CN220495202U

CN220495202U - Clinical trial dense mining vehicle

Info

Publication number: CN220495202U
Application number: CN202321855910.9U
Authority: CN
Inventors: 李倩
Original assignee: 8th Medical Center of PLA General Hospital
Current assignee: 8th Medical Center of PLA General Hospital
Priority date: 2023-07-14
Filing date: 2023-07-14
Publication date: 2024-02-20
Anticipated expiration: 2033-07-14

Abstract

The utility model discloses a clinical trial dense mining vehicle, which relates to the technical field of clinical trial auxiliary equipment and comprises a vehicle base, wherein a stabilizing mechanism is arranged at the upper end of the vehicle base and comprises a first fixing block, a first gear cone is movably connected inside each of two groups of the first fixing blocks, a second fixing block is arranged on two sides of each of the first fixing blocks, a second gear cone is arranged at the middle position of each of the two groups of the first fixing blocks, and two ends of each of the second gear cones are movably connected with the inside of each of the second fixing blocks. According to the utility model, through the fact that the two first gear cones are prevented from rotating respectively when the two first gear cones rotate in opposite directions, the stability is improved when the steady frame drives the moving wheel to advance, and meanwhile, the steering seat is movably connected with the movable limiting block at the lower end of the steady frame, so that the dense mining vehicle can freely steer and advance, and the clinical test dense mining work can be conveniently and smoothly carried out.

Description

Clinical trial dense mining vehicle

Technical Field

The utility model relates to the technical field of clinical test auxiliary equipment, in particular to a clinical test dense mining vehicle.

Background

Clinical trials refer to trials in which a human body (patient or healthy subject) is the subject, and are systematic trials intended to discover or verify clinical medicine, pharmacology, and other pharmacodynamic effects, adverse effects, or absorption, distribution, metabolism, and excretion of a test drug to determine the efficacy and safety of the drug.

Among the prior art, as chinese patent CN214105011U discloses a clinical trial closely adopts the car, including closely adopting the car body, close being provided with first workstation and second workstation on adopting the car body, first workstation setting is provided with the draw-in groove on first workstation and second workstation, the draw-in groove bottom is provided with the layer board, be provided with tooth-shaped groove between layer board both sides and the draw-in groove lateral part, the layer board top is provided with the cardboard, but the both sides of cardboard pass through slider and the spout sliding connection of setting in the draw-in groove both sides, the cardboard bottom is provided with the gear shaft, the gear shaft is provided with two, set up respectively in tooth-shaped groove and cooperate with the external tooth of gear shaft, the gear shaft is driven by driving motor, place trial acquisition equipment between cardboard and the draw-in groove wall.

However, in the prior art, due to different ground flatness of hospitals, the chassis of the dense mining vehicle is not easy to keep in a stable state when the dense mining vehicle is pushed to move, medical appliances placed on the vehicle are easy to shake and topple over, smooth operation of clinical trial dense mining is hindered, and aiming at the problems, the dense mining vehicle for clinical trial is provided.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, due to different ground flatness of hospitals, a vehicle base is not easy to keep in a stable state when a dense mining vehicle is pushed to move, medical appliances placed on the vehicle are easy to shake and topple over, and smooth operation of clinical trial dense mining work is hindered.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a clinical trial closely adopts car, includes the car base, the upper end of car base is provided with steady mechanism, steady mechanism includes a fixed block, two sets of the equal swing joint in inside of a fixed block has a gear cone, the both sides of a fixed block all are provided with No. two fixed blocks, two sets of the intermediate position department of a fixed block is provided with No. two gear cones, no. two gear cone's both ends all with the inside swing joint of No. two fixed blocks, no. two gear cone's lateral wall just is located both sides position department and meshes with the lateral wall of two sets of gear cones respectively, two sets of the equal fixedly connected with steady frame of one end of a gear cone, two sets of the equal fixedly connected with movable stopper in both ends of steady frame, four sets of the equal swing joint in lower extreme of movable stopper has the steering seat, four sets of steering seat's inner wall swing joint has the motion wheel.

Preferably, one side of the vehicle base is fixedly connected with an armrest, a placing frame is arranged above the vehicle base, and a lifting mechanism is arranged at the lower end of the placing frame.

Preferably, elevating system includes expansion bracket, telescopic link and engaging lug, four groups of protruding ends that the expansion bracket is close to one side are equal fixedly connected with supporting wheel, the upper end of car base with put the lower extreme of frame and seted up two sets of spouts respectively, the both sides of telescopic link are provided with the spacing ring, the both sides of expansion bracket just are close to lower extreme position department respectively with two sets of engaging lugs, the lower extreme of two sets of engaging lugs all with the upper end fixed connection of car base, one side swing joint who puts the frame has the rotation connecting piece, the other end of rotation connecting piece with the outer wall swing joint of handrail.

Preferably, the lower ends of the first fixing blocks are fixedly connected with the upper end of the vehicle base, and the lower ends of the second fixing blocks are fixedly connected with the upper end of the vehicle base.

Preferably, the two groups of supporting wheels are respectively connected with the placing frame in a sliding manner through two groups of sliding grooves, and the other two groups of supporting wheels are respectively connected with the vehicle base in a sliding manner through the other two groups of sliding grooves.

Preferably, both ends of the telescopic rod are movably connected with the outer wall of the telescopic frame, and the inner wall of the limiting ring is fixedly connected with the outer wall of the telescopic frame.

Preferably, the two sides of the expansion bracket and the position close to the upper end are respectively and movably connected with the other two groups of connecting lugs, and the upper ends of the other two groups of connecting lugs are fixedly connected with the lower end of the placing bracket.

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

1. according to the utility model, one group of stable frames drive one group of gear cones to rotate, and the other group of stable frames drive the other group of gear cones to rotate in the opposite direction, and as the two sides of the second group of gear cones are respectively meshed with the two groups of gear cones, the second group of gear cones respectively prevent the rotation of the two groups of gear cones when the two groups of gear cones simultaneously rotate in opposite directions, so that the stability is improved when the stable frames drive the moving wheels to advance, and meanwhile, the steering seat is movably connected with the movable limiting block at the lower end of the stable frames, so that the dense mining vehicle can freely rotate and advance, and the smooth operation of clinical trial dense mining is facilitated.

2. According to the utility model, the telescopic rod is started, the telescopic end of the telescopic rod stretches to drive the telescopic frame to stretch, and the two groups of supporting wheels slide inwards along the sliding groove, so that the telescopic frame can freely stretch and simultaneously ensure stable support and lifting of the placing frame, the rotating connecting piece can rotate upwards when the placing frame lifts, the connection relation between the placing frame and the handrail is enhanced, and the structure of the dense mining vehicle is firmer.

Drawings

Fig. 1 is a schematic diagram of a front perspective view of a clinical trial dense mining vehicle;

FIG. 2 is a schematic diagram showing a side view and a three-dimensional structure of a clinical trial dense mining vehicle;

fig. 3 is a schematic diagram of a split structure of a clinical trial dense mining vehicle according to the present utility model;

fig. 4 is a schematic perspective view of a stabilizing mechanism of a clinical trial dense mining vehicle;

fig. 5 is a schematic diagram showing a three-dimensional structure of a moving wheel and a movable limiting block of a clinical trial dense mining vehicle.

Legend description: 1. a vehicle base; 2. a stabilizing mechanism; 21. a stationary frame; 22. a first gear cone; 23. a second gear cone; 24. a first fixed block; 25. a second fixed block; 26. a moving wheel; 27. a steering seat; 28. a movable limiting block; 3. an armrest; 4. a lifting mechanism; 41. a telescopic frame; 42. a support wheel; 43. rotating the connecting piece; 44. a telescopic rod; 45. a connecting lug; 46. a limiting ring; 47. a chute; 5. and a placing rack.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

Example 1

As shown in fig. 1-5, the utility model provides a clinical trial dense mining vehicle, which comprises a vehicle base 1, wherein a stabilizing mechanism 2 is arranged at the upper end of the vehicle base 1, the stabilizing mechanism 2 comprises a first fixed block 24, a first gear cone 22 is movably connected to the inside of two groups of first fixed blocks 24, second fixed blocks 25 are arranged on two sides of the first fixed block 24, a second gear cone 23 is arranged at the middle position of the two groups of first fixed blocks 24, two ends of the second gear cone 23 are movably connected with the inside of the second fixed block 25, the outer side walls of the second gear cone 23 are respectively meshed with the outer side walls of the two groups of first gear cones 22 at two side positions, one ends of the two groups of first gear cones 22 are fixedly connected with a stabilizing frame 21, two ends of the two groups of stabilizing frames 21 are fixedly connected with movable limiting blocks 28, the lower ends of the four groups of movable limiting blocks 28 are movably connected with steering seats 27, and the inner walls of the four groups of steering seats 27 are movably connected with moving wheels 26.

In the following, the specific arrangement and action of the present embodiment will be specifically described, when the ground surface of the front of the dense mining vehicle is uneven, the moving wheels 26 at the two ends of the stationary frame 21 will move up and down, so that one group of stationary frames 21 will rotate with one group of first gear cones 22, and the other group of stationary frames 21 will drive the other group of first gear cones 22 to rotate in opposite directions, because the two sides of the second gear cone 23 are respectively engaged with the two groups of first gear cones 22, the second gear cone 23 will prevent the rotation of the two groups of first gear cones 22 when the two groups of first gear cones 22 rotate in opposite directions, thereby improving the stability when the stationary frames 21 drive the moving wheels 26 to advance, and meanwhile, the steering seat 27 is movably connected with the movable limiting block 28 at the lower end of the stationary frame 21, so that the dense mining vehicle can freely rotate forward, and the dense mining work of clinical test can be conveniently and smoothly performed.

Example two

As shown in fig. 1-5, one side fixedly connected with handrail 3 of car base 1, the top of car base 1 is provided with puts the frame 5, the lower extreme of putting the frame 5 is provided with elevating system 4, elevating system 4 includes expansion bracket 41, telescopic link 44 and engaging lug 45, four groups of protruding ends that expansion bracket 41 is close to one side are equal fixedly connected with supporting wheel 42, two sets of spouts 47 have been seted up respectively to the upper end of car base 1 and the lower extreme of putting the frame 5, the both sides of telescopic link 44 are provided with spacing ring 46, the both sides of expansion bracket 41 and be close to lower extreme position department respectively with two sets of engaging lug 45, the lower extreme of two sets of engaging lug 45 all is connected with the upper end of car base 1 fixedly, one side swing joint of putting the frame 5 has rotation connecting piece 43, the other end of rotation connecting piece 43 and the outer wall swing joint of handrail 3, the lower extreme of two sets of No. one fixed block 24 all is connected with the upper end fixedly with car base 1, the lower extreme of two sets of No. 25 all is connected with the upper end fixedly with car base 1, two sets of supporting wheel 42 pass through two sets of spouts 47 and engaging lug 5 respectively, the both sides of supporting wheel 42 are connected with the upper end fixedly with the other two sets of supporting wheel 45 respectively, the other two sets of connecting lug 45 are connected with the upper end fixedly connected with the outer wall 45 of the other two sets of engaging lug 45 respectively.

The effect that its whole embodiment reached is, through starting telescopic link 44, and the extension of telescopic link 44's flexible end drives expansion bracket 41 and stretches, and two sets of supporting wheels 42 inwards slide along spout 47, guarantees steadily to support and rise when making things convenient for expansion bracket 41 free extension and puts frame 5, rotates connecting piece 43 and can upwards rotate when putting frame 5 and rise, strengthens the relation of connection of putting frame 5 and handrail 3, makes the structure of close mining car more firm.

The application method and the working principle of the device are as follows: when the ground that the dense mining vehicle advanced is uneven, the motion wheel 26 at the both ends of steady frame 21 can up-and-down motion, make a set of steady frame 21 take a set of gear awl 22 to rotate, simultaneously another set of steady frame 21 drives another set of gear awl 22 opposite direction rotation, because the both sides of second gear awl 23 mesh with two sets of gear awl 22 respectively, so second gear awl 23 prevents the rotation of two sets of gear awl 22 respectively when two sets of gear awl 22 simultaneously rotate towards opposite directions, and then promote steady frame 21 to drive the stability improvement when motion wheel 26 advances, simultaneously the movable stopper 28 swing joint of steering seat 27 and steady frame 21 lower extreme can make the dense mining vehicle freely turn forward, make things convenient for going on of clinical trial dense mining work smoothly, in addition, through starting telescopic link 44, telescopic end extension drive expansion bracket 41 of telescopic link 44 stretches, two sets of supporting wheels 42 slide inwards along spout 47, guarantee smooth support and lifting frame 5 when making things convenient for telescopic bracket 41 free extension, rotating connector 43 can be when lifting frame 5, put and put the firm structure of the dense mining vehicle that makes that the dense mining vehicle put more firm with the connection of 3.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. The utility model provides a clinical trial closely adopts car, includes car base (1), its characterized in that: the upper end of car base (1) is provided with steady mechanism (2), steady mechanism (2) include fixed block (24), two sets of the inside equal swing joint of fixed block (24) has gear awl (22) No. one, the both sides of fixed block (24) all are provided with No. two fixed blocks (25), two sets of the intermediate position department of fixed block (24) is provided with gear awl (23) No. two, the both ends of gear awl (23) No. two all with the inside swing joint of fixed block (25) No. two, the lateral wall of gear awl (23) just is located the lateral wall meshing of gear awl (22) No. two sets of respectively of in both sides position department, two sets of the equal fixedly connected with steady frame (21) of one end of gear awl (22), two sets of the both ends of steady frame (21) are equal fixedly connected with movable stopper (28), four sets of the lower extreme of movable stopper (28) all swing joint has steering seat (27), four sets of inner wall swing joint (26) of steering seat (27).

2. The clinical trial dense mining vehicle of claim 1, wherein: one side fixedly connected with handrail (3) of car base (1), the top of car base (1) is provided with puts frame (5), the lower extreme of putting frame (5) is provided with elevating system (4).

3. The clinical trial dense mining vehicle of claim 2, wherein: elevating system (4) are including expansion bracket (41), telescopic link (44) and engaging lug (45), four groups of protruding ends that expansion bracket (41) are close to one side are equal fixedly connected with supporting wheel (42), two sets of spouts (47) have been seted up respectively to the upper end of car base (1) with put the lower extreme of frame (5), the both sides of telescopic link (44) are provided with spacing ring (46), the both sides of expansion bracket (41) just are close to lower extreme position department respectively with two sets of engaging lug (45), the lower extreme of two sets of engaging lug (45) all with the upper end fixed connection of car base (1), one side swing joint of putting frame (5) has rotation connecting piece (43), the other end of rotation connecting piece (43) with the outer wall swing joint of handrail (3).

4. The clinical trial dense mining vehicle of claim 1, wherein: the lower ends of the first fixing blocks (24) are fixedly connected with the upper end of the vehicle base (1), and the lower ends of the second fixing blocks (25) are fixedly connected with the upper end of the vehicle base (1).

5. A clinical trial dense mining vehicle according to claim 3, wherein: the two groups of supporting wheels (42) are respectively connected with the placing frame (5) in a sliding way through two groups of sliding grooves (47), and the other two groups of supporting wheels (42) are respectively connected with the vehicle base (1) in a sliding way through the other two groups of sliding grooves (47).

6. A clinical trial dense mining vehicle according to claim 3, wherein: both ends of the telescopic rod (44) are movably connected with the outer wall of the telescopic frame (41), and the inner wall of the limiting ring (46) is fixedly connected with the outer wall of the telescopic frame (41).

7. A clinical trial dense mining vehicle according to claim 3, wherein: the two sides of the telescopic frame (41) are movably connected with two other groups of connecting lugs (45) respectively at positions close to the upper ends, and the upper ends of the other two groups of connecting lugs (45) are fixedly connected with the lower ends of the placing frames (5).