Heat supply pipeline instrument assembly convenient to overhaul

Abstract

The utility model discloses a heat supply pipeline instrument assembly convenient to overhaul, and relates to the technical field of pipeline instrument overhaul, the heat supply pipeline instrument assembly comprises a pipe body, a fixed pipe is arranged at the top of the pipe body in a penetrating mode, and a threaded groove is formed in the top of the inner wall of the fixed pipe; a threaded protrusion is arranged on the outer side wall of the hollow pipe, and the threaded protrusion is matched with the threaded groove; the transmission block is arranged at the top of the hollow pipe; the multiple limiting rods are circularly arranged at the top of the transmission block at equal intervals; and the connecting plate is arranged on the outer side walls of the multiple limiting rods in a sliding and sleeving manner. When the instrument body is overhauled, limitation on the connecting plate is relieved through the limiting assembly, the connecting plate can be detached, then the instrument body is overhauled, through rotation of the transmission block, the transmission assembly is matched, rising of the sealing assembly is achieved, then the fixing pipe is sealed, and the instrument assembly can be integrally detached; and maintaining the probe of the instrument assembly.

Description

Technical Field

[0001] The invention relates to the technical field of pipeline instrument maintenance, and in particular to a heating pipeline instrument component which is convenient for maintenance. Background Art

[0002] The heating pipeline is a pipeline that starts from the boiler room, direct-fired machine room, heating center, etc. and leads from the heat source to the thermal entrance of the building. In order to monitor the hot water flow, temperature, pressure and other parameters inside the pipeline, it is necessary to add detection instruments to the heating pipeline. During the operation of the heating pipeline, the flow of internal hot water is not conducive to the removal of the detection instrument, and thus a heating pipeline instrument assembly that is easy to maintain is needed.

[0003] In the prior art, during the operation of a general instrument, it is necessary to place the probe and other components of the instrument assembly into a heating pipe, and a simple sealing treatment is used between the instrument assembly and the heating pipe. Therefore, when inspecting the probe or other parts of the instrument, it is necessary to close the valve on the heating pipe, resulting in heating interruption. Summary of the invention

[0004] The object of the present invention is to provide a heating pipeline instrument component that is easy to repair, so as to solve the technical problems in the prior art.

[0005] The present invention provides a heating pipeline instrument assembly that is convenient for maintenance, comprising:

[0006] A tube body, a fixing tube is provided through the top of the tube body, and a thread groove is provided on the top of the inner wall of the fixing tube;

[0007] A hollow tube, wherein the outer wall of the hollow tube is provided with a threaded protrusion, and the threaded protrusion and the threaded groove are adapted;

[0008] A transmission block, wherein the transmission block is arranged on the top of the hollow tube;

[0009] A plurality of limiting rods, wherein the plurality of limiting rods are equidistantly arranged in a circular shape on the top of the transmission block;

[0010] A connecting plate, wherein the connecting plate is slidably sleeved on the outer side walls of the plurality of limiting rods;

[0011] A limiting assembly, wherein the limiting assembly is slidably disposed on the side wall of the connecting plate and is used to cooperate with the limiting rod to fix the connecting plate;

[0012] A metal bellows, wherein the metal bellows is arranged on the top of the connecting plate, and an instrument body is arranged on the top of the metal bellows;

[0013] A sealing assembly, the sealing assembly is arranged on the inner side wall of the hollow tube, and the sealing assembly is used to seal the hollow tube;

[0014] The transmission assembly is arranged at the bottom of the transmission block, and the transmission assembly is connected to the sealing assembly.

[0015] Preferably, the limiting component comprises:

[0016] A slide groove, wherein the slide groove is provided on the outer side wall of the connecting plate;

[0017] A plurality of sliders, wherein the plurality of sliders are slidably disposed in the slide groove;

[0018] A connecting ring, wherein the connecting ring and the plurality of sliding blocks are fixed;

[0019] A plurality of fixing plates are fixed on the inner side wall of the connecting ring at equal distances, a latch is fixed on the side wall of each fixing plate, a socket is formed on the side wall of each limiting rod, and the socket and the latch are matched, and a baffle is fixed on the outer side wall of each limiting rod.

[0020] Preferably, the sealing assembly comprises:

[0021] Mounting plates, two of which are fixed on the inner wall of the fixed tube;

[0022] Two connecting rods, the two connecting rods are slidably inserted on the top of the mounting plate;

[0023] A sealing plate, which is fixed to the bottom of the two connecting rods and is adapted to fit the fixing pipe;

[0024] A rubber plate is arranged at the bottom of the sealing plate, and a diameter of the rubber plate is greater than a diameter of the sealing plate.

[0025] Preferably, the transmission assembly comprises:

[0026] A prism, wherein the prism is arranged at the bottom of the transmission block;

[0027] A screw rod, a polygonal groove is formed on the top of the screw rod, and a prism is inserted into the polygonal groove. The screw rod and the sealing plate are rotatably connected. A threaded hole is formed on the top of the mounting plate, and the threaded hole and the screw rod are adapted.

[0028] Preferably, flanges are provided at both ends of the tube body.

[0029] Preferably, it also includes:

[0030] A handle is arranged on the outer side wall of the connecting ring.

[0031] Compared with the prior art, the beneficial effects of the present invention are:

[0032] The present invention provides a transmission assembly, a transmission block, a connecting plate, a limiting assembly and a limiting shaft, so that when the meter body is inspected and repaired, the limiting assembly can release the restriction on the connecting plate, so that the connecting plate can be removed and the meter body can be inspected and repaired. By rotating the transmission block and cooperating with the transmission assembly, the sealing assembly can be raised and the sealing fixed pipe can be removed as a whole. During the operation of the heating pipeline, the probe of the meter assembly can be inspected and repaired. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0034] Figure 1 It is a three-dimensional structural schematic diagram of the present invention;

[0035] Figure 2 The present invention Figure 1 A schematic diagram of the partially enlarged structure at center A;

[0036] Figure 3 It is a schematic diagram of the cross-sectional structure of the tube body of the present invention;

[0037] Figure 4 It is a schematic diagram of the cross-sectional structure of the hollow tube and the screw rod of the present invention.

[0038] Reference numerals:

[0039] 1. Tube body; 2. Flange; 3. Fixed tube; 4. Transmission block; 5. Instrument body; 6. Connecting plate; 7. Slide groove; 8. Slider; 9. Connecting ring; 10. Handle; 11. Fixed plate; 12. Latch; 13. Limiting rod; 14. Sealing plate; 15. Rubber plate; 16. Screw rod; 17. Mounting plate; 18. Hollow tube; 19. Metal bellows; 20. Baffle; 21. Prism; 22. Connecting rod. DETAILED DESCRIPTION

[0040] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0041] The components of the embodiments of the present invention generally described and shown in the drawings herein may be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention.

[0042] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative work shall fall within the scope of protection of the present invention.

[0043] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0044] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0045] Combine the following Figures 1 to 4 As shown, an embodiment of the present invention provides a heating pipeline instrument assembly that is easy to repair, including:

[0046] The tube body 1 has a fixing tube 3 extending through the top of the tube body 1, and a threaded groove is formed on the top of the inner wall of the fixing tube 3;

[0047] A hollow tube 18, wherein the outer wall of the hollow tube 18 is provided with a threaded protrusion, and the threaded protrusion and the threaded groove are adapted;

[0048] Transmission block 4, which is arranged on the top of the hollow tube 18;

[0049] A plurality of limiting rods 13, wherein the plurality of limiting rods 13 are arranged in a circular shape with equal distances on the top of the transmission block 4;

[0050] A connecting plate 6, the connecting plate 6 is slidably sleeved on the outer side walls of the plurality of limiting rods 13;

[0051] A limiting component, which is slidably disposed on the side wall of the connecting plate 6, and is used to cooperate with the limiting rod 13 to fix the connecting plate 6;

[0052] A metal bellows 19, which is arranged on the top of the connecting plate 6, and the instrument body 5 is arranged on the top of the metal bellows 19;

[0053] A sealing assembly, which is disposed on the inner wall of the hollow tube 18 and is used to seal the hollow tube 18;

[0054] The transmission assembly is arranged at the bottom of the transmission block 4, and the transmission assembly is connected to the sealing assembly.

[0055] When the meter body 5 is inspected, the restriction on the connecting plate 6 is released by the restriction component, and the connecting plate 6 can be removed, and then the meter body 5 can be inspected;

[0056] By rotating the transmission block 4 and cooperating with the transmission assembly, the sealing assembly is lifted up, thereby sealing the fixed pipe 3, and the instrument assembly can be completely removed. During the operation of the heating pipeline, the probe of the instrument assembly can be inspected and repaired.

[0057] Further, restricted components include:

[0058] A chute 7, which is provided on the outer side wall of the connecting plate 6;

[0059] A plurality of slide blocks 8, wherein the plurality of slide blocks 8 are slidably disposed in the slide groove 7;

[0060] A connecting ring 9, the connecting ring 9 and the plurality of slide blocks 8 are fixed;

[0061] Multiple fixing plates 11 are fixed on the inner wall of the connecting ring 9 at equal distances, a latch 12 is fixed to the side wall of each fixing plate 11, a socket is opened on the side wall of each limiting rod 13, and the socket and the latch 12 are adapted, and a baffle 20 is fixed to the outer wall of each limiting rod 13.

[0062] When the instrument body 5 needs to be inspected and repaired, it is only necessary to turn the handle 10 to drive the connecting ring 9 to rotate. During the rotation of the connecting ring 9, the fixing plate 11 drives the pin 12 to leave the socket on the limiting rod 13. With the deformation of the metal bellows 19, the connecting plate 6 can be removed from the limiting rod 13, and the instrument body 5 can be inspected and repaired.

[0063] Further, the sealing assembly comprises:

[0064] Mounting plates 17, the mounting plates 17 are fixed on the inner wall of the fixed tube 3;

[0065] Two connecting rods 22, the two connecting rods 22 are slidably inserted on the top of the mounting plate 17;

[0066] The sealing plate 14 is fixed to the bottom of the two connecting rods 22, and the sealing plate 14 is adapted to the fixed pipe 3;

[0067] The rubber plate 15 is arranged at the bottom of the sealing plate 14 , and the diameter of the rubber plate 15 is greater than the diameter of the sealing plate 14 .

[0068] Furthermore, the transmission assembly includes:

[0069] A prism 21, wherein the prism 21 is arranged at the bottom of the transmission block 4;

[0070] The screw rod 16 has a polygonal groove on the top thereof, and the prism 21 is inserted into the polygonal groove. The screw rod 16 is rotatably connected to the sealing plate 14 . A threaded hole is provided on the top of the mounting plate 17 , and the threaded hole is adapted to the screw rod 16 .

[0071] During the rotation of the transmission block 4, the screw rod 16 is driven to rotate through the prism 21, and the threaded hole on the mounting plate 17 is cooperated to realize the rising of the sealing plate 14 until the sealing plate 14 and the fixed tube 3 are in contact, and the sealing treatment between the fixed tube 3 and the tube body 1 is realized through the deformation of the rubber plate 15. When the hollow tube 18 and the fixed tube 3 are separated, the transmission block 4 can be taken out, and then the instrument body 5 on the transmission block 4 and the probe under the transmission block 4 can be taken out, so that the instrument assembly can be repaired during the operation of the heating pipeline.

[0072] Furthermore, flanges 2 are provided at both ends of the tube body 1 .

[0073] Furthermore, it also includes:

[0074] The handle 10 is arranged on the outer side wall of the connecting ring 9 .

[0075] The specific working methods are:

[0076] When the meter body 5 needs to be repaired, the handle 10 is turned to drive the connecting ring 9 to rotate. During the rotation of the connecting ring 9, the fixing plate 11 drives the latch 12 to leave the insertion hole on the limiting rod 13. With the deformation of the metal bellows 19, the connecting plate 6 can be removed from the limiting rod 13, and the meter body 5 can be repaired.

[0077] When inspecting the probe, firstly twist the transmission block 4 to realize the rise of the hollow tube 18 through the threaded protrusion on the hollow tube 18 and the threaded groove on the fixed tube 3;

[0078] During the rotation of the transmission block 4, the screw rod 16 is driven to rotate through the prism 21, and the threaded hole on the mounting plate 17 is cooperated to realize the rising of the sealing plate 14 until the sealing plate 14 and the fixed tube 3 are in contact, and the sealing treatment between the fixed tube 3 and the tube body 1 is realized through the deformation of the rubber plate 15. When the hollow tube 18 and the fixed tube 3 are separated, the transmission block 4 can be taken out, and then the instrument body 5 on the transmission block 4 and the probe under the transmission block 4 can be taken out, so that the instrument assembly can be repaired during the operation of the heating pipeline.

[0079] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A heating pipeline instrument assembly that is easy to repair. It is characterized in that include: A tube body (1), wherein a fixing tube (3) is provided through the top of the tube body (1), and a thread groove is provided on the top of the inner wall of the fixing tube (3); A hollow tube (18), wherein the outer wall of the hollow tube (18) is provided with a threaded protrusion, and the threaded protrusion and the threaded groove are adapted to each other; A transmission block (4), wherein the transmission block (4) is arranged on the top of the hollow tube (18); A plurality of limiting rods (13), wherein the plurality of limiting rods (13) are arranged in a circular shape at equal distances on the top of the transmission block (4); A connecting plate (6), wherein the connecting plate (6) is slidably sleeved on the outer side walls of the plurality of limiting rods (13); A limiting component, the limiting component is slidably arranged on the side wall of the connecting plate (6), and the limiting component is used to cooperate with the limiting rod (13) to fix the connecting plate (6); A metal bellows (19), wherein the metal bellows (19) is arranged on the top of the connecting plate (6), and an instrument body (5) is arranged on the top of the metal bellows (19); A sealing assembly, the sealing assembly being arranged on the inner wall of the hollow tube (18), the sealing assembly being used to seal the hollow tube (18); A transmission assembly is arranged at the bottom of the transmission block (4), and the transmission assembly is connected to the sealing assembly.

2. A heating pipeline instrument assembly that is easy to repair according to claim 1, It is characterized in that The restriction components include: A slide groove (7), wherein the slide groove (7) is provided on the outer side wall of the connecting plate (6); A plurality of slide blocks (8), wherein the plurality of slide blocks (8) are all slidably disposed in the slide groove (7); A connecting ring (9), wherein the connecting ring (9) and the plurality of sliding blocks (8) are fixed; A plurality of fixing plates (11) are fixed on the inner wall of the connecting ring (9) at equal distances, a latch (12) is fixed to the side wall of each fixing plate (11), a plug hole is provided on the side wall of each limiting rod (13), and the plug hole and the latch (12) are matched, and a baffle (20) is fixed to the outer wall of each limiting rod (13).

3. A heating pipeline instrument assembly that is easy to repair according to claim 1, It is characterized in that The sealing assembly comprises: A mounting plate (17), wherein two mounting plates (17) are fixed on the inner wall of the fixed tube (3); Two connecting rods (22), the two connecting rods (22) are slidably inserted on the top of the mounting plate (17); A sealing plate (14), wherein the sealing plate (14) is fixed to the bottom of the two connecting rods (22), and the sealing plate (14) and the fixed pipe (3) are adapted to each other; A rubber plate (15) is arranged at the bottom of the sealing plate (14), and the diameter of the rubber plate (15) is greater than the diameter of the sealing plate (14).

4. A heating pipeline instrument assembly that is easy to repair according to claim 3, It is characterized in that The transmission assembly comprises: A prism (21), wherein the prism (21) is arranged at the bottom of the transmission block (4); A screw rod (16) is provided with a polygonal groove at the top of the screw rod (16), and a prism (21) is inserted into the polygonal groove. The screw rod (16) and the sealing plate (14) are rotatably connected. A threaded hole is provided at the top of the mounting plate (17), and the threaded hole and the screw rod (16) are adapted to each other.

5. A heating pipeline instrument assembly that is easy to repair according to claim 4, It is characterized in that Flanges (2) are provided at both ends of the tube body (1).

6. A heating pipeline instrument assembly that is easy to repair according to claim 4, It is characterized in that Also includes: A handle (10), wherein the handle (10) is arranged on the outer side wall of the connecting ring (9).

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