阅读说明：本技术 一种多功能椅式担架 (Multifunctional chair type stretcher ) 是由 张勇 王荣 吴希 于 2020-04-21 设计创作，主要内容包括：本发明属于担架技术领域,尤其为一种多功能椅式担架,包括前支撑脚,所述前支撑脚的顶部通过前部横连杆活动连接有椅面支撑杆,所述椅面支撑杆另一侧活动连接有上部横连杆,所述上部横连杆的左右两侧固定连接有折叠接头,所述折叠接头的顶部固定连接有上支撑杆,所述折叠接头的底部固定连接有下支撑杆；本发明,通过设置前部横连杆,可将前支撑脚和椅面支撑杆进行支撑,从而保证前支撑脚与椅面支撑杆有足够的刚性,通过折叠接头,可在担架伸长后能够实现整体折叠,同时在担架使用的时候折叠接头在受到向下的压力时呈锁定状态,保证了担架展开后的正常使用,整个装置结构合理,使用方便,实用性强。(The invention belongs to the technical field of stretchers, and particularly relates to a multifunctional chair type stretcher which comprises front supporting legs, wherein the tops of the front supporting legs are movably connected with a chair surface supporting rod through a front transverse connecting rod, the other side of the chair surface supporting rod is movably connected with an upper transverse connecting rod, the left side and the right side of the upper transverse connecting rod are fixedly connected with folding joints, the tops of the folding joints are fixedly connected with upper supporting rods, and the bottoms of the folding joints are fixedly connected with lower supporting rods; according to the stretcher, the front supporting legs and the chair surface supporting rod can be supported by the front transverse connecting rod, so that the front supporting legs and the chair surface supporting rod are guaranteed to have enough rigidity, the stretcher can be integrally folded after being stretched through the folding joint, meanwhile, the folding joint is in a locking state when being pressed downwards when the stretcher is used, the normal use of the stretcher after being unfolded is guaranteed, and the whole device is reasonable in structure, convenient to use and high in practicability.)

1. The utility model provides a multi-functional chair formula stretcher, includes front support leg (1), its characterized in that: the chair seat comprises a front supporting leg (1), a chair seat supporting rod (14) movably connected to the top of the front supporting leg (1) through a front transverse connecting rod (18), an upper transverse connecting rod (13) movably connected to the other side of the chair seat supporting rod (14), folding joints (10) fixedly connected to the left side and the right side of the upper transverse connecting rod (13), an upper supporting rod (11) fixedly connected to the top of each folding joint (10), a lower supporting rod (7) fixedly connected to the bottom of each folding joint (10), rotary joints (6) fixedly connected to the surface of each lower supporting rod (7), connecting rods (8) movably connected between the rotary joints (6) and the front supporting leg (1) through pin shafts, middle transverse connecting rods (9) fixedly connected between the connecting rods (8), rotary limiting rings (5) fixedly connected to the surface of the lower supporting rod (7), and moving wheels (4) fixedly connected to the surface of each rotary limiting ring (5), the bottom fixedly connected with spacing ring (3) of rotatory spacing ring (5), back supporting leg (2) of the bottom fixedly connected with of lower bracing piece (7), fixedly connected with lower part horizontal connecting rod (16) between back supporting leg (2), swing joint has diagonal brace (17) in the middle of lower part horizontal connecting rod (16), the other end and anterior horizontal connecting rod (18) swing joint of diagonal brace (17), the mounting hole has been seted up on the surface of middle part horizontal connecting rod (9), there is locking connecting rod (15) through bolt threaded connection in the mounting hole, the lower extreme of locking connecting rod (15) is equipped with the draw-in groove, the draw-in groove overlap joint is on the surface of lower part horizontal connecting rod (16).

2. The multifunctional chair-type stretcher according to claim 1, characterized in that: the front supporting leg (1) and the rear supporting leg (2) are of U-shaped structures.

3. The multifunctional chair-type stretcher according to claim 1, characterized in that: the straight rod part of the rear supporting leg (2) is provided with a step, and the front section of the step is thinner.

4. The multifunctional chair-type stretcher according to claim 1, characterized in that: the surface fixing of going up bracing piece (11) is connected with rotatory spacing ring (5), the surface fixing of rotatory spacing ring (5) is connected with folding handle (12).

5. The multifunctional chair-type stretcher according to claim 1, characterized in that: the surface of the movable wheel (4) and the surface of the folding handle (12) are provided with buttons, and the rotary limiting ring (5) is provided with a clamping groove.

6. The multifunctional chair-type stretcher according to claim 1, characterized in that: the bottom of preceding supporting leg (1) and back supporting leg (2) has slide (21) through bolt threaded connection, go up fixedly connected with combination back of the body frame (19) between bracing piece (11) and seat bracing piece (14), the fixed surface of going up bracing piece (11) and seat bracing piece (14) is connected with safety fixed band (20).

Technical Field

The invention belongs to the technical field of stretchers, and particularly relates to a multifunctional chair type stretcher.

Background

The conventional common stretcher is generally used for transferring wounded persons under the ground walking conditions of roads, corridors and the like under good conditions, and does not have the functions of carrying, dragging, carrying, lifting and the like of the wounded persons under the field environments of mudflats, sand lands, grasslands, jungles, snowfields and the like.

The multifunctional combined stretcher for the field adopts the technical forms of rapid splicing combination and the like, can be flexibly combined according to the requirements, meets the functions of carrying, dragging, carrying, lifting and the like of wounded persons in the field environments such as mudflats, sand lands, grasslands, jungles, snowfields and the like, and can be used for rescue of the wounded persons in battlefield environments or rescue of tourists in the field injuries and the like.

Disclosure of Invention

To solve the problems set forth in the background art described above. The invention provides a multifunctional chair type stretcher which has the characteristic of strong practicability.

In order to achieve the purpose, the invention provides the following technical scheme: a multifunctional chair-type stretcher comprises a front supporting leg, wherein the top of the front supporting leg is movably connected with a chair surface supporting rod through a front transverse connecting rod, the other side of the chair surface supporting rod is movably connected with an upper transverse connecting rod, the left side and the right side of the upper transverse connecting rod are fixedly connected with folding joints, the top of each folding joint is fixedly connected with an upper supporting rod, the bottom of each folding joint is fixedly connected with a lower supporting rod, the surface of each lower supporting rod is fixedly connected with a rotary joint, connecting rods are movably connected between the rotary joints and the front supporting leg through pin shafts, a middle transverse connecting rod is fixedly connected between the connecting rods, the surface of each lower supporting rod is fixedly connected with a rotary limiting ring, the surface of each rotary limiting ring is fixedly connected with a moving wheel, the bottom of each rotary limiting ring is fixedly connected with a limiting ring, the bottom of each lower, the rear support leg is fixedly connected with a lower transverse connecting rod, an inclined strut is movably connected in the middle of the lower transverse connecting rod, the other end of the inclined strut is movably connected with a front transverse connecting rod, a mounting hole is formed in the surface of the middle transverse connecting rod, a locking connecting rod is connected in the mounting hole through a bolt and a thread, a clamping groove is formed in the lower end of the locking connecting rod, and the clamping groove is lapped on the surface of the lower transverse connecting rod.

Preferably, the front supporting leg and the rear supporting leg are of a U-shaped structure.

Preferably, the straight rod part of the rear supporting leg is provided with a step, and the front section of the step is thinner.

Preferably, the surface of the upper supporting rod is fixedly connected with a rotary limiting ring, and the surface of the rotary limiting ring is fixedly connected with a folding handle.

Preferably, the surfaces of the moving wheel and the folding handle are provided with buttons, and the rotary limiting ring is provided with a clamping groove.

Preferably, there is the slide bottom front supporting leg and back supporting leg through bolt threaded connection, go up fixedly connected with combination back of the body frame between bracing piece and the seat bracing piece, the fixed surface of going up bracing piece and seat bracing piece is connected with safety fixed band.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the front supporting legs and the seat supporting rod can be supported by arranging the front transverse connecting rod, so that the front supporting legs and the seat supporting rod have enough rigidity, the stretcher can be integrally folded after being extended by the folding joint, meanwhile, the folding joint is in a locking state when being pressed downwards when the stretcher is used, the normal use of the unfolded stretcher is ensured, the lower transverse connecting rod can be fixed in a chair state by the locking connecting rod, the locking effect is realized, the whole stretcher is convenient to keep the chair posture, the function of the chair stretcher is realized, the whole device is reasonable in structure, the use is convenient, and the practicability is strong.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a perspective view of a support frame according to the present invention;

FIG. 2 is a side view of the present invention;

FIG. 3 is a schematic structural view of the stretcher according to the present invention;

FIG. 4 is a schematic view of the folded dimensions of the present invention;

FIG. 5 is a schematic perspective view of the present invention;

FIG. 6 is a schematic view of the structure of the slide plate according to the present invention;

in the figure: 1. a front support leg; 2. a rear supporting leg; 3. a limiting ring; 4. a moving wheel; 5. rotating the limiting ring; 6. a rotary joint; 7. a lower support bar; 8. a connecting rod; 9. a middle transverse connecting rod; 10. folding the joint; 11. an upper support rod; 12. a folding handle; 13. an upper transverse link; 14. a seat support bar; 15. locking the connecting rod; 16. a lower transverse link; 17. a diagonal brace; 18. a front transverse link; 19; a combined back frame; 20. a safety fixing belt; 21. a slide board.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.