pipe sleeve main part, multiple V-shaped grooves separate pipe sleeve main part into multiple pipe sections, hinged part is formed on the upper end of V-shaped groove of pipe sleeve main part, adjacent two pipe sections are relatively rotatable by hinged part, and the pipe sleeve further includes buckle structure, the first connecting part and the second connecting part of the slot mouth opposite sides of V-shaped groove are arranged, after the folding of adjacent two pipe sections, the first connecting part and the second connecting part are clamped.

[0007] Through the above setting, pipe sleeve main part is sleeved on the outside of pipe material, and pipe material is wrapped, to prevent pipe material from collapsing during bending;The inner wall of pipe material is smooth after bending, and threading is smooth;V-shaped groove provides pipe section opening and closing space, so that adjacent two pipe sections can be folded to drive pipe material to bend;Pipe section is locked after folding by buckle structure, and the shape of pipe material is fixed;The angle of bending can be controlled, and pipe material is bent into different angles for fixing conveniently, and bending flexibility is better.

[0008] Further, the first connecting part is a clamping block fixedly connected to the lower side of the pipe joint, the second connecting part comprises a connecting plate and a hook, one end of the connecting plate is fixedly connected to the lower side of the pipe joint, the other end of the connecting plate extends to the lower side of the clamping block through the notch of the V-shaped groove, the hook is fixedly connected to the upper side of the end of the connecting plate close to the clamping block, the upper side of the hook is higher than the lower side of the clamping block, and an inclined surface is arranged on the side of the hook close to the clamping block; when the two adjacent pipe joints are folded, the clamping block extrudes the inclined surface, so that the second connecting part elastically deforms outward, so as to facilitate the clamping of the first connecting part and the second connecting part.

[0009] Through the above arrangement, the first connecting part and the second connecting part are convenient for clamping and disengaging.

[0010] Further, the upper side of the pipe protection sleeve body is fixedly connected with a reinforcing strip along the length direction, the distance between the upper side of the reinforcing strip and the upper end of the V-shaped groove is d1, the wall thickness of the pipe protection sleeve body is t, and d1=t.

[0011] Through the above arrangement, the articulated part is prevented from breaking.

[0012] Further, the opening angle of the V-shaped groove is a, and 12°>a>15°.

[0013] Through the above arrangement, the curvature radius of the pipe material is controlled, and the pipe material is prevented from being broken due to too small curvature radius.

[0014] Further, the distance between the upper ends of the two adjacent V-shaped grooves is d2, the inner diameter of the pipe protection sleeve body is d3, and d2>d3.

[0015] Through the above arrangement, the pipe bending process is more gentle, and the possibility of pipe material breaking is further reduced.

[0016] Further, the width of the clamping block is w1, and 1 / 3>w1 / d3>1 / 2.

[0017] Through the above arrangement, the connection strength of the first connecting part and the second connecting part is ensured, and the disengagement of the first connecting part and the second connecting part is also relatively convenient.

[0018] Further, the V-shaped grooves are arranged at equal intervals along the length direction of the pipe protection sleeve body.

[0019] Further, the number of V-shaped grooves is 5-10. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a schematic view of the pipe protection sleeve of the embodiment.

[0021] Figure 2 It is a sectional view of the pipe protection sleeve of the embodiment.

[0022] Figure 3 It is a bottom view of the pipe protection sleeve of the embodiment.

[0023] Figure 4 is a schematic view of the pipe after bending.

[0024] Figure 5 is a schematic view when the first connecting part and the second connecting part of the embodiment are staggered. DETAILED DESCRIPTION

[0025] The technical scheme of the utility model will be further specifically explained below by means of embodiments and in conjunction with the drawings.

[0026] As shown in the drawings, Figures 1 to 5 A bending pipe sleeve includes a pipe sleeve body for sleeving on a pipe, a plurality of V-shaped grooves 1 are sequentially arranged on the lower side of the pipe sleeve body in the axial direction, the plurality of V-shaped grooves 1 separate the pipe sleeve body into a plurality of pipe segments 2, a hinge part 3 is formed on the upper end of the V-shaped groove 1 of the pipe sleeve body, the adjacent two pipe segments 2 can relatively rotate through the hinge part 3, the pipe sleeve further includes a buckle structure, the buckle structure includes a first connecting part 4 and a second connecting part 5 arranged on the opposite sides of the slot of the V-shaped groove 1, and the first connecting part 4 and the second connecting part 5 are clamped after the adjacent two pipe segments 2 are folded.

[0027] Through the above arrangement, the pipe sleeve body is sleeved on the outside of the pipe, wraps the pipe, and prevents the pipe from breaking and crushing during bending; the inner wall of the pipe is smooth after bending, and threading is smooth; the V-shaped groove 1 provides an opening and closing space for the pipe segment 2, so that the adjacent two pipe segments 2 can be folded to drive the pipe to bend; the pipe segment 2 is locked through the buckle structure after being folded, and the shape of the pipe is fixed; the bending angle can be controlled, the pipe can be conveniently bent to different angles and fixed, and the bending flexibility is better.

[0028] As shown in the drawings, Figure 2 In the initial state, the plurality of pipe segments 2 are coaxially arranged, the first connecting part 4 and the second connecting part 5 are separated, the outer diameter of the pipe to be bent is matched with the inner diameter of the pipe segment 2, the pipe segment 2 well wraps the pipe after the pipe passes through the pipe segment 2, the adjacent two pipe segments 2 are folded when the pipe is bent, the slot of the V-shaped groove 1 is reduced, the first connecting part 4 and the second connecting part 5 are close to each other, and the adjacent two pipe segments 2 cannot be opened after the first connecting part 4 and the second connecting part 5 are clamped, thereby preventing the pipe 200 from rebounding, as shown in the drawings, Figure 4 The more the number of folded pipe segments 2 is, the greater the bending degree of the pipe is, the bending angle of the pipe can be controlled by controlling the number of folded pipe segments 2, and the pipe can be conveniently bent and fixed according to actual engineering requirements.

[0029] As an implementation manner, the first connecting part 4 is a clamping block fixedly connected to the lower side of the pipe joint 2, the second connecting part 5 comprises a connecting plate 51 and a hook 52, one end of the connecting plate 51 is fixedly connected to the lower side of the pipe joint 2, the other end of the connecting plate 51 extends to the lower side of the clamping block through the slot of the V-shaped groove 1, the hook 52 is fixedly connected to the upper side of the one end of the connecting plate 51 close to the clamping block, the upper side of the hook 52 is higher than the lower side of the clamping block, and the one side of the hook 52 close to the clamping block is provided with an inclined surface 53, when the two adjacent pipe joints 2 are folded, the clamping block extrudes the inclined surface 53, and the second connecting part 5 is elastically deformed outward, so that the first connecting part 4 is clamped with the second connecting part 5.

[0030] Through the above setting, the first connecting part 4 and the second connecting part 5 are conveniently clamped and separated.

[0031] Specifically, as shown in Figure 2 , in the initial state, the hook 52 is separated from the clamping block, the connecting plate 51 is made of elastic material, when the pipe is bent, the two adjacent pipe joints 2 are folded with the hinge part 3 as the fulcrum, after the clamping block contacts the inclined surface 53 of the hook 52, the clamping block extrudes the inclined surface 53, and the connecting plate 51 is elastically deformed outward under the action of the inclined surface 53, with the continuous bending of the pipe, the hook 52 passes the clamping block, the connecting plate 51 restores, the hook 52 hooks the clamping block, the first connecting part 4 is clamped with the second connecting part 5, and after the hand is released, the pipe will not rebound, as shown in Figure 4 , when it is necessary to be separated, only the pipe joint 2 is twisted, after the two adjacent pipe joints 2 are twisted left and right, the clamping block and the hook 52 are left and right staggered, as shown in Figure 5 , when the clamping block and the hook 52 are separated, the first connecting part 4 and the second connecting part 5 are separated.

[0032] As an implementation manner, the upper side of the pipe protection sleeve body is fixedly connected with a reinforcing strip 6 along the length direction, the distance between the upper side of the reinforcing strip 6 and the upper end of the V-shaped groove 1 is d1, the wall thickness of the pipe protection sleeve body is t, and d1=t1.

[0033] Through the above setting, the breakage of the hinge part 3 is prevented.

[0034] As an implementation manner, the opening angle of the V-shaped groove 1 is a, and 12°>a>15°.

[0035] Through the above setting, the curvature radius of the pipe is controlled, and the pipe is prevented from being broken due to too small curvature radius.

[0036] As an implementation manner, the distance between the upper ends of the two adjacent V-shaped grooves 1 is d2, the inner diameter of the pipe protection sleeve body is d3, and d2>d3.

[0037] Through the above setting, the pipe bending process is more gentle, and the possibility of pipe breakage is further reduced.

[0038] As an implementation manner, the width of the clamping block is w1, and 1 / 3>w1 / d3>1 / 2.

[0039] Through the above setting, the connection strength of the first connecting part 4 and the second connecting part 5 is guaranteed, and the tripping of the first connecting part 4 and the second connecting part 5 is also relatively convenient.

[0040] In the present application, the wider the card block width, the more reliable the connection of the first connecting part 4 and the second connecting part 5, and the more difficult the tripping, and vice versa, the less reliable the connection of the first connecting part 4 and the second connecting part 5, and the easier the tripping, when 1 / 3> w1 / d3>1 / 2, the reliability of the connection and the simplicity of the tripping are considered.

[0041] As an implementation manner, the V-shaped grooves 1 are arranged at equal intervals along the length direction of the main body of the protective pipe sleeve.

[0042] As an implementation manner, the number of the V-shaped grooves 1 is 5-10.

[0043] It should be understood that for those skilled in the art, improvements or changes can be made according to the above description, and all these improvements and changes shall belong to the protection scope of the appended claims of the present application.

Claims

1. A bendable sheath characterized by, The utility model provides a pipe protection sleeve, which comprises a pipe protection sleeve body for sleeving on a pipe, a plurality of V-shaped grooves arranged in sequence on the lower side of the pipe protection sleeve body in the axial direction, the plurality of V-shaped grooves separating the pipe protection sleeve body into a plurality of pipe sections, a hinge part being formed on the upper end of the V-shaped groove, the adjacent two pipe sections being relatively rotatable through the hinge part, and a buckle structure, the buckle structure comprising a first connecting part and a second connecting part arranged on the opposite sides of the notch of the V-shaped groove, the first connecting part and the second connecting part being clamped after the adjacent two pipe sections are folded.

2. A bend guard sleeve as claimed in claim 1, wherein, The first connecting part is a clamping block fixedly connected to the lower side of the pipe section, the second connecting part comprises a connecting plate and a hook, one end of the connecting plate being fixedly connected to the lower side of the pipe section, the other end of the connecting plate extending to the lower side of the clamping block through the notch of the V-shaped groove, the hook being fixedly connected to the upper side of the end of the connecting plate close to the clamping block, the upper side of the hook being higher than the lower side of the clamping block, and an inclined surface being arranged on the side of the hook close to the clamping block, the clamping block pressing the inclined surface when the adjacent two pipe sections are folded, so that the second connecting part is elastically deformed outward, so as to clamp the first connecting part and the second connecting part.

3. A bend guard sleeve according to claim 2, wherein, A reinforcing strip is fixedly connected to the upper side of the pipe protection sleeve body in the length direction, the distance between the upper side of the reinforcing strip and the upper end of the V-shaped groove being d1, the wall thickness of the pipe protection sleeve body being t, and d1=t1.

4. The bend guard sleeve of claim 1, wherein, The opening angle of the V-shaped groove is a, and 12°>a>15°.

5. A bend guard sleeve as claimed in claim 3, wherein, The distance between the upper ends of the adjacent two V-shaped grooves is d2, the inner diameter of the pipe protection sleeve body is d3, and d2>d3.

6. A bend guard sleeve as claimed in claim 5, wherein, The width of the clamping block is w1, and 1 / 3>w1 / d3>1 / 2.

7. A bend guard sleeve as defined in claim 1, wherein, The V-shaped grooves are arranged at equal intervals in the length direction of the pipe protection sleeve body.

8. A bend guard sleeve as defined in claim 1, wherein, The number of the V-shaped grooves is 5-10.