CN215596692U

CN215596692U - Electromagnetic hot-melt steel-plastic pipe fitting capable of changing color after heating

Info

Publication number: CN215596692U
Application number: CN202120962724.XU
Authority: CN
Inventors: 陈厚忠
Original assignee: Wuhan Kingbull Economic Development Co Ltd
Current assignee: Wuhan Kingbull Economic Development Co Ltd
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2022-01-21
Anticipated expiration: 2031-05-07

Abstract

The utility model discloses an electromagnetic hot-melt steel-plastic pipe fitting capable of changing color after heating, which comprises a pipe fitting main body with a bell and spigot, wherein a groove is formed in the outer wall of the pipe fitting main body, a temperature sensing label is arranged in the groove, a protection plate is arranged in the groove and above the temperature sensing label, one side of the protection plate is fixedly connected with one end of a fixed block, the other end of the fixed block is fixedly arranged at one end of a connecting shaft, a hollow sleeve is sleeved on the outer wall of the connecting shaft and fixedly arranged in the groove, a clamping block is arranged on the back of the other side of the protection plate, and a concave block is arranged in the groove and at a position corresponding to the clamping block. This electromagnetic hot melt steel-plastic pipe spare that discolours after heating can discolour after pipe fitting main part surface temperature reaches the setting value through the temperature sensing labeling that sets up, and through the feedback of discolouing, the workman can clearly know whether hot melt of pipeline connects to avoid because of the welding of relapseing or leak the water leakage accident that the butt fusion caused. Is suitable for the production of pipe fittings.

Description

Electromagnetic hot-melt steel-plastic pipe fitting capable of changing color after heating

Technical Field

The utility model relates to the technical field of plastic pipelines, in particular to an electromagnetic hot-melt steel-plastic pipe fitting capable of changing color after heating.

Background

At present, China has various types of secondary water supply pipelines for high-rise buildings, wherein the PSP steel-plastic composite pipe has high mechanical strength and high bearing capacity, is safe and sanitary for internal and external corrosion prevention, is applied to water supply pipeline systems in buildings in large quantity, and has the whole industrial output value of hundreds of billions of yuan.

The PSP steel-plastic composite pipe adopts a polyolefin material as an inner and outer anticorrosive layer and a steel belt as a composite pipeline reinforced pressure-bearing layer. The golden cow uses the electromagnetic induction double-hot-melting connection technology on a PSP steel-plastic pipeline system, and solves the problems of high construction labor intensity, harsh construction environment conditions and the like in the original 'hot-melting and socket-and-spigot' connection mode. The PSP steel-plastic composite pipeline system is efficient, convenient, safe and reliable in construction through a connection mode of firstly inserting and then heating the steel belt through electromagnetic hot melting to melt the polyolefin material and enable the pipe and the pipe fitting polyolefin material to be welded together. But after the butt fusion, can't see from the outward appearance whether the pipeline has been welded, lead to the workman to weld repeatedly or leak the butt fusion, can mark on the pipe fitting after the butt fusion of general workman is accomplished, nevertheless still exist and leak the risk of marking, lead to the accident of leaking frequently, bring very big trouble for engineering acceptance. Therefore, the electromagnetic hot-melting steel-plastic pipe fitting capable of changing color after being heated is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an electromagnetic hot-melt steel-plastic pipe fitting capable of changing color after heating, and solves the problems brought by the background.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a pipe fitting is moulded to electromagnetic hot melt steel that adds heat back discolour, includes the pipe fitting main part of taking the bell and spigot, be equipped with the recess on the outer wall of pipe fitting main part, be provided with the temperature sensing labeling in the recess, correspond in the recess the position of the top of temperature sensing labeling is provided with the guard plate, the one end fixed connection of guard plate one side and fixed block, the other end fixed mounting of fixed block is in the one end of connecting axle, the outer wall cover of connecting axle is equipped with hollow cover, hollow cover fixed mounting is in the recess, the back of guard plate opposite side is equipped with the fixture block, correspond in the recess the position of fixture block is equipped with the concave block, the fixture block with concave block inner wall joint.

Preferably, the back of the temperature sensing label is provided with a pressure sensitive adhesive which is fixedly connected with the pipe fitting main body through the pressure sensitive adhesive, the temperature sensing label can change color after the surface temperature of the pipe fitting main body reaches a set value, the color change can be changed into fixed colors such as red, blue, black and the like from colorless, the color of the temperature sensing label is irreversible, the back of the temperature sensing label with the color change set value range of-DEG C is provided with a pressure sensitive adhesive, the temperature sensing label is fixedly connected with the pipe fitting main body through a pressure-sensitive adhesive, the color of the temperature sensing label pasted on the surface of the pipe fitting main body can be changed after the temperature reaches a set value, the color can be changed from colorless to fixed colors such as red, blue, black and the like, the color of the temperature sensing label is irreversible, the color change set value range of the temperature sensing label is 50-200 ℃, through the feedback of discolouing of the temperature sensing labeling that sets up, the workman can clearly know whether the pipeline hot melt is connected to cross to avoid because of the welding of relapseing or leak the water leakage accident that the welding caused.

Preferably, the guard plate is transparent state, and the guard plate that the guard plate was made by the PVC material is transparent state, and the guard plate is made by the PVC material, can play the effect of protection to the temperature sensing labeling through the transparent guard plate that sets up, avoids the temperature sensing labeling to receive the destruction.

Preferably, the fixed cover of outer wall of connecting axle is equipped with the spacing ring, the fixed cover of outer wall of the one end contact connecting axle of spacing ring and hollow cover is equipped with the spacing ring, the spacing ring contacts with the one end of hollow cover, can make the connecting axle avoid the skew through the spacing ring that sets up.

Preferably, the concave block is made of elastic plastic and fixedly mounted on the pipe fitting main body, and the clamping block can be clamped by the concave block made of elastic plastic.

Preferably, the height of the top surface of the protection plate is smaller than the depth of the groove.

Preferably, a steel sleeve is arranged on the inner wall of the pipe fitting main body. The steel sleeve is used for protecting the inner wall, so that the shape of the inner wall is finished after heating.

Preferably, the inner wall and the outer wall of the socket are connected with the inner wall and the outer wall of one end of the pipe in a heating mode through electromagnetic hot melting equipment.

The utility model provides an electromagnetic hot-melt steel-plastic pipe fitting capable of changing color after heating. The electromagnetic hot-melting steel-plastic pipe fitting capable of changing color after heating has the following beneficial effects:

(1) the electromagnetic hot-melt steel-plastic pipe fitting capable of changing color after being heated can change color after the surface temperature of the pipe fitting main body reaches a set value through the arranged temperature sensing label, and a worker can clearly know whether a pipeline is connected by hot melting or not through color change feedback, so that a water leakage accident caused by repeated welding or welding leakage is avoided;

(2) this electromagnetic hot melt steel-plastic pipe spare that heat back discolours makes fixture block and concave piece contact through the upset guard plate, because the concave piece is made by elastic plastic to can press from both sides the fixture block tight through the concave piece, can make the guard plate stable at last, be convenient for avoid the temperature sensing labeling to receive destruction to the temperature sensing labeling.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic cross-sectional view of the hollow shell of the present invention;

FIG. 4 is a schematic top view of the protective plate of the present invention;

fig. 5 is a schematic cross-sectional structural view of the pipe fitting body according to the present invention.

In the figure: the pipe fitting comprises a pipe fitting main body 1, a pipe 2, a socket 3, a steel sleeve 4, a temperature sensing label 5, a hollow sleeve 6, a limiting ring 7, a connecting shaft 8, a fixing block 9, a protection plate 10, a concave block 11 and a clamping block 12.

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.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1 to 5, the present invention provides a technical solution: an electromagnetic hot-melt steel-plastic pipe fitting capable of changing color after heating comprises a pipe fitting main body 1 with a bell and spigot 3, wherein a steel sleeve 4 is arranged on the inner wall of the pipe fitting main body 1, the inner wall and the outer wall of the bell and spigot 3 are connected with the inner wall and the outer wall of one end of a pipe 2 in a heating way through an electromagnetic hot-melt device, a groove is arranged on the outer wall of the pipe fitting main body 1, a temperature sensing label 5 is arranged in the groove, and pressure-sensitive adhesive is arranged on the back of the temperature sensing label 5, the temperature sensing label 5 can change color after the surface temperature of the pipe fitting main body 1 reaches a set value through the fixed connection of the pressure sensitive adhesive and the pipe fitting main body 1, the color change can be changed into fixed colors such as red, blue, black and the like from colorless, the color is irreversible, the color change set value range of the temperature sensing label 5 is 50-200 ℃, and workers can clearly know whether the pipeline is subjected to hot melting connection or not through the color change feedback of the temperature sensing label 5, so that the water leakage accident caused by repeated welding or welding leakage is avoided; the protection plate 10 is turned over to clamp the clamping block 12 and the concave block 11, so that the protection plate 10 is stable and is convenient to protect the temperature-sensing label 5 and prevent the temperature-sensing label 5 from being damaged, the protection plate 10 is arranged at a position in the groove corresponding to the upper part of the temperature-sensing label 5, the protection plate 10 is in a transparent state and is made of a PVC material, the top surface of the protection plate 10 is smaller than the depth of the groove, one side of the protection plate 10 is fixedly connected with one end of the fixing block 9, the other end of the fixing block 9 is fixedly arranged at one end of the connecting shaft 8, the outer wall of the connecting shaft 8 is fixedly sleeved with the limiting ring 7, the limiting ring 7 is contacted with one end of the hollow sleeve 6, the outer wall of the connecting shaft 8 is sleeved with the hollow sleeve 6, the hollow sleeve 6 is fixedly arranged in the groove, the back of the other side of the protection plate 10 is provided with the clamping block 12, the concave block 11 is arranged at a position corresponding to the clamping block 12 in the groove, and is clamped with the inner wall of the concave block 11, the female block 11 is made of a resilient plastic.

When the electromagnetic hot-melt steel-plastic pipe fitting capable of changing color after heating is used, after the pipe fitting main body 1 and the pipe 2 are connected through electromagnetic hot melting, the color can be changed after the surface temperature of the pipe fitting main body 1 reaches a set value through the arranged temperature sensing label 5, and through color change feedback, a worker can clearly know whether a pipeline is connected through hot melting or not, so that the water leakage accident caused by repeated welding or welding leakage is avoided; the clamping block 12 is in contact with the concave block 11 through the overturning protection plate 10, and the concave block 11 is made of elastic plastic, so that the clamping block 12 can be clamped tightly through the concave block 11, and finally the protection plate 10 can be stable, so that the temperature sensing label 5 is protected, and the temperature sensing label 5 is prevented from being damaged.

In conclusion, through the color change feedback of the temperature sensing label 5, a worker can clearly know whether the pipeline is subjected to hot melting connection, so that the water leakage accident caused by repeated welding or welding leakage is avoided; the clamping block 12 and the concave block 11 are clamped tightly through the overturning protection plate 10, so that the protection plate 10 is stable, the temperature sensing label 5 is protected conveniently, and the temperature sensing label 5 is prevented from being damaged.

It is noted that, herein, relational terms such as first and second, and the like may 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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pipe fitting is moulded to electromagnetic hot melt steel that heating back discolours, includes pipe fitting main part (1) of taking bell and spigot (3), its characterized in that: be equipped with the recess on the outer wall of pipe fitting main part (1), be provided with temperature sensing label (5) in the recess, correspond in the recess the position of the top of temperature sensing label (5) is provided with guard plate (10), the one end fixed connection of guard plate (10) one side and fixed block (9), the other end fixed mounting of fixed block (9) is in the one end of connecting axle (8), the outer wall cover of connecting axle (8) is equipped with hollow cover (6), hollow cover (6) fixed mounting be in the recess, the back of guard plate (10) opposite side is equipped with fixture block (12), correspond in the recess the position of fixture block (12) is equipped with concave block (11), fixture block (12) with concave block (11) inner wall joint.

2. The electromagnetic hot-melt steel-plastic pipe fitting capable of changing color after being heated according to claim 1, wherein: the back of the temperature sensing label (5) is provided with a pressure sensitive adhesive and is fixedly connected with the pipe fitting main body (1) through the pressure sensitive adhesive, the temperature sensing label (5) can change color after the surface temperature of the pipe fitting main body (1) reaches a set value, the color change can be changed from colorless to fixed colors such as red, blue and black, the color is irreversible, and the color change set value range of the temperature sensing label (5) is 50-200 ℃.

3. The electromagnetic hot-melt steel-plastic pipe fitting capable of changing color after being heated according to claim 1, wherein: the protection plate (10) is in a transparent state, and the protection plate (10) is made of PVC materials.

4. The electromagnetic hot-melt steel-plastic pipe fitting capable of changing color after being heated according to claim 1, wherein: the outer wall of the connecting shaft (8) is fixedly sleeved with a limiting ring (7), and the limiting ring (7) is in contact with one end of the hollow sleeve (6).

5. The electromagnetic hot-melt steel-plastic pipe fitting capable of changing color after being heated according to claim 1, wherein: the concave block (11) is made of elastic plastic.

6. The electromagnetic hot-melt steel-plastic pipe fitting capable of changing color after being heated according to claim 1, wherein: the height of the top surface of the protection plate (10) is smaller than the depth of the groove.

7. The electromagnetic hot-melt steel-plastic pipe fitting capable of changing color after being heated according to claim 1, wherein: and a steel sleeve (4) is arranged on the inner wall of the pipe fitting main body (1).

8. The electromagnetic hot-melt steel-plastic pipe fitting capable of changing color after being heated according to claim 1, wherein: the inner wall and the outer wall of the socket (3) are connected with the inner wall and the outer wall of one end of the pipe (2) in a heating mode through electromagnetic hot melting equipment.