Test process control device

Abstract

The utility model discloses a test process control device, which comprises a test chamber and a sampling pump, the end part of the sampling pump is fixedly connected with a pump connecting pipe, a chamber connecting pipe is arranged at the air outlet of the test chamber, the outer surface of the pump connecting pipe is fixedly connected with an outer connecting sleeve, the outer surface of the chamber connecting pipe is movably sleeved with an outer sliding sleeve, and the outer sliding sleeve is movably sleeved with an inner sliding sleeve. The outer surface of the cabin connecting pipe is fixedly sleeved with an inner connecting sleeve, the outer surface of the inner connecting sleeve is rotationally connected with a lock catch plate, and the outer surface of the outer connecting sleeve is fixedly connected with a lock catch block. The outer sliding sleeve can be pushed to slide along the outer surface of the cabin connecting pipe, the inner pressing groove can abut against the lock catch plate, the lock catch plate is pushed to rotate, the lock catch block is clamped in the lock catch hole, the outer connecting sleeve abuts against the inner connecting sleeve, meanwhile, the pump connecting pipe is fixed in the cabin connecting pipe, and installation is completed. The structure is simple, and the convenient dismounting effect can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to test control device technical field especially relates to a test process control device. BACKGROUND

[0002] Pyrolysis particle aging test is a specific test method, which aims to evaluate the pyrolysis particle aging performance of materials or products by simulating specific conditions. In the process of simulation, a test process control device is needed to monitor the test process.

[0003] The test process control device uses a sampling pump to extract the gas in the test chamber and send it to the pyrolysis particle measuring device, thereby controlling the sampling flow into the pyrolysis particle measuring device. However, the normal sampling pump pipeline is directly fixed and connected with the test chamber using a flange. Every time the flange is disassembled and assembled, tools are needed, which is inconvenient. Moreover, since the air temperature in the test chamber is higher than the room temperature, the flange connection may be affected by thermal expansion and contraction, causing problems with the airtightness of the flange connection, thereby affecting the accuracy of the test monitoring. Therefore, a test process control device is proposed. SUMMARY

[0004] The utility model discloses a test process control device to solve the shortcoming in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A test process control device, comprising a test chamber and a sampling pump, the end of the sampling pump is fixedly connected with a pump connecting pipe, the gas outlet of the test chamber is provided with a chamber connecting pipe, the outer surface of the pump connecting pipe is fixedly connected with an external sleeve, the outer surface of the chamber connecting pipe is movably sleeved with an external sliding sleeve, the outer surface of the chamber connecting pipe is fixedly sleeved with an internal sleeve, the outer surface of the internal sleeve is rotatably connected with a lock plate, and the outer surface of the external sleeve is fixedly connected with a lock block.

[0007] Preferably, the pump connecting pipe is slidingly connected in the interior of the chamber connecting pipe, and the end of the external sleeve abuts against the internal sleeve.

[0008] Preferably, the inner wall of the external sliding sleeve abuts against the internal sleeve, the inner wall of the external sliding sleeve is provided with an internal pressure groove, and the internal pressure groove is clamped on the outer surface of the lock plate.

[0009] Preferably, the end of the lock plate is provided with a lock hole, and the lock block is clamped in the interior of the lock hole.

[0010] Preferably, the outer surface of the internal sleeve is provided with a hemispherical air bag, the interior of the internal sleeve is provided with an air hole, the end of the air hole is provided with an air cushion ring, and the end of the external sleeve is provided with a sealing ring groove.

[0011] Preferably, the outer surface of the cabin connecting pipe is sleeved with an auxiliary spring.

[0012] Preferably, the outer surface of the pump connecting pipe is fixedly connected with a guide block, and the inner wall of the cabin connecting pipe is correspondingly provided with a guide groove.

[0013] The utility model has the following beneficial effects:

[0014] 1. By pushing the outer sliding sleeve to slide along the outer surface of the cabin connecting pipe, the inner pressure groove abuts against the lock catch plate and pushes the lock catch plate to rotate, so that the lock catch block is clamped in the inside of the lock catch hole, the outer sleeve abuts against the inner sleeve, the pump connecting pipe is fixed in the inside of the cabin connecting pipe, installation is completed, and the simple structure can realize the effect of convenient dismounting.

[0015] 2. By pushing the outer sliding sleeve to extrude the plurality of hemispherical air bags, the gas in the hemispherical air bags is extruded into the air cushion ring from the air hole, the air cushion ring is inflated and bulges to form a sealing ring in the sealing ring groove, so that the tightness of the connection between the pump connecting pipe and the cabin connecting pipe is improved, and the sealing effect is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is an overall structure schematic view of the test process control device provided by the utility model;

[0017] Figure 2 It is an overall structure schematic view of the test process control device provided by the utility model; Figure 1

[0018] Figure 3 It is a sectional structure schematic view of the test process control device provided by the utility model;

[0019] Figure 4 It is a pump connecting pipe structure schematic view of the test process control device provided by the utility model;

[0020] In the drawing: 1, test cabin; 2, sampling pump; 3, pump connecting pipe; 4, outer sleeve; 5, cabin connecting pipe; 6, outer sliding sleeve; 7, lock catch plate; 8, lock catch hole; 9, lock catch block; 10, inner pressure groove; 11, hemispherical air bag; 12, air cushion ring; 13, air hole; 14, sealing ring groove; 15, auxiliary spring; 16, guide block; 17, inner sleeve. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0022] Reference Figures 1 to 4 ​The utility model provides a test process control device, including test cabin 1 and sampling pump 2, the end fixedly connected with pump connecting pipe 3 of sampling pump 2, the gas outlet of test cabin 1 is provided with cabin connecting pipe 5, the outer surface of pump connecting pipe 3 is fixedly connected with outer sleeve 4, the outer surface of cabin connecting pipe 5 is movably sleeved with outer sliding sleeve 6, the outer surface of cabin connecting pipe 5 is fixedly sleeved with inner sleeve 17, the outer surface of pump connecting pipe 3 is fixedly connected with guide block 16, the inner wall of cabin connecting pipe 5 is correspondingly provided with guide groove, when butting, guide block 16 is aligned with guide groove and pump connecting pipe 3 is inserted into cabin connecting pipe 5, the outer surface of cabin connecting pipe 5 is sleeved with auxiliary spring 15, and the specific connecting structure and working mode of the device are the prior art known to the staff in the field, which will not be described in detail here.

[0023] With reference to Figure 1 , Figure 2 and Figure 3 , the outer surface of inner sleeve 17 is rotatably connected with lock plate 7, the outer surface of outer sleeve 4 is fixedly connected with lock block 9, pump connecting pipe 3 is slidably connected in the inside of cabin connecting pipe 5, the end of outer sleeve 4 abuts against inner sleeve 17, the inner wall of outer sliding sleeve 6 abuts against inner sleeve 17, the inner wall of outer sliding sleeve 6 is provided with inner pressure groove 10, inner pressure groove 10 is clamped on the outer surface of lock plate 7, the end of lock plate 7 is provided with lock hole 8, lock block 9 is clamped in the inside of lock hole 8, by pushing outer sliding sleeve 6 to slide along the outer surface of cabin connecting pipe 5, inner sleeve 17 will be wrapped in the inside of outer sliding sleeve 6, with the pushing, inner pressure groove 10 will abut against lock plate 7, and lock plate 7 is rotated to make lock block 9 clamped in the inside of lock hole 8, so that outer sleeve 4 abuts against inner sleeve 17, and at the same time, pump connecting pipe 3 is fixed in the inside of cabin connecting pipe 5, and outer sliding sleeve 6 can be prevented from rebounding under the action of auxiliary spring 15, the installation is completed, and the simple structure can realize the effect that the dismounting is convenient.

[0024] With reference to Figure 1 , Figure 3 and Figure 4 , the outer surface of inner sleeve 17 is provided with hemispherical air bag 11, the inside of inner sleeve 17 is provided with air hole 13, the end of air hole 13 is provided with air cushion ring 12, the end of outer sleeve 4 is provided with sealing ring groove 14, in the process of pushing outer sliding sleeve 6, a plurality of hemispherical air bags 11 are extruded, the gas in hemispherical air bag 11 is extruded into air cushion ring 12 from air hole 13, air cushion ring 12 is inflated and bulges to abut against sealing ring groove 14 to form sealing ring, so that the tightness of the connection between pump connecting pipe 3 and cabin connecting pipe 5 is improved, and the sealing effect is ensured.

[0025] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A test process control device comprising a test chamber (1) and a sampling pump (2), characterized in that, The end of the sampling pump (2) is fixedly connected with a pump connecting pipe (3), the gas outlet of the test cabin (1) is provided with a cabin connecting pipe (5), the outer surface of the pump connecting pipe (3) is fixedly connected with an outer connecting sleeve (4), the outer surface of the cabin connecting pipe (5) is movably sleeved with an outer sliding sleeve (6), the outer surface of the cabin connecting pipe (5) is fixedly sleeved with an inner connecting sleeve (17), the outer surface of the inner connecting sleeve (17) is rotatably connected with a lock plate (7), and the outer surface of the outer connecting sleeve (4) is fixedly connected with a lock block (9).

2. A test procedure control device according to claim 1, characterised in that The pump connecting pipe (3) is slidably connected in the cabin connecting pipe (5), and the end of the outer connecting sleeve (4) abuts against the inner connecting sleeve (17).

3. A test process control device according to claim 1, wherein The inner wall of the outer sliding sleeve (6) abuts against the inner connecting sleeve (17), the inner wall of the outer sliding sleeve (6) is provided with an inner pressure groove (10), and the inner pressure groove (10) is clamped on the outer surface of the lock plate (7).

4. The process control apparatus of claim 1 wherein, The end of the lock plate (7) is provided with a lock hole (8), and the lock block (9) is clamped in the lock hole (8).

5. The process control apparatus of claim 1 wherein, The outer surface of the inner connecting sleeve (17) is provided with a hemispherical air bag (11), the inner connecting sleeve (17) is provided with a ventilation hole (13) in the inner connecting sleeve (17), the end of the ventilation hole (13) is provided with an air cushion ring (12), and the end of the outer connecting sleeve (4) is provided with a sealing ring groove (14).

6. A test process control apparatus according to claim 1, wherein The outer surface of the cabin connecting pipe (5) is sleeved with an auxiliary spring (15).

7. A test process control apparatus according to claim 1, wherein The outer surface of the pump connecting pipe (3) is fixedly connected with a guide block (16), and the inner wall of the cabin connecting pipe (5) is correspondingly provided with a guide groove. The outer surface of the pump connecting pipe (3) is fixedly connected with a guide block (16), and the inner wall of the cabin connecting pipe (5) is correspondingly provided with a guide groove.

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