CN213958333U

CN213958333U - History teaching presentation device

Info

Publication number: CN213958333U
Application number: CN202023150664.6U
Authority: CN
Inventors: 李继勇; 刘晓燕
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-08-13
Anticipated expiration: 2030-12-24

Abstract

The utility model discloses a history teaching presentation device, including base, demonstration platform, aspirator pump, light filling lamp and horizontal pole, the top of base is fixed with the support column, and the top of support column is connected with the demonstration platform to the aspirator pump is installed to the left side below of demonstration platform, the right-hand member of aspirator pump is connected with the collecting box, the inboard of demonstration platform is provided with the gag lever post, the left side of gag lever post is connected with the threaded rod, and the right side of gag lever post is connected with the connecting rod, first spout has been seted up to the inboard left and right sides of demonstration platform, and the right side top of demonstration platform installs the light filling lamp, the top of support column is fixed with the ratchet, the below inboard of demonstration platform is provided with spacing fixture block. This history teaching presentation device is provided with support column, ratchet, spacing fixture block and spring, can make the rotation of demonstration platform below at support column top ratchet through rotating the demonstration platform, conveniently makes the demonstration platform rotate in the support column top to the demonstration of the different angles of demonstration platform.

Description

History teaching presentation device

Technical Field

The utility model relates to a historical teaching correlation technique field specifically is a historical teaching presentation device.

Background

History is the important way of research culture, and in vertical teaching process, need put historical ancient book on the demonstration bench through presentation device, make things convenient for people's teaching, and to current history teaching presentation device, still have some defects, for example:

the current historical teaching presentation device is inconvenient when using the stable regulation of use angle, and is not good to the fixed effect of historical document sample to inconvenient presentation device's dustproof, the use has the limitation, for this reason we propose a historical teaching presentation device, so that solve the problem that exists in the aforesaid.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a history teaching presentation device to solve above-mentioned background art and propose the inconvenient stable regulation of use angle of current history teaching presentation device when using, and be not good to the fixed effect of historical literature sample, and inconvenient presentation device's dustproof, the problem that the use has the limitation.

In order to achieve the above object, the utility model provides a following technical scheme: a history teaching demonstration device comprises a base, a demonstration platform, an aspirator pump, a light supplementing lamp and a cross rod, wherein a support column is fixed above the base, the demonstration platform is connected above the support column, the aspirator pump is installed below the left side of the demonstration platform, the right end of the aspirator pump is connected with a collection box, the surface of the collection box is connected with a fixing ring, the fixing ring is fixed below the demonstration platform, the left side of the aspirator pump is connected with a connecting pipe, the tail end of the connecting pipe is connected with a dust suction port, the inner side of the demonstration platform is provided with a limiting rod, the left side of the limiting rod is connected with a threaded rod, the right side of the limiting rod is connected with a connecting rod, the surface of the limiting rod is provided with a second chute, the left side and the right side of the inner side of the demonstration platform are provided with first chutes, the light supplementing lamp is installed above the right side of the demonstration platform, and a ratchet wheel is fixed above the support column, and a limiting clamping block is arranged on the inner side below the demonstration table.

Preferably, the limiting fixture blocks below the demonstration table form an elastic structure with the demonstration table through springs, four groups of the elastic structure are arranged below the demonstration table, and the demonstration table forms a rotating structure in meshed connection with the ratchet wheel above the supporting column through the limiting fixture blocks.

Preferably, the fixed rings below the collection box and the demonstration table are of detachable mounting structures, two groups of fixed rings are arranged, and the demonstration table is in rigid connection with the connecting pipe.

Preferably, both ends constitute sliding structure with the inboard first spout of demonstration platform about the gag lever post, and gag lever post and threaded rod are threaded connection to gag lever post and connecting rod are sliding structure.

Preferably, the light supplement lamp and the dust collection port are arranged correspondingly, and the length of the light supplement lamp is equal to that of the dust collection port.

Preferably, both ends constitute the sliding construction that the block is connected with the second spout on gag lever post surface around the horizontal pole, and the horizontal pole is provided with two sets ofly to the below of horizontal pole and gag lever post and the inside top of demonstration platform all bond and are provided with the protection pad.

Compared with the prior art, the beneficial effects of the utility model are that: the history teaching demonstration device;

(1) the demonstration table is provided with a support column, a ratchet wheel, a limiting clamping block and a spring, the rotation of the ratchet wheel above the support column below the demonstration table can be realized by rotating the demonstration table, the rotation of the demonstration table above the support column is facilitated, the demonstration of different angles of the demonstration table is facilitated, meanwhile, the ratchet wheel above the support column is clamped with the limiting clamping block and the spring below the demonstration table for use, the stability of the demonstration table after the angle is adjusted is facilitated, and the use effect of the device is improved;

(2) the dust collection port and the light supplement lamp are arranged, dust blowing in the demonstration table can be conveniently discharged into the collection box through the dust collection port through the connecting pipe and the suction pump, the use effect of the device is improved, and meanwhile, the practicability of the device is improved by matching with the light supplement lamp;

(3) be provided with gag lever post, threaded rod, connecting rod, horizontal pole and protection pad, can be through rotating the threaded rod, make the threaded rod drive the gag lever post and slide down on the connecting rod, and then conveniently make the guard pad downstream of gag lever post and horizontal pole below extrude historical documents fixed to the horizontal pole constitutes the sliding structure that the block is connected with the second spout on gag lever post surface, conveniently adjusts the position between 2 horizontal poles, improves the device's fixed effect.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the bottom view of the demonstration table of the present invention;

FIG. 3 is a schematic view of a top view structure of the demonstration table of the present invention;

fig. 4 is a schematic structural diagram of a portion a in fig. 2 according to the present invention.

In the figure: 1. a base; 2. a support pillar; 3. a demonstration table; 4. a getter pump; 5. a stationary ring; 6. a collection box; 7. a connecting pipe; 8. a dust suction port; 9. a limiting rod; 10. a first chute; 11. a threaded rod; 12. A second chute; 13. a connecting rod; 14. a light supplement lamp; 15. a protective pad; 16. a ratchet wheel; 17. a cross bar; 18. a limiting clamping block; 19. a spring.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a history teaching demonstration device comprises a base 1, a support column 2, a demonstration table 3, a suction pump 4, a fixed ring 5, a collection box 6, a connecting pipe 7, a dust suction port 8, a limiting rod 9, a first chute 10, a threaded rod 11, a second chute 12, a connecting rod 13, a light supplementing lamp 14, a protection pad 15, a ratchet wheel 16, a cross rod 17, a limiting fixture block 18 and a spring 19, wherein the support column 2 is fixed above the base 1, the demonstration table 3 is connected above the support column 2, the suction pump 4 is installed below the left side of the demonstration table 3, the right end of the suction pump 4 is connected with the collection box 6, the surface of the collection box 6 is connected with the fixed ring 5, the fixed ring 5 is fixed below the demonstration table 3, the left side of the suction pump 4 is connected with the connecting pipe 7, the tail end of the connecting pipe 7 is connected with the dust suction port 8, the inner side of the demonstration table 3 is provided with the limiting rod 9, the left side of the limiting rod 9 is connected with the threaded rod 11, and the right side of gag lever post 9 is connected with connecting rod 13 to second spout 12 has been seted up on the surface of gag lever post 9, first spout 10 has been seted up to the inboard left and right sides of demonstration platform 3, and the light filling lamp 14 is installed to the right side top of demonstration platform 3, and the top of support column 2 is fixed with ratchet 16, and the below inboard of demonstration platform 3 is provided with spacing fixture block 18.

Like in fig. 1, fig. 2 and fig. 4 spacing fixture block 18 below demonstration platform 3 constitutes elastic structure through spring 19 with demonstration platform 3, and this elastic structure is provided with four groups in demonstration platform 3's below, and demonstration platform 3 constitutes the rotating-structure that the meshing is connected through spacing fixture block 18 and ratchet 16 above support column 2, make things convenient for demonstration platform 3 to demonstrate the stable regulation of angle, for dismantling mounting structure, and retainer plate 5 is provided with two sets of for the retainer plate 5 below collection box 6 and demonstration platform 3 in fig. 1 and fig. 2, and demonstration platform 3 is rigid connection with the connected mode of connecting pipe 7, make things convenient for the dust removal of device.

Like in fig. 1 and 3 about gag lever post 9 both ends constitute sliding structure with the inboard first spout 10 of demonstration platform 3, and gag lever post 9 and threaded rod 11 are threaded connection, and gag lever post 9 is sliding structure with connecting rod 13, make things convenient for the fixed of historical document, light filling lamp 14 and dust absorption mouth 8 are for corresponding the setting, and the length of light filling lamp 14 equals with the length of dust absorption mouth 8, improve the device's light filling effect, both ends constitute the sliding structure of block connection with the second spout 12 on gag lever post 9 surface around horizontal pole 17, and horizontal pole 17 is provided with two sets ofly, and horizontal pole 17 and the below of gag lever post 9 and the inside top of demonstration platform 3 all bond and are provided with protection pad 15, make things convenient for the extrusion of different size historical documents fixed.

The working principle is as follows: firstly, when the demonstration table is used, historical documents to be demonstrated are placed on the surface of the demonstration table 3, the threaded rod 11 is rotated to drive the limiting rod 9 to ascend and descend, the limiting rod 9 and the cross rod 17 can move downwards conveniently, the limiting rod 9 and the protective pad 15 on the lower surface of the cross rod 17 can extrude the historical documents conveniently, the historical documents are fixed conveniently for demonstration, the cross rod 17 is clamped and slides on the second sliding groove 12 on the surface of the limiting rod 9, the fixed position of the historical documents can be adjusted conveniently, the using effect of the device is improved, when the demonstration table is used, the lower portion of the demonstration table 3 can rotate on the ratchet wheel 16 on the upper surface of the supporting column 2 by rotating the demonstration table 3, the limiting clamping block 18 and the spring 19 in the demonstration table 3 can effectively clamp the ratchet wheel 16, and the stability of the demonstration table 3 after rotation is facilitated;

when the dust collection device is used, the suction pump 4 can be turned on, the suction pump 4 can absorb dust in historical documents on the surface of the demonstration table 3 through the dust collection port 8, the dust can be conveniently discharged into the collection box 6 through the use of the suction pump 4 and the connecting pipe 7, meanwhile, the use effect of the demonstration device is improved by matching the use of the light supplement lamp 14 on the right side of the demonstration table 3, the use principle of the history teaching demonstration device is the principle, and the content which is not described in detail in the specification belongs to the prior art which is known by technicians in the field.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connected mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt among the prior art, and conventional model, including the conventional connected mode among the circuit connection adoption prior art, and the details are not repeated here, and the content that does not make detailed description in this description belongs to the prior art that skilled person in the art knows.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a history teaching presentation device, includes base (1), demonstration platform (3), aspirator pump (4), light filling lamp (14) and horizontal pole (17), its characterized in that: the demonstration table is characterized in that a support column (2) is fixed above the base (1), a demonstration table (3) is connected above the support column (2), a suction pump (4) is installed below the left side of the demonstration table (3), the right end of the suction pump (4) is connected with a collection box (6), the surface of the collection box (6) is connected with a fixing ring (5), the fixing ring (5) is fixed below the demonstration table (3), the left side of the suction pump (4) is connected with a connecting pipe (7), the tail end of the connecting pipe (7) is connected with a dust suction port (8), a limiting rod (9) is arranged on the inner side of the demonstration table (3), a threaded rod (11) is connected to the left side of the limiting rod (9), a connecting rod (13) is connected to the right side of the limiting rod (9), a second chute (12) is formed in the surface of the limiting rod (9), and first chutes (10) are formed in the left side and the right side of the inner side of the demonstration table (3), and a light supplement lamp (14) is installed above the right side of the demonstration table (3), a ratchet wheel (16) is fixed above the supporting column (2), and a limiting clamping block (18) is arranged on the inner side of the lower part of the demonstration table (3).

2. A history teaching demonstration apparatus according to claim 1 wherein: the limiting fixture blocks (18) below the demonstration table (3) form an elastic structure with the demonstration table (3) through springs (19), four groups of the elastic structure are arranged below the demonstration table (3), and the demonstration table (3) forms a rotating structure in meshed connection with the ratchet wheel (16) above the supporting column (2) through the limiting fixture blocks (18).

3. A history teaching demonstration apparatus according to claim 1 wherein: the collecting box (6) and the fixing ring (5) below the demonstration table (3) are of a detachable installation structure, the fixing ring (5) is provided with two groups, and the demonstration table (3) is in rigid connection with the connecting pipe (7).

4. A history teaching demonstration apparatus according to claim 1 wherein: both ends constitute sliding construction with first spout (10) of demonstration platform (3) inboard about gag lever post (9), and gag lever post (9) and threaded rod (11) are threaded connection to gag lever post (9) and connecting rod (13) are sliding construction.

5. A history teaching demonstration apparatus according to claim 1 wherein: the light supplement lamp (14) and the dust collection port (8) are arranged correspondingly, and the length of the light supplement lamp (14) is equal to that of the dust collection port (8).

6. A history teaching demonstration apparatus according to claim 1 wherein: the front end and the rear end of the cross rod (17) and the second sliding grooves (12) on the surface of the limiting rod (9) form a sliding structure connected in a clamping mode, the cross rod (17) is provided with two groups, and protective pads (15) are arranged below the cross rod (17) and the limiting rod (9) and above the inside of the demonstration table (3) in a bonding mode.