A test device for pressure reducer production

Abstract

The invention discloses a test device for pressure reducer production, and specifically relates to the technical field of pressure reducer production detection. According to the invention, a pipeline contacts with a plurality of raised small balls on an annular pad in a fixed clamping sleeve, and the pipeline at the other end is loaded into a movable clamping sleeve and contacts with a plurality of raised small balls on annular pad in the movable clamping sleeve. A slide block slides with a guide rod, thereby realizing rapid installation of the pipeline, the fixed clamping sleeve and the movable clamping sleeve, facilitating the testing of the pressure reducer and ensuring the stability of the testing. A docking installation head and a testing hose are rotated through the cooperation of an annular protrusion and a rotating cavity, and a docking cavity on an end face of the docking installation head is docked with a hole groove of the pipeline. The docking installation head is toggled by two fixed rods, and the docking installation head is threadedly connected with the pipeline. The end of the pipeline is in close contact with a sealing gasket in the docking cavity, thereby ensuring the sealing between the pipeline and the testing hose and ensuring the accuracy of the testing.

Description

Technical Field

[0001] The invention relates to the technical field of pressure reducer production detection, in particular to a pressure reducer production testing device. Background Art

[0002] A pressure reducer is a regulating device that reduces high-pressure gas to low-pressure gas and keeps the pressure and flow of the output gas stable. Since the pressure inside the gas cylinder is high, while the pressure required for gas welding, gas cutting and the point of use is relatively low, a pressure reducer is needed. During production, the pressure reducer needs to be tested for pressure reduction effect, output flow and sealing.

[0003] After searching, the utility model patent with publication number CN212158963U discloses a test device for pressure reducer production, which solves the problem that most of the existing pressure reducer detection devices are precision detection devices without initial inspection detection devices, which makes the detection time long, resulting in reduced production efficiency and increased costs; however, when testing the pressure reducer, it is usually necessary to tighten the pipeline. The existing practice is to use bolts for installation. Although it can achieve a good fixing effect, this installation efficiency is low and the operation is inconvenient; in addition, when the pipelines are connected, the sealing between the pipelines is tested, and the installation effect is not good. Summary of the invention

[0004] The purpose of the present invention is to provide a testing device for the production of a pressure reducer, wherein the pipe contacts with several raised balls on the annular pad in the fixed clamping sleeve, and then the pipe at the other end is loaded into the movable clamping sleeve, and the pipe at the other end contacts with several raised balls on the annular pad in the movable clamping sleeve, and then the external force acting on the pull block is removed, the spring recovers its deformation, and the slider and the guide rod slide, thereby realizing the rapid installation of the pipe and the fixed clamping sleeve and the movable clamping sleeve, facilitating the testing of the pressure reducer, ensuring the stability of the test, and solving the problems mentioned in the above-mentioned background technology.

[0005] The present invention can be achieved through the following technical scheme: a test device for pressure reducer production, including a test box, a regulating valve cylinder is arranged inside the test box, pipes are installed at both ends of the regulating valve cylinder, a clamping and positioning mechanism for limiting the two pipes is installed in the inner cavity of the test box, the clamping and positioning mechanism includes a movable clamping sleeve and a fixed clamping sleeve, a slider is fixedly connected to the end surface of the movable clamping sleeve, a slide groove for accommodating the slider is provided on the surface of the test box, a guide rod slidably connected to the slider is horizontally installed inside the slide groove, a spring is sleeved on the outside of the guide rod and is located between the slide groove and the slider, an annular pad is fitted inside the movable clamping sleeve, and a plurality of raised balls that are in fit contact with the pipe are provided on the inner wall of the annular pad.

[0006] A further technical improvement of the present invention is that a pulling block for pulling the movable clamping sleeve to move is fixedly connected to the surface of the sliding block.

[0007] A further technical improvement of the present invention is that one end of the pipeline is connected to a docking installation head, and the other end of the pipeline is connected to a connecting pipe, and a test hose is rotatably provided at the end of the docking installation head.

[0008] A further technical improvement of the present invention is that a sealing docking mechanism is arranged between the docking installation head and the pipeline, and the sealing docking mechanism includes a docking cavity arranged on the end surface of the docking installation head, and a sealing gasket is installed inside the docking cavity and is in contact with the end surface of the pipeline.

[0009] A further technical improvement of the present invention is that a rotating cavity is provided on the side of the interior of the docking mounting head away from the docking cavity, two fixing rods are symmetrically installed on the outer surface of the docking mounting head, an annular protrusion is provided on the end surface of the test hose for rotating with the rotating cavity, and a sealing gasket 2 is provided on the end face of the test hose for fitting with the end face of the rotating cavity.

[0010] A further technical improvement of the present invention is that a water tank is installed on the bottom surface of the inner cavity of the test box, and a vacant portion is provided on the bottom surface of the test box, a test air pump is installed on the top surface of the test box, the end of the connecting pipe is connected to the outlet end of the test air pump, and the end of the test hose extends into the interior of the water tank.

[0011] A further technical improvement of the present invention is that two pressure gauges are embedded and installed on the top surface of the regulating valve cylinder, and a flow valve for adjusting the flow rate is installed on the front side of the regulating valve cylinder.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. In the present invention, the pipe contacts with several protruding balls on the annular pad in the fixed clamping sleeve, and then the pipe at the other end is loaded into the movable clamping sleeve, and the pipe at the other end contacts with several protruding balls on the annular pad in the movable clamping sleeve, and then the external force acting on the pull block is removed, the spring recovers its deformation, and the slider and the guide rod slide, thereby realizing the rapid installation of the pipe and the fixed clamping sleeve and the movable clamping sleeve, facilitating the test of the pressure reducer and ensuring the stability of the test;

[0014] 2. In the present invention, the docking mounting head and the test hose are rotated by the cooperation of the annular protrusion and the rotating cavity, and a sealing effect is achieved under the action of the sealing gasket 2. Then, the docking cavity on the end face of the docking mounting head is docked with the hole groove of the pipeline. The docking mounting head is moved by two fixing rods, and the docking mounting head is connected to the pipeline thread, so that the end of the pipeline enters the docking cavity and fits with the sealing gasket 1 in the docking cavity, thereby ensuring the sealing between the pipeline and the test hose and ensuring the accuracy of the test. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to facilitate understanding by those skilled in the art, the present invention is further described below with reference to the accompanying drawings.

[0016] Figure 1 It is a schematic diagram of the internal structure of the present invention;

[0017] Figure 2 This is a schematic diagram of the structural connection between the movable clamping sleeve and the pipeline of the present invention;

[0018] Figure 3 It is a schematic diagram of the three-dimensional structure of the movable clamping sleeve of the present invention;

[0019] Figure 4 It is a schematic diagram of the structural connection between the pipeline and the butt mounting head of the present invention.

[0020] In the figure: 1. test box; 2. test air pump; 3. movable clamping sleeve; 4. regulating valve cylinder; 5. pipeline; 6. connecting pipe; 7. pressure gauge; 8. docking installation head; 9. test hose; 10. water tank; 11. vacant part; 12. annular gasket; 13. slide groove; 14. guide rod; 15. spring; 16. slider; 17. pull block; 18. raised ball; 19. fixed rod; 20. rotating cavity; 21. annular protrusion; 22. docking cavity; 23. sealing gasket 1; 24. sealing gasket 2; 25. fixed clamping sleeve. DETAILED DESCRIPTION

[0021] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined invention purpose, the specific implementation methods, structures, features and effects of the present invention are described in detail below in conjunction with the accompanying drawings and preferred embodiments.

[0022] See also Figure 1-Figure 4As shown, the present invention provides a test device for pressure reducer production, including a test box 1, a regulating valve cylinder 4 is arranged inside the test box 1, pipes 5 are installed at both ends of the regulating valve cylinder 4, and a clamping and positioning mechanism for limiting the two pipes 5 is installed in the inner cavity of the test box 1, the clamping and positioning mechanism includes a movable clamping sleeve 3 and a fixed clamping sleeve 25, the end surface of the movable clamping sleeve 3 is fixedly connected with a slider 16, a slide groove 13 for accommodating the slider 16 is arranged on the surface of the test box 1, a guide rod 14 slidably connected to the slider 16 is horizontally installed inside the slide groove 13, a spring 15 is sleeved on the outside of the guide rod 14 and is located between the slide groove 13 and the slider 16, an annular pad 12 is fitted inside the movable clamping sleeve 3 and the fixed clamping sleeve 25, and a plurality of raised balls 18 that fit and contact with the pipe 5 are arranged on the inner wall of the annular pad 12.

[0023] When in use, the slider 16 is pulled by the pull block 17, and the slider 16 slides in the guide rod 14 and squeezes the spring 15, causing the spring 15 to produce elastic deformation, and then the pipe 5 on the regulating valve cylinder 4 is installed into the fixed clamping sleeve 25, and the pipe 5 contacts with several raised balls 18 on the annular pad 12 in the fixed clamping sleeve 25, and then the pipe 5 at the other end is installed into the movable clamping sleeve 3, and the pipe 5 at the other end contacts with several raised balls 18 on the annular pad 12 in the movable clamping sleeve 3, and then the external force acting on the pull block 17 is removed, the spring 15 recovers its deformation, and the slider 16 slides with the guide rod 14, thereby realizing the rapid installation of the pipe 5, the fixed clamping sleeve 25 and the movable clamping sleeve 3, which is convenient for testing the pressure reducer.

[0024] A pulling block 17 for pulling the movable clamping sleeve 3 to move is fixedly connected to the surface of the sliding block 16 .

[0025] One end of the pipeline 5 is connected to a docking installation head 8 , and the other end of the pipeline 5 is connected to a connecting pipe 6 , and a test hose 9 is rotatably provided at the end of the docking installation head 8 .

[0026] A sealing docking mechanism is arranged between the docking mounting head 8 and the pipeline 5, and the sealing docking mechanism includes a docking cavity 22 arranged on the end surface of the docking mounting head 8, and a sealing gasket 23 is installed inside the docking cavity 22 and is in close contact with the end surface of the pipeline 5. A rotating cavity 20 is arranged on the side of the docking mounting head 8 away from the docking cavity 22, and two fixing rods 19 are symmetrically arranged on the outer surface of the docking mounting head 8. An annular protrusion 21 that rotates with the rotating cavity 20 is arranged on the end surface of the test hose 9, and a sealing gasket 24 that fits with the end surface of the rotating cavity 20 is arranged on the end face of the test hose 9.

[0027] When in use, after the two pipes 5 are installed, one of the pipes 5 is connected to the outlet end of the test air pump 2 through the connecting pipe 6, and the other pipe 5 is connected to the test hose 9. The end of the test hose 9 is rotatably installed with a docking mounting head 8, wherein the docking mounting head 8 and the test hose 9 are rotated through the cooperation of the annular protrusion 21 and the rotating cavity 20, and under the action of the sealing gasket 24, a sealing effect is achieved. Then, the docking cavity 22 on the end face of the docking mounting head 8 is docked with the hole groove of the pipe 5, and the docking mounting head 8 is moved by two fixing rods 19. The docking mounting head 8 is threadedly connected to the pipe 5, so that the end of the pipe 5 enters the docking cavity 22 and fits and contacts with the sealing gasket 23 in the docking cavity 22, thereby ensuring the sealing between the pipe 5 and the test hose 9 and ensuring the accuracy of the test.

[0028] Two pressure gauges 7 are embedded in the top surface of the regulating valve cylinder 4 , and a flow valve for adjusting the flow rate is installed on the front side of the regulating valve cylinder 4 . A valve disc is arranged inside the flow valve for adjusting the flow rate of the gas in the valve cylinder 4 .

[0029] A water tank 10 is installed on the bottom surface of the inner cavity of the test box 1, and a vacant portion 11 is provided on the bottom surface of the test box 1. A test air pump 2 is installed on the top surface of the test box 1. The end of the connecting pipe 6 is connected to the outlet end of the test air pump 2. The end of the test hose 9 extends into the interior of the water tank 10. A drain outlet passing through the interior of the vacant portion 11 is installed at the bottom of the water tank 10, and a water stop valve is installed on the drain outlet.

[0030] The test of the pressure reducer is a mature technical means in this field. First, water is injected into the water tank 10. After the water level reaches a suitable position, the water injection is stopped, and the installed test hose 9 is passed into the water tank 10. By operating the test air pump 2 and reaching the required air pressure, the pressure reducer is initially inspected, and the status of the pressure reducer is confirmed by the two pressure gauges 7. Then, the pressure inside the pressure reducer is relieved, and finally, the connection between the test hose 9 and one of the pipes 5 in the pressure reducer is disconnected to complete the test of the pressure reducer.

[0031] When the present invention is in use, the pipe 5 contacts with a plurality of protruding balls 18 on the annular pad 12 in the fixed clamping sleeve 25, and then the pipe 5 at the other end is loaded into the movable clamping sleeve 3, and the pipe 5 at the other end contacts with a plurality of protruding balls 18 on the annular pad 12 in the movable clamping sleeve 3, and then the external force acting on the pull block 17 is removed, the spring 15 recovers its deformation, and the slider 16 slides with the guide rod 14, thereby realizing the rapid installation of the pipe 5, the fixed clamping sleeve 25 and the movable clamping sleeve 3, facilitating the test of the pressure reducer and ensuring the stability of the test;

[0032] The docking mounting head 8 and the test hose 9 are rotated by the cooperation of the annular protrusion 21 and the rotating cavity 20, and a sealing effect is achieved under the action of the sealing gasket 24. Then, the docking cavity 22 on the end face of the docking mounting head 8 is docked with the hole groove of the pipe 5. The docking mounting head 8 is moved by two fixing rods 19, and the docking mounting head 8 is threadedly connected to the pipe 5, so that the end of the pipe 5 enters the docking cavity 22 and fits and contacts with the sealing gasket 23 in the docking cavity 22, thereby ensuring the sealing between the pipe 5 and the test hose 9 and ensuring the accuracy of the test.

[0033] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A test device for pressure reducer production, comprising a test box (1), wherein a regulating valve cylinder (4) is arranged inside the test box (1), and pipes (5) are installed at both ends of the regulating valve cylinder (4), characterized in that: The inner cavity of the test box (1) is provided with a clamping and positioning mechanism for limiting the position of the two pipes (5), the clamping and positioning mechanism comprising a movable clamping sleeve (3) and a fixed clamping sleeve (25), the end surface of the movable clamping sleeve (3) is fixedly connected with a slider (16), the surface of the test box (1) is provided with a slide groove (13) for accommodating the slider (16), the interior of the slide groove (13) is horizontally provided with a guide rod (14) slidably connected with the slider (16), the exterior of the guide rod (14) is provided with a spring (15) between the slide groove (13) and the slider (16), the interior of the movable clamping sleeve (3) is provided with an annular pad (12), the inner wall of the annular pad (12) is provided with a plurality of raised small balls (18) which are in close contact with the pipe (5); One end of the pipeline (5) is connected to a docking installation head (8), and the other end of the pipeline (5) is connected to a connecting pipe (6), and a test hose (9) is rotatably provided at the end of the docking installation head (8); A water tank (10) is installed on the bottom surface of the inner cavity of the test box (1), and a vacant portion (11) is provided on the bottom surface of the test box (1). A test air pump (2) is installed on the top surface of the test box (1), the end of the connecting pipe (6) is connected to the outlet end of the test air pump (2), and the end of the test hose (9) extends into the interior of the water tank (10).

2. A test device for pressure reducer production according to claim 1, characterized in that: A pulling block (17) for pulling the movable clamping sleeve (3) to move is fixedly connected to the surface of the sliding block (16).

3. A test device for pressure reducer production according to claim 1, characterized in that: A sealing docking mechanism is provided between the docking installation head (8) and the pipe (5), and the sealing docking mechanism comprises a docking cavity (22) provided on the end surface of the docking installation head (8), and a sealing gasket (23) is installed inside the docking cavity (22) and is in close contact with the end surface of the pipe (5).

4. A pressure reducer production testing device according to claim 3, characterized in that: A rotating cavity (20) is provided on a side of the interior of the docking installation head (8) away from the docking cavity (22); two fixing rods (19) are symmetrically installed on the outer surface of the docking installation head (8); an annular protrusion (21) that is rotatably matched with the rotating cavity (20) is provided on the end surface of the test hose (9); and a sealing gasket (24) that fits the end surface of the rotating cavity (20) is provided on the end surface of the test hose (9).

5. A test device for pressure reducer production according to claim 1, characterized in that: Two pressure gauges (7) are embedded and installed on the top surface of the regulating valve cylinder (4), and a flow valve for adjusting the flow rate is installed on the front side of the regulating valve cylinder (4).

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