Building heating and ventilation pipeline closed connecting device

Abstract

The utility model relates to the field of pipeline closed connecting devices, and discloses a building heating and ventilation pipeline closed connecting device which comprises a pipeline body, one end of the pipeline body is fixedly connected with a first fixing ring, the other end of the pipeline body is fixedly connected with a second fixing ring, and a fixing assembly is arranged on the side wall of the second fixing ring. A sealing assembly is arranged in the second fixing ring. The fixing assembly comprises a positioning block, the side wall of the positioning block is fixedly connected to the side wall of the second fixing ring, the side wall of the positioning block is slidably connected into the first fixing ring, and an upper clamping sleeve is arranged on the side wall of the second fixing ring. According to the pipeline fixing device, a first fixing ring and a second fixing ring are close to each other, two pipelines are guided to be quickly aligned, an upper clamping sleeve and a lower clamping sleeve are clamped, a first clamping block slides into the fixing sleeve, a rotating block is rotated, a spring pushes a sliding rod to slide, a second clamping block slides into the first clamping block, and the fixing effect is further achieved; through the structure, the installation efficiency of equipment is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline closed connecting device field, especially pipeline closed connecting device for building heating and ventilation. BACKGROUND

[0002] In the building heating and ventilation system, the pipeline connecting device plays a vital role in ensuring the stable operation of the system. The building heating and ventilation pipeline needs to connect the heating, ventilation and air conditioning equipment into a complete system to realize the efficient transmission of heat, air and other media. Therefore, reliable pipeline closed connecting device is the key link to ensure the normal operation of the heating and ventilation system, avoid medium leakage, maintain system pressure stability and ensure effective use of energy.

[0003] In the prior art of building heating and ventilation pipeline connection, the commonly used is flange connection. The flange connection is to install flanges on both ends of the pipeline, fasten the two flanges with bolts, insert sealing gaskets in the middle of the flanges, and rely on the pressure generated by tightening the bolts to realize the tight connection between the pipelines, thereby ensuring the sealing.

[0004] The existing building heating and ventilation pipeline closed connecting device often needs to spend a lot of time when aligning two pipelines, repeatedly adjusting the position of the pipeline, reducing the construction efficiency, and when using flange connection, the process of installing bolts and tightening one by one needs to be operated repeatedly by the construction personnel, consuming a lot of energy, therefore a building heating and ventilation pipeline closed connecting device is proposed to solve the above problems. SUMMARY

[0005] In order to make up for the above shortcomings, the utility model provides a building heating and ventilation pipeline closed connecting device, which aims to improve the problem that in the prior art, when aligning two pipelines, a lot of time is needed to repeatedly adjust the position of the pipeline, and when using flange connection, the process of installing bolts and tightening one by one needs to be operated repeatedly, consuming a lot of energy.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A building heating and ventilation pipeline closed connecting device, comprising a pipeline body, one end of the pipeline body is fixedly connected with a fixed ring one, the other end of the pipeline body is fixedly connected with a fixed ring two, the side wall of the fixed ring two is provided with a fixed assembly, and the inside of the fixed ring two is provided with a sealing assembly;

[0008] The fixed assembly includes a positioning block, the positioning block side wall is fixedly connected with the fixed ring two side walls, the positioning block side wall is slidably connected with the fixed ring one interior, the fixed ring two side wall is provided with an upper clamping sleeve, the upper clamping sleeve side wall is provided with a lower clamping sleeve, the upper clamping sleeve side wall is fixedly connected with a clamping block one, the lower clamping sleeve side wall is fixedly connected with a fixed sleeve, the fixed sleeve side wall is fixedly connected with a mounting sleeve, the mounting sleeve interior is slidably connected with a sliding rod, the sliding rod one end is rotatably connected with a rotating block, the sliding rod other end is fixedly connected with a clamping block two, and the sliding rod side wall is sleeved with a spring one.

[0009] As a further description of the above technical solutions:

[0010] The sealing assembly includes a sealing ring, the sealing ring side wall is slidably connected with the fixed ring one interior, and the sealing ring side wall is slidably connected with the fixed ring two interior.

[0011] As a further description of the above technical solutions:

[0012] The fixed ring one and the fixed ring two side walls are slidably connected with the upper clamping sleeve and the lower clamping sleeve interiors, the clamping block one side wall is slidably connected with the fixed sleeve interior, the clamping block two side wall is slidably connected with the fixed sleeve interior, and the clamping block two side wall is slidably connected with the clamping block one interior.

[0013] As a further description of the above technical solutions:

[0014] One end of the spring one is fixedly connected with the mounting sleeve interior, and the other end of the spring one is fixedly connected with the sliding rod side wall.

[0015] As a further description of the above technical solutions:

[0016] The fixed ring two interior is fixedly connected with a fixed seat, and the fixed seat side wall is provided with a spring two.

[0017] As a further description of the above technical solutions:

[0018] One end of the spring two is fixedly connected with the fixed seat side wall, and the other end of the spring two is fixedly connected with a fixed ring three.

[0019] As a further description of the above technical solutions:

[0020] The fixed ring three interior is fixedly connected with a connecting block, and the connecting block one end is fixedly connected with the sealing ring side wall.

[0021] As a further description of the above technical solutions:

[0022] The fixed ring three side wall is rotatably connected with a connecting strip, and the connecting strip one end is rotatably connected with the sealing ring side wall.

[0023] The utility model has the advantages of the following:

[0024] 1. In the utility model, the fixing ring one and the fixing ring two of another pipe are close to each other, two pipes are quickly aligned, preliminary positioning is completed, the upper clamping sleeve and the lower clamping sleeve are clamped, the clamping block one slides into the fixed sleeve, the spring pushes the sliding rod to slide by rotating the rotating block, the clamping block two slides into the clamping block one, further fixing effect is achieved, when the part of building heating pipe closed connection device is connected to two pipes, it is difficult to quickly and accurately center the pipe, meanwhile, the flange connection is adopted, the process of installing bolt and tightening one by one needs the repeated operation of construction personnel, a large amount of energy is consumed, the installation efficiency of equipment is improved through the above structure.

[0025] 2. In the utility model, when the pipe pressure changes, the distance between the fixing ring one and the fixing ring two changes, the spring two is compressed, the fixing ring three is driven to move, the sealing ring adjusts the position and the adhesion pressure in the fixing ring one and the fixing ring two through the connecting block and the connecting strip, always keeps good sealing state, prevents medium leakage, realizes self-adaptive sealing function, and ensures the sealing property of the heating pipe under different working conditions. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 A three-dimensional schematic view of a building heating pipe closed connection device is provided for the utility model;

[0027] Figure 2 A structural schematic view of a pipe body of a building heating pipe closed connection device is provided for the utility model;

[0028] Figure 3 A structural schematic view of a lower clamping sleeve of a building heating pipe closed connection device is provided for the utility model;

[0029] Figure 4 A structural schematic view of a fixing ring two of a building heating pipe closed connection device is provided for the utility model;

[0030] Figure 5 A structural schematic view of the inside of the fixing ring two of a building heating pipe closed connection device is provided for the utility model;

[0031] Figure 6 A Figure 3 Enlarged view of A in the figure;

[0032] Figure 7 A Figure 5 Enlarged view of B in the figure.

[0033] Legend:

[0034] 1, pipe body; 2, fixed ring one; 3, fixed ring two; 4, upper sleeve; 5, lower sleeve; 6, block one; 7, fixed sleeve; 8, positioning block; 9, mounting sleeve; 10, slide rod; 11, rotating block; 12, spring one; 13, block two; 14, sealing ring; 15, fixed seat; 16, spring two; 17, connecting block; 18, fixed ring three; 19, connecting strip. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0036] Referring to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 6The utility model provides a kind of embodiment: a kind of building heating pipe closed connecting device, including pipeline body 1, pipeline body 1 one end is fixedly connected with fixed ring one 2, pipeline body 1 other end is fixedly connected with fixed ring two 3, and fixed ring two 3 side wall is provided with fixed assembly, and fixed assembly includes locating block 8, and locating block 8 side wall is fixedly connected in the side wall of fixed ring two 3, its effect is when connecting two pipes, by the characteristic that its side wall can slide inside fixed ring one 2, guide two pipes to be quickly and accurately aligned, greatly improve the preliminary positioning efficiency when pipe is connected, reduce the time and energy of manual adjustment, locating block 8 and fixed ring one 2, fixed ring two 3 are combined, so that two pipes can be quickly realized centring in initial stage of connection, and fixed ring two 3 side wall is provided with upper sleeve 4, and upper sleeve 4 is used to be wrapped fixed from above the connecting place of fixed ring one 2 and fixed ring two 3, and the clamping block one 6 of its side wall fixed connection, in the process of connection, cooperate with upper sleeve 4 and lower sleeve 5, realize the connection of upper sleeve 4 and lower sleeve 5, and upper sleeve 4 cooperates with fixed ring one 2, fixed ring two 3, from above the connecting part of two pipes is constrained, guarantee the compactness of connection, and upper sleeve 4 side wall is provided with lower sleeve 5, and lower sleeve 5 is wrapped fixed from below the connecting place of fixed ring one 2 and fixed ring two 3, and act together with upper sleeve 4, the connecting part of two pipes is fastened in all directions, and lower sleeve 5 side wall is fixedly connected with fixed sleeve 7, and fixed sleeve 7 side wall is fixedly connected with mounting sleeve 9, and mounting sleeve 9 inside is slidably connected with slide rod 10, and one end of slide rod 10 is rotatably connected with rotating block 11, by rotating rotating block 11, slide rod 10 can be slid in mounting sleeve 9, to control the position of clamping block two 13, realize the control of the connection of upper sleeve 4 and lower sleeve 5, and the other end of slide rod 10 is fixedly connected with clamping block two 13, and clamping block two 13 is slid into the inside of clamping block one 6 under the drive of slide rod 10, to connect upper sleeve 4 and lower sleeve 5 tightly together, realize the firm binding of fixed ring one 2 and fixed ring two 3, complete the fixed connection of pipe, and spring one 12 is sleeved on the side wall of slide rod 10, and one end of spring one 12 is fixedly connected in mounting sleeve 9, and the other end is fixedly connected in the side wall of slide rod 10, and the side wall of fixed ring one 2 and fixed ring two 3 is slidably connected in the inside of upper sleeve 4 and lower sleeve 5, and the cooperation of upper sleeve 4, lower sleeve 5 and fixed ring one 2, fixed ring two 3 fasten the connecting part of two pipes from all around, ensure the compactness and stability of pipe connection, prevent loosening in the process of use, and the side wall of clamping block one 6 is slidably connected in the inside of fixed sleeve 7, and the side wall of clamping block two 13 is slidably connected in the inside of fixed sleeve 7, and the side wall of clamping block two 13 is slidably connected in the inside of clamping block one 6;

[0037] Refer to Figure 5 And Figure 7The sealing assembly comprises a sealing ring 14, the side wall of which is slidingly connected inside the fixed ring one 2 and the fixed ring two 3, and functions to tightly fit the inner walls of the fixed ring one 2 and the fixed ring two 3 after the butt joint of the two pipes, to form a seal and effectively prevent the leakage of the medium in the pipes, to ensure the sealing of the pipe system. The fixed ring two 3 is fixedly connected with a fixed seat 15 inside, which functions to stably support and provide a fixed point for the spring two 16, to ensure the stable position of the spring two 16 during the working process and enable it to normally play its elastic adjusting function. The side wall of the fixed seat 15 is provided with the spring two 16, one end of which is fixedly connected with the side wall of the fixed seat 15, and the other end is fixedly connected with a fixed ring three 18. The spring two 16 can be stretched or compressed according to the change of the distance between the fixed ring one 2 and the fixed ring two 3 caused by the change of the pressure in the pipe, the thermal expansion and cold contraction of the pipe and other factors. When the distance becomes smaller, the spring two 16 is compressed; when the distance becomes larger, the spring two 16 is elongated. The fixed ring three 18 is fixedly connected with a connecting block 17 inside, one end of which is fixedly connected with the side wall of the sealing ring 14. The connecting block 17 functions to connect the fixed ring three 18 with the sealing ring 14, so that when the fixed ring three 18 changes its position under the driving of the spring two 16, it can accurately transmit the acting force to the sealing ring 14 through the connecting block 17, to promote the sealing ring 14 to adjust its position and the fitting pressure. The side wall of the fixed ring three 18 is rotatably connected with a connecting strip 19, one end of which is rotatably connected with the side wall of the sealing ring 14. The connecting strip 19 can play the auxiliary connecting and guiding role between the fixed ring three 18 and the sealing ring 14.

[0038] Working principle: when connecting two building heating pipes, one pipe body 1 with fixing ring one 2 is close to the other pipe body 1 with fixing ring two 3, at this time, the positioning block 8 fixed on the side wall of the fixing ring two 3 can slide in the fixing ring one 2, which can guide the two pipes to realize preliminary alignment quickly, after preliminary positioning, the upper sleeve 4 and the lower sleeve 5 are placed on the upper and lower sides of the connection between the fixing ring one 2 and the fixing ring two 3, the clamping block one 6 fixed on the side wall of the upper sleeve 4 corresponds to the fixed sleeve 7 fixed on the side wall of the lower sleeve 5, the upper sleeve 4 and the lower sleeve 5 are pushed to the middle, the clamping block one 6 slides into the fixed sleeve 7, before the clamping block one 6 slides into the fixed sleeve 7, the rotating block 11 is rotated to drive the sliding rod 10 to slide, the sliding rod 10 slides in the mounting sleeve 9, the spring one 12 is compressed, when the clamping block one 6 completely enters the fixed sleeve 7, the rotating block 11 is loosened, the spring one 12 restores the deformation to push the sliding rod 10, so that the clamping block two 13 slides into the clamping block one 6, thereby firmly connecting the upper sleeve 4 and the lower sleeve 5, tightly binding the fixing ring one 2 and the fixing ring two 3, completing the fixed connection of the pipes, greatly improving the installation efficiency of the equipment, after the butt joint of the two pipes is completed, the side wall of the sealing ring 14 is attached to the inner wall of the fixing ring one 2 and the fixing ring two 3, forming an initial sealing state, which preliminarily blocks the medium in the pipe to prevent leakage, when the building heating pipe system is running, the pressure in the pipe will change, causing the distance between the fixing ring one 2 and the fixing ring two 3 to change, at this time, the spring two 16 will be compressed or elongated accordingly, the fixing ring three 18 is connected to the side wall of the sealing ring 14 through the internally fixed connecting block 17 and the connecting strip 19, the expansion of the spring two 16 drives the fixing ring three 18 to move, and then the connecting block 17 and the connecting strip 19 make the sealing ring 14 adjust the position and the attachment pressure in the fixing ring one 2 and the fixing ring two 3 accordingly, no matter what working condition the pipe is in, the sealing ring 14 can always maintain good sealing state with the inner wall of the pipe, effectively preventing leakage, realizing self-adaptive sealing function, and ensuring the reliable sealing of the heating pipe under different working conditions.

[0039] Finally, it should be pointed out that: the above only describes the preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for some technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A building heating and ventilation duct closure coupling device comprising a duct body (1), characterised in that: One end of the pipeline body (1) is fixedly connected with a fixed ring one (2), the other end of the pipeline body (1) is fixedly connected with a fixed ring two (3), the side wall of the fixed ring two (3) is provided with a fixed assembly, the inside of the fixed ring two (3) is provided with a sealing assembly; The fixed assembly includes a positioning block (8), the side wall of the positioning block (8) is fixedly connected with the side wall of the fixed ring two (3), the side wall of the positioning block (8) is slidably connected in the inside of the fixed ring one (2), the side wall of the fixed ring two (3) is provided with an upper clamping sleeve (4), the side wall of the upper clamping sleeve (4) is provided with a lower clamping sleeve (5), the side wall of the upper clamping sleeve (4) is fixedly connected with a clamping block one (6), the side wall of the lower clamping sleeve (5) is fixedly connected with a fixed sleeve (7), the side wall of the fixed sleeve (7) is fixedly connected with a mounting sleeve (9), the inside of the mounting sleeve (9) is slidably connected with a sliding rod (10), one end of the sliding rod (10) is rotatably connected with a rotating block (11), the other end of the sliding rod (10) is fixedly connected with a clamping block two (13), the side wall of the sliding rod (10) is sleeved with a spring one (12).

2. A building heating and ventilating duct sealing and connecting device according to claim 1, characterized in that: The sealing assembly includes a sealing ring (14), the side wall of the sealing ring (14) is slidably connected in the inside of the fixed ring one (2), the side wall of the sealing ring (14) is slidably connected in the inside of the fixed ring two (3).

3. A building heating, ventilation and air conditioning duct closure coupling device according to claim 1, wherein: The side wall of the fixed ring one (2) and the side wall of the fixed ring two (3) are slidably connected in the inside of the upper clamping sleeve (4) and the lower clamping sleeve (5), the side wall of the clamping block one (6) is slidably connected in the inside of the fixed sleeve (7), the side wall of the clamping block two (13) is slidably connected in the inside of the fixed sleeve (7), the side wall of the clamping block two (13) is slidably connected in the inside of the clamping block one (6).

4. A building heating, ventilation and air conditioning duct closure coupling device according to claim 1, wherein: One end of the spring one (12) is fixedly connected in the inside of the mounting sleeve (9), the other end of the spring one (12) is fixedly connected with the side wall of the sliding rod (10).

5. A building heating, ventilation and air conditioning duct closure coupling device according to claim 2, wherein: The inside of the fixed ring two (3) is fixedly connected with a fixed seat (15), the side wall of the fixed seat (15) is provided with a spring two (16).

6. A building heating, ventilation and air conditioning duct closure coupling device according to claim 5, wherein: One end of the spring two (16) is fixedly connected with the side wall of the fixed seat (15), the other end of the spring two (16) is fixedly connected with a fixed ring three (18).

7. A building heating, ventilation and air conditioning duct closure coupling device as defined in Claim 6, wherein: The inside of the fixed ring three (18) is fixedly connected with a connecting block (17), one end of the connecting block (17) is fixedly connected with the side wall of the sealing ring (14).

8. A building heating, ventilation and air conditioning duct closure coupling device according to claim 7, wherein: The side wall of the fixed ring three (18) is rotatably connected with a connecting strip (19), one end of the connecting strip (19) is rotatably connected with the side wall of the sealing ring (14).

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