Butt joint device for installation of heat supply and ventilation pipelines

Abstract

The utility model relates to the technical field of pipeline installation, in particular to a heat supply and ventilation pipeline installation butt joint device which comprises two butt joint pipeline bodies, the two pipeline bodies are connected through a fixing mechanism, the fixing mechanism comprises flange plates, the opposite ends of the two pipeline bodies are fixedly connected with the flange plates, and the flange plates are fixedly connected with the pipeline bodies. The opposite sides of the upper ends and the lower ends of the two flange plates are fixedly connected with limiting strips, the upper limiting strip and the lower limiting strip are slidably connected with connecting sleeves with openings in the bottoms, and the two flange plates are clamped between the two connecting sleeves. The ventilation pipeline can be conveniently and rapidly fixed and spliced, secondary reinforcement is not needed, the installation safety and stability of the ventilation pipeline are improved, installation operation of installation personnel is more convenient, the working efficiency is effectively improved, and the ventilation pipeline is not prone to falling off and being damaged.

Description

Technical Field

[0001] The utility model relates to a pipeline docking device, in particular to a heating and ventilation pipeline installation docking device, belonging to the technical field of pipeline installation docking. Background Art

[0002] Heating and ventilation ducts are metal or non-metallic pipes used in ventilation and air conditioning projects in industrial and civil buildings. They are designed to promote air circulation and reduce the concentration of harmful gases, thereby creating a healthy and comfortable indoor environment. The main function of these duct systems is to exhaust indoor dirty air, introduce fresh air, and realize indoor air circulation and renewal.

[0003] At present, when installing heating and ventilation ducts, workers usually use bolts to connect and fix two opposing flange plates. During the connection process, the bolts need to be tightened multiple times, which is cumbersome to operate. In addition, the bolts need to be removed one by one during subsequent disassembly, which is inconvenient. Utility Model Content

[0004] The purpose of the utility model is to provide a heating and ventilation duct installation docking device in order to solve the above-mentioned problem. When installing the ventilation duct, the fixing mechanism can be used to quickly fix and splice the duct without secondary reinforcement, thereby increasing the safety and stability of its installation, making it more convenient for installers to install and operate, effectively improving work efficiency and not easy to fall off and be damaged.

[0005] The utility model achieves the above-mentioned purpose through the following technical scheme: a heating and ventilation duct installation docking device, comprising two docking duct bodies, the two duct bodies are connected by a fixing mechanism, the fixing mechanism comprises a flange plate, the opposite ends of the two duct bodies are fixedly connected with the flange plates, the upper and lower ends of the two flange plates are fixedly connected with limit strips on the opposite sides, the upper and lower groups of the limit strips are slidably connected with a connecting sleeve with a bottom opening, and the two flange plates are clamped between the two connecting sleeves.

[0006] Preferably, the limiting strip is in a rectangular parallelepiped structure, and the added thickness of the two limiting strips and the two flange plates on the same side is the same as the inner width of the connecting sleeve.

[0007] Preferably, the two opposite limiting strips are arranged in parallel, and the two connecting sleeves are symmetrical about the center of the pipeline body.

[0008] Preferably, both connecting sleeves are provided with connecting mechanisms, and both connecting mechanisms include corner sleeves. Four corner sleeves are snap-fitted and connected at the four corners of the two flange plates. The four corner sleeves are rotatably connected to rotating rods, and one end of the four rotating rods is fixedly connected to a tooth plate, and the two opposite tooth plates slide inside the connecting sleeves.

[0009] Preferably, two first bolts are relatively threadedly connected to the two connecting sleeves, and the opposite ends of the two first bolts are rotatably connected to push plates, and the push plates are meshed with the toothed plates.

[0010] Preferably, the four corner sleeves are distributed in a rectangular array with respect to the pipe body, and the cross-sections of the four corner sleeves are all L-shaped structures.

[0011] Preferably, the rotating rod is located at the center of the side surface of the tooth plate, and the rotating end of the rotating rod is in a T-shaped structure.

[0012] Preferably, the four corner sleeves are each provided with an adjustment mechanism, and the four adjustment mechanisms each include an extrusion plate, and two extrusion plates are relatively slidably connected inside the corner sleeve, and the extrusion plates are rotatably connected with second bolts, and the four second bolts are threadedly connected to the corner sleeve, and the extrusion plate is in conflict with the flange plate.

[0013] Preferably, the cross section of the second bolt is in an I-shaped structure, and the extrusion plate is in an L-shaped structure which is consistent with the shape and size of the outer side of the angle sleeve.

[0014] The beneficial effect of the utility model is that the connecting sleeve with the bottom opening is slidably connected to the limiting strip, so that the two flange plates can be clamped between the connecting sleeves, thereby realizing the rapid installation of two opposite butted pipe bodies. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the connection structure between the frame body and the flange plate of the utility model;

[0017] Figure 3 for Figure 2 A schematic diagram of the enlarged structure of part A shown;

[0018] Figure 4 for Figure 2 The enlarged structural diagram of part B is shown;

[0019] Figure 5 It is a schematic diagram of the connection structure of the connection sleeve and the first bolt of the utility model;

[0020] Figure 6 for Figure 5 The enlarged structural diagram of the C part is shown;

[0021] Figure 7 It is a schematic diagram of the cross-sectional structure of the connecting sleeve of the utility model.

[0022] In the figure: 1. pipe body; 2. fixing mechanism; 201. connecting sleeve; 202. flange plate; 203. limiting strip; 3. connecting mechanism; 301. angle sleeve; 302. rotating rod; 303. tooth plate; 304. push plate; 305. first bolt; 4. adjusting mechanism; 401. extrusion plate; 402. second bolt. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-7 As shown, a heating and ventilation duct installation docking device includes two docking duct bodies 1, and the two duct bodies 1 are connected by a fixing mechanism 2. The fixing mechanism 2 includes a flange plate 202. The opposite ends of the two duct bodies 1 are fixedly connected with the flange plates 202, and the upper and lower ends of the two flange plates 202 are fixedly connected with limit strips 203 on the opposite sides. The upper and lower groups of the limit strips 203 are slidably connected with a connecting sleeve 201 with a bottom opening, and the two flange plates 202 are clamped between the two connecting sleeves 201.

[0025] As a technical optimization solution of the utility model, the limit strip 203 is a rectangular parallelepiped structure, and the added thickness of the two limit strips 203 and the two flange plates 202 on the same side is the same as the internal width of the connecting sleeve 201, the two opposite limit strips 203 are arranged in parallel, and the two connecting sleeves 201 are symmetrical about the center of the pipe body 1, which is convenient for the staff to slide the connecting sleeve 201 on the limit strip 203, thereby realizing the rapid installation between the two opposite butt-jointed pipe bodies 1.

[0026] As a technical optimization scheme of the utility model, a connecting mechanism 3 is provided on each of the two connecting sleeves 201, and each of the two connecting mechanisms 3 includes an angle sleeve 301. Four angle sleeves 301 are snap-fitted and connected at the four corners of the two flange plates 202. The four angle sleeves 301 are rotatably connected with a rotating rod 302, and one end of the four rotating rods 302 is fixedly connected with a tooth plate 303. The two opposite tooth plates 303 slide inside the connecting sleeve 201. Two first bolts 305 are relatively threadedly connected to the two connecting sleeves 201, and the opposite ends of the two first bolts 305 are rotatably connected with a push plate 304. The push plate 304 is meshed with the tooth plate 303, which can effectively fix the two relatively connected pipe bodies 1 and increase their stability. At the same time, it can make the connecting sleeve 201 not easy to slide and fall off, thereby better realizing the fixing effect.

[0027] As a technical optimization scheme of the utility model, the four corner sleeves 301 are distributed in a rectangular array with respect to the pipe body 1, and the cross-sections of the four corner sleeves 301 are all L-shaped structures, the rotating rod 302 is located at the side center of the tooth plate 303, and the rotating end of the rotating rod 302 is T-shaped structure. The rectangular distribution of the corner sleeves 301 can make them more stable, and the L-shaped structure of the corner sleeves 301 can better realize the snap-fit ​​connection with the flange plate 202, and it is convenient for the staff to rotate the rotating rod 302 to rotate the corner sleeve 301 upward, thereby making it easier to realize the sliding connection between the connecting sleeve 201 and the limit strip 203.

[0028] As a technical optimization scheme of the utility model, the four corner sleeves 301 are each provided with an adjustment mechanism 4, and the four adjustment mechanisms 4 each include an extrusion plate 401. Two extrusion plates 401 are relatively slidably connected inside the corner sleeve 301, and the extrusion plates 401 are rotatably connected with second bolts 402. The four second bolts 402 are threadedly connected to the corner sleeve 301, and the extrusion plate 401 is in conflict with the flange plate 202. The cross-section of the second bolt 402 is an "I"-shaped structure, and the extrusion plate 401 is an L-shaped structure that is consistent with the shape of the outer side of the corner sleeve 301 and the same size. It is convenient for the staff to rotate the second bolt 402 when connecting flange plates 202 of different thicknesses, so as to adjust the distance between the extrusion plate 401 and the flange plate 202, so as to adapt to the connection of flange plates 202 of different thicknesses.

[0029] When the utility model is in use, the staff first fixes the opposite ends of the duct body 1 to the flange plates 202 when installing the heating and ventilation duct, and fixes the upper limit strip 203 to the opposite side of the flange plate 202, and then docks the two opposite butted duct bodies 1. The staff rotates the rotating rod 302 to rotate the angle sleeve 301 upward to make it horizontal, so as to better realize the sliding connection between the connecting sleeve 201 and the limit strip 203, and then slides the connecting sleeve 201 with the bottom opening on the limit strip 203, so that the two flange plates 202 can be clamped between the connecting sleeves 201, so as to realize the rapid installation of the two opposite butted duct bodies 1, and then rotates the first bolt 305 on the top of the connecting sleeve 201, and the first bolt 305 is rotatably connected to the push plate 304, so as to realize the push The plate 304 slides horizontally, and the push plate 304 can mesh with the tooth plate 303 when it slides downward. The tooth plate 303 can be adjusted to the required size of the pipe body 1 by pulling the tooth plate 303. The rotating rod 302 fixedly connected at one end of the tooth plate 303 is rotatably connected to the corner sleeve 301, and then the four corner sleeves 301 are buckled at the four corners of the flange plate 202, which can effectively fix the two connected pipe bodies 1 and increase their stability. At the same time, it can make the connecting sleeve 201 not easy to slide and fall off, and better realize the fixing effect. Two extrusion plates 401 are relatively slidably connected to the corner sleeve 301, and the extrusion plates 401 are rotatably connected with the second bolt 402. The staff can adjust the distance between the extrusion plate 401 and the flange plate 202 by rotating the second bolt 402, which is convenient for adapting to the connection of flange plates 202 of different thicknesses and enhancing its stability.

[0030] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0031] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A heating and ventilation duct installation docking device, comprising two docking duct bodies (1), characterized in that: The two pipe bodies (1) are connected via a fixing mechanism (2), wherein the fixing mechanism (2) comprises a flange plate (202), the opposite ends of the two pipe bodies (1) are fixedly connected to the flange plates (202), the upper and lower ends of the two flange plates (202) are fixedly connected to the opposite sides thereof with limit strips (203), the upper and lower groups of the limit strips (203) are slidably connected to a connecting sleeve (201) with a bottom opening, and the two flange plates (202) are clamped between the two connecting sleeves (201).

2. A heating and ventilation duct installation and docking device according to claim 1, characterized in that: The limiting strip (203) is in a rectangular parallelepiped structure, and the added thickness of the two limiting strips (203) and the two flange plates (202) on the same side is the same as the internal width of the connecting sleeve (201).

3. A heating and ventilation duct installation and docking device according to claim 1, characterized in that: The two opposing limit strips (203) are arranged in parallel, and the two connecting sleeves (201) are symmetrical about the center of the pipeline body (1).

4. A heating and ventilation duct installation and docking device according to claim 1, characterized in that: The two connecting sleeves (201) are each provided with a connecting mechanism (3), and the two connecting mechanisms (3) each include an angle sleeve (301), and the four corners of the two flange plates (202) are buckled and connected with four angle sleeves (301), and the four angle sleeves (301) are rotatably connected with a rotating rod (302), and one end of the four rotating rods (302) is fixedly connected with a tooth plate (303), and the two opposite tooth plates (303) slide inside the connecting sleeve (201).

5. A heating and ventilation duct installation and docking device according to claim 1, characterized in that: Two first bolts (305) are relatively threadedly connected to the two connecting sleeves (201), and the opposite ends of the two first bolts (305) are rotatably connected to push plates (304), and the push plates (304) are meshed with the toothed plates (303).

6. A heating and ventilation duct installation and docking device according to claim 4, characterized in that: The four corner sleeves (301) are distributed in a rectangular array with respect to the pipe body (1), and the cross-sections of the four corner sleeves (301) are all L-shaped structures.

7. A heating and ventilation duct installation and docking device according to claim 4, characterized in that: The rotating rod (302) is located at the center of the side of the tooth plate (303), and the rotating end of the rotating rod (302) is in a T-shaped structure.

8. A heating and ventilation duct installation and docking device according to claim 4, characterized in that: The four angle sleeves (301) are each provided with an adjustment mechanism (4), and the four adjustment mechanisms (4) each include an extrusion plate (401). Two extrusion plates (401) are relatively slidably connected inside the angle sleeve (301), and the extrusion plates (401) are rotatably connected with second bolts (402). The four second bolts (402) are threadedly connected to the angle sleeve (301), and the extrusion plate (401) is in contact with the flange plate (202).

9. A heating and ventilation duct installation and docking device according to claim 8, characterized in that: The cross section of the second bolt (402) is an I-shaped structure, and the extrusion plate (401) is an L-shaped structure that is consistent with the outer shape of the corner sleeve (301) and has the same size.

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