Leakage-proof device at splicing position of heat supply pipe network

Abstract

The utility model relates to the technical field of heat supply pipe networks, and discloses a heat supply pipe network splicing position leakage-proof device which comprises a left pipeline, a right pipeline, a left pipeline and a right pipeline. The sealing pipe fixedly penetrates through the inner wall of the right end of the left pipeline; the right pipeline fixedly penetrates through the outer wall of the right end of the sealing pipe; connecting assemblies are arranged on the outer walls of the left pipeline and the right pipeline. According to the leakage-proof device for the splicing position of the heat supply pipe network, the left pipeline and the right pipeline are clamped to the two ends of the sealing pipe correspondingly, the inner side of the connecting position of the left pipeline and the right pipeline is sealed, the upper sealing outer plate and the lower sealing outer plate are connected with the sealing inner plates to be clamped to the front and rear sides of the left pipeline and the right pipeline correspondingly, and the connecting position is surrounded; the upper sealing outer plate and the lower sealing outer plate are clamped to the upper side and the lower side of the connecting position of the left pipeline and the right pipeline correspondingly, two-layer surrounding is conducted on the connecting position, the two-layer surrounding connecting position is arranged in a staggered mode, the sealing performance of the connecting position is further improved, and the sealing pipe stability is improved by clamping the clamping grooves in the inner surface of the sealing inner plate to the sealing rings.

Description

Technical Field

[0001] The utility model relates to the technical field of heating pipe networks, in particular to a leakage prevention device at a joint of a heating pipe network. Background Art

[0002] The heating network is the heat pipe network, also known as the heat pipe. It is a heating pipe that starts from the boiler room, direct-fired machine room, heating center, etc. and goes from the heat source to the heat entrance of the building. Multiple heating pipes form a pipe network. During the use of the heat pipe network, the pipes will inevitably have problems such as corrosion and cracks.

[0003] According to Chinese patent CN219389018U, a heating pipe leak prevention device is disclosed, which includes a bottom shell and a top shell. The bottom shell and the top shell are both arranged in a semicircular structure. The inner walls of the bottom shell and the top shell are jointly provided with a leak prevention installation groove. The ends of the bottom shell and the top shell close to each other are jointly rotatably connected with a hinge, so that the leakage of the heating pipe can be quickly repaired.

[0004] In the above patents, the joints of the sealing structures are all at the same position. When there is a problem with the pipeline, leakage is likely to occur through this position, thereby reducing the sealing and leak-proof effect. To this end, we provide a leak-proof device for the joints of a heating pipe network. Utility Model Content

[0005] The utility model aims to provide a leakage prevention device for the joint of a heating pipe network to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a leakage prevention device for a joint of a heating pipe network, comprising: a left pipe;

[0007] A sealing pipe is fixedly passed through the inner wall of the right end of the left pipeline;

[0008] A right pipe is fixedly passed through the outer wall of the right end of the sealing pipe;

[0009] The connecting assembly is arranged on the outer wall of the left pipe and the right pipe; the connecting assembly comprises a sealing part clamped on the outer wall of the left pipe and the right pipe, the sealing part is connected with a positioning part, and the positioning part is connected with a fixing part.

[0010] Preferably, the sealing part includes a sealing ring fixedly connected to the outer wall of the sealing tube, the outer end of the sealing ring is clamped in a groove opened on the inner wall of the sealing inner plate, the sealing inner plate is fixedly connected in a groove opened on the inner surface of the sealing outer plate, and an extension plate on the side of the sealing outer plate.

[0011] Preferably, the positioning portion includes a mounting plate fixedly connected to the front and rear sides of the sealing outer plate, a positioning rod passing through the top of the mounting plate, an adjustment groove is provided on the front side of the positioning rod, a spring positioning plate is slidably connected to the inner surface of the adjustment groove, a positioning block is fixedly connected to the bottom of the spring positioning plate, the positioning block is clamped on the inner surface of the positioning groove, the positioning groove is provided on the outer wall of the sealing outer plate, and sockets are provided on the upper and lower sides of the positioning rod.

[0012] Preferably, the fixing part includes a fixing plate fixedly connected to the outer wall of the sealing outer plate, a screw rod movably penetrates the top of the fixing plate, a sliding block is slidably connected to the outer wall of the screw rod, a movable plate is fixedly connected to the side of the sliding block, an insertion rod is fixedly connected to the bottom of the front and rear ends of the movable plate, and a control block is fixedly connected to the top of the screw rod.

[0013] Preferably, the number of the sealing inner plates is set to two, and the two sealing inner plates are respectively fixedly connected to the grooves opened on the inner surfaces of the upper and lower sealing outer plates. The two sealing inner plates are set to be front-to-back symmetrical, and the sealing inner plates are used to seal the connection between the left pipe, the sealing pipe and the right pipe front-to-back.

[0014] Preferably, the outer wall of the positioning rod and the mounting plate are arranged to be movably interpenetrating, so as to facilitate the installation and disassembly of the positioning rod.

[0015] Preferably, the middle end of the spring positioning plate is arranged in an arc shape, and the two ends are respectively movably penetrated in the adjustment grooves on the front and rear sides. The arc shape of the middle end is utilized to improve the fit with the surface of the sealing outer plate, and the spring positioning plate is conveniently separated from the positioning rod by movably penetrating the adjustment groove.

[0016] Preferably, the bottom end of the insertion rod movably passes through the insertion hole and presses against the top of the spring positioning plate, and the spring positioning plate is fixed by plugging the insertion rod into the insertion hole.

[0017] Compared with the prior art, the utility model provides a leakage prevention device for the joint of a heating pipe network, which has the following beneficial effects:

[0018] 1. The leak-proof device at the joint of the heating pipe network is configured such that the right end of the left pipe and the left end of the right pipe are respectively clamped at the two ends of the sealing pipe, and the sealing pipe is used to seal the inner side of the connection between the left pipe and the right pipe. At the same time, the sealing ring is used to improve the sealing of the outer connection. The upper and lower sealing outer plates are connected to the sealing inner plates, which are respectively clamped at the front and rear sides of the left pipe and the right pipe to surround the connection in one layer, and the upper and lower sealing outer plates are respectively clamped at the upper and lower sides of the connection between the left pipe and the right pipe to surround the connection in two layers. The staggered setting of the connection by the two layers further improves the sealing of the connection, and at the same time, the clamping groove on the inner surface of the sealing inner plate is clamped at the outer end of the sealing ring to improve the stability of the sealing ring.

[0019] 2. The leak-proof device at the joint of the heating pipe network has the positioning rods passing through the upper and lower mounting plates respectively, and the sealing outer plate is positioned. After the spring positioning plate is elastically bendable, the two ends are respectively inserted into the adjustment grooves. At the same time, the middle end of the spring positioning plate is attached to the outer surface of the sealing outer plate, and the bottom positioning block is connected and clamped in the positioning groove to fix the sealing outer plate.

[0020] 3. The leak-proof device at the joint of the heating pipe network rotates the screw through the control block, so that the sliding block moves down on the outer wall of the screw, and the sliding block drives the movable plates on both sides to move down, and the movable plates drive the plug rod to move down and pass through the sockets at both ends of the positioning rod respectively, and then press the spring positioning plate to fix the spring positioning plate, thereby fixing the mounting plate, thereby completing the sealing installation and facilitating subsequent disassembly and assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the sealing structure of the utility model;

[0023] Figure 3 This is a schematic diagram of the positioning part structure of the utility model;

[0024] Figure 4 It is a schematic diagram of the structure of the fixing part of the utility model.

[0025] In the figure: left pipe 1, sealing pipe 2, right pipe 3, connecting assembly 4, sealing part 41, sealing ring 411, sealing inner plate 412, slot 413, sealing outer plate 414, groove 415, extension plate 416, positioning part 42, mounting plate 421, positioning rod 422, adjusting slot 423, spring positioning plate 425, positioning block 426, positioning slot 427, jack 428, fixing part 43, fixing plate 431, screw 432, sliding block 433, movable plate 434, insertion rod 435, control block 436. DETAILED DESCRIPTION

[0026] 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.

[0027] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] Example 1

[0029] The utility model provides a leak-proof device for the joint of the heating pipe network, such as Figures 1 to 4 Shown: A leak-proof device for a joint of a heating pipe network, comprising: a left pipe 1;

[0030] A sealing pipe 2 is fixedly passed through the inner wall of the right end of the left pipe 1;

[0031] A right pipe 3 is fixedly passed through the outer wall of the right end of the sealing pipe 2;

[0032] The connecting assembly 4 is arranged on the outer wall of the left pipe 1 and the right pipe 3 ; the connecting assembly 4 comprises a sealing portion 41 clamped on the outer wall of the left pipe 1 and the right pipe 3 , the sealing portion 41 is connected to a positioning portion 42 , and the positioning portion 42 is connected to a fixing portion 43 .

[0033] The sealing portion 41 includes a sealing ring 411 fixedly connected to the outer wall of the sealing tube 2, the outer end of the sealing ring 411 is clamped in a groove 413 opened on the inner wall of the sealing inner plate 412, the sealing inner plate 412 is fixedly connected in a groove 415 opened on the inner surface of the sealing outer plate 414, and an extension plate 416 on the side of the sealing outer plate 414.

[0034] In this embodiment, the number of the sealing inner plates 412 is set to two, and the two sealing inner plates 412 are respectively fixedly connected to the grooves 415 opened on the inner surfaces of the upper and lower sealing outer plates 414. The two sealing inner plates 412 are set to be front-to-back symmetrical, and the sealing inner plates 412 are used to seal the connection between the left pipe 1, the sealing pipe 2, and the right pipe 3 front-to-back.

[0035] Example 2

[0036] On the basis of Example 1, the leak-proof device for the joint of the heating pipe network provided by the utility model is as follows: Figures 1 to 4As shown: the positioning part 42 includes a mounting plate 421 fixedly connected to the front and rear sides of the sealing outer plate 414, a positioning rod 422 passes through the top of the mounting plate 421, an adjustment groove 423 is provided on the front of the positioning rod 422, a spring positioning plate 425 is slidably connected to the inner surface of the adjustment groove 423, a positioning block 426 is fixedly connected to the bottom of the spring positioning plate 425, the positioning block 426 is clamped on the inner surface of the positioning groove 427, the positioning groove 427 is provided on the outer wall of the sealing outer plate 414, and sockets 428 are provided on the upper and lower sides of the positioning rod 422.

[0037] In this embodiment, the outer wall of the positioning rod 422 and the mounting plate 421 are arranged to be movably interpenetrated, so as to facilitate the installation and disassembly of the positioning rod 422 .

[0038] Furthermore, the middle end of the spring positioning plate 425 is configured to be arc-shaped, and both ends are movably inserted into the adjustment grooves 423 on the front and rear sides respectively. The arc-shaped setting of the middle end is utilized to improve the fit with the surface of the sealing outer plate 414, and at the same time, the spring positioning plate 425 is conveniently separated from the positioning rod 422 by movably passing through the adjustment groove 423.

[0039] Example 3

[0040] On the basis of Example 1, the leak-proof device for the joint of the heating pipe network provided by the utility model is as follows: Figures 1 to 4 As shown: the fixed part 43 includes a fixed plate 431 fixedly connected to the outer wall of the sealing outer plate 414, a screw 432 movably penetrates the top of the fixed plate 431, a sliding block 433 is slidably connected to the outer wall of the screw 432, a movable plate 434 is fixedly connected to the side of the sliding block 433, an insertion rod 435 is fixedly connected to the bottom of the front and rear ends of the movable plate 434, and a control block 436 is fixedly connected to the top of the screw 432.

[0041] In this embodiment, the bottom end of the insertion rod 435 movably passes through the insertion hole 428 and presses against the top of the spring positioning plate 425 , and the spring positioning plate 425 is fixed by plugging the insertion rod 435 into the insertion hole 428 .

[0042] In actual operation, when this device is used, the right end of the left pipe 1 and the left end of the right pipe 3 are respectively clamped on the two ends of the outer wall of the sealing tube 2, and the sealing tube 2 is used to seal the inner side of the connection between the left pipe 1 and the right pipe 3. At the same time, the sealing ring 411 is used to improve the sealing of the outer connection. The upper and lower sealing outer plates 414 are connected to the sealing inner plate 412, which are respectively clamped on the front and rear sides of the left pipe 1 and the right pipe 3 to surround the connection in one layer, and the upper and lower sealing outer plates 414 are respectively clamped on the upper and lower sides of the connection between the left pipe 1 and the right pipe 3 to surround the connection in two layers. The staggered setting of the connection of the two layers of encirclement circles further improves the sealing of the connection. At the same time, the clamping groove 413 on the inner surface of the sealing inner plate 412 is clamped on the outer end of the sealing ring 411 to improve the stability of the sealing tube 2.

[0043] The four positioning rods 422 are respectively passed through the upper and lower mounting plates 421 to position the sealing outer plate 414. After the spring positioning plate 425 is elastically bendable, the two ends are respectively inserted into the adjustment grooves 423. At the same time, the middle end of the spring positioning plate 425 is attached to the outer surface of the sealing outer plate 414, and the bottom positioning block 426 is connected and clamped in the positioning groove 427 to fix the sealing outer plate 414; the screw rod 432 is rotated by the control block 436 to make the sliding block 433 move down on the outer wall of the screw rod 432, and the sliding block 433 drives the movable plates 434 on both sides to move down, and the movable plates 434 drive the insertion rod 435 to move and pass through the jacks 428 at both ends of the positioning rod 422, and then press the spring positioning plate 425 to fix the spring positioning plate 425, thereby fixing the mounting plate 421 and the sealing outer plate 414, thereby completing the sealing installation and facilitating subsequent disassembly and assembly.

[0044] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A leak-proof device for a joint of a heating pipe network, comprising: Left pipe (1); A sealing tube (2) is fixedly passed through the inner wall of the right end of the left pipeline (1); A right pipe (3) is fixedly passed through the outer wall of the right end of the sealing pipe (2); The invention is characterized in that: a connection component (4) is arranged on the outer wall of the left pipe (1) and the right pipe (3); the connection component (4) comprises a sealing portion (41) clamped on the outer wall of the left pipe (1) and the right pipe (3); the sealing portion (41) is connected to a positioning portion (42); and the positioning portion (42) is connected to a fixing portion (43).

2. A leak-proof device for joints of a heating pipe network according to claim 1, characterized in that: The sealing portion (41) comprises a sealing ring (411) fixedly connected to the outer wall of the sealing tube (2), the outer end of the sealing ring (411) being clamped in a clamping groove (413) provided on the inner wall of the sealing inner plate (412), the sealing inner plate (412) being fixedly connected in a groove (415) provided on the inner surface of the sealing outer plate (414), and an extension plate (416) on the side of the sealing outer plate (414).

3. A leak-proof device for joints of a heating pipe network according to claim 1, characterized in that: The positioning portion (42) includes a mounting plate (421) fixedly connected to the front and rear sides of the sealing outer plate (414); a positioning rod (422) passes through the top of the mounting plate (421); an adjusting groove (423) is provided on the front of the positioning rod (422); a spring positioning plate (425) is slidably connected to the inner surface of the adjusting groove (423); a positioning block (426) is fixedly connected to the bottom of the spring positioning plate (425); the positioning block (426) is clamped on the inner surface of a positioning groove (427); the positioning groove (427) is provided on the outer wall of the sealing outer plate (414); and insertion holes (428) are provided on the upper and lower sides of the positioning rod (422).

4. A leak-proof device for joints of a heating pipe network according to claim 1, characterized in that: The fixing portion (43) comprises a fixing plate (431) fixedly connected to the outer wall of the sealing outer plate (414); a screw rod (432) movably penetrates the top of the fixing plate (431); a sliding block (433) is slidably connected to the outer wall of the screw rod (432); a movable plate (434) is fixedly connected to the side of the sliding block (433); a plug rod (435) is fixedly connected to the bottom of the front and rear ends of the movable plate (434); and a control block (436) is fixedly connected to the top of the screw rod (432).

5. A leak-proof device for joints of a heating pipe network according to claim 2, characterized in that: The number of the sealing inner plates (412) is set to two, and the two sealing inner plates (412) are respectively fixedly connected to the grooves (415) opened on the inner surfaces of the upper and lower sealing outer plates (414), and the two sealing inner plates (412) are set to be symmetrical front and back.

6. A leak-proof device for joints of a heating pipe network according to claim 3, characterized in that: The outer wall of the positioning rod (422) and the mounting plate (421) are arranged to be movably interpenetrating.

7. A leak-proof device for joints of a heating pipe network according to claim 3, characterized in that: The middle end of the spring positioning plate (425) is arranged in an arc shape, and the two ends are movably inserted into the adjustment slots (423) at the front and rear sides respectively.

8. A leak-proof device for joints of a heating pipe network according to claim 4, characterized in that: The bottom end of the insertion rod (435) movably passes through the insertion hole (428) and presses against the top of the spring positioning plate (425).

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