阅读说明：本技术 一种能够在水平方向360度旋转的新式跷跷板 (Novel seesaw capable of rotating 360 degrees in horizontal direction ) 是由 池香娥 于 2020-05-14 设计创作，主要内容包括：本发明公开了一种能够在水平方向360度旋转的新式跷跷板。主要特点是：前支架的后端面上部与后支架的前端面上部所形成的空间内设有能够使两人对坐两端轮流用脚蹬地、使一端跷起另一端下落如此反复游戏的跷板,前支架的下部后端一体结构的前连接板的圆弧后端面与能够水平方向360°旋转的旋转座的圆弧前端面的上端牢固焊接在一起,后支架的下部前端一体结构的后连接板的圆弧前端面与能够水平方向360°旋转的旋转座的圆弧后端面的上端牢固焊接在一起。本发明能够在做一端跷起另一端下落的跷跷板游戏的同时在水平方向360度旋转,极大地提高了做跷跷板游戏的趣味性,同时能够消除跷板跷起或下落时产生的碰撞力,提高游戏的舒适度。(The invention discloses a novel seesaw capable of rotating 360 degrees in the horizontal direction. The main characteristics are that: the space formed by the upper part of the rear end face of the front support and the upper part of the front end face of the rear support is internally provided with a seesaw which can enable two people to sit opposite ends to alternately use a pedal to enable one end to raise and the other end to fall for repeated game, the circular arc rear end face of the front connecting plate of the lower part rear end integrated structure of the front support is firmly welded with the upper end of the circular arc front end face of the rotary seat capable of rotating 360 degrees in the horizontal direction, and the circular arc front end face of the rear connecting plate of the lower part front end integrated structure of the rear support is firmly welded with the upper end of the circular arc rear end face of the rotary seat capable of rotating 360 degrees in. The invention can rotate 360 degrees in the horizontal direction while playing a seesaw game with one end seesawing and the other end falling, greatly improves the interestingness of playing the seesaw game, can eliminate the collision force generated when the seesaw is seesawed or falls, and improves the comfort level of the game.)

1. The utility model provides a can be at 360 degrees new-type seesaws of rotation of horizontal direction, by seesaw (1), compression spring A (4), go up bedplate (7), round pin axle (8), compression spring B (12), compression spring C (19), lower bedplate (22), after-poppet (23), nut A (25), spring washer (26), plain washer (27), roating seat (31), fixing base (36), rag bolt (38), frame bedplate (40), nut B (41), frame (43), pivot (44), thrust ball bearing (51), compression spring D (55), nut C (62) and fore-stock (65) constitute, its characterized in that: a seesaw (1) which can enable two persons to sit opposite to each other and enable one end to be lifted up and the other end to fall down to play repeatedly is arranged in a space (3) formed by the upper portion of the rear end face of a front support (65) and the upper portion of the front end face of a rear support (23), the circular arc rear end face of a front connecting plate (66) of a lower portion rear end integrated structure of the front support (65) is firmly welded with the upper end of the circular arc front end face of a rotary seat (31) capable of rotating 360 degrees in the horizontal direction, the circular arc front end face of a rear connecting plate (67) of a lower portion front end integrated structure of the rear support (23) is firmly welded with the upper end of the circular arc rear end face of the rotary seat (31) capable of rotating 360 degrees in the horizontal direction, and the seesaw (1) can rotate 360 degrees in the horizontal direction while playing a seesaw game with one end lifting up and.

2. A novel seesaw capable of 360 degree rotation in the horizontal direction as claimed in claim 1, wherein: the rotary seat (31) is cylindrical and made of No. 45 steel, and a first circular through hole (28), a first circular concave hole (29), a second circular concave hole (32) and a third circular concave hole (34) which are communicated with each other are respectively arranged on the central axis of the rotary seat (31) from top to bottom;

a thrust ball bearing (51) is arranged in the second round concave hole (32) of the rotating seat (31), and the thrust ball bearing (51)

The outer diameter of the seat ring (52) at the upper end is in transition fit with the second round concave hole (32), and the inner diameter A (30) of the seat ring (52) of the thrust ball bearing (51) is in movable fit with an upper shaft neck (50) of the upper end integrated structure of the rotating shaft (44);

the outer diameter of a shaft ring (49) at the lower end of the thrust ball bearing (51) is movably matched with the second round concave hole (32), and the inner diameter B (33) of the shaft ring (49) of the thrust ball bearing (51) is in transition fit with an upper journal (50) of an integrated structure at the upper end of the rotating shaft (44);

a first screw rod (24) of an integrated structure at the upper end of an upper journal (50) of the rotating shaft (44) penetrates through a first round through hole (28) on the central axis of a round seat bottom plate of an integrated structure at the upper end of the rotating seat (31), an inner hole of a flat gasket (27) and an inner hole of a spring gasket (26) and then is locked with a nut A (25), so that an outer end circumference of the upper end face of a seat ring (52) of a thrust ball bearing (51) is pressed with the bottom surface of an annular hole of a second round concave hole (32), an inner ring circumference of the lower end face of a shaft ring (49) of the thrust ball bearing (51) is pressed with the upper end face of a shaft shoulder (48) of an integrated structure at the lower end of the rotating shaft (44), and the thrust ball bearing (51) is installed in the second round concave hole (32) of the rotating seat (31);

the thrust ball bearing (51) is a 51000 type thrust ball bearing;

the nut A (25), the spring washer (26) and the flat washer (27) are standard parts;

a lower shaft neck (47) of a lower end integrated structure of a shaft shoulder (48) of the rotating shaft (44) is in static fit with a second circular through hole (46) on the central axis of the fixed seat (36), and a radial circumference at the tail end of the lower shaft neck (47) is firmly welded with the lower end face of a circular seat column (45) at the lower end of the fixed seat (36);

the rotating shaft (44) is made of No. 45 steel;

the fixed seat (36) is formed by an integral structure of a round seat plate (35) with a larger diameter at the upper end and a round seat column (45) with a smaller diameter at the lower end and is made of No. 45 steel;

the circular seat column (45) of the fixed seat (36) is in transition fit with the upper end of the inner hole of the cylindrical rack (43), and the radial outer end periphery of the lower end face of the circular seat column (45) is firmly welded with the wall face of the inner hole at the upper end of the rack (43);

the rack (43) is made of seamless steel tubes, the outer diameter of the rack (43) is the same as that of the circular seat plate (35) of the fixed seat (36), and the outer diameter of the rack (43) and that of the circular seat plate (35) of the fixed seat (36) are movably matched with a third circular concave hole (34) at the lower end of the central axis of the rotating seat (31);

the rack (43) is arranged in the center of the upper end face of the rectangular rack seat plate (40), and the hole wall face circumference at the tail end of the lower end of the rack (43) and the outer diameter circumference at the tail end of the lower end are firmly welded with the upper end face of the rack seat plate (40);

mounting holes (39) at the front, rear, left and right corners of the rack seat plate (40) are respectively in movable fit with bolt rods of an integrated structure at the lower parts of second screw rods (42) at the upper ends of 4 foundation bolts (38) pre-embedded on the base (37), the second screw rods (42) at the upper ends of the 4 foundation bolts (38) are respectively screwed with nuts B (41), the rack seat plate (40) is locked on the base (37), and the novel seesaw is mounted on the base (37);

the frame seat plate (40) is made of Q345 steel plates, the foundation bolts (38) are made of No. 45 steel, the base (37) is formed by pouring concrete, and the nuts B (41) are standard parts.

3. A novel seesaw capable of 360 degree rotation in the horizontal direction as claimed in claim 1, wherein: an upper seat plate (7) and a lower seat plate (22) for limiting the seesaw height or the falling height of any end of the seesaw (1) are respectively arranged at the upper end and the lower end in the middle of the length of the seesaw (1), an upper left round concave hole (6) and an upper right round concave hole (10) with downward openings are respectively arranged at the centers of the front length and the rear length of an upper left inclined surface (5) and an upper right inclined surface (11) of the upper seat plate (7), a compression spring A (4) and a compression spring B (12) for eliminating the collision force generated when any end of the seesaw (1) collides with the upper left inclined surface (5) or the upper right inclined surface (11) when the seesaw is in the highest position are respectively arranged in the upper left round concave hole (6) and the upper right round concave hole (10), a lower left round concave hole (53) and a lower right concave hole (21) with upward openings are respectively arranged at the centers of the front length and the rear length of a lower left inclined surface (54) and a lower right inclined surface (20), a compression spring D (55) and a compression spring C (19) which are used for eliminating the collision force generated when any end of the seesaw (1) collides with the lower left inclined plane (54) or the lower right inclined plane (20) when falling to the lowest position are respectively arranged in the lower left circular concave hole (53) and the lower right circular concave hole (21);

the seesaw (1) is composed of a left seesaw (56) at the left end, a left seat (58), a left armrest frame (61), a middle transverse shaft (2), a right seesaw (18) at the right end, a right seat (17) and a right armrest frame (13), the right end face of the left seesaw (56) is firmly welded with the arc left end face of the transverse shaft (2), the left end face of the right seesaw (18) is firmly welded with the arc right end face of the transverse shaft (2), the left seesaw (56) and the right seesaw (18) are symmetrical left and right and are completely identical in shape and size, after welding, the upper end face of the left seesaw (56) and the upper end face of the right seesaw (18) are on the same plane, and the total length of the welded seesaw (1) is 2000-2200 mm;

a central hole (9) is formed in the central axis of the transverse shaft (2), a pin shaft (8) is arranged in the central hole (9), a third screw (63) at the front end of the pin shaft (8) penetrates through a rear pin hole (68) in the upper part of the rear support (23), the central hole (9) of the transverse shaft (2) and a front pin hole (64) in the upper part of the front support (65) and then is screwed with a nut C (62), and the seesaw (1) is erected in a space (3) formed by the upper part of the rear end face of the front support (65) and the upper part of the front end face of the rear support (23);

the included angle a of any end of the seesaw (1) from the horizontal position to the highest position or from the horizontal position to the lowest position is 18-22 degrees;

when the left end of the seesaw (1) falls to the lowest position from the horizontal position, the vertical distance between the lower end surface of the left end tail end of the left seesaw (56) of the seesaw (1) and the ground is 350-500 mm, and when the right end of the seesaw (1) falls to the lowest position from the horizontal position, the vertical distance between the lower end surface of the right end tail end of the right seesaw (18) of the seesaw (1) and the ground is 350-500 mm;

the left end tail end of the upper end face of the left seesaw (56) is provided with a left seat (58), the front end and the rear end of the upper part of a chair back A (57) of the left seat (58) are respectively provided with a half insertion end or a half buckling end of a plug-in buckle type safety belt A (59), the left end of the half insertion end or the half buckling end of the safety belt A (59) is respectively locked with the front end and the rear end of the upper part of the chair back A (57) by screws, and a seat plate at the lower end of the left seat (58) is locked with the left end tail end of the upper end face of the left seesaw (56) by 4 screws;

the right end of a left seat (58) of the left seesaw (56) is provided with a left armrest frame (61), the upper end of the left armrest frame (61) is provided with an upper armrest (60) and a lower armrest (60) which are transverse, and the lower ends of the front end and the rear end of the left armrest frame (61) are respectively and firmly welded with the front end surface and the rear end surface of the left seesaw (56);

the right end of the right end face of the right seesaw (18) is provided with a right seat (17), the front end and the rear end of the upper part of a chair back B (16) of the right seat (17) are respectively provided with a half insertion end or a half buckling end of a buckle type safety belt B (15), the right end of the half insertion end or the half buckling end of the safety belt B (15) is respectively locked with the front end and the rear end of the upper part of the chair back B (16) by screws, and a seat plate at the lower end of the right seat (17) is locked with the right end of the upper end face of the right seesaw (18) by 4 screws;

the left end of a right seat (17) of the right seesaw (18) is provided with a right armrest frame (13), the upper end of the right armrest frame (13) is provided with an upper right armrest (14) and a lower right armrest (14) which are transverse, and the lower ends of the front end and the rear end of the right armrest frame (13) are respectively and firmly welded with the front end surface and the rear end surface of the right seesaw (18);

the left seat (58) and the right seat (17) are completely the same in shape, structure and size;

the shape, structure and size of the left armrest frame (61) and the right armrest frame (13) are completely the same;

the shape, structure and size of the safety belt A (59) and the safety belt B (15) are completely the same;

the left seesaw (56) and the right seesaw (18) are made of rectangular galvanized steel pipes of 60 × 160 × 5, the transverse shaft (2) is made of Q235 round steel, the pin shaft (8) is made of No. 45 steel, the left seat (58) and the right seat (17) are made of engineering plastics through injection molding, the left handrail frame (61) and the right handrail frame (13) are made of zinc-plated pipes of an inch, and the nut C (62) is a standard part;

the front end face of the upper seat plate (7) is firmly welded with the top of the rear end face of the front bracket (65), and the rear end face of the upper seat plate (7) is firmly welded with the top of the front end face of the rear bracket (23);

the front end face of the lower seat plate (22) is firmly welded with the upper part of the rear end face of the front bracket (65), and the rear end face of the lower seat plate (22) is firmly welded with the upper part of the front end face of the rear bracket (23);

the inclination angle b of the upper left inclined plane (5) and the upper right inclined plane (11) of the upper seat plate (7) and the lower left inclined plane (54) and the lower right inclined plane (20) of the lower seat plate (22) is 18-22 degrees, and is the same as the included angle a when any end of the seesaw (1) falls from the horizontal position to the highest position or from the horizontal position to the lowest position;

the central line of an upper left round concave hole (6) of the upper seat plate (7) is vertical to an upper left inclined plane (5) of the upper seat plate (7), and the central line of an upper right round concave hole (10) of the upper seat plate (7) is vertical to an upper right inclined plane (11) of the upper seat plate (7);

the upper end surface of a compression spring A (4) in an upper left round concave hole (6) of the upper seat plate (7) is firmly welded with the bottom surface of the upper end of the upper left round concave hole (6);

the upper end surface of a compression spring B (12) in an upper right circular concave hole (10) of the upper seat plate (7) is firmly welded with the bottom surface of the upper end of the upper right circular concave hole (10);

the center line of a lower left concave hole (53) of the lower seat plate (22) is vertical to a lower left inclined plane (54) of the lower seat plate (22), and the center line of a lower right concave hole (21) of the lower seat plate (22) is vertical to a lower right inclined plane (20) of the lower seat plate (22);

the lower end surface of a compression spring D (55) in a lower left round concave hole (53) of the lower seat plate (22) is firmly welded with the bottom surface of the lower end of the lower left round concave hole (53);

the lower end surface of a compression spring C (19) in a lower right circular concave hole (21) of the lower seat plate (22) is firmly welded with the bottom surface of the lower end of the lower right circular concave hole (21);

the upper seat plate (7) and the lower seat plate (22) are cast by cast steel ZG230-450, the front bracket (65) and the rear bracket (23) are made of Q345 steel plates, and the compression spring A (4), the compression spring B (12), the compression spring C (19) and the compression spring D (55) are made of 65Mn spring steel;

the screw is a standard component.

Technical Field

The invention relates to the technical field of game tools, in particular to a novel seesaw capable of rotating 360 degrees in the horizontal direction.

Background

The traditional seesaw is characterized in that a transverse shaft is arranged in the middle of the lower end face of a long, narrow and thick wood board and then is erected on a support, two persons alternately step on the ground at two ends of the wood board to enable one end of the wood board to be raised and the other end of the wood board to fall down during playing, and thus the two persons play games repeatedly. The traditional seesaw can only do simple motions one above the other when used for playing games, and the purpose of playing games and enjoying music can be achieved, but the game action is monotonous and the interestingness is low.

The existing seesaw is made of steel instead, an upper transverse shaft is arranged on the lower end face in the middle of a round steel pipe or a square steel pipe, seats are welded on the upper end faces of two ends of the round steel pipe or the square steel pipe, then the seesaw is erected on a support, two persons sit on the seats at two ends in a butt mode during a game, one end of the seesaw is enabled to rise by stepping on the ground in turn, the other end of the seesaw falls, and the game is played repeatedly. The existing seesaw can only do simple motions one above the other when used for playing games, and the purpose of playing games and enjoying music can be achieved, but the problems of monotonous game action and low interestingness exist.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the novel seesaw can rotate 360 degrees in the horizontal direction, the seesaw can rotate 360 degrees in the horizontal direction when playing a seesaw game with one end lifting and the other end falling, interestingness of playing the seesaw is greatly improved, collision force generated when the seesaw lifts or falls can be eliminated, the buttocks and the waist cannot be collided, and comfort level of playing the seesaw is improved.

The technical scheme of the invention is as follows: the novel seesaw capable of rotating 360 degrees in the horizontal direction is formed by a seesaw, a compression spring A, an upper seat plate, a pin shaft, a compression spring B, a compression spring C, a lower seat plate, a rear support, a nut A, a spring washer, a flat washer, a rotating seat, a fixed seat, a foundation bolt, a frame seat plate, a nut B, a frame, a rotating shaft, a thrust ball bearing, a compression spring D, a nut C and a front support, wherein a seesaw capable of enabling two persons to sit opposite to each other with pedals in turn and enabling one end to rise and the other end to fall in a repeated game is arranged in a space formed by the upper part of the rear end surface of the front support and the upper part of the front end surface of the rotating seat capable of rotating 360 degrees in the horizontal direction, the circular arc rear end surface of the front connecting plate of the lower-part rear-end integrated structure of the front support and the upper part of the circular arc rear end surface of the rotating seat capable of rotating 360 degrees in the horizontal direction are firmly welded together, and the circular arc front end Together, the seesaw can be rotated 360 degrees in the horizontal direction while playing a seesaw game in which one end is seesawed and the other end is dropped.

The rotary seat is cylindrical and made of No. 45 steel, and a first circular through hole, a first circular concave hole, a second circular concave hole and a third circular concave hole which are communicated with each other are respectively arranged on the central axis of the rotary seat from top to bottom.

The second round concave hole of the rotating seat is internally provided with a thrust ball bearing, the outer diameter of a seat ring at the upper end of the thrust ball bearing is in transition fit with the second round concave hole, and the inner diameter A of the seat ring of the thrust ball bearing is in movable fit with an upper journal of an upper end integrated structure of the rotating shaft.

The outer diameter of a shaft ring at the lower end of the thrust ball bearing is in movable fit with the second round concave hole, and the inner diameter B of the shaft ring of the thrust ball bearing is in transition fit with an upper shaft neck of the upper end integrated structure of the rotating shaft.

The first screw rod of the upper end integrated structure of the upper shaft neck of the rotating shaft penetrates through a first round through hole in the central axis of the circular seat bottom plate of the upper end integrated structure of the rotating seat, an inner hole of a flat washer and an inner hole of a spring washer and then is locked together with a nut A, so that an outer end circumference of the upper end face of a seat ring of the thrust ball bearing is pressed together with the bottom surface of an annular hole of a second round concave hole, an inner ring circumference of the lower end face of a shaft ring of the thrust ball bearing is pressed together with the upper end face of a shaft shoulder of the lower end integrated structure of the rotating shaft, and the thrust ball bearing is installed in the second round concave hole of the rotating seat.

The thrust ball bearing is a 51000 type thrust ball bearing.

The nut A, the spring washer and the flat washer are standard parts.

The lower shaft neck of the lower end integrated structure of the shaft shoulder of the rotating shaft is in static fit with the second round through hole in the central axis of the fixing seat, and the radial circumference at the tail end of the lower shaft neck is firmly welded with the lower end face of the round seat column at the lower end of the fixing seat.

The rotating shaft is made of No. 45 steel.

The fixing seat is formed by a round seat plate with a larger diameter at the upper end and a round seat column with a smaller diameter at the lower end in an integrated structure and is made of No. 45 steel.

The circular seat column of the fixing seat is in transition fit with the upper end of the inner hole of the cylindrical rack, and the periphery of the radial outer end of the lower end face of the circular seat column is firmly welded with the wall face of the inner hole at the upper end of the rack.

The frame make by seamless steel pipe, the external diameter of frame is the same with the external diameter of the circle bedplate of fixing base, the external diameter of the frame and the external diameter of the circle bedplate of fixing base and the third circle shrinkage pool movable fit of the central axis lower extreme of roating seat.

The frame is arranged in the center of the upper end face of the rectangular frame seat plate, and the hole wall face circumference at the tail end of the lower end of the frame and the outer diameter circumference at the tail end of the lower end of the frame are firmly welded with the upper end face of the frame seat plate.

The mounting holes at the front, rear, left and right corners of the frame seat plate are respectively in movable fit with bolt rods of a lower part integrated structure of second screw rods at the upper ends of 4 foundation bolts embedded in the base, the second screw rods at the upper ends of the 4 foundation bolts are respectively screwed with nuts B, the frame seat plate is locked on the base, and the novel seesaw is mounted on the base.

The frame bedplate be made by Q345 steel sheet, rag bolt is made by 45 steel, and the base is formed by concrete placement, nut B is the standard component.

The upper and lower ends of the middle of the length of the seesaw are respectively provided with an upper seat plate and a lower seat plate which are used for limiting the seesaw height or the falling height of any end of the seesaw, the centers of the front and rear lengths of the upper left inclined plane and the upper right inclined plane of the upper seat plate are respectively provided with an upper left round concave hole and an upper right round concave hole with downward openings, the centers of the front and rear lengths of the upper left inclined plane and the upper right inclined plane of the upper seat plate are respectively provided with a compression spring A and a compression spring B which are used for eliminating the collision force generated when any end of the seesaw collides with the upper left inclined plane or the upper right inclined plane when reaching the highest position, the centers of the front and rear lengths of the lower left inclined plane and the lower right inclined plane of the lower seat plate are respectively provided with a lower left, and a compression spring D and a compression spring C which are used for eliminating the collision force generated when any end of the seesaw collides with the lower left inclined plane or the lower right inclined plane when falling to the lowest position are respectively arranged in the lower left circular concave hole and the lower right circular concave hole.

The seesaw comprises a left seesaw body at the left end, a left seat, a left armrest frame, a middle cross shaft, a right seesaw body at the right end, a right seat and a right armrest frame, wherein the right end face of the left seesaw body is firmly welded with the arc left end face of the cross shaft, the left end face of the right seesaw body is firmly welded with the arc right end face of the cross shaft, the left seesaw body and the right seesaw body are symmetrical left and right, the shape and the size are completely the same, after welding, the upper end face of the left seesaw body and the upper end face of the right seesaw body are on the same plane, and the total length of the welded seesaw body is 2000-2200 mm.

The center axis of the cross shaft is provided with a center hole, a pin shaft is arranged in the center hole, a third screw at the front end of the pin shaft penetrates through a rear pin hole in the upper part of the rear support, the center hole of the cross shaft and a front pin hole in the upper part of the front support and then is screwed with a nut C together, and the seesaw frame is arranged in a space formed by the upper part of the rear end face of the front support and the upper part of the front end face of the rear support.

The included angle a of any end of the seesaw from the horizontal position to the highest position or from the horizontal position to the lowest position is 18-22 degrees.

When the left end of the seesaw falls to the lowest position from the horizontal position, the vertical distance between the lower end face of the tail end of the left seesaw of the seesaw and the ground is 350-500 mm, and when the right end of the seesaw falls to the lowest position from the horizontal position, the vertical distance between the lower end face of the tail end of the right seesaw of the seesaw and the ground is 350-500 mm.

The left end of the upper end face of the left seesaw is provided with a left seat, the front end and the rear end of the upper part of the chair back A of the left seat are respectively provided with a half insertion end or a half buckling end of a buckle type safety belt A, the left end of the half insertion end or the half buckling end of the safety belt A is respectively locked with the front end and the rear end of the upper part of the chair back A by screws, and the seat plate at the lower end of the left seat is locked with the left end of the upper end face of the left seesaw by 4 screws.

The right end of the left seat of the left seesaw is provided with a left armrest frame, the upper end of the left armrest frame is provided with an upper transverse armrest and a lower transverse armrest, and the lower ends of the front end and the rear end of the left armrest frame are firmly welded with the front end surface and the rear end surface of the left seesaw respectively.

The right end of the upper end face of the right seesaw is provided with a right seat, the front end and the rear end of the upper part of the chair back B of the right seat are respectively provided with a half insertion end or a half buckling end of a buckle type safety belt B, the right end of the half insertion end or the half buckling end of the safety belt B is respectively locked with the front end and the rear end of the upper part of the chair back B by screws, and the seat plate at the lower end of the right seat is locked with the right end of the upper end face of the right seesaw by 4 screws.

The left end of the right seat of the right seesaw is provided with a right armrest frame, the upper end of the right armrest frame is provided with an upper right armrest and a lower right armrest which are transverse, and the lower ends of the front end and the rear end of the right armrest frame are respectively and firmly welded with the front end surface and the rear end surface of the right seesaw.

The left seat and the right seat are completely the same in shape, structure and size.

The shape, structure and size of the left armrest frame and the right armrest frame are completely the same.

The shape structure and the size of the safety belt A and the safety belt B are completely the same.

The left seesaw and the right seesaw are made of rectangular galvanized steel pipes of 60 × 160 × 5, the transverse shaft is made of Q235 round steel, the pin shaft is made of No. 45 steel, the left seat and the right seat are made of engineering plastics through injection molding, the left armrest frame and the right armrest frame are made of an inch galvanized pipe, and the nut C is a standard component.

The front end face of the upper seat plate is firmly welded with the top of the rear end face of the front support, and the rear end face of the upper seat plate is firmly welded with the top of the front end face of the rear support.

The front end face of the lower seat plate is firmly welded with the upper part of the rear end face of the front support, and the rear end face of the lower seat plate is firmly welded with the upper part of the front end face of the rear support.

The inclined angle b of the upper left inclined plane and the upper right inclined plane of the upper seat plate and the inclined angle b of the lower left inclined plane and the inclined angle b of the lower right inclined plane of the lower seat plate are 18-22 degrees, and the included angle a is the same as the included angle a when any one end of the seesaw is raised from the horizontal position to the highest position or is lowered from the horizontal position to the lowest position.

The central line of the upper left round concave hole of the upper seat plate is mutually perpendicular to the upper left inclined plane of the upper seat plate, and the central line of the upper right round concave hole of the upper seat plate is mutually perpendicular to the upper right inclined plane of the upper seat plate.

The upper end surface of a compression spring A in the upper left round concave hole of the upper seat plate is firmly welded with the bottom surface of the upper end of the upper left round concave hole.

The upper end surface of a compression spring B in the upper right round concave hole of the upper seat plate is firmly welded with the bottom surface of the hole at the upper end of the upper right round concave hole.

The central line of the lower left round concave hole of the lower seat plate is mutually perpendicular to the lower left inclined plane of the lower seat plate, and the central line of the lower right round concave hole of the lower seat plate is mutually perpendicular to the lower right inclined plane of the lower seat plate.

The lower end surface of a compression spring D in the lower left round concave hole of the lower seat plate is firmly welded with the bottom surface of the hole at the lower end of the lower left round concave hole.

The lower end surface of a compression spring C in the lower right circular concave hole of the lower seat plate is firmly welded with the bottom surface of the hole at the lower end of the lower right circular concave hole.

The upper seat plate and the lower seat plate are cast by cast steel ZG230-450, the front support and the rear support are made of Q345 steel plates, and the compression spring A, the compression spring B, the compression spring C and the compression spring D are made of 65Mn spring steel.

The screw is a standard component.

The invention has the beneficial effects that: the invention is characterized in that a seesaw which can enable two persons to sit opposite ends to alternately pedal and enable one end to raise and the other end to fall is arranged in a space formed by the upper part of the rear end surface of a front support and the upper part of the front end surface of a rear support for repeated game. When a seesaw game is played, when the feet of a person who stirs up one end of the seesaw are inclined rightwards to pedal the ground by pedaling, the teetered end of the seesaw is teetered up towards the clockwise direction, the falling end of the seesaw falls towards the clockwise direction, and the seesaw rotates 360 degrees in the clockwise direction while playing the seesaw game with one end teetered up and the other end falling; when the feet of a person who stirs up one end of the seesaw are inclined leftwards to pedal the ground by pedaling, one end of the seesaw will be seesawed anticlockwise, one end of the seesaw will fall anticlockwise, and the seesaw rotates 360 degrees anticlockwise while playing a seesaw game with one end being seesawed and the other end falling; when the feet of a person who stips one end of the seesaw pedal downwards and vertically pedal the ground by pedaling, the teetered end of the seesaw can rise upwards and vertically, the seesaw cannot rotate in the horizontal direction, the falling end of the seesaw falls downwards and vertically, and a monotonous seesaw game with one end being teetered and the other end falling is played. The seesaw can rotate 360 degrees in the horizontal direction while playing a seesaw game with one end being raised and the other end falling, and interestingness of playing the seesaw game is greatly improved.

The invention is provided with an upper seat plate and a lower seat plate which are used for limiting the seesaw height or the falling height of any end of the seesaw respectively at the upper end and the lower end in the middle of the length of the seesaw, an upper left round concave hole and an upper right round concave hole with downward openings are respectively arranged at the centers of the front and back lengths of the upper left inclined plane and the upper right inclined plane of the upper seat plate, a compression spring A and a compression spring B for eliminating the collision force generated when any end of the seesaw collides with the upper left inclined plane or the upper right inclined plane when the seesaw reaches the highest position are respectively arranged in the upper left circular concave hole and the upper right circular concave hole, the centers of the front and back lengths of the lower left inclined plane and the lower right inclined plane of the lower seat plate are respectively provided with a lower left round concave hole and a lower right round concave hole with upward openings, a compression spring D and a compression spring C which are used for eliminating the collision force generated when any end of the seesaw collides with the lower left inclined plane or the lower right inclined plane when falling to the lowest position are respectively arranged in the lower left circular concave hole and the lower right circular concave hole; the included angle a of any end of the seesaw is 18-22 degrees when the seesaw is raised from the horizontal position to the highest position or is lowered from the horizontal position to the lowest position. When a person sitting on a seat at one end of a seesaw forcibly squats to enable one end of the seesaw to be lifted from a horizontal position to a highest position with an included angle a of 18-22 degrees, the upper end face of one end of the seesaw is tightly propped against the lower end face of a compression spring A or a compression spring B in an upper left round concave hole or an upper right round concave hole of an upper left inclined plane or an upper right inclined plane of an upper seat plate, under the buffering action of the elastic force of the compression spring A or the compression spring B, the seesaw is slowly and stably stopped at one end of the seesaw, the upper end face of one end of the seesaw cannot collide with the upper left inclined plane or the upper right inclined plane of the upper seat plate, collision force cannot be generated, the buttocks and the waist body cannot be collided, the comfort level of the seesaw game is greatly improved, meanwhile, when the person sitting on the seat at the other end of the seesaw bends legs, the other end of the seesaw is enabled to fall from the horizontal position to the lowest position with the included angle a of 18-22 degrees, the lower end face of the other end of the seesaw, which falls, is tightly propped against the upper end face of a compression spring D or a compression spring C in a lower left inclined plane or a lower left concave hole or a lower right concave hole of a lower right inclined plane of the lower seat plate, the other end of the seesaw which falls slowly and stably stops falling under the elastic buffering action of the compression spring D or the compression spring C, the lower end face of the other end of the seesaw which falls, which can not collide with the lower left inclined plane or the lower right inclined plane of the lower seat plate, can not collide with the ground, can not generate collision force, can not collide with the hip and waist, and greatly improves the comfort level of seesaw games. When the seesaw game is played by the seesaw game player, the collision force can not be generated, the buttocks of a person sitting on the seat at one end of the seesaw cannot instantly leave the seat under the action of the collision force, then the person is heavy and falls back to the seat, the buttocks cannot collide with the seat to be collided and pain, the buttocks of the person sitting on the seat at the other end of the seesaw can not be heavily sitting on the seat under the action of the collision force, and the buttocks and the waist cannot be collided and pain.

The right end of a left seat of the left seesaw is provided with a left armrest frame, and the upper end of the left armrest frame is provided with an upper armrest and a lower armrest which are transverse; the left end of a right seat of the right seesaw is provided with a right armrest frame, and the upper end of the right armrest frame is provided with an upper right armrest and a lower right armrest which are transverse; the upper and lower two-gear transverse left handrail at the upper end of the left handrail frame and the upper and lower two-gear transverse right handrail at the upper end of the right handrail frame are suitable for holding the upper-gear transverse left handrail and the upper-gear transverse right handrail with two hands or holding the lower-gear transverse left handrail or the lower-gear transverse right handrail with two hands when people with different heights play games, so that the safety of game personnel is ensured.

The left end tail end of the upper end surface of the left seesaw is provided with a left seat, the front end and the rear end of the upper part of a chair back A of the left seat are respectively provided with a half-edge inserting end or a half-edge buckling end of a buckle type safety belt A, the left end of the half-edge inserting end or the half-edge buckling end of the safety belt A is respectively locked with the front end and the rear end of the upper part of the chair back A by screws, and a seat plate at the lower end of the left seat is locked with the left end tail end of the upper end surface of the left seesaw by 4 screws; the right seat is arranged at the right end of the upper end face of the right seesaw, the front end and the rear end of the upper part of the chair back B of the right seat are respectively provided with a half-edge inserting end or a half-edge buckling end of a buckle type safety belt B, the right end of the half-edge inserting end or the half-edge buckling end of the safety belt B is respectively locked with the front end and the rear end of the upper part of the chair back B by screws, and the seat plate at the lower end of the right seat and the right end of the upper end face of the right seesaw are locked together by 4 screws. When the invention is used for seesaw games, a person sitting on the left seat fastens the safety belt A, a person sitting on the right seat fastens the safety belt B, and the safety belt A and the safety belt B can further ensure the safety of game personnel.

By adopting the structure, when the seesaw game is played, the seesaw can rotate 360 degrees in the horizontal direction while playing the seesaw game with one end lifting and the other end falling, the interest of playing the seesaw game is greatly improved, the collision force generated when the seesaw lifts or falls can be eliminated, the hip and the waist can not be collided, and the comfort level of playing the seesaw game is improved.

Drawings

The specific structure of the present invention is given by the following embodiments and the drawings thereof.

Fig. 1 is a schematic structural diagram of a novel seesaw capable of rotating 360 degrees in a horizontal direction according to the present invention.

Fig. 2 is a cross-sectional view a-a showing a detailed structure of a novel seesaw according to the present invention, which can be rotated 360 degrees in a horizontal direction.

Fig. 3 is a B-B sectional view showing a detailed structure of a novel seesaw according to the present invention, which can be rotated 360 degrees in a horizontal direction.

Fig. 4 is a K-direction view showing a specific structure of a novel seesaw according to the present invention, which can be rotated in a horizontal direction by 360 degrees.

In the figure: 1-seesaw, 2-horizontal axis, 3-space, 4-compression spring A, 5-upper left inclined plane, 6-upper left circular concave hole, 7-upper seat plate, 8-pin shaft, 9-center hole, 10-upper right circular concave hole, 11-upper right inclined plane, 12-compression spring B, 13-right armrest frame, 14-right armrest, 15-safety belt B, 16-chair back B, 17-right seat, 18-right seesaw, 19-compression spring C, 20-lower right inclined plane, 21-lower right circular concave hole, 22-lower seat plate, 23-rear support, 24-first screw, 25-nut A, 26-spring washer, 27-flat washer, 28-first circular through hole, 29-first circular concave hole, 30-inner diameter A, 31-rotary seat, 32-second round recess hole, 33-inner diameter B, 34-third round recess hole, 35-round seat plate, 36-fixed seat, 37-base, 38-anchor bolt, 39-mounting hole, 40-frame seat plate, 41-nut B, 42-second screw rod, 43-frame, 44-rotary shaft, 45-round seat column, 46-second round through hole, 47-lower journal, 48-shaft shoulder, 49-shaft ring, 50-upper journal, 51-thrust ball bearing, 52-seat ring, 53-lower left round recess hole, 54-lower left inclined plane, 55-compression spring D, 56-left rocker, 57-seat back A, 58-left seat, 59-safety belt A, 60-left armrest, 61-left armrest frame, 62-nut C, 63-third screw rod, 64-front pin hole, 65-front support, 66-front connecting plate, 67-rear connecting plate and 68-rear pin hole.

Detailed Description

The present invention will be further described with reference to the following examples.