Dust cover fatigue detection equipment

Abstract

The utility model discloses a dust cover fatigue detection device, which relates to the technical field of dust covers and comprises a detection box, at least one group of detection bins are arranged in the detection box, a movable frame is mounted in each detection bin through a driving assembly, an adjusting assembly is mounted in each movable frame, output mechanisms are mounted on two sides in each movable frame, and the output mechanisms are connected with the detection bins through the driving assemblies. Fixing pieces are mounted at the output ends of the two output mechanisms; a spraying assembly is mounted in the detection bin in the detection box; during detection, the spraying assembly sprays the solid particles towards the sample. When fatigue detection is carried out on a sample, the two ends of the sample are fixed through the two groups of fixing pieces, so that the problem of damage caused by long-time contact between the sample and detection equipment is avoided, the influence of the detection equipment on the sample is reduced, and solid particles can be sprayed to the sample through the spraying assembly when the fatigue detection is carried out.

Description

Technical Field

[0001] The utility model relates to the technical field of dust cover, in particular to a dust cover fatigue detection device. Background Art

[0002] A car dust cover is a decorative item used to protect car-related components. It is usually made of soft materials and is used to protect the related components from dust, moisture and other pollutants, thereby extending the service life of the related components.

[0003] In the production process of automobile dust covers, fatigue testing is one of the dust cover testing items, which is used to evaluate the durability and performance stability of the dust covers under long-term use or under specific conditions.

[0004] After searching, a Chinese patent (publication number: CN108279128A) discloses an automobile dust cover fatigue testing machine, in which a swing shaft driving mechanism is installed on one side of the top of the casing, and a vertically arranged rotating shaft is driven and installed at the output end of the swing shaft driving mechanism, and the lower part of the rotating shaft penetrates into the casing, and a plurality of transverse cantilevered swing shafts are fixedly installed at intervals on the upper and lower parts of the rotating shaft in the casing; a translation plate is installed on the other side of the casing as a guide, and a translation plate nut is fixedly installed at the lower part of the translation plate, and a transversely arranged translation screw is meshedly installed in the translation plate nut, and the translation screw is coaxially connected to the output shaft of the translation mechanism motor, and the translation mechanism motor is fixedly installed at the lower part of the casing, and the translation mechanism motor drives the translation screw to rotate, thereby driving the translation plate nut to drive the translation plate to perform transverse reciprocating movement; a plurality of transversely arranged translation shafts are installed at intervals on the upper and lower parts of the translation plate.

[0005] During the use of the dust cover, in addition to the stress and deformation caused by the relevant components of the automobile, in daily use, if the road conditions are poor, stones may be rolled up by the tires and hit the body or the dust cover, causing damage to them. Therefore, the utility model provides a dust cover fatigue detection device. Utility Model Content

[0006] The utility model aims to provide a dust cover fatigue detection device.

[0007] The technical problem solved by the utility model is: how to increase the detection range of the detection equipment to improve the detection quality.

[0008] The utility model can be implemented by the following technical scheme: a dust cover fatigue detection device, comprising a detection box, at least one group of detection chambers are opened inside the detection box, a driving component is installed inside the detection chamber, and a movable frame is installed at the output end of the driving component. After the driving component is started, the movable frame is driven to transfer between the detection chamber and the outside of the detection box, so as to facilitate the staff to assemble the sample;

[0009] An adjustment component is installed inside the movable frame, and the adjustment component is used to adjust the detection environment inside the detection chamber, including temperature and humidity, and output mechanisms are installed on both sides of the movable frame, and the output ends of the two groups of output mechanisms are installed with fixings. When the sample is tested, it is installed between the two groups of fixings, and the two groups of output mechanisms drive the corresponding fixings to work, so as to simulate the deformation and stress of the corresponding sample when in use;

[0010] An injection assembly is installed inside the detection chamber in the detection box. When the injection assembly is started, solid particles are injected toward the sample, and the detection chamber is located directly below the sample during detection.

[0011] A further technical improvement of the utility model is that at least one set of slide rails is installed on the lower surface of the detection chamber, and a sliding part slidably connected to the slide rails is provided on the lower surface of the movable frame.

[0012] A further technical improvement of the utility model is that a receiving groove is provided on the lower side of the movable frame, the receiving groove and the corresponding injection assembly are in the same axial direction, and when the movable frame moves based on the driving assembly, the receiving groove moves outside the injection assembly.

[0013] A further technical improvement of the utility model is that: the fixing member comprises an outer frame, a connecting pipe is installed inside the outer frame, and a plurality of expansion members distributed in an annular shape are installed on the side of the connecting pipe;

[0014] The outer side of the outer frame is provided with a plurality of through openings, the distribution positions of the plurality of through openings correspond to the respective expansion members, and each through opening is provided with an extension portion extending toward the connecting pipe;

[0015] Each expansion member is embedded in the extension portion of the corresponding through-portion to facilitate movement along the extension portion.

[0016] A further technical improvement of the utility model is that: the injection assembly includes a positioning block and a power unit, the positioning block is connected to the detection box and is arranged at the inner bottom end of the corresponding detection chamber, the power unit is installed at the bottom of the detection box, and a communication hole is arranged between the positioning block and the power unit;

[0017] A feeding pipe is provided inside the detection box, and the feeding pipe is connected with the corresponding connecting hole and inclined toward the corresponding connecting hole.

[0018] A further technical improvement of the utility model is that: a one-way plate is rotatably connected to a portion of the feed pipe close to the portion communicating with the communicating hole, and a step portion is provided at the bottom end of the feed pipe under the one-way plate;

[0019] After the power unit is started, the air is ejected upward along the connecting hole, and the bottom of the one-way plate is attached to one side of the step portion to separate the feed pipe, thereby controlling the direction of air circulation.

[0020] Compared with the prior art, the utility model has the following beneficial effects:

[0021] When the utility model performs fatigue testing on a sample, two sets of fixing parts are used to fix the two ends of the sample, thereby avoiding the problem of damage caused by long-term contact between the sample and the testing equipment, and reducing the impact of the testing equipment on the sample;

[0022] Furthermore, when the utility model is performing fatigue testing, solid particles can be sprayed onto the sample through the spray assembly to simulate the scene where the dust cover is hit by stones during use, thereby improving the detection range of the detection equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to facilitate understanding by those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings.

[0024] Figure 1 It is a structural schematic diagram of the utility model;

[0025] Figure 2 It is a front cross-sectional view of the utility model;

[0026] Figure 3 It is a partial cross-sectional view of the fixing member in the utility model;

[0027] Figure 4 It is a side sectional view of the injection assembly in the utility model;

[0028] In the figure: 1. detection box; 2. detection chamber; 3. driving assembly; 4. movable frame; 5. adjustment assembly; 6. output mechanism; 7. fixing part; 8. injection assembly; 71. outer frame; 72. connecting pipe; 73. expansion part; 81. positioning block; 82. power unit; 83. connecting hole; 11. feeding pipe; 12. one-way plate. DETAILED DESCRIPTION

[0029] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0030] See also Figure 1-4As shown, a dust cover fatigue detection device comprises a detection box 1, wherein a plurality of detection chambers 2 are provided inside the detection box 1, and a driving assembly 3 is installed inside each detection chamber 2. The driving assembly 3 adopts a screw structure, and a movable frame 4 is installed at the output end of the driving assembly 3. After the driving assembly 3 is started, the movable frame 4 is driven to transfer between the detection chamber 2 and the outside of the detection box 1, so as to facilitate the staff to assemble the sample;

[0031] The front side of the detection box 1 is hinged with a sealing door, which seals each detection chamber 2 to separate each detection chamber 2;

[0032] An adjustment component 5 is installed inside the movable frame 4. In this embodiment, the adjustment component 5 adopts any mature technical solution in the prior art to adjust the detection environment inside the detection chamber 2, including temperature and humidity. Output mechanisms 6 are installed on both sides of the movable frame 4. The output ends of the two sets of output mechanisms 6 are installed with fixing parts 7. When the sample is tested, it is installed between the two sets of fixing parts 7, and the two sets of output mechanisms 6 drive the corresponding fixing parts 7 to work.

[0033] In this embodiment, two sets of output mechanisms 6 select corresponding structures based on the corresponding installation positions of the samples on the car to simulate the deformation and stress of the corresponding samples when in use;

[0034] Air supply components are installed on the lower side of each output mechanism 6 inside the detection chamber 2, and each air supply component is connected to the fixing member 7 on the corresponding side respectively;

[0035] An injection assembly 8 is installed inside the detection chamber 2 in the detection box 1. When the injection assembly 8 is started, the solid particles are injected toward the sample, and the detection chamber 2 is located directly below the sample during detection.

[0036] See also Figure 2 As shown, at least one set of slide rails is installed on the lower surface of the detection chamber 2, and a sliding part slidably connected to the slide rails is provided on the lower surface of the movable frame 4.

[0037] A receiving groove is provided at the lower side of the movable frame 4 , and the receiving groove and the corresponding injection assembly 8 are located in the same axial direction. When the movable frame 4 moves based on the driving assembly 3 , the receiving groove moves outside the injection assembly 8 .

[0038] See also Figure 3 As shown, the fixing member 7 includes an outer frame 71, a connecting pipe 72 is installed inside the outer frame 71, and a plurality of expansion members 73 distributed in an annular shape are installed on the side of the connecting pipe 72;

[0039] The outer side of the outer frame 71 is provided with a plurality of through openings, the distribution positions of the plurality of through openings correspond to the respective expansion members 73, and each through opening is provided with an extension portion extending toward the connecting pipe 72;

[0040] Each expansion member 73 is embedded in the extension portion of the corresponding through-hole to facilitate movement along the extension portion;

[0041] In this embodiment, the expansion member 73 is made of rubber material, and the connecting tube 72 is connected to the corresponding air supply component. A plurality of ventilation holes are provided between each expansion member 73 and the connecting tube 72. After the air supply component is started, the expansion member 73 on the outside is inflated through the connecting tube 72, and the expansion member 73 expands after being inflated.

[0042] See also Figure 4 As shown, the injection assembly 8 includes a positioning block 81 and a power unit 82. The positioning block 81 is connected to the detection box 1 and is arranged at the inner bottom end of the corresponding detection chamber 2. The power unit 82 is installed at the bottom of the detection box 1, and a communication hole 83 is arranged between the positioning block 81 and the power unit 82.

[0043] In this embodiment, the power unit 82 adopts a high-pressure air pump;

[0044] A feed pipe 11 is provided inside the test box 1, and the feed pipe 11 is connected to the corresponding communication hole 83 and is inclined toward it;

[0045] A feeding assembly is installed outside the detection box 1, and the feeding assembly is connected to the top of each feeding pipe 11. The feeding assembly adopts any mature structure in the prior art, and is used to discharge a group of solid particles into a group of feeding pipes 11 at a time;

[0046] A one-way plate 12 is rotatably connected to the portion of the feed pipe 11 close to the portion communicating with the communicating hole 83, and a step portion is provided at the bottom end of the feed pipe 11 and located below the one-way plate 12;

[0047] After the power unit 82 is started, the air is ejected upward along the connecting hole 83, and the bottom of the one-way plate 12 is attached to one side of the step portion to separate the feed pipe 11, thereby controlling the direction of air circulation.

[0048] When the utility model is in use:

[0049] Before the test, the internal driving components 3 of each test chamber 2 are started, and each movable frame 4 is moved out of the test chamber 2. The staff installs the samples to be tested between the two sets of fixing members 7 in each test chamber 2, and then each air supply component is started to inflate the expansion member 73 in each fixing member 7 to fix the sample;

[0050] Then the driving assembly 3 is started again to reset each movable frame 4, and then each detection chamber 2 is separated by a sealed door;

[0051] Then, the adjustment components 5 in each detection chamber 2 are started to change the environmental factors in the corresponding detection chamber 2, and then each output mechanism 6 is started to detect the sample through the fixing member 7;

[0052] During the inspection, the solid particles are transferred to the communication hole 83 along the feeding pipe 11 of the corresponding inspection bin 2. When the solid particles slide along the feeding pipe 11 to the communication hole 83, they are turned over by the one-way plate 12.

[0053] Finally, the power unit 82 is started to blow air upward along the connecting hole 83, and drives the solid particles to blast upward along the connecting hole 83 to impact the sample.

[0054] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended 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 based on 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 dust cover fatigue detection device, comprising a detection box (1), wherein at least one detection chamber (2) is provided in the detection box (1), wherein a movable frame (4) is installed in the detection chamber (2) via a driving assembly (3), and an adjustment assembly (5) is installed inside the movable frame (4), characterized in that: Output mechanisms (6) are installed on both sides of the movable frame (4), and the output ends of the two groups of output mechanisms (6) are installed with fixing parts (7); A spray assembly (8) is installed inside the detection chamber (2) in the detection box (1); During detection, the spray assembly (8) sprays solid particles toward the sample.

2. A dust cover fatigue detection device according to claim 1, characterized in that: At least one set of slide rails is installed on the lower surface of the detection chamber (2), and a sliding portion slidably connected to the slide rails is provided on the lower surface of the movable frame (4).

3. A dust cover fatigue detection device according to claim 1, characterized in that: The fixing member (7) comprises an outer frame (71), a connecting pipe (72) is installed inside the outer frame (71), and a plurality of expansion members (73) distributed in an annular shape are installed on the side of the connecting pipe (72).

4. A dust cover fatigue detection device according to claim 3, characterized in that: The outer side of the outer frame (71) is provided with a plurality of through openings, the distribution positions of the plurality of through openings correspond to the respective expansion members (73), and each through opening is provided with an extension portion extending toward the connecting pipe (72); Each expansion member (73) is embedded in the extended portion of the corresponding through-opening.

5. The dust cover fatigue detection device according to claim 1, characterized in that: The injection assembly (8) comprises a positioning block (81) and a power unit (82); The positioning block (81) is connected to the detection box (1) and is arranged at the inner bottom end of the corresponding detection chamber (2); The power unit (82) is installed at the bottom of the detection box (1), and a communication hole (83) is provided between the positioning block (81) and the power unit (82); A feed pipe (11) is provided inside the detection box (1), and the feed pipe (11) is connected to the corresponding connecting hole (83) and is inclined toward the corresponding connecting hole (83).

6. A dust cover fatigue detection device according to claim 5, characterized in that: A one-way plate (12) is rotatably connected to a portion of the feed pipe (11) close to the portion communicating with the communicating hole (83), and a step portion is provided at the bottom end of the feed pipe (11) located below the one-way plate (12).

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