Durability testing device for exhaust tuning valve

Abstract

The utility model provides a durability testing device for an exhaust tuning valve, which comprises a heat insulation box, a valve driving piece and a bottom plate, the heat insulation box is arranged on the bottom plate, and a valve positioning block for positioning the tuning valve and a valve fixing pressing block for fixing the tuning valve on the valve positioning block are arranged in the heat insulation box; the valve driving part is arranged on the bottom plate through a driving part supporting plate, a guide rod is arranged at the output end of the valve driving part, and one end of the guide rod extends into the heat preservation box and is driven by the valve driving part to do reciprocating motion, so that a valve plate of the tone tuning valve is opened or closed; according to the invention, the working environment temperature of the tuning valve can be simulated, regular opening and closing of the valve plate of the tuning valve are realized, the durability of the tuning valve is tested, and the accuracy of the durability test of the tuning valve is improved.

Description

Technical Field

[0001] The utility model relates to an exhaust tuning valve testing device, in particular to an exhaust tuning valve durability testing device. Background Art

[0002] As user experience continues to improve, exhaust system tuning technology continues to develop, and tuning valves are increasingly being used in exhaust systems. Under the same volume of silencer capacity, the use of tuning valves can reduce the noise level. Similarly, under the same noise level conditions, the muffler capacity can be reduced to achieve the effect of reducing costs and weight.

[0003] The tuning valve is used in the exhaust system and has a relatively high operating temperature (500-700°C). The reliability of the torsion spring, valve plate and other components in the tuning valve is extremely important. During the development process, the durability requirements of the number of cycles must be met to ensure that the tuning valve can be opened and closed normally. Summary of the invention

[0004] In view of the deficiencies in the prior art, the utility model provides an exhaust tuning valve durability test device, which simulates the working environment temperature of the tuning valve, realizes the regular opening and closing of the valve plate of the tuning valve, tests the durability of the tuning valve, and improves the accuracy of the tuning valve durability test. The technical solution adopted by the utility model is:

[0005] An exhaust tuning valve durability testing device, comprising

[0006] The heat preservation box is provided with a valve positioning block for positioning the tuning valve and a valve fixing pressing block for fixing the tuning valve on the valve positioning block;

[0007] The valve driving member has a guide rod at its output end. One end of the guide rod extends into the heat preservation box and performs reciprocating motion under the drive of the valve driving member to open or close the valve plate of the tuning valve.

[0008] Furthermore, the insulated box is provided with

[0009] Thermocouple, used to monitor the temperature inside the incubator;

[0010] An air inlet portion is located on the side of the incubator and is used to ventilate the incubator. One end of the air inlet portion is connected to a heating gun to increase the internal temperature of the incubator.

[0011] The gas outlet is located at the top of the incubator and is used to discharge the gas in the incubator.

[0012] Furthermore, a partition is provided inside the heat preservation box, and the valve positioning block is fixed on the partition;

[0013] The partition divides the internal space of the heat preservation box into a first space and a second space, the first space is connected to the air inlet, and the second space is connected to the air outlet;

[0014] When the valve plate of the tuning valve is opened, the first space is communicated with the second space, and when the valve plate of the tuning valve is closed, the first space is separated from the second space.

[0015] Furthermore, the valve positioning block is provided with a valve positioning groove having the same shape as the tuning valve, and a through hole for the guide rod to pass through is provided in the middle of the valve positioning groove.

[0016] Furthermore, a box cover is provided on the top of the thermal insulation box; and / or,

[0017] The inner surface of the heat preservation box is provided with heat insulation cotton.

[0018] Furthermore, a guide sleeve is provided on the side of the thermal insulation box, and the guide rod passes through the guide sleeve.

[0019] Furthermore, it also includes a bottom plate, and the heat preservation box is arranged on the bottom plate;

[0020] The valve driving member is arranged on the bottom plate through a driving member supporting plate.

[0021] Furthermore, a plurality of supporting legs are arranged at the bottom of the base plate.

[0022] Furthermore, a controller for controlling the operation of the valve driving member is arranged on the bottom plate.

[0023] Furthermore, a control valve is provided between the controller and the valve driving component.

[0024] Advantages of the utility model:

[0025] The tuning valve is fixed in an insulation box to simulate the working temperature of the tuning valve using the temperature of the insulation box, and the valve driver is used to regularly drive the valve plate of the tuning valve to open and close, so as to better simulate the working environment of the tuning valve and test the durability of the tuning valve;

[0026] The insulated box can be ventilated, heated and temperature monitored, so that the working environment temperature of the tuning valve is more accurate. The insulated box opens and closes the tuning valve to timely monitor and compensate for the temperature difference when the temperature of the insulated box changes. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is the front view of the utility model.

[0028] Figure 2 It is a top view of the utility model.

[0029] Figure 3Assembly drawing of the tuning valve when positioned on the diaphragm.

[0030] Figure 4 This is the structural diagram of the valve positioning block.

[0031] In the figure: 100-insulation box, 100a-first space, 100b-second space, 110-valve positioning block, 111-valve positioning groove, 112-through hole, 120-valve fixing block, 130-thermocouple, 140-air inlet, 150-heating gun, 160-air outlet, 170-partition, 180-box cover, 200-valve driving member, 210-guide rod, 220-driving member support plate, 300-controller, 400-bottom plate, 410-support foot, 500-control valve, 600-tuning valve. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0033] Please see attached Figure 1-4 The utility model provides an exhaust tuning valve durability test device, including an insulation box 100, a valve driver 200, a controller 300, and a bottom plate 400. The insulation box 100 is arranged on the bottom plate 400, and a valve positioning block 110 for positioning a tuning valve 600 and a valve fixing pressure block 120 for fixing the tuning valve 600 on the valve positioning block 110 are arranged inside the insulation box 100; the valve driver 200 is arranged on the bottom plate 400 through a driver support plate 220, and a guide rod 210 is arranged at the output end of the valve driver 200, one end of the guide rod 210 extends into the insulation box 100 and reciprocates under the drive of the valve driver 200, so that the valve plate of the tuning valve 600 is opened or closed; the controller 300 is arranged on the bottom plate 400, and is used to control the operation of the valve driver 200.

[0034] As attached Figure 1 As shown, the valve driving member 200 is a cylinder arranged in the horizontal direction, and the guide rod 210 is connected to the output end of the cylinder, and one end of the guide rod 210 extends to the inside of the insulation box 100; the tuning valve 600 is placed on the valve positioning block 110 and fixed with the valve fixing block 120, and the temperature in the insulation box 100 is adjusted to the working temperature of the tuning valve 600, and then the controller 300 is used to control the extension and contraction of the valve driving member 200, drive the guide rod 210 to realize reciprocating motion, push out or release the valve plate of the tuning valve 600, and realize the opening or closing of the valve plate of the tuning valve 600, thereby recording the durability cycle count of the valve plate of the tuning valve 600, and realizing a more accurate tuning valve durability test.

[0035] In order to further reduce the damage of the guide rod 210 to the valve plate of the tuning valve 600, one end of the guide rod 210 is rounded.

[0036] In the present application, in order to make the test temperature of the tuning valve 600 more accurate, the insulation box 100 is provided with a thermocouple 130, an air inlet 140, and an air outlet 160; the thermocouple 130 is used to monitor the temperature inside the insulation box 100; the air inlet 140 is located on the side of the insulation box 100, and is used to ventilate the insulation box 100, and one end of the air inlet 140 is connected to a heating gun 150 for increasing the internal temperature of the insulation box 100; the air outlet 160 is located at the top of the insulation box 100, and is used to discharge the gas in the insulation box 100.

[0037] The thermocouple 130 and the heating gun 150 are respectively connected to the controller 300. The temperature in the heat preservation box 100 is monitored by the thermocouple 130. When the temperature in the heat preservation box 100 is lower than the set temperature, the thermocouple 130 transmits a signal to the controller 300, and the controller 300 controls the heating gun 150 to heat the intake air of the air intake part 140, and the hot air is discharged from the air outlet part 160, thereby achieving the temperature increase in the heat preservation box 100; when the temperature rises to the set value, the thermocouple 130 transmits a signal to the controller 300, and the controller 300 controls the heating gun 150 to stop heating, so that the temperature in the heat preservation box 100 is maintained.

[0038] As a preferred embodiment of the present application, the air inlet 140 and the air outlet 160 are respectively an air inlet pipe and an air outlet pipe. A one-way valve that conducts one-way flow toward the thermal insulation box 100 is provided at the air inlet 140, and a one-way valve that conducts one-way flow away from the thermal insulation box 100 is provided at the air outlet 160 to prevent gas backflow.

[0039] As a preferred embodiment of the present application, the air inlet 140 is arranged on one of the side surfaces of the thermal insulation box 100, and the air outlet 160 is arranged on the top surface of the thermal insulation box 100 to prevent the exhaust air from being too hot and causing harm to people.

[0040] In the present application, in order to better fix the tuning valve 600, a partition 170 is provided inside the insulation box 100, and the valve positioning block 110 is fixed on the partition 170; the partition 170 divides the internal space of the insulation box 100 into a first space 100a and a second space 100b, the first space 100a is connected to the air inlet 140, and the second space 100b is connected to the air outlet 160; when the valve plate of the tuning valve 600 is opened, the first space 100a is connected to the second space 100b, and when the valve plate of the tuning valve 600 is closed, the first space 100a is separated from the second space 100b.

[0041] Specifically, the first space 100 a and the second space 100 b can be connected according to the opening and closing of the tuning valve 600 , so that the air flow can smoothly pass through the partition plate 170 and be discharged from the air outlet 160 .

[0042] In order to ensure that the tuning valve 600 is stably fixed on the valve positioning block 110 , the valve positioning block 110 is provided with a valve positioning groove 111 having the same shape as the tuning valve 600 , and a through hole 112 for the guide rod 210 to pass through is provided in the middle of the valve positioning groove 111 .

[0043] In the present application, in order to facilitate taking the tuning valve 600 out of or putting it into the insulation box 100, a box cover 180 is provided on the top of the insulation box 100; in order to improve the insulation effect of the insulation box, the inner surface of the insulation box 100 is provided with heat insulation cotton.

[0044] In order to improve the movement stability of the guide rod 210 , a guide sleeve 190 is provided on the side of the heat preservation box 100 , and the guide rod 210 passes through the guide sleeve 190 .

[0045] In order to improve the stability of the bottom plate 400 , a plurality of legs 410 are provided at the bottom of the bottom plate 400 .

[0046] Furthermore, in order to better control the working state of the valve driving member 200 , a control valve 500 is provided between the controller 300 and the valve driving member 200 ; the control valve 500 is used to adjust the expansion and contraction frequency of the valve driving member 200 .

[0047] Finally, it should be noted that the above specific implementation methods are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to examples, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. An exhaust tuning valve durability test device, characterized in that: include An insulation box (100) is provided with a valve positioning block (110) for positioning the tuning valve (600) and a valve fixing pressing block (120) for fixing the tuning valve (600) on the valve positioning block (110) inside thereof; The valve driving member (200) has a guide rod (210) disposed at its output end, one end of the guide rod (210) extending into the heat preservation box (100) and performing reciprocating motion under the drive of the valve driving member (200) so as to open or close the valve plate of the tuning valve (600).

2. The exhaust tuning valve durability testing device according to claim 1, characterized in that: The heat preservation box (100) is provided with A thermocouple (130) for monitoring the temperature in the thermal insulation box (100); An air inlet (140) is located on a side of the heat preservation box (100) and is used to ventilate the inside of the heat preservation box (100); one end of the air inlet (140) is connected to a heating gun (150) and is used to increase the internal temperature of the heat preservation box (100); The gas outlet (160) is located at the top of the heat preservation box (100) and is used to discharge the gas in the heat preservation box (100).

3. The exhaust tuning valve durability testing device according to claim 2, characterized in that: A partition (170) is provided inside the heat preservation box (100), and the valve positioning block (110) is fixed on the partition (170); The partition (170) divides the internal space of the heat preservation box (100) into a first space (100a) and a second space (100b), wherein the first space (100a) is connected to the air inlet (140), and the second space (100b) is connected to the air outlet (160); When the valve plate of the tuning valve (600) is opened, the first space (100a) is communicated with the second space (100b); when the valve plate of the tuning valve (600) is closed, the first space (100a) is separated from the second space (100b).

4. The exhaust tuning valve durability testing device according to claim 3 is characterized in that: The valve positioning block (110) is provided with a valve positioning groove (111) having the same shape as the tuning valve (600), and a through hole (112) for the guide rod (210) to pass through is provided in the middle of the valve positioning groove (111).

5. The exhaust tuning valve durability testing device according to claim 2, characterized in that: The top of the heat preservation box (100) is provided with a box cover (180); and / or, The inner surface of the heat preservation box (100) is provided with heat insulation cotton.

6. The exhaust tuning valve durability testing device according to claim 2, characterized in that: A guide sleeve (190) is provided on the side of the heat preservation box (100), and the guide rod (210) passes through the guide sleeve (190).

7. The exhaust tuning valve durability testing device according to any one of claims 1 to 6, characterized in that: It also includes a bottom plate (400), and the heat preservation box (100) is arranged on the bottom plate (400); The valve driving component (200) is arranged on the bottom plate (400) via a driving component supporting plate (220).

8. The exhaust tuning valve durability testing device according to claim 7 is characterized in that: A plurality of supporting legs (410) are arranged at the bottom of the base plate (400).

9. The exhaust tuning valve durability testing device according to claim 7, characterized in that: The bottom plate (400) is provided with a controller (300) for controlling the operation of the valve driving member (200).

10. The exhaust tuning valve durability testing device according to claim 9, characterized in that: A control valve (500) is provided between the controller (300) and the valve driving component (200).

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