Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above and/or other problems with existing truck seats.
The problem to be solved by the present invention is therefore how to make a truck seat convenient for people to sleep.
In order to solve the technical problems, the invention provides the following technical scheme: a mechanical rotary seat comprises a seat unit and a rotary mechanism, wherein the seat unit comprises a horizontally arranged cushion, a backrest which is matched with the cushion in a rotary mode, and an adjusting piece which is matched with the cushion and the backrest; the lifting unit is arranged below the seat unit and comprises a disc arranged below the seat cushion, a first connecting column and a second connecting column which are arranged between the seat cushion and the disc in parallel, a first connecting rod respectively hinged with the bottom surface of the seat cushion and the first connecting column, a second connecting rod respectively hinged with the bottom surface of the seat cushion and the second connecting column, a third connecting rod respectively hinged with the first connecting column and the disc, a fourth connecting rod respectively hinged with the second connecting column and the disc, a tightening piece longitudinally arranged and matched with the first connecting column and the second connecting column, and a fixing piece for fixing the disc; and the rotating unit is arranged below the lifting unit and comprises a base arranged below the disc, a connecting shaft fixedly connected with the circle center of the disc, a worm wheel matched with the connecting shaft, a worm matched with the worm wheel and a motor matched with the worm wheel.
As a preferable aspect of the mechanical swivel seat of the present invention, wherein: one end of the cushion is provided with a first hole, the bottom end of the backrest is provided with a first cylinder matched with the first hole, and the first cylinder is provided with first teeth.
As a preferable aspect of the mechanical swivel seat of the present invention, wherein: the adjusting part comprises a cover fixedly connected with the side face of the cushion, a clockwork spring fixedly connected with the inner side face of the cover and matched with the first cylinder, a pull rod arranged in the cover and matched with the cover, and an extension spring connected with the bottom face of the pull rod and the cover, wherein the pull rod is provided with a second tooth matched with the first tooth.
As a preferable aspect of the mechanical swivel seat of the present invention, wherein: the cushion bottom still be provided with the first articulated bearing of head rod complex, and with second connecting rod complex second articulated bearing, the disc top be provided with third connecting rod complex third articulated bearing, and with fourth connecting rod complex fourth articulated bearing.
As a preferable aspect of the mechanical swivel seat of the present invention, wherein: the first connecting rod and the second connecting rod are arranged in a crossed mode, and the third connecting rod and the fourth connecting rod are arranged in a crossed mode.
As a preferable aspect of the mechanical swivel seat of the present invention, wherein: the lifting unit further comprises a fifth connecting rod and a sixth connecting rod, one end of the fifth connecting rod is hinged with the first connecting column, and the other end of the fifth connecting rod is hinged with the second connecting rod; one end of the sixth connecting rod is hinged to the second connecting column, and the other end of the sixth connecting rod is hinged to the third connecting rod.
As a preferable aspect of the mechanical swivel seat of the present invention, wherein: the tightening piece comprises a cylinder longitudinally fixed on the second connecting column, a threaded rod matched with the cylinder, and a handle fixedly connected with the threaded rod; the cylinder is internally provided with threads.
As a preferable aspect of the mechanical swivel seat of the present invention, wherein: the fixing piece comprises a limiting cylinder detachably connected to the base and a limiting ring arranged below the disc and detachably connected with the base; the disc is arranged in the limiting cylinder, and the limiting ring supports the disc.
As a preferable aspect of the mechanical swivel seat of the present invention, wherein: the limiting cylinder is characterized in that a limiting part is arranged at the top end of the limiting cylinder, and a roller is arranged on the limiting ring.
As a preferable aspect of the mechanical swivel seat of the present invention, wherein: the seat unit further comprises a support piece, wherein the support piece comprises a sliding rail fixed on the bottom surface of the cushion, an end cover matched with one end of the sliding rail, and a triangular support matched with the sliding rail.
The seat has the beneficial effects that the seat can rotate for 360 degrees through the matching of the worm and the worm gear; the seat can be adjusted in a lifting way through the lifting unit; the backrest of the chair can rotate, so that the backrest and the cushion can be parallel, and people can sleep conveniently.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1, a first embodiment of the present invention provides a mechanical swivel seat including a seat unit 100, a lifting unit 200, and a swivel unit 300. The lifting unit 200 is disposed below the seating unit 100, and the rotating unit 300 is disposed below the lifting unit 200. The seat rotates 360 degrees through the rotating unit 300, and the seat is lifted and lowered through the lifting unit; the backrest of the chair can rotate, so that the backrest and the cushion can be parallel, and people can sleep conveniently.
For convenience of explanation, the present specification defines that the seat has three orthogonal directions in a three-dimensional space, namely, a horizontal direction, a longitudinal direction and a vertical direction, wherein the longitudinal direction is a direction in which a person normally sits on the seat and faces, the horizontal direction is a direction perpendicular to the longitudinal direction on a horizontal plane, and the vertical direction is a vertical direction. The front or rear in this specification means the front or rear when a person normally sits on the seat, and the left or right means the left or right direction when a person normally sits on the seat.
Specifically, the seat unit 100 includes a horizontally disposed seat cushion 101, a seatback 102 rotatably engaged with the seat cushion 101, and an adjuster 103 engaged with the seat cushion 101 and the seatback 102. The seat cushion 101 comprises a seat cushion framework and a soft seat cushion, the backrest 102 protects the backrest framework and the soft backrest cushion, the backrest 102 can rotate relative to the seat cushion 101, the adjusting piece 103 limits the backrest 102 and can control whether the backrest 102 can rotate or not, and the adjusting piece 103 can adopt an adjusting mechanism of the seat cushion in the prior art in the embodiment.
The lifting unit 200 comprises a disc 201 arranged below the seat cushion 101, a first connecting column 202 and a second connecting column 203 which are arranged between the seat cushion 101 and the disc 201 in parallel, first connecting rods 204 which are hinged to the bottom surface of the seat cushion 101 and the first connecting column 202 respectively, second connecting rods 205 which are hinged to the bottom surface of the seat cushion 101 and the second connecting column 203 respectively, third connecting rods 206 which are hinged to the first connecting column 202 and the disc 201 respectively, fourth connecting rods 207 which are hinged to the second connecting column 203 and the disc 201 respectively, tightening pieces 208 which are longitudinally arranged and matched with the first connecting column 202 and the second connecting column 203, and a fixing piece 209 for fixing the disc 201. The first connecting column 202 and the second connecting column 203 are transversely arranged, the first connecting column 202 is in front, and the second connecting column 203 is in back. The first connecting rod 204 and the second connecting rod 205 are arranged crosswise, and the third connecting rod 206 and the fourth connecting rod 207 are arranged crosswise. The positions of the middle parts of the first connecting column 202 and the second connecting column 203 are provided with holes, the screwing piece 208 penetrates through the holes, the distance between the first connecting column 202 and the second connecting column 203 can be pulled in or kept away, specifically, the rope can be used for connecting the first connecting column 202 and the second connecting column 203, and the rope can be tied well after the distance is determined. The fixing member 209 prevents the disc 201 from being displaced, but does not restrict the disc 201 from rotating.
The rotating unit 300 comprises a base 301 arranged below the disc 201, a connecting shaft 302 fixedly connected with the circle center of the disc 201, a turbine 303 matched with the connecting shaft 302, a worm 304 matched with the turbine 303, and a motor 305 matched with the worm 304, wherein the fixing piece 209 is fixed on the base 301, the connecting shaft 302 is vertically arranged, the bottom end of the connecting shaft is connected with the turbine 303, the motor 305 is fixed on the base 301, the disc 201 is driven to rotate through a worm gear, and the worm gear has self-locking performance due to the characteristics of the worm gear.
In summary, the backrest 102 and the seat cushion 101 are rotatably matched, the backrest 102 can rotate to be parallel to the seat cushion 101, then the position of the backrest 102 is fixed through the adjusting piece 103, the first connecting column 202 and the second connecting column 203 are arranged below the seat cushion 101, the first connecting rod 204 and the second connecting rod 205 are hinged between the first connecting column 202 and the second connecting column 203, the disc 201 is arranged below the first connecting column 202 and the second connecting column 203, the third connecting rod 206 and the fourth connecting rod 207 are hinged between the first connecting column 202 and the second connecting column 203, the tightening piece 208 can enable the first connecting column 202 and the second connecting column 203 to be pulled in or away, the base 301 is arranged below the disc 201, the motor 305 is fixed on the base 301, the turbine 303 is matched with the connecting shaft 302 fixed on the bottom surface of the disc 201, and the fixing piece 209 is detachably connected with the base.
When the seat is used, the high-low position of the seat can be adjusted through the tightening piece 208 when sleeping is not needed at ordinary times, the seat steering is adjusted through the motor 305, for example, a passenger can rotate a certain angle to face a driver, and the angle of the backrest 102 is adjusted through the adjusting piece 103. When sleeping is needed, the seat is lifted to a certain position, then the motor 305 is turned on to enable the seat to rotate until a certain angle is suitable for sleeping, then the backrest 102 is rotated to be parallel to the cushion 101 and fixed by the adjusting piece 103, and then the user can lie on the seat to sleep.
Example 2
Referring to fig. 2 to 7, a second embodiment of the present invention is different from the first embodiment in that: also includes a number of structures. In the above embodiment, the mechanical swivel seat includes a seat unit 100, a lifting unit 200, and a swivel unit 300. The lifting unit 200 is disposed below the seating unit 100, and the rotating unit 300 is disposed below the lifting unit 200. The seat rotates 360 degrees through the rotating unit 300, and the seat is lifted and lowered through the lifting unit; the backrest of the chair can rotate, so that the backrest and the cushion can be parallel, and people can sleep conveniently.
Specifically, the seat unit 100 includes a horizontally disposed seat cushion 101, a seatback 102 rotatably engaged with the seat cushion 101, an adjuster 103 engaged with the seat cushion 101 and the seatback 102, and a support 104. The seat cushion 101 comprises a seat cushion framework and a flexible seat cushion, the backrest 102 protects the backrest framework and the flexible backrest cushion, one end of the seat cushion 101 is provided with a first hole 101a, the bottom end of the backrest 102 is provided with a first cylinder 102a matched with the first hole 101a, and the right first cylinder 102a is provided with a first tooth 102 a-1. The adjusting member 103 comprises a cover 103a fixedly connected with the side of the seat cushion 101, a spiral spring 103b fixedly connected with the inner side of the cover 103a and matched with the first cylinder 102a, a pull rod 103c arranged in the cover 103a and matched with the cover 103a, and an extension spring 103d connecting the bottom surface of the pull rod 103c with the cover 103a, wherein the pull rod 103c is provided with a second tooth 103c-1 matched with the first tooth 102a-1, the spiral spring 103b is arranged to have the function of 'returning' to the backrest 102, that is, the spiral spring 103b can make the included angle between the backrest 102 and the seat cushion smaller under the condition of not receiving other force, the first tooth 102a-1 is meshed with the second tooth 103c-1, the pull rod 103c is connected with the inner side of the cover 103a through a cylinder, the cylinder is rotationally connected with the upper end of the pull rod 103c, that when the pull rod 103c is pulled upwards, the second tooth 103c-1 is separated from the first tooth 102a, the backrest 102 is rotatable, and when the pull rod 103c is released, the pull rod 103c is moved downward by the extension spring 103d, the first tooth 102a-1 and the second tooth 103c-1 are re-engaged, and the backrest 102 is fixed. The bottom end of the seat cushion 101 is further provided with a first articulated support 101b cooperating with the first connecting rod 204 and a second articulated support 101c cooperating with the second connecting rod 205, and the top end of the disc 201 is provided with a third articulated support 201a cooperating with the third connecting rod 206 and a fourth articulated support 201b cooperating with the fourth connecting rod 207. The supporting member 104 includes a sliding rail 104a fixed on the bottom surface of the seat cushion 101, an end cover 104b engaged with one end of the sliding rail 104a, and a triangular support 104c engaged with the sliding rail 104b, wherein a limiting block is disposed at an end of the triangular support 104c close to the sliding rail 104b, the limiting block limits the triangular support 104c from sliding out of the sliding rail 104b, the sliding rail 104b is provided with a sliding groove engaged with the limiting block, and the sliding groove has only one section and does not penetrate through the sliding rail 104 b.
The lifting unit 200 comprises a disc 201 arranged below the seat cushion 101, a first connecting column 202 and a second connecting column 203 which are arranged between the seat cushion 101 and the disc 201 in parallel, first connecting rods 204 which are hinged to the bottom surface of the seat cushion 101 and the first connecting column 202 respectively, second connecting rods 205 which are hinged to the bottom surface of the seat cushion 101 and the second connecting column 203 respectively, third connecting rods 206 which are hinged to the first connecting column 202 and the disc 201 respectively, fourth connecting rods 207 which are hinged to the second connecting column 203 and the disc 201 respectively, tightening pieces 208 which are longitudinally arranged and matched with the first connecting column 202 and the second connecting column 203, a fixing piece 209 for fixing the disc 201, a fifth connecting rod 210 and a sixth connecting rod 211. The first connecting column 202 and the second connecting column 203 are transversely arranged, the first connecting column 202 is in front, and the second connecting column 203 is in back. The first connecting rod 204 and the second connecting rod 205 are arranged crosswise, and the third connecting rod 206 and the fourth connecting rod 207 are arranged crosswise. One end of the fifth connecting rod 210 is hinged with the first connecting column 202, and the other end is hinged with the second connecting rod 205; one end of the sixth connecting rod 211 is hinged to the second connecting column 203, and the other end is hinged to the third connecting rod 206. The fifth connecting rod 210 and the sixth connecting rod 211 are for increasing the supporting capacity of the supporting unit 200, and each of the first connecting column 202 and the second connecting column 203 is provided with a hole through which a tightening member 208 passes to draw in or separate the distance between the first connecting column 202 and the second connecting column 203, and the tightening member 208 includes a cylinder 208a longitudinally fixed to the second connecting column 203, a threaded rod 208b engaged with the cylinder 208a, and a handle 208c fixedly connected with the threaded rod 208 b; the cylinder 208a is internally threaded and the distance between the first and second connection posts 202 and 203 can be pulled in or away by means of the threaded rod 208 b. The fixing member 209 prevents the disc 201 from being displaced, but does not restrict the disc 201 from rotating. The fixing piece 209 comprises a limiting cylinder 209a detachably connected to the base 301 and a limiting ring 209b arranged below the disc 201 and detachably connected with the base 301; the disc 201 is arranged inside the limiting cylinder 209a, the limiting ring 209b supports the disc 201, the top end of the limiting cylinder 209a is provided with a limiting part 209a-1, the limiting ring 209b is provided with a roller 209b-1, the limiting cylinder 209a limits the horizontal displacement of the disc 201, the limiting part 209a-1 and the limiting ring 209b limit the vertical displacement of the disc 201, and the roller 209b-1 is arranged to reduce friction.
The rotating unit 300 comprises a base 301 arranged below the disc 201, a connecting shaft 302 fixedly connected with the circle center of the disc 201, a turbine 303 matched with the connecting shaft 302, a worm 304 matched with the turbine 303, and a motor 305 matched with the worm 304, wherein the fixing piece 209 is fixed on the base 301, the connecting shaft 302 is vertically arranged, the bottom end of the connecting shaft is connected with the turbine 303, the motor 305 is fixed on the base 301, the disc 201 is driven to rotate through a worm gear, and the worm gear has self-locking performance due to the characteristics of the worm gear.
Further, when the height of the seat back 102 is made, the seat back 102 of the driver's seat and the passenger's seat can be just butted when being horizontal, so that the driver's seat and the passenger's seat can be connected together, and the sleeping is more comfortable.
In summary, the backrest 102 and the seat cushion 101 are rotationally engaged, and the backrest 102 can be rotated to be parallel to the seat cushion 101, then the position of the backrest 102 is fixed by the adjusting member 103, the first connecting post 202 and the second connecting post 203 are arranged below the seat cushion 101, and a first connecting rod 204, a second connecting rod 205 and a five connecting rod 210 are hinged among the connecting rods, a disc 201 is arranged below the first connecting column 202 and the second connecting column 203, a third connecting rod 206, a fourth connecting rod 207 and a sixth connecting rod 211 are hinged among the first connecting rod, the first connecting rod 202 and the second connecting rod 203 can be pulled in or far away by a tightening piece 208, a base 301 is arranged below the disc 201, a motor 305 is fixed on the base 301, a turbine 303 is matched with a connecting shaft 302 fixed on the bottom surface of the disc 201, a fixing piece 209 is detachably connected with the base 301 and enables the spatial position of the disc 201 to be fixed, a support 104 is also provided on the bottom surface of the seat cushion 101 to assist in supporting the seat back 102 when it is parallel to the seat cushion 101.
When the seat is used, the high-low position of the seat can be adjusted through the tightening piece 208 when sleeping is not needed at ordinary times, the seat steering is adjusted through the motor 305, for example, a passenger can rotate a certain angle to face a driver, and the angle of the backrest 102 is adjusted through the adjusting piece 103. When sleeping is needed, the seat is lifted to a certain position, then the motor 305 is started to rotate the seat until a certain angle is suitable for sleeping, the triangular supports 104c slide out, then the backrest 102 is rotated to be parallel to the seat cushion 101 and is fixed by the adjusting piece 103, the backrest 102 is supported under the combined action of the adjusting piece 103 and the triangular supports 104c, and then the user can lie on the seat for sleeping.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.