Vehicle-mounted host testing tool clamp
By designing a rotatable frame structure and locking components, multi-model compatibility of the vehicle host test fixture was achieved, solving the problem of poor universality of existing fixtures and improving the authenticity of testing and resource utilization efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- SHANGHAI ANQINZHIXING AUTOMOTIVE ELECTRONICS CO LTD
- Filing Date
- 2026-01-30
- Publication Date
- 2026-05-12
Smart Images
Figure CN122008103A_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of vehicle-mounted equipment testing technology, and in particular to a vehicle-mounted host testing fixture. Background Technology
[0002] With the development of intelligent and connected vehicles, the in-vehicle host, as the core interactive carrier in the vehicle, has increasingly higher requirements for performance and reliability. Before leaving the factory, it needs to pass the test fixture verification of key indicators such as display, touch, and heat dissipation. Moreover, its installation posture (such as tilt angle) directly affects the authenticity of the test. The display effect, operation response and heat dissipation performance of the host will change under different postures, and it is necessary to simulate the actual vehicle installation state for testing. Existing in-vehicle host test fixtures generally adopt a dedicated customization mode. For different host models, corresponding fixtures and support structures are designed and processed separately for different sizes, installation positions and posture requirements, which can only be adapted to the installation position and posture requirements of specific hosts. However, this customized fixture has the problem of poor universality, which means that the old fixture cannot be reused after the host is updated, thus causing waste of resources. Summary of the Invention
[0003] To address at least one of the problems mentioned in the background art, this application provides a vehicle-mounted host testing fixture that is versatile and resource-saving.
[0004] To achieve the above objectives, this application provides the following technical solution:
[0005] This application provides a vehicle-mounted host testing fixture, including:
[0006] A mounting bracket is used to fix the device to the experimental test bench of the vehicle-mounted host.
[0007] The first frame is mounted on a fixed frame;
[0008] The second frame is rotatably fitted inside the first frame, and the second frame has multiple mounting positions.
[0009] The first locking member is threadedly connected to the first frame, and the end of the first locking member is configured to abut against the second frame to fix the relative rotation angle between the first frame and the second frame.
[0010] The host unit mounting bracket is used to install the vehicle-mounted host unit, and the host unit mounting bracket is installed in the mounting position.
[0011] As an optional implementation, the first frame includes two first substrates facing each other along a first direction and two first connecting plates facing each other along a second direction, with the two first connecting plates connected between the two first substrates, and the second direction being perpendicular to the first direction;
[0012] The second frame includes two second substrates opposite each other along a first direction and two second connecting plates opposite each other along a second direction. The two second connecting plates are connected between the two second substrates. The second frame is rotatably fitted inside the first frame. The second substrates and the first substrates are rotatably connected. The top of the second substrate has a plurality of spaced first mounting holes.
[0013] The first locking member is threadedly connected to the first base plate, and the end of the first locking member is configured to abut against the second base plate to fix the relative rotation angle between the first frame and the second frame.
[0014] The main unit mounting bracket has a second mounting hole that matches the first mounting hole, and the main unit mounting bracket is connected to the first mounting hole through the second mounting hole;
[0015] The inner sides of the two first substrates have a first mounting shaft, and the two second substrates have a third mounting hole. The first mounting shaft passes through the third mounting hole, and the second substrates are configured to rotate about the first mounting shaft.
[0016] As an optional implementation, the first locking member includes a first locking pin and a first locking screw, which are threadedly connected to the two first base plates respectively.
[0017] As an alternative implementation, the outer side of the second substrate has a first scale arranged around the third mounting hole, and the outer side of the first substrate has a first indicator mark, which is configured to point to a position of the first scale to display the numerical value of the relative rotation angle between the first frame and the second frame.
[0018] As an optional implementation, the mounting bracket includes a pair of spaced-apart mounting seats, a first frame is mounted between the two mounting seats, and a first connecting plate and the mounting seats are rotatably connected.
[0019] The vehicle-mounted host test fixture also includes a second locking member, which is threaded to the mounting base. The end of the second locking member is configured to abut against the first connecting plate to fix the relative rotation angle between the first frame and the mounting base.
[0020] As an alternative implementation, the two mounting bases have a second mounting shaft, the two first connecting plates have a fourth mounting hole, the second mounting shaft passes through the fourth mounting hole, and the first connecting plates are configured to rotate about the second mounting shaft.
[0021] As an optional implementation, the second locking element includes a second locking pin and a second locking screw, which are threadedly connected to two mounting seats respectively.
[0022] As an alternative implementation, the outer side of the first connecting plate has a second scale arranged around the fourth mounting hole, and the outer side of the mounting base has a second indicator mark, which is configured to point to a position of the second scale to display the numerical value of the relative rotation angle between the first frame and the mounting base.
[0023] As an alternative implementation, the ends of the first locking pin and the second locking pin are configured as pointed structures to be embedded in the second substrate or the first connecting plate through the pointed structures.
[0024] As an optional implementation, both the first frame and the second frame are made of aluminum alloy.
[0025] The vehicle-mounted host testing fixture provided in this application consists of a first frame and a second frame that are rotatably connected to each other. The relative rotation angle between the two frames is fixed by a first locking component. Multiple mounting positions are provided on the second frame, allowing different models of vehicle-mounted hosts to be installed in the corresponding mounting positions via mounting brackets. This satisfies the requirements of different models of vehicle-mounted hosts for mounting positions and testing postures, replacing traditional dedicated custom fixtures and support structures. It solves the problems of poor versatility of existing fixtures and the inability to reuse old fixtures after host updates, which leads to resource waste. This improves the versatility of the testing fixture and effectively saves resources. Attached Figure Description
[0026] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0027] Figure 1 This is a schematic diagram of the first structure of the vehicle-mounted host testing fixture provided in the embodiments of this application;
[0028] Figure 2 An exploded view of the vehicle-mounted host testing fixture provided in the embodiments of this application;
[0029] Figure 3 for Figure 1 Front view;
[0030] Figure 4 for Figure 1 Rear view;
[0031] Figure 5 for Figure 1 The right view;
[0032] Figure 6 for Figure 1 The left view;
[0033] Figure 7 This is a schematic diagram of a second structure of the vehicle-mounted host testing fixture provided in the embodiments of this application;
[0034] Figure 8 This is a schematic diagram of the structure of the first frame in the vehicle-mounted host testing fixture provided in the embodiments of this application;
[0035] Figure 9 A schematic diagram of the structure of the second frame in the vehicle host testing fixture provided in the embodiments of this application;
[0036] Figure 10 This is a schematic diagram of the installation of the first frame and the second frame in the vehicle host test fixture provided in the embodiments of this application;
[0037] Figure 11 This is a schematic diagram of the installation of the first frame and the fixing bracket in the vehicle host test fixture provided in the embodiments of this application.
[0038] Explanation of reference numerals in the attached figures:
[0039] 100. Vehicle-mounted host testing fixture; 110. Fixture; 111. Second mounting shaft; 120. First frame; 121. First base plate; 122. First connecting plate; 1221. Fourth mounting hole; 1222. Second scale; 123. First mounting shaft; 130. Second frame; 131. Second base plate; 1311. First mounting hole; 1312. Third mounting hole; 1313. First scale; 132. Second connecting plate; 140. First locking element; 141. First locking pin; 142. First locking screw; 150. Host mounting bracket; 151. Second mounting hole; 160. Second locking element; 161. Second locking pin; 162. Second locking screw; X, First direction; Y, Second direction. Detailed Implementation
[0040] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.
[0041] In this application, the terms “upper,” “lower,” “left,” “right,” “front,” “back,” “top,” “bottom,” “inner,” “outer,” “vertical,” “horizontal,” “lateral,” and “longitudinal” indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. These terms are primarily for the purpose of better describing this application and its embodiments, and are not intended to limit the indicated devices, elements, or components to having a specific orientation, or to be constructed and operated in a specific orientation.
[0042] Furthermore, in addition to indicating location or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.
[0043] Furthermore, the terms "installation," "setup," "equipped with," "connection," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.
[0044] Furthermore, the terms "first," "second," etc., are primarily used to distinguish different devices, elements, or components (which may be the same or different in specific type and construction), and are not intended to indicate or imply the relative importance or quantity of the indicated devices, elements, or components. Unless otherwise stated, "a plurality of" means two or more.
[0045] As the core interactive carrier within the vehicle, the in-vehicle host faces increasingly stringent requirements for performance and reliability. Before leaving the factory, it must pass testing with specialized fixtures to verify key indicators such as display, touch control, and heat dissipation. Furthermore, its installation posture (such as tilt angle) directly affects the realism of the test. The display effect, operation response, and heat dissipation performance of the host will change under different postures, requiring testing that simulates the actual vehicle installation conditions. Existing in-vehicle host testing fixtures generally adopt a dedicated customization model, designing and manufacturing corresponding fixtures and support structures separately for the size, installation position, and posture requirements of different host models, adapting only to the installation position and posture requirements of specific hosts. However, this customized fixture has the problem of poor universality, resulting in the inability to reuse old fixtures after host updates, thus causing resource waste.
[0046] In view of this, this application provides a vehicle-mounted host testing fixture. By setting up a first frame and a second frame that are rotatably connected to each other, and using a first locking member to fix the relative rotation angle between the two, and setting multiple mounting positions on the second frame, different models of vehicle-mounted hosts can be installed in the corresponding mounting positions through the mounting bracket. This can meet the requirements of different models of vehicle-mounted hosts for mounting positions and testing postures, replacing traditional special-purpose custom fixtures and support structures. It solves the problems of poor versatility of existing fixtures and the inability to reuse old fixtures after host updates, which leads to resource waste. It improves the versatility of testing fixtures and effectively saves resources.
[0047] Figure 1 This is a schematic diagram of the first structure of the vehicle-mounted host testing fixture provided in the embodiments of this application; Figure 2 An exploded view of the vehicle-mounted host testing fixture provided in the embodiments of this application; Figure 3 for Figure 1 Front view; Figure 4 for Figure 1 Rear view; Figure 5 for Figure 1 The right view; Figure 6 for Figure 1 The left view; Figure 7 This is a schematic diagram of a second structure of the vehicle-mounted host testing fixture provided in the embodiments of this application; Figure 8 This is a schematic diagram of the structure of the first frame in the vehicle-mounted host testing fixture provided in the embodiments of this application; Figure 9 A schematic diagram of the structure of the second frame in the vehicle host testing fixture provided in the embodiments of this application; Figure 10 This is a schematic diagram of the installation of the first frame and the second frame in the vehicle host test fixture provided in the embodiments of this application; Figure 11 This is a schematic diagram of the installation of the first frame and the fixing bracket in the vehicle host test fixture provided in the embodiments of this application.
[0048] You can refer to this. Figures 1 to 11 This application provides a vehicle-mounted host testing fixture, including:
[0049] The mounting bracket 110 is used to fix the device to the experimental test bench of the vehicle-mounted host.
[0050] The first frame 120 is mounted on the fixing frame 110;
[0051] The second frame 130 is rotatably fitted inside the first frame 120, and the second frame 130 has multiple mounting positions.
[0052] The first locking member 140 is threadedly connected to the first frame 120, and the end of the first locking member 140 is configured to abut against the second frame 130 to fix the relative rotation angle of the first frame 120 and the second frame 130.
[0053] The host mounting bracket 150 is used to install the vehicle host unit, and the host mounting bracket 150 is installed in the mounting position.
[0054] It is understandable that the experimental test bench can simulate the environment when a vehicle is driving, such as acceleration, deceleration, and turning.
[0055] The mounting position can be different types of mounting holes, mounting slots, etc., to accommodate different types of host mounting brackets 150.
[0056] The vehicle-mounted host testing fixture 100 provided in this application sets up a first frame 120 and a second frame 130 that are rotatably connected to each other. The relative rotation angle between the two is fixed by a first locking member 140. Multiple mounting positions are set on the second frame 130, so different models of vehicle-mounted hosts can be installed in the corresponding mounting positions through the mounting bracket. This can meet the requirements of different models of vehicle-mounted hosts for mounting positions and testing postures, replace traditional special customized fixtures and support structures, solve the problems of poor versatility of existing fixtures and the inability to reuse old fixtures after host updates, which leads to resource waste, improve the versatility of testing fixtures, and effectively save resources.
[0057] In the above embodiment, the first frame 120 includes two first substrates 121 facing each other along a first direction X and two first connecting plates 122 facing each other along a second direction. Both first connecting plates 122 are connected between the two first substrates 121, and the second direction is perpendicular to the first direction X. The second frame 130 includes two second substrates 131 facing each other along the first direction X and two second connecting plates 132 facing each other along the second direction. Both second connecting plates 132 are connected between the two second substrates 131. The second frame 130 is rotatably fitted inside the first frame 120. The second substrates 131 and the first substrates 121 are rotatably connected. The top of the second substrate 131 has a plurality of spaced-apart first mounting holes 131. 1; A first locking member 140 is threadedly connected to a first base plate 121, and the end of the first locking member 140 is configured to abut against a second base plate 131 to fix the relative rotation angle of the first frame 120 and the second frame 130; The main unit mounting bracket 150 has a second mounting hole 151 that matches the first mounting hole 1311, and the main unit mounting bracket 150 is connected to the first mounting hole 1311 through the second mounting hole 151 thereon; The inner sides of the two first base plates 121 have a first mounting shaft 123, and the two second base plates 131 have a third mounting hole 1312, the first mounting shaft 123 passes through the third mounting hole 1312, and the second base plate 131 is configured to rotate about the first mounting shaft 123.
[0058] It is understandable that the rotating connection structure with shaft-hole mating has the characteristics of simple structure and convenient assembly. It can realize the angle adjustment of the second frame 130 relative to the first frame 120 without complex transmission components, reducing the overall processing and assembly cost of the tooling fixture. The rotating connection method with shaft-hole mating allows the rotation angle adjustment of the second frame 130 to be continuous and precise, which can flexibly match the tilt posture requirements of different vehicle-mounted hosts during actual vehicle installation, ensuring that the test posture is consistent with the actual vehicle installation state and improving the authenticity of the test. The mating structure of the first mounting shaft 123 and the third mounting hole 1312 has good load-bearing stability, which can effectively support the second frame 130 and the vehicle-mounted host installed on it, avoiding shaking or displacement during the test and ensuring the accuracy of the test data. This rotating connection structure does not depend on the size parameters of a specific model of vehicle-mounted host, and can be used with the first locking member 140 to achieve fixation at different angles, adapting to the posture testing requirements of various models of vehicle-mounted hosts, further improving the versatility of the tooling fixture, reducing the use of special customized tooling, and reducing resource waste.
[0059] In the above embodiments, the first locking member 140 may include a first locking pin 141 and a first locking screw 142, which are threadedly connected to the two first substrates 121 respectively. The double-locking structure, combining pins and screws, allows for simultaneous application of locking force from corresponding positions on the two first substrates 121, resulting in more uniform pressure on the second substrate 131 against the first substrate 121. This avoids localized stress concentration caused by a single locking member and improves the structural stability of the first frame 120 and the second frame 130 after angle fixation. The threaded connection provides convenient adjustment; the magnitude of the end-pressure force can be precisely controlled by rotating the first locking pin 141 and the first locking screw 142. This achieves both secure angle locking and prevents substrate deformation due to excessive locking force. Furthermore, the double-locking design provides double anti-loosening, preventing locking failure due to vibration during testing.
[0060] In the above embodiments, the outer side of the second substrate 131 may have a first scale 1313 arranged around the third mounting hole 1312, and the outer side of the first substrate 121 has a first indicator mark. The first indicator mark is configured to point to a certain position of the first scale 1313 to display the numerical value of the relative rotation angle between the first frame 120 and the second frame 130. The combination of scale and indicator marks allows for intuitive quantification of the relative rotation angle between the first frame 120 and the second frame 130, replacing the traditional experience-based adjustment method. This achieves precise angle positioning, ensuring consistency in the test posture of different batches and models of vehicle-mounted main units, and improving the repeatability of test data. Operators can directly adjust and lock the angle by observing the scale values corresponding to the indicator marks, without the need for additional angle measuring instruments. This simplifies the operation process of the test fixture, reduces the skill requirements for operators, and improves testing efficiency. The clear angle scale can quickly match the actual vehicle tilt posture parameters of different vehicle-mounted main units, making it easy for the fixture to accurately adjust the angle according to the installation requirements of different vehicle models, further enhancing the fixture's adaptability to multiple main unit models. The scale and indicator marks are directly printed or etched onto the outside of the substrate, resulting in a stable structure that is not easily worn and can maintain a clear indication effect for a long time. This avoids angle adjustment errors caused by blurred markings and ensures the long-term reliability of the fixture.
[0061] In the above embodiments, the fixing frame 110 may include a pair of spaced-apart mounting seats, the first frame 120 is mounted between the two mounting seats, and the first connecting plate 122 and the mounting seats are rotatably connected; the vehicle host test fixture 100 also includes a second locking member 160, which is threadedly connected to the mounting seat, and the end of the second locking member 160 is configured to abut against the first connecting plate 122 to fix the relative rotation angle between the first frame 120 and the mounting seat. It can be understood that this structure, based on the rotation adjustment of the first frame 120 and the second frame 130, adds a rotation adjustment dimension of the first frame 120 relative to the fixing frame 110, realizing a two-dimensional angle adjustment of the vehicle host test posture. This can more comprehensively simulate different installation postures of the vehicle host in the vehicle, significantly improving the fit between the test scenario and the actual vehicle installation state; the two-dimensional rotation and locking structures do not interfere with each other, and can be independently adjusted and locked, adapting to the posture requirements of vehicle hosts in different models and installation positions, further breaking through the limitations of traditional dedicated fixtures. The limitations of single-fit design are significantly reduced, enhancing the versatility of tooling fixtures. The threaded second locking element 160 allows for precise control of the locking force, ensuring structural stability after angle locking and preventing angle deviation due to vibration during testing. It also avoids component deformation caused by excessive locking force. Furthermore, the independent locking operation enables precise step-by-step angle adjustment. The dual-dimensional adjustable structural design eliminates the need for custom-made tooling for different pose requirements, effectively solving the problem of unusable old tooling after host machine updates. This reduces the cost of repetitive tooling design and processing, and minimizes resource waste.
[0062] In the above embodiment, the two mounting bases may have a second mounting shaft 111, the two first connecting plates 122 have a fourth mounting hole 1221, the second mounting shaft 111 passes through the fourth mounting hole 1221, and the first connecting plate 122 is configured to rotate about the second mounting shaft 111. The rotating connection method using shaft-hole mating is simple in structure and easy to manufacture. It can be directly assembled using standardized shaft and hole components, reducing the overall manufacturing cost of the tooling. This structure, combined with the rotational adjustment of the first frame 120 and the second frame 130, constructs a two-dimensional, independently controllable angle adjustment system. The rotation of the first frame 120 relative to the fixed frame 110 can adjust the tilt angle of the vehicle host in another direction. Combined with the angle adjustment of the second frame 130 relative to the first frame 120, it can comprehensively cover the actual installation posture of vehicle hosts of different models, greatly improving the realism of the test scenario. The clearance fit of the shaft and hole is controllable, which can effectively limit the rotational freedom of the first frame 120, retaining only the rotational adjustment capability in the preset direction, avoiding unexpected displacement or shaking during the test, and ensuring the test stability of the vehicle host. In addition, this rotating connection structure does not depend on the specific model parameters of the vehicle host. It can be fixed at any angle with the second locking component 160, adapting to the posture test requirements of different host specifications, further expanding the universal adaptability of the tooling, reducing the investment in dedicated customized tooling, and reducing resource waste.
[0063] In the above embodiments, the second locking member 160 may include a second locking pin 161 and a second locking screw 162, with the second locking pin 161 and the second locking screw 162 respectively threadedly connected to two mounting seats. It is understandable that the symmetrical arrangement of the dual locking components can apply a uniform clamping force to the first connecting plate 122 from the corresponding positions of the two mounting seats, avoiding local stress concentration caused by a single locking component, effectively preventing the first frame 120 from shifting relative to the fixed frame 110 due to vibration during testing, and improving the overall structural rigidity and testing stability of the tooling; the locking pin and screw of the threaded connection can independently adjust the clamping force, which can not only achieve a firm lock of the angle of the first frame 120 through precise tightening, but also avoid deformation of the connecting plate or mounting seat due to excessive clamping force. At the same time, the dual component design forms a double anti-loosening guarantee, further reducing the risk of locking failure; this locking structure is matched with the dual-dimensional angle adjustment system, does not limit the rotation adjustment range of the first frame 120, and can adapt to the tilt posture requirements of the vehicle host in different directions. With the synergistic effect of the first locking component 140, it can achieve all-round precise control of the vehicle host test posture.
[0064] In the above embodiments, the outer side of the first connecting plate 122 may have a second scale 1222 surrounding the fourth mounting hole 1221, and the outer side of the mounting base has a second indicator mark, which is configured to point to a certain position of the second scale 1222 to display the numerical value of the relative rotation angle between the first frame 120 and the mounting base. The combination of the scale and the indicator marks allows for the quantitative display of the rotation angle of the first frame 120 relative to the fixed frame 110. This, along with the first scale 1313 on the second substrate 131, forms a two-dimensional visual control of the angle, enabling precise positioning of the vehicle-mounted host test posture. This avoids angle deviations caused by experience-based adjustments, ensuring consistency between the test posture of different host models and the actual vehicle installation state, and improving the accuracy and repeatability of test data. Operators can directly adjust and lock the two-dimensional angle step-by-step by observing the scale values corresponding to the indicator marks, without the need for additional angle measuring instruments. This simplifies the tooling operation process, reduces the skill requirements for operators, and improves testing efficiency. From a universal compatibility perspective, the clear two-dimensional angle scale can quickly match the vehicle-mounted host installation posture parameters of different vehicle models and installation positions, facilitating flexible angle adjustments based on diverse testing needs and further enhancing the tooling's adaptability to multiple host models.
[0065] In the above embodiments, the ends of the first locking pin 141 and the second locking pin 161 can be constructed as sharp-angle structures to be embedded in the second substrate 131 or the first connecting plate 122. The sharp-angle structures can penetrate the contact surface of the substrate or the connecting plate to form a mechanical locking effect. Combined with the preload of the threaded connection, this significantly improves the reliability of the angle fixation between the first frame 120 and the second frame 130, and between the first frame 120 and the mounting base, effectively preventing angle deviation caused by vibration during testing and solving the loosening problem that easily occurs with single threaded clamping. The point contact method of the sharp-angle structure can concentrate the locking force in the contact area, enhancing the clamping effect while avoiding stress dispersion caused by surface contact, thus improving the stability of angle locking. This sharp-angle structure design does not change the existing shaft hole rotation connection and dual-dimensional scale indication structural layout, and can form a synergistic locking effect with the first locking screw 142 and the second locking screw 162, ensuring both the flexibility of angle adjustment and the strengthening of the locking and fixing effect.
[0066] In the above embodiments, both the first frame 120 and the second frame 130 can be made of aluminum alloy. Aluminum alloy, with its low density and light weight, significantly reduces the overall weight of tooling fixtures, facilitating handling, installation, and debugging. It also reduces the load on the experimental test bench, improving operational stability. Aluminum alloy possesses high specific strength, meeting the support requirements of the onboard host and ensuring the frame remains stable during angle adjustment and locking, maintaining accurate test positioning. The aluminum alloy surface readily forms a dense oxide film, exhibiting excellent corrosion and wear resistance, adapting to frequent laboratory testing environments, extending the tooling's lifespan, and reducing replacement costs due to component corrosion or wear. Aluminum alloy's excellent machinability facilitates the forming of structures such as the first mounting shaft 123, mounting holes, scales, and indicator marks, reducing frame processing difficulty and production costs. Furthermore, the high plasticity of aluminum alloy allows for flexible adjustments to frame structural details to meet different testing needs, further enhancing the tooling's versatility. Additionally, the aluminum alloy material facilitates the insertion of the sharp corners of the first locking pin 141 and the second locking pin 161, improving locking effectiveness.
[0067] The vehicle-mounted host testing fixture 100 provided in this application embodiment sets up a first frame 120 and a second frame 130 that are rotatably connected to each other, and uses a first locking member 140 to fix the relative rotation angle between the two, so as to realize the flexible adjustment of the vehicle-mounted host installation posture to simulate the actual vehicle installation state and ensure the authenticity of the test. At the same time, by setting multiple spaced first mounting holes 1311 on the top of the second frame 130, and cooperating with the host mounting bracket 150 with matching second mounting holes 151, the fixture can be adapted to the mounting hole requirements of different models of vehicle-mounted hosts, replacing the traditional special customized fixtures and support structures. This solves the problem of poor versatility of existing fixtures and the inability to reuse old fixtures after host updates, which causes resource waste. It improves the versatility of the testing fixture, effectively saves resources, and can flexibly adjust the vehicle-mounted host test posture to ensure that the test results are consistent with the actual vehicle installation state.
[0068] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.
Claims
1. A vehicle-mounted host testing fixture (100), characterized in that, include: The mounting bracket (110) is used to fix the device to the experimental test bench of the vehicle host. The first frame (120) is disposed on the fixed frame (110); The second frame (130) is rotatably fitted inside the first frame (120), and the second frame (130) has multiple mounting positions; A first locking member (140) is threadedly connected to the first frame (120), and the end of the first locking member (140) is configured to abut against the second frame (130) to fix the relative rotation angle of the first frame (120) and the second frame (130); A host mounting bracket (150) is used to mount the vehicle host unit, and the host mounting bracket (150) is mounted in the mounting position.
2. The vehicle-mounted host testing fixture (100) according to claim 1, characterized in that, The first frame (120) includes two first substrates (121) facing each other along a first direction (X) and two first connecting plates (122) facing each other along a second direction. The two first connecting plates (122) are connected between the two first substrates (121), and the second direction is perpendicular to the first direction (X). The second frame (130) includes two second substrates (131) facing each other along the first direction (X) and two second connecting plates (132) facing each other along the second direction. The two second connecting plates (132) are connected between the two second substrates (131). The second frame (130) is rotatably fitted inside the first frame (120). The second substrates (131) and the first substrates (121) are rotatably connected. The top of the second substrate (131) has a plurality of spaced first mounting holes (1311). The first locking member (140) is threaded to the first base plate (121), and the end of the first locking member (140) is configured to abut against the second base plate (131) to fix the relative rotation angle of the first frame (120) and the second frame (130); The host mounting bracket (150) has a second mounting hole (151) that matches the first mounting hole (1311), and the host mounting bracket (150) is connected to the first mounting hole (1311) through the second mounting hole (151); The inner sides of the two first substrates (121) have a first mounting shaft (123), and the two second substrates (131) have a third mounting hole (1312). The first mounting shaft (123) passes through the third mounting hole (1312), and the second substrates (131) are configured to rotate about the first mounting shaft (123).
3. The vehicle-mounted host testing fixture (100) according to claim 2, characterized in that, The first locking member (140) includes a first locking pin (141) and a first locking screw (142), which are threaded to the two first base plates (121) respectively.
4. The vehicle-mounted host testing fixture (100) according to claim 3, characterized in that, The outer side of the second substrate (131) has a first scale (1313) arranged around the third mounting hole (1312), and the outer side of the first substrate (121) has a first indicator mark, which is configured to point to a position of the first scale (1313) to display the numerical value of the relative rotation angle between the first frame (120) and the second frame (130).
5. The vehicle-mounted host testing fixture (100) according to claim 4, characterized in that, The fixing frame (110) includes a pair of spaced-apart mounting seats, the first frame (120) is mounted between the two mounting seats, and the first connecting plate (122) and the mounting seats are rotatably connected; The vehicle-mounted host test fixture (100) further includes a second locking member (160), which is threaded to the mounting base. The end of the second locking member (160) is configured to abut against the first connecting plate (122) to fix the relative rotation angle between the first frame (120) and the mounting base.
6. The vehicle-mounted host testing fixture (100) according to claim 5, characterized in that, The two mounting bases have a second mounting shaft (111), and the two first connecting plates (122) have a fourth mounting hole (1221), the second mounting shaft (111) passing through the fourth mounting hole (1221), and the first connecting plate (122) is configured to rotate about the second mounting shaft (111).
7. The vehicle-mounted host testing fixture (100) according to claim 6, characterized in that, The second locking member (160) includes a second locking pin (161) and a second locking screw (162), which are threaded to the two mounting seats respectively.
8. The vehicle-mounted host testing fixture (100) according to claim 7, characterized in that, The outer side of the first connecting plate (122) has a second scale (1222) arranged around the fourth mounting hole (1221), and the outer side of the mounting base has a second indicator mark, which is configured to point to a position of the second scale (1222) to display the numerical value of the relative rotation angle between the first frame (120) and the mounting base.
9. The vehicle-mounted host testing fixture (100) according to claim 8, characterized in that, The ends of the first locking pin (141) and the second locking pin (161) are configured as sharp-angled structures to be embedded in the second substrate (131) or the first connecting plate (122) through the sharp-angled structures.
10. The vehicle-mounted host testing fixture (100) according to any one of claims 1-9, characterized in that, Both the first frame (120) and the second frame (130) are made of aluminum alloy.