CN210777357U

CN210777357U - Mandarin pronunciation teaching oral cavity model show shelf

Info

Publication number: CN210777357U
Application number: CN201921960444.4U
Authority: CN
Inventors: 曾媛媛
Original assignee: Xianning Vocational Technical College
Current assignee: Xianning Vocational Technical College
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-06-16
Anticipated expiration: 2029-11-14

Abstract

The utility model discloses a mandarin pronunciation teaching oral cavity model show shelf, the on-line screen storage device comprises a base, the board is placed in the installation on the base, places and installs the fixing base on the board, cup joints the ball pivot head on the fixing base, and the bottom of mounting panel is connected at the top of ball pivot head, installs the riser on the board of placing in the fixing base outside, and the top outer wall installation guide rail of riser opens on the guide rail has the guide slot, and the joint slider in the guide slot, the slider internal rotation runs through the control rod, and the top surface of mounting panel is connected to the bottom of control rod, installs locking mechanical system between the top of control rod. The oral cavity model passes through the bolt fastening on the mounting panel, drives the mounting panel through the control rod and rotates along the ball pivot level, adjusts the mounting panel just to the direction, and the equidirectional classmate of being convenient for is watched, drives the slider through the control rod and slides along the guide slot, and the mounting panel passes through the vertical rotation of ball pivot, adjusts the angle of pitch of mounting panel, is convenient for watch the top and the below of oral cavity model, and locking mechanical system is fixed the mounting panel fast, is convenient for show oral cavity model.

Description

Mandarin pronunciation teaching oral cavity model show shelf

Technical Field

The utility model relates to a teaching model technical field specifically is a mandarin pronunciation teaching oral cavity model show shelf.

Background

Oral cavity shape when carrying out mandarin teaching sometimes can use oral cavity model to show mandarin pronunciation to the student, the oral cavity model is installed on the show shelf mostly through connecting pieces such as bolts, but, present show shelf function singleness can only be fixed oral cavity model, can't adjust the dead direction and the angle of pitch of model, be unfavorable for the student to watch the model from the multidirection, especially the position of oral cavity model below partially is difficult to direct viewing, the student has to change the position of sitting or face up, stretch the neck or stand etc., it also influences other classmates and observes to influence classroom order, we propose a mandarin pronunciation teaching oral cavity model show shelf for this reason and are used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mandarin pronunciation teaching oral cavity model show shelf to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an oral cavity model display rack for mandarin pronunciation teaching comprises a base, wherein fixed sleeves are fixedly arranged at both ends of the top of the base, the sliding rod is clamped in the fixed sleeve in a sliding way, the outer wall of the fixed sleeve is sleeved with the locking bolt through a threaded structure, the end face of the locking bolt is tightly pressed on the slide bar, the top of the slide bar is fixedly provided with a placing plate, the placing plate is fixedly provided with a plurality of fixed seats, the fixed seat is rotatably sleeved with a ball-hinged head, the top of the ball-hinged head is connected with the bottom of the mounting plate through a connecting rod, a vertical plate is fixedly arranged on the placing plate outside the fixed seat, a guide rail is fixedly arranged on the outer wall of the top of the vertical plate, the guide rail is positioned right above the fixed seat, a guide groove is arranged on the guide rail, a sliding block is clamped in the guide groove in a sliding way, the slider internal rotation runs through the control rod, the top surface of mounting panel is fixed connection to the bottom of control rod, install locking mechanical system between the top of control rod and the top of slider.

Preferably, the mounting plate is provided with a plurality of bolt mounting holes, the guide rail and the guide groove are both arc-top structures, the circle centers of the guide rail and the guide groove coincide with the spherical center of the spherical hinge head, and the cross sections of the sliding block and the guide groove are both T-shaped structures.

Preferably, a plurality of clamping grooves are formed in the inner walls of the two sides of the guide groove in the circumferential direction, triangular elastic pieces are fixedly mounted on the outer walls of the two sides of the sliding block, clamping blocks are fixedly mounted on the outer walls of the triangular elastic pieces and are connected with the clamping grooves in a sliding and clamping mode, and the clamping blocks and the clamping grooves are of matched spherical structures.

Preferably, locking mechanical system includes the ring gear, fixed mounting ring gear on the slider of control rod top outer wall department, the top surface fixed mounting spliced pole of control rod, the carousel is cup jointed in the slip on the spliced pole, open the carousel bottom has the spread groove, the locking tooth of meshing ring gear is installed to the spread groove inner wall, the spacing dish of top fixed mounting of spliced pole, cup joint the pressure spring on the spliced pole between spacing dish and carousel.

Preferably, the radius of carousel is greater than the top width of slider, open the quad slit that has the joint spliced pole in the carousel middle part, the pressure spring is in compression state all the time.

Compared with the prior art, the beneficial effects of the utility model are that: the turntable is pulled up and the connecting column is driven to rotate through the turntable, so that the control rod drives the mounting plate to horizontally rotate along the spherical hinge head, the opposite direction of the mounting plate can be conveniently and rapidly adjusted, and the models can be conveniently watched by students in different directions; the sliding block slides along the guide groove, so that the mounting plate vertically rotates along the spherical hinge, the pitch angle of the mounting plate is adjusted, and the upper part and the bottom part of the model are conveniently displayed; after the regulation, the carousel is pushed down to the pressure spring for locking tooth and the ring gear meshing in the spread groove, then the unable relative slider of carousel rotates, thereby makes the spliced pole locking, then the action bars locking, and the unable level of mounting panel rotates, and simultaneously, the slider loses exogenic action, and the triangle shell fragment is gone into the draw-in groove with spherical fixture block card this moment, then the unable vertical rotation of mounting panel, thereby makes the mounting panel position fixed completely, the show model of being convenient for, convenient to use.

Drawings

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

FIG. 2 is a schematic left-side sectional view of the present invention;

FIG. 3 is a schematic view of the cross-sectional structure of the guide rail of the present invention;

fig. 4 is an exploded view of the locking mechanism of the present invention.

In the figure: the device comprises a base 1, a fixed sleeve 2, a sliding rod 3, a placing plate 4, a fixed seat 5, a spherical hinge head 6, a vertical plate 7, a guide rail 8, a locking mechanism 9, a gear ring 91, a connecting groove 92, a rotating disc 93, a connecting column 94, a compression spring 95, a limiting disc 96, a guide groove 10, a sliding block 11, an operating rod 12, a mounting plate 13, a triangular elastic sheet 14, a clamping groove 15 and a clamping block 16.

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 mandarin pronunciation teaching oral cavity model show shelf, including base 1, the fixed cover 2 of equal fixed mounting in base 1 top both ends, slide clamping slide bar 3 in the fixed cover 2, the fixed cover 2 outer wall cup joints the locking bolt through the helicitic texture, and the locking bolt terminal surface is pressed closely on slide bar 3, the top fixed mounting of slide bar 3 places the board 4, place and fix a plurality of fixing bases 5 on the board 4, rotate and cup joint ball hinge 6 on the fixing base 5, the top of ball hinge 6 passes through the bottom of connecting rod connection mounting panel 13, fixed mounting riser 7 on the board 4 outside the fixing base 5, the top outer wall fixed mounting guide rail 8 of riser 7, guide rail 8 is located directly over the fixing base 5, open the guide slot 10 on guide rail 8, slide clamping slide block 11 in the guide slot 10, the interior rotation of slide block 11 runs through the control rod 12, the bottom fixed connection mounting panel 13's top surface, a locking mechanism 9 is mounted between the top of the operating lever 12 and the top of the slider 11. Oral cavity model passes through the bolt fastening on mounting panel 13, the mr drives mounting panel 13 through control rod 12 and rotates along 6 levels of ball pivot, thereby adjust mounting panel 13 just to the direction, be convenient for the classmate of equidirectional to watch, and drive slider 11 through control rod 12 and slide along guide slot 10, mounting panel 13 passes through the vertical rotation of ball pivot 6 this moment, thereby adjust mounting panel 13's angle of pitch, be convenient for the student watches the top and the below of oral cavity model, and fix mounting panel 13 fast through locking mechanical system 9, thereby be convenient for show oral cavity model.

Open on mounting panel 13 and have a plurality of bolt mounting holes, the oral cavity model when being convenient for install different pronunciation, guide rail 8 and guide slot 10 are the arc top structure, and the centre of a circle of guide rail 8 and guide slot 10 coincides mutually with the centre of sphere of ball pivot 6, then when sliding along guide slot 10 through slider 11, mounting panel 13 can carry out vertical rotation along ball pivot 6, thereby adjust the angle of pitch of mounting panel 13, the cross section of slider 11 and guide slot 10 is T type structure, thereby it is spacing to carry out slider 11, avoid slider 11 to rotate.

There are a plurality of draw-in grooves 15 along the circumferencial direction in the both sides inner wall of guide slot 10, slider 11's both sides outer wall fixed mounting triangle shell fragment 14, fixed mounting fixture block 16 on the outer wall of triangle shell fragment 14, fixture block 16 slip joint draw-in groove 15, and fixture block 16 and draw-in groove 15 are matched with spherical structure, then when slider 11 slides along guide slot 10, spherical fixture block 16 slides out in draw-in groove 15 under the exogenic action, and compress

triangle shell fragment

14, 14 accessible elastic copper sheets of triangle shell fragment are made, thereby can drive the vertical rotation of mounting panel 13 and adjust the angle of pitch through slider 11's slip, and adjust back slider 11 and lose exogenic action, this moment triangle shell fragment 14 with 16 card of spherical fixture block go into in the draw-in groove 15, thereby make slider 11 can fix, then.

The locking mechanism 9 comprises a gear ring 91, the gear ring 91 is fixedly arranged on a sliding block 11 at the outer wall of the top of the operating lever 12, a connecting column 94 is fixedly arranged on the top surface of the operating lever 12, a rotating disc 93 is slidably sleeved on the connecting column 94, a connecting groove 92 is formed in the bottom of the rotating disc 93, a stop tooth meshed with the gear ring 91 is arranged on the inner wall of the connecting groove 92, a limiting disc 96 is fixedly arranged at the top of the connecting column 94, a pressure spring 95 is sleeved on the connecting column 94 between the limiting disc 96 and the rotating disc 93, the radius of the rotating disc 93 is larger than the width of the top of the sliding block 11, a square hole clamped with the connecting column 94 is formed in the middle of the rotating disc 93, the pressure spring 95 is always in a compressed state, the rotating disc 93 is pulled upwards, the rotating disc 93 slides along the connecting column 94 to enable the stop, thereby drive mounting panel 13 and rotate along the ball pivot 6 level, the just right direction of quick adjustment mounting panel 13 of being convenient for, the back of adjusting, unclamp carousel 93, pressure spring 95 pushes down carousel 93 for the locking tooth in the spread groove 92 meshes with ring gear 91, then carousel 93 can't rotate relative slider 11, thereby makes spliced pole 94 locking, then operating rod 12 locking, and mounting panel 13 rigidity is convenient for show the model.

The working principle is as follows: when the utility model is used, the oral cavity model is installed on the mounting plate 13 through the bolt, the teacher pulls up the rotary disc 93 manually, the rotary disc 93 slides along the connecting column 94 to enable the stop teeth in the connecting groove 92 to pass through the gear ring 91, the pressure spring 95 is compressed, at the moment, the rotary disc 93 can be rotated, the rotary disc 93 drives the connecting column 94 to rotate through the square hole, the connecting column 94 drives the operating rod 12 to rotate, thereby driving the mounting plate 13 to rotate horizontally along the spherical hinge 6, the right direction of the mounting plate 13 can be adjusted rapidly, the students in different directions can watch conveniently, then the operating rod 12 is pulled through the rotary disc 93 and the connecting column 94, the operating rod 12 drives the slider 11 to slide along the guide groove 10, the spherical fixture block 16 slides out from the clamping groove 15 under the action of external force, the triangular elastic sheet 14 is compressed, at the moment, the slider 11 drives the mounting, top and bottom convenient to show the model, adjust the back, loosen carousel 93, pressure spring 95 pushes down carousel 93, make locking tooth and ring gear 91 meshing in the spread groove 92, then carousel 93 can't rotate relatively slider 11, thereby make spliced pole 94 locking, then action bars 12 locking, the unable level of mounting panel 13 rotates, and simultaneously, slider 11 loses exogenic action, triangle shell fragment 14 is gone into draw-in groove 15 with ball fixture block 16 card this moment, then the unable vertical rotation of mounting panel 13, thereby make mounting panel 13 position fixed completely, be convenient for show the model, and slide bar 3 slides and pass through locking bolt along fixed cover 2 and fix, thereby the height of board 4 is placed in the adjustment, be convenient for adjust the height of model.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a mandarin pronunciation teaching oral cavity model show shelf, includes base (1), its characterized in that: the improved structure is characterized in that fixed sleeves (2) are fixedly mounted at two ends of the top of the base (1), slide-in and clamping slide rods (3) are arranged in the fixed sleeves (2), locking bolts are sleeved on the outer walls of the fixed sleeves (2) through threaded structures, the end faces of the locking bolts are tightly pressed on the slide rods (3), a plate (4) is fixedly mounted at the top of each slide rod (3), a plurality of fixed seats (5) are fixedly mounted on the plate (4), spherical hinges (6) are rotatably sleeved on the fixed seats (5), the tops of the spherical hinges (6) are connected with the bottoms of mounting plates (13) through connecting rods, vertical plates (7) are fixedly mounted on the plate (4) outside the fixed seats (5), guide rails (8) are fixedly mounted on the outer walls of the tops of the vertical plates (7), the guide rails (8) are positioned right above the fixed seats (5), and guide grooves (10) are formed in, slide joint slider (11) in guide slot (10), operating lever (12) are run through in slider (11) internal rotation, the top surface of the bottom fixed connection mounting panel (13) of operating lever (12), installation locking mechanical system (9) between the top of operating lever (12) and the top of slider (11).

2. The mandarin chinese pronunciation teaching oral model show shelf of claim 1, wherein: open on mounting panel (13) and have a plurality of bolt mounting holes, guide rail (8) and guide slot (10) are the arc top structure, and the centre of a circle of guide rail (8) and guide slot (10) coincides mutually with the centre of sphere of ball pivot (6), the cross section of slider (11) and guide slot (10) is T type structure.

3. The mandarin chinese pronunciation teaching oral model show shelf of claim 2, wherein: the novel guide slot structure is characterized in that a plurality of clamping grooves (15) are formed in the inner walls of the two sides of the guide slot (10) along the circumferential direction, triangular elastic pieces (14) are fixedly mounted on the outer walls of the two sides of the sliding block (11), clamping blocks (16) are fixedly mounted on the outer walls of the triangular elastic pieces (14), the clamping blocks (16) are connected with the clamping grooves (15) in a sliding and clamping mode, and the clamping blocks (16) and the clamping grooves (15) are of matched spherical structures.

4. The mandarin chinese pronunciation teaching oral model show shelf of claim 1, wherein: locking mechanical system (9) are including ring gear (91), fixed mounting ring gear (91) are gone up in slider (11) of control lever (12) top outer wall department, top surface fixed mounting spliced pole (94) of control lever (12), slip on spliced pole (94) cup joints carousel (93), open carousel (93) bottom has spread groove (92), the locking tooth of meshing ring gear (91) is installed to spread groove (92) inner wall, top fixed mounting spacing dish (96) of spliced pole (94), cup joint pressure spring (95) on spliced pole (94) between spacing dish (96) and carousel (93).

5. The mandarin chinese pronunciation teaching oral model show shelf of claim 4, wherein: the radius of carousel (93) is greater than the top width of slider (11), the quad slit that has joint spliced pole (94) is opened at carousel (93) middle part, pressure spring (95) are in compression state all the time.