End socket structure of plastic sleeve steel thermal insulation pipe

Abstract

The utility model discloses a plastic sleeve steel heat preservation pipe end socket structure which comprises a pipe body, a sealing cover and a lantern ring, the sealing cover is arranged at the upper end of the pipe body in a sleeved mode, the lantern ring is movably arranged on the surface of the pipe body in a sleeved mode, and arc-shaped pressing plates are movably embedded in the surfaces of the two sides of the interior of the lantern ring. According to the end socket structure of the plastic sleeve steel heat preservation pipe, in the process that the lantern ring is arranged on the surface of the pipe body in a sleeving mode, the locking block is inserted into the sliding groove, then the lantern ring is pressed downwards, the locking block extrudes the arc-shaped pressing plate upwards at the moment, and therefore the spring is made to contract, and when the arc-shaped pressing plate is pushed to the maximum degree, the lantern ring is rotated, external force for pressing the lantern ring is released, and the end socket structure of the plastic sleeve steel heat preservation pipe is formed. At the moment, the spring can push the arc-shaped pressing plate to descend, the arc-shaped pressing plate can be used for pressing the locking block in the locking groove, the lantern ring and the pipe body are locked, finally, the sealing cover covers the upper end of the pipe body and is rotated, the lower end of the sealing cover is rotated into the threaded groove of the lantern ring, and then the sealing cover is rapidly installed.

Description

Technical Field

[0001] The utility model relates to the technical field of thermal insulation pipe end caps, in particular to a plastic-jacketed steel thermal insulation pipe end cap structure. Background Art

[0002] The plastic-coated steel insulated pipe is composed of a working steel pipe, a foam insulation layer, and a polyethylene plastic outer protective pipe, which are combined outward in sequence through equipment. The head refers to a component used to seal the end of the container to isolate the internal and external media. The head structure will be used when sealing the plastic-coated steel insulated pipe.

[0003] However, the current plastic-sheathed steel insulated pipe head structure has some shortcomings. For example, the application number is 202321174377.X, which discloses "a plastic-sheathed steel insulated pipe head structure". When installing the sealing cover, multiple threaded rods need to be rotated, which is troublesome, and the fixing hoop is not convenient enough during installation. Utility Model Content

[0004] The main purpose of the utility model is to provide a plastic-sheathed steel insulation pipe head structure, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A plastic-sheathed steel insulated pipe head structure comprises a pipe body, a cover and a collar, wherein the upper end of the pipe body is sleeved with a cover, the surface of the pipe body is movably sleeved with a collar, and arc-shaped pressure plates are movably embedded on both sides of the inner surface of the collar.

[0007] Preferably, a handle is fixedly mounted on the upper surface of the cover and located in the middle, and a thread is provided on the surface of the cover and located at the lower end.

[0008] Preferably, a thread groove is provided at the inner upper end of the ring, lifting grooves are provided on the inner two side surfaces of the ring and below the thread groove, a locking groove is provided on the lower surface of one end of the lifting groove, and a sliding groove is provided on the lower surface of the other end of the lifting groove.

[0009] Preferably, the inner diameter of the thread groove is larger than the inner diameter of the collar, the arc-shaped pressing plate is movably embedded in the lifting groove, and rod grooves are provided on the inner upper surface of the lifting groove near both ends.

[0010] Preferably, a guide rod is fixedly mounted on the upper surface of the arc-shaped pressure plate and near both ends, the upper end of the guide rod extends into the rod groove, a stop block is fixedly mounted on the upper surface of the guide rod, and a spring is fixedly mounted on the upper surface of the stop block.

[0011] Preferably, locking blocks are fixedly installed on both side surfaces of the tube body and close to the upper end, and the locking blocks are embedded in the locking grooves.

[0012] Preferably, the lower end of the sealing cover is embedded in the thread groove of the collar.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] In the utility model, by arranging the tube body, the sealing cover, the collar and the arc-shaped pressure plate to cooperate with each other, when the collar is sleeved on the surface of the tube body, the locking block is inserted into the sliding groove, and then the collar is pressed downward, at which time the locking block will press the arc-shaped pressure plate upward, thereby causing the spring to contract; when the arc-shaped pressure plate is pushed to the maximum limit, the collar is rotated and the external force pressing the collar is released, at which time the spring will push the arc-shaped pressure plate down, so that the locking block can be pressed into the locking groove by the arc-shaped pressure plate, thereby locking the collar and the tube body; finally, the sealing cover is covered on the upper end of the tube body and the sealing cover is rotated, so that the lower end of the sealing cover is rotated into the threaded groove of the collar, thereby completing the quick installation of the sealing cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the installation of a plastic-sheathed steel insulation pipe head structure of the utility model;

[0016] Figure 2 This is a pipe body structure diagram of a plastic-sheathed steel insulation pipe head structure of the utility model;

[0017] Figure 3 This is a sealing structure diagram of a plastic-sheathed steel insulation pipe head structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the installation of a collar and an arc-shaped pressing plate of a plastic-sheathed steel insulation pipe head structure of the utility model;

[0019] Figure 5 This is a structural diagram of an arc-shaped pressure plate of a plastic-sheathed steel insulation pipe head structure of the utility model.

[0020] In the figure: 1, tube body; 101, locking block; 2, cover; 201, handle; 202, thread; 3, collar; 301, thread groove; 302, lifting groove; 303, locking groove; 304, slide groove; 4, arc pressure plate; 401, guide rod; 402, stop block; 403, spring. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] like Figure 1-5The plastic-sheathed steel insulated pipe head structure shown includes a pipe body 1, a cover 2 and a ring 3. The upper end of the pipe body 1 is sleeved with the cover 2, the surface of the pipe body 1 is movably sleeved with the ring 3, and the inner two side surfaces of the ring 3 are movably embedded with arc-shaped pressure plates 4.

[0023] A handle 201 is fixedly installed on the upper surface of the cover 2 and located in the middle, and a thread 202 is provided on the surface of the cover 2 and located at the lower end, and the cover 2 can be conveniently rotated by using the handle 201; a thread groove 301 is provided on the inner upper end of the ring 3, and lifting grooves 302 are provided on the inner two side surfaces of the ring 3 and located below the thread groove 301, a locking groove 303 is provided on the lower surface of one end of the lifting groove 302, and a sliding groove 304 is provided on the lower surface of the other end of the lifting groove 302, and the locking groove 303 cooperates with the locking block 101 to lock the ring 3 on the surface of the tube body 1; the inner diameter of the thread groove 301 is larger than the inner diameter of the ring 3, and the arc The arc pressure plate 4 is movably embedded in the lifting groove 302, and a rod groove is opened on the inner upper surface of the lifting groove 302 near both ends; a guide rod 401 is fixedly installed on the upper surface of the arc pressure plate 4 near both ends, and the upper end of the guide rod 401 extends into the rod groove, and a stop block 402 is fixedly installed on the upper surface of the guide rod 401, and a spring 403 is fixedly installed on the upper surface of the stop block 402, and the spring 403 has a downward thrust on the stop block 402; locking blocks 101 are fixedly installed on both side surfaces of the tube body 1 near the upper end, and the locking blocks 101 are embedded in the locking groove 303; the lower end of the cover 2 is embedded in the threaded groove 301 of the ring 3.

[0024] It should be noted that the utility model is a plastic-sheathed steel insulated pipe head structure. When in use, when the ring 3 is sleeved on the surface of the pipe body 1, the locking block 101 is inserted into the slide groove 304, and then the ring 3 is pressed downward. At this time, the locking block 101 will squeeze the arc pressure plate 4 upward, thereby causing the spring 403 to contract. When the arc pressure plate 4 is pushed to the maximum limit, the ring 3 is rotated and the external force pressing the ring 3 is released. At this time, the spring 403 will push the arc pressure plate 4 down, so that the locking block 101 can be pressed into the locking groove 303 by the arc pressure plate 4, so that the ring 3 and the pipe body 1 are locked, and finally the cover 2 is covered on the upper end of the pipe body 1 and the cover 2 is rotated so that the lower end of the cover 2 is rotated into the threaded groove 301 of the ring 3, thereby completing the quick installation of the cover 2.

[0025] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A plastic-sheathed steel insulation pipe head structure, characterized in that: The invention comprises a tube body (1), a sealing cover (2) and a collar (3); the upper end of the tube body (1) is sleeved with the sealing cover (2); the surface of the tube body (1) is movably sleeved with the collar (3); and arc-shaped pressing plates (4) are movably embedded in the inner surfaces of both sides of the collar (3).

2. The plastic-jacketed steel insulated pipe head structure according to claim 1 is characterized in that: A handle (201) is fixedly mounted on the upper surface of the cover (2) and located in the middle, and a thread (202) is provided on the surface of the cover (2) and located at the lower end.

3. The plastic-jacketed steel insulated pipe head structure according to claim 2 is characterized in that: A thread groove (301) is provided at the inner upper end of the collar (3), and lifting grooves (302) are provided on both inner side surfaces of the collar (3) and below the thread groove (301). A locking groove (303) is provided on the lower surface of one end of the lifting groove (302), and a sliding groove (304) is provided on the lower surface of the other end of the lifting groove (302).

4. The plastic-jacketed steel insulated pipe head structure according to claim 3 is characterized by: The inner diameter of the thread groove (301) is larger than the inner diameter of the collar (3); the arc-shaped pressing plate (4) is movably embedded in the lifting groove (302); and rod grooves are provided on the inner upper surface of the lifting groove (302) and near both ends.

5. The plastic-jacketed steel insulated pipe head structure according to claim 4 is characterized in that: A guide rod (401) is fixedly mounted on the upper surface of the arc-shaped pressure plate (4) and near both ends, the upper end of the guide rod (401) extends into the rod groove, a stop block (402) is fixedly mounted on the upper surface of the guide rod (401), and a spring (403) is fixedly mounted on the upper surface of the stop block (402).

6. The plastic-jacketed steel insulation pipe head structure according to claim 5 is characterized in that: Locking blocks (101) are fixedly mounted on both side surfaces of the tube body (1) and close to the upper end, and the locking blocks (101) are embedded in the locking grooves (303).

7. The plastic-jacketed steel insulated pipe head structure according to claim 6 is characterized in that: The lower end of the sealing cover (2) is embedded in the thread groove (301) of the collar (3).

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