CN215126676U

CN215126676U - Collapsible easy to detach's mathematics is analytic to be used show shelf

Info

Publication number: CN215126676U
Application number: CN202121119831.2U
Authority: CN
Inventors: 张静文
Original assignee: Chongqing Creation Vocational College
Current assignee: Chongqing Creation Vocational College
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2021-12-14
Anticipated expiration: 2031-05-24

Abstract

The utility model discloses a foldable and conveniently-detachable display rack for mathematical analysis, which comprises a box body, wherein one end of the back surface of the top of the box body is provided with a containing groove, one ends of two sides inside the containing groove are provided with rotating shafts, one side of one group of rotating shafts extends out of the containing groove, one side of the two groups of rotating shafts which are mutually close is provided with a first display rack, and one end of the back surface of the first display rack is provided with a saw blade; the utility model discloses a first exhibition frame, the carousel, a rotating shaft, a chain, the second exhibition frame, the bracing piece, the saw blade, the gear, double gear, mutually support between first spring and the adjustment tank, can accomodate first exhibition frame and second exhibition frame, make first exhibition frame gradual roll-out through rotatory carousel, drive second exhibition frame through the chain simultaneously and also can expand, just can accomodate first exhibition frame and second exhibition frame when need not using the exhibition frame like this, avoided the show shelf can shelter from student's sight, listen to the class for the student and cause the influence.

Description

Collapsible easy to detach's mathematics is analytic to be used show shelf

Technical Field

The utility model relates to a show shelf technical field specifically is a collapsible convenient to detach's mathematics is analytic to use show shelf.

Background

The number is a subject for researching the concepts of quantity, structure, change, space, information and the like, and is always used as the course of all levels of students in China to learn, mathematics and applied mathematics are subject specialties, the specialty cultivates and masters the basic theory and the basic method of mathematics science, has the capability of applying mathematical knowledge and solving practical problems by using a computer, is subjected to the primary training of scientific research, and can be used as a high-level special talent for researching and teaching in scientific, educational and economic departments or for practical application, development and management in production, management and management departments;

but the prior show shelf has certain defects when in use:

1. the prior display rack is generally large in size and inconvenient to disassemble, when a student cannot understand the display rack during teaching, a teacher cannot carry the display rack to explain the student, cannot finely explain the subject to the student, can only explain on a platform, possibly causes the student to be incapable of understanding again, wastes classroom time and influences the progress of the whole class;

2. the teacher can place one side after using up because the great reason of size, current show shelf, but the show shelf can occupy the great space of podium, can cause inconvenience for the lecture like this, and the size of show shelf is great, also can cause certain influence for student's listening to the class, can shelter from student's sight.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a collapsible convenient to detach's mathematical analysis is with show shelf to propose current problem in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a collapsible convenient to detach's show shelf for mathematical analysis, the power distribution box comprises a box body, the back one end at box top is equipped with accomodates the groove, the one end of accomodating the inslot portion both sides is equipped with the pivot, and is a set of one side of pivot is extended and is accomodate the inside in groove, and is two sets of one side that the pivot is close to each other is equipped with first exhibition frame, the back one end of first exhibition frame is equipped with the saw blade, the top of first exhibition frame one side is equipped with folding adjusting part, the top of first exhibition frame articulates there is the second exhibition frame, the inside of second exhibition frame is equipped with the blackboard, the both sides of blackboard are equipped with the slot, the inside both sides of second exhibition frame are equipped with fixed subassembly, the one end of accomodating the inslot portion bottom articulates there is the bracing piece.

Preferably, folding adjusting part includes initiative carousel, driving gear, chain, gear, double gear, first spring, adjustment tank and slider, the double gear is located the top of first exhibition frame one side, the adjustment tank is located the bottom of second exhibition frame one side, the inside top of adjustment tank is equipped with first spring, the bottom of first spring is equipped with the slider, one side of slider is equipped with the gear, the driving gear is located one side in a set of pivot outside, the outside cover of double gear and driving gear is equipped with the chain, the carousel is located one side of pivot.

Preferably, fixed subassembly includes second spring, telescopic link, third spring, sleeve, rack, fixed slot, fixed rack and inserted bar, the fixed slot is located the inside both sides of second exhibition frame, and is two sets of the inside top of keeping away from one side each other of fixed slot is equipped with the inserted bar, and is two sets of the outside cover of inserted bar is equipped with the second spring, and is two sets of one side that the inserted bar bottom is close to each other is equipped with fixed rack, and is two sets of one side that the fixed slot was kept away from each other articulates there is the rack, and is two sets of the inside bottom of fixed slot articulates there is the sleeve, and is two sets of the inside bottom of sleeve is equipped with the third spring, and is two sets of the top of third spring is equipped with the telescopic link.

Preferably, two sets of one side that the pivot is close to each other is equipped with the bearing, and one side that the bearing is close to each other is connected with the bottom of first exhibition frame both sides.

Preferably, the top of the telescopic rod extends out of the sleeve, and the top of the telescopic rod is hinged to the middle position of the bottom of the rack.

Preferably, the top of the support rod is provided with a short saw blade, and the short saw blade is matched with the saw blade.

Compared with the prior art, the beneficial effects of the utility model are that: the foldable and conveniently-detachable display stand for mathematical analysis;

1. through the mutual matching between the blackboard, the second exhibition frame, the second spring, the telescopic rod, the third spring, the sleeve, the rack, the fixed slot, the fixed rack and the slot and the inserting rods, the blackboard can be quickly disassembled, the two groups of inserting rods are pulled and moved out of the inside of the slot, then the blackboard is taken out, when the rack loses the thrust of the blackboard, the fixed rack can be clamped under the thrust of the third spring to prevent the inserting rods from resetting, the blackboard is placed back into the second exhibition frame after being used, the rack is pushed downwards through the bottom of the blackboard, the two groups of inserting rods are pushed by the elasticity of the second spring to be inserted into the inside of the slot to fix the blackboard, so that the quick disassembling of the blackboard can be completed, the inconvenience caused by the fact that the blackboard cannot be disassembled for lectures is avoided, and meanwhile, the flexibility of a classroom is also increased;

2. through first exhibition frame, the carousel, the apparatus further comprises a rotating shaft, the chain, the second exhibition frame, the bracing piece, the saw blade, the gear, double gears, mutually support between first spring and the adjustment tank, can accomodate first exhibition frame and second exhibition frame, make first exhibition frame gradual roll-out through rotatory carousel, drive second exhibition frame through the chain simultaneously and also can launch, just can accomodate first exhibition frame and second exhibition frame when need not using the show shelf like this, avoided the show shelf can shelter from student's sight, it influences to listen to the lesson for the student.

Drawings

Fig. 1 is a front sectional view of the present invention;

fig. 2 is a side sectional view of the first embodiment of the present invention;

fig. 3 is a side sectional view of the second embodiment of the present invention;

fig. 4 is a side view of the present invention;

fig. 5 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention;

fig. 6 is an enlarged schematic view of the structure at B of fig. 1 according to the present invention.

In the figure: 1. a box body; 2. a first display rack; 3. a receiving groove; 4. a driving gear; 5. a turntable; 6. a rotating shaft; 7. a chain; 8. a blackboard; 9. a second display rack; 10. a support bar; 11. a saw blade; 12. a gear; 13. a double gear; 14. a first spring; 15. an adjustment groove; 16. a slider; 17. a second spring; 18. a telescopic rod; 19. a third spring; 20. a sleeve; 21. a rack; 22. fixing grooves; 23. fixing a rack; 24. a slot; 25. and (4) inserting the rod.

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. 1-6, the present invention provides an embodiment: the utility model provides a collapsible easy to detach's show shelf for mathematical analysis, the power distribution box comprises a box body 1, the back one end at 1 top of box is equipped with accomodates groove 3, be convenient for accomodate second exhibition frame 9, the one end of accomodating the inside both sides of groove 3 is equipped with pivot 6, the inside of accomodating groove 3 is extended to one side of a set of pivot 6, one side that two sets of pivot 6 are close to each other is equipped with first exhibition frame 2, the back one end of first exhibition frame 2 is equipped with saw blade 11, can fix first exhibition frame 2, prevent it from falling down, the top of first exhibition frame 2 one side is equipped with folding adjusting part, the top of first exhibition frame 2 articulates there is second exhibition frame 9, the inside of second exhibition frame 9 is equipped with blackboard 8, blackboard 8's both sides are equipped with slot 24, can fix blackboard 8, second exhibition frame 9 inside both sides are equipped with fixed subassembly, the one end of accomodating the inside bottom of groove 3 articulates there is bracing piece 10.

Further, folding adjusting part includes initiative carousel 5, the driving gear 4, the chain 7, gear 12, double gear 13, first spring 14, adjustment tank 15 and slider 16, double gear 13 is located the top of first exhibition frame 2 one side, adjustment tank 15 is located the bottom of second exhibition frame 9 one side, the inside top of adjustment tank 15 is equipped with first spring 14, first spring 14's bottom is equipped with slider 16, one side of slider 16 is equipped with gear 12, driving gear 4 is located one side in the 6 outsides of a set of pivot, double gear 13 and driving gear 4's outside cover is equipped with chain 7, carousel 5 is located one side of pivot 6, be convenient for adjust and accomodate second exhibition frame 9.

Further, fixed subassembly includes second spring 17, telescopic link 18, third spring 19, sleeve 20, rack 21, fixed slot 22, fixed rack 23 and inserted bar 25, fixed slot 22 is located the inside both sides of second exhibition frame 9, the inside top of keeping away from one side each other of two sets of fixed slots 22 is equipped with inserted bar 25, the outside cover of two sets of inserted bar 25 is equipped with second spring 17, the one side that is close to each other in two sets of inserted bar 25 bottoms is equipped with fixed rack 23, one side that two sets of fixed slots 22 kept away from each other articulates there is rack 21, the inside bottom of two sets of fixed slots 22 articulates there is sleeve 20, the inside bottom of two sets of sleeves 20 is equipped with third spring 19, the top of two sets of third springs 19 is equipped with telescopic link 18, be convenient for install fast and dismantle blackboard 8.

Further, one side that two sets of pivot 6 are close to each other is equipped with the bearing, and one side that the bearing is close to each other is connected with the bottom of first exhibition frame 2 both sides, can drive pivot 6 and rotate.

Furthermore, the top of the telescopic rod 18 extends out of the interior of the sleeve 20, and the top of the telescopic rod 18 is hinged to the middle position of the bottom of the rack 21, so that the rack 21 can be adjusted in a random rotating mode.

Furthermore, the top of the support rod 10 is provided with a short saw blade, and the short saw blade is matched with the saw blade 11, so that the saw blade 11 is conveniently clamped, and the saw blade 11 is prevented from sliding off.

The working principle is as follows: when the device is used, the rotating disc 5 is rotated through the handle, the rotating shaft 6 is driven to rotate through the rotating disc 5, the driving gear 4 is driven to rotate through the rotating shaft 6, the chain 7 is driven through the rotation of the driving gear 4, the double-gear 13 is driven by the chain 7 to rotate, then the first display frame 2 is driven to rise through the double-gear 13, the gear 12 is driven by the double-gear 13 to rotate, the sliding block 16 is driven by the gear 12 to move, then the second display frame 9 is driven by the sliding block 16 to unfold, and the supporting rod 10 is lifted and clamped at the bottom of the saw blade 11 after adjustment is finished;

when the blackboard 8 needs to be disassembled, the two groups of insertion rods 25 are pulled to move to opposite positions, then the blackboard 8 is lifted, when the blackboard 8 leaves the inside of the second display frame 9, the racks 21 are clamped into the inside of the fixed racks 23 under the pushing of the third spring 19, the two groups of insertion rods 25 are prevented from resetting, during installation, the blackboard 8 is placed in the second display frame 9, the two groups of racks 21 can be pushed by two sides of the bottom of the blackboard 8, the racks 21 are mutually separated from the fixed racks 23 around the hinged rotating shaft, the insertion rods 25 are driven to move towards the middle under the pushing of the elastic force of the second spring 17, the two groups of insertion rods 25 are mutually close to one side and slide with two sides of the blackboard 8, and the two groups of insertion rods 25 are clamped into the slots 24 until the blackboard 8 is completely placed.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as either a fixed connection or a detachable connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. The utility model provides a collapsible convenient to detach's show shelf for mathematical analysis, includes box (1), its characterized in that: the back one end at box (1) top is equipped with accomodates groove (3), the one end of accomodating the inside both sides of groove (3) is equipped with pivot (6), and is a set of the inside of accomodating groove (3) is extended to one side of pivot (6), and is two sets of one side that pivot (6) are close to each other is equipped with first exhibition frame (2), the back one end of first exhibition frame (2) is equipped with saw blade (11), the top of first exhibition frame (2) one side is equipped with folding adjusting part, the top of first exhibition frame (2) articulates there is second exhibition frame (9), the inside of second exhibition frame (9) is equipped with blackboard (8), the both sides of blackboard (8) are equipped with slot (24), the inside both sides of second exhibition frame (9) are equipped with fixed subassembly, the one end of accomodating the inside bottom of groove (3) articulates there is bracing piece (10).

2. The foldable and easily detachable display stand for mathematical analysis according to claim 1, wherein: folding adjusting part includes initiative carousel (5), driving gear (4), chain (7), gear (12), double gear (13), first spring (14), adjustment tank (15) and slider (16), double gear (13) are located the top of first exhibition frame (2) one side, adjustment tank (15) are located the bottom of second exhibition frame (9) one side, the inside top of adjustment tank (15) is equipped with first spring (14), the bottom of first spring (14) is equipped with slider (16), one side of slider (16) is equipped with gear (12), driving gear (4) are located one side in a set of pivot (6) outside, the outside cover of double gear (13) and driving gear (4) is equipped with chain (7), carousel (5) are located one side of pivot (6).

3. The foldable and easily detachable display stand for mathematical analysis according to claim 1, wherein: the fixing component comprises a second spring (17), a telescopic rod (18), a third spring (19), a sleeve (20), a rack (21), a fixing groove (22), a fixing rack (23) and an inserting rod (25), fixed slot (22) are located the inside both sides of second exhibition frame (9), and are two sets of the inside top of keeping away from one side each other of fixed slot (22) is equipped with inserted bar (25), and is two sets of the outside cover of inserted bar (25) is equipped with second spring (17), and is two sets of one side that inserted bar (25) bottom is close to each other is equipped with fixed rack (23), and is two sets of one side that fixed slot (22) were kept away from each other articulates there is rack (21), and is two sets of the inside bottom of fixed slot (22) articulates there is sleeve (20), and is two sets of the inside bottom of sleeve (20) is equipped with third spring (19), and is two sets of the top of third spring (19) is equipped with telescopic link (18).

4. The foldable and easily detachable display stand for mathematical analysis according to claim 1, wherein: two sets of one side that pivot (6) are close to each other is equipped with the bearing, and one side that the bearing is close to each other is connected with the bottom of first exhibition frame (2) both sides.

5. The foldable and easily detachable display stand for mathematical analysis according to claim 3, wherein: the top of the telescopic rod (18) extends out of the interior of the sleeve (20), and the top of the telescopic rod (18) is hinged with the middle position of the bottom of the rack (21).

6. The foldable and easily detachable display stand for mathematical analysis according to claim 1, wherein: the top of the support rod (10) is provided with a short saw blade, and the short saw blade is matched with the saw blade (11).