CN113314002A

CN113314002A - Presentation device for pathophysiology teaching of being convenient for

Info

Publication number: CN113314002A
Application number: CN202110606876.0A
Authority: CN
Inventors: 谢琳琳; 杨珺; 潘献柱; 汪晓庆; 吴义春
Original assignee: Anhui Medical College
Current assignee: Anhui Medical College
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2021-08-27
Anticipated expiration: 2041-06-01
Also published as: CN113314002B

Abstract

The invention relates to the technical field of pathophysiology teaching, and discloses a demonstration device convenient for pathophysiology teaching. A clamping space for clamping and fixing the container barrel is formed between the two clamping plates. The container section of thick bamboo that will accept pathophysiology sample is accomodate at the internal of cabinet to carry out the teaching demonstration of all kinds of pathophysiology model samples through the observation window on the cabinet door, improved the teaching security, guaranteed the normal clear of teaching demonstration, simultaneously through setting up locking device, only need order about the cabinet door and rotate closed or open, can be synchronous and automatic realize the clamping of a container section of thick bamboo in the cabinet body or pine take off, make the container section of thick bamboo place more steadily at the internal of cabinet.

Description

Presentation device for pathophysiology teaching of being convenient for

Technical Field

The invention relates to the technical field of pathophysiology teaching, in particular to a demonstration device convenient for pathophysiology teaching.

Background

Pathophysiology is based on physiology, biochemistry and molecular biology, immunology, pathology, biophysics, etc. The main tasks of pathophysiology are to study the etiology and pathogenesis of diseases and the metabolism and function change of the diseased organism, provide theoretical and experimental basis for the prevention and treatment of diseases, and are an important basic course in medical teaching. Pathophysiology is the theoretical basis for understanding and preventing diseases, and is a bridge between basic medicine and clinical medicine.

Since 1955, pathophysiology teaching and research rooms were established in higher medical institutions throughout the country, and a new course of pathophysiology was developed. The majority of pathophysiology workers finally step on the way of pathophysiology teaching development through repeated groping in the aspects of teaching material construction, teaching reform and the like. In scientific research, Chinese pathophysiology workers have enjoyed research results in medical genetics, immunopathology, transplantation immunology, tumor etiology and pathogenesis, frostbite, burn, shock, microcirculation disturbance, mountain sickness, anoxia, fever, inflammation, radiation diseases, cardiovascular diseases, hematopathy, endocrine system diseases, acute abdomen diseases, certain infectious diseases, endemic diseases such as leptospirosis, keshan disease, fever, hypokalemia paralysis and the like.

For the teaching of pathophysiology, the theory, model learning and practice are combined, so that students can have firmer professional basic functions and can more intuitively know the pathological principle. Therefore, during course teaching of pathophysiology, a large number of models are used for demonstration to assist in learning to understand knowledge.

Present pathophysiology presentation device has included and has acceptd all kinds of pathophysiology model specimens that are used for teaching demonstration in a container section of thick bamboo, nevertheless because a container section of thick bamboo is mostly the transparent glass material of being convenient for observe, when the teacher is using it to teach the demonstration, owing to lack necessary protective structure, the container section of thick bamboo accident appears easily and drops the phenomenon of breaking into pieces, not only can produce danger, influences the normal clear of teaching demonstration simultaneously.

Disclosure of Invention

In order to solve the technical problem that the prior art pathophysiology demonstration device lacks a protective structure for various pathophysiology model specimens contained in a container barrel for teaching demonstration and is easy to accidentally fall and break, the invention provides the device convenient for pathophysiology teaching.

The invention is realized by adopting the following technical scheme: a presentation device convenient for pathophysiology teaching comprises a container barrel for accommodating pathophysiology specimens, a cabinet body for accommodating the container barrel, a cabinet door rotatably arranged on the cabinet body and a locking device, wherein the locking device comprises a carrying platform supported at the bottom of the container barrel, two clamping plates oppositely arranged at the top of the container barrel and a distance adjusting mechanism; a clamping space for clamping and fixing the container barrel is formed between the two clamping plates;

when the cabinet door is gradually rotated and closed on the cabinet body, the distance adjusting mechanism is used for gradually reducing the distance between the two clamping plates.

As a further improvement of the scheme, one side of the cabinet door is oppositely provided with two first fixing blocks, a first rotating shaft is arranged between the two first fixing blocks, and one side of the cabinet door is fixedly sleeved on the outer peripheral side of the first rotating shaft.

As a further improvement of the above scheme, when the cabinet door is closed on the cabinet body, a first sliding groove and a second sliding groove are respectively and longitudinally formed on one side of the cabinet body, which is close to the cabinet door, and one side of the cabinet body, which is close to the first rotating shaft; the first sliding groove is positioned right above the second sliding groove; a tooth rotating opening perpendicular to the first sliding groove is formed in one side, close to the first rotating shaft, of the cabinet body; one side of the chute, which faces the container barrel, is provided with an opening which is communicated with the chute and is parallel to the chute; and a vertical rod groove extending longitudinally is formed in the wall of the cabinet body and is communicated with the first sliding groove and the second sliding groove.

As a further improvement of the above scheme, the distance adjusting mechanism includes a screw rod rotatably inserted on the carrier and perpendicular to the two phases of the sliding groove, the carrier is rotatably inserted with the screw rod perpendicular to the two phases of the sliding groove, the screw threads on the outer surfaces of the screw rod on both sides of the screw rod in the axial direction have opposite turning directions, two nut sleeves adapted to the two turning directions of the two threads are respectively sleeved on the screw rod, push rods perpendicular to the screw rod are respectively arranged on the tops of the two nut sleeves, and the two clamp plates are located between the two push rods; the two push rods are respectively and elastically connected with the two clamping plates; and a first telescopic rod is arranged between the adjacent push rod and the clamping plate.

As a further improvement of the scheme, a second telescopic rod is arranged between the push rod and the clamping plate, and a first spring is sleeved on the outer side of the second telescopic rod.

As a further improvement of the above scheme, the distance adjusting mechanism further comprises a first gear which is fixedly sleeved on the first rotating shaft and corresponds to the tooth rotating opening, a first slide bar which is slidably arranged in the first sliding groove, a second slide bar which is slidably arranged in the second sliding groove, and a synchronizing rod which is slidably arranged in the vertical rod groove; one side of the first sliding strip, which is close to the first chute notch, is provided with a first rack which is coaxial with the first sliding strip;

part of tooth bodies of the first gear extend into the tooth rotating opening to be meshed with the teeth of the first rack; two ends of the synchronous rod are respectively and fixedly connected with the first sliding strip and the second sliding strip in a vertical mode; a second rack is arranged on one side, facing the opening, of the second slide bar;

a second rotating shaft and a third rotating shaft are oppositely arranged in the cabinet body, a first belt wheel and a second gear are sequentially arranged on the second rotating shaft, and a second belt wheel and a first bevel gear are sequentially arranged on the second rotating shaft; the gear teeth of the second rack penetrate into the cabinet body through the opening to be meshed with the second gear; the first belt wheel and the second belt wheel are in transmission connection through a belt; one end of the screw rod, which is close to the first bevel gear, is provided with a second bevel gear meshed with the first bevel gear.

As a further improvement of the above scheme, a third telescopic rod is arranged between one end of the first sliding strip, which is far away from the first chute opening, and the corresponding chute wall of the first sliding chute, and a second spring is sleeved outside the third telescopic rod.

As a further improvement of the scheme, a second fixed block is arranged on the cabinet body, a locking rod is vertically inserted into the second fixed block, and a lock hole matched with the locking rod is formed in the cabinet door.

As a further improvement of the scheme, a through groove in sliding fit with the locking rod is formed in the second fixing block, and the locking rod is in clamping fit with the locking hole.

As a further improvement of the scheme, the cabinet door is provided with an observation window.

The invention has the beneficial effects that:

the demonstration device convenient for pathophysiology teaching, provided by the invention, is used for accommodating the container barrel accommodating pathophysiology samples in the cabinet body, and performing teaching demonstration on various pathophysiology model samples through the observation window on the cabinet door, so that the teaching safety is improved, the normal progress of the teaching demonstration is ensured, and meanwhile, through the arrangement of the locking device, the container barrel in the cabinet body can be synchronously and automatically clamped or loosened only by driving the cabinet door to rotate to be closed or opened, so that the container barrel is more stably placed in the cabinet body.

Drawings

Fig. 1 is a structural schematic diagram of a state in which a cabinet door of a presentation apparatus for pathophysiology teaching provided by embodiment 1 of the present invention is rotated and closed on a cabinet body;

fig. 2 is a structural schematic diagram of a state in which a cabinet door in the presentation device for facilitating pathophysiology teaching in fig. 1 is rotated and opened on a cabinet body;

FIG. 3 is a schematic top view of the carrier and clamping plate of FIG. 2;

FIG. 4 is a schematic top view cross-sectional view of a portion of a vertical chute of the cabinet of FIG. 2;

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

fig. 6 is an enlarged schematic view of the structure at B in fig. 2.

Description of the main symbols:

1. a cabinet body; 2. a cabinet door; 3. a stage; 4. a canister; 5. a splint; 6. an observation window; 7. a first fixed block; 8. a first rotating shaft; 9. a first gear; 10. a first sliding chute; 11. a vertical rod groove; 12. a second chute; 13. a first slide bar; 14. a first rack; 15. a synchronization lever; 16. a second slide bar; 17. a second rack; 18. a second rotating shaft; 19. A first belt wheel; 20. a second gear; 21. a rotating shaft III; 22. a second belt wheel; 23. a first bevel gear; 24. a screw; 25. A second bevel gear; 26. a nut sleeve; 27. a push rod; 28. a first telescopic rod; 29. a second telescopic rod; 30. a first spring; 31. a third telescopic rod; 32. a second spring; 33. a second fixed block; 34. a locking lever; 35. turning the mouth by teeth; 36. And (6) locking the hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1

Please refer to fig. 1 to 6, the demonstration apparatus for pathophysiology teaching comprises a container barrel 4 for accommodating pathophysiology specimens, a cabinet 1 for accommodating the container barrel 4, a cabinet door 2 rotatably disposed on the cabinet 1, and a locking device. A container section of thick bamboo 4 is the whole cylindrical transparent barrel that is of this embodiment, can store pathophysiology sample and put into container section of thick bamboo 4 to carry out the teaching demonstration in the classroom. The cabinet body 1 is of a rectangular structure, the front face of the cabinet body 1 is provided with a containing opening (not marked) for containing the container barrel 4, and the cabinet door 2 can be arranged to seal the containing opening so as to protect the container barrel 4 well.

The locking device comprises a carrier 3 supported at the bottom of a container barrel 4, two clamping plates 5 oppositely arranged at the top of the container barrel 4 and a distance adjusting mechanism. A clamping space for clamping and fixing the container barrel 4 is formed between the two clamping plates 5. The bottom of the carrier 3 is fixed in the cabinet 1. The clamping plate in the embodiment is of a partial arc-shaped structure, can clamp and fix the container barrel 4, and can adopt clamping plates with adaptive shape structures according to different shapes of the container barrel 4 in other embodiments so as to ensure effective clamping of the container barrel 4.

Wherein when cabinet door 2 rotates gradually on the cabinet body 1 and closes, roll adjustment mechanism is used for reducing the interval between two splint 5 gradually, only needs to place a container section of thick bamboo 4 on microscope carrier 3 between two splint 5, just can make splint 5 accomplish fixed convenient and fast to the centre gripping of a container section of thick bamboo 4 when closing cabinet door 2.

Two first fixing blocks 7 are oppositely arranged on one side of the cabinet door 2, a first rotating shaft 8 is arranged between the two first fixing blocks 7, two ends of the first rotating shaft 8 are rotatably connected with opposite sides of the two first fixing blocks 7 through bearings, and the first rotating shaft 8 can rotate between the two first fixing blocks 7. The fixed cover in one side of cabinet door 2 is established on the periphery side of pivot 8 for cabinet door 2 accessible pivot 8 rotates 1 relative cabinets body, rotates to realize that cabinet door 2 rotates on 1 cabinets body and opens or rotate the closure. In order to ensure the rotation opening and closing of the cabinet door 2 on the cabinet body 1, the first fixing block 7 can be designed into a corresponding shape structure so as to avoid interference on the rotation opening and closing of the cabinet door 2 on the cabinet body 1.

When the cabinet door 2 is closed on the cabinet body 1, the first sliding groove 10 and the second sliding groove 12 are respectively and longitudinally arranged on one side of the cabinet body 1 close to the cabinet door 2 and one side of the rotating shaft 8, the first sliding groove 10 is located right above the second sliding groove 12, and then the first sliding groove 10 and the second sliding groove 12 in the embodiment are both longitudinally extended. A tooth rotating opening 35 vertical to the sliding groove I10 is formed in one side, close to the rotating shaft I8, of the cabinet body 1. The tooth rotating opening 35 can be used for the first gear 9 to extend into and does not interfere with the rotation of the first gear 9 in the tooth rotating opening.

The side of the second sliding chute 12 facing the container barrel 4 has an opening (not labeled) in communication with and parallel to it. A vertical rod groove 11 extending longitudinally is formed in the wall of the cabinet body 1, and the vertical rod groove 11 is communicated with the first sliding groove 10 and the second sliding groove 12. Two ends of the vertical rod groove 11 are perpendicular to the first sliding groove 10 and the second sliding groove 12.

The distance adjusting mechanism comprises a screw rod 24 which is rotatably inserted on the carrying platform 3 and is vertical to the second sliding groove 12, the thread turning directions of the screw rod 24 on the outer surfaces of the two sides of the axis direction of the screw rod are opposite, and two nut sleeves 26 which are matched with the two thread turning directions are respectively sleeved on the screw rod 24. In this embodiment, the outer surfaces of the two sides of the screw 24 are respectively provided with a left-hand screw-in external thread (not shown) and a right-hand screw-in external thread (not shown). By driving the screw 24 in rotation, the two nut bushes 26 can be moved closer to or further away from each other on the screw 24.

The tops of the two nut sleeves 26 are provided with push rods 27 perpendicular to the screw rods 24, and the two clamping plates 5 are positioned between the two push rods 27. The two push rods 27 are respectively elastically connected with the two clamping plates 5. A first telescopic rod 28 is arranged between the adjacent push rod 27 and the splint 5. The first telescoping rod 28 prevents the nut socket 26 from rotating with the threaded rod 24, keeping the nut socket 26 moving in the axial direction of the threaded rod 24.

A second telescopic rod 29 is arranged between the push rod 27 and the splint 5, and a first spring 30 is sleeved on the outer side of the second telescopic rod 29. Through the second telescopic rod 29 and the first spring 30 arranged between the clamping plate 5 and the push rod 27, the elastic deformation of the first spring 30 can be utilized to buffer the rigid impact when the clamping plate 5 is contacted with the container barrel 4, so that the container barrel 4 is prevented from being damaged.

The distance adjusting mechanism further comprises a first gear 9 which is fixedly sleeved on the first rotating shaft 8 and corresponds to the tooth rotating opening 35, a first slide bar 13 which is arranged in the first sliding groove 10 in a sliding mode, a second slide bar 16 which is arranged in the second sliding groove 12 in a sliding mode, and a synchronizing rod 15 which is arranged in the vertical rod groove 11 in a sliding mode. One side of the first slide bar 13 close to the notch of the first slide groove 10 is provided with a first rack 14 which is coaxial with the first slide bar.

Part of the tooth body of the first gear 9 extends into the tooth rotating opening 35 to be meshed with the teeth of the first rack 14. Two ends of the synchronous rod 15 are respectively and vertically and fixedly connected with the first slide bar 13 and the second slide bar 16. And a second rack 17 is arranged on one side of the second slide strip 16 facing the opening.

The second rotating shaft 18 and the third rotating shaft 21 are oppositely arranged in the cabinet body 1, and the second rotating shaft 18 and the third rotating shaft 21 are rotatably connected with the cabinet wall of the cabinet body through bearings, namely the second rotating shaft 18 and the third rotating shaft 21 can rotate relative to the cabinet body. The second rotating shaft 18 is sequentially provided with a first belt wheel 19 and a second gear 20, and the second rotating shaft 18 is sequentially provided with a second belt wheel 22 and a first bevel gear 23. The gear teeth of the second rack 17 penetrate into the cabinet body 2 through the opening to be meshed with the second gear 20. The first belt wheel 19 and the second belt wheel 22 are in transmission connection through a belt (not shown). One end of the screw 24 close to the first bevel gear 23 is provided with a second bevel gear 25 meshed with the first bevel gear 23.

A third telescopic rod 31 is arranged between one end of the first slide bar 13, which is far away from the notch of the first sliding groove 10, and the groove wall corresponding to the first sliding groove 10, and a second spring 32 is sleeved outside the third telescopic rod 31. Through the elastic force of the telescopic rod III 31 and the spring II 32, the cabinet door 2 can be opened in a rotating mode more labor-saving mode.

The cabinet body 1 is provided with a second fixed block 33, the second fixed block 33 is vertically inserted with a locking rod 34, and the cabinet door 1 is provided with a locking hole 36 matched with the locking rod 34. Through the locking rod 34 and the locking hole 36, the cabinet door 2 can be locked and fixed after being rotated and closed on the cabinet body 1.

The cabinet door 2 is provided with an observation window 6, and the container barrel 4 in the cabinet body 1 can be conveniently observed through the observation window 6.

The theory of operation of this embodiment specifically does, when needs save pathophysiology sample, drops into a container section of thick bamboo 4 with this sample earlier, places a container section of thick bamboo 4 on lieing in the microscope carrier 3 between two splint 5, rotates cabinet door 2 afterwards to its closed on the cabinet body 1, utilize locking lever 34 and lockhole 36 to accomplish on cabinet door 2 at last the cabinet body 1 locking fix can.

During the rotation and closing of the cabinet door 2, the cabinet door 2 drives the first rotating shaft 8 and the first gear 9 to rotate, the first gear 9 drives the first rack 14 to enable the first rack 14 to drive the first slide bar 13 to slide towards the inside of the first sliding groove 10, the first slide bar 13 drives the second slide bar 16 to synchronously move through the synchronizing rod 15, the second slide bar 16 drives the second gear 20, the first belt wheel 19, the second belt wheel 22, the first conical tooth 23 and the second conical tooth 25 to synchronously rotate through the second rack 17, the second conical tooth 25 drives the screw rod 24 to rotate, the screw rod 24 drives the two nut sleeves 26 to approach each other, the two clamp plates 5 respectively keep synchronous movement with the two nut sleeves 26 through the respective telescopic rods 29 and the push rods 27, so that the two clamp plates 5 approach each other, and the clamping and the holding of the container barrel 4 in the cabinet body 1 is completed.

During the teaching, the pathophysiology sample that is used for pathophysiology teaching demonstration in the container section of thick bamboo 4 in the 1 observation cabinet body of accessible observation window 6, perhaps open cabinet door 2 and take out container section of thick bamboo 4 and carry out closely the observation.

When the container barrel 4 needs to be taken out, the locking rod 34 is pulled out of the locking hole 36, and then the cabinet door 2 is rotated to be opened, during which the cabinet door 2 drives the first rotating shaft 8 and the first gear 9 to rotate reversely, the first gear 9 drives the first rack 14 to enable the first rack 14 to drive the first slide bar 13 to slide towards the first sliding groove 10, the first slide bar 13 drives the second slide bar 16 to move synchronously through the second synchronous rod 15, the second slide bar 16 drives the second gear 20, the first pulley 19, the second pulley 22, the first conical tooth 23 and the second conical tooth 25 to rotate synchronously and reversely, the second conical tooth 25 drives the screw 24 to rotate reversely, so that the screw 24 drives the two nut sleeves 26 to move away from each other, and the two clamp plates 5 keep moving synchronously with the two nut sleeves 26 through the respective second telescopic rods 29 and the push rods 27 to enable the two clamp plates 5 to move away from each other, so that the container barrel 4 can be conveniently taken out of the two clamp plates 5.

Example 2

In this embodiment 2, which is a preferable scheme of the embodiment 1, a through groove (not shown) in sliding fit with the locking rod 34 is formed on the second fixing block 33, and the locking rod 34 is in snap fit with the locking hole 36. Through with locking lever 34 propelling movement to lockhole in the pole groove in the block fixed to it is fixed, convenient and fast to realize cabinet door 2 installation on the cabinet body 1. In other embodiments, the second fixing block 33 may further have a threaded hole (not shown) that is in threaded engagement with the locking rod 34, and the locking rod 34 is screwed to interact with the threaded hole, so that the locking rod 34 extends into the locking hole 36 in the threaded hole to complete the engagement and fixation, and other locking manners may also be used as long as the locking fixation between the locking rod 34 and the locking hole 36 is not affected.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A presentation device convenient for pathophysiology teaching is characterized by comprising a container barrel for accommodating pathophysiology specimens, a cabinet body for accommodating the container barrel, a cabinet door rotatably arranged on the cabinet body and a locking device, wherein the locking device comprises a carrying platform supported at the bottom of the container barrel, two clamping plates oppositely arranged at the top of the container barrel and a distance adjusting mechanism; a clamping space for clamping and fixing the container barrel is formed between the two clamping plates;

2. The demonstration device convenient for pathophysiology teaching of claim 1, wherein one side of said cabinet door is oppositely provided with two first fixing blocks, a first rotating shaft is arranged between two first fixing blocks, and one side of said cabinet door is fixedly sleeved on the outer peripheral side of said first rotating shaft.

3. The presentation device convenient for pathophysiology teaching of claim 2, wherein when said cabinet door is closed on said cabinet body, a first sliding groove and a second sliding groove are respectively longitudinally arranged on one side of said cabinet body close to said cabinet door and one side close to said first rotating shaft; the first sliding groove is positioned right above the second sliding groove; a tooth rotating opening perpendicular to the first sliding groove is formed in one side, close to the first rotating shaft, of the cabinet body; one side of the chute, which faces the container barrel, is provided with an opening which is communicated with the chute and is parallel to the chute; and a vertical rod groove extending longitudinally is formed in the wall of the cabinet body and is communicated with the first sliding groove and the second sliding groove.

4. The presentation device convenient for pathophysiology teaching of claim 3, wherein said distance adjusting mechanism comprises a screw rotatably inserted on said carrier and perpendicular to said sliding groove, said carrier is rotatably inserted with a screw perpendicular to said sliding groove, the screw has opposite thread turning directions on the outer surfaces of both sides of the axis direction, said screw is respectively sleeved with two nut sleeves adapted to the two thread turning directions, the top of each nut sleeve is provided with a push rod perpendicular to said screw, and two said clamp plates are located between two said push rods; the two push rods are respectively and elastically connected with the two clamping plates; and a first telescopic rod is arranged between the adjacent push rod and the clamping plate.

5. The demonstration device for facilitating pathophysiology teaching of claim 4, wherein a second expansion link is arranged between the push rod and the clamping plate, and a first spring is sleeved on the outer side of the second expansion link.

6. The presentation device convenient for pathophysiology teaching of claim 4 or 5, wherein said distance adjusting mechanism further comprises a first gear sleeved and fixed on said first rotating shaft and corresponding to the position of said tooth rotating opening, a first slide bar slidingly disposed in said first sliding groove, a second slide bar slidingly disposed in said second sliding groove, and a synchronizing rod slidingly disposed in said vertical rod groove; one side of the first sliding strip, which is close to the first chute notch, is provided with a first rack which is coaxial with the first sliding strip;

7. The demonstration device for facilitating pathophysiology teaching of claim 6, wherein a third telescopic rod is arranged between one end of said first slide bar, which is far away from the first notch of said sliding groove, and the corresponding groove wall of said first sliding groove, and a second spring is sleeved outside said third telescopic rod.

8. The demonstration device for facilitating pathophysiology teaching as claimed in claim 1, wherein a second fixed block is arranged on the cabinet body, a locking rod is vertically inserted into the second fixed block, and a lock hole matched with the locking rod is arranged on the cabinet door.

9. The demonstration device for facilitating pathophysiology teaching of claim 8, wherein a through groove in sliding fit with said locking rod is formed on said second fixing block, and said locking rod is in snap fit with said locking hole.

10. The presentation device for facilitating pathophysiology teaching of claim 1, wherein said cabinet door is provided with a viewing window.