CN215485722U

CN215485722U - Medical lead door opening and closing linkage device

Info

Publication number: CN215485722U
Application number: CN202121428242.2U
Authority: CN
Inventors: 徐守凯; 徐法博; 庞翠翠
Original assignee: Shandong Dongsheng Yite Intelligent Equipment Co ltd
Current assignee: Shandong Dongsheng Yite Intelligent Equipment Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2022-01-11
Anticipated expiration: 2031-06-25

Abstract

The utility model belongs to the technical field of lead door opening and closing, and relates to a medical lead door opening and closing linkage device which comprises a hydraulic oil cylinder and a gear box, wherein the gear box is provided with a positioning pin, a turntable is arranged below the positioning pin and connected with a rotating rod, a slide way is arranged below the turntable and provided with a slide groove with a convex cross section, a slide block is connected in the slide groove, a stop block is connected below the slide block and penetrates through the slide way and is connected with the hydraulic oil cylinder, the slide block is hinged with a driving rod, the driving rod is provided with a key hole and is connected with the positioning pin and the rotating rod, the gear box is also provided with an output gear, the output gear is connected with a bidirectional screw rod, the bidirectional screw rod is connected with a nut seat, and the nut seat is connected with a lead door. The utility model changes the transmission ratio through the gear box and simultaneously realizes the simultaneous movement of the two lead doors through the bidirectional screw rod.

Description

Medical lead door opening and closing linkage device

Technical Field

The utility model belongs to the technical field of lead door opening and closing, and relates to a medical lead door opening and closing linkage device.

Background

The lead door is a ray protection door made of lead, is stable, convenient, safe and reliable to open and close, and can meet special requirements of airtightness, sound insulation, isolation prevention, intelligence and the like. The protective device is mainly applied to a radiation machine room in a hospital and can effectively protect X, gamma rays and neutron rays. And the lead door should meet enough thickness to play a better protection role. In order to facilitate the entry of stretchers and the like, hospitals often adopt a sliding-open lead door instead of a hinged door panel, and are provided with a servo motor to drive the movement of a heavy lead door.

The existing split lead door is driven by a servo motor or a hydraulic oil cylinder, but no matter the servo motor or the hydraulic oil cylinder needs to be used for driving two different door plates respectively, the price of the servo motor or the servo oil cylinder on the market is more than thousands of yuan, and two greatly increased production costs are used.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems of the medical lead door opening and closing linkage device, the utility model provides the medical lead door opening and closing linkage device which is simple in structure and easy to operate.

In order to achieve the purpose, the utility model adopts the technical scheme that the medical lead door opening and closing linkage device comprises a hydraulic oil cylinder and a gear box, wherein the gear box is provided with a positioning pin, a turntable is arranged below the positioning pin and connected with a rotating rod, a slide way is arranged below the turntable and provided with a slide groove with a convex cross section, a slide block is connected in the slide groove, a stop block is connected below the slide block and penetrates through the slide way, the stop block is connected with the hydraulic oil cylinder, the slide block is hinged with a driving rod, the driving rod is provided with a key hole and is connected with the positioning pin and the rotating rod, the gear box is also provided with an output gear, the output gear is connected with a bidirectional screw rod, the bidirectional screw rod is connected with a nut seat, and the nut seat is connected with a lead door.

Preferably, the turntable is coaxially connected with an input gear, the input gear is connected with a gear set, and the gear set comprises a plurality of groups of coaxially arranged small gears and large gears.

Preferably, one end of the gear set, which is far away from the turntable, is connected with a driving straight gear, the driving straight gear is coaxially connected with a driving bevel gear, the driving bevel gear is connected with a driven bevel gear, and the driven bevel gear is coaxially connected with an output gear.

Preferably, the lower part of the lead door is the ground, a track with a rectangular cross section is installed on the ground, a track groove is formed in the lead door corresponding to the track, a plurality of rollers are arranged in the track groove, and the track groove is connected with the track.

Preferably, the lead door is provided with a protrusion and a groove.

Preferably, the bidirectional screw rod is provided with a driven gear, and the driven gear is meshed with the output gear.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. the utility model has the advantages that the gear box is arranged, the slide way and the slide block are arranged on the gear box, the slide block is driven to move by the hydraulic oil cylinder, the rotary table is driven to rotate, the linear motion of the hydraulic oil cylinder is converted into the circular motion, the transmission ratio is changed by the gear box, the hydraulic oil cylinder can move for a short distance and can also drive the output gear to rotate for a plurality of circles, and meanwhile, the two lead doors are driven to move simultaneously by the bidirectional screw rod.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.

FIG. 1 is a schematic structural view of a medical lead door opening and closing linkage device;

FIG. 2 is a front view of the medical lead door opening and closing linkage;

FIG. 3 is an enlarged view of the structure at A in FIG. 1;

FIG. 4 is an enlarged view of the structure at B in FIG. 1;

FIG. 5 is an enlarged view of the structure at C in FIG. 2;

FIG. 6 is an internal structural view of the gear case;

in the above figures, 1, a hydraulic oil cylinder; 2. a gear case; 21. an input gear; 22. a gear set; 23. a bull gear; 24. a pinion gear; 25. a driving spur gear; 26. a driven bevel gear; 27. an output gear; 28. a drive bevel gear; 3. a wall top; 4. a ground surface; 41. a track; 5. a lead door; 51. a protrusion; 52. a groove; 53. A track groove; 54. a roller; 6. a slideway; 61. a chute; 62. a slider; 621. a stopper; 63. a drive rod; 631. a key-shaped hole; 64. positioning pins; 65. a turntable; 651. a rotating rod; 7. a bidirectional screw rod; 71. a nut seat; 72. a driven gear.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

As shown in fig. 1, 2, 3, 4, 5 and 6, the opening and closing linkage device for the medical lead door 5 comprises a hydraulic oil cylinder 1, wherein the hydraulic oil cylinder 1 can be electrically controlled to be opened or closed, in order to save cost, the opening and closing linkage device also comprises a gear box 2, the gear box 2 has the same function as a common gearbox and can amplify input speed, the hydraulic oil cylinder 1 and the gear box 2 are fixed by connecting a wall top 3, the gear box 2 is provided with a positioning pin 64, a rotating disc 65 is arranged below the positioning pin 64, the rotating disc 65 is connected with a rotating rod 651, the rotating rod 651 is far away from the circle center of the rotating disc 65, a slide way 6 is arranged below the rotating disc 65, the slide way 6 is provided with a slide groove 61 with a convex-shaped section, a slide block 62 is connected in the slide groove 61, the slide block 62 can slide in the slide groove 61, a stop block 621 is connected below the slide block 62, the stop 621 penetrates through the bottom of the slide way 6, so that the stop 621 is convenient for connecting the hydraulic oil cylinder 1, the slider 62 is articulated to have a drive lever 63, the drive lever 63 is provided with key shape hole 631, in key shape hole 631, drive lever 63 links up locating pin 64, bull stick 651, when hydraulic cylinder 1 drove slider 62 and moves, because locating pin 64 is fixed, bull stick 651 rotates along the disc center along with the removal of drive lever 63, gear box 2 still is provided with output gear 27, the input speed by carousel 65 is exported through output gear 27 after gear box 2 adjusts, output gear 27 links up two-way screw rod 7, two end screw thread direction of two-way screw rod 7 is different, two-way screw rod 7 connects nut seat 71, nut seat 71 is connected with lead door 5, can make two lead doors 5 be close to simultaneously or keep away from when two-way screw rod 7 rotates, the switching of lead door 5 has been realized.

In order to amplify the input speed, an input gear 21 is coaxially connected to a rotary disk 65 in the gear box 2, the input gear 21 is connected with a gear set 22, the gear set 22 is a component for amplifying the input speed, the gear set 22 comprises a plurality of groups of coaxially arranged small gears 24 and large gears 23, the transmission ratio is changed by meshing the small gears 24 and the large gears 23 among different groups, and the output speed is amplified.

In order to change the direction of the output speed, the end of the gear set 22 away from the rotating disk 65 is connected with a driving spur gear 25 which is coaxially connected with a driving bevel gear 28, the driving bevel gear 28 is connected with a driven bevel gear 26, and the driven bevel gear 26 is coaxially connected with an output gear 27.

In order to enable the lead door 5 to move linearly, the ground 4 is arranged below the lead door 5, the track 41 with a rectangular cross section is installed on the ground 4, a track groove 53 is formed in the lead door 5 corresponding to the track 41, a plurality of rollers 54 are arranged in the track groove 53, the track groove 53 is connected with the track 41, the lead door 5 moves along the track 41, and meanwhile, the rollers 54 reduce the friction force between the lead door 5 and the track 41.

In order to enhance the tightness, the lead doors 5 are provided with a protrusion 51 and a groove 52, and when the two lead doors 5 are closed, the protrusion 51 can enter the groove 52, so that the possibility that rays can overflow from the gaps of the lead doors 5 is reduced.

In order to enable the output gear 27 to drive the bidirectional screw rod 7 to rotate, the driven gear 72 is installed on the bidirectional screw rod 7, the driven gear 72 is located in the middle of the bidirectional screw rod 7, the driven gear 72 is used as a boundary, the thread directions of the bidirectional screw rod 7 are different, and the driven gear 72 is meshed with the output gear 27.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims

1. The utility model provides a medical plumbous door switching aggregate unit, includes hydraulic cylinder, its characterized in that still includes the gear box, the gear box is provided with the locating pin, the locating pin below is provided with the carousel, the carousel is connected with the bull stick, the carousel below is provided with the slide, the slide is provided with the spout that the cross-section is type, it has the slider to link up in the spout, the slider below is connected with the dog, the dog passes the slide, hydraulic cylinder is connected to the dog, the slider articulates there is the actuating lever, the actuating lever is provided with the key shape hole, the actuating lever links up locating pin, bull stick, the gear box still is provided with output gear, output gear links up two-way hob, two-way hob connects the nut seat, the nut seat is connected with plumbous door.

2. The medical lead door opening and closing linkage device according to claim 1, wherein the rotary disc is coaxially connected with an input gear, the input gear is connected with a gear set, and the gear set comprises a plurality of sets of coaxially arranged small gears and large gears.

3. The medical lead door opening and closing linkage device according to claim 2, wherein one end of the gear set, which is far away from the rotary table, is jointed with a driving spur gear, the driving spur gear is coaxially connected with a driving bevel gear, the driving bevel gear is jointed with a driven bevel gear, and the driven bevel gear is coaxially connected with an output gear.

4. The medical lead door opening and closing linkage device according to claim 1, wherein a ground is arranged below the lead door, a rail with a rectangular cross section is installed on the ground, a rail groove is formed in the lead door corresponding to the rail, a plurality of rollers are arranged in the rail groove, and the rail groove is connected with the rail.

5. The medical lead door opening and closing linkage device according to claim 1, wherein the lead door is provided with a protrusion and a groove.

6. The medical lead door opening and closing linkage device according to claim 1, wherein a driven gear is mounted on the bidirectional screw rod, and the driven gear is meshed with an output gear.