Engine hood hinge simulation device
By designing the engine hood hinge simulation device and using the four-link structure and counterweight mechanism, the problem of the inability to accurately simulate the movement trajectory of the engine hood hinge in the prior art is solved, and accurate simulation and verification are achieved in the production process of the whole vehicle.
Patent Information
- Application Number
- CN202421362102.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-14
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-06-14
AI Technical Summary
The prior art cannot accurately simulate the movement trajectory of the engine hood hinge, resulting in the inability to accurately judge the running trajectory of the engine hood during the whole vehicle production process.
A hood hinge simulation device is designed, which includes a simulation artboard, two motion simulation mechanisms arranged side by side, and a counterweight mechanism. By cooperating with each other with the slider, the locking member, the first telescopic member, the second telescopic member and the third telescopic member, a four-link structure is formed, which simulates the movement trajectory of the hood hinge and simulates the weight of the hood through the counterweight mechanism.
The accurate simulation of the movement trajectory of the hood hinge is achieved, which can restore the working environment of the actual hood hinge, and reduce the cost of mold rectification and production stop loss.
Smart Images
Figure CN222774918U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of engine hood hinges, in particular to an engine hood hinge simulation device. Background Art
[0002] At present, simple four-bar linkage motion trajectory simulation devices are generally used for teaching demonstrations. There is no scenario in the prior art where four-bar linkage motion is applied to the simulation of the hood hinge. However, if a simple four-bar linkage motion trajectory simulation device is applied to the simulation of the hood hinge motion trajectory, there is a problem that the weight of the hood will affect the running trajectory, and the existing solution cannot achieve simulation. Therefore, during the vehicle production process, the running trajectory of the hood cannot be accurately judged. Utility Model Content
[0003] The utility model aims to provide a hood hinge simulation device to solve the problem that the motion track of the hood hinge cannot be simulated in the prior art.
[0004] On the one hand, the utility model provides a hood hinge simulation device, which includes a simulation drawing board; two motion simulation mechanisms arranged side by side, the motion simulation mechanism includes a sliding member, a locking member, a first telescopic member, a second telescopic member and a third telescopic member, the sliding member is slidably arranged on the simulation drawing board, the locking member is arranged on the simulation drawing board with an interval with the sliding member, and is located in the same straight line as the sliding direction of the sliding member, one end of the second telescopic member is rotatably connected to the sliding member, the other end of the second telescopic member is rotatably connected to one end of the first telescopic member, one end of the third telescopic member is rotatably connected to the locking member, the other end of the third telescopic member is rotatably connected to the other end of the first telescopic member, the sliding directions of the first telescopic member and the sliding member are horizontal, and the first telescopic member is used to simulate the motion trajectory of the hood hinge; a counterweight mechanism, the two ends of the counterweight mechanism are respectively arranged on the first telescopic members of the two motion simulation mechanisms, and the counterweight mechanism is used to simulate the weight of the hood.
[0005] As an optional technical solution for the hood hinge simulation device, the first telescopic member includes a telescopic structure and a first clamping structure and a second clamping structure respectively arranged at both ends of the telescopic structure. The first clamping structure and the second clamping structure are both used to clamp a paintbrush to simulate the movement trajectory of the hood hinge. The telescopic structure can be arranged telescopically, and the second telescopic member, the third telescopic member and the counterweight mechanism are all arranged on the telescopic structure.
[0006] As an optional technical solution for the engine hood hinge simulation device, the telescopic structure includes a first locking sleeve, a first adjusting rod, a connecting rod, a second locking sleeve and a second adjusting rod. The first locking sleeve is sleeved on the first adjusting rod and can lock or unlock the position of the first adjusting rod. One end of the first adjusting rod is connected to the first clamping structure, and the other end of the first adjusting rod is connected to one end of the connecting rod. The second locking sleeve is sleeved on the second adjusting rod and can lock or unlock the position of the second adjusting rod. One end of the second adjusting rod is connected to the second clamping structure, and the other end of the second adjusting rod is connected to the other end of the connecting rod. The counterweight mechanism is connected to the connecting rod, the second telescopic member is rotatably connected to the first adjusting rod, and the third telescopic member is rotatably connected to the second adjusting rod.
[0007] As an optional technical solution for the engine hood hinge simulation device, the first locking sleeve includes a locking nut and a straight section and a tapered section that are interconnected. The locking nut is sleeved on the straight section and cooperates with the outer wall thread of the straight section to lock or unlock the first adjustment rod located at the tapered section.
[0008] As an optional technical solution for the engine hood hinge simulation device, the first adjusting rod includes a rod body, a measuring protrusion and a first connecting ring arranged on the rod body, the first locking sleeve has a measuring groove, the outer wall of the first locking sleeve has a scale arranged along the extension direction of the measuring groove, the first locking sleeve is sleeved on the rod body, the measuring protrusion passes through the measuring groove to indicate the scale value, the first connecting ring is rotatably connected to the second telescopic member, the first clamping structure is connected to one end of the rod body, and the other end of the rod body is connected to the connecting rod.
[0009] As an optional technical solution for the hood hinge simulation device, the first clamping structure includes a clamping ring and a locking clamp. The clamping ring is connected to one end of the telescopic structure. The locking clamp can lock or unlock the clamping ring. The clamping ring is used to clamp the paintbrush.
[0010] As an optional technical solution for the hood hinge simulation device, the second telescopic member includes a third locking sleeve and a third adjusting rod. The third locking sleeve is sleeved on the third adjusting rod and can lock or unlock the position of the third adjusting rod. One end of the third adjusting rod is rotatably connected to the sliding member, and the other end of the third adjusting rod is rotatably connected to one end of the first telescopic member.
[0011] As an optional technical solution for the hood hinge simulation device, the two ends of the third adjusting rod respectively have a second connecting ring and a third connecting ring, the hood hinge simulation device includes a first fastener and a second fastener, the second connecting ring is connected to one end of the first telescopic member through the first fastener, and the third connecting ring is connected to the sliding member through the second fastener.
[0012] As an optional technical solution for the engine hood hinge simulation device, the sliding part includes a sliding rail, a slider, a connecting block and a top screw. The sliding rail is arranged on the simulation drawing board, the slider is slidably arranged on the sliding rail, the connecting block is arranged on the slider, one end of the second telescopic part is rotatably connected to the connecting block, and the top screw can pass through the side wall of the sliding rail and abut against the slider to lock or unlock the slider.
[0013] As an optional technical solution for the engine hood hinge simulation device, the locking part includes a rotating disk and a locking rod. The engine hood hinge simulation device includes a third fastener. The rotating disk and the simulation drawing board are rotatably connected via a rotating shaft. The cavity of the rotating disk has a plurality of locking blocks arranged at intervals. One end of the locking rod penetrates into the cavity of the rotating disk and can be selectively arranged between two adjacent locking blocks. The rotating disk is connected to one end of the third telescopic member via the third fastener.
[0014] As an optional technical solution for the engine hood hinge simulation device, the counterweight mechanism includes a counterweight plate and a magnetic weight arranged on the counterweight plate. The two ends of the counterweight plate are respectively arranged on the first telescopic parts of the two motion simulation mechanisms. The magnetic weight is used to simulate the weight of the engine hood.
[0015] The beneficial effects of the utility model are:
[0016] The utility model provides a hood hinge simulation device, which includes a simulation drawing board, two motion simulation mechanisms arranged side by side, and a counterweight mechanism. Since the motion trajectory of the hood hinge is equivalent to the four-bar motion, a four-bar structure can be formed through the mutual cooperation between the sliding member, the locking member, the first telescopic member, the second telescopic member, and the third telescopic member. During the simulation process, the motion trajectory of the hood hinge can be simulated through the motion trajectory of the first telescopic member. At the same time, the first telescopic member, the second telescopic member, and the third telescopic member are all set to a retractable structure, so that the lengths of different hinges can be simulated; specifically, the counterweight mechanism is set to simulate the weight of the hood, so that the running trajectory of the hood hinge in the actual scene can be simulated, so that the simulated motion trajectory of the hood hinge is more accurate. The hood hinge simulation device of the utility model designs a hood hinge motion simulation device with the aid of a four-bar structure, which can restore the actual working environment of the hood hinge, thereby accurately simulating the motion trajectory of the hood hinge, so that it can be interchanged and verified with the actual hinge during the production process. The simulation device can provide solutions in time, thereby reducing the cost of mold rectification and production downtime losses, and solves the problem that the motion trajectory of the hood hinge cannot be simulated and the motion trajectory is inaccurate in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a structural schematic diagram of the engine hood hinge simulation device in the embodiment of the utility model;
[0018] Figure 2 This is a schematic diagram of the structure of the first telescopic member in the embodiment of the utility model;
[0019] Figure 3 This is a schematic diagram of the structure of the second telescopic member in the embodiment of the utility model;
[0020] Figure 4 This is a schematic diagram of the structure of the sliding member in the embodiment of the utility model;
[0021] Figure 5 It is a schematic diagram of the structure of the locking member in the embodiment of the utility model.
[0022] In the figure:
[0023] 1. Simulation drawing board; 2. Motion simulation mechanism; 21. Sliding member; 211. Slide rail; 212. Sliding block; 213. Connecting block; 22. Locking member; 221. Rotating plate; 2211. Locking block; 222. Locking rod; 23. First telescopic member; 231. Telescopic structure; 2311. First locking sleeve; 23111. Locking nut; 23112. Straight section; 23113. Narrowing section; 2312. First adjusting rod; 23121. Rod body; 23122. Measuring protrusion ; 23123, first connecting ring; 2313, connecting rod; 2314, second locking sleeve; 2315, second adjusting rod; 232, first clamping structure; 2321, clamping ring; 2322, locking clamp; 233, second clamping structure; 24, second telescopic member; 241, third locking sleeve; 242, third adjusting rod; 2421, second connecting ring; 2422, third connecting ring; 25, third telescopic member; 3, counterweight mechanism; 31, counterweight plate; 32, magnetic weight. DETAILED DESCRIPTION
[0024] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0025] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. Among them, the terms "first position" and "second position" are two different positions, and the first feature "above", "above" and "above" the second feature include the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. The first feature "below", "below" and "below" the second feature include the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.
[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0027] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.
[0028] like Figures 1 to 5As shown, this embodiment provides an engine hood hinge simulation device, which includes a simulation drawing board 1, two motion simulation mechanisms 2 arranged side by side, and a counterweight mechanism 3. Since the sliding member 21 is slidably arranged on the simulation drawing board 1, the locking member 22 is spaced apart from the sliding member 21 on the simulation drawing board 1 and is located in the same straight line as the sliding direction of the sliding member 21, and the first telescopic member 23 is horizontal to the sliding direction of the sliding member 21, so that the sliding member 21, the locking member 22, the first telescopic member 23, the second telescopic member 24 and the third telescopic member 25 can form a four-bar structure, and the movement of the engine hood hinge can be simulated through the movement of the first telescopic member 23. At the same time, the counterweight mechanism 3 is set to simulate the weight of the engine hood, so that the actual scene can be simulated. Under the influence of the weight of the engine hood, an accurate simulated motion trajectory is obtained. The engine hood hinge simulation device of the utility model designs the engine hood hinge motion simulation device with the help of a four-bar structure, which can restore the actual working environment of the engine hood hinge, thereby accurately simulating the motion trajectory of the engine hood hinge, so that in the production process, it can be interchanged with the real hinge for verification, and a solution can be given in time through the simulation device, thereby reducing the mold rectification cost and production stop loss.
[0029] In order to simulate the movement trajectory of the engine hood hinge through the first telescopic member 23, the first telescopic member 23 includes a telescopic structure 231 and a first clamping structure 232 and a second clamping structure 233 respectively arranged at both ends of the telescopic structure 231. The first clamping structure 232 and the second clamping structure 233 can be used to clamp a paintbrush, and the paintbrush can be used to simulate the movement trajectory of the engine hood hinge drawn on the drawing board. The telescopic structure 231 is telescopically arranged, so that the length of the first telescopic member 23 can be adjusted according to the actual length of the engine hinge, thereby improving the versatility of the engine hood hinge simulation device.
[0030] like Figure 1 and Figure 2 As shown, in this embodiment, the telescopic structure 231 includes a first locking sleeve 2311, a first adjustment rod 2312, a connecting rod 2313, a second locking sleeve 2314 and a second adjustment rod 2315. The first locking sleeve 2311 can lock or unlock the position of the first adjustment rod 2312. Similarly, the second locking sleeve 2314 can lock or unlock the position of the second adjustment rod 2315, so that the purpose of adjusting the length of the telescopic structure 231 can be achieved; the first clamping structure 232 and the second clamping structure 233 are connected to the first adjustment rod 2312 and the second adjustment rod 2315 respectively, so that the relative position between the first clamping structure 232 and the second clamping structure 233 can be adjusted while adjusting the length of the first adjustment rod 2312 and the second adjustment rod 2315, thereby meeting the length requirement of the engine hood hinge in the actual scene. Among them, the connecting rod 2313 is provided to connect the counterweight mechanism 3.
[0031] Furthermore, the first locking sleeve 2311 includes a locking nut 23111 and a straight section 23112 and a tapered section 23113 that are interconnected. Since the locking nut 23111 and the outer wall threads of the straight section 23112 are matched, the first adjustment rod 2312 located at the tapered section 23113 can be locked or unlocked by screwing the locking nut 23111, thereby achieving the purpose of adjusting the length of the first adjustment rod 2312.
[0032] Among them, the first adjusting rod 2312 includes a rod body 23121 and a measuring protrusion 23122 and a first connecting ring 23123 arranged on the rod body 23121. The first locking sleeve 2311 is also provided with a measuring groove. At the same time, the outer wall of the first locking sleeve 2311 has a scale arranged along the extension direction of the measuring groove. In this way, when the telescopic length of the rod body 23121 is adjusted, the scale value corresponding to the position of the measuring protrusion 23122 can be observed to achieve the purpose of adjusting the precise length.
[0033] The structure of the second locking sleeve 2314 is the same as that of the first locking sleeve 2311 , and the structure of the second adjustment rod 2315 is the same as that of the first adjustment rod 2312 , which will not be described in detail herein.
[0034] Specifically, the first clamping structure 232 includes a clamping ring 2321 and a locking clamp 2322. The clamping ring 2321 is connected to one end of the telescopic structure 231, and the clamping ring 2321 can be used to clamp the brush. Then, the clamping ring 2321 can be locked or unlocked by screwing the locking clamp 2322, which is convenient for installing and removing the brush. The structure of the second clamping structure 233 is the same as that of the first clamping structure 232.
[0035] In this embodiment, the second telescopic member 24 includes a third locking sleeve 241 and a third adjusting rod 242. The third locking sleeve 241 can lock or unlock the position of the third adjusting rod 242, thereby achieving the purpose of adjusting the length of the third adjusting rod 242. Among them, one end of the third adjusting rod 242 is rotatably connected to the sliding member 21, and the other end of the third adjusting rod 242 is rotatably connected to one end of the first telescopic member 23, thereby meeting the actual motion scene. Among them, the structure of the third locking sleeve 241 is the same as that of the first locking sleeve 2311, and the structure of the third adjusting rod 242 is the same as that of the first adjusting rod 2312.
[0036] Furthermore, the two ends of the third adjusting rod 242 respectively have a second connecting ring 2421 and a third connecting ring 2422, and the engine hood hinge simulation device includes a first fastener and a second fastener. In this embodiment, the second connecting ring 2421 can be used to connect the first fastener and one end of the first telescopic member 23, and the third connecting ring 2422 can be used to connect the second fastener and the sliding member 21. The first fastener and the second fastener are both connection structures in which bolts and nuts cooperate with each other. The bolts can be used as connecting axes. The accuracy range of the bolts is 9-9.5mm. The aperture of the standard round hole is 10mm as a connecting mechanism, which can realize the simulation of motion trajectories under different manufacturing precisons.
[0037] In this embodiment, if Figure 1 and Figure 4 As shown, the sliding member 21 includes a sliding rail 211, a slider 212, a connecting block 213 and a top screw. The sliding rail 211 can be set on the simulated drawing board 1, and the slider 212 can slide on the sliding rail 211. The top screw is set to pass through the side wall of the sliding rail 211 and abut against the slider 212, so as to achieve the purpose of locking or unlocking the slider 212; at the same time, the connecting block 213 and one end of the second telescopic member 24 can be rotatably connected, wherein the connecting block 213 and one end of the second telescopic member 24 are also rotatably connected by a connecting structure in which bolts and nuts cooperate with each other.
[0038] Specifically, the locking member 22 includes a rotating disk 221 and a locking rod 222, and the hood hinge simulation device includes a third fastener. The rotating disk 221 and the simulation drawing board 1 are rotatably connected through a rotating shaft, so that the rotation of the rotating disk 221 can be realized. At the same time, a plurality of locking blocks 2211 arranged at intervals are provided in the cavity of the rotating disk 221, and the locking rod 222 can be selectively arranged between two adjacent locking blocks 2211, so as to limit the rotation of the rotating disk 221 and achieve the purpose of locking; similarly, the rotating disk 221 and one end of the third telescopic member 25 can be connected through the third fastener, so as to drive the third telescopic member 25 to realize rotation. Among them, the third fastener is a connection structure in which a bolt and a nut cooperate with each other.
[0039] In this embodiment, the counterweight mechanism 3 includes a counterweight plate 31 and a magnetic weight 32 arranged on the counterweight plate 31. The counterweight plate 31 is arranged to be connected to the first telescopic parts 23 of the two motion simulation mechanisms 2 respectively, and the connection can be achieved by bolt connection; at the same time, the magnetic weight 32 is arranged to simulate the weight of the engine hood according to the actual situation on site.
[0040] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the claims of the present invention.
Claims
1. A hood hinge simulation device, characterized in that: include: Analog drawing board (1); Two motion simulation mechanisms (2) are arranged side by side, the motion simulation mechanism (2) comprising a sliding member (21), a locking member (22), a first telescopic member (23), a second telescopic member (24) and a third telescopic member (25), the sliding member (21) is slidably arranged on the simulation drawing board (1), the locking member (22) is arranged on the simulation drawing board (1) with a spacing from the sliding member (21) and is located in the same straight line as the sliding direction of the sliding member (21), one end of the second telescopic member (24) is rotationally connected to the sliding member (21), the other end of the second telescopic member (24) is rotationally connected to one end of the first telescopic member (23), one end of the third telescopic member (25) is rotationally connected to the locking member (22), the other end of the third telescopic member (25) is rotationally connected to the other end of the first telescopic member (23), the sliding direction of the first telescopic member (23) is horizontal to that of the sliding member (21), and the first telescopic member (23) is used to simulate the motion trajectory of the engine hood hinge; A counterweight mechanism (3), the two ends of which are respectively arranged on the first telescopic parts (23) of the two motion simulation mechanisms (2), and the counterweight mechanism (3) is used to simulate the weight of the engine hood.
2. The hood hinge simulation device according to claim 1, characterized in that: The first telescopic member (23) comprises a telescopic structure (231) and a first clamping structure (232) and a second clamping structure (233) respectively arranged at two ends of the telescopic structure (231); the first clamping structure (232) and the second clamping structure (233) are both used to clamp a paintbrush to simulate the movement trajectory of the engine hood hinge; the telescopic structure (231) is telescopically arranged; the second telescopic member (24), the third telescopic member (25) and the counterweight mechanism (3) are all arranged on the telescopic structure (231).
3. The hood hinge simulation device according to claim 2, characterized in that: The telescopic structure (231) comprises a first locking sleeve (2311), a first adjusting rod (2312), a connecting rod (2313), a second locking sleeve (2314) and a second adjusting rod (2315), wherein the first locking sleeve (2311) is sleeved on the first adjusting rod (2312) and is capable of locking or unlocking the position of the first adjusting rod (2312), one end of the first adjusting rod (2312) is connected to the first clamping structure (232), the other end of the first adjusting rod (2312) is connected to one end of the connecting rod (2313), and the second locking sleeve (2314) is connected to the second adjusting rod (2315). The sleeve (2314) is sleeved on the second adjusting rod (2315) and can lock or unlock the position of the second adjusting rod (2315); one end of the second adjusting rod (2315) is connected to the second clamping structure (233); the other end of the second adjusting rod (2315) is connected to the other end of the connecting rod (2313); the counterweight mechanism (3) is connected to the connecting rod (2313); the second telescopic member (24) is rotatably connected to the first adjusting rod (2312); and the third telescopic member (25) is rotatably connected to the second adjusting rod (2315).
4. The hood hinge simulation device according to claim 3, characterized in that: The first locking sleeve (2311) comprises a locking nut (23111) and a straight section (23112) and a tapered section (23113) connected to each other. The locking nut (23111) is sleeved on the straight section (23112) and is threadedly matched with the outer wall of the straight section (23112) to lock or unlock the first adjusting rod (2312) located at the tapered section (23113).
5. The hood hinge simulation device according to claim 3, characterized in that: The first adjusting rod (2312) comprises a rod body (23121), a measuring protrusion (23122) and a first connecting ring (23123) arranged on the rod body (23121); the first locking sleeve (2311) has a measuring groove; the outer wall of the first locking sleeve (2311) has a scale arranged along the extending direction of the measuring groove; the first locking sleeve (2311) is sleeved on the rod body (23121); the measuring protrusion (23122) passes through the measuring groove to indicate the scale value; the first connecting ring (23123) and the second telescopic member (24) are rotatably connected; the first clamping structure (232) is connected to one end of the rod body (23121); and the other end of the rod body (23121) is connected to the connecting rod (2313).
6. The hood hinge simulation device according to claim 2, characterized in that: The first clamping structure (232) comprises a clamping ring (2321) and a locking clamp (2322); the clamping ring (2321) is connected to one end of the telescopic structure (231); the locking clamp (2322) can lock or unlock the clamping ring (2321); and the clamping ring (2321) is used for clamping a paintbrush.
7. The hood hinge simulation device according to claim 1, characterized in that: The second telescopic member (24) comprises a third locking sleeve (241) and a third adjusting rod (242); the third locking sleeve (241) is sleeved on the third adjusting rod (242) and is capable of locking or unlocking the position of the third adjusting rod (242); one end of the third adjusting rod (242) is rotatably connected to the sliding member (21), and the other end of the third adjusting rod (242) is rotatably connected to one end of the first telescopic member (23).
8. The hood hinge simulation device according to claim 7, characterized in that: The two ends of the third adjustment rod (242) are respectively provided with a second connecting ring (2421) and a third connecting ring (2422); the engine hood hinge simulation device comprises a first fastener and a second fastener; the second connecting ring (2421) is connected to one end of the first telescopic member (23) via the first fastener; and the third connecting ring (2422) is connected to the sliding member (21) via the second fastener.
9. The hood hinge simulation device according to claim 1, characterized in that: The sliding member (21) comprises a sliding rail (211), a slider (212), a connecting block (213) and a top screw; the sliding rail (211) is arranged on the simulated drawing board (1); the slider (212) is slidably arranged on the sliding rail (211); the connecting block (213) is arranged on the slider (212); one end of the second telescopic member (24) is rotatably connected to the connecting block (213); the top screw can pass through the side wall of the sliding rail (211) and abut against the slider (212) to lock or unlock the slider (212).
10. The hood hinge simulation device according to claim 1, characterized in that: The locking member (22) includes a rotating disk (221) and a locking rod (222), the engine hood hinge simulation device includes a third fastener, the rotating disk (221) and the simulation drawing board (1) are rotatably connected via a rotating shaft, a cavity of the rotating disk (221) has a plurality of locking blocks (2211) arranged at intervals, one end of the locking rod (222) penetrates into the cavity of the rotating disk (221) and can be selectively arranged between two adjacent locking blocks (2211), the rotating disk (221) is connected to one end of the third telescopic member (25) via the third fastener.
11. The hood hinge simulation device according to claim 1, characterized in that: The counterweight mechanism (3) comprises a counterweight plate (31) and a magnetic weight (32) arranged on the counterweight plate (31); two ends of the counterweight plate (31) are respectively arranged on the first telescopic parts (23) of the two motion simulation mechanisms (2); and the magnetic weight (32) is used to simulate the weight of the engine hood.