CN217472687U

CN217472687U - Four-bar linkage seesaw

Info

Publication number: CN217472687U
Application number: CN202220976865.1U
Authority: CN
Inventors: 王志
Original assignee: Shanxi Xin He Industrial Co ltd
Current assignee: Shanxi Xin He Industrial Co ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-09-23
Anticipated expiration: 2032-04-25

Abstract

The utility model relates to a four-bar linkage seesaw relates to the field of sports equipment for entertainment, and it includes support frame, coupling assembling and sits the hack lever, coupling assembling includes first connecting rod, second connecting rod and third connecting rod, the middle part of third connecting rod with support frame fixed connection, first connecting rod the second connecting rod is located respectively the both ends of third connecting rod, the one end of first connecting rod with the one end of third connecting rod is articulated, the other end with it is articulated to sit the hack lever, the one end of second connecting rod with the third connecting rod is kept away from the one end of first connecting rod is articulated, the other end with it is articulated to sit the hack lever. The application has the effect of improving the interest of the seesaw game.

Description

Four-bar linkage seesaw

Technical Field

The application relates to the field of sports entertainment equipment, in particular to a seesaw with a four-bar linkage mechanism.

Background

The teeterboard is a sports equipment designed for entertainment and play of children, is a toy for children with more than two persons, and is formed by sitting one person at one end, going on one person and getting off one person.

At present, a common seesaw is mainly manufactured by adopting a lever principle, the seesaw comprises a support frame, a seat frame rod and seats, the middle position of the seat frame rod is rotatably connected with the support frame, more than two seats are arranged, and the seats are symmetrically arranged at two ends of the seat frame rod in the length direction respectively. When the child seat is used, more than two children are symmetrically seated on the plurality of seat plates, the children at one end of the seat frame rod collectively press down the gravity center, and the children at the other end rotate the seat frame rod through the actions of bending the legs and bouncing up, and then perform reciprocating action, so that reciprocating games are played.

Because the seesaw can only perform the actions of ascending at one end and descending at the other end, the movement form of the seesaw is simplified, and the game pleasure of the seesaw is further reduced.

SUMMERY OF THE UTILITY MODEL

In order to improve the game pleasure of the seesaw, the application provides the seesaw with the four-bar linkage mechanism.

The application provides a pair of four bar linkage seesaw adopts following technical scheme:

the utility model provides a four-bar linkage mechanism seesaw, includes support frame, coupling assembling and sits the hack lever, coupling assembling includes first connecting rod, second connecting rod and third connecting rod, the middle part of third connecting rod with support frame fixed connection, first connecting rod the second connecting rod is located respectively the both ends of third connecting rod, the one end of first connecting rod with the one end of third connecting rod is articulated, the other end with it is articulated to sit the hack lever, the one end of second connecting rod with the third connecting rod is kept away from the one end of first connecting rod is articulated, the other end with it is articulated to sit the hack lever.

Through adopting above-mentioned technical scheme, first connecting rod, second connecting rod, third connecting rod and sit a pole and constitute four-bar linkage jointly, sit a pole and can carry out the arc motion through first connecting rod, second connecting rod third connecting rod relatively for the child not only can enjoy the enjoyment of seesaw at the in-process of playing, can also experience the enjoyment of swinging, thereby has improved the recreation enjoyment of seesaw.

Optionally, an elastic telescopic part is arranged between the middle position of the seat frame rod and the position of the support frame below the seat frame rod.

Through adopting above-mentioned technical scheme, the seat pole can tensile elastic expansion part at the arc rotation in-process, make elastic expansion part can play the effect of buffering and resilience to the seat hack lever, elastic expansion part's cushioning effect has reduced the height of making a stick up of seat hack lever, make the child safer at the in-process of playing, elastic expansion part's resilience effect makes the seat hack lever have the resilience force after the perk, thereby the strength that the child consumes at the in-process of playing has been saved, make the child laborsaving more at the in-process of playing.

Optionally, a limiting part is fixedly arranged between the middle position of the seat frame rod and the position of the support frame below the seat frame rod, and the length of the limiting part is greater than the distance between the middle position of the seat frame rod and the position of the support frame below the seat frame rod.

Through adopting above-mentioned technical scheme, through setting up the locating part, restricted the height of having raised the stilts of seat hack lever, improved the security of seesaw, easily ensure the safety of child at the in-process of playing.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the first connecting rod, the second connecting rod, the third connecting rod and the seat frame rod form a four-connecting-rod mechanism together, so that the seesaw can have the game fun of a swing;

2. the seesaw is more labor-saving and safer in the playing process of children through the buffering and rebounding functions of the elastic telescopic piece on the seesaw;

3. through setting up the locating part, restricted the height of making a stilt of seatpost pole, and then improved the security performance of seesaw.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is a schematic view of another embodiment of the present application;

fig. 3 is a schematic diagram for illustrating the structure of the elastic expansion element and the limiting element.

Description of the reference numerals:

1. a support frame; 11. a main support bar; 12. a secondary support bar; 13. a fixing rod; 131. a fixing plate; 2. a connection assembly; 21. a first link; 22. a second link; 23. a third link; 24. an elastic extensible member; 25. a limiting member; 3. a seat frame rod; 31. a seat plate; 32. a handle bar; 321. a connecting rod; 33. a foot pedal rod; 34. and a cushion block.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a seesaw with a four-bar linkage mechanism. Referring to fig. 1, a four bar linkage seesaw includes support frame 1, coupling assembling 2 and sits a pole 3, and coupling assembling 2 is located support frame 1 and sits between a pole 3, and coupling assembling 2 all is connected with support frame 1, sit a pole 3, and coupling assembling 2 is used for making to sit a pole 3 and carry out the arc motion. When the seesaw is used, a child sits at two ends of the seat frame rod 3, the seat frame rod 3 performs arc-shaped movement through the connecting component 2, so that the child can enjoy the fun of the seesaw and the swing at the same time, and the game fun of the seesaw is improved.

Referring to fig. 2, the supporting frame 1 includes a main supporting rod 11, a secondary supporting rod 12 and a fixing rod 13, the main supporting rod 11 and the secondary supporting rod 12 are both arc-shaped rods, the radian of the main supporting rod 11 is greater than that of the secondary supporting rod 12, the main supporting rod 11 and the secondary supporting rod 12 form a complete circle, the main supporting rod 11 is located above the secondary supporting rod 12, the opening of the main supporting rod 11 and the opening of the secondary supporting rod 12 face towards the side close to each other, and the plane where the main supporting rod 11 and the secondary supporting rod 12 are located is vertically arranged.

The fixed rod 13 is provided with two, and all is the stock form, and 13 length direction's of fixed rod both ends all are towards same direction bending, and bending angle is the acute angle.

The two fixing rods 13 are respectively located between two ends of the main supporting rod 11 and two ends of the secondary supporting rod 12, the middle of each fixing rod 13 is fixedly connected with the main supporting rod 11 and the secondary supporting rod 12, the two fixing rods 13 are symmetrically arranged, openings of the two fixing rods 13 face to one side far away from the main supporting rod 11, and the two fixing rods 13 are obliquely arranged along the vertical downward direction towards the direction far away from each other.

The both ends of dead lever 13 are all fixedly connected with fixed plate 131, and fixed plate 131 level sets up, and fixed plate 131 is used for with ground fixed connection.

Sit hack lever 3 and be stock form, and the middle part is crooked to be the arc, sits hack lever 3 and is located between main tributary strut 1 and the inferior bracing frame 1, and the perpendicular main tributary strut 1 of length direction, the plane of inferior bracing frame 1 place, sits the opening of 3 radians of hack lever and vertically upwards. Seat plates 31 are fixedly arranged at two ends of the main support frame 1 in the length direction, the seat plates 31 are in a trapezoidal plate shape, the two seat plates 31 are symmetrically arranged, the upper bottom edges of the two seat plates face towards one side close to each other, and the two seat plates 31 are located above the seat frame rods 3.

The equal fixedly connected with cushion 34 in seat frame pole 3 length direction's both ends, two cushions 34 all are located the below of seat frame pole 3, and cushion 34 is cylindrically, and vertical setting, and the one end that seat frame pole 3 was kept away from to two cushions 34 all inclines towards the direction that is close to each other along vertical decurrent direction.

The two ends of the arc part of the seat frame rod 3 are provided with pedal rods 33, the two pedal rods 33 are positioned below the seat frame rod 3, the pedal rods 33 are cylindrical, the axis direction is perpendicular to the seat frame rod 3, and the middle part of the pedal rods 33 is fixedly connected with the seat frame rod 3.

Sit the both ends at 3 circular arc positions of hack lever and all be provided with connecting rod 321, connecting rod 321 is the stock form, the one end of connecting rod 321 with sit 3 fixed connection of hack lever, two connecting rods 321 all are located the top of sitting hack lever 3, and the orientation that keeps away from each other is crooked.

The one end that connecting rod 321 kept away from seat hack lever 3 is provided with handle lever 32, and handle lever 32 is cylindrically, and the axis direction sets up with seat hack lever 3 is perpendicular, handle lever 32's middle part and connecting rod 321 fixed connection.

When in use, more than two children respectively sit on the seat plates 31 at the two ends of the seat frame rod 3 in the length direction, the two feet of the children are pedaled at the two ends of the pedal rod 33, and the two hands hold the two ends of the handle rod 32 at the same time, so that the children can stably sit on the seat plates 31 by themselves.

Referring to fig. 2, the connecting assembly 2 includes a first connecting rod 21, a second connecting rod 22 and a third connecting rod 23, the first connecting rod 21, the second connecting rod 22 and the third connecting rod 23 are all arc-shaped rods, the structure of the first connecting rod 21 is the same as that of the second connecting rod 22, the length of the third connecting rod 23 is smaller than that of the first connecting rod 21 and that of the second connecting rod 22, and the radian of the third connecting rod 23 is greater than that of the first connecting rod 21 and that of the second connecting rod 22.

The middle part of the third connecting rod 23 is fixedly connected to the middle part of the main supporting rod 11, the opening of the third connecting rod 23 is vertically downward, the first connecting rod 21 and the second connecting rod 22 are symmetrically arranged on two sides of the plane where the main supporting rod 11 is located, and the openings face towards one side close to each other.

One end of the first connecting rod 21 is hinged with one end of the third connecting rod 23, the other end is hinged with the arc part of the seat frame rod 3, one end of the second connecting rod 22 is hinged with one end of the third connecting rod 23 far away from the first connecting rod 21, and the other end is hinged with the arc part of the seat frame rod 3.

When the seesaw is used, children at the two ends of the seat frame rod 3 can make the seat frame rod 3 do arc motion through the first connecting rod 21 and the second connecting rod 22 by means of the self weight or the force of bending legs and kicking off the ground, and the two ends of the seat frame rod 3 are raised in turn, so that the children can obtain the pleasure of the seesaw and the swing at the same time, and the game pleasure of the seesaw is improved.

Referring to fig. 3, an elastic expansion member 24 and a limiting member 25 are fixedly disposed between the middle position of the seat frame rod 3 and the middle portion of the secondary support rod 12, in this embodiment, the elastic expansion member 24 is a spring, in other embodiments, an elastic rope, an elastic rubber, and the like may also be used, the length of the limiting member 25 is greater than the distance between the middle position of the seat frame rod 3 and the middle portion of the secondary support rod 12, in this embodiment, the limiting member 25 is a steel wire rope, and in other embodiments, a nylon rope, a high-strength plastic rope, and the like may also be used.

When the chair is used, the seat frame rod 3 can stretch the elastic telescopic part 24 in an arc-shaped motion, the elastic telescopic part 24 provides buffer force for the seat frame rod 3 in the stretching process, and the stretched elastic telescopic part 24 provides resilience force for the seat frame rod 3, so that a child can play safely and labor-saving; the limiting piece 25 limits the seesaw height of the seat frame rod 3, and the safety of the seesaw is further improved.

The implementation principle of a four-bar linkage seesaw of the embodiment of the application is as follows: during the use, more than two children sit respectively on the seat 31 at seat pole 3 length direction both ends, then rely on dead weight or the crooked power of kicking off ground of shank to make seat pole 3 carry out arc motion through first connecting rod 21, second connecting rod 22, tensile elastic expansion piece 24 simultaneously, elastic expansion piece 24 plays the effect of buffering and resilience to seat pole 3 for the child can enjoy the enjoyment of swinging the swing simultaneously at the in-process of playing the seesaw, thereby improved the recreation enjoyment of seesaw.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a four bar linkage seesaw which characterized in that: including support frame (1), coupling assembling (2) and seat frame pole (3), coupling assembling (2) include first connecting rod (21), second connecting rod (22) and third connecting rod (23), the middle part of third connecting rod (23) with support frame (1) fixed connection, first connecting rod (21) second connecting rod (22) are located respectively the both ends of third connecting rod (23), the one end of first connecting rod (21) with the one end of third connecting rod (23) is articulated, the other end with seat frame pole (3) are articulated, the one end of second connecting rod (22) with third connecting rod (23) are kept away from the one end of first connecting rod (21) is articulated, the other end with seat frame pole (3) are articulated.

2. A four bar linkage mechanism seesaw as claimed in claim 1, wherein: an elastic telescopic part (24) is arranged between the middle position of the seat frame rod (3) and the part of the support frame (1) below the seat frame rod (3).

3. A four bar linkage mechanism seesaw as claimed in claim 1, wherein: a limiting part (25) is fixedly arranged between the middle position of the seat frame rod (3) and the part of the support frame (1) below the seat frame rod (3), and the length of the limiting part (25) is greater than the distance between the middle position of the seat frame rod (3) and the part of the support frame (1) below the seat frame rod (3).