Material suction pipe connecting and sealing mechanism

Abstract

The utility model relates to the technical field of chemical preparation, and discloses a material suction pipe connecting and sealing mechanism which comprises a connecting pipe, a first connector and a second connector are arranged at the two ends of the connecting pipe respectively, and a fixing mechanism used for fixing the first connector and the second connector is arranged on the connecting pipe. A reinforcing mechanism used for reinforcing the first connector and the second connector is arranged at the bottom of the connecting pipe. Through the arrangement of the connecting pipe, the first connector, the second connector, the fixing mechanism and the reinforcing mechanism, during installation, a user can install the first connector, the second connector and the connecting pipe through the fixing mechanism, then the fixing mechanism can be reinforced through the reinforcing mechanism, the sealing effect of the material suction pipe can be improved, and meanwhile the sealing effect of the material suction pipe is improved. In addition, a user can conveniently disassemble the suction pipe and the connecting pipe, and the reinforcing mechanism can further improve the connection tightness between the suction pipe and the connecting pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical preparation, in particular to a suction pipe connection sealing mechanism. Background Art

[0002] The main production processes of propionic acid include propionitrile hydrolysis, ethylene carbonylation, light oil oxidation, ethanol carbonylation, acrylic acid hydrogenation and propionaldehyde oxidation. Among them, the propionaldehyde oxidation process has a higher yield and good product selectivity. The propionaldehyde oxidation process is used to absorb propionaldehyde.

[0003] Existing suction pipe connection seals often use flange connection seals, which requires users to turn more bolts during installation, thereby increasing the labor intensity of workers and reducing installation efficiency. In addition, flange seals are susceptible to leakage due to deviation, misalignment, opening, misaligned holes, stress, thermal expansion and contraction, etc., affecting the sealing of the pipeline connection. Utility Model Content

[0004] The purpose of the utility model is to provide a suction pipe connection sealing mechanism to solve the problem that the existing suction pipe connection seals in the prior art often use flange connection seals, which requires users to turn more bolts during installation, thereby increasing the labor intensity of workers and reducing the efficiency of installation. In addition, the flange seal is easily affected by deviation, misalignment, opening, misaligned holes, stress and thermal expansion and contraction, resulting in leakage, which affects the sealing of the pipeline connection.

[0005] The utility model provides the following technical solutions: a suction pipe connection sealing mechanism, comprising a connecting pipe, wherein a first connecting head and a second connecting head are respectively arranged at both ends of the connecting pipe, a fixing mechanism for fixing the first connecting head and the second connecting head is arranged on the connecting pipe, and a reinforcement mechanism for reinforcing the first connecting head and the second connecting head is arranged at the bottom of the connecting pipe.

[0006] As a preferred embodiment of the above technical solution, the fixing mechanism includes a sealing groove provided at both ends of the connecting pipe and a first external thread provided on the outside of the connecting pipe, a sealing ring is inserted into the inner side of the sealing groove, a fixing ring is fixedly connected to the outer side of the sealing ring, the first connector is fixedly connected to the inner side of the fixing ring, a second external thread is provided on the outer side of the fixing ring, the inner side thread of the second external thread is connected to the inner thread, and a collar is fixedly connected to the outer side of the inner thread. When in use, the user can insert the sealing rings on the outer sides of the two fixing rings into the two sealing grooves at both ends of the connecting pipe respectively, and then the first connector and the second connector can be preliminarily positioned, and then the user can rotate the two collars into the second external threads on the outer sides of the two fixing rings and the two first external threads on the connecting pipe, and make one end of the collar contact with the limiting ring on the outer side of the connecting pipe, and then the first connector and the second connector can be fixed and installed, and when disassembly is required, the user can rotate the collar in the opposite direction to separate the collar from the two fixing rings, and then the first connector and the second connector can be removed, thereby achieving the effect of convenient disassembly and assembly. At the same time, the setting of the sealing groove and the sealing ring improves the connection sealing between the pipes.

[0007] As a preferred embodiment of the above technical solution, the positions of the two sealing grooves correspond to each other, and sealing rings are inserted into the inner sides of the two sealing grooves. There are two fixing rings, which are fixedly connected to the two sealing rings respectively. The outer sides of the two fixing rings are provided with second external threads. There are two first external threads, which are both opened on the outer sides of the connecting pipe and are respectively distributed at both ends of the connecting pipe. The specifications of the two first external threads are the same as those of the two second external threads. The first connector and the second connector are respectively fixedly connected to the inner sides of the two fixing rings.

[0008] As a preferred embodiment of the above technical solution, there are two collars, and the inner sides of the two collars are both provided with internal threads, and the specifications of the two internal threads are compatible with the two first external threads and the two second external threads.

[0009] As a preferred embodiment of the above technical solution, the reinforcement mechanism includes two limit rings fixedly connected to the outside of the connecting pipe, the bottom of the limit ring is fixedly connected to a fixing rod, the end of the fixing rod away from the limit ring is fixedly connected to a bottom plate, and two inner grooves are provided on the top of the bottom plate, the inner sides of the inner grooves are rotatably connected with a two-way screw, the external threads of the two-way screw are connected to two support plates, the top of the support plate is fixedly connected with a clamping ring, the outer side of the support plate is slidably connected to the limit rod, and the outer end of the two-way screw is fixedly connected to a crank. When in use, the user can install the first connecting head, the second connecting head and the connecting pipe through the fixing mechanism, and then the user can turn the crank. The rotation of the crank drives the two-way screw to rotate, and the rotation of the two-way screw drives the two support plates to move through the two limit rods. The movement of the support plate drives the clamping ring to move, and the clamping ring will pass through the first connecting head and the second connecting head when it moves to a certain position, and then the first connecting head and the second connecting head can be reinforced, thereby improving the tightness of the connection between the pipelines.

[0010] As a preferred embodiment of the above technical solution, the two limit rings are symmetrically distributed, and the bottoms of the two limit rings are fixedly connected with fixing rods, the ends of the two fixing rods away from the limit rings are fixedly connected to the top of the bottom plate, the two inner grooves are symmetrically distributed, one end of the two-way screw is rotatably connected to the inner side of the left inner groove through a bearing seat, and the other end of the two-way screw passes through the two inner grooves and is fixedly connected to the crank, there are two limit rods and two support plates, the two limit rods are respectively fixedly connected to the inner sides of the two inner grooves, the two support plates are respectively slidably connected to the two limit rods, and the tops of the two support plates are fixedly connected with clamping rings, and the inner diameters of the two clamping rings are respectively adapted to the first connector and the second connector.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model provides a connecting tube, a first connecting head, a second connecting head, a fixing mechanism and a reinforcing mechanism. During installation, the user can insert the sealing rings on the outer sides of the two fixing rings into the two sealing grooves at both ends of the connecting tube respectively, and at this time, the first connecting head and the second connecting head can be preliminarily positioned. Then, the user can rotate the two sleeves into the second external threads on the outer sides of the two fixing rings and the two first external threads on the connecting tube, and make one end of the sleeve contact with the limiting ring on the outer side of the connecting tube. At this time, the first connecting head and the second connecting head can be fixed, thereby completing the installation of the first connecting head and the second connecting head. Then, the user can rotate the crank handle, and the rotation of the crank handle drives the two-way screw to rotate. The rotation of the two-way screw drives the two support plates to move through the two limiting rods. The movement of the support plate drives the clamping ring to move. The clamping ring moves to a certain position and passes through the first connecting head and the second connecting head. Then, the first connecting head and the second connecting head can be reinforced, so as to improve the sealing effect of the suction pipe and facilitate the user to disassemble the suction pipe and the connecting pipe. The reinforcing mechanism can further improve the tightness of the connection between the suction pipe and the connecting pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A schematic diagram of a suction pipe connection sealing mechanism from a first perspective;

[0014] Figure 2 It is a side cross-sectional schematic diagram of a suction pipe connection sealing mechanism;

[0015] Figure 3 for Figure 1 A schematic diagram of the structure enlargement in the middle;

[0016] Figure 4 for Figure 2 Enlarged schematic diagram of the structure at point B in the middle.

[0017] In the figure: 1. connecting pipe; 2. first connecting head; 3. second connecting head; 11. sealing groove; 12. first external thread; 13. sealing ring; 14. fixing ring; 15. second external thread; 16. internal thread; 17. collar; 21. limiting ring; 22. fixing rod; 23. bottom plate; 24. inner groove; 25. bidirectional screw; 26. support plate; 27. retaining ring; 28. limiting rod; 29. ​​crank. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0019] Embodiment 1

[0020] like Figure 1 , Figure 2 and Figure 4 As shown, the utility model provides a technical solution: a suction pipe connection sealing mechanism, comprising a connecting pipe 1, a first connector 2 and a second connector 3 are respectively arranged at both ends of the connecting pipe 1, a fixing mechanism for fixing the first connector 2 and the second connector 3 is arranged on the connecting pipe 1, and a reinforcing mechanism for reinforcing the first connector 2 and the second connector 3 is arranged at the bottom of the connecting pipe 1, the fixing mechanism comprises a sealing groove 11 opened at both ends of the connecting pipe 1, a first external thread 12 opened on the outer side of the connecting pipe 1, a sealing ring 13 is inserted into the inner side of the sealing groove 11, a fixing ring 14 is fixedly connected to the outer side of the sealing ring 13, the first connecting head 2 is fixedly connected to the inner side of the fixing ring 14, a second external thread 15 is opened on the outer side of the fixing ring 14, the inner side of the second external thread 15 is threadedly connected with an internal thread 16, and the outer side of the internal thread 16 The two sealing grooves 11 are positioned corresponding to each other, and sealing rings 13 are inserted into the inner sides of the two sealing grooves 11. There are two fixing rings 14, which are fixedly connected to the two sealing rings 13 respectively. The outer sides of the two fixing rings 14 are provided with second external threads 15. There are two first external threads 12, which are both provided on the outer side of the connecting pipe 1, and the two first external threads 12 are respectively distributed at both ends of the connecting pipe 1. The specifications of the two first external threads 12 are the same as those of the two second external threads 15. The first connector 2 and the second connector 3 are respectively fixedly connected to the inner sides of the two fixing rings 14. There are two rings 17, and the inner sides of the two rings 17 are provided with internal threads 16. The specifications of the two internal threads 16 are adapted to the two first external threads 12 and the two second external threads 15.

[0021] Through the above technical scheme, when in use, the user can insert the sealing rings 13 on the outside of the two fixing rings 14 into the two sealing grooves 11 at both ends of the connecting pipe 1 respectively, and then the first connector 2 and the second connector 3 can be preliminarily positioned, and then the user can rotate the two sleeves 17 into the second external threads 15 on the outside of the two fixing rings 14 and the two first external threads 12 on the connecting pipe 1, and make one end of the sleeve 17 contact with the limiting ring 21 on the outside of the connecting pipe 1, and then the first connector 2 and the second connector 3 can be fixed and installed, and when disassembly is required, the user can rotate the sleeve 17 in the opposite direction to separate the sleeve 17 from the two fixing rings 14, and then the first connector 2 and the second connector 3 can be removed, thereby achieving the effect of convenient disassembly and assembly. At the same time, the setting of the sealing groove 11 and the sealing ring 13 improves the connection sealing between the pipelines.

[0022] Embodiment 2

[0023] like Figure 1 , Figure 2 and Figure 3 As shown, the utility model provides a technical solution: a suction pipe connection sealing mechanism, comprising a connecting pipe 1, wherein the two ends of the connecting pipe 1 are respectively provided with a first connecting head 2 and a second connecting head 3, a fixing mechanism for fixing the first connecting head 2 and the second connecting head 3 is provided on the connecting pipe 1, and a reinforcing mechanism for reinforcing the first connecting head 2 and the second connecting head 3 is provided at the bottom of the connecting pipe 1, the reinforcing mechanism comprises two limiting rings 21 fixedly connected to the outside of the connecting pipe 1, a fixing rod 22 is fixedly connected to the bottom of the limiting ring 21, and a bottom plate 23 is fixedly connected to the end of the fixing rod 22 away from the limiting ring 21, and two inner grooves 24 are provided on the top of the bottom plate 23, and a bidirectional screw 25 is rotatably connected to the inner side of the inner groove 24, and the external thread of the bidirectional screw 25 is connected to two support plates 26, and a clamping ring 27 is fixedly connected to the top of the support plate 26. The outer side is slidably connected with a limit rod 28, and the outer end of the bidirectional screw 25 is fixedly connected with a crank 29. The two limit rings 21 are symmetrically distributed, and the bottoms of the two limit rings 21 are fixedly connected with fixed rods 22, and the ends of the two fixed rods 22 away from the limit rings 21 are fixedly connected to the top of the bottom plate 23. The two inner grooves 24 are symmetrically distributed, one end of the bidirectional screw 25 is rotatably connected to the inner side of the left inner groove 24 through a bearing seat, and the other end of the bidirectional screw 25 passes through the two inner grooves 24 and is fixedly connected to the crank 29. There are two limit rods 28 and two support plates 26, and the two limit rods 28 are respectively fixedly connected to the inner sides of the two inner grooves 24. The two support plates 26 are respectively slidably connected to the two limit rods 28, and the tops of the two support plates 26 are fixedly connected with snap rings 27, and the inner diameters of the two snap rings 27 are respectively adapted to the first connector 2 and the second connector 3.

[0024] Through the above technical solution, when in use, the user can install the first connector 2, the second connector 3 and the connecting pipe 1 through the fixing mechanism, and then the user can turn the crank 29, and the rotation of the crank 29 drives the bidirectional screw 25 to rotate, and the rotation of the bidirectional screw 25 drives the two support plates 26 to move through the two limit rods 28, and the movement of the support plate 26 drives the clamping ring 27 to move. When the clamping ring 27 moves to a certain position, it will pass through the first connector 2 and the second connector 3, and then the first connector 2 and the second connector 3 can be reinforced, thereby improving the connection tightness between the pipes.

[0025] The above embodiments are only used to illustrate the technical solution of the present invention, but not to limit it.

Claims

1. A suction pipe connection sealing mechanism, comprising a connection pipe (1), characterized in that: The two ends of the connecting tube (1) are respectively provided with a first connecting head (2) and a second connecting head (3); the connecting tube (1) is provided with a fixing mechanism for fixing the first connecting head (2) and the second connecting head (3); and the bottom of the connecting tube (1) is provided with a reinforcement mechanism for reinforcing the first connecting head (2) and the second connecting head (3).

2. A suction pipe connection sealing mechanism according to claim 1, characterized in that: The fixing mechanism comprises a sealing groove (11) provided at both ends of the connecting pipe (1) and a first external thread (12) provided on the outer side of the connecting pipe (1); a sealing ring (13) is inserted into the inner side of the sealing groove (11); a fixing ring (14) is fixedly connected to the outer side of the sealing ring (13); the first connector (2) is fixedly connected to the inner side of the fixing ring (14); a second external thread (15) is provided on the outer side of the fixing ring (14); the inner side of the second external thread (15) is threadedly connected to an internal thread (16); and a collar (17) is fixedly connected to the outer side of the internal thread (16).

3. A suction pipe connection sealing mechanism according to claim 2, characterized in that: The positions of the two sealing grooves (11) correspond to each other, and the inner sides of the two sealing grooves (11) are both plugged with sealing rings (13). There are two fixing rings (14), and the two fixing rings (14) are respectively fixedly connected to the two sealing rings (13). The outer sides of the two fixing rings (14) are both provided with second external threads (15). There are two first external threads (12), and the two first external threads (12) are both provided on the outer sides of the connecting pipe (1), and the two first external threads (12) are respectively distributed at both ends of the connecting pipe (1). The specifications of the two first external threads (12) are the same as those of the two second external threads (15). The first connector (2) and the second connector (3) are respectively fixedly connected to the inner sides of the two fixing rings (14).

4. A suction pipe connection sealing mechanism according to claim 2, characterized in that: There are two collars (17), and the inner sides of the two collars (17) are both provided with internal threads (16). The specifications of the two internal threads (16) are compatible with the two first external threads (12) and the two second external threads (15).

5. A suction pipe connection sealing mechanism according to claim 1, characterized in that: The reinforcement mechanism comprises two limiting rings (21) fixedly connected to the outside of the connecting pipe (1); a fixing rod (22) is fixedly connected to the bottom of the limiting ring (21); one end of the fixing rod (22) away from the limiting ring (21) is fixedly connected to a bottom plate (23); two inner grooves (24) are provided on the top of the bottom plate (23); a bidirectional screw rod (25) is rotatably connected to the inner side of the inner groove (24); the outer side of the bidirectional screw rod (25) is threadedly connected to two support plates (26); a clamping ring (27) is fixedly connected to the top of the support plate (26); the outer side of the support plate (26) is slidably connected to the limiting rod (28); and the outer end of the bidirectional screw rod (25) is fixedly connected to a crank (29).

6. A suction pipe connection sealing mechanism according to claim 5, characterized in that: The two limiting rings (21) are symmetrically distributed, and the bottoms of the two limiting rings (21) are fixedly connected with fixing rods (22), and the ends of the two fixing rods (22) away from the limiting rings (21) are fixedly connected to the top of the bottom plate (23). The two inner grooves (24) are symmetrically distributed, and one end of the bidirectional screw rod (25) is rotatably connected to the inner side of the left inner groove (24) through a bearing seat, and the other end of the bidirectional screw rod (25) passes through the two inner grooves (24) and is fixedly connected to the crank (29). There are two limiting rods (28) and two supporting plates (26), and the two limiting rods (28) are respectively fixedly connected to the inner sides of the two inner grooves (24). The two supporting plates (26) are respectively slidably connected to the two limiting rods (28), and the tops of the two supporting plates (26) are fixedly connected with snap rings (27), and the inner diameters of the two snap rings (27) are respectively adapted to the first connector (2) and the second connector (3).

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