CN221292724U - Drawing hanger for biological teaching - Google Patents

Abstract

The utility model belongs to the technical field of biological teaching, in particular to a drawing hanger for biological teaching, which comprises a hanger frame, wherein a pair of hanging legs are fixedly connected to the upper end and the lower end of the hanger frame near the rear side, a rotating handle is arranged on one side near the lower end of the hanger frame, a retraction roller is movably connected to the upper end and the lower end of the hanger frame near the inner side, one end of the retraction roller is fixedly connected with a transmission ring, the other end of the retraction roller is provided with a clamping auxiliary mechanism, and a slot is formed in one side of the retraction roller.

Description

Drawing hanger for biological teaching

Technical Field

The utility model relates to the technical field of biological teaching, in particular to a drawing hanger for biological teaching.

Background

The living beings refer to living bodies with kinetic energy and are also a collection of objects, the living beings of an individual refer to living bodies and are opposite to non-living beings, and when a teacher carries out biological teaching on students, in order to facilitate the students to better master knowledge points, graphic and text teaching is often carried out by combining drawings and the like, and the drawings are required to be fixed on a blackboard for teaching.

The utility model of China as the publication No. CN215737876U discloses a drawing hanger for biological teaching, which comprises a frame body and a blackboard, wherein the blackboard is fixedly arranged on the inner wall of the frame body, a guide groove is formed in the front side of the frame body, two rotating pins are slidably arranged in the guide groove, but the following problems still exist in the use process of the existing drawing hanger:

When current drawing hanger uses, mainly rely on adjustable anchor clamps to carry out direct centre gripping to the drawing, but if the drawing is longer, be the roll-up setting, when carrying out biological teaching, need carry out the installation and the dismantlement of drawing repeatedly, application range receives great influence, therefore it is very necessary to relate to a drawing hanger for biological teaching in being arranged in current biological teaching technical field.

Disclosure of utility model

In order to make up the defects of the prior art and solve the problem that the prior drawing hanger needs to repeatedly mount and dismount drawings when the drawings are arranged in a rolled shape opposite to each other, the application range is greatly influenced, the utility model provides the drawing hanger for biological teaching.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a drawing hanger for biological teaching, includes the hanger frame, the upper and lower both ends of hanger frame lean on the equal fixedly connected with of rear side a pair of hitching leg, and the lower extreme of hanger frame lean on one side to be provided with the commentaries on classics handle, the upper and lower both ends of hanger frame lean on the equal swing joint of inboard to have a receive and release roller, receive and release roller's one end fixedly connected with driving ring, and receive and release roller's the other end is provided with centre gripping complementary unit, receive and release roller's one side to have seted up the slot, two the opposite face of driving ring is equipped with the drive belt by outside cover, receive and release roller's inside symmetry is provided with two splint, the pressure receiving mouth has been seted up to the one end slope of splint, and one side fixedly connected with of splint is provided with a set of sliding ring, the outside of sliding ring is provided with reset spring.

Preferably, the auxiliary clamping mechanism comprises a pressing block, the upper side and the lower side of the pressing block are fixedly connected with sliding blocks, one end of the pressing block is fixedly connected with an anti-drop ring, the outer side of the anti-drop ring is sleeved with a threaded rod, and one end of the threaded rod is fixedly connected with a hand wheel.

Preferably, the transmission ring is movably connected with one side of the hanger frame, and one end of the rotating handle penetrates through the hanger frame and is fixedly connected with the transmission ring below the two transmission rings.

Preferably, the slots on one side of the two winding and unwinding rollers are symmetrically arranged, and the connection positions of the slots and the two clamping plates are positioned on the same vertical plane.

Preferably, the clamping plate and the sliding ring are both in sliding connection with the retraction roller, and two ends of the reset spring are respectively and fixedly connected with the sliding ring and the inner surface of the retraction roller.

Preferably, the extrusion block is matched with the pressure receiving opening, and the extrusion block and the sliding block are both in sliding connection with the winding and unwinding roller.

Preferably, the threaded rod penetrates through the other side of the hanger frame, and the threaded rod is rotationally connected with the hanger frame.

The utility model has the advantages that:

1. According to the utility model, the clamping auxiliary mechanism is matched with the clamping plates, the hand wheel is rotated, so that the threaded rod drives the extrusion block to extrude the two pressure receiving ports inwards, the two clamping plates move outwards, the drawing is convenient to insert, the hand wheel is reversely rotated, the extrusion block is reset, and under the action of the reset spring, the clamping plate resets the bottom end of the clamping drawing, so that the functions of rapidly clamping and disassembling the drawing are realized, the problem of troublesome loading and unloading of the drawing is solved, the teaching preparation time is shortened, and the drawing teaching efficiency is improved;

2. According to the utility model, the two winding and unwinding rollers are matched with each other, the winding and unwinding rollers are driven to rotate by the handle matched with the transmission ring, the drawing can be wound, and the two winding and unwinding rollers synchronously rotate in the same direction under the matching of the transmission ring and the transmission belt, so that the problem that the hanger cannot clamp a drawing with a longer length well is solved, the teaching part of the drawing is displayed step by step in a rotating mode, the teaching effect is improved, and the adaptability of the drawing hanger is enhanced.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a drawing hanger for biological teaching according to the present utility model;

FIG. 2 is a split view of the winding and unwinding roller and hanger frame of the present utility model;

FIG. 3 is a schematic view of the positional relationship between a drive ring and a drive belt according to the present utility model;

FIG. 4 is a cross-sectional view of the take-up and pay-off roller of the present utility model;

FIG. 5 is a perspective view of a slip ring of the present utility model;

Fig. 6 is a structural exploded view of the clamping assistance mechanism of the present utility model.

In the figure: 1. a hanger rack; 2. hanging feet; 3. a rotating handle; 4. a winding and unwinding roller; 5. a drive ring; 6. a clamping auxiliary mechanism; 7. a slot; 8. a transmission belt; 9. a clamping plate; 10. a pressure receiving port; 11. a slip ring; 12. a return spring; 13. extruding a block; 14. a sliding block; 15. anti-slip ring; 16. a threaded rod; 17. and a hand wheel.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The application will be described in further detail with reference to figures 1-6,

The embodiment of the application discloses a drawing hanger structure for biological teaching. Referring to fig. 1 and 6, a drawing hanger for biological teaching, including hanger frame 1, the equal fixedly connected with of rear side is leaned on at both ends about hanger frame 1a pair of hitching legs 2, and the lower extreme of hanger frame 1 is leaned on one side to be provided with changeing 3, the equal swing joint of both ends is leaned on the inboard about the lower both ends of hanger frame 1 has a roll of receiving and releasing 4, the one end fixedly connected with transmission ring 5 of roll of receiving and releasing 4, and the other end of roll of receiving and releasing 4 is provided with clamping auxiliary mechanism 6, slot 7 has been seted up to one side of roll of receiving and releasing 4, the relative face of two transmission rings 5 is leaned on outside cover and is equipped with drive belt 8, the inside symmetry of roll of receiving and releasing 4 is provided with two splint 9, the one end slope of splint 9 has been seted up pressure mouth 10, and one side fixedly connected with a set of sliding ring 11, the outside of sliding ring 11 is provided with reset spring 12, clamping auxiliary mechanism 6 includes extrusion 13, the upper and lower both sides of extrusion 13 are all fixedly connected with sliding block 14, and the one end fixedly connected with anticreep ring 15 of extrusion 13, and the outside cover of anticreep ring 15 is equipped with clamping auxiliary mechanism 6, the threaded rod 16 is equipped with the threaded rod 16, the length of the side of receiving and releasing 4 is just above the roll of receiving and releasing 4 is the roll of drawing 4, if the top is just fixed than the roll of receiving and releasing 4, if the top is needed, the top is set up and is just to be connected with the roll of drawing 4, and the top is just to the roll of receiving and releasing the top of drawing 4, if the top is set up to the top of rolling length is just to be just to the roll.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the driving ring 5 is movably connected with one side of the hanger frame 1, one end of the rotating handle 3 penetrates through the hanger frame 1 and the driving ring 5 which is close to the lower side of the two driving rings 5, the slots 7 on one side of the two winding and unwinding rollers 4 are symmetrically arranged, the joints of the slots 7 and the two clamping plates 9 are positioned on the same vertical plane, the clamping plates 9 and the sliding rings 11 are both in sliding connection with the winding and unwinding rollers 4, two ends of the reset spring 12 are respectively fixedly connected with the sliding rings 11 and the inner surfaces of the winding and unwinding rollers 4, the rotating handle 3 can be rotated in the same process of biological teaching, the two winding and unwinding rollers 4 can synchronously rotate in the same direction under the cooperation of the driving ring 5 and the driving belt 8, the display part of the winding drum is gradually adjusted, and the teaching effect is improved.

Referring to fig. 5 and 6, the extrusion block 13 is matched with the pressed port 10, the extrusion block 13 and the sliding block 14 are both in sliding connection with the retraction roller 4, the threaded rod 16 penetrates through the other side of the hanger frame 1, the threaded rod 16 is in rotating connection with the hanger frame 1, the hanger frame 1 is fixed on the front side of the blackboard through the hanging legs 2, then the hand wheel 17 above is rotated, the threaded rod 16 drives the extrusion block 13 to move inwards to extrude the two pressed ports 10, the two clamping plates 9 are further moved outwards, the sliding ring 11 pulls the reset spring 12 through the movement of the clamping plates 9, then the bottom end of a drawing is placed into the retraction roller 4 below through the slot 7, the hand wheel 17 is reversely rotated, the extrusion block 13 is reset, and the clamping plates 9 reset and clamp the bottom end of the drawing under the action of the reset spring 12.

Working principle: the hanger frame 1 is fixed on the front side of a blackboard through the hanging legs 2, then the hand wheel 17 close to the upper side is rotated, the threaded rod 16 drives the extrusion block 13 to move inwards to extrude the two pressed ports 10, then the two clamping plates 9 move outwards, the sliding ring 11 pulls the reset spring 12 through the movement of the clamping plates 9, then the bottom end of a drawing is placed into the lower receiving and releasing roller 4 through the slot 7, then the hand wheel 17 is reversely rotated, the extrusion block 13 is reset, under the action of the reset spring 12, the clamping plates 9 reset and clamp the bottom end of the drawing, if the length of the drawing is shorter, the top end of the drawing is connected with the receiving and releasing roller 4 close to the upper side, if the drawing is in a roll shape, the distance between the two receiving and releasing rollers 4 is exceeded, then the driving of the lower driving ring 5 and the receiving and releasing roller 4 can be rotated through the rotating handle 3, the lower part of the drawing is rolled up until the rest part is just aligned with the receiving and releasing roller 4 on the upper side, then the upper part of the fixed, then the rotating handle 3 can be rotated in the same way, the driving belt 5 and the two receiving and releasing rollers 4 are matched with the driving belt, the drawing is synchronously rotated, and the effect of the drawing is adjusted.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims (7)

1. Drawing hanger for biological teaching, including hanger frame (1), its characterized in that: the utility model discloses a hanger rack, including rack (1) and rack, the upper and lower both ends of rack (1) lean on the rear side to all fixedly connected with a pair of hitching leg (2), and the lower extreme of rack (1) lean on one side to be provided with revolving handle (3), the upper and lower both ends of rack (1) lean on inboard equal swing joint to receive and release roller (4), the one end fixedly connected with driving ring (5) of receive and release roller (4), and receive and release roller (4) the other end is provided with centre gripping auxiliary mechanism (6), slot (7) have been seted up to one side of receive and release roller (4), two the opposite face of driving ring (5) is equipped with driving belt (8) by outside cover, receive and release roller (4)'s inside symmetry is provided with two splint (9), pressure receiving mouth (10) have been seted up in splint (9) one end slope, and one side fixedly connected with of splint (9) slip ring (11), the outside of slip ring (11) is provided with reset spring (12).

2. The drawing hanger for biological teaching according to claim 1, wherein: the clamping auxiliary mechanism (6) comprises an extrusion block (13), sliding blocks (14) are fixedly connected to the upper side and the lower side of the extrusion block (13), an anti-drop ring (15) is fixedly connected to one end of the extrusion block (13), a threaded rod (16) is sleeved on the outer side of the anti-drop ring (15), and a hand wheel (17) is fixedly connected to one end of the threaded rod (16).

3. The drawing hanger for biological teaching according to claim 1, wherein: the transmission rings (5) are movably connected with one side of the hanger frame (1), and one end of the rotating handle (3) penetrates through the hanger frame (1) and is fixedly connected with the transmission ring (5) which is positioned below in the two transmission rings (5).

4. The drawing hanger for biological teaching according to claim 1, wherein: the slots (7) on one side of the two winding and unwinding rollers (4) are symmetrically arranged, and the joint of the slots (7) and the two clamping plates (9) is positioned on the same vertical plane.

5. The drawing hanger for biological teaching according to claim 1, wherein: the clamping plate (9) is in sliding connection with the sliding ring (11) and the winding and unwinding roller (4), and two ends of the reset spring (12) are fixedly connected with the sliding ring (11) and the inner surface of the winding and unwinding roller (4) respectively.

6. The drawing hanger for biological teaching according to claim 2, wherein: the extrusion block (13) is matched with the pressure receiving opening (10), and the extrusion block (13) and the sliding block (14) are both in sliding connection with the winding and unwinding roller (4).

7. The drawing hanger for biological teaching according to claim 2, wherein: the threaded rod (16) penetrates through the other side of the hanger frame (1), and the threaded rod (16) is rotationally connected with the hanger frame (1).