Hidden seat small table plate assembly
Technical Field
The invention belongs to the field of automobile accessories, and particularly relates to a hidden seat small table plate assembly.
Background
The existing hidden seat small table plate is folded and then stored in the seat armrests, so that the stored table plate does not occupy space in a vehicle completely and the overall attractiveness in the vehicle is not affected. The existing hidden seat small table plate is divided into a manual type and an automatic type, passengers need to manually draw out the small table plate from the seat armrests, the use is very inconvenient, the automatic type hidden seat small table plate needs to be additionally provided with a power mechanism and a locking mechanism, but the existing power mechanism and the locking mechanism are quite complex in structure, the number of parts is large, the cost is high, meanwhile, the table plate is too fast in automatic ejection, and potential safety hazards are easily caused.
Disclosure of Invention
Aiming at the technical problems, the invention aims to provide the hidden type small seat table plate assembly which is simple in structure and can pop up at a constant speed.
The technical scheme adopted by the invention is as follows: the hidden small seat table plate assembly comprises an installation box, a table plate installation piece and a table plate, wherein the installation box is fixed in a seat armrest, the table plate installation piece can be arranged in the installation box in an up-and-down sliding manner, and the table plate is hinged with the upper end of the table plate installation piece, so that the table plate can be converted between a horizontal working state and a vertical folding state;
the lower end of the desk plate mounting piece is provided with two coil spring mounting grooves, a scroll spring is arranged in each coil spring mounting groove, the outer end of the scroll spring is fixed on the side wall of the mounting box and is close to the upper edge of the side wall, the desk plate mounting piece is provided with a uniform gear, and the side wall of the mounting box is provided with a rack which extends vertically and is meshed with the uniform gear;
still include automatic elasticity and bump the pearl lock, automatic elasticity is bumped the fixed part of pearl lock and is installed in mounting box bottom, automatic elasticity is bumped the movable part of pearl lock and is installed in the bottom of table mounting, when pressing the table that is in vertical folding state, when table and table mounting down slide together to movable part and fixed part contact, automatic elasticity is bumped the pearl lock and is locked table and table mounting in the mounting box, and two spiral springs are all in vertical tensile state this moment, after pressing the table again makes automatic elasticity bump the pearl lock unblock, two spiral springs can drive table mounting and table upwards slide to the table and just fully expose the mounting box under the effect of restoring force.
Preferably, two front-back spaced table hinge shafts are coaxially arranged below one end of the table plate close to the table plate mounting piece, two upward extending hinge shaft mounting lugs are arranged at the upper end of the table plate mounting piece, and the table plate hinge shafts are respectively arranged on the corresponding hinge shaft mounting lugs in a penetrating manner, so that the hinged mounting of the table plate and the table plate mounting piece is realized;
the table plate mounting piece is provided with an inclined strut, one end, close to the table plate mounting piece, below the table plate is provided with an inclined strut chute, an inclined strut hinge shaft is arranged between two hinge shaft mounting lugs, the inclined strut hinge shaft is positioned below the two table plate hinge shafts, one end of the inclined strut is hinged to the inclined strut hinge shaft, and the other end of the inclined strut can be slidably arranged in the inclined strut chute;
when the table rotates to a horizontal state, the diagonal brace is used for supporting the table and enabling the table to keep in the horizontal state, when the table rotates to a vertical state from the horizontal state, the table is limited by the hinge shaft mounting lugs and cannot continue to rotate, and the diagonal brace slides from one end, away from the table mounting piece, of the diagonal brace sliding groove to the other end while rotating and slides into a diagonal brace abdication area between the two hinge shaft mounting lugs. By adopting the structure, the inclined strut abdication area is formed between the two table plate hinge shafts, the inclined strut is prevented from interfering with the table plate hinge shafts when rotating, the rotation angle of the table plate is limited to 90 degrees by the inclined strut and the hinge shaft mounting lugs, the table plate is prevented from rotating randomly, the inclined strut can support the table plate, and meanwhile, the inclined strut can be stored into the mounting box together with the table plate, so that the structure is simple, stable and reliable.
Preferably, the table plate can move back and forth along the table plate hinge shaft, and the diagonal brace can move back and forth along the diagonal brace hinge shaft along the table plate. By adopting the structure, the desk plate can be adjusted in position front and back so as to meet the requirements of different passengers, and the desk plate is very convenient and flexible to use.
Preferably, the table top comprises a table top mounting piece, a diagonal brace positioning device and an annular groove, wherein the diagonal brace positioning device is a spring top bead which is arranged on the table top mounting piece and located below the diagonal brace, and the center of the hinged end of the diagonal brace is provided with the annular groove which is matched with the spring top bead. By adopting the structure, when the desk plate needs to be folded, the diagonal bracing positioning device can assist passengers to align the centers of the desk plate and the desk plate mounting piece, so that when the desk plate rotates to be in a vertical folding state, the desk plate can be accurately stored in the mounting box, and meanwhile, the diagonal bracing is exactly aligned with a diagonal bracing yielding area between two desk plate hinge shafts, and interference with the desk plate hinge shafts when the diagonal bracing rotates is avoided.
Preferably, the table is a foldable combined table. By adopting the structure, the length of the desk plate can be adjusted by passengers according to needs, and the desk is convenient and flexible to use.
Preferably, two bilaterally symmetrical vertical sliding rails are arranged on the side wall of the installation box, and the desk plate installation piece is fixed on the sliding blocks of the two vertical sliding rails, so that vertical sliding is realized. By adopting the structure, the installation structure of the desk plate installation piece is stable and reliable, and the desk plate installation piece slides up and down smoothly.
The beneficial effects of the invention are as follows: the desk plate can be stored in the mounting box, so that the space in the vehicle is saved, and the overall aesthetic property in the vehicle is not affected; the spiral spring is adopted to provide power for the desk plate to slide out of the mounting box, the structure is simple, the installation is convenient, the desk plate can automatically pop up after unlocking, and the use is more convenient and comfortable; the arrangement of the constant-speed gear and the rack enables the table plate and the table plate mounting piece to slide up and down at a constant speed, so that potential safety hazards or structural deformation caused by too high sliding speed are avoided, and the use experience is better; the automatic elastic spring ball lock has simple structure, is easy to realize, and is very convenient to unlock or lock.
Drawings
FIG. 1 is a schematic view of the structure of the present invention (except for the side seal cover) when the table is in a horizontal operating state;
FIG. 2 is a schematic view of the structure of the present invention (except for the side seal cover) when the table is in a vertically folded state;
FIG. 3 is a schematic view of the mounting structure of the table mounting member, the table and the slide rail when the table is in a horizontal working state;
FIG. 4 is a schematic view of the mounting structure of the table mounting member, the table and the sliding rails when the table is in the vertically folded state;
FIG. 5 is a schematic view of the structure of an automatic spring ball lock, spiral spring, diagonal brace positioning device, diagonal brace hinge shaft, table hinge shaft and vertical slide rail;
fig. 6 is a schematic view of the structure of the present invention when the table is accommodated in the mounting box.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
as shown in fig. 1 to 6, a hidden seat small table assembly mainly comprises a mounting box 1, a table plate mounting piece 2, a table plate 3, an automatic elastic ball latch 4 and a scroll spring 5, wherein the mounting box 1 comprises a vertically arranged box body 101 without an upper cover and a side sealing cover 102, the mounting box 1 is fixed in a seat armrest, the table plate mounting piece 2 can be arranged in the mounting box 1 in a vertically sliding manner, and the table plate 3 is hinged with the upper end of the table plate mounting piece 2, so that the table plate 3 can be switched between a horizontal working state and a vertical folding state; two bilaterally symmetrical coil spring mounting grooves 201 are formed in the lower end of the table plate mounting piece 2, the notch of each coil spring mounting groove 201 faces the side wall of the box body 101, a scroll spring 5 is arranged in each coil spring mounting groove 201, the outer end of each scroll spring 5 is fixed on the side wall of the box body 101 and is close to the upper edge of the side wall, a constant speed gear 10 is arranged on the table plate mounting piece 2, and a rack 11 which extends vertically and is meshed with the constant speed gear 10 is arranged on the side wall of the box body 101; the fixed part 401 of the automatic elastic ball lock 4 is arranged at the bottom of the box body 101, the movable part 402 of the automatic elastic ball lock 4 is arranged at the bottom of the table plate mounting part 2, when the table plate 3 in the vertical folding state is pressed, the table plate 3 and the table plate mounting part 2 slide downwards until the movable part 402 contacts with the fixed part 401, the automatic elastic ball lock 4 locks the table plate 3 and the table plate mounting part 2 in the mounting box 1, at the moment, the two scroll springs 5 are in the vertical stretching state, after the table plate 3 is pressed again to unlock the automatic elastic ball lock 4, the two scroll springs 5 can drive the table plate mounting part 2 and the table plate 3 to slide upwards to the table plate 3 just to fully expose the mounting box 1 under the action of restoring force, and after the table plate 3 is exposed out of the mounting box 1, the table plate 3 can rotate from the vertical folding state to the horizontal working state.
As shown in fig. 3 to 5, two front-back spaced table hinge shafts 6 are coaxially arranged below one end of the table 3, which is close to the table mounting member 2, two hinge shaft mounting lugs 202 extending upwards are arranged at the upper end of the table mounting member 2, and the table hinge shafts 6 are respectively penetrated on the corresponding hinge shaft mounting lugs 202, so that the hinge mounting of the table 3 and the table mounting member 2 is realized, and the purpose of adopting two table hinge shafts 6 is that: a diagonal brace abdicating area is formed between the two table plate hinge shafts 6, so that the phenomenon that the diagonal brace 7 is interfered with the table plate hinge shafts 6 when rotating is avoided; the table plate mounting piece 2 is provided with a diagonal bracing 7 for supporting the table plate 3, one end, close to the table plate mounting piece 2, below the table plate 3 is provided with a diagonal bracing chute 301, a diagonal bracing hinge shaft 8 is arranged between two hinge shaft mounting lugs 202, one end of the diagonal bracing 7 is hinged on the diagonal bracing hinge shaft 8, the other end of the diagonal bracing 7 is slidably mounted in the diagonal bracing chute 301 through a sliding pin, and the diagonal bracing hinge shaft 8 is positioned below the two table plate hinge shafts 6, so that the diagonal bracing 7 can form a sufficient inclination angle when supporting the table plate 3 to achieve stress balance; when the table 3 rotates to a horizontal working state, the sliding end of the diagonal brace 7 is well abutted against the groove wall of the diagonal brace sliding groove 301 away from the table mounting piece 2, so that the table 3 cannot continue to rotate and is kept in the horizontal working state, when the table 3 rotates from the horizontal working state to the vertical folding state, the sliding end of the diagonal brace 7 slides from one end of the diagonal brace sliding groove 301 away from the table mounting piece 2 to the other end, meanwhile, the hinged end of the diagonal brace 7 rotates on the diagonal brace hinge shaft 8, until the table 3 rotates to the vertical folding state, the table 3 interferes with the hinge shaft mounting lugs 202 and cannot continue to rotate, and the diagonal brace 7 is positioned in a diagonal brace yielding area between the two table hinge shafts 6.
As shown in fig. 3 to 5, the table 3 can move back and forth along the table hinge shaft 6, and the diagonal brace 7 can move back and forth along the diagonal brace hinge shaft 8 along the table 3, so that the table 3 can adjust the position back and forth, and the use is more convenient and flexible. Because the space inside the armrests is limited, the size of the mounting box 1 is limited, when the desk plate 3 is in a vertical folding state, the centers of the desk plate 3 and the desk plate mounting piece 2 need to be aligned as much as possible, so that the desk plate 3 can be accurately stored in the mounting box 1, the inclined support positioning device 9 is arranged to solve the problem, the inclined support positioning device 9 is a spring top bead (the spring top bead is in the prior art and comprises a shell, a spring and steel balls) arranged on the desk plate mounting piece 2, an annular groove 701 coaxial with an inclined support hinge shaft 8 is arranged at the center of the hinge end of the inclined support 7, the spring top bead is positioned below the inclined support 7, the steel balls of the spring top bead are abutted with the inclined support 7, the spring of the spring top bead is always in a compressed state, when a passenger slides the desk plate 3 and drives the inclined support 7 to move to an intermediate position along the inclined support hinge shaft 8, the steel balls of the spring top bead are just embedded into the annular groove 701 under the action of spring return force, and an obvious click sound is generated, at the moment, the centers of the desk plate 3 and the desk plate mounting piece 2 are just aligned with the inclined support hinge shaft 6, and the desk plate 3 can be accurately folded in the folding state after the desk plate 3 is aligned with the inclined support hinge shaft 6, and the desk plate 3 is accurately stored in the folding region.
As shown in fig. 1 to 4, the table plate 3 is a foldable combined table plate, and passengers can adjust the length of the table plate 3 according to the use requirement, so that the table plate is very convenient and flexible.
As shown in fig. 1 to 4, two symmetrical vertical sliding rails 12 are provided on the side wall of the box body 101, and the table mounting member 2 is fixed on the sliding blocks of the two vertical sliding rails 12, so as to realize up-and-down sliding. The middle part of the desk plate mounting piece 2 is provided with a rectangular protruding part 203 protruding towards the side wall close to the box body 101, two sides of the rectangular protruding part 203 are provided with a sliding rail sliding groove for embedding a vertical sliding rail 12 and a sliding block mounting groove for embedding a sliding block of the vertical sliding rail 12, a movable part 402 of the automatic elastic ball latch 4 is mounted in a reverse groove naturally formed by the rectangular protruding part 203, the thickness of the desk plate mounting piece 2 can be reduced by the structure of the desk plate mounting piece 2, the desk plate mounting piece is suitable for mounting the box 1, the structure is more compact, and interference between the movable part 402 of the automatic elastic ball latch 4 and a side sealing cover 102 in the sliding process is avoided; the uniform gear 10 is arranged on the rectangular protruding portion 203, a rack mounting hole is formed in the side wall of the box body 101, the rack 11 is arranged on the hole wall of the rack mounting hole, and the rack 11 can be directly machined on the hole wall of the rack mounting hole, so that the overall thickness of the mounting box 1 can be effectively reduced, and the mounting box is suitable for a seat armrest.