CN214144989U

CN214144989U - Sunshade is used in primary school's sports meeting

Info

Publication number: CN214144989U
Application number: CN202021500439.8U
Authority: CN
Inventors: 张嘉诚; 曹霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-09-07
Anticipated expiration: 2030-07-27

Abstract

The utility model belongs to the technical field of sports equipment, in particular to a sunshade shed for a primary school sports meeting, which comprises a bottom plate, wherein a support rod is arranged on the bottom plate, and the lower part of the support rod is connected with a trundle retraction mechanism; the upper part of the supporting rod is connected with a folding mechanism, the folding mechanism comprises a first adjusting wheel in threaded connection with the supporting rod, and a first connecting ring is sleeved on the first adjusting wheel; a plurality of first connecting rods are hinged to the first connecting ring, and the first connecting rods are hinged to first supporting connecting rods; the first support connecting rods are hinged with the first connecting blocks, the first support connecting rods are hinged with second connecting blocks, the second support connecting rods are connected with a pair of second support connecting rods in a second mode, and the second support connecting rods are hinged with third connecting blocks; the lower ends of the third connecting blocks are connected with supporting legs, and the upper ends of the first supporting connecting rod and the second supporting connecting rod are connected with sun-shading cloth; the problem of current primary school's motion meeting sunshade area little, difficult installation, can not fold, take up space big, the position is difficult for shifting, the structure is unstable and meets wind and probably overturn etc is solved.

Description

Sunshade is used in primary school's sports meeting

Technical Field

The utility model belongs to the technical field of sport equipment, concretely relates to sunshade is used in sports meeting of primary school.

Background

An important form of school sports competition mainly refers to the track and field sports meeting in spring and autumn, which is called school sports meeting for short; the school sports have multi-aspect educational significance, can comprehensively check the development condition of the school track and field sports, check teaching and training results, promote the development of the sports activities of the school masses and promote the improvement of the sport technical level; the student can also develop the qualities of uprising, complying with discipline, collective sense, honor sense and the like, and has the effects of reviving the spirit of the teacher, activating school life and the like.

At present, school sports are gradually introduced into primary schools, but because the physical constitution of primary schools is weak, the primary schools cannot bear long-time sunlight irradiation, a sunshade which is convenient to install and transfer, safe and stable is needed, and the primary schools watching a match can shade the sun and prevent the sun; the existing sunshade for the sports meeting of primary schools has the problems of small sunshade area, difficult installation, incapability of folding, large occupied space, difficult position transfer, unstable structure, possibility of overturning in the wind and the like.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a sunshade is used to primary school's motion meeting, the effectual current sunshade area that has solved is little, difficult installation, can not fold, take up space big, the position is difficult for shifting, the structure is unstable meets the wind and probably overturns the scheduling problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a sunshade shed for primary school sports meeting comprises a bottom plate, wherein a supporting rod is arranged on the bottom plate, and the lower part of the supporting rod is connected with a trundle retraction mechanism; the upper part of the supporting rod is connected with a folding mechanism, the folding mechanism comprises a first adjusting wheel in threaded connection with the supporting rod, and a first connecting ring is sleeved on the first adjusting wheel; a plurality of uniformly distributed first connecting rods are hinged to the first connecting ring, and a first supporting connecting rod is hinged to the other end of each first connecting rod; the upper end of the supporting rod is provided with a first connecting block, and one end of each first supporting connecting rod is hinged with the first connecting block; the other end of each first support connecting rod is hinged with a second connecting block, a pair of second support connecting rods are hinged to two sides of each second connecting block, and the other ends of the second support connecting rods are hinged with third connecting blocks; the lower end of the third connecting block is connected with a supporting leg, and the top ends of the first supporting connecting rod and the second supporting connecting rod are connected with sun-shading cloth.

Furthermore, the caster wheel retraction and release mechanism comprises a second adjusting wheel in threaded connection with the supporting rod, and a second connecting ring is connected to the second adjusting wheel in a sliding manner; a pair of second connecting rods is hinged to the second connecting rings, sliding rods in sliding connection with the bottom plate are hinged to the second connecting rods, and third connecting rods are hinged to the sliding rods; the third connecting rod is hinged with wheel frames which are rotatably connected with the bottom plate, the wheel frames are hinged with a pair of trundles, and the base is provided with supporting blocks corresponding to the trundles.

Furthermore, a sliding groove corresponding to the third connecting rod is arranged on the bottom plate, a sliding way is further arranged in the bottom plate, the sliding rod is connected with the sliding way in a sliding mode, and a limiting block corresponding to the wheel carrier is further arranged on the bottom plate.

Furthermore, the supporting leg comprises a fixed rod fixedly connected to the third connecting block, a sliding rod is slidably connected to the fixed rod, and a positioning bolt corresponding to the fixed rod is screwed on the sliding rod.

Furthermore, a clamping block is arranged on the third connecting block, and a clamping groove corresponding to the clamping block is further formed in the third connecting block.

Furthermore, a connecting frame is arranged on the first supporting connecting rod, and the first connecting rod is hinged with the connecting frame.

Further, a counterweight can be placed on the bottom plate.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model can control the sunshade to unfold and fold by rotating the first adjusting wheel, is convenient to operate, and can realize the rapid installation of the sunshade; through the matching of the clamping blocks and the clamping grooves, a plurality of sunshades can be spliced together to increase the sunshade area; the second adjusting wheel is rotated to control the caster to extend out and retract, the position of the sunshade can be transferred by extending the caster, and the position of the sunshade retracted by the caster is fixed, so that the operation is simple, and the movement is convenient; the four supporting legs with adjustable knots increase the stability of the device, and a counter weight can be additionally arranged on the bottom plate to increase the stability; after the use, the sunshade can be folded, the supporting legs can be retracted, and the storage space is smaller.

Drawings

Fig. 1 is an isometric view of the present invention;

fig. 2 is a schematic structural diagram of the present invention at a in fig. 1;

fig. 3 is a schematic structural view of the caster wheel retracting mechanism of the present invention;

fig. 4 is a schematic view of the internal structure of the caster wheel retracting mechanism of the present invention;

fig. 5 is a schematic structural view of the folding mechanism of the present invention;

fig. 6 is a schematic mechanism diagram of the top part of the present invention;

in the figure: 1. the base plate, 2, the folding mechanism, 201, the first regulating wheel, 202, the first connecting block, 203, the first connecting ring, 204, the first connecting rod, 205, the first supporting connecting rod, 3, the caster retracting mechanism, 301, the second regulating wheel, 302, the third connecting ring, 303, the second connecting rod, 304, the sliding rod, 305, the third connecting rod, 306, the wheel carrier, 307, the caster, 308, the limiting block, 309, the slideway, 310, the chute, 4, the fixing rod, 5, the positioning bolt, 6, the sliding rod, 7, the supporting rod, 8, the third connecting block, 9, the clamping block, 10, the clamping groove, 11, the second supporting connecting rod, 12, the second connecting block, 13, and the supporting block.

Detailed Description

As shown in fig. 1-6, a sunshade for primary school sports meeting comprises a bottom plate 1, wherein a support rod 7 is arranged on the bottom plate 1, and the lower part of the support rod 7 is connected with a caster 307 retraction mechanism 3; the upper part of the supporting rod 7 is connected with a folding mechanism 2, the folding mechanism 2 comprises a first adjusting wheel 201 in threaded connection with the supporting rod 7, and a first connecting ring 203 is sleeved on the first adjusting wheel 201; a plurality of uniformly distributed first connecting rods 204 are hinged on the first connecting ring 203, and a first supporting connecting rod 205 is hinged at the other end of each first connecting rod 204; one end of each first support connecting rod 205 is hinged to the first connecting block 202, the other end of each first support connecting rod 205 is hinged to a second connecting block 12, a pair of second support connecting rods 11 are hinged to two sides of each second connecting block 12, and the other end of each second support connecting rod 11 is hinged to a third connecting block 8; the lower ends of the third connecting blocks 8 are connected with supporting legs, and the upper ends of the first supporting connecting rod 205 and the second supporting connecting rod 11 are connected with sun-shading cloth; the first support connecting rod 205 is provided with a connecting frame, and the first connecting rod 204 is hinged with the connecting frame.

When the utility model is used, the sunshade is transferred to a proper position through the caster wheel 307 retraction mechanism 3, and then the sunshade is fixed through the caster wheel 307 retraction mechanism 3; the first adjusting wheel 201 is rotated, the first adjusting wheel 201 moves upwards along the supporting rod 7, the first adjusting wheel 201 drives the first connecting ring 203 to move upwards, the first connecting ring 203 drives the four first connecting rods 204 to move, the four first connecting rods 204 drive the four first supporting connecting rods 205 to rotate, the four first supporting connecting rods 205 drive the four second connecting blocks 12 to move, the four second connecting blocks 12 drive the eight second supporting connecting rods 11 to move, the eight second supporting connecting rods 11 drive the four third connecting blocks 8 to move, the sunshade is unfolded, the sunshade cloth at the top end is unfolded, the adjusting supporting legs are contacted with the ground, the installation of the sunshade is completed, the installation is rapid, the operation is simple, and the position can be freely moved according to needs; after the use, the first adjusting wheel 201 is rotated reversely, so that the sunshade can be folded, and the storage space is saved.

As shown in fig. 3 and 4, the caster 307 retracting and releasing mechanism 3 comprises a second adjusting wheel 301 screwed with the support rod 7, and a second connecting ring 302 is slidably connected to the second adjusting wheel 301; a pair of second connecting rods 303 are hinged on the second connecting ring 302, sliding rods 304 which are connected with the bottom plate 1 in a sliding manner are hinged on the second connecting rods 303, and third connecting rods 305 are hinged on the sliding rods 304; the third connecting rods 305 are respectively hinged with a wheel frame 306 which is rotationally connected with the bottom plate 1, the wheel frames 306 are respectively hinged with a pair of caster wheels 307, and the base is provided with a supporting block 13 corresponding to the caster wheels 307; a sliding groove 310 corresponding to the third connecting rod 305 is arranged on the bottom plate 1, a sliding way 309 is further arranged in the bottom plate 1, the sliding rod 304 is connected with the sliding way 309 in a sliding manner, and a limiting block 308 corresponding to the wheel carrier 306 is further arranged on the bottom plate 1.

When the position of the sunshade needs to be moved, the second adjusting wheel 301 is rotated, the second adjusting wheel 301 moves downwards along the supporting rod 7, the second adjusting wheel 301 drives the second connecting ring 302 to move downwards, and the second connecting ring 302 drives the second connecting rod 303 to move along the sliding groove 310; the second connecting rod 303 drives the sliding rod 304 to move along the slideway 309, the sliding rod 304 drives the third connecting rod 305 to move, the third connecting rod 305 drives the wheel frame 306 to rotate, the wheel frame 306 drives the caster 307 to exceed the supporting block 13 to jack up the sunshade, and the limiting block 308 enables the caster 307 to be in a state suitable for movement; can remove the sunshade this moment to suitable position, accomplish the removal back, the counter-rotation second regulating wheel 301, truckle 307 is withdrawed, supporting shoe 13 and ground contact, the sunshade rigidity, easy operation, the sunshade is folding and when the state of expansion the position all can be removed, the practicality is strong.

As shown in fig. 1, the supporting leg includes a fixing rod 4 fixedly connected to a third connecting block 8, a sliding rod 6 is slidably connected to the fixing rod 4, and a positioning bolt 5 corresponding to the fixing rod 4 is screwed to the sliding rod 6.

After the sunshade is unfolded, the positioning bolt 5 is rotated to release position locking, the sliding rod 6 is moved to be in contact with the ground, the positioning bolt 5 is rotated reversely to lock the position of the sliding rod 6, the supporting legs play a supporting role, and the stability of the device is improved; when the sunshade is folded, the sliding rod 304 can be retracted and placed on the bottom plate 1, so that the storage space is saved.

As shown in fig. 2, a clamping block 9 is disposed on the third connecting block 8, a clamping groove 10 corresponding to the clamping block 9 is further disposed on the third connecting block 8, and a counterweight can be disposed on the bottom plate 1.

A plurality of sunshades can be spliced together through the matching of the clamping grooves 10 and the clamping blocks 9, the sunshade area is increased, and the stability of the sunshades is improved by placing counter weights on the bottom plate 1.

The utility model discloses a working process does:

firstly, moving the sunshade to a required position: the second adjusting wheel 301 is rotated, the second adjusting wheel 301 moves downwards along the support rod 7, the second adjusting wheel 301 drives the second connecting ring 302 to move downwards, and the second connecting ring 302 drives the second connecting rod 303 to move along the sliding groove 310; the second connecting rod 303 drives the sliding rod 304 to move along the slideway 309, the sliding rod 304 drives the third connecting rod 305 to move, the third connecting rod 305 drives the wheel frame 306 to rotate, the wheel frame 306 drives the caster 307 to exceed the supporting block 13 to jack up the sunshade, and the limiting block 308 enables the caster 307 to be in a proper motion state; at this time, the sunshade can be moved to a proper position, the second adjusting wheel 301 is rotated reversely after the movement is completed, the caster 307 is retracted, the supporting block 13 is contacted with the ground, and the position of the sunshade is fixed.

Unfolding the sunshade: the first adjusting wheel 201 is rotated, the first adjusting wheel 201 moves upwards along the support rod 7, the first adjusting wheel 201 drives the connecting ring to move upwards, the connecting ring drives the four first connecting rods 204 to move, and the four first connecting rods 204 drive the four first support connecting rods 205 to rotate; the four first supporting connecting rods 205 drive the four second connecting blocks 12 to move, the four second connecting blocks 12 drive the eight second supporting connecting rods 11 to move, and the eight second supporting connecting rods 11 drive the four third connecting blocks 8 to move; the sunshade is unfolded, the sunshade cloth at the top end is unfolded, and the supporting legs are adjusted to be in contact with the ground, so that the installation of the sunshade is completed.

After the sunshade is unfolded, the sunshade is moved through the trundles 307, the clamping grooves 10 of the two sunshades are matched with the clamping blocks 9, the splicing of the plurality of sunshades is completed, the sunshade area is increased, and the balance weight is placed on the bottom plate 1 to increase the stability of the sunshade; after the use, the first adjusting rotating wheel is reversely rotated to fold the sunshade, the sunshade is transferred to the storage position through the caster 307, and the sunshade is in a folded state, so that the storage space is saved.

Claims

1. The utility model provides a sunshade is used in primary school's sports meeting, includes bottom plate (1), its characterized in that: a supporting rod (7) is arranged on the bottom plate (1), and the lower part of the supporting rod (7) is connected with a caster (307) retraction mechanism (3); the upper part of the supporting rod (7) is connected with a folding mechanism (2), the folding mechanism (2) comprises a first adjusting wheel (201) which is in threaded connection with the supporting rod (7), and a first connecting ring (203) is sleeved on the first adjusting wheel (201); a plurality of uniformly distributed first connecting rods (204) are hinged on the first connecting ring (203), and a first supporting connecting rod (205) is hinged at the other end of each first connecting rod (204); one end of each first support connecting rod (205) is hinged to the first connecting block (202), the other end of each first support connecting rod (205) is hinged to the second connecting block (12), a pair of second support connecting rods (11) are hinged to two sides of each second connecting block (12), and the other end of each second support connecting rod (11) is hinged to a third connecting block (8); the lower end of the third connecting block (8) is connected with supporting legs, and the upper ends of the first supporting connecting rod (205) and the second supporting connecting rod (11) are connected with sun-shading cloth.

2. A sunshade for an athletic meeting at an elementary school according to claim 1, wherein: the first support connecting rod (205) is provided with a connecting frame, and the first connecting rod (204) is hinged with the connecting frame.

3. A sunshade for an athletic meeting at an elementary school according to claim 1, wherein: the caster wheel (307) retraction mechanism (3) comprises a second adjusting wheel (301) in threaded connection with the supporting rod (7), and a second connecting ring (302) is connected onto the second adjusting wheel (301) in a sliding manner; a pair of second connecting rods (303) are hinged to the second connecting ring (302), sliding rods (304) which are connected with the bottom plate (1) in a sliding mode are hinged to the second connecting rods (303), and third connecting rods (305) are hinged to the sliding rods (304); the third connecting rods (305) are respectively hinged with a wheel carrier (306) which is rotationally connected with the bottom plate (1), the wheel carriers (306) are respectively hinged with a pair of casters (307), and the base is provided with a supporting block (13) corresponding to the casters (307).

4. A sunshade for an athletic meeting at an elementary school according to claim 3, wherein: the base plate (1) is provided with a sliding groove (310) corresponding to the third connecting rod (305), the base plate (1) is also internally provided with a slideway (309), the sliding rod (304) is in sliding connection with the slideway (309), and the base plate (1) is also fixedly connected with a limiting block (308) corresponding to the wheel carrier (306).

5. A sunshade for an athletic meeting at an elementary school according to claim 1, wherein: the landing leg includes dead lever (4) of rigid coupling on third connecting block (8), and sliding connection has slide bar (6) on dead lever (4), and the spiro union has positioning bolt (5) corresponding with dead lever (4) on slide bar (6).

6. A sunshade for an athletic meeting at an elementary school according to claim 1, wherein: a clamping block (9) is arranged on the third connecting block (8), and a clamping groove (10) corresponding to the clamping block (9) is further arranged on the third connecting block (8).