CN216824026U

CN216824026U - Parallelogram lifting structure and medical imaging bed using same

Info

Publication number: CN216824026U
Application number: CN202220164490.9U
Authority: CN
Inventors: 耿兰普; 赵红波; 苑诗琦
Original assignee: Shenyang Zhonghuiyida Technology Development Co ltd
Current assignee: Shenyang Zhonghuiyida Technology Development Co ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-06-28
Anticipated expiration: 2032-01-21

Abstract

The utility model discloses a parallelogram lifting structure and a medical image bed using the same, which relate to the technical field of medical instruments and comprise a fixed base, wherein the left and right ends of the upper surface of the fixed base are respectively provided with a first swing arm and a second swing arm, the inner side surface of the first swing arm is provided with a bifilar slide way, the slide way is connected with a slide block in a sliding way, the inner side of the slide block is connected with a hinge shaft through a bearing in a rotating way, the hinge shaft is respectively provided with an electric push rod and a rocker arm, the upper ends of the first swing arm and the second swing arm are connected with a bed body upper frame through the bearing in a rotating way, thereby avoiding the problems that the electric push rod at the lowest point of the parallelogram is high in stress, the highest electric push rod is small in stress, the electric push rod stress change range is large in the lifting process, the model selection requirement of the electric push rod is reduced, and the manufacturing cost of products is reduced, the product performance is improved, and meanwhile, the service life of the electric push rod is prolonged under the same working condition.

Description

Parallelogram lifting structure and medical imaging bed using same

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to parallelogram elevation structure and use this elevation structure's medical imaging bed.

Background

The main structural form of the medical image bed is mostly parallelogram and scissors fork, the driving lifting element used in the domestic market at present is mostly electric push rod, the selection control of the electric push rod is limited to several foreign brands due to large load and medical related standard requirements in the selection of the electric push rod, the cost is high, the parallelogram lifting bed is the mainstream structure of the image lifting bed, but due to the structural characteristics, the stress of the electric push rod at the lowest point of the parallelogram is high, the stress of the electric push rod at the highest point is small, the lifting speed is changed greatly, the stress change interval of the electric push rod in the lifting process is large, the requirement for the selection of the electric push rod needs to be higher, the manufacturing cost of the product is increased, the product performance is general, and the service life of the electric push rod is reduced under the same working condition.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a parallelogram elevation structure and use this elevation structure's medical image bed, because parallelogram elevation bed structural feature provides in solving above-mentioned background art, parallelogram minimum electric putter atress is high, peak electric putter atress is little, the lifting speed change is big, lift in-process electric putter atress change interval is big, cause electric putter lectotype to need higher requirement, so that product manufacturing cost increases, product property can be general, the problem of electric putter's life has been reduced under the same operating mode simultaneously.

In order to achieve the above purpose, the utility model provides a following technical scheme: parallelogram elevation structure, including unable adjustment base, both ends are equipped with swing arm and No. two swing arms respectively about unable adjustment base's the upper surface, the interior side surface of swing arm is equipped with the double-strand slide, sliding connection has the slider on the double-strand slide, the inboard of slider is rotated through the bearing and is connected with the articulated shaft, the articulated shaft is equipped with electric putter and rocking arm respectively, a swing arm reaches the upper end of No. two swing arms is rotated through the bearing and is connected with the bed body and put on the shelf.

Preferably, the fixed base is a single-layer structure cubic frame formed by welding sectional materials, a rotating shaft seat is arranged at the position, corresponding to the first swing arm and the second swing arm, of the upper end of the fixed base, and the first swing arm and the second swing arm are connected with the rotating shaft seat in a rotating mode through rotating shafts.

Preferably, electric putter's one end through the pivot with the articulated shaft intermediate position is rotated and is connected, unable adjustment base is close to one side of No. two swing arms is equipped with articulated seat, electric putter's the other end pass through the bearing with articulated seat rotates and is connected.

Preferably, the number of the rocker arms is two, one ends of the two rocker arms are rotatably connected with the two ends of the hinge shaft through bearings, and the other ends of the two rocker arms are rotatably connected with one side, close to the first swing arm, of the fixed base through bearings.

Preferably, an auxiliary pull rod is rotatably connected between one side of the electric push rod, which is close to the first swing arm, and the first swing arm through a bearing.

Preferably, the medical imaging bed is provided with the parallelogram lifting structure.

Compared with the prior art, the beneficial effects of the utility model are that: one end of the electric push rod is connected with the first swing arm in a sliding mode through the double-strand slide way and the slide block, the problems that the electric push rod at the lowest point of the parallelogram is high in stress, the electric push rod at the highest point is low in stress, the lifting speed is large in change, and the stress change interval of the electric push rod is large in the lifting process due to the structural characteristics of the parallelogram lifting bed are avoided, the type selection requirement of the electric push rod is reduced, the manufacturing cost of products is reduced, the performance of the products is improved, and meanwhile the service life of the electric push rod is prolonged under the same working condition.

Drawings

Fig. 1 is an axonometric view of the main structure of the present invention;

FIG. 2 is a front sectional view of the main structure of the present invention;

FIG. 3 is a schematic front view of the main structure of the present invention;

fig. 4 is a left side view of the main structure of the present invention.

In the figure: 1-fixed base, 2-first swing arm, 3-second swing arm, 4-double-strand slideway, 5-slide block, 6-articulated shaft, 7-electric push rod, 8-rocker arm, 9-bed body upper frame, 10-rotating shaft seat, 11-articulated seat and 12-auxiliary pull rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-4, the utility model provides a parallelogram elevation structure, including unable adjustment base 1, both ends are equipped with swing arm 2 and No. two swing arms 3 respectively about unable adjustment base 1's the upper surface, and the inboard surface of swing arm 2 is equipped with bifilar slide 4, and sliding connection has slider 5 on the bifilar slide 4, and slider 5's inboard is connected with articulated shaft 6 through the bearing rotation, and articulated shaft 6 is equipped with electric putter 7 and rocking arm 8 respectively, and the upper end of swing arm 2 and No. two swing arms 3 is connected with bed body upper bracket 9 through the bearing rotation.

When in use, the fixed base 1 is fixed at the lower end of the bed body through bolts, the fixed base 1 is a main body fixed part of a parallelogram structure of a lifting bed, then the bed board is fixed on the upper frame 9 of the bed body, a patient needing medical image monitoring lies on the bed board, when the height of the patient needs to be adjusted, the electric push rod 7 starts to extend, the power of the push rod 7 is transmitted to the slide block 5 through the articulated shaft 6, the relative position of the articulated shaft 6 is controlled through the rocker arm 8, the stable sliding of the slide block 5 on the double-strand slideway 4 is ensured, the slide block 5 is pushed upwards along the double-strand slideway 4 to drive the included angle between the first swing arm 2 and the fixed base 1 to be increased, and as the parallelogram structure capable of transmission is formed among the fixed base 1, the first swing arm 2, the second swing arm 3 and the upper frame 9 of the bed body, the included angle between the first swing arm 2 and the second swing arm 3 and the fixed base 1 is increased at the same time, driving the upper frame 9 of the bed body to rise upwards.

Unable adjustment base 1 is the single layer construction cube frame that forms by the section bar welding, reinforcing unable adjustment base 1's intensity, guarantee whole equipment stability, unable adjustment base 1's upper end and the position that a swing arm 2 and No. two swing arms 3 correspond are equipped with pivot seat 10, a swing arm 2 and No. two swing arms 3 rotate with pivot seat 10 through the pivot and are connected, rotate a swing arm 2 and No. two swing arms 3 with unable adjustment base 1 through pivot seat 10 and be connected, and rotate the upper end with a swing arm 2 and No. two swing arms 3 through the bearing and be connected with bed body upper bracket 9, make unable adjustment base 1, a swing arm 2, constitute between No. two swing arms 3 and the bed body upper bracket 9 can driven parallelogram structure.

Electric putter 7's one end is passed through the pivot and is connected with the 6 intermediate position rotations of articulated shaft, one side that unable adjustment base 1 is close to No. two swing arms 3 is equipped with articulated seat 11, electric putter 7's the other end passes through the bearing and is connected with articulated seat 11 rotation, the one end of electric putter 7 is passed through the pivot and is connected with the 6 intermediate position rotations of articulated shaft, pass through bearing and unable adjustment base 1 rotation through articulated seat 11 with electric putter 7's the other end and be connected, make electric putter 7's extension shorten the acting and can change into unable adjustment base 1, a swing arm 2, the deformation of parallelogram structure between No. two swing arms 3 and the bed body put on the shelf 9.

Rocking arm 8's quantity is two, and the one end of two rocking arms 8 is passed through the bearing and is connected with the both ends rotation of articulated shaft 6, and the other end of two rocking arms 8 passes through the bearing and is connected with unable adjustment base 1 one side rotation that is close to swing arm 2 No. one, is connected articulated shaft 6 and unable adjustment base 1 through rocking arm 8, guarantees the stable slip of slider 5 on double-strand slide 4.

One side of the electric push rod 7 close to the first swing arm 2 and the first swing arm 2 are rotatably connected with an auxiliary pull rod 12 through a bearing, and the stable posture of the electric push rod 7 during working is ensured through the auxiliary pull rod 12.

The medical imaging bed with the parallelogram lifting structure forms a completed medical imaging bed, and ensures the normal use of the parallelogram lifting structure.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Parallelogram elevation structure, its characterized in that: including unable adjustment base (1), both ends are equipped with swing arm (2) and No. two swing arms (3) respectively about the upper surface of unable adjustment base (1), the inboard surface of swing arm (2) is equipped with double-strand slide (4), sliding connection has slider (5) on double-strand slide (4), the inboard of slider (5) is rotated through the bearing and is connected with articulated shaft (6), articulated shaft (6) are equipped with electric putter (7) and rocking arm (8) respectively, swing arm (2) reach the upper end of No. two swing arms (3) is rotated through the bearing and is connected with bed body upper bracket (9).

2. The parallelogram lifting structure of claim 1, wherein: unable adjustment base (1) is the single-layer structure cube frame that forms by the section bar welding, unable adjustment base's (1) upper end with a swing arm (2) reaches the position that No. two swing arms (3) correspond is equipped with pivot seat (10), a swing arm (2) reaches No. two swing arms (3) through the pivot with pivot seat (10) rotate and are connected.

3. The parallelogram lifting structure of claim 1, wherein: one end of the electric push rod (7) is connected with the middle position of the hinged shaft (6) in a rotating mode through the rotating shaft, the fixed base (1) is close to one side of the second swing arm (3) and is provided with a hinged seat (11), and the other end of the electric push rod (7) is connected with the hinged seat (11) in a rotating mode through a bearing.

4. The parallelogram lifting structure of claim 1, wherein: the quantity of rocking arm (8) is two, two the one end of rocking arm (8) pass through the bearing with the both ends of articulated shaft (6) are rotated and are connected, two the other end of rocking arm (8) pass through the bearing with unable adjustment base (1) is close to one side of swing arm (2) is rotated and is connected.

5. The parallelogram lifting structure of claim 1, wherein: an auxiliary pull rod (12) is rotatably connected between one side of the electric push rod (7) close to the first swing arm (2) and the first swing arm (2) through a bearing.

6. A medical imaging bed having a parallelogram lifting structure as claimed in any one of claims 1 to 5.