Car steering wheel table top

Abstract

A car steering wheel table top, characterized in that it comprises: a base plate; a base, wherein the base plate is rotatable or fixedly connected to one end of the base; and at least two clamp arms with identical or different structures, wherein the clamp arms are detachably and front-rear extendably connected to the front end of the base, the clamp arms comprise hooks which are rotatably connected to the front ends of the clamp arms, the hooks serve to hook into the car steering wheel, and by moving the clamp arms back and forth, the clamping gaps between the hooks and the base are adjusted in order to mount and fix the steering wheel table plate.

Description

Technical area

[0001] The present utility model relates to the technology field of car accessories and, in particular, concerns a car steering wheel table top. State of the art

[0002] A car steering wheel table is a board that can be attached to the steering wheel to provide the primary driver with a surface to place items or a laptop on when the car is stationary.

[0003] However, current car steering wheel trays cannot be adapted and mounted on steering wheels of many different car models. They lack versatility and stability. Furthermore, the laptop's viewing angle cannot be adjusted, which impairs usability. Improvements are desirable. Content of the utility model

[0004] The purpose of the present utility model is to provide a car steering wheel table plate to improve problems such as the poor applicability and stability of the existing connecting and fixing mechanisms.

[0005] The present utility model is realized as follows: a car steering wheel table top comprises: a base plate; a base, wherein the base plate is rotatable or fixedly connected to one end of the base; and at least two clamp arms with identical or different structures, wherein the clamp arms are detachably and front-rear extendably connected to the front end of the base, the clamp arms comprise hooks which are rotatably connected to the front ends of the clamp arms, the hooks serve to hook into the car steering wheel, and by moving the clamp arms back and forth, the clamping gaps between the hooks and the base are adjusted in order to mount and fix the steering wheel table plate.

[0006] Furthermore, two installation cavities for installing the clamp arms are formed in the base, wherein the top surfaces of the installation cavities have release openings, and first serrations are arranged on one or both sides of the release openings on the inner walls of the installation cavities; and the first serrations and the release openings are arranged on the same wall surface of the installation cavities.

[0007] The clamp arms further comprise sliding seats, the sliding seats being slidably connected in the installation cavities, the hooks being damped and rotatably connected to the sliding seats, and curved recesses adapted to the annular grip of the car steering wheel being formed on the hooks. Furthermore, the sliding seats further comprise first button bodies and first return springs disposed within the sliding seats, the first return springs being located beneath the first button bodies, and the first return springs serving to press and reset the first button bodies. the first key bodies include second serrations and projecting plungers arranged on the upper surfaces of the first key bodies, the second serrations and the projecting plungers projecting through the housings of the sliding seats, the second serrations engaging with the first serrations in the installation cavities, and the plungers projecting through the release openings and projecting beyond the base.

[0008] Furthermore, the clamp arms comprise pivot axes firmly connected to the hooks, wherein pivot holes matching the pivot axes are formed at the front end of the base, the pivot axes are inserted into the pivot holes, and the clamp arms are rotatably connected to the base via the pivot axes. Furthermore, the base comprises second return springs, fixing screws, and adjusting threaded rods, wherein the second return springs and the fixing screws are located within the housing of the base, the pivot axes and the hooks have through-holes, the fixing screws are arranged in the pivot holes, and the adjusting threaded rods are pulled through the holes in the clamp arms and engage with the fixing screws in the pivot holes; and the second return springs are mounted on the adjusting threaded rods, and the second return springs are in pressure contact with the rotation axes of the hooks to provide spring support for the forward and backward movement of the clamp arms.

[0009] Furthermore, the base plate comprises a support unit arranged on the base plate, wherein one end of the support unit is connected to the base, and the other end of the support unit is connected to the base plate to stabilize the base plate horizontally.

[0010] Furthermore, the support unit comprises a first connecting unit, a second connecting unit and a third connecting unit, wherein one end of the first connecting unit is rotatably connected to the base, the other end of the first connecting unit is rotatably connected to the second connecting unit, one end of the third connecting unit is rotatably connected to the base plate, the third connecting unit is slidably connected to the second connecting unit in a front-rear direction, a locking mechanism is provided between the third connecting unit and the second connecting unit, and the locking mechanism is for locking and releasing the forward and backward sliding of the third connecting unit.

[0011] Furthermore, the locking mechanism comprises a second key body, a third return spring and third gears, wherein the second key body and the third return spring are arranged within the housing of the second connecting unit, the third return spring is located below the second key body, and the third return spring serves to press and reset the second key body; and the second key body has the same structure as the first key bodies, second teeth and a projecting plunger are arranged on the top of the second key body, the third teeth are located within the housing of the third connecting unit, and the third teeth are associated with the second teeth of the second key body and engage with the second teeth.

[0012] Furthermore, the base plate further comprises a limiting device which is fixedly or front-rear slidably connected to the base plate, wherein the limiting device comprises a limiting arm which is rotatably connected to the limiting device.

[0013] Compared to the prior art, the present utility model has the following advantages. 1. By equipping the steering wheel table with two front-to-back movable clamping arms and the ability to adjust the clamping gap between the base and the hook, the steering wheel table plate can be adapted to fit steering wheels of various vehicle models. Furthermore, it offers greater stability, significantly improving the product's market adaptability and application possibilities. 2. The support unit increases the stability of the base plate by providing horizontal support. Since the base plate is rotatably connected to the base, adjusting the support unit allows you to control the tilt angle of the base plate, optimizing the user experience. 3. By setting up the limit arm, laptops or tablets can be restricted during use to prevent them from slipping. Furthermore, by moving the limit arm back and forth, the front-to-back position of the devices can be adjusted to adjust the tilt angle of the device display and find the optimal viewing angle for different user needs. Description of the attached drawings Fig. 1 is an application state diagram of the entire assembly on a steering wheel according to the first embodiment of the present utility model; Fig. 2 is a structural diagram of the entire device according to the first embodiment of the present utility model; Fig. 3 is a structural diagram of a clamp arm according to the first embodiment of the present utility model; Fig. 4 is a structural diagram of an installation cave according to the first embodiment of the present utility model; Fig. 5 is an internal structural diagram of the clamp arm according to the first embodiment of the present utility model; Fig. 6 is a structural diagram of the clamp arm according to the second embodiment of the present utility model; Fig. 7 is an assembly diagram of the clamp arm according to the second embodiment of the present utility model; Fig. 8 is a structural diagram of a support unit according to the third embodiment of the present utility model; Fig. 9 is an enlarged detail diagram of the substructure in Fig. 8 according to the third embodiment of the present utility model; Fig. 10 is a decomposition diagram of the support unit according to the third embodiment of the present utility model; Fig. 11 is a structural diagram of a key body according to the first and third embodiments of the present utility model; Fig. 12 is a structural diagram of a base plate and a base according to the fourth embodiment of the present utility model; Fig. 13 is a limiting state diagram of the device by a limiting arm according to the fifth embodiment of the present utility model; Fig. 14 is a structural diagram of an entire limiting device according to the fifth embodiment of the present utility model; Fig. 15 is an enlarged detail diagram of Fig. 14 according to the fifth embodiment of the present utility model; Fig. 16 is an internal structural diagram in the expanded state of the limiting arm according to the fifth embodiment of the present utility model; Fig. 17 is an internal structural diagram in the canceled state of the limiting arm according to the fifth embodiment of the present utility model; Fig. Fig. 18 is a structural diagram of the entire limiting arm according to the fifth embodiment of the present utility model; and Fig. 19 is a structural diagram of the entire device according to the fifth embodiment of the present utility model. Examples of implementation

[0014] In the present utility model, the terms "assembly," "connection," "connection," "fixing," etc., are to be understood in the broadest sense, unless expressly defined or restricted otherwise. For example, this may include a fixed connection, a detachable connection, or a unitary connection; a mechanical or electrical connection; a direct connection or an indirect connection via an intermediary means; an internal connection between two components or a mutual interaction between two elements. For those skilled in the art, the specific meaning of the above terms within the scope of the present utility model may be understood depending on the specific circumstances.

[0015] In the following, a further explanation is given with reference to the attached figures and concrete embodiments. Example 1

[0016] As in Fig. 1-5 and 11, a car steering wheel tray comprises: a base plate 1; a base 2, wherein the base plate 1 is rotatably or fixedly connected to one end of the base 2; and at least two clamp arms 3 having identical or different structures. In the exemplary embodiment of the present utility model, the base plate 1 is rotatably connected to the base 2 via pivot axes, wherein the base plate 1 is rotatable up and down relative to the base 2. The two clamp arms 3 have identical structures, wherein the clamp arms 3 are detachably and front-rear extendably connected to the front end of the base 2. The clamp arms 3 include hooks 32 that are rotatably connected to the front ends of the clamp arms 3. The hooks 32 are arranged at the front ends of the clamp arms 3.The hooks 32 are used to hook into the car steering wheel, and by moving the clamp arms 3 back and forth, the clamping gap between the hooks 32 and the base 2 can be adjusted in order to mount and fix the steering wheel table plate.

[0017] Two installation cavities 21 for installing the clamp arms 3 are formed at the front end of the base 2. The installation cavities 21 have a rectangular, polygonal, or arbitrarily shaped round cavity shape. The two installation cavities 21 are located on the left and right sides of the front end of the base 2. A bilaterally symmetrical arcuate release recess 24 is arranged between the two installation cavities 21. A non-slip rubber mat is accommodated in the arcuate release recess 24. With the steering wheel table plate assembled and fixed, the lower end of the steering wheel comes into contact with the arcuate release recess 24 to achieve a containment effect. The non-slip rubber mat prevents the base 2 from scratching the outer leather cover of the steering wheel and simultaneously increases stability. The base 2 has first release holes 22 passing through the installation cavities 21.The first release openings 22 are positioned at the tops of the installation cavities 21. The first release openings 22 are rectangular openings with a specific length, and the first release openings 22 extend longitudinally along the longitudinal direction of the installation cavities 21 to allow back and forth movement of the first button bodies 33. First serrations 23 are arranged on the inner walls 211 of the installation cavities 21. The first serrations 23 are located on one or the opposite sides of the first release openings 22. The first serrations 23 and the first release openings 22 lie on the same wall surface of the installation cavities 21. The clamp arms 3 further include sliding seats 31, wherein the sliding seats 31 are slidably connected in the installation cavities 21, and the hooks 32 are damped and rotatably connected to the sliding seats 31. The hooks 32 are positioned at the front ends of the sliding seats 31.Damper rings are installed between the hooks 32 and the sliding seats 31 to increase stability and dampen the rotation of the hooks 32. The sliding seats 31 are adapted to the shape of the installation cavities 21, and the clamp arms 3 have an overall L-shaped structure. Curved recesses 321 are arranged on the hooks 32, which are adapted to the ring-shaped grip of the car steering wheel. The curved recesses 321 have a spiral design, and the curved recesses 321 are arranged on the hooks 32. The curved recesses 321 are spiral-shaped groove bodies, and the curved recesses 321 are arranged on the inner sides of the hooks 32. With the steering wheel table plate assembled and fixed, the curved recesses 321 of the hooks 32 come into contact with and fit closely against the ring-shaped grip of the steering wheel to improve stability.Soft mats are fixed in the curved recesses 321. The soft mats can be made of soft silicone, soft plastic, or textile to prevent the hooks 32 from scratching the outer leather cover of the car steering wheel. The clamp arms 3 are arranged in the installation cavities 21, sliding front-to-rear, via the sliding seats 31. The sliding seats 31 include first button bodies 33 and first return springs 34 positioned within the housings of the sliding seats 31. The housings of the sliding seats 31 consist of upper shells 311 and lower shells 312, and receiving spaces are formed between the upper shells 311 and the lower shells 312. The first button bodies 33 and the first return springs 34 are mounted in the receiving spaces. The lower shells 312 are detachably connected to the upper shells 311 by screws or clamps to enable the assembly of the first key bodies 33 and the first return springs 34.The tips of the first return springs 34 come into contact with the undersides of the first key bodies 33, and the lower ends of the first return springs 34 are in pressure contact with the undersides of the receiving spaces. The first key bodies 33 are pressure-connected to the sliding seats 31 so as to be movable in the vertical plane, and the first return springs 34 are arranged below the first key bodies 33. The first return springs 34 serve to reset the first key bodies 33 after a pressing operation. Second toothings 331 and projecting plungers 332 are arranged on the upper surfaces of the first key bodies 33, the second toothings 331 and the projecting plungers 332 projecting through the corresponding housings of the sliding seats 31. The second teeth 331 engage with the first teeth 23 on the inner walls of the installation cavities 21, and the plungers 332 penetrate the release openings 22 and protrude beyond the housing of the base 2.When a user wants to move the clamp arms 3 forward or backward, they simply press the plungers 332 of the first key bodies 33. The first return springs 34 compress under the pressure and deform, while the first key bodies 33 slide downward. The second serrations 331 of the first key bodies 33 disengage from the first serrations 23 on the inner walls of the installation cavities 21, and the clamp arms 3 are in an unlocked state. In this state, the clamp arms 3 can slide forward or backward along the longitudinal direction of the installation cavities 21, or the sliding seats 31 of the clamp arms 3 can be pulled out of the installation cavities 21 and the clamp arms 3 can be disassembled for compact storage. When the user releases the first key bodies 33, the first return springs 34 reset, and the first key bodies 33 slide upward back to their original positions.The second serrations 331 of the first key bodies 33 engage with the first serrations 23 on the inner walls of the installation cavities 21 to form a locked state of the clamp arms 3. The length of the release holes 22 corresponds to the forward and backward movement distance of the clamp arms 3. When the clamp arms 3 move backward, the hooks 32 of the clamp arms 3 move away from the base 2, and the clamping gaps between the hooks 32 and the base 2 increase; when the clamp arms 3 move forward, the hooks 32 of the clamp arms 3 approach the base 2, and the clamping gaps between the hooks 32 and the base 2 decrease.

[0018] By installing two front-to-back movable clamp arms 3 and adjusting the clamping gap between the base 2 and the hooks 32, the steering wheel table plate can be adapted to steering wheels of various vehicle models. Furthermore, the cooperation between the hooks 32 and the base 2 improves the clamping efficiency, significantly increasing the product's market adaptability and application possibilities. Example 2

[0019] As in Fig. 6 and Fig. 7, the improvement of this embodiment is that the clamp arms 3 comprise pivot axes 20 fixedly connected to the hooks 32, wherein pivot holes 60 matching the pivot axes 20 are formed at the front end of the base 2, the pivot axes 20 are inserted into the pivot holes 60, and the clamp arms 3 are rotatably connected to the base 2 via the pivot axes 20. The base 2 includes second return springs 35, fixing screws 36, and adjusting threaded rods 37, wherein the second return springs 35 and the fixing screws 36 are located within the housing of the base 2. The fixing screws 36 are fixedly mounted in the pivot holes 60. The rotary axes 20 and the hooks 32 have through holes 300, and the adjusting threaded rods 37 are pulled through the holes 300 and engage with the fixing screws 36 in the axis holes 60.The front ends of the adjusting threaded rods 37 are provided with external threads of a specific length, and the external threads mate with the internal threads of the fixing screws 36. The adjusting threaded rods 37 are screwed to the fixing screws 36, and the rear ends of the adjusting threaded rods 37 are designed as rotary handles. The second return springs 35 are placed on the adjusting threaded rods 37, and the front ends of the second return springs 35 are in pressure contact with the rotation axes 20 of the clamp arms 3, and the rear ends of the second return springs 35 are in pressure contact with the inner walls of the axis holes 60 to provide resilient support for the sliding back and forth movement of the clamp arms 3. In this embodiment, the axis holes 60 are cylindrical, and the rotation axes 20 fit into the axis holes 60. The rotary axes 20 are inserted into the axis holes 60.If the user wishes to move the base plate 1 forward or backward, they can rotate the adjusting threaded rods 37 counterclockwise or clockwise. By pushing or pulling the adjusting threaded rods 37, the clamp arms 3 are moved back and forth along the longitudinal direction of the installation cavities 21. When the clamp arms 3 move backward, the hooks 32 of the clamp arms 3 move away from the base 2, and the clamping gaps between the hooks 32 and the base 2 increase; when the clamp arms 3 move forward, the hooks 32 of the clamp arms 3 approach the base 2, and the clamping gaps between the hooks 32 and the base 2 decrease. When the hooks 32 move toward the clamp arms 3 to the inward end positions on the base 2, the second return springs 35 are in the compressed state.When the adjusting threaded rods 37 are turned counterclockwise or clockwise, the return force of the second return springs 35 supports the forward movement of the clamp arms 3 and prevents unwanted slipping of the clamp arms 3. When the adjusting threaded rods 37 are completely loosened from the fixing screws 36, the clamp arms 3 can be removed for disassembly, adjustment and reassembly, which enables particularly easy handling. Example 3

[0020] As in Fig. As shown in Figures 8-11, a support unit 11 is arranged on the base plate 1, with one end of the support unit 11 being connected to the base 2. The support unit 11 is arranged at the lower portion of the base plate 1 and the base 2. The other end of the support unit 11 is connected to the base plate 1 to stabilize the base plate 1 horizontally.The support unit 11 comprises a first connecting unit 100, a second connecting unit 101 and a third connecting unit 102, wherein one end of the first connecting unit 100 is rotatably connected to the base 2, the other end of the first connecting unit 100 is rotatably connected to the second connecting unit 101, one end of the third connecting unit 102 is rotatably connected to the base plate 1, the third connecting unit 102 is slidably connected to the second connecting unit 101 in a front-rear direction, a locking mechanism is provided between the third connecting unit 102 and the second connecting unit 101, and the locking mechanism is for locking and releasing the forward and backward sliding of the third connecting unit 102.The locking mechanism includes a second key body 30, a third return spring 40, and third gear teeth 50. The second key body 30 and the third return spring 40 are arranged within the housing of the second connecting unit 101. The housing of the second connecting unit 101 includes an upper shell 1011 and a lower shell 1012, and the upper shell 1011 is detachably connected to the lower shell 1012 via screws or clamps. Sliding spaces of a specific length are located within the upper shell 1011 and the lower shell 1012. One end of the third connecting unit 102 is inserted into the sliding spaces. The third return spring 40 is arranged below the second key body 30, and the third return spring 40 serves to press and reset the second key body 30.The second key body 30 has the same structure as the first key body 33; second serrations 331 and a protruding plunger 332 are arranged on the top of the second key body 30. The third serrations 50 are arranged on the housing of the third connecting unit 102. The third serrations 50 are assigned to the second serrations 331 of the second key body 30 and engage with the second serrations 331. In this embodiment, a release recess 1021 with a specific depth and length is formed on the underside of the third connecting unit 102. A rectangular through-hole 1022 runs in the center of the release recess 1021 along its longitudinal direction. The third serrations 50 are evenly arranged on the opposite sides of the rectangular through-hole 1022.The second key body 30 is located within the release recess 1021, with the plungers 332 on the second key body 30 protruding through the rectangular through-opening 1022 and protruding through the lower shell 1012 to the outer surface of the housing of the third connecting unit 102. When the second teeth 331 on the second key body 30 engage with the third teeth 50 on the third connecting unit 102, the third connecting unit 102 is in the locked state. To adjust the inclination angle or the horizontal state of the base plate 1, only pressing on the second key body 30 is required. This disengages the second teeth 331 on the second key body 30 from the third teeth 50 on the third connecting unit 102, whereby the third connecting unit 102 changes to the unlocked state.Then, the user can move the third connecting unit 102 forward or backward to rotate the base plate 1 up or down to adjust the horizontal state of the base plate 1.

[0021] By installing the support unit 11, the stability of the base plate 1 is improved by providing horizontal support. Furthermore, the base plate 1 is rotatably connected to the base 2, allowing precise control of the tilt angle of the base plate 1 using the support unit 11, which significantly improves the user experience. Example 4

[0022] As in Fig. 12, a car steering wheel table plate comprises: a base plate 1 and a base 2, wherein the base plate 1 is fixedly connected to one end of the base 2. At least two clamp arms 3 with identical structures are detachably and front-to-back extendably connected to the front end of the base 2. The clamp arms 3 include hooks 32 that are rotatably connected to the front ends of the clamp arms 3. The hooks 32 are used to hook onto the car steering wheel. By moving the clamp arms 3 back and forth, the clamping gaps between the hooks 32 and the base 2 are adjusted to mount and fix the steering wheel table plate. In this embodiment, the connection of the two clamp arms 3 to the base 2 is structurally identical to Embodiments 1 and 2. The difference is that the base 2 and the base plate 1 are integrally molded, which simplifies the overall structure and enables various applications. Example 5

[0023] As in Fig. 13 to 19, the base plate 1 of a car steering wheel table plate comprises a limiting device 4 connected fixedly or in a front-rear sliding manner to the base plate 1. The limiting device 4 comprises a limiting arm 40 connected fixedly or rotatably to the limiting device 4.

[0024] The limiting device 4 is arranged horizontally along the longitudinal direction of the base plate 1 or vertically along the width direction of the base plate 1 within the base plate 1. In this embodiment, the limiting device 4 comprises a group. The group of the limiting device 4 is located at the central position of the base plate 1. The limiting arm 40 has an L-shaped structure, and the limiting arm 40 is rotatably connected to the limiting device 4. Within the housing of the base plate 1, a vertical rail cavity 200 having a predetermined length extends along the width direction of the base plate 1, and the limiting device 4 is slidably arranged in the rail cavity 200 in a front-rear direction. The length of the rail cavity 200 exceeds the length of the limiting device 4 to allow free forward and backward movement of the limiting device 4.Fourth toothings 41 are arranged on the inner walls of one side or two opposite sides of the rail cavity 200. The upper side of the rail cavity 200 has a limiting opening 50. The limiting arm 40 extends through the limiting opening 50. As the limiting device 4 moves forward and backward, the limiting arm 40 moves within the limiting opening 50. The limiting device 4 further comprises a housing 400. The housing 400 consists of a rectangular upper shell and a detachable lower shell. The lower shell is fixed to the underside of the rectangular upper shell by screws or clamps. A receiving space is located between the rectangular upper shell and the lower shell. Two laterally opposing closures 42 and a spring 43 are arranged in the receiving space. The spring 43 is positioned between the two closures 42 and provides resilient support for the two closures 42.The two locks 42 are laterally slidably connected in the receiving space, and the front ends of the two locks 42 penetrate the corresponding housing 400 and protrude into the fourth toothings 41 of the rail cavity 200. The front ends of the two locks 42 are adapted to and engage with the fourth toothings 41. The top of the receiving space has a rectangular opening through which the upper end of the limiting arm 40 extends and is rotatably connected in the receiving space via a rotation axis. Between the two locks 42 is a locking groove 402, while the lower end of the limiting arm 40 projects downwards to form a locking platform 401. The locking groove 402 is adapted to the locking platform 401.When the user rotates the limiting arm 40 to the left or right when the limiting arm 40 is in the extended state, the locking platform 401 engages with the locking groove 402 and can no longer move laterally. In this state, the two locks 42 are firmly hooked into the fourth serrations 41 of the rail cavity 200, and the limiting device 4 is in the locked state, in which it cannot move forward or backward. If the user wants to move the limiting device 4 forward or backward, they rotate the limiting arm 40 in the opposite direction, so that the locking platform 401 is released from the locking groove 402. The limiting device 4 is now in the unlocked state, and the limiting arm 40 is in the suspended state. The user can move the limiting device 4 forward or backward to adjust the inclination angle of the device on the base plate 1.The interaction of the fourth gears 41, the locks 42, and the spring 43 creates a damping effect during the movement of the limiting device 4, which improves the user experience. A grip groove 403 is formed at the upper end of the limiting arm 40 to enable easy handling and rotation of the limiting arm 40 in the recording state.

[0025] By installing the limiting arm 40, a laptop or tablet can be prevented from sliding when using it. Furthermore, the forward and backward movement of the limiting device 4 allows for adjustment of the forward and backward position of the device, thereby adjusting the tilt angle of the device position to find the optimal viewing angle and meet the different application requirements of the users.

[0026] The working principle is as follows. The present utility model includes a base plate 1, a base 2, and two clamp arms 3 arranged on the left and right of the base 2. In use, first, the first button body 33 is pressed to unlock the clamp arms 3, or the adjustment threaded rods 37 are loosened to move the clamp arms 3 rearward to a suitable position. This causes the hooks 32 on the clamp arms 3 to move away from the base 2, providing a sufficient mounting area. Then, the hooks 32 on the clamp arms 3 are rotated to align and hook the curved recesses 321 of the two hooks 32 with the rear surface of the annular grip of the steering wheel. The corresponding front surface of the annular grip of the steering wheel comes into contact with the arcuate release recess 24 on the base 2.Subsequently, the clamp arms 3 are pushed forward one by one or the adjusting threaded rods 37 are tightened, so that the clamp arms 3 move toward the base 2 and reduce the clamping gap between the hooks 32 and the base 2. Once the hooks 32 firmly hook the ring-shaped handle of the steering wheel, a counter-tension state is achieved between the hooks 32 and the base 2 against the car steering wheel, and the preliminary assembly and fixation of the car steering wheel table top is completed. Subsequently, the third link unit 102 is adjusted so that the first link unit 100 comes into contact with the car steering wheel and forms a support for the base plate 1. The user can adjust the forward and backward movement of the third link unit 102 to adjust the horizontal support of the support unit 11 for the base plate 1.Furthermore, by moving the clamp arms 3 back and forth, the vertical accommodation space of the base plate 1 can be expanded to prevent objects placed on the base plate 1 from colliding with the steering wheel. In summary, in the present utility model, by providing two front-to-back movable clamp arms 3 and the ability to adjust the clamping gaps between the base 2 and the hooks 32, the steering wheel table plate can be adapted to the steering wheels of various vehicle models. Furthermore, the cooperation between the hooks 32 and the base 2 improves the fixing efficiency, which greatly enhances the market adaptability and application of the product.

[0027] The horizontal support of the support unit 11 for the base plate 1 improves its stability. Furthermore, the base plate 1 is rotatably connected to the base 2, allowing precise control of the tilt angle of the base plate 1 by adjusting the support unit 11, thus optimizing the user experience.

[0028] The above embodiments are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Those skilled in the art will recognize that the present utility model may be subject to various changes and modifications. All changes, equivalence decompositions, improvements, etc., made within the spirit and principles of the present utility model are intended to be included within the scope of protection of the present utility model.

Claims

[1] A car steering wheel table top, characterized by that it includes: a base plate; a base, wherein the base plate is rotatable or fixedly connected to one end of the base; and at least two clamp arms with identical or different structures, wherein the clamp arms are detachably and front-rear extendably connected to the front end of the base, the clamp arms comprise hooks which are rotatably connected to the front ends of the clamp arms, the hooks serve to hook into the car steering wheel, and by moving the clamp arms back and forth, the clamping gaps between the hooks and the base are adjusted in order to mount and fix the steering wheel table plate. [2] The car steering wheel table top according to claim 1, characterized bythat two installation cavities for installing the clamp arms are formed in the base, wherein the top surfaces of the installation cavities have release openings, and first serrations are arranged on one or both sides of the release openings on the inner walls of the installation cavities; and the first serrations and the release openings are arranged on the same wall surface of the installation cavities. [3] The car steering wheel table top according to claim 1, characterized by that the clamp arms comprise sliding seats, wherein the sliding seats are slidably connected in the installation cavities, the hooks are damped rotatably connected to the sliding seats, and curved recesses adapted to the annular grip of the car steering wheel are formed on the hooks. [4] The car steering wheel table top according to claim 3, characterized byin that the sliding seats comprise first key bodies and first return springs arranged within the sliding seats, the first return springs being located beneath the first key bodies, and the first return springs serving to press and reset the first key bodies; the first key bodies comprise second serrations and projecting plungers arranged on the upper surfaces of the first key bodies, the second serrations and the projecting plungers protruding through the housings of the sliding seats, the second serrations engaging with the first serrations in the installation cavities, and the plungers protruding through the release openings and projecting beyond the base. [5] The car steering wheel table top according to claim 1, characterized bythat the clamp arms comprise rotary axes firmly connected to the hooks, wherein axis holes matching the rotary axes are formed at the front end of the base, the rotary axes are inserted into the axis holes, and the clamp arms are rotatably connected to the base via the rotary axes. [6] The car steering wheel table top according to claim 5, characterized bythat the base comprises second return springs, fixing screws and threaded adjustment rods, wherein the second return springs and the fixing screws are located within the housing of the base, the rotary axes and the hooks have through-holes, the fixing screws are arranged in the axis holes, and the threaded adjustment rods are pulled through the holes in the clamp arms and engage with the fixing screws in the axis holes; and the second return springs are slipped onto the threaded adjustment rods, and the second return springs are in pressure contact with the rotary axes of the hooks to form a resilient support for the forward and backward movement of the clamp arms. [7] The car steering wheel table top according to claim 1, characterized bythat the base plate comprises a support unit arranged on the base plate, one end of the support unit being connected to the base, and the other end of the support unit being connected to the base plate to stabilize the base plate horizontally. [8] The car steering wheel table top according to claim 7, characterized bythat the support unit comprises a first connecting unit, a second connecting unit and a third connecting unit, wherein one end of the first connecting unit is rotatably connected to the base, the other end of the first connecting unit is rotatably connected to the second connecting unit, one end of the third connecting unit is rotatably connected to the base plate, the third connecting unit is slidably connected front-rear to the second connecting unit, a locking mechanism is located between the third connecting unit and the second connecting unit, and the locking mechanism serves to lock and release the forward and backward sliding of the third connecting unit. [9] The car steering wheel table top according to claim 8, characterized bythat the locking mechanism comprises a second key body, a third return spring and third toothings, wherein the second key body and the third return spring are arranged within the housing of the second connecting unit, the third return spring is located under the second key body, and the third return spring serves to press and reset the second key body; and the second key body has the same structure as the first key bodies, second toothings and a protruding plunger are arranged on the top of the second key body, the third toothings are located within the housing of the third connecting unit, and the third toothings are assigned to the second toothings of the second key body and engage with the second toothings. [10] The car steering wheel table top according to claim 1, characterized bythat the base plate further comprises a limiting device which is fixedly or front-rear slidably connected to the base plate, wherein the limiting device comprises a limiting arm which is rotatably connected to the limiting device.

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