CN218551837U - Butterfly-shaped supporting seat - Google Patents

Abstract

The utility model provides a butterfly-shaped support seat, which relates to the technical field of ergonomic seats. A butterfly-shaped support seat includes a seat back. The rod is rotated to be provided with a butterfly-shaped supporting bracket for supporting the back of the human body, and a telescopic piece for resetting the butterfly-shaped supporting bracket is arranged between the rotating connecting rods. Such a butterfly-shaped support seat utilizes the rotating connecting rod to drive the butterfly-shaped supporting bracket to move forward and backward, and at the same time, there is a telescopic piece between the rotating connecting rods, so that the butterfly-shaped supporting bracket is closely attached to the back of the user, ensuring the use of the comfort of the patient.

Description

A butterfly support seat

technical field

The utility model relates to the technical field of a butterfly support seat, in particular to a butterfly support seat.

Background technique

Ordinary seats are tailor-made based on ergonomic data. The size ratio of each part on the chair meets the needs of body support and has a strong sense of comfort. A sense of incompatibility, when the body changes but the seat does not change accordingly, so the body cannot be effectively supported.

For example, a height-adjustable butterfly-shaped child chair back introduced in Chinese patent CN202023246480.X includes a column, a seat back cushion, a connecting frame, and an adjustment device. Convex teeth, the adjustment device includes a sliding block, the sliding block is arranged in the sliding groove, a rebound cavity is opened on the side of the sliding block away from the connecting frame, a rebound block is arranged in the rebound cavity, the rebound block and the rebound cavity The inner side wall close to the connecting frame is connected by an elastic member, and the clamping piece is fixedly connected on the side of the rebound block. The advantage of this patent is that the connecting frame can be locked in the sliding groove through the adjusting device, and can also slide up and down in the sliding groove to adjust the height of the connecting frame, and the height of the seat back cushion is also adjusted accordingly. Adjustment, so that the child can obtain the most comfortable sitting posture, and can protect the spine of the child in the growth and development period.

In the prior art, the chair back cushion (or butterfly support bracket) is often connected to the connecting frame (or the chair back) through a rotating part (such as the annular groove in the reference document), so that the back of the human body is leaned against the back of the chair. When the backrest is cushioned, the backrest of the backrest can rotate toward the left and right directions or the up and down direction, but when implementing the above-mentioned technical solution, it is found that the above-mentioned technical solution has at least the following problems that need to be improved: Composition, this connection structure does not have the moving part and rebounding part of forward and backward direction, when the back of the human body moves forward and backward, the back cushion of the chair back cannot be moved forward and backward along the back of the human body, which affects the comfort of the human back.

Utility model content

The purpose of this utility model is to provide a butterfly-shaped support seat, which uses the rotating connecting rod to drive the butterfly-shaped supporting bracket to move forward and backward. The back ensures the comfort of the user.

Embodiments of the utility model are achieved in that:

The embodiment of the present application provides a butterfly-shaped support seat, which includes a seat back. The left and right sides of the seat back are rotated to be provided with a rotating link. There is a telescopic piece used for the reset of the butterfly support bracket.

Two butterfly-shaped support brackets are installed on the left and right sides of the seat back through their respective rotating links. The two butterfly-shaped support brackets can support both sides of the user's waist, and the rotating link can drive the butterfly-shaped support Support forward and backward displacement. When the user leans against the butterfly support bracket, the butterfly support bracket drives the rotating link to move backward, and the telescopic element between the rotating link is stretched, and at the same time the contraction force (generated by deformation) of the telescopic element pushes the rotating link Close to the user's back, so that the user's back can be supported by the butterfly support bracket in different sitting postures. In the prior art, the butterfly supporting bracket is often rotated and arranged on the seat back, so that the butterfly supporting bracket cannot be displaced forward and backward along the seat back. In this embodiment, the rotating connecting rod is used to drive the butterfly supporting bracket to move forward and backward, and the connecting rod A telescopic piece is arranged between them, so that the butterfly-shaped support bracket is closely attached to the back of the user, thereby ensuring the comfort of the user.

In some embodiments of the present invention, the seat back includes a longitudinal support frame, and the rotating link includes a transverse link that is rotatably connected to the longitudinal support frame at one end, and a transverse link that is rotatably connected to the butterfly support bracket at the other end of the transverse link. Longitudinal link.

Among them, the longitudinal support frame can be a structure such as the support frame of the seat back; the transverse link increases the radius of rotation of the rotating link and improves the adjustable range of the rotating link; the longitudinal link and the butterfly support bracket often use bearings or hinges to rotate connect. Specifically, there may be two transverse connecting rods, and the two transverse connecting rods are respectively installed on the upper and lower sides of the longitudinal connecting rod to increase the rigidity of the rotating connecting rod.

In some embodiments of the present invention, the two ends of the telescopic member are respectively installed on the longitudinal connecting rods on the rotating connecting rods on the left and right sides.

The telescopic element can be installed directly on the longitudinal link. In practice, if the telescopic part is a shrinking rubber band, one of its transverse links can be installed on the lower side of the longitudinal link first, then one end of the shrinking rubber band can be sleeved on the longitudinal link, and finally the other transverse link can be installed On the upper side of the longitudinal link, the convenience of installation is improved.

In some embodiments of the present invention, the butterfly support includes an extension arm with one end rotatably connected to the longitudinal link, and the other end of the extension arm is provided with a support cushion.

The extension arm prolongs the turning radius of the butterfly support bracket, thereby increasing the movable adjustment range of the butterfly support bracket and improving the adjustability of the seat.

In some embodiments of the present utility model, the contact surface between the support cushion and the back of the human body is an arc surface.

The curved surface increases the contact area with the back of the human body, improves the support for the back of the human body, and ensures the comfort of the seat.

In some embodiments of the present invention, a rotation limiting member is provided between the longitudinal support frame and the transverse connecting rod.

The rotation limiter can be a common commercially available part (such as a cam limiter). The rotation limiter can limit the rotation of the longitudinal support frame and the transverse link. The user can keep the butterfly support at the Its own comfortable position prevents the return and rebound of the butterfly support bracket at the same time, which improves the adjustability of the seat.

In some embodiments of the present invention, the longitudinal support frame is provided with a guide groove, the rotation limiting member includes a limit slide block sliding along the guide groove, and the transverse connecting rod is provided with a limit chute for accommodating the limit slide block.

The guide groove restricts the limit slider to move only along the guide groove itself. At the same time, the limit slider can fall into the limit chute along the guide groove. When the transverse link rotates, the limit chute located on the transverse link cannot drive The limit slider rotates in the circumferential direction, realizing the circumferential limit of the longitudinal support frame and the transverse connecting rod.

In some embodiments of the present invention, a spring is provided between the longitudinal support frame and the limit slider.

The spring can be a common commercially available part, and the spring can continuously maintain a thrust on the limit slider, so that the limit slider remains in the limit chute, preventing the limit slider from accidentally moving out of the limit chute due to vibration and other conditions. The reliability of the rotation limiter is guaranteed.

In some embodiments of the present invention, the longitudinal support frame is provided with a mounting platform for fixing the spring.

The mounting table can be a mounting boss (the lower surface of the boss is usually a plane) that surrounds the longitudinal support frame in a horizontal circumferential direction, so that the mounting table is convenient for installing and fixing the spring.

In some embodiments of the present invention, the butterfly support bracket is located on the underside of the seat back.

Facilitate the partition design of the seat back. For example, the butterfly support bracket is located on the lower side of the seat back, and the upper side of the seat back can use elastic mesh material to support the back of the neck and support different parts of the user's body. , improving the comfort of the seat.

Compared with the prior art, the embodiments of the present invention have at least the following advantages or beneficial effects:

Utilize the rotating connecting rod to drive the butterfly supporting bracket to move back and forth, and at the same time, a telescopic piece is arranged between the rotating connecting rod, so that the butterfly supporting bracket is closely attached to the back of the user, ensuring the comfort of the user.

Description of drawings

Fig. 1 is the overall structure schematic diagram of a kind of butterfly support seat front in the utility model;

Fig. 2 is a schematic diagram of the overall structure of the back of a butterfly-shaped support seat in the utility model;

Fig. 3 is a schematic cross-sectional structure diagram of a rotating connecting rod of a butterfly support seat in the utility model;

Fig. 4 is a schematic cross-sectional structure diagram of a butterfly support bracket, a rotating link and a telescopic member of a butterfly support seat in the utility model;

Fig. 5 is a structural schematic diagram of a support cushion and an extension arm of a butterfly support seat in the utility model;

Fig. 6 is a structural schematic diagram of a rotation limiter of a butterfly support seat in the utility model;

Fig. 7 is a structural schematic diagram of cooperation between a guide groove of a butterfly-shaped support seat and a limit slider in the present invention.

Icons: 1-butterfly support bracket, 101-support cushion, 102-extension arm, 2-rotation link, 201-limit chute, 202-transverse link, 203-longitudinal link, 3-telescopic piece, 4 -rotation limiter, 401-limit slider, 402-spring, 403-mounting platform, 5-seat back, 501-support frame, 511-guide groove.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

As shown in Figures 1-7, this embodiment provides a butterfly-shaped support seat, including a seat back 5, the left and right sides of the seat back 5 are rotated and provided with a rotating link 2, and the rotating link 2 is provided with a support The butterfly support bracket 1 on the back of the human body is provided with a telescopic part 3 for the reset of the butterfly support bracket 1 between the rotating connecting rod 2 .

In this embodiment, two butterfly-shaped support brackets 1 are installed on the left and right sides of the seat back 5 through respective rotating links 2, wherein the two butterfly-shaped support brackets 1 can make both sides of the user's waist feel comfortable. Support, rotating the connecting rod 2 can drive the butterfly support bracket 1 to move forward and backward. The telescopic member 3 can be a contraction spring or a contraction rubber band, etc., and the two ends of the telescopic member 3 are respectively installed on the left and right sides of the rotating link 2 (specifically installed on the end of the rotating link 2 away from the seat back 5). When the user leans against the butterfly-shaped support bracket 1, the butterfly-shaped support bracket 1 drives the rotating connecting rod 2 to move backward, and the telescopic member 3 between the rotating connecting rods 2 is stretched, and at the same time the contraction force of the telescopic member 3 (generated by deformation) ) to push the rotating connecting rod 2 close to the user's back, so that the user's back can be supported by the butterfly support bracket 1 when the user is in different sitting postures. In the prior art, the butterfly supporting bracket 1 is often rotated and arranged on the seat back 5, so that the butterfly supporting bracket 1 cannot be displaced forward and backward along the seat back 5. In this embodiment, the rotating connecting rod 2 is used to drive the butterfly supporting bracket 1 forward and backward. Displacement, and at the same time, a telescopic member 3 is arranged between the connecting rods 2, so that the butterfly support bracket 1 is close to the back of the user, ensuring the comfort of the user.

In actual use, the rotating link 2 is installed on the hard frame of the seat back 5 (such as the supporting keel of the seat back 5). If the supporting keel of the seat back 5 is a cylinder, the rotating connecting rod 2 can be provided with The rotating hole that rotates with the supporting keel, the supporting keel can be installed in the rotating hole, so that the rotating connecting rod 2 is connected to the seat back 5 in rotation, if the contact surface between the seat back 5 and the rotating connecting rod 2 is a plane, the seat back 5 and the seat back 5 A rotary hinge can be installed between the rotary connecting rods 2 to realize the rotary connection.

In actual use, when the telescopic member 3 is a contraction spring, the two ends of the contraction spring can be installed on the left and right rotating connecting rods 2 by means of welding or the like.

In some implementations of this embodiment, the seat back 5 includes a longitudinal support frame 501, the rotating link 2 includes a transverse link 202 that is rotatably connected to the longitudinal support frame 501 at one end, and the other end of the transverse link 202 is provided with a butterfly joint. The vertical connecting rod 203 that the shape support bracket 1 is rotatably connected.

In the above embodiment, the longitudinal support frame 501 can be a structure such as the support frame of the seat back 5; the transverse link 202 increases the turning radius of the turning link 2, and improves the adjustable range of the turning link 2; The rod 203 is rotatably connected to the butterfly support bracket 1 by using a bearing or a hinge. Specifically, there may be two transverse connecting rods 202 , and the two transverse connecting rods 202 are respectively installed on the upper and lower sides of the longitudinal connecting rod 203 to increase the rigidity of the rotating connecting rod 2 .

In some implementations of this embodiment, the two ends of the telescopic member 3 are respectively installed on the longitudinal connecting rods 203 on the rotating connecting rods 2 on the left and right sides.

In the above embodiments, the telescopic element 3 can be directly mounted on the longitudinal link 203 . In practice, if the telescopic member 3 is a shrinking rubber band, one of the transverse connecting rods 202 can be installed on the lower side of the longitudinal connecting rod 203 first, and then one end of the shrinking rubber band is sleeved on the longitudinal connecting rod 203, and finally the other The transverse connecting rod 202 is installed on the upper side of the longitudinal connecting rod 203, which improves the convenience of installation.

In some implementations of this embodiment, the butterfly support bracket 1 includes an extension arm 102 rotatably connected to a longitudinal link 203 at one end, and a support cushion 101 is provided at the other end of the extension arm 102 .

In the above embodiment, the extension arm 102 prolongs the turning radius of the butterfly support bracket 1 , thereby increasing the movable adjustment range of the butterfly support bracket 1 and improving the adjustability of the seat.

In some implementations of this embodiment, the extension arm 102 and the support cushion 101 can be rotatably connected through a hinge, which improves the adjustable range of the support cushion 101 and improves the adjustability of the seat.

In some implementations of this embodiment, the contact surface between the support cushion 101 and the back of the human body is an arc surface.

In the above embodiments, the curved surface increases the contact area with the back of the human body, improves the support for the back of the human body, and ensures the comfort of the seat.

In some implementations of this embodiment, a rotation limiting member 4 is provided between the longitudinal support frame 501 and the transverse connecting rod 202 .

In the above embodiment, the rotation limiter 4 can be a common commercially available part (such as a cam limiter), and the rotation limiter 4 can limit the rotation of the longitudinal support frame 501 and the transverse link 202, and the user can rotate the The limiter 4 keeps the butterfly support bracket 1 at its own comfortable position, and prevents the butterfly support bracket 1 from resetting and rebounding at the same time, thereby improving the adjustability of the seat.

In some implementations of this embodiment, the longitudinal support frame 501 is provided with a guide groove 511, the rotation limiting member 4 includes a limit slider 401 sliding along the guide groove 511, and the transverse connecting rod 202 is provided with a limit slider 401. The limiting chute 201.

In the above embodiment, the guide groove 511 restricts the limit slider 401 to move only along the guide groove 511 itself, while the limit slider 401 can fall into the limit chute 201 along the guide groove 511, and the transverse connecting rod 202 rotates At this time, the limit chute 201 located on the transverse link 202 cannot drive the limit slider 401 to rotate in the circumferential direction, and the circumferential limit of the longitudinal support frame 501 and the transverse link 202 is realized.

In some implementations of this embodiment, a spring 402 is provided between the longitudinal support frame 501 and the limit slider 401 .

In the above embodiment, the spring 402 can be a common commercially available component, and the spring 402 can keep pushing the limit slider 401 continuously, so that the limit slider 401 remains in the limit chute 201, preventing the The limit slider 401 accidentally moves out of the limit chute 201 , which ensures the reliability of the rotation limit member 4 .

In some implementations of this embodiment, the longitudinal support frame 501 is provided with a mounting platform 403 for fixing the spring 402 .

In the above embodiment, the mounting platform 403 can be a mounting boss horizontally surrounding the longitudinal support frame 501 (the lower surface of the boss is usually flat), so that the mounting platform 403 facilitates the installation and fixing of the spring 402 .

In some implementations of this embodiment, the butterfly support bracket 1 is located on the lower side of the seat back 5 .

In the above-mentioned embodiment, it is convenient for the partition design of the seat back 5, such as the butterfly support bracket 1 is located on the lower side of the seat back 5, the upper side of the seat back 5 can use elastic mesh material to support the back of the neck, Different parts of the user's body are supported separately, which improves the comfort of the seat.

The above are only preferred embodiments of the utility model, and are not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (10)

1. A butterfly supports seat which characterized in that: the chair comprises a chair backrest, wherein rotary connecting rods are rotatably arranged on the left side and the right side of the chair backrest, a butterfly-shaped support bracket used for supporting the back of a human body is rotatably arranged on each rotary connecting rod, and a telescopic piece used for resetting the butterfly-shaped support bracket is arranged between the rotary connecting rods.

2. A butterfly support seat as claimed in claim 1, wherein: the seat back comprises a longitudinal support frame, the rotating connecting rod comprises a transverse connecting rod, one end of the transverse connecting rod is rotatably connected with the longitudinal support frame, and the other end of the transverse connecting rod is provided with a longitudinal connecting rod which is rotatably connected with the butterfly support.

3. A butterfly support seat as claimed in claim 2, wherein: the two ends of the telescopic piece are respectively arranged on the longitudinal connecting rods positioned on the rotating connecting rods at the left side and the right side.

4. A butterfly support seat as claimed in claim 2, wherein: the butterfly support bracket comprises an extension arm with one end rotatably connected with the longitudinal connecting rod, and the other end of the extension arm is provided with a support cushion.

5. A butterfly support seat according to claim 4, wherein: the contact surface of the support cushion and the back of the human body is a cambered surface.

6. A butterfly support seat as claimed in claim 2, wherein: a rotation limiting part is arranged between the longitudinal support frame and the transverse connecting rod.

7. A butterfly support seat as claimed in claim 6, wherein: the longitudinal support frame is equipped with the guide way, rotates the locating part and includes along the gliding stop block of guide way, and transverse connecting rod is equipped with the spacing spout that holds stop block.

8. The butterfly support seat of claim 7, wherein: a spring is arranged between the longitudinal support frame and the limiting slide block.

9. A butterfly support seat as claimed in claim 8, wherein: the longitudinal support frame is provided with an installation platform convenient for fixing the spring.

10. A butterfly support seat as claimed in claim 1, wherein: the butterfly support bracket is positioned on the lower side of the seat back.

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