Pipeline connecting device

Abstract

The utility model discloses a pipeline connecting device, and belongs to the technical field of pipeline connecting devices. According to the technical scheme, a second pipeline is arranged on one side of a first pipeline, an annular connecting groove is formed in the inner side face of the first pipeline, a connecting pipe is fixedly installed on the side face of the second pipeline, and the connecting pipe is matched with the annular connecting groove; a fixing ring is slidably mounted on the first pipeline, a plurality of movable grooves are uniformly formed in the inner circumference of the fixing ring, positioning plates are slidably mounted in the movable grooves, screws are fixedly mounted on the outer end faces of the positioning plates, the outer ends of the screws extend out of the fixing ring, rotating plates are rotatably arranged on the outer end face of the fixing ring, and the screws are in threaded connection with the rotating plates; a plurality of teeth are fixedly installed on the end face, away from the screw, of the positioning plate. A tooth groove is formed in the outer side face of the second pipeline. The connecting structure has the beneficial effects that the teeth are matched with the annular tooth grooves, so that the stability of connection between the teeth and the annular tooth grooves is improved, and the situation that the first pipeline and the second pipeline are disconnected is effectively prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline connecting devices, in particular to a pipeline connecting device. Background Art

[0002] In the field of electromechanical engineering technology, many devices will generate a lot of heat when in use. If the heat is not handled in a timely manner, the heat will greatly affect the operation of the equipment, greatly increase the energy consumption of the equipment, and even cause damage to the equipment. In the prior art, many electromechanical engineering machine rooms are equipped with ventilation ducts, which can realize air circulation inside the electromechanical engineering and reduce equipment losses. General ventilation ducts are divided into circular or rectangular shapes. The ventilation ducts used in electromechanical engineering generally use galvanized iron pipes, and the connection between galvanized iron pipes is mainly through flange fixed connection.

[0003] An existing Chinese patent (publication number: CN213236450U) discloses a ventilation duct connection structure for electromechanical engineering, including a duct one, a duct two is arranged on the right side of the duct one, a docking piece is arranged on the left side of the inner cavity of the duct two, a fixing frame is sleeved on the duct one and the duct two, an outer sealing piece is arranged on the right side of one side wall of the duct, and a right fixing ring is arranged on the left side of the side wall of the duct two. The ventilation duct connection structure for electromechanical engineering realizes sealing treatment at the duct connection, and the ventilation duct for electromechanical engineering can realize precise docking during the installation process, which is easy to install.

[0004] When the pipe connection device in the above patent is in use, it is easy for the two pipes to fall off, which reduces the performance of the device.

[0005] Based on this, the utility model designs a pipeline connecting device to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a pipeline connecting device to solve the problems raised in the above background technology.

[0007] To achieve the above object, the utility model provides the following technical solution: a pipeline connection device, comprising a first pipeline, characterized in that: a second pipeline is arranged on one side of the first pipeline, an annular connecting groove is provided on the inner side of the first pipeline, a connecting pipe is fixedly installed on the side of the second pipeline, and the connecting pipe matches the annular connecting groove;

[0008] A fixing ring is slidably installed on the first pipe, and a plurality of movable grooves are evenly opened in the inner circumference of the fixing ring. Positioning plates are slidably installed inside the movable grooves. A screw is fixedly installed on the outer end surface of the positioning plate, and the outer end of the screw extends out of the fixing ring. A rotating plate is rotatably arranged on the outer end surface of the fixing ring, and the screw is connected to the rotating plate by threads and passes through the rotating plate.

[0009] A plurality of teeth are fixedly mounted on the end surface of the positioning plate away from the screw rod, and tooth grooves corresponding to the plurality of teeth are formed on the outer side surface of the second pipe.

[0010] Preferably, a plurality of limit plates are fixedly mounted on the inner wall of the fixing ring close to one end of the second pipe, a plurality of limit grooves are formed on the outer side of the first pipe, and the limit plates correspond to the limit grooves one by one.

[0011] Preferably, a plurality of threaded holes are evenly formed on the side wall of the fixing ring in a circumferential direction, and fixing rods are provided inside the threaded holes through threaded connection;

[0012] The outer wall of the connecting pipe is provided with connecting holes corresponding to the fixing rods one by one, and the connecting holes match the fixing rods.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] Align the positions of the first pipe with the second pipe, and screw the connecting pipe into the interior of the connecting groove to connect the first pipe with the second pipe. Then slide the fixing ring toward the position of the second pipe to drive the limiting plate to move horizontally along the sliding groove, so that the fixing ring is located between the first pipe and the second pipe. Then rotate the rotating plate, and under the action of the thread, the screw drives the positioning plate to move radially along the movable groove to correspond to the tooth groove on the second pipe. Through the action of the teeth, the positioning plate and the second pipe are connected together, thereby increasing the stability of the connection between the two, thereby effectively preventing the first pipe from falling off. Finally, insert the fixing rod through the threaded hole into the interior of the connecting hole to further connect the first pipe with the second pipe, thereby improving the performance of the device.

[0015] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 For the utility model Figure 1 The enlarged schematic diagram of point A in the middle;

[0019] Figure 3 This is a combined view of the fixing ring and the fixing rod of the utility model;

[0020] Figure 4 This is a combined view of the fixing ring and the limiting plate of the utility model.

[0021] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0022] 1. First pipeline; 2. Second pipeline; 3. Connecting groove; 4. Connecting pipe; 5. Connecting hole; 6. Positioning plate; 7. Annular tooth groove; 8. Fixed ring; 9. Slide groove; 10. Movable groove; 11. Screw; 12. Turn plate; 13. Threaded hole; 14. Fixed rod; 15. Limiting plate. 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 of 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] Example 1

[0025] See also Figure 1-Figure 4 A pipeline connection device comprises a first pipeline 1, characterized in that: a second pipeline 2 is arranged on one side of the first pipeline 1, an annular connection groove 3 is opened on the inner side of the first pipeline 1, a connecting pipe 4 is fixedly installed on the side of the second pipeline 2, and the connecting pipe 4 matches the annular connection groove 3;

[0026] A fixing ring 8 is slidably installed on the first pipe 1, and a plurality of movable grooves 10 are evenly opened in the inner circumference of the fixing ring 8. Positioning plates 6 are slidably installed inside the movable grooves 10. A screw rod 11 is fixedly installed on the outer end surface of the positioning plate 6. The outer end of the screw rod 11 extends out of the fixing ring 8. A rotating plate 12 is rotatably provided on the outer end surface of the fixing ring 8. The screw rod 11 is connected to the rotating plate 12 by threads and penetrates the rotating plate 12.

[0027] There are generally 3 to 6 movable grooves 10 evenly distributed in the circumferential direction.

[0028] A plurality of teeth are fixedly mounted on the end surface of the positioning plate 6 away from the screw rod 11, and a tooth groove 7 corresponding to the plurality of teeth is formed on the outer side surface of the second pipe 2. The tooth groove 7 and the teeth are generally distributed in a plurality of rows along the axis of the pipe.

[0029] A plurality of limiting plates 15 are fixedly mounted on the inner wall of the fixing ring 8 near one end of the second pipe, and a plurality of limiting grooves 9 are formed on the outer side of the first pipe 1 , and the limiting plates 15 correspond to the limiting grooves 9 one by one.

[0030] A plurality of threaded holes 13 are evenly arranged on the side wall of the fixing ring 8 in the circumferential direction, and fixing rods 14 are arranged inside the threaded holes 13 through threaded connection; generally, 2 to 4 threaded holes 13 are evenly distributed in the circumferential direction.

[0031] The outer wall of the connecting pipe 4 is provided with connecting holes 5 corresponding to the fixing rods one by one, and the connecting holes 5 match the fixing rods 14 .

[0032] Method of use: firstly, align the positions of the first pipe 1 and the second pipe 2, and screw the connecting pipe 4 into the connecting groove 3 to connect the first pipe 1 and the second pipe 2 together, then slide the fixing ring 8 toward the position of the second pipe 2, drive the limiting plate 15 to move horizontally along the slide groove 9, so that the fixing ring 8 is located between the first pipe 1 and the second pipe 2, and then rotate the rotating plate 12, under the action of the thread, the screw rod 11 drives the positioning plate 6 to move radially along the movable groove 10, so that the teeth on it correspond to the tooth grooves 7 on the second pipe 2, and through the action of the teeth and the tooth grooves, the positioning plate 6 and the second pipe 2 are connected together, thereby increasing the stability of the connection between the two, thereby effectively preventing the first pipe 1 and the second pipe 2 from falling off, and finally inserting the fixing rod 14 through the threaded hole 13 into the connecting hole 5, further connecting the first pipe 1 and the second pipe 2, and improving the performance of the device.

[0033] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0034] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A pipeline connection device, comprising a first pipeline (1), characterized in that: A second pipe (2) is arranged on one side of the first pipe (1), an annular connecting groove (3) is provided on the inner side surface of the first pipe (1), a connecting pipe (4) is fixedly mounted on the side surface of the second pipe (2), and the connecting pipe (4) matches the annular connecting groove (3); A fixing ring (8) is slidably mounted on the first pipe (1), a plurality of movable grooves (10) are evenly arranged in the inner circumference of the fixing ring (8), positioning plates (6) are slidably mounted inside the movable grooves (10), a screw (11) is fixedly mounted on the outer end surface of the positioning plate (6), the outer end of the screw (11) extends out of the fixing ring (8), a rotating plate (12) is rotatably mounted on the outer end surface of the fixing ring (8), and the screw (11) is connected to the rotating plate (12) by threads and penetrates the rotating plate (12); A plurality of teeth are fixedly mounted on the end surface of the positioning plate (6) away from the screw rod (11), and tooth grooves (7) corresponding to the plurality of teeth are formed on the outer side surface of the second pipe (2).

2. A pipe connection device according to claim 1, characterized in that: A plurality of limit plates (15) are fixedly mounted on the inner wall of the fixing ring (8) near one end of the second pipe, and a plurality of limit grooves (9) are formed on the outer side surface of the first pipe (1), and the limit plates (15) correspond to the limit grooves (9) one by one.

3. A pipe connection device according to claim 1, characterized in that: A plurality of threaded holes (13) are evenly arranged on the side wall of the fixing ring (8) in a circumferential direction, and fixing rods (14) are arranged inside the threaded holes (13) through threaded connection; The outer wall of the connecting pipe (4) is provided with connecting holes (5) corresponding one to one with the fixing rods, and the connecting holes (5) match the fixing rods (14).

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