Support assembly, table board assembly, vehicle body front structure and vehicle

Abstract

The invention provides a support assembly, a table board assembly, a vehicle body front structure and a vehicle. A connecting shaft is arranged at the first end of a first support; the first end of the second bracket is rotatably mounted on the connecting shaft; the ratchet wheel is installed on the connecting shaft and comprises a ratchet wheel body and a locking groove formed in the ratchet wheel body. The transition wheel is rotatably installed on the connecting shaft, a limiting protrusion is arranged on the transition wheel, and the outer diameter of the limiting protrusion is larger than that of the ratchet wheel body; the first end of the pawl is rotatably installed on the second support, and the second end of the pawl is connected with any one of the locking groove, the limiting protrusion and the ratchet wheel body so as to adjust the working state of the support assembly. According to the invention, by rotating the second bracket, the first end of the second bracket rotates around the connecting shaft, so that the pawl can be driven to rotate, and the second end of the pawl is connected with any one of the locking groove, the limiting bulge and the ratchet wheel body, so that the working state of the bracket assembly is adjusted, and the bracket assembly is convenient to unfold and fold.

Description

Technical Field

[0001] The present invention belongs to the technical field of bracket assemblies, and particularly relates to a bracket assembly, a table board assembly, a front body structure of a vehicle, and a vehicle. Background Art

[0002] At present, many devices are equipped with bracket assemblies, and a table board or other devices are installed through the bracket assemblies. When the existing bracket assemblies (such as four-link brackets) are in use, their adjustment positions are easily limited and cannot be adjusted to a comfortable opening height. For example, with the current development of vehicles centered around users for use scenarios, more and more functions with table board bodies are developed in the passenger compartment. Usually, the table board body in the second row is arranged on the backrest of the front row seat, and the backrest can provide an appropriate height for arranging a traditional four-link bracket. The bracket assembly can be adjusted to a comfortable opening height, and the table board body can reach a comfortable height position after being unfolded. However, when a table board body is equipped on the co-pilot, due to the limited layout space, the existing four-link bracket cannot be adjusted to a comfortable opening height, and the height of the table board body is difficult to reach a comfortable height range, resulting in a poor user experience. Summary of the Invention

[0003] The present invention provides a bracket assembly, a table board assembly, a front body structure of a vehicle, and a vehicle to solve the problem that the existing bracket assembly cannot be adjusted to a comfortable opening height.

[0004] A bracket assembly includes a first bracket, a second bracket, a ratchet wheel, a transition wheel, and a pawl.

[0005] A connecting shaft is provided at the first end of the first bracket.

[0006] The first end of the second bracket is rotatably mounted on the connecting shaft.

[0007] The ratchet wheel is mounted on the connecting shaft, and the ratchet wheel includes a ratchet body and a locking groove provided on the ratchet body.

[0008] The transition wheel is rotatably mounted on the connecting shaft, and a limiting protrusion is provided on the transition wheel. The projection of the limiting protrusion along the axial direction of the connecting shaft is partially located outside the projection of the ratchet body along the axial direction of the connecting shaft.

[0009] The first end of the pawl is rotatably mounted on the second bracket, and the second end of the pawl is in contact with any one of the locking groove, the limiting protrusion, and the ratchet body to adjust the working state of the bracket assembly.

[0010] Preferably, the bracket assembly further includes a spring.

[0011] The first end of the spring is fixed on the second bracket, and the second end of the spring is connected to the second end of the pawl.

[0012] Preferably, a limiting groove is provided on the idler wheel;

[0013] The bracket assembly further includes a limiting pin, and the limiting pin is fixed on the ratchet through the limiting groove.

[0014] Preferably, the second bracket includes a first connecting portion, second connecting portions and third connecting portions that extend outward obliquely in the same direction from both ends of the first connecting portion, a fourth connecting portion that extends outward from the outer side of one end of the second connecting portion in an obtuse angle direction, a fifth connecting portion that extends outward from the outer side of one end of the third connecting portion in an obtuse angle direction, and a connecting disc that extends from the fourth connecting portion;

[0015] The connecting disc is rotatably mounted on the connecting shaft, the fifth connecting portion is used to connect with the object to be used, and the first end of the pawl is rotatably mounted on the second connecting portion.

[0016] A table board assembly includes the bracket assembly, a cross beam and a table board main body as described above;

[0017] The second end of the first bracket of the bracket assembly is fixed on the cross beam;

[0018] The second end of the second bracket of the bracket assembly is rotatably connected to the table board main body.

[0019] Preferably, at least one mounting groove is provided on the table board main body, and each mounting groove is provided with one of the second brackets.

[0020] Preferably, the mounting groove is a strip-shaped groove; the second end of the second bracket is rotatably mounted in the strip-shaped groove.

[0021] A front body structure of a vehicle includes the table board assembly and a sub-frame instrument assembly as described above;

[0022] The cross beam of the table board assembly is fixed on the sub-frame instrument assembly.

[0023] Preferably, the height difference between the table top height of the table board main body in the best unfolded state and the hip point height of the vehicle is 250 - 300 mm.

[0024] A vehicle includes the front body structure as described above.

[0025] In the present invention, the bracket assembly includes a first bracket, a second bracket, a ratchet wheel, a transition wheel, and a pawl. The first bracket serves as a support member. A connecting shaft is provided at the first end of the first bracket for installing the main parts of the bracket assembly, and the second end of the first bracket is used to connect to a reference member. The first end of the second bracket is rotatably installed on the connecting shaft, and the second end of the second bracket is used to connect to an object to be used. The ratchet wheel is installed on the connecting shaft. The ratchet wheel includes a ratchet body and a locking groove provided on the ratchet body. The locking groove is located on the periphery of the ratchet body and provides a locking position for the pawl. The transition wheel is rotatably installed on the connecting shaft, and a limiting protrusion is provided on the transition wheel. The projection of the limiting protrusion in the axial direction of the connecting shaft is partially located outside the projection of the ratchet body in the axial direction of the connecting shaft, facilitating the movement of the second end of the pawl from the locking groove to the limiting protrusion. Specifically, the ratchet body is fixed on the connecting shaft, and the first end of the second bracket and the transition wheel are both sleeved on the connecting shaft and located on both sides of the ratchet body respectively, which can make the structure installation of the bracket assembly more compact and facilitate the adjustment of the bracket assembly. The first end of the pawl is rotatably installed on the second bracket, and the second end of the pawl is in contact with any one of the locking groove, the limiting protrusion, and the ratchet body. During use, by rotating the second bracket, the first end of the second bracket rotates around the connecting shaft, which can drive the pawl to rotate so that the second end of the pawl is in contact with any one of the locking groove, the limiting protrusion, and the ratchet body to adjust the working state of the bracket assembly. The specific adjustment process is as follows: First, rotate the second bracket clockwise. When the second end of the pawl is in contact with the locking groove, the pawl is in a locked state, so that the bracket assembly is in the best deployed state; then continue to rotate the second bracket clockwise, driving the second end of the pawl to move from the locking groove to the limiting protrusion, and the pawl is in a transitional state, so that the bracket assembly is switched from the best deployed state to the adjustment state; then rotate the second bracket counterclockwise, using the friction between the second end of the pawl and the limiting protrusion to drive the transition wheel to rotate around the connecting shaft, so that the limiting protrusion can cover the locking groove and the second end of the pawl will not enter the locking groove and can be directly moved from the limiting protrusion to the ratchet body, and the pawl is in an unlocked state, so that the bracket assembly is switched from the adjustment state to the retracted state; then rotate the second bracket until the bracket assembly is in a fully retracted state. Such a setting facilitates the deployment and retraction of the bracket assembly. In this example, the locking groove is provided on the ratchet body, and the installation position of the locking groove can be adjusted according to the actual situation so that when the bracket assembly is fully deployed, the height of the object to be used reaches a comfortable height range, improving the user experience.

[0026] The existing bracket assembly (four-link bracket) is arranged on the co-pilot's seat. After the bracket assembly is unfolded, the height of the table board body is difficult to reach the comfortable height range and will interfere with the knees of the occupants. To solve the above problems, the bracket assembly in this example can be installed at a feasible position on the co-pilot's seat. During use, by rotating the second bracket, the first end of the second bracket rotates around the connecting shaft, which can drive the pawl to rotate so that the second end of the pawl contacts any one of the locking groove, the limiting protrusion, and the ratchet body to adjust the working state of the bracket assembly, facilitating the unfolding and retracting of the bracket assembly. Among them, the locking groove is arranged on the ratchet body, and the installation position of the locking groove can be adjusted according to the actual situation so that when the bracket assembly is fully unfolded, the height of the table board body reaches the comfortable height range, avoiding interference with the knees of the occupants, creating a comfortable use scenario for the co-pilot passengers, enhancing the user's differentiated experience, and improving the product competitiveness. Description of the Drawings

[0027] Figure 1 is the front view of the bracket assembly in the present invention;

[0028] Figure 2 is the cross-sectional view of the bracket assembly in the present invention;

[0029] Figure 3 is the axonometric view of the table board assembly in the present invention;

[0030] Figure 4 is the axonometric view of the front body structure in the present invention;

[0031] Figure 5 is the first state diagram of the table board assembly in the present invention;

[0032] Figure 6 is the second state diagram of the table board assembly in the present invention;

[0033] Figure 7 is the third state diagram of the table board assembly in the present invention;

[0034] Figure 8 is the fourth state diagram of the table board assembly in the present invention.

[0035] Among them, 1. First bracket; 2. Second bracket; 21. First connecting part; 22. Second connecting part; 23. Third connecting part; 24. Fourth connecting part; 25. Fifth connecting part; 26. Connecting disk; 3. Ratchet; 31. Ratchet body; 32. Locking groove; 4. Idler wheel; 41. Limiting protrusion; 42. Limiting groove; 5. Pawl; 6. Connecting shaft; 7. Spring; 8. Limit pin; 9. Cross beam; 10. Table board body; 11. Installation groove; 12. Co-pilot instrument assembly. Detailed Description of the Invention

[0036] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention more clearly understood, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0037] In the description of the present invention, it should be understood that the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "front", "rear2", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the present invention 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. Therefore, it should not be construed as a limitation to the present invention. In the description of the present invention, unless otherwise specified, the meaning of "a plurality" is two or more.

[0038] 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 directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0039] An embodiment of the present invention provides a bracket assembly. Refer to Figure 1-4 , the bracket assembly includes a first bracket 1, a second bracket 2, a ratchet wheel 3, a transition wheel 4 and a pawl 5; a connecting shaft 6 is provided at the first end of the first bracket 1; the first end of the second bracket 2 is rotatably installed on the connecting shaft 6; the ratchet wheel 3 is installed on the connecting shaft 6, and the ratchet wheel 3 includes a ratchet body 31 and a locking groove 32 provided on the ratchet body 31; the transition wheel 4 is rotatably installed on the connecting shaft 6, and a limiting protrusion 41 is provided on the transition wheel 4. The projection of the limiting protrusion 41 along the axial direction of the connecting shaft 6 is partially located outside the projection of the ratchet body 31 along the axial direction of the connecting shaft 6; the first end of the pawl 5 is rotatably installed on the second bracket 2, and the second end of the pawl 5 is in contact with any one of the locking groove 32, the limiting protrusion 41 and the ratchet body 31 to adjust the working state of the bracket assembly.

[0040] As an example, the bracket assembly includes a first bracket 1, a second bracket 2, a ratchet 3, a transition wheel 4, and a pawl 5. The first bracket 1 serves as a support member. A connecting shaft 6 is provided at the first end of the first bracket 1 for installing the main parts of the bracket assembly, and the second end of the first bracket 1 is used to connect to a reference member. The first end of the second bracket 2 is rotatably installed on the connecting shaft 6, and the second end of the second bracket 2 is used to connect to a standby object. The ratchet 3 is installed on the connecting shaft 6. The ratchet 3 includes a ratchet body 31 and a locking groove 32 provided on the ratchet body 31. The locking groove 32 is a structure formed by being recessed inward from the outer edge of the ratchet body 31, providing a locking position for the pawl 5. The transition wheel 4 is rotatably installed on the connecting shaft 6, and a limiting protrusion 41 is provided on the transition wheel 4. The projection of the limiting protrusion 41 in the axial direction of the connecting shaft 6 is partially located outside the projection of the ratchet body 31 in the axial direction of the connecting shaft 6, facilitating the movement of the second end of the pawl 5 from the locking groove 32 to the limiting protrusion 41. Specifically, the ratchet body 31 is fixed on the connecting shaft 6, and the first end of the second bracket 2 and the transition wheel 4 are both sleeved on the connecting shaft 6, located on both sides of the ratchet body 31 respectively, which can make the structure installation of the bracket assembly more compact and facilitate the adjustment of the bracket assembly. The first end of the pawl 5 is rotatably installed on the second bracket 2, and the second end of the pawl 5 is in contact with any one of the locking groove 32, the limiting protrusion 41, and the ratchet body 31. During use, by rotating the second bracket 2, the first end of the second bracket 2 rotates around the connecting shaft 6, which can drive the pawl 5 to rotate, so that the second end of the pawl 5 is in contact with any one of the locking groove 32, the limiting protrusion 41, and the ratchet body 31 to adjust the working state of the bracket assembly. The specific adjustment process is as follows: First, rotate the second bracket 2 clockwise. When the second end of the pawl 5 is in contact with the locking groove 32, the pawl 5 is in a locked state, so that the bracket assembly is in the best deployed state; then continue to rotate the second bracket 2 clockwise, driving the second end of the pawl 5 to move from the locking groove 32 to the limiting protrusion 41, and the pawl 5 is in a transitional state, so that the bracket assembly is switched from the best deployed state to the adjustment state; then rotate the second bracket 2 counterclockwise, using the friction between the second end of the pawl 5 and the limiting protrusion 41 to drive the transition wheel 4 to rotate around the connecting shaft 6, so that the limiting protrusion 41 can cover the locking groove 32, and the second end of the pawl 5 will not enter the locking groove 32 and can be directly moved from the limiting protrusion 41 to the ratchet body 31, and the pawl 5 is in an unlocked state, so that the bracket assembly is switched from the adjustment state to the retracted state; then rotate the second bracket 2 until the bracket assembly is in a fully retracted state. Such a setting facilitates the deployment and retraction of the bracket assembly. In this example, the locking groove 32 is provided on the ratchet body 31, and the installation position of the locking groove 32 can be adjusted according to the actual situation, so that when the bracket assembly is fully deployed, the height of the standby object reaches a comfortable height range, improving the user experience.

[0041] The existing bracket assembly (four-link bracket) is arranged on the co-pilot's seat. After the bracket assembly is unfolded, the height of the table board main body 10 is difficult to reach the comfortable height range and will interfere with the knees of the occupants. To solve the above problems, the bracket assembly in this example can be installed at a feasible position on the co-pilot's seat. When in use, by rotating the second bracket 2, the first end of the second bracket 2 rotates around the connecting shaft 6, which can drive the pawl 5 to rotate, so that the second end of the pawl 5 is in contact with any one of the locking groove 32, the limiting protrusion 41, and the ratchet body 31 to adjust the working state of the bracket assembly, facilitating the unfolding and retracting of the bracket assembly. Among them, the locking groove 32 is arranged on the ratchet body 31, and the installation position of the locking groove 32 can be adjusted according to the actual situation, so that when the bracket assembly is fully unfolded, the height of the table board main body 10 reaches the comfortable height range, avoiding interference with the knees of the occupants, creating a comfortable use scenario for the co-pilot, enhancing the user's differentiated experience, and improving the product competitiveness.

[0042] In one embodiment, referring to Figure 1 and Figure 2 , the bracket assembly further includes a spring 7; the first end of the spring 7 is fixed on the second bracket 2, and the second end of the spring 7 is connected to the second end of the pawl 5.

[0043] As an example, the bracket assembly further includes a spring 7. The first end of the spring 7 is fixed on the second bracket 2, and the second end of the spring 7 is connected to the second end of the pawl 5. The elasticity of the spring 7 is used to keep the second end of the pawl 5 always tending towards the ratchet 3, so that the pawl 5 can be in contact with any one of the locking groove 32, the limiting protrusion 41, and the ratchet body 31 to adjust the working state of the bracket assembly. When the second end of the pawl 5 moves from the locking groove 32 to the limiting protrusion 41, the second end of the pawl 5 will rotate clockwise around the first end of the pawl 5, and the spring 7 is compressed, generating an elastic force to make the second end of the pawl 5 rotate counterclockwise around the first end of the pawl 5.

[0044] In one embodiment, referring to Figure 1 and Figure 3 , the idler wheel 4 is provided with a limiting groove 42; the bracket assembly further includes a limiting pin 8, and the limiting pin 8 passes through the limiting groove 42 and is fixed on the ratchet 3.

[0045] As an example, a limiting groove 42 is provided on the transition wheel 4, and the limiting groove 42 is an arc-shaped groove. The bracket assembly further includes a limiting pin 8. The limiting pin 8 passes through the limiting groove 42 and is fixed on the ratchet wheel 3, which can limit the rotation range of the transition wheel 4 around the connecting shaft 6, thereby limiting the rotation range of the limiting protrusion 41 under the action of the second end of the pawl 5, so as to achieve shielding or non-shielding of the locking groove 32. When the second bracket 2 is rotated clockwise, the second end of the pawl 5 moves out of the locking groove 32, and the side of the limiting groove 42 close to the locking groove 32 is in contact with the limiting pin 8, so that the transition wheel 4 and the limiting protrusion 41 remain stationary. Under the action of power, the first end of the pawl 5 will rotate, causing the second end of the pawl 5 to compress the spring 7 and open at a certain angle, and then transition to the limiting protrusion 41. Then, the second bracket 2 is rotated counterclockwise, so that the second end of the pawl 5 drives the limiting protrusion 41 and the transition wheel 4 to rotate counterclockwise around the connecting shaft 6. When the side of the limiting groove 42 of the transition wheel 4 away from the locking groove 32 is in contact with the limiting pin 8, the limiting protrusion 41 shields the locking groove 32, and the second end of the pawl 5 moves from the limiting protrusion 41 to the ratchet body 31, which is convenient for recycling the bracket assembly.

[0046] In one embodiment, referring to Figure 4 , the second bracket 2 includes a first connecting portion 21, second connecting portions 22 and third connecting portions 23 that extend outwardly and obliquely from both ends of the first connecting portion 21 in the same direction, a fourth connecting portion 24 that extends outwardly from the outer side of one end of the second connecting portion 22 in an obtuse angle direction, a fifth connecting portion 25 that extends outwardly from the outer side of one end of the third connecting portion 23 in an obtuse angle direction, and a connecting disk 26 that extends from the fourth connecting portion 24. The connecting disk 26 is rotatably mounted on the connecting shaft 6. The fifth connecting portion 25 is used to connect with the object to be used, and the first end of the pawl 5 is rotatably mounted on the second connecting portion 22.

[0047] As an example, the second bracket 2 includes a first connecting portion 21, a second connecting portion 22, a third connecting portion 23, a fourth connecting portion 24, a fifth connecting portion 25, and a connecting disk 26. The second connecting portion 22 and the third connecting portion 23 respectively extend obliquely outward from both ends of the first connecting portion 21 in the same direction. The fourth connecting portion 24 extends from the outer side of one end of the second connecting portion 22 in an obtuse angle direction. The fifth connecting portion 25 extends from the outer side of one end of the third connecting portion 23 in an obtuse angle direction. The connecting disk 26 extends from the fourth connecting portion 24. The fifth connecting portion 25 is used to connect with the object to be used. The first end of the pawl 5 is rotatably mounted on the second connecting portion 22. The length of the third connecting portion 23 is greater than the length of the second connecting portion 22. The connecting disk 26 is rotatably mounted on the connecting shaft 6. The fifth connecting portion 25 is used to connect with the object to be used. The first connecting portion 21, the second connecting portion 22, and the third connecting portion 23 form an avoidance space, which can provide an avoidance position for recycling the object to be used. By rotating the second bracket 2 to make the connecting disk 26 rotate around the connecting shaft 6, the pawl 5 can be driven to rotate so that the second end of the pawl 5 contacts any one of the locking groove 32, the limiting protrusion 41, and the ratchet body 31 to adjust the working state of the bracket assembly.

[0048] An embodiment of the present invention provides a tabletop assembly, referring to Figure 1-4 , including a bracket assembly, a cross beam 9, and a tabletop main body 10. The second end of the first bracket 1 of the bracket assembly is fixed on the cross beam 9. The second end of the second bracket 2 of the bracket assembly is rotatably connected to the tabletop main body 10.

[0049] As an example, the tabletop assembly includes a bracket assembly, a crossbeam 9, and a tabletop body 10; the first bracket 1 is used as a support member, and a connecting shaft 6 is provided at the first end of the first bracket 1 for installing the main parts of the bracket assembly, and the second end of the first bracket 1 is fixed on the crossbeam 9. The first end of the second bracket 2 is rotatably installed on the connecting shaft 6, and the second end of the second bracket 2 of the bracket assembly is rotatably connected to the tabletop body 10. A ratchet 3 is installed on the connecting shaft 6, and the ratchet 3 includes a ratchet body 31 and a locking groove 32 provided on the ratchet body 31. The locking groove 32 is located on the periphery of the ratchet body 31 to provide a locking position for the pawl 5. A transition wheel 4 is rotatably installed on the connecting shaft 6, and a limit protrusion 41 is provided on the transition wheel 4. The projection of the limit protrusion 41 in the axial direction of the connecting shaft 6 is partially located outside the projection of the ratchet body 31 in the axial direction of the connecting shaft 6, which is convenient for moving the second end of the pawl 5 from the locking groove 32 to the limit protrusion 41. Specifically, the ratchet body 31 is fixed on the connecting shaft 6, and the first end of the second bracket 2 and the transition wheel 4 are both sleeved on the connecting shaft 6 and located on both sides of the ratchet body 31 respectively, so that the structure installation of the bracket assembly can be more compact, which provides convenience for adjusting the bracket assembly. The first end of the pawl 5 is rotatably installed on the second bracket 2, and the second end of the pawl 5 is in contact with any one of the locking groove 32, the limit protrusion 41, and the ratchet body 31. When the bracket assembly in this example is used, it is convenient to expand and recycle the bracket assembly. By rotating the second bracket 2, the first end of the second bracket 2 rotates around the connecting shaft 6, which can drive the pawl 5 to rotate, so that the second end of the pawl 5 is in contact with any one of the locking groove 32, the limit protrusion 41, and the ratchet body 31 to adjust the working state of the bracket assembly. The specific adjustment process is as follows: first, rotate the second bracket 2 clockwise. When the second end of the pawl 5 is in contact with the locking groove 32, the pawl 5 is in a locked state, so that the bracket assembly is in the best expanded state; then continue to rotate the second bracket 2 clockwise, driving the second end of the pawl 5 to move from the locking groove 32 to the limit protrusion 41, and the pawl 5 is in a transition state, so that the bracket assembly is switched from the best expanded state to the adjustment state; then rotate the second bracket 2 counterclockwise, using the friction between the second end of the pawl 5 and the limit protrusion 41 to drive the transition wheel 4 to rotate around the connecting shaft 6, so that the limit protrusion 41 can cover the locking groove 32, and the second end of the pawl 5 will not enter the locking groove 32 and can be directly moved from the limit protrusion 41 to the ratchet body 31, and the pawl 5 is in an unlocked state, so that the bracket assembly is switched from the adjustment state to the recycling state; then rotate the second bracket 2 until the bracket assembly is in a fully recycled state. Among them, the locking groove 32 is provided on the ratchet body 31, and the installation position of the locking groove 32 can be adjusted according to the actual situation, so that when the bracket assembly is fully expanded, the height of the tabletop body 10 reaches a comfortable height range, avoiding interference with the knees of the occupants, creating a comfortable use scenario for the co-driver, enhancing the user's differentiated experience, and enhancing the product competitiveness.

[0050] In one embodiment, referring to Figure 3 and Figure 4 , at least one mounting groove 11 is provided on the tabletop main body 10, and a second bracket 2 is installed in each mounting groove 11.

[0051] As an example, at least one mounting groove 11 is provided on the tabletop main body 10, and a second bracket 2 is installed in each mounting groove 11. Such a setting enables the tabletop main body 10 to rotate around the second end of the second bracket 2, facilitating the adjustment of the unfolding degree or the recycling degree of the tabletop main body 10 to meet the usage requirements of people. When there is one mounting groove 11, the second end of one second bracket 2 is installed in the mounting groove 11 to support the unfolding of the tabletop main body 10. When there are two or more mounting grooves 11, the two or more mounting grooves 11 are arranged at intervals on the tabletop main body 10, and a second bracket 2 is installed in each mounting groove 11. The two or more second brackets 2 act together to support the unfolding of the tabletop main body 10, providing better stability.

[0052] In one embodiment, referring to Figure 3 and Figure 4 , the mounting groove 11 is a strip-shaped groove; the second end of the second bracket 2 is rotatably installed in the strip-shaped groove.

[0053] As an example, the mounting groove 11 is a strip-shaped groove, and the second end of the second bracket 2 is rotatably installed in the strip-shaped groove. Specifically, the fifth connecting portion 25 of the second bracket 2 is placed in the strip-shaped groove, and one end of the fifth connecting portion 25 is installed in the strip-shaped groove through a rotating shaft. One end of the tabletop main body 10 rotates with the rotating shaft as the base axis. In the length direction of the strip-shaped groove, the fifth connecting portion 25 has two contacts with the strip-shaped groove, that is, the unfolding and recycling positions of the tabletop main body 10 are limited, facilitating the adjustment of the unfolding degree or the recycling degree of the tabletop main body 10 to meet the usage requirements of people.

[0054] An embodiment of the present invention provides a front body structure, referring to Figure 1-4 , including a tabletop assembly and a sub-frame instrument assembly 12; the cross beam 9 of the tabletop assembly is fixed on the sub-frame instrument assembly 12.

[0055] As an example, the front body structure includes a table assembly and a co-pilot instrument assembly 12; the cross beam 9 of the table assembly is fixed on the co-pilot instrument assembly 12; by rotating the second bracket 2, the first end of the second bracket 2 rotates around the connecting shaft 6, which can drive the pawl 5 to rotate, so that the second end of the pawl 5 contacts any one of the locking groove 32, the limiting protrusion 41 and the ratchet body 31 to adjust the working state of the bracket assembly. The specific adjustment process is as follows: First, rotate the second bracket 2 clockwise. When the second end of the pawl 5 contacts the locking groove 32, the pawl 5 is in the locking state, so that the bracket assembly is in the best deployed state; then continue to rotate the second bracket 2 clockwise, driving the second end of the pawl 5 to move from the locking groove 32 to the limiting protrusion 41, and the pawl 5 is in the transition state, so that the bracket assembly switches from the best deployed state to the adjustment state; then rotate the second bracket 2 counterclockwise, using the friction between the second end of the pawl 5 and the limiting protrusion 41 to drive the idler wheel 4 to rotate around the connecting shaft 6, so that the limiting protrusion 41 can cover the locking groove 32, and the second end of the pawl 5 will not enter the locking groove 32 and can be directly moved from the limiting protrusion 41 to the ratchet body 31, and the pawl 5 is in the unlocking state, so that the bracket assembly switches from the adjustment state to the retracted state; then rotate the second bracket 2 until the bracket assembly is in the fully retracted state. Among them, the locking groove 32 is arranged on the ratchet body 31, and the installation position of the locking groove 32 can be adjusted according to the actual situation, so that when the bracket assembly is fully deployed, the height of the table body 10 reaches a comfortable height range, avoiding interference with the knees of the occupants, creating a comfortable use scenario for the co-pilot passengers, enhancing the user's differentiated experience, and enhancing the product competitiveness.

[0056] Refer to Figure 5-8 , which is a schematic diagram of the movement process of the table body 10 from the best deployed state to the retracted state:

[0057] The table board body 10 is in the best unfolded state. When the second end of the pawl 5 is connected with the locking groove 32, the pawl 5 is in the locked state, so that the bracket assembly is in the best unfolded state and the table board body 10 is locked; lift the table board body 10, rotate the second bracket 2 clockwise, drive the second end of the pawl 5 to move from the locking groove 32 to the limiting protrusion 41, and the pawl 5 is in the transition state, so that the bracket assembly switches from the best unfolded state to the adjustment state; press down the table board body 10, rotate the second bracket 2 counterclockwise, and use the second end of the pawl 5 and the limiting protrusion 41 to lock the bracket assembly. The friction force drives the transition wheel 4 to rotate around the connecting shaft 6, so that the limiting protrusion 41 can cover the locking groove 32, and the second end of the pawl 5 will not enter the locking groove 32, and can be directly moved from the limiting protrusion 41 to the ratchet body 31. The pawl 5 is in an unlocked state, so that the bracket assembly switches from the adjustment state to the recovery state; then press down the table board body 10, the transition wheel 4 is restricted by the limiting pin 8 and no longer rotates counterclockwise, the pawl 5 disengages from the limiting protrusion 41, crosses the locking groove 32 on the ratchet 3 and falls on the ratchet body 31 (i.e., the smooth area). At the same time, the table board body 10 rotates around the second end of the second bracket 2; continue to press down the table board body 10 and rotate the table board body 10 accordingly, and the table board body 10 can be completely retracted.

[0058] In one embodiment, referring to Figure 4 The height difference between the table top height when the table top body 10 is in the optimal unfolded state and the vehicle hip point height is 250 to 300 mm.

[0059] As an example, the vehicle hip point, or the H-point of the vehicle, refers to the hip point of the vehicle on the driving seat, and is a reference point for determining the position of the driver or passenger in the seat. The H-point is the rotation point (hip point) where the torso and thigh are connected. The "hip point" position measured on the actual vehicle is called the H-point. In order to facilitate the use of the table board main body 10 after it is opened, the structural parameters of the bracket assembly are adjusted to adapt to the appropriate height of the table board main body 10. The height difference between the table top height of the table board main body 10 in the optimal unfolded state and the vehicle hip point height is 250 to 300 mm, so that the height of the table board main body 10 reaches a comfortable height range, avoiding interference with the occupant's knees, creating a comfortable use scenario for the co-pilot occupant, enhancing the user's differentiated experience, and enhancing product competitiveness.

[0060] An embodiment of the present invention provides a vehicle, including a vehicle body front structure.

[0061] As an example, the front body structure includes a table assembly and a co-pilot instrument assembly 12; the cross beam 9 of the table assembly is fixed on the co-pilot instrument assembly 12; by rotating the second bracket 2, the first end of the second bracket 2 rotates around the connecting shaft 6, which can drive the pawl 5 to rotate, so that the second end of the pawl 5 contacts any one of the locking groove 32, the limiting protrusion 41 and the ratchet body 31, so as to adjust the working state of the bracket assembly. The specific adjustment process is as follows: first, rotate the second bracket 2 clockwise. When the second end of the pawl 5 contacts the locking groove 32, the pawl 5 is in a locked state, so that the bracket assembly is in the best deployed state; then continue to rotate the second bracket 2 clockwise, driving the second end of the pawl 5 to move from the locking groove 32 to the limiting protrusion 41. The pawl 5 is in a transitional state, so that the bracket assembly is switched from the best deployed state to the adjustment state; then rotate the second bracket 2 counterclockwise, and use the friction between the second end of the pawl 5 and the limiting protrusion 41 to drive the idler wheel 4 to rotate around the connecting shaft 6, so that the limiting protrusion 41 can cover the locking groove 32, and the second end of the pawl 5 will not enter the locking groove 32 and can be directly moved from the limiting protrusion 41 to the ratchet body 31. The pawl 5 is in an unlocked state, so that the bracket assembly is switched from the adjustment state to the retracted state; then rotate the second bracket 2 until the bracket assembly is in a fully retracted state. Among them, the locking groove 32 is arranged on the ratchet body 31, and the installation position of the locking groove 32 can be adjusted according to the actual situation, so that when the bracket assembly is fully deployed, the height of the table body 10 reaches a comfortable height range, avoiding interference with the knees of the occupants, creating a comfortable use scenario for the co-pilot passengers, enhancing the user's differentiated experience, and enhancing the product competitiveness.

[0062] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A bracket assembly, characterized in that, It includes a first bracket, a second bracket, a ratchet wheel, a transition wheel and a pawl; A connecting shaft is provided at the first end of the first bracket; The first end of the second bracket is rotatably mounted on the connecting shaft; The ratchet wheel is mounted on the connecting shaft. The ratchet wheel includes a ratchet wheel body and a locking groove provided on the ratchet wheel body; The transition wheel is rotatably mounted on the connecting shaft. A limiting protrusion is provided on the transition wheel. The projection of the limiting protrusion along the axial direction of the connecting shaft is partially located outside the projection of the ratchet wheel body along the axial direction of the connecting shaft; The first end of the pawl is rotatably mounted on the second bracket. The second end of the pawl is in contact with any one of the locking groove, the limiting protrusion and the ratchet wheel body to adjust the working state of the bracket assembly.

2. The bracket assembly according to claim 1, wherein The bracket assembly further includes a spring; The first end of the spring is fixed on the second bracket. The second end of the spring is connected to the second end of the pawl.

3. The bracket assembly according to claim 1, wherein A limiting groove is provided on the transition wheel; The bracket assembly further includes a limiting pin. The limiting pin passes through the limiting groove and is fixed on the ratchet wheel.

4. The stent assembly according to claim 1, characterized in that, The second bracket includes a first connecting portion, second connecting portions and third connecting portions extending outwardly and obliquely from both ends of the first connecting portion in the same direction, a fourth connecting portion extending outwardly in an obtuse angle direction from the outer side of one end of the second connecting portion, a fifth connecting portion extending outwardly in an obtuse angle direction from the outer side of one end of the third connecting portion, and a connecting disk extending from the fourth connecting portion; The connecting disk is rotatably mounted on the connecting shaft. The fifth connecting portion is used to connect with a standby object. The first end of the pawl is rotatably mounted on the second connecting portion.

5. A tabletop assembly, characterized in that, It includes the bracket assembly according to any one of claims 1-4, a cross beam and a table board main body; The second end of the first bracket of the bracket assembly is fixed on the cross beam; The second end of the second bracket of the bracket assembly is rotatably connected to the table board main body.

6. The tabletop assembly according to claim 5, characterized in that, At least one mounting groove is provided on the table board main body. Each mounting groove is internally provided with a second bracket.

7. The tabletop assembly according to claim 6, wherein, The mounting groove is a strip-shaped groove; the second end of the second bracket is rotatably mounted in the strip-shaped groove.

8. A front body structure, characterized in that, It includes the table board assembly and the sub-frame instrument assembly according to any one of claims 5-7; The cross beam of the table board assembly is fixed on the sub-frame instrument assembly.

9. The front body structure according to claim 8, characterized in that The height difference between the desktop height of the table board main body in the best unfolded state and the hip point height of the vehicle is 250-300 mm.

10. A vehicle, characterized in that, It includes the front body structure according to any one of claims 8-9.

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