CN220960567U - Durability test device for opening left and right door outer handles of light automobile - Google Patents
Durability test device for opening left and right door outer handles of light automobile Download PDFInfo
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- CN220960567U CN220960567U CN202322670006.7U CN202322670006U CN220960567U CN 220960567 U CN220960567 U CN 220960567U CN 202322670006 U CN202322670006 U CN 202322670006U CN 220960567 U CN220960567 U CN 220960567U
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- door outer
- right door
- handle assemblies
- piston pump
- electromagnetic valve
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Abstract
The utility model discloses a device for testing the opening durability of left and right door outer handles of a light automobile. The electromagnetic valve, the piston pump and the left and right outer door handle assemblies to be tested are arranged on the fixed frame, meanwhile, the load weight is added on the back of the left and right outer door handle assemblies in a simulated manner, and the microcomputer programmable controller and the compressed air source of the electric appliance control part are respectively connected with the electromagnetic valve for controlling the left and right outer door handle assemblies. By adopting the technical scheme of the utility model, the development cost of the left and right door outer handle assemblies is saved, the development period is shortened, and the utility model has the advantages of simple structure, high working reliability and low cost. The device can verify the analysis method of the left and right door outer handle assemblies, and provides reliable basis for innovative design of the left and right door outer handle assemblies.
Description
Technical Field
The utility model relates to the technical field of automobile part testing, in particular to a device for testing the opening durability of left and right door outer handles of a light automobile.
Background
The left and right door outer handle assembly is an important part for controlling the opening and closing of the left and right doors of the automobile, and not only relates to the cooperation of the door outer handle and the internal mechanism, but also relates to the running safety of the automobile. In actual vehicle use, the frequent door opening and closing process not only realizes the basic use function, but also tests whether the structural stress of the door opening and closing device is abnormal. Because the test resources of the detection mechanism are limited, in order to master the design and development technology of the left and right outer door handle assemblies, the left and right outer door handle assemblies in the real vehicle structure are tested, and the operating principle of the handle switch is analyzed by combining with the theory of the operating dynamics in the handle switch process, and the real vehicle structure can meet the test requirements through the stress balance and the lever principle. Therefore, an efficient and reliable switch durability test device for the left and right outer door handle assemblies is urgently needed.
Disclosure of Invention
The utility model provides a switch durability test device for left and right door outer handle assemblies, which is characterized in that a microcomputer programmable controller of an electric appliance control part supplies electromagnetic valve current in a clearance way, drives the electromagnetic valve to be opened and closed, then drives a compressed air source to respectively supply the compressed air source to the front cavity and the rear cavity of a piston pump according to instruction requirements, drives the piston pump to retreat, and drives a wire drawing to retreat to pull the retreating of an outer handle assembly so as to realize the opening action of the door outer handle; or the piston pump advances, and the door outer handle assembly is driven by the back load weight to realize the closing action of the door outer handle assembly. The switch durability test of the door outer handle assembly is realized, and the purpose is to make the operation of the durability test device of the door outer handle assembly simple and convenient, so that the application range of the test device is wider.
A durability test device for a switch of a left and right door outer handle assembly of a light automobile comprises an electric control part, a pneumatic control part and a fixing part, wherein the electric control part comprises a switch, an electromagnetic valve, a piston pump and a left and right door outer handle assembly to be tested,
Is arranged on the fixed frame of the fixed part,
The left and right door outer handle assemblies are provided with load weights, the electric appliance control part comprises a PLC programmable controller, the microcomputer programmable controller is connected with a 220V power supply, is connected with an electromagnetic valve for controlling the left and right door outer handle assemblies and is electrically connected with a counter,
The electromagnetic valve is electrically connected to the piston pump; the electromagnetic valve controls the compressed air source to be output to the front cavity and the rear cavity of the piston pump, drives the piston pump connecting rod to move back and forth, simulates the manual control of opening and closing of the handle assembly outside the door by a user, and achieves the purpose of durability test. The loading part is convenient to install, stability and reliability of the test device are guaranteed to the greatest extent in the test process, labor intensity of test personnel is reduced, and working efficiency is improved.
As a further improvement of the technical scheme, the load weights are arranged at the back of the left and right door outer handle assemblies and are used for simulating a real vehicle.
As a further improvement of the technical scheme, the left and right door outer handle assemblies to be tested are connected with the connecting rod of the piston pump through fixed wiredrawing.
As a further improvement of the technical scheme, the output signal line of the microcomputer programmable controller is connected with the electromagnetic valve, and a counter, working time circulation control, electromagnetic valve signal control and the like can be set in an autonomous programming mode.
As a further improvement of the above technical solution, the pneumatic control component further includes a compressed air source, the piston pump is connected to the compressed air source through a pipeline, and the electromagnetic valve distributes the input compressed air to the front and rear chambers of the piston pump according to the instruction requirement, so as to control the connecting rod of the piston pump to reciprocate back and forth.
The beneficial effects of the utility model are as follows:
Because the test resource of the detection mechanism is limited, in order to master the design development technology of the left and right outer door handle assemblies, the left and right outer door handle assemblies in the real vehicle structure are tested, the outer handle assembly working principle is analyzed by combining the outer handle motion theory, and the real vehicle structure can meet the test requirement through the stress balance and the lever principle, the influence of other parts on the test result is eliminated, the test data is more accurate, the development cost of the left and right outer door handle assemblies is saved, the development period is shortened, the structure is simple, the working reliability is high, and the cost is low. The analysis method of the left and right door outer handle assemblies can be verified by using the novel device, and reliable basis is provided for innovative design of the left and right door outer handle assemblies.
Drawings
FIG. 1 is a schematic diagram of a switch durability test apparatus for a left and right outside door handle assembly according to the present utility model
In the figure: 1.1-power switch, 1.2-PLC programmable controller, 1.3-power signal line 1#, 1.4-power signal line 2#, 1.5-counter, 1.6-solenoid valve 1#, 1.7 solenoid valve 2#, 1.8-piston pump 1#, 1.9-piston pump 2#, 2.0-right outside door handle assembly sample 1#, 2.1 left outside door handle assembly sample 2#, 2.2-load 1#, 2.3-load 2#.
Detailed Description
The construction of the components, the positions and interconnection relationships between the components, the working principles and operation methods of the components, etc. according to the above technical scheme of the present utility model, are further described in detail below with reference to the accompanying drawings by specific embodiments, so as to help those skilled in the art to more completely, deeply and accurately understand the inventive concept and technical scheme of the present utility model.
Examples: as shown in fig. 1, a device for testing the switch durability of a left and right door outer handle assembly of a light automobile comprises an electric control part, a pneumatic control part and a fixed frame,
The electric appliance control part comprises a switch, an electromagnetic valve, a piston pump and a left and right door outer handle assembly to be tested,
Is arranged on the fixed frame and is provided with a plurality of fixing holes,
The left and right door outer handle assemblies are provided with load weights, the electric appliance control part comprises a PLC programmable controller, a signal output 1, a signal output 2 and a counter, the PLC programmable controller is connected with a 220V power supply, is connected with an electromagnetic valve for controlling the left and right door outer handle assemblies and is electrically connected with the counter,
The connection relation is as follows: the load weight is arranged at the back of the left and right outer door handle assemblies, the left and right outer door handle assemblies to be tested are mounted on the fixed frame through bolts, the left and right outer door handle assemblies are connected with the connecting rod of the piston pump through fixed wire drawing, the PLC microcomputer programmable controller of the electric appliance part outputs a power signal wire to be connected with the electromagnetic valve, the compressed air controlled by the electromagnetic valve is connected with the front cavity and the rear cavity of the piston pump through pipelines, the left and right outer door handle assemblies are connected with the connecting rod of the piston pump, and the back of the outer handle is connected with the load weight.
The left and right door outer handle assembly switch durability test device of the utility model has the following test flow:
The left and right outer door handle assemblies to be tested are mounted on the fixed framework through fixing bolts, and an output power supply signal wire of the electric appliance control part is connected with the electromagnetic valve. The compressed gas controlled by the electromagnetic valve is connected with the front cavity and the rear cavity of the piston pump, the left and right outer handle assemblies are connected with the connecting rod of the piston pump, and the back of the outer handle is connected with the load weight. The mounting mode, the connecting mode and the movement mode are all required to be matched with the actual working condition of the whole automobile, the loading force is transmitted to the left and right outer door handle assemblies to be tested through the back-and-forth movement of the piston pump, and the driver is simulated to manually control the opening and closing of the door, so that the purpose of durability test is achieved.
According to the product drawing and standard requirements, technical parameters (parameters such as working time circulation, counter setting, electromagnetic valve signal control, load weight, external handle switch stroke and the like) are input into an automobile left and right external door handle assembly switch durability test device, the left and right external door handle assembly to be tested is mounted on a fixed framework through a fixing bolt, an output power supply signal wire of an electric appliance control part is connected with an electromagnetic valve, compressed air controlled by the electromagnetic valve is connected with a front cavity and a rear cavity of a piston pump, the left and right external door handle assembly is connected with a piston pump connecting rod, the back of the external handle is connected with the load weight, and then a test is started. The PLC automatically provides current signals for the gap of the electromagnetic valve according to a specific rule, drives the electromagnetic valve to output compressed gas to the front cavity and the rear cavity of the piston pump according to a set mode, drives the connecting rod of the piston pump to do back-and-forth reciprocating motion, and observes whether the motion process is abnormal and whether the number of cycle reciprocating times accords with a specific detection standard.
Example 1
And (3) starting a test: the power switch is turned on, the PLC provides current for the power signal wires 1# and 2# and controls the electromagnetic valves 1# and 2# to work, the electromagnetic valves distribute compressed air to the front cavities of the piston pumps 1# and 2# through pipelines, and meanwhile the rear cavity of the piston pump is controlled to be communicated with the atmosphere. The front cavity and the rear cavity of the piston pump drive the piston pump connecting rod to move backwards under the action of pressure difference, so that the left and right door outer handles move backwards against the load under the action of the tension of the connecting rod and the inhaul cable, and the opening action of the left and right door outer handles is completed.
Example 2
Closing test: and the PLC delays 3S, the PLC cuts off current for the power signal wires 1# and 2# and the electromagnetic valves 1# and 2# do not work, the electromagnetic valves distribute compressed gas to the rear cavities of the piston pumps 1# and 2# through pipelines, and meanwhile, the front cavity of the piston pump is controlled to be communicated with the atmospheric environment. The front cavity and the rear cavity of the piston pump drive the piston pump connecting rod to move forward under the action of pressure difference, and the left and right door outer handles move forward against the resistance of the connecting rod and the inhaul cable under the action of back load, so that the closing action of the left and right door outer handles is completed.
Example 3
Counting by a counter: the PLC delays 3S, the PLC gives a counter signal, the counter number is +1, meanwhile, the PLC provides current for a power signal wire, the electromagnetic valve is controlled to work, the piston pump connecting rod moves backwards, the left and right door outer handles move backwards under the pulling force of the connecting rod and the inhaul cable, the opening action of the left and right door outer handles is completed, and a new working cycle is started.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the specific embodiments described above, and that the above specific embodiments and descriptions are provided for further illustration of the principles of the present utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined in the appended claims. The scope of the utility model is defined by the claims and their equivalents.
Claims (5)
1. The device comprises an electric appliance control part, a pneumatic control part and a fixing part, and is characterized in that,
The electric appliance control part comprises a switch, an electromagnetic valve, a piston pump and a left and right door outer handle assembly to be tested,
Is arranged on the fixed frame of the fixed part,
The left and right door outer handle assemblies are provided with load weights, the electric appliance control part comprises a microcomputer programmable controller, the microcomputer programmable controller is connected with a 220V power supply, is connected with an electromagnetic valve for controlling the left and right door outer handle assemblies and is electrically connected with a counter,
The solenoid valve is electrically connected to the piston pump.
2. The device for testing the opening durability of the left and right door outer handles of a light automobile according to claim 1, wherein the load weight is arranged on the back of the left and right door outer handle assemblies.
3. The device for testing the opening durability of the left and right door outer handles of the light automobile according to claim 1, wherein the left and right door outer handle assemblies to be tested are connected with a connecting rod of a piston pump through a fixed wire drawing.
4. The device for testing the opening durability of the left and right door outer handles of the light automobile according to claim 1, wherein the output signal line of the microcomputer programmable controller is connected with the electromagnetic valve.
5. The device for testing the opening durability of the left and right door outer handles of a light vehicle according to claim 1, wherein the pneumatic control means further comprises a compressed air source, and the piston pump is connected to the compressed air source through a pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322670006.7U CN220960567U (en) | 2023-10-07 | 2023-10-07 | Durability test device for opening left and right door outer handles of light automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322670006.7U CN220960567U (en) | 2023-10-07 | 2023-10-07 | Durability test device for opening left and right door outer handles of light automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220960567U true CN220960567U (en) | 2024-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322670006.7U Active CN220960567U (en) | 2023-10-07 | 2023-10-07 | Durability test device for opening left and right door outer handles of light automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220960567U (en) |
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2023
- 2023-10-07 CN CN202322670006.7U patent/CN220960567U/en active Active
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