A pneumatic joint capable of regulating flow

Abstract

The utility model provides a pneumatic joint capable of adjusting flow, and relates to the technical field of pneumatic joints. The utility model comprises a first pneumatic joint and a second pneumatic joint, a flow adjusting device is arranged between the first pneumatic joint and the second pneumatic joint, a limiting device is arranged on one side of the first pneumatic joint, the flow adjusting device comprises a fan-shaped hole block, the outer surface of the fan-shaped hole block is fixedly connected to the inner wall of one end of the first pneumatic joint, one side of the fan-shaped hole block is rotatably connected with an adjusting block, and the two sides of the adjusting block are respectively rotatably connected to the first pneumatic joint and the second pneumatic joint. The utility model controls the rotation angle of the adjusting block by arranging the flow adjusting device, so that the inner wall of the adjusting block can be misaligned with the inner wall of the fan-shaped hole block to form through holes of different sizes, so as to control the flow area and control the flow, thereby improving the practicality of the first pneumatic joint and the second pneumatic joint.

Description

Technical Field

[0001] The utility model relates to the technical field of pneumatic joints, in particular to a pneumatic joint capable of adjusting flow. Background Art

[0002] Pneumatic connectors are an important component of connecting pneumatic components. Their main function is to connect air pipes of different diameters to achieve airflow transmission and control.

[0003] When a pneumatic connector is used to connect two adjacent pipes during the assembly of pneumatic components, the interior of the existing pneumatic connector is generally in a straight-through state and cannot be adjusted to control the amount of air flowing inside, resulting in a single function and poor practicality during actual use. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and provides a pneumatic joint capable of adjusting flow.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a pneumatic joint capable of adjusting flow, comprising a first pneumatic joint and a second pneumatic joint, a flow adjusting device is arranged between the first pneumatic joint and the second pneumatic joint, a limiting device is arranged on one side of the first pneumatic joint, the flow adjusting device comprises a fan-shaped hole block, the outer surface of the fan-shaped hole block is fixedly connected to the inner wall of one end of the first pneumatic joint, one side of the fan-shaped hole block is rotatably connected with an adjusting block, the two sides of the adjusting block are respectively rotatably connected to one side of the first pneumatic joint and the second pneumatic joint, the through hole on the adjusting block is consistent in size with the inner wall of the through hole on the fan-shaped hole block, a plurality of slots are opened on one side of the adjusting block, the outer surface of the first pneumatic joint is fixedly connected with a sliding hole block, the inner wall of the sliding hole block is slidably connected with a clamping rod, and one end of the clamping rod is inserted in the inner wall of the clamping slot.

[0006] The effect achieved by the above-mentioned components is as follows: by setting a flow regulating device, when a pneumatic joint is used to connect two adjacent pipes during the assembly of pneumatic components, the regulating block can be manually held and rotated to a certain position on one side of the first pneumatic joint, the second pneumatic joint and the fan-shaped hole block according to actual use needs, so that the inner wall and the fan-shaped hole block are misaligned, and the solid part blocks a part of the through hole of the fan-shaped hole block to form a through hole of a new size, thereby reducing the circulation area and reducing the flow rate of the circulating gas, and then the clamping rod is manually held and slid to one end in the inner wall of the sliding hole block to a certain position, so that one end of the clamping rod is inserted into the clamping groove to fix the regulating block in a limited position, and by controlling the rotation angle of the regulating block, the inner wall and the inner wall of the fan-shaped hole block can be misaligned to form through holes of different sizes, thereby controlling the circulation area and the flow rate, thereby improving the practicality of the first pneumatic joint and the second pneumatic joint.

[0007] Preferably, a plurality of limit blocks are symmetrically fixedly connected to one side of the adjustment block, and the limit blocks are fixed on one side of the entrance of the slot in an inclined manner.

[0008] The effect achieved by the above components is: by setting the limit block, the area of ​​the entrance of the card slot can be increased, so that the card rod can be quickly aligned and inserted.

[0009] Preferably, a plurality of protrusions are fixedly connected to the outer surface of the adjustment block, and the plurality of protrusions are arranged at equal distances.

[0010] The effect achieved by the above components is that by providing the protrusions, the roughness of the outer surface of the adjusting block can be increased, so that it is not easy to slip when manually holding and rotating.

[0011] Preferably, a telescopic rod is fixedly connected to one side of the clamping rod, one end of the telescopic rod is fixedly connected to one side of the sliding hole block, the outer surface of the telescopic rod is sleeved with a spring, and both ends of the spring are respectively fixedly connected to the clamping rod and one side of the sliding hole block.

[0012] The effect achieved by the above components is: by arranging the telescopic rod and the spring, when the card rod is pulled out of the card slot, the telescopic rod and the spring will be stretched apart. At this time, when the card rod is released, the spring and the telescopic rod will reset and drive the card rod to be stuck into the card slot, making its clamping more firm and stable.

[0013] Preferably, the limiting device includes a bracket, a threaded rod, a nut and a gasket, one end of the bracket is fixedly connected to one side of the first pneumatic joint, one end of the bracket is fixedly connected to an elastic arc block, and the outer surface of one end of the threaded rod passes through both ends of the elastic arc block and is threadedly inserted in the inner wall of the nut.

[0014] The effect achieved by the above-mentioned components is: by setting a limiting device, when the pipe is screwed onto the first pneumatic joint, the elastic arc block can be clamped on the outer surface of the pipe, and then the threaded rod is inserted into the two ends of the elastic arc block and penetrates out. At this time, when the nut is screwed onto the threaded rod to a certain position, one side abuts against one side of the elastic arc block, and drives the elastic arc block to contract to clamp and fix the pipe, so that the connected pipe can be fixed and limited for a second time, making it less likely to fall off, and the connection is more firm and stable.

[0015] Preferably, a plurality of screw blocks are fixedly connected to the outer surface of one end of the threaded rod, and the screw blocks are arranged on an end of the threaded rod away from the nut.

[0016] The effect achieved by the above components is that by providing the twist block, the contact area of ​​one end of the threaded rod can be increased, making it easier to manually hold and twist it.

[0017] Preferably, the gasket is sleeved on the outer surface of one end of the threaded rod, and the gasket is arranged between one side of the nut and one end of the elastic arc block.

[0018] The effect achieved by the above components is: by setting the gasket, the contact area between the nut and one end of the elastic arc block can be increased, making it more firmly fixed when abutting, squeezing and fixing, and less likely to loosen due to self-rotation and fall off.

[0019] Preferably, an anti-sliding block is fixedly connected to the inner wall of the elastic arc block, and the anti-sliding block is made of rubber.

[0020] The effect achieved by the above components is that by providing the anti-sliding block, the contact friction force of the inner wall of the elastic arc block can be increased, making it more secure when clamping and fixing the pipeline.

[0021] Compared with the prior art, the advantages and positive effects of the utility model are:

[0022] In the utility model, by setting a flow regulating device to control the rotation angle of the regulating block, the inner wall of the regulating block can be misaligned with the inner wall of the fan-shaped hole block to form through holes of different sizes, thereby controlling the flow area and the flow rate, thereby improving the practicality of the first pneumatic joint and the second pneumatic joint. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0024] Figure 2 It is a schematic diagram of the three-dimensional structure of the fan-shaped hole block of the utility model;

[0025] Figure 3 for Figure 2 A three-dimensional schematic diagram of the structure of the middle part;

[0026] Figure 4 It is a schematic diagram of the three-dimensional structure of the elastic arc block of the utility model.

[0027] Legend: 1. First pneumatic joint; 2. Flow regulating device; 3. Limiting device; 4. Second pneumatic joint; 21. Fan-shaped hole block; 22. Adjusting block; 23. Slot; 24. Sliding hole block; 25. Clamping rod; 26. Limiting block; 27. Bump; 28. Telescopic rod; 29. ​​Spring; 31. Bracket; 32. Elastic arc block; 33. Threaded rod; 34. Nut; 35. Twist block; 36. Gasket; 37. Anti-sliding block. DETAILED DESCRIPTION

[0028] Embodiment 1, as Figure 1-4 As shown, a pneumatic joint capable of adjusting flow rate comprises a first pneumatic joint 1 and a second pneumatic joint 4, a flow regulating device 2 is arranged between the first pneumatic joint 1 and the second pneumatic joint 4, a limiting device 3 is arranged on one side of the first pneumatic joint 1, the flow regulating device 2 comprises a fan-shaped hole block 21, the outer surface of the fan-shaped hole block 21 is fixedly connected to the inner wall of one end of the first pneumatic joint 1, an adjusting block 22 is rotatably connected to one side of the fan-shaped hole block 21, both sides of the adjusting block 22 are rotatably connected to one side of the first pneumatic joint 1 and the second pneumatic joint 4 respectively, the through hole on the adjusting block 22 is consistent in size with the inner wall of the through hole on the fan-shaped hole block 21, a plurality of card slots 23 are opened on one side of the adjusting block 22, a sliding hole block 24 is fixedly connected to the outer surface of the first pneumatic joint 1, a card rod 25 is slidably connected to the inner wall of the sliding hole block 24, and one end of the card rod 25 is inserted into the inner wall of the card slot 23. When using a pneumatic joint to connect two adjacent pipes during the assembly of pneumatic components, according to actual use needs, manually hold the adjusting block 22 and rotate it to a certain position on one side of the first pneumatic joint 1, the second pneumatic joint 4 and the fan-shaped hole block 21, so that its inner wall is misaligned with the fan-shaped hole block 21, and the solid part blocks a part of the through hole of the fan-shaped hole block 21 to form a through hole of a new size, thereby reducing the circulation area and reducing the flow rate of the circulating gas. Then, manually hold the clamping rod 25 and slide it to one end in the inner wall of the sliding hole block 24 to a certain position, so that one end of it is inserted into the clamping groove 23, and the adjusting block 22 is fixed and limited. By controlling the rotation angle of the adjusting block 22, the inner wall can be misaligned with the inner wall of the fan-shaped hole block 21 to form through holes of different sizes, so as to control the circulation area and flow rate, thereby improving the practicality of the first pneumatic joint 1 and the second pneumatic joint 4.

[0029] Reference Figure 2 and Figure 3As shown, the present embodiment discloses that one side of the adjusting block 22 is symmetrically fixedly connected with a plurality of limit blocks 26, and the limit blocks 26 are fixedly fixed at one side of the entrance of the card slot 23 in an inclined manner. By providing the limit blocks 26, the area of ​​the entrance of the card slot 23 can be increased, so that the card rod 25 can be quickly aligned and inserted. The outer surface of the adjusting block 22 is fixedly connected with a plurality of protrusions 27, and the plurality of protrusions 27 are arranged at equal distances. By providing the protrusions 27, the roughness of the outer surface of the adjusting block 22 can be increased, so that it is not easy to slip when it is manually held and rotated.

[0030] Reference Figure 2 and Figure 3 As shown, this embodiment discloses that a telescopic rod 28 is fixedly connected to one side of the clamping rod 25, one end of the telescopic rod 28 is fixedly connected to one side of the sliding hole block 24, and a spring 29 is sleeved and connected to the outer surface of the telescopic rod 28, and the two ends of the spring 29 are respectively fixedly connected to the clamping rod 25 and one side of the sliding hole block 24. By providing the telescopic rod 28 and the spring 29, when the clamping rod 25 is pulled out of the clamping slot 23, the telescopic rod 28 and the spring 29 will be stretched apart, and at this time, when the clamping rod 25 is released, the spring 29 and the telescopic rod 28 will reset and drive the clamping rod 25 to clamp into the clamping slot 23, so that the clamping connection is more firm and stable.

[0031] Reference Figure 4 As shown, the present embodiment discloses a limiting device 3 including a bracket 31, a threaded rod 33, a nut 34 and a gasket 36. One end of the bracket 31 is fixedly connected to one side of the first pneumatic joint 1, and one end of the bracket 31 is fixedly connected to an elastic arc block 32. The outer surface of one end of the threaded rod 33 passes through the two ends of the elastic arc block 32 and is threadedly inserted into the inner wall of the nut 34. When the pipe is screwed onto the first pneumatic joint 1, the elastic arc block 32 can be clamped on the outer surface of the pipe, and then the threaded rod 33 is inserted into the two ends of the elastic arc block 32 and passes through. At this time, the nut 34 is screwed onto the threaded rod 33 to a certain position, and one side abuts against one side of the elastic arc block 32, and drives the elastic arc block 32 to shrink and clamp the pipe, so that the connected pipe can be fixed and limited for a second time, so that it is not easy to fall off, and the connection is more firm and stable.

[0032] Reference Figure 4As shown, the present embodiment discloses that a plurality of screw blocks 35 are fixedly connected to the outer surface of one end of the threaded rod 33, and the screw block 35 is arranged on the end of the threaded rod 33 away from the nut 34. By setting the screw block 35, the contact area of ​​one end of the threaded rod 33 can be increased, so that it is convenient to manually hold and twist it. The gasket 36 is sleeved on the outer surface of one end of the threaded rod 33, and the gasket 36 is arranged between one side of the nut 34 and one end of the elastic arc block 32. By setting the gasket 36, the contact area between the nut 34 and one end of the elastic arc block 32 can be increased, so that it is more firmly fixed when it is abutted and squeezed, and it is not easy to loosen due to self-rotation and fall off. The inner wall of the elastic arc block 32 is fixedly connected with an anti-sliding block 37, and the anti-sliding block 37 is made of rubber. By setting the anti-sliding block 37, the contact friction of the inner wall of the elastic arc block 32 can be increased, so that it is more firmly fixed when the pipeline is clamped.

[0033] Working principle: when using a pneumatic joint to connect two adjacent pipes during the assembly of pneumatic components, according to actual use needs, first manually pull the clamping rod 25 outward in the inner wall of the sliding hole block 24 to a certain position, so that one end of it is pulled out of the clamping groove 23, driving the telescopic rod 28 and the spring 29 to stretch, and then manually hold the protrusion 27 and the adjustment block 22 and rotate them to a certain position on one side of the first pneumatic joint 1 and the second pneumatic joint 4 and the fan-shaped hole block 21, so that the inner wall and the fan-shaped hole block 21 are misaligned, and the solid part of the fan-shaped hole block 21 is dislocated. A part of the through hole of the hole block 21 is blocked to form a through hole of a new size, thereby reducing the circulation area and the flow rate of the circulating gas, and then the clamping rod 25 is loosened, and under the reset action of the spring 29, one end of the clamping rod 25 will be driven to insert into the clamping groove 23, and the adjustment block 22 will be fixed and limited. By controlling the rotation angle of the adjustment block 22, its inner wall can be misaligned with the inner wall of the fan-shaped hole block 21 to form through holes of different sizes, thereby controlling the circulation area and the flow rate, thereby improving the practicality of the first pneumatic joint 1 and the second pneumatic joint 4.

[0034] When the pipe is screwed onto the first pneumatic joint 1, the elastic arc block 32 can be clamped on the outer surface of the pipe, and then the threaded rod 33 is inserted into the two ends of the elastic arc block 32 and passed through. At this time, the gasket 36 is sleeved on the outer surface of one end of the threaded rod 33, and then the nut 34 is screwed onto the threaded rod 33 to a certain position so that one side abuts against one side of the elastic arc block 32, and drives the elastic arc block 32 to shrink and clamp the pipe, so that the connected pipe can be fixed and limited for a second time, so that it is not easy to fall off, and the connection is more firm and stable.

Claims

1. A pneumatic connector capable of regulating flow, comprising a first pneumatic connector (1) and a second pneumatic connector (4), characterized in that: A flow regulating device (2) is provided between the first pneumatic joint (1) and the second pneumatic joint (4), a limit device (3) is provided on one side of the first pneumatic joint (1), the flow regulating device (2) comprises a fan-shaped hole block (21), the outer surface of the fan-shaped hole block (21) is fixedly connected to the inner wall of one end of the first pneumatic joint (1), one side of the fan-shaped hole block (21) is rotatably connected to an adjusting block (22), two sides of the adjusting block (22) are respectively rotatably connected to the first pneumatic joint (1) and one side of the second pneumatic joint (4), the through hole on the adjusting block (22) is of the same size as the inner wall of the through hole on the fan-shaped hole block (21), a plurality of clamping grooves (23) are provided on one side of the adjusting block (22), the outer surface of the first pneumatic joint (1) is fixedly connected to a sliding hole block (24), the inner wall of the sliding hole block (24) is slidably connected to a clamping rod (25), one end of the clamping rod (25) is inserted into the inner wall of the clamping groove (23).

2. A flow-adjustable pneumatic connector according to claim 1, characterized in that: A plurality of limit blocks (26) are symmetrically fixedly connected to one side of the adjustment block (22), and the limit blocks (26) are fixed in an inclined manner on one side of the entrance of the slot (23).

3. A flow-adjustable pneumatic connector according to claim 1, characterized in that: A plurality of protrusions (27) are fixedly connected to the outer surface of the adjustment block (22), and the plurality of protrusions (27) are arranged at equal distances.

4. A flow-adjustable pneumatic connector according to claim 1, characterized in that: A telescopic rod (28) is fixedly connected to one side of the clamping rod (25), one end of the telescopic rod (28) is fixedly connected to one side of the sliding hole block (24), a spring (29) is sleeved on the outer surface of the telescopic rod (28), and two ends of the spring (29) are respectively fixedly connected to one side of the clamping rod (25) and the sliding hole block (24).

5. A flow-adjustable pneumatic connector according to claim 1, characterized in that: The limiting device (3) comprises a bracket (31), a threaded rod (33), a nut (34) and a gasket (36); one end of the bracket (31) is fixedly connected to one side of the first pneumatic joint (1); one end of the bracket (31) is fixedly connected to an elastic arc block (32); an outer surface of one end of the threaded rod (33) passes through two ends of the elastic arc block (32) and is threadedly inserted into the inner wall of the nut (34).

6. A flow-adjustable pneumatic connector according to claim 5, characterized in that: A plurality of screw blocks (35) are fixedly connected to the outer surface of one end of the threaded rod (33), and the screw blocks (35) are arranged on an end of the threaded rod (33) away from the nut (34).

7. A flow-adjustable pneumatic connector according to claim 5, characterized in that: The gasket (36) is sleeved on the outer surface of one end of the threaded rod (33), and the gasket (36) is arranged between one side of the nut (34) and one end of the elastic arc block (32).

8. The flow-adjustable pneumatic connector according to claim 5, characterized in that: An anti-sliding block (37) is fixedly connected to the inner wall of the elastic arc block (32), and the anti-sliding block (37) is made of rubber.

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