Explosion-proof reducer union easy to connect

Abstract

The utility model discloses an explosion-proof reducer union easy to connect, which comprises a connector, the back of the connector is provided with a mounting head, the interior of the connector is slidably connected with two symmetrically distributed connecting rods, the ends, close to each other, of the two connecting rods are fixedly connected with top blocks, and the top blocks are fixedly connected with the mounting head. The left end and the right end of the connecting rod are fixedly connected with sliding blocks, and the sliding blocks are slidably connected with the connectors. By designing the threaded connection between the screw rod and the connecting rod, when the handle is pressed, the square rod can be inserted into the screw rod, the screw rod can be driven to rotate by rotating the handle, the threaded movement of the connecting rod can be realized, and then the ejector block can be driven to move; according to the technical scheme, butt joint of the connector and a pipeline can be achieved through inner supporting of the ejector block on the inner wall of the connecting pipeline, after butt joint is completed, the square rod and the screw can be separated, rotation of the screw can be prevented, therefore, movement of the ejector block can be prevented, and connection and butt joint of the connector and the pipeline are more stable and convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of explosion-proof reducer joints, in particular to an easy-to-connect explosion-proof reducer joint. Background Art

[0002] The materials of explosion-proof joints are copper alloy, nickel-plated brass, and stainless steel. On the one hand, due to the carbon-free property, they have good thermal conductivity, so when the joints rub or collide with objects, the heat generated in a short time is absorbed and conducted. Another reason is that copper or stainless steel itself is relatively soft, and has good yieldability during friction and collision, and it is not easy to produce tiny metal particles and no sparks, thereby achieving excellent explosion-proof effect.

[0003] The utility model patent with patent authorization announcement number CN217502923U discloses an explosion-proof reducer that is easy to connect, including a pipe and a connector. The pipe is fixedly sleeved with a mounting head, and slots are provided on the inner wall surfaces on both sides of the mounting head. Positioning slots are provided on the side walls of the two slots. The connector is movably plugged into the mounting head, and the elastic reset action of the spring is used to reset the block and the limit block. The limit block will limit the plug block to prevent the plug block from leaving the positioning slot, so that the connection between the connector and the mounting head is completed, thereby completing the connection between the connector and the pipe, the connection is relatively stable, the use is relatively convenient, and the operation is more convenient. At this time, the sealing ring will be close to the surface of the pipe, and the baffle will be close to the surface of the mounting head, so that the sealing of the connection between the connector and the mounting head is better, thereby ensuring the stable operation of the explosion-proof reducer.

[0004] In the above prior art, during the use of the explosion-proof reducer, the pipe and the joint are connected by a spring elastic clamping method. If the joint or the pipe is shaken by force, the spring will expand and contract, which will affect the connection stability between the pipe and the joint. Therefore, improvement is needed. Utility Model Content

[0005] The utility model aims to provide an explosion-proof reducer joint which is easy to connect, thereby solving the problem of insufficient connection stability between a pipeline and a joint.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an easy-to-connect explosion-proof reducer, comprising a connecting head, a mounting head being provided on the back of the connecting head, two symmetrically distributed connecting rods being slidably connected inside the connecting head, top blocks being fixedly connected to the ends of the two connecting rods that are close to each other, sliders being fixedly connected to the left and right ends of the connecting rods, the sliders being slidably connected to the connecting head, a connecting disk being slidably connected inside the front end of the connecting head, a sealing ring being contacted inside the connecting disk, a connecting mechanism being provided on the connecting head, and a limiting mechanism being provided on the connecting disk.

[0007] Preferably, the connection mechanism includes a screw rod, the interior of the connection rod is connected with a screw rod by a thread, the screw rod is rotatably connected to the connector by a bearing, a square groove is provided inside the screw rod, two symmetrically distributed square rods are movably connected inside the connector, a first spring is provided outside the square rod, an end of the square rod away from the screw rod is fixedly connected to a movable rod, a fixed seat is movably sleeved outside the movable rod, the fixed seat is fixedly connected to the connector, and an end of the movable rod away from the square rod is fixedly connected to a handle. By designing the connection mechanism, the connection stability between the pipeline and the connector can be improved.

[0008] Preferably, one end of the first spring is fixedly connected to the connector, and the other end of the first spring is fixedly connected to the movable rod. By designing the first spring, the force of the first spring can act on the movable rod.

[0009] Preferably, the limiting mechanism includes a clamping block, the end of the sealing ring close to the connection disk is fixedly connected with the clamping block, the clamping block is clamped with the connection disk, a second spring is arranged inside the connection disk, an insert block is slidably sleeved inside the connection disk, the insert block is slidably connected with the connector, the outer side of the insert block contacts with a pressure block, the pressure block is slidably connected with the connector, a third spring is arranged outside the pressure block, the end of the pressure block away from the insert block is fixedly connected with a pressure rod, the pressure rod is slidably connected with the connector. By designing the limiting mechanism, the connection disk and the connector can be connected and fixed.

[0010] Preferably, the block and the sealing ring are an integrated structure, and both the block and the sealing ring are made of rubber. The sealing ring can be designed to play an auxiliary sealing role.

[0011] Preferably, a card slot is provided inside the connection disk, and a card block is connected inside the card slot. By designing the connection between the card slot and the card block, the sealing ring can be fixed to the connection disk.

[0012] Preferably, one end of the second spring is fixedly connected to the connection plate, and the other end of the second spring is fixedly connected to the plug block. By designing the second spring, the force of the second spring can act on the plug block.

[0013] Preferably, one end of the third spring is fixedly connected to the connector, and the other end of the third spring is fixedly connected to the compression rod. By designing the third spring, the force of the third spring can act on the compression rod.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. The utility model designs a threaded connection between the screw rod and the connecting rod. When the handle is pressed, the square rod can be inserted into the screw rod. The screw rod can be driven to rotate by turning the handle, thereby realizing the threaded movement of the connecting rod, and then driving the top block to move. The top block can be used to support the inner wall of the connecting pipeline to realize the docking of the connector and the pipeline. After the docking is completed, the square rod can be separated from the screw rod to prevent the screw rod from rotating, thereby preventing the top block from moving, making the connection and docking between the connector and the pipeline more stable and convenient.

[0016] 2. The utility model designs the sealing ring, which can play an auxiliary sealing role when the pipeline is connected to the connector, thereby improving the use effect of pipeline connection. At the same time, the connecting plate can be easily disassembled from the inside of the connector, and the sealing ring can be easily disassembled and replaced when it is worn or aged. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The overall structure of the utility model is three-dimensional Figure 1 ;

[0018] Figure 2 The overall structure of the utility model is three-dimensional Figure 2 ;

[0019] Figure 3 For this utility model Figure 1 A three-dimensional cross-sectional view of the local structure;

[0020] Figure 4 For this utility model Figure 3 A magnified image of point A;

[0021] Figure 5 For this utility model Figure 1 A front cross-sectional view of a connection plate structure;

[0022] Figure 6 For this utility model Figure 5 Enlarged view of point B.

[0023] In the figure: 1. Connecting head; 2. Mounting head; 3. Connecting rod; 4. Top block; 5. Sliding block; 6. Connecting plate; 7. Sealing ring; 8. Connecting mechanism; 9. Limiting mechanism; 81. Screw rod; 82. Square groove; 83. Square rod; 84. First spring; 85. Movable rod; 86. Fixed seat; 87. Handle; 91. Block; 92. Slot; 93. Second spring; 94. Insert block; 95. Pressing block; 96. Third spring; 97. Pressing rod. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1 , Figure 2 , Figure 3 , Figure 5 A kind of explosion-proof reducer which is easy to connect comprises a connector 1, a mounting head 2 is arranged on the back of the connector 1, two symmetrically distributed connecting rods 3 are slidably connected inside the connector 1, one end of the two connecting rods 3 close to each other is fixedly connected with a top block 4, the left and right ends of the connecting rods 3 are fixedly connected with sliders 5, the sliders 5 are slidably connected to the connector 1, a connecting disk 6 is slidably connected inside the front end of the connector 1, a sealing ring 7 is contacted inside the connecting disk 6, a connecting mechanism 8 is arranged on the connector 1, and a limiting mechanism 9 is arranged on the connecting disk 6.

[0026] See also Figure 1 , Figure 3 , Figure 4 The connecting mechanism 8 includes a screw rod 81, the interior of the connecting rod 3 is connected with the screw rod 81 through a thread, the screw rod 81 is rotatably connected to the connecting head 1 through a bearing, a square groove 82 is provided inside the screw rod 81, and the interior of the connecting head 1 is movably connected with two symmetrically distributed square rods 83, and a first spring 84 is arranged on the outside of the square rod 83, one end of the first spring 84 is fixedly connected to the connecting head 1, and the other end of the first spring 84 is fixedly connected to the movable rod 85. By designing the first spring 84, the force of the first spring 84 can act on the movable rod 85, and the movable rod 85 is fixedly connected to the end of the square rod 83 away from the screw rod 81, and the outer side of the movable rod 85 is movably sleeved with a fixed seat 86, and the fixed seat 86 is fixedly connected to the connecting head 1, and the end of the movable rod 85 away from the square rod 83 is fixedly connected to a handle 87. By designing the connecting mechanism 8, the connection stability between the pipeline and the connecting head 1 can be improved.

[0027] See also Figure 1 , Figure 5 , Figure 6The limiting mechanism 9 includes a clamping block 91, and one end of the sealing ring 7 close to the connecting disk 6 is fixedly connected with the clamping block 91. The clamping block 91 and the sealing ring 7 are an integrated structure. The clamping block 91 and the sealing ring 7 are made of rubber. By designing the sealing ring 7, an auxiliary sealing effect can be achieved. The clamping block 91 is clamped with the connecting disk 6. A clamping groove 92 is provided inside the connecting disk 6. The clamping block 91 is clamped inside the clamping groove 92. By designing the clamping connection between the clamping groove 92 and the clamping block 91, the sealing ring 7 and the connecting disk 6 can be fixed. A second spring 93 is provided inside the connecting disk 6. One end of the second spring 93 is fixedly connected to the connecting disk 6, and the other end of the second spring 93 is fixedly connected to the plug block 94. By designing the second spring 93, The force of the second spring 93 can act on the plug block 94. The internal sliding sleeve of the connecting disk 6 is connected with the plug block 94. The plug block 94 is slidably connected to the connecting head 1. The outer side of the plug block 94 contacts with a pressure block 95. The pressure block 95 is slidably connected to the connecting head 1. A third spring 96 is arranged on the outer side of the pressure block 95. One end of the third spring 96 is fixedly connected to the connecting head 1, and the other end of the third spring 96 is fixedly connected to a pressure rod 97. By designing the third spring 96, the force of the third spring 96 can act on the pressure rod 97. The end of the pressure block 95 away from the plug block 94 is fixedly connected with the pressure rod 97. The pressure rod 97 is slidably connected to the connecting head 1. By designing the limiting mechanism 9, the connecting disk 6 can be connected and fixed to the connecting head 1.

[0028] The specific implementation process of the utility model is as follows: when it is necessary to connect the pipe with the connector 1, first insert the pipe into the connector 1, then press the handle 87, the handle 87 drives the movable rod 85 and the square rod 83 to move, the movable rod 85 will squeeze the first spring 84, at this time the square rod 83 will slide into the screw rod 81, then turn the handle 87, the handle 87 drives the movable rod 85 and the square rod 83 to rotate, the square rod 83 drives the screw 81 to rotate, at this time the connecting rod 3 will do a threaded motion, the connecting rod 3 drives the slider 5 along the connector 1 slides, so that the connecting rod 3 drives the top block 4 to move, and the top block 4 moves toward the direction close to the inner wall of the pipeline. The top block 4 contacts the inner wall of the pipeline and can provide internal support for the pipeline, so that the pipeline can be connected to the connector 1 for use. The operation is convenient and quick. When the connection is completed, the movable rod 85 and the square rod 83 can be reset under the elastic action of the first spring 84 by loosening the handle 87, so that the square rod 83 can be separated from the screw rod 81, and the rotation of the screw rod 81 can be prevented, thereby preventing the top block 4 from moving, so that the connection and docking between the connector 1 and the pipeline is more stable. Through the action of the sealing ring 7, when the pipeline is connected to the connector 1, it can play an auxiliary sealing role, thereby improving the use effect of the pipeline connection. When the connecting disk 6 needs to be disassembled, the pressure rod 97 is directly pressed, and the pressure rod 97 drives the pressure block 95 to move. The pressure rod 97 squeezes the third spring 96. At the same time, the pressure block 95 drives the plug block 94 to move, and the plug block 94 squeezes the second spring 93, so that the plug block 94 can be separated from the connector 1. At this time, the connecting disk 6 can be horizontally moved and taken out from the inside of the connector 1, and then the sealing ring 7 can be separated from the connecting disk 6 by the clamping connection between the clamping block 91 and the clamping groove 92. When the sealing ring 7 is worn or aged, it can be conveniently disassembled and replaced.

[0029] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An easily connectable explosion-proof reducer, comprising a connector (1), characterized in that: The back of the connecting head (1) is provided with a mounting head (2), and two symmetrically distributed connecting rods (3) are slidably connected inside the connecting head (1), and the ends of the two connecting rods (3) close to each other are fixedly connected with a top block (4), and the left and right ends of the connecting rods (3) are fixedly connected with sliders (5), and the sliders (5) are slidably connected to the connecting head (1), and the front end of the connecting head (1) is slidably connected to a connecting disk (6), and the inside of the connecting disk (6) is in contact with a sealing ring (7), and a connecting mechanism (8) is provided on the connecting head (1), and a limiting mechanism (9) is provided on the connecting disk (6).

2. The easily connectable explosion-proof reducer according to claim 1, characterized in that: The connecting mechanism (8) comprises a screw rod (81), the interior of the connecting rod (3) is connected with the screw rod (81) by means of a thread, the screw rod (81) is rotatably connected to the connecting head (1) by means of a bearing, the interior of the screw rod (81) is provided with a square groove (82), the interior of the connecting head (1) is movably connected with two symmetrically distributed square rods (83), the outer side of the square rod (83) is provided with a first spring (84), the end of the square rod (83) away from the screw rod (81) is fixedly connected with a movable rod (85), the outer side of the movable rod (85) is movably sleeved with a fixed seat (86), the fixed seat (86) is fixedly connected to the connecting head (1), and the end of the movable rod (85) away from the square rod (83) is fixedly connected with a handle (87).

3. The easily connectable explosion-proof reducer according to claim 2, characterized in that: One end of the first spring (84) is fixedly connected to the connecting head (1), and the other end of the first spring (84) is fixedly connected to the movable rod (85).

4. The easily connectable explosion-proof reducer according to claim 1, characterized in that: The limiting mechanism (9) comprises a clamping block (91), one end of the sealing ring (7) close to the connecting disk (6) is fixedly connected with the clamping block (91), the clamping block (91) is clamped with the connecting disk (6), a second spring (93) is arranged inside the connecting disk (6), an inserting block (94) is slidably sleeved inside the connecting disk (6), the inserting block (94) is slidably connected with the connecting head (1), the outer side of the inserting block (94) contacts with a pressure block (95), the pressure block (95) is slidably connected with the connecting head (1), a third spring (96) is arranged outside the pressure block (95), and the end of the pressure block (95) away from the inserting block (94) is fixedly connected with a pressure rod (97), and the pressure rod (97) is slidably connected with the connecting head (1).

5. The easily connectable explosion-proof reducer according to claim 4, characterized in that: The clamping block (91) and the sealing ring (7) are an integrated structure, and both the clamping block (91) and the sealing ring (7) are made of rubber material.

6. The easily connectable explosion-proof reducer according to claim 1, characterized in that: A card slot (92) is provided inside the connection disk (6), and a card block (91) is card-engaged inside the card slot (92).

7. The easily connectable explosion-proof reducer according to claim 4, characterized in that: One end of the second spring (93) is fixedly connected to the connecting plate (6), and the other end of the second spring (93) is fixedly connected to the insert block (94).

8. The easily connectable explosion-proof reducer according to claim 4, characterized in that: One end of the third spring (96) is fixedly connected to the connecting head (1), and the other end of the third spring (96) is fixedly connected to the pressure rod (97).

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