Spine box assembly of safety test dummy and safety test dummy

Abstract

The utility model discloses a safety test dummy spine box assembly and a safety test dummy, and relates to the technical field of automobile crash safety test, the spine box assembly is connected between the neck and the hip of the safety test dummy, the spine box assembly comprises an upper spine box assembly and a lower spine box assembly, the upper spine box assembly is connected with the neck, and the lower spine box assembly is connected with the hip. The lower spine box assembly is connected with the hip, and the upper spine box assembly is movably connected to the lower spine box assembly; the elastic piece is used for applying elastic force which is kept above the lower spine box assembly in the vertical direction to the upper spine box assembly, and the upper spine box assembly overcomes the elastic force of the elastic piece and moves relative to the spine box assemblies when subjected to inertia. According to the spine box assembly of the safety test dummy, when the upper spine box assembly drives the neck to move through the elastic piece, movement overcoming elastic force can be conducted, the movement speed is reduced, the upper spine box assembly can be driven to restore to the original position, and simulation of the movement state of the spine of the human body is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of automobile crash safety test technology especially relates to a spine box assembly of safety test dummy and safety test dummy. BACKGROUND

[0002] Safety test dummy is the key equipment of automobile crash test, through the collection of sensor data of safety test dummy in the crash process, the harm condition of dummy can be evaluated, and then the injury condition of human body in actual crash process can be represented. In the related technology, the traditional dummy cannot simulate the forward dynamic movement of the spine of human body in the crash process, and there is room for improvement. SUMMARY

[0003] The utility model discloses at least solve one of the prior art technical problems. Therefore, the utility model provides a spine box assembly of safety test dummy, which can simulate the motion state of the spine of human body in the crash.

[0004] According to the spine box assembly of safety test dummy provided in the embodiment of the utility model, the spine box assembly is connected between the neck and the hip of the safety test dummy, and the spine box assembly comprises: an upper spine box assembly and a lower spine box assembly, the upper spine box assembly is connected with the neck, the lower spine box assembly is connected with the hip, and the upper spine box assembly is movably connected with the lower spine box assembly to move forward and backward relative to the lower spine box assembly; an elastic member is connected between the upper spine box assembly and the lower spine box assembly, and the elastic member is used to apply an elastic force to the upper spine box assembly to keep the upper spine box assembly vertically above the lower spine box assembly, and the upper spine box assembly moves relative to the spine box assembly when subjected to inertia and overcomes the elastic force of the elastic member.

[0005] According to the spine box assembly of safety test dummy provided in the embodiment of the utility model, the upper spine box assembly drives the neck to move by overcoming the elastic force of the elastic member when the upper spine box assembly moves, the movement speed is reduced, the motion state of the spine of human body in the crash is simulated, and the upper spine box assembly can be driven to return to the original position, and the motion state of the spine of human body is simulated.

[0006] According to the spine box assembly of safety test dummy provided in some embodiments of the utility model, the lower part of the upper spine box assembly is rotatably connected with the upper part of the lower spine box assembly, the elastic member is configured as a coil spring, one end of the coil spring is fixed relative to the upper spine box assembly, and the other end of the coil spring is fixed relative to the lower spine box assembly.

[0007] According to some embodiments of the utility model, the spine box assembly of the safety test dummy further includes a coil spring seat, the coil spring seat includes a connecting portion and a mounting shaft portion connected with each other, one of the upper spine box assembly and the lower spine box assembly is fixedly connected with the connecting portion, the coil spring is arranged outside the mounting shaft portion, the inner end of the coil spring is fixedly connected with the mounting shaft portion and the outer end is fixedly connected with the other one of the upper spine box assembly and the lower spine box assembly.

[0008] According to some embodiments of the utility model, the spine box assembly of the safety test dummy, the upper spine box assembly includes an upper spine box and an upper support, the upper spine box is used for being connected with the neck, the upper support is connected below the upper spine box, and the upper support is fixedly connected with the coil spring.

[0009] According to some embodiments of the utility model, the spine box assembly of the safety test dummy, an accommodating cavity is formed in the upper support, through holes are formed at the axial two ends of the accommodating cavity, the mounting shaft portion is arranged in the through hole to penetrate the upper support, and the coil spring is arranged in the accommodating cavity and connected with the inside of the accommodating cavity through the outer end.

[0010] According to some embodiments of the utility model, the spine box assembly of the safety test dummy, the upper spine box assembly further includes a neck lower bracket, the neck lower bracket is connected above the upper spine box, and the upper spine box is connected with the neck through the neck lower bracket.

[0011] According to some embodiments of the utility model, the spine box assembly of the safety test dummy, the lower spine box assembly includes a lower spine box and a lower support, the lower spine box is used for being connected with the hip, the lower support is connected above the lower spine box, and the lower support is fixedly connected with the connecting portion.

[0012] According to some embodiments of the utility model, the spine box assembly of the safety test dummy, the lower support includes a first support plate and a second support plate connected with each other, the first support plate intersects with the second support plate, the first support plate is detachably connected with the connecting portion through a first connecting piece, and the second support plate is detachably connected with the lower spine box through a second connecting piece.

[0013] According to some embodiments of the utility model, the spine box assembly of the safety test dummy, the connecting portion is configured as a connecting plate, the first support plate and the connecting plate are distributed along the horizontal direction and are connected on the side of the connecting plate away from the mounting shaft portion.

[0014] The utility model also provides a safety test dummy, the safety test dummy includes the spine box assembly of the safety test dummy of any one embodiment

[0015] The safety test dummy and the spinal column box assembly of the safety test dummy described above have the same advantages as the prior art, and thus will not be described here again.

[0016] The additional aspects and advantages of the present application will be partially given in the following description, and will become apparent from the following description, or will be understood by those skilled in the art through the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0017] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

[0018] Figure 1 is a structure diagram of a safety test dummy of an embodiment of the present application Figure 1 ;

[0019] Figure 2 is a structure diagram of a safety test dummy of an embodiment of the present application Figure 2 ;

[0020] Figure 3 is a structure diagram of a spinal column box assembly of a safety test dummy of an embodiment of the present application Figure 1 ;

[0021] Figure 4 is a structure diagram of a spinal column box assembly of a safety test dummy of an embodiment of the present application Figure 2 .

[0022] REFERENCE NUMERALS

[0023] safety test dummy 1000,

[0024] spinal column box assembly 100 of a safety test dummy,

[0025] upper spinal column box assembly 1, upper spinal column box 11, upper support 12, through hole 121, neck lower bracket 13,

[0026] lower spinal column box assembly 2, lower spinal column box 21, lower support 22, first support plate 221, second support plate 222, first connecting piece 223, second connecting piece 224, first connecting hole 23, second connecting hole 24,

[0027] coil spring 3, inner end 31, outer end 32,

[0028] coil spring seat 4, connecting part 41, mounting shaft part 42,

[0029] neck 200, hip 300, head 400. DETAILED DESCRIPTION

[0030] The embodiments of the present application are described below in detail, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary only, and are used only for the purpose of explaining the present application, and should not be understood as a limitation of the present application.

[0031] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application. In addition, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0032] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0033] Reference is made below Figures 1-4 The spine box assembly 100 of the safety test dummy according to the embodiment of the present application can simulate the motion state of the human spine during the collision.

[0034] As Figure 3 As shown in the spine box assembly 100 of the safety test dummy according to the embodiment of the present application, the spine box assembly 100 is connected between the neck 200 and the hip 300 of the safety test dummy 1000, and the spine box assembly 100 comprises: an upper spine box assembly 11, a lower spine box assembly 22 and an elastic member.

[0035] The upper spine box assembly 11 is connected with the neck 200, and the lower spine box assembly 22 is connected with the hip 300. The upper spine box assembly 11 is movably connected with the lower spine box assembly 22 to move forward and backward relative to the lower spine box assembly 22. That is, the upper spine box assembly 11 can drive the neck 200 to move forward and backward relative to the lower spine box assembly 22 and the hip 300. For example, the upper spine box assembly 11 can drive the neck 200 to move forward relative to the lower spine box assembly 22 and the hip 300, or the upper spine box assembly 11 can drive the neck 200 to move backward relative to the lower spine box assembly 22 and the hip 300. Thus, the movement state of the human body when the human body is impacted can be simulated, so that the biological simulation degree and the test data accuracy of the safety test dummy 1000 are improved.

[0036] Specifically, when the vehicle is impacted, the impact force can be transmitted to the hip 300 and the spine box assembly 100 through the seat in sequence. When the impact force is transmitted to the upper spine box assembly 11, the upper spine box assembly 11 can move forward or backward relative to the lower spine box assembly 22 under the action of the impact force. The neck 200 connected with the upper spine box assembly 11 can move forward or backward synchronously under the driving of the upper spine box assembly 11. Thus, the linkage of the upper spine box assembly 11 and the neck 200 is realized, and the movement state of the human body can be simulated.

[0037] The elastic member is connected between the upper spine box assembly 11 and the lower spine box assembly 22. The elastic member is used to apply an elastic force to the upper spine box assembly 11 to keep the upper spine box assembly 11 above the lower spine box assembly 22 in the vertical direction. When the upper spine box assembly 11 is subjected to inertia, the upper spine box assembly 11 can move relative to the spine box assembly 100 by overcoming the elastic force of the elastic member. That is, when the upper spine box assembly 11 moves forward or backward relative to the lower spine box assembly 22, the elastic member can generate an elastic force to restore the upper spine box assembly 11 to the original position.

[0038] Specifically, when the impact force is transmitted to the upper spine box assembly 11 to make the upper spine box assembly 11 move forward or backward, the elastic member generates an elastic force opposite to the movement direction of the upper spine box assembly 11 under the action of the movement of the upper spine box assembly 11. Thus, the upper spine box assembly 11 can move by overcoming the elastic force, and the elastic force can drive the upper spine box assembly 11 to work towards the direction of restoring to the original position after the movement of the upper spine box assembly 11 is completed. Thus, the neck 200 can be restored to the original position.

[0039] Therefore, by arranging the elastic member, when the upper cervical box assembly 11 drives the neck 200 to move forward or backward, the upper cervical box assembly 11 is driven to move against the elastic force, so as to reduce the moving speed of the upper cervical box assembly 11, and further simulate the cervical movement state of the human body in the collision, and the upper cervical box assembly 11 can be driven to move to the vertical position above the lower cervical box assembly 22 after the movement of the upper cervical box assembly 11, so as to restore the upper cervical box assembly 11 to the original position, and the movement state of the human body in the collision can be simulated.

[0040] When the collision occurs, the head 400 is inclined forward under the action of inertia, and the neck 200 is elastically deformed under the driving of the head 400, so that the head 400 is inclined forward relative to the upper cervical box assembly 11, and the head 400 can apply a force to the upper cervical box assembly 11 through the neck 200, so as to drive the upper cervical box assembly 11 to move forward relative to the lower cervical box assembly 22, at this time, the neck 200 and the impact force from the lower cervical box assembly 22 both drive the upper cervical box assembly 11 to move forward relative to the lower cervical box assembly 22, and the elastic member can drive the upper cervical box assembly 11 to restore to the original position, and the elastic force can be transmitted upward to the neck 200 to drive the head 400 to restore to the original position, which is beneficial to simulate the forward dynamic movement of the cervical vertebrae of the human body in the collision process, so as to improve the biological simulation degree and the test data accuracy of the safety test dummy 1000.

[0041] In addition, only the elastic member needs to be arranged on the safety test dummy 1000, so that the safety test dummy 1000 can more realistically simulate the movement state of the human body in the collision, the structure is simple, the cost is low, and the safety test dummy 1000 can be seamlessly adapted to the original dummy, and the performance requirements of the safety test dummy 1000 can be met.

[0042] Specifically, when the upper cervical box assembly 11 rotates relative to the lower cervical box assembly 22, the elastic member can be elastically deformed, that is, the elastic potential energy can be generated in the elastic member, at this time, the elastic member can apply an elastic force to the upper cervical box assembly 11 to restore it to the original position, and the upper cervical box assembly 11 can be restored to the position vertically above the lower cervical box assembly 22 under the action of the elastic force, so that the energy storage and release mechanism of the elastic member for muscle pre-tensioning can be simulated, and the elastic member can drive the upper cervical box assembly 11 to automatically rebound. Therefore, the elastic member can simulate the physiological state of the tissues such as the skeleton, ligament and muscle of the human body.

[0043] According to the safety test dummy spinal box assembly 100, when the upper cervical box assembly 11 drives the neck 200 to move, the upper cervical box assembly 11 is driven to move against the elastic force by the elastic member, so as to reduce the moving speed, and further simulate the cervical movement state of the human body in the collision, and the upper cervical box assembly 11 can be driven to restore to the original position, and the cervical movement state of the human body can be simulated.

[0044] In some embodiments, the lower part of the upper spinal box assembly 11 is rotatably connected to the upper part of the lower spinal box assembly 22, and the elastic element is a coil spring 3. One end of the coil spring 3 is fixed relative to the upper spinal box assembly 11, and the other end of the coil spring 3 is fixed relative to the lower spinal box assembly 22. That is, the upper spinal box assembly 11 and the lower spinal box assembly 22 can rotate relative to each other, and the coil spring 3 can generate an elastic force when the upper spinal box assembly 11 and the lower spinal box assembly 22 rotate.

[0045] like Figure 3 and Figure 4 As shown, the lower end of the upper spinal box assembly 11 extending downwards is rotatably connected to the upper end of the lower spinal box assembly 22 extending upwards. That is, the upper spinal box assembly 11 and the lower spinal box assembly 22 can rotate relative to each other. For example, the upper spinal box assembly 11 can rotate forward relative to the lower spinal box assembly 22 to achieve forward tilting of the upper spinal box assembly 11, or the upper spinal box assembly 11 can rotate backward relative to the lower spinal box assembly 22 to achieve backward tilting of the upper spinal box assembly 11. Furthermore, the two ends of the coil spring 3 are respectively connected to the upper spinal box assembly 11 and the lower spinal box assembly 22. One end of the coil spring 3 is connected to the upper spinal box assembly 11, and the other end of the coil spring 3 is connected to the lower spinal box assembly 22, so that the coil spring 3 can generate elastic force when the upper spinal box assembly 11 and the lower spinal box assembly 22 rotate relative to each other.

[0046] Specifically, when the upper spine box assembly 11 tilts forward, it can cause the coil spring 3 connected to it to deform. At this time, the coil spring 3 generates a backward elastic force, so that the upper spine box assembly 11 can move backward under the action of the elastic force. Or, when the upper spine box assembly 11 tilts backward, it can cause the coil spring 3 connected to it to deform. At this time, the coil spring 3 generates a forward elastic force, so that the upper spine box assembly 11 can move forward under the action of the elastic force.

[0047] When the head 400 tilts forward due to inertia, a force can be applied to the upper spine box assembly 11 through the neck 200 to tilt it forward, and the coil spring 3 will undergo elastic deformation, that is, elastic potential energy can be generated in the coil spring 3. At this time, the coil spring 3 can apply an elastic force to the upper spine box assembly 11 to restore it to its original position. The upper spine box assembly 11 can be restored to the position vertically above the lower spine box assembly 22 under the action of the elastic force.

[0048] Thus, by connecting the coil spring 3 with the upper and lower cervical box assemblies 11 and 22 respectively, an elastic force opposite to the movement direction of the upper cervical box assembly 11 can be generated, i.e. by arranging the coil spring 3, when the upper cervical box assembly 11 drives the neck 200 to move forward or backward, the upper cervical box assembly 11 can move against the elastic force, thereby reducing the movement speed of the upper cervical box assembly 11, and further realizing the simulation of the cervical movement state of the human body in the collision, and driving the upper cervical box assembly 11 to move vertically above the lower cervical box assembly 22 after the movement of the upper cervical box assembly 11 ends, i.e. the upper cervical box assembly 11 can be restored to the original position, which is beneficial to simulate the forward dynamic movement of the cervical spine of the human body in the collision process, thereby improving the biological simulation and test data accuracy of the safety test dummy 1000.

[0049] In some embodiments, the cervical box assembly 100 of the safety test dummy further comprises a coil spring seat 4, the coil spring seat 4 comprises a connecting portion 41 and a mounting shaft portion 42 connected with each other, the connecting portion 41 is fixed relative to one of the upper and lower cervical box assemblies 11 and 22, the coil spring 3 is sleeved outside the mounting shaft portion 42, the inner end 31 of the coil spring 3 is fixed relative to the mounting shaft portion 42 and the outer end 32 is fixed relative to the other of the upper and lower cervical box assemblies 11 and 22. That is, the coil spring 3 can be connected with the upper and lower cervical box assemblies 11 and 22 respectively through the coil spring seat 4, i.e. the connecting portion 41 can be fixed relative to the upper cervical box assembly 11, the coil spring 3 is sleeved outside the mounting shaft portion 42 and the outer end 32 of the coil spring 3 is fixed relative to the lower cervical box assembly 22, or the connecting portion 41 can be fixed relative to the lower cervical box assembly 22, the coil spring 3 is sleeved outside the mounting shaft portion 42 and the outer end 32 of the coil spring 3 is fixed relative to the upper cervical box assembly 11, both of which can realize the connection of the coil spring 3 with the upper and lower cervical box assemblies 11 and 22.

[0050] Specifically, as shown in Figure 3 and Figure 4 , the connecting portion 41 can be fixed relative to the lower cervical box assembly 22, the coil spring 3 is sleeved outside the mounting shaft portion 42, and the inner end 31 of the coil spring 3 is fixed relative to the mounting shaft portion 42, such as by welding the inner end 31 of the coil spring 3 with the mounting shaft portion 42, and the outer end 32 of the coil spring 3 is fixed relative to the upper cervical box assembly 11, such as by welding the outer end 32 of the coil spring 3 with the upper cervical box assembly 11, when the upper cervical box assembly 11 tilts forward, the outer end 32 of the coil spring 3 can move together with the upper cervical box assembly 11, thereby causing the coil spring 3 to be elastically deformed and exerting a backward elastic force on the upper cervical box assembly 11, so that the upper cervical box assembly 11 can be restored to the original position, when the upper cervical box assembly 11 tilts backward, the outer end 32 of the coil spring 3 can move together with the upper cervical box assembly 11, thereby causing the coil spring 3 to be elastically deformed and exerting a forward elastic force on the upper cervical box assembly 11, so that the upper cervical box assembly 11 can be restored to the original position.

[0051] Thus, by setting the connecting portion 41 and the mounting shaft portion 42, the outer end 32 and the inner end 31 of the coil spring 3 are connected with the upper cervical box assembly 11 and the lower cervical box assembly 22 respectively, the coil spring 3 can generate an elastic force opposite to the movement direction of the upper cervical box assembly 11, that is, when the upper cervical box assembly 11 drives the neck 200 to move forward or backward, the coil spring 3 can drive the upper cervical box assembly 11 to move against the elastic force, thereby reducing the movement speed of the upper cervical box assembly 11, and further realizing the simulation of the cervical movement state of the human body in the collision, and driving the upper cervical box assembly 11 to move vertically above the lower cervical box assembly 22 after the movement of the upper cervical box assembly 11, that is, the upper cervical box assembly 11 can be restored to the original position, which is beneficial to simulate the forward dynamic movement of the human body in the collision process, thereby improving the biological simulation degree and test data accuracy of the safety test dummy 1000.

[0052] In some embodiments, the upper cervical box assembly 11 includes the upper cervical box 11 and the upper support 12, the upper cervical box 11 is used to be connected with the neck 200, and the upper support 12 is connected below the upper cervical box 11 and is relatively fixed with the coil spring 3.

[0053] Specifically, as shown in Figure 3 and Figure 4 the upper support 12 is arranged below the upper cervical box 11 and is relatively fixed with the coil spring 3, and when the upper cervical box 11 inclines forward, the upper support 12 and the coil spring 3 can be driven to rotate, and further the coil spring 3 can generate an elastic force to make the upper support 12 and the upper cervical box 11 incline backward, and when the upper cervical box 11 inclines backward, the upper support 12 and the coil spring 3 can be driven to rotate, and further the coil spring 3 can generate an elastic force to make the upper support 12 and the upper cervical box 11 incline forward.

[0054] Thus, the coil spring 3 can drive the upper cervical box assembly 11 to rotate, which is beneficial to simulate the forward dynamic movement of the cervical vertebrae of the human body in the collision process, thereby improving the biological simulation degree and test data accuracy of the safety test dummy 1000.

[0055] In some embodiments, the upper support 12 is formed with a containing cavity, axial two ends of the containing cavity are formed with penetrating holes 121, the mounting shaft portion 42 penetrates through the penetrating holes 121 to penetrate through the upper support 12, and the coil spring 3 is located in the containing cavity and the outer end 32 is connected with the inside of the containing cavity. That is, the mounting shaft portion 42 can penetrate through the containing cavity to realize the connection between the coil spring seat 4 and the upper support 12, so that the upper support 12 can rotate relative to the coil spring seat 4, and the coil spring 3 can be relatively fixed with the upper support 12 in the containing cavity to make the upper support 12 drive the coil spring 3 to generate elastic deformation.

[0056] Specifically, as shown in Figure 3As shown, the axial two ends of the accommodating cavity are formed with through holes 121, and the mounting shaft part 42 is inserted into the through holes 121, at this time, the upper support 12 can rotate relative to the coil spring seat 4 around the mounting shaft part 42, the coil spring 3 is sleeved outside the mounting shaft part 42, and the inner end 31 of the coil spring 3 is fixed relative to the mounting shaft part 42, for example, the inner end 31 of the coil spring 3 can be welded to the mounting shaft part 42, at this time, the coil spring 3 is arranged in the accommodating cavity, the outer end 32 of the coil spring 3 can be connected to the inside of the accommodating cavity, for example, the outer end 32 of the coil spring 3 can be welded to the inside of the accommodating cavity, at this time, the inner end 31 of the coil spring 3 is fixed relative to the mounting shaft part 42, and the outer end 32 of the coil spring 3 is fixed relative to the upper support 12.

[0057] Therefore, through the plug-in cooperation of the accommodating cavity of the upper support 12 and the mounting shaft part 42, the upper cervical box assembly 11 can rotate relative to the coil spring seat 4, and the coil spring 3 can be fixed relative to the upper support 12 and the mounting shaft part 42 respectively, so that the coil spring 3 can generate an elastic force opposite to the movement direction of the upper cervical box assembly 11, that is, when the upper cervical box assembly 11 drives the neck 200 to move forward or backward, the coil spring 3 can drive the upper cervical box assembly 11 to move against the elastic force, thereby reducing the movement speed of the upper cervical box assembly 11, and further realizing the simulation of the cervical movement state of the human body in the collision, and driving the upper cervical box assembly 11 to move vertically above the lower cervical box assembly 22 after the movement of the upper cervical box assembly 11 ends, that is, the upper cervical box assembly 11 can be restored to the original position, which is beneficial to simulate the forward dynamic movement of the cervical spine of the human body in the collision process, thereby improving the biological simulation degree and test data accuracy of the safety test dummy 1000.

[0058] In addition, the coil spring 3 can be arranged in the accommodating cavity, that is, the accommodating cavity can install and protect the coil spring 3, thereby avoiding the influence of external foreign matters on the elastic deformation of the coil spring 3.

[0059] In some embodiments, the upper cervical box assembly 11 further comprises a neck lower bracket 13 connected above the upper cervical box 11, and the upper cervical box 11 is connected with the neck 200 through the neck lower bracket 13. That is, the upper cervical box 11 can be connected with the neck 200 through the neck lower bracket 13, thereby realizing the coordinated linkage of the neck 200 and the upper cervical box assembly 11.

[0060] Specifically, as shown in FIG. 6, the neck lower bracket 13 is connected to the upper cervical box 11, and the neck 200 is connected to the neck lower bracket 13, thereby realizing the coordinated linkage of the neck 200 and the upper cervical box assembly 11. Figure 3 and Figure 4As shown, the neck lower bracket 13 is arranged above the upper cervical box 11, and the neck 200 is connected with the neck lower bracket 13, so as to realize the connection between the neck 200 and the upper cervical box assembly 11. When a collision occurs, the head 400 inclines forward under the action of inertia, and the neck 200 is elastically deformed under the driving of the head 400, so as to make the head 400 incline forward relative to the upper cervical box assembly 11, and the head 400 can apply a force to the upper cervical box assembly 11 through the neck 200, so as to drive the upper cervical box assembly 11 to move forward relative to the lower cervical box assembly 22. At this time, the neck 200 and the impact force from the lower cervical box assembly 22 both make the upper cervical box assembly 11 move forward relative to the lower cervical box assembly 22.

[0061] In addition, when the impact force is transmitted to the upper cervical box assembly 11 through the seat, the upper cervical box assembly 11 rotates relative to the lower cervical box assembly 22, and the upper cervical box assembly 11 can drive the head 400 to move forward and backward through the neck lower bracket 13. For example, when the upper cervical box assembly 11 inclines forward relative to the lower cervical box assembly 22, the head 400 can be driven to move forward through the neck 200, and when the upper cervical box assembly 11 inclines backward relative to the lower cervical box assembly 22, the head 400 can be driven to move backward through the neck 200.

[0062] Therefore, by connecting the neck 200 and the upper cervical box assembly 11 through the neck lower bracket 13, the head 400, the neck 200 and the upper cervical box assembly 11 can be linked, so as to realize that the upper cervical box assembly 11 can drive the head 400 to move forward and backward, and the head 400 can also drive the upper cervical box assembly 11 to move forward and backward under the action of inertia. This is beneficial to simulate the forward inclination dynamic movement of the spine of a human body in a collision process, so as to improve the biological simulation degree and the test data accuracy of the safety test dummy 1000.

[0063] In some embodiments, the lower cervical box assembly 22 includes a lower cervical box 21 and a lower support 22. The lower cervical box 21 is used to be connected with the hip 300, and the lower support 22 is connected above the lower cervical box 21 and is fixed relative to the connecting part 41. Specifically, as shown, Figures 1-4 The lower support 22 is arranged below the lower cervical box 21 and is fixed relative to the connecting part 41. When the upper cervical box assembly 11 inclines forward, the coil spring 3 is deformed to generate an elastic force to make the upper cervical box assembly 11 incline backward. When the upper cervical box assembly 11 inclines backward, the coil spring 3 is deformed to generate an elastic force to make the upper cervical box assembly 11 incline forward.

[0064] Thus, the upper and lower cervical box assemblies 11 and 21 are connected with the coil spring 3 through the upper and lower support members 12 and 22, so that the coil spring 3 can generate an elastic force opposite to the movement direction of the upper cervical box assembly 11, thereby reducing the movement speed of the upper cervical box assembly 11, and further simulating the cervical movement state of a human body in a collision, and the upper cervical box assembly 11 can be restored to the original position, thereby simulating the movement state of the human body in the collision.

[0065] In some embodiments, the lower support member 22 comprises a first support plate 221 and a second support plate 222 connected with each other, the first support plate 221 intersects with the second support plate 222, the first support plate 221 is detachably connected with the connecting portion 41 through a first connecting member 223, and the second support plate 222 is detachably connected with the lower cervical box 21 through a second connecting member 224. That is, the lower support member 22 can be connected with the connecting portion 41 and the lower cervical box 21 through the first support plate 221 and the second support plate 222, respectively.

[0066] Specifically, as shown in Figure 3 the first support plate 221 intersects with the second support plate 222, the second support plate 222 and the lower cervical box 21 can be respectively provided with a corresponding second connecting hole 24, and the second connecting member 224 can pass through the second connecting hole 24 on the second support plate 222 and the lower cervical box 21, respectively, so that the second support plate 222 is relatively fixed with the lower cervical box 21, and the first support plate 221 and the connecting portion 41 can be respectively provided with a corresponding first connecting hole 23, and the first connecting member 223 can pass through the first connecting hole 23 on the first support plate 221 and the connecting portion 41, respectively, so that the first support plate 221 is relatively fixed with the connecting portion 41.

[0067] Thus, through the first connecting member 223 and the second connecting member 224, the first support plate 221 and the connecting portion 41 can be relatively fixed, and the second support plate 222 and the lower cervical box 21 can be relatively fixed, that is, the coil spring seat 4 and the lower cervical box 21 can be connected through the lower support member 22, which is conducive to the relative fixation of the coil spring 3 and the lower cervical box 21.

[0068] In some embodiments, the first connecting member 223 and the second connecting member 224 can be configured as bolts, that is, the first support plate 221 and the connecting portion 41 can be bolted, and the second support plate 222 and the lower cervical box 21 can be bolted.

[0069] In addition, the distribution direction of the first support plate 221 and the connecting plate can also be other directions at a smaller angle with the horizontal direction, which can achieve the installation and fixation of the first support plate 221 and the connecting plate, and the installation shaft portion 42 and the connecting plate can be perpendicular to each other, or can be at a smaller angle with each other, so that the coil spring 3 can be connected between the upper cervical box assembly 1 and the lower cervical box assembly 2.

[0070] In some embodiments, the connecting portion 41 is configured as a connecting plate, and the first support plate 221 is arranged opposite to the connecting plate in the horizontal direction and connected to the side of the connecting plate away from the mounting shaft portion 42.

[0071] Specifically, as shown in Figure 3 the first support plate 221 is arranged opposite to the connecting plate in the horizontal direction and located at the side of the connecting plate away from the mounting shaft portion 42, that is, the first support plate 221 can be pressed against the side of the connecting plate away from the mounting shaft portion 42, so that the first connecting piece 223 can pass through the first support plate 221 and the connecting plate respectively, thereby achieving the mounting and fixing of the first support plate 221 and the connecting plate, and the coil spring 3 can be sleeved outside the mounting shaft portion 42 to be fixed opposite to the coil spring seat 4.

[0072] Therefore, the relative fixing of the coil spring 3 and the lower spinal box assembly 21 can be achieved through the fixed connection of the first support plate 221 and the connecting plate, which is beneficial to the connection of the coil spring 3 between the upper spinal box assembly 11 and the lower spinal box assembly 22.

[0073] The utility model also proposes a kind of safety test dummy 1000.

[0074] According to the safety test dummy 1000 of the utility model embodiment, the spinal box assembly 100 of the safety test dummy of any one of the above embodiments is included. Wherein, the elastic member can make the upper spinal box assembly 11 drive the neck 200 to move against the elastic force when moving, reduce the movement speed, and further simulate the spinal movement state of human body in collision, and the upper spinal box assembly 11 can be driven to restore to original position, to realize the simulation of human spinal movement state.

[0075] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "illustrative embodiment", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0076] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. A spine box assembly for a safety testing dummy, characterized in that, The spine box assembly is connected between the neck (200) and buttocks (300) of the safety test dummy, and the spine box assembly includes: Upper spinal box assembly (1) and lower spinal box assembly (2), the upper spinal box assembly (1) being connected to the neck (200) and the lower spinal box assembly (2) being connected to the buttocks (300), the upper spinal box assembly (1) being movably connected to the lower spinal box assembly (2) to move back and forth relative to the lower spinal box assembly (2). An elastic element is connected between the upper spinal box assembly (1) and the lower spinal box assembly (2). The elastic element is used to apply an elastic force to the upper spinal box assembly (1) to hold it vertically above the lower spinal box assembly (2). The upper spinal box assembly (1) overcomes the elastic force of the elastic element and moves relative to the spinal box assembly when subjected to inertia.

2. The spine box assembly for the safety test dummy according to claim 1, characterized in that, The lower part of the upper spinal box assembly (1) is rotatably connected to the upper part of the lower spinal box assembly (2), and the elastic element is constructed as a coil spring (3). One end of the coil spring (3) is fixed relative to the upper spinal box assembly (1), and the other end of the coil spring (3) is fixed relative to the lower spinal box assembly (2).

3. The spine box assembly for the safety test dummy according to claim 2, characterized in that, It also includes a coil spring seat (4), which includes a connecting part (41) and a mounting shaft part (42) connected together. The connecting part (41) is fixed relative to one of the upper spine box assembly (1) and the lower spine box assembly (2). The coil spring (3) is sleeved on the mounting shaft part (42). The inner end (31) of the coil spring (3) is fixed relative to the mounting shaft part (42) and the outer end (32) is fixed relative to the other of the upper spine box assembly (1) and the lower spine box assembly (2).

4. The spine box assembly for the safety test dummy according to claim 3, characterized in that, The upper spine box assembly (1) includes an upper spine box (11) and an upper support member (12). The upper spine box (11) is used to connect to the neck (200). The upper support member (12) is connected below the upper spine box (11) and is fixed relative to the coil spring (3).

5. The spine box assembly for the safety test dummy according to claim 4, characterized in that, The upper support member (12) has a receiving cavity, and through holes (121) are formed at both ends of the axial direction of the receiving cavity. The mounting shaft (42) passes through the through holes (121) to penetrate the upper support member (12). The coil spring (3) is located in the receiving cavity and its outer end (32) is connected to the interior of the receiving cavity.

6. The spine box assembly for the safety test dummy according to claim 4, characterized in that, The upper spine box assembly (1) also includes a lower neck support (13), which is connected above the upper spine box (11), and the upper spine box (11) is connected to the neck (200) through the lower neck support (13).

7. The spine box assembly for the safety test dummy according to claim 3, characterized in that, The lower spine box assembly (2) includes a lower spine box (21) and a lower support member (22). The lower spine box (21) is used to connect to the buttock (300). The lower support member (22) is connected above the lower spine box (21) and is fixed relative to the connecting part (41).

8. The spine box assembly for the safety test dummy according to claim 7, characterized in that, The lower support member (22) includes a first support plate (221) and a second support plate (222) connected together. The first support plate (221) intersects with the second support plate (222). The first support plate (221) is detachably connected to the connecting part (41) through a first connector (223). The second support plate (222) is detachably connected to the lower spine box (21) through a second connector (224).

9. The spine box assembly for the safety test dummy according to claim 8, characterized in that, The connecting part (41) is constructed as a connecting plate, the first support plate (221) and the connecting plate are distributed opposite each other in the horizontal direction, and the first support plate (221) is connected to the side of the connecting plate away from the mounting shaft part (42).

10. A safety testing dummy, characterized in that, The spine box assembly of the safety test dummy as described in any one of claims 1-9.

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