CN212010082U

CN212010082U - Hand-made wheelbarrow for pupils

Info

Publication number: CN212010082U
Application number: CN201821413116.8U
Authority: CN
Inventors: 彭志新; 郑有志
Original assignee: Lijiang Kechuang Electronics Co ltd
Current assignee: Lijiang Kechuang Electronics Co ltd
Priority date: 2018-08-30
Filing date: 2018-08-30
Publication date: 2020-11-24
Anticipated expiration: 2028-08-30

Abstract

The utility model discloses a pupil's manual preparation wheel barrow, including a handrail, surface fixed mounting has a solid fixed wood No. one on one side of front end of a handrail, and surface fixed mounting has a handrail No. two on one side of a solid fixed wood, and surface fixed mounting has a solid fixed wood No. two on the front end opposite side of a handrail, and fixed mounting has the cylinder wooden axle between a handrail and the handrail No. two, and surface fixed mounting has a landing leg on one side of the lower extreme of a handrail, and the surface is provided with the landing leg No. two on one side of the lower extreme of handrail No. two. A pupil's manual preparation wheel barrow, be equipped with block rubber, hand screw and spacing ring, the weight that can make two sets of handrails changes makes balanced principle impression more obvious, can also dismantle the firm of making No. two landing legs through hand screw and change the stable principle of making the triangle of appearing and change more easily understand, can also play limiting displacement in the pulley both sides, bring better use prospect.

Description

Hand-made wheelbarrow for pupils

Technical Field

The utility model relates to a manual preparation teaching field, in particular to pupil's manual preparation wheel barrow.

Background

The hand-made wheelbarrow is a model teaching tool for teaching knowledge through hand-made, the wheelbarrow has various common principles in life, can enable students to learn the knowledge points intuitively and quickly, and has simple structure and convenient operation; the existing wheelbarrow has certain disadvantages when in use, firstly, in the use process, students do not have wide thinking enough, the students are difficult to understand from the words and expressions, and the body coordination enables two hands to automatically generate equal acting force on two sides when holding the handrails, the balance principle is difficult to feel, certain inconvenience is caused, secondly, the triangle stabilization principle is difficult to visually understand, in addition, in the use process, the pulley can generate the condition of axial deviation, certain disadvantages are caused, certain adverse effects are brought to the use process of people, and therefore the wheelbarrow is manually made by pupils.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a manual preparation wheel barrow of pupil can effectively solve the problem among the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model relates to a wheelbarrow manually made by pupils, which comprises a first handrail, a first fixed wood is fixedly arranged on the outer surface of one side of the front end of the first handrail, a second handrail is fixedly arranged on the outer surface of one side of the first fixed wood, a second fixed wood is fixedly arranged on the outer surface of the other side of the front end of the first handrail, a cylindrical wooden shaft is fixedly arranged between the first handrail and the second handrail, a first supporting leg is fixedly arranged on the outer surface of one side of the lower end of the first handrail, a second supporting leg is arranged on the outer surface of one side of the lower end of the second handrail, a first rubber block is fixedly arranged on the outer surface of the other side of the lower end of the first handrail, a second rubber block is fixedly arranged on the outer surface of the other side of the lower end of the second handrail, a triangular fixed plate is fixedly arranged on the outer surface of one side of the front end of the second handrail, and a second limiting ring is fixedly arranged on the outer surface of the other side of the cylindrical wooden shaft, and a pulley is fixedly arranged on the outer surface of the middle part of the cylindrical wooden shaft.

The first handrail and the second handrail are the same in specification and size and are a main frame of the whole wheelbarrow, and when the wheelbarrow is not used, the first supporting leg, the second supporting leg and the pulley are fixed in three points, so that the wheelbarrow cannot topple over integrally.

The first handrail fixing wood and the second handrail fixing wood can enable two connecting points of the first handrail and the second handrail to be more stable.

The openings of the first rubber block and the second rubber block are slightly smaller than the cross section of the first handrail or the cross section of the second handrail, and the rubber blocks have certain tensile deformability and can be well installed on the first handrail and the second handrail.

The gap between the pulley and the cylindrical wooden shaft is not too large or too small, the rotation is affected by the partial fastening of too small pulleys, and the too large pulleys are easy to shake left and right after loosening.

Preferably, an opening is formed between the first rubber block and the first handrail, the outer surface of the upper end of the first rubber block is movably connected with the outer surface of one side of the lower end of the first handrail through the opening, an opening is formed between the second rubber block and the second handrail, and the outer surface of the upper end of the second rubber block is movably connected with the outer surface of one side of the lower end of the second handrail through the opening.

Preferably, the outer surface of the upper end of No. two landing legs is riveted and fixed on the outer surface of one side of the lower end of No. two handrails, the outer surface of one end of a hand screw penetrates through the outer surface of one side of a triangle fixing plate and No. two landing legs to be detachably connected, a fixing bolt is arranged between the triangle fixing plate and the No. two handrails, the outer surface of one side of the triangle fixing plate is fixedly connected with the outer surface of one side of the front end of the No. two handrails through the fixing bolt, and.

Preferably, be provided with the super glue No. one between spacing ring and the cylinder wooden axle, the internal surface of a spacing ring is connected with one side fixed surface of cylinder wooden axle through the super glue No. one, is provided with the super glue No. two between No. two spacing rings and the cylinder wooden axle, and the internal surface of No. two spacing rings is connected with the opposite side fixed surface of cylinder wooden axle through the super glue No. two.

Preferably, a bolt is arranged between the first handrail, the second handrail and the first fixing wood, one side outer surface of the first handrail and the second handrail is fixedly connected with the outer surfaces of the two sides of the first fixing wood through the bolt, a second bolt is arranged between the first handrail, the second handrail and the second fixing wood, and one side outer surface of the middle part of the first handrail and the second handrail is fixedly connected with the outer surfaces of the two sides of the second fixing wood through the second bolt.

Preferably, a third bolt is arranged between the first handrail, the second handrail and the cylindrical wooden shaft, the outer surface of one side of the first handrail and the second handrail is fixedly connected with the outer surfaces of two sides of the cylindrical wooden shaft through the third bolt, a gap is formed between the cylindrical wooden shaft and the pulley, and the outer surface of the middle of the cylindrical wooden shaft is movably connected with the inner surface of the pulley through the gap.

Compared with the prior art, the utility model discloses following beneficial effect has: this manual preparation wheel barrow of pupil, two sets of rubber blocks through setting up, when the handrail is held to both hands, a set of rubber block of detachable, the change of weight makes balanced principle impression more obvious, the connected mode through No. two landing legs that set up and No. two handrails is the riveting, this connected mode needs to consolidate in addition and decides the pole just can stabilize, when unscrewing hand-screw, No. two landing legs can rock hard, when screwing up hand-screw, the triangle fixed plate produces the effort to No. two landing legs, become and can not rock, it is more easily understood to make the triangle stable principle through two kinds of changes above-mentioned, the setting of two sets of spacing rings, can play limiting displacement in the pulley both sides, do benefit to people and use, whole manual preparation wheel barrow of pupil simple structure, high durability and convenient operation, the effect of use is better for the traditional mode.

Drawings

Fig. 1 is a schematic view of the whole structure of the wheelbarrow for pupil to make manually.

Fig. 2 is a partial view of the wheelbarrow manually made by pupils of the utility model.

Fig. 3 is an enlarged view of a in fig. 2 of the wheelbarrow manually made by pupils of the utility model.

Fig. 4 is an enlarged view of B in fig. 2 of the wheelbarrow manually made by pupils of the utility model.

Fig. 5 is a schematic structural view of the cylindrical wooden shaft 7 in fig. 2 of the wheelbarrow manually made by pupils of the utility model.

In the figure: 1. a first handrail; 2. a second armrest; 3. a first support leg; 4. a second support leg; 5. fixing wood I; 6. fixing wood II; 7. a cylindrical wooden shaft; 8. a pulley; 9. a first rubber block; 10. a second rubber block; 11. screwing the screw by hand; 12. a triangular fixing plate; 13. a first limit ring; 14. and a second limiting ring.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in figures 1-5, the utility model relates to a hand-made wheelbarrow for pupils, which comprises a first handrail 1, a first fixing wood 5 fixedly arranged on the outer surface of one side of the front end of the first handrail 1, a second handrail 2 fixedly arranged on the outer surface of one side of the first fixing wood 5, a second fixing wood 6 fixedly arranged on the outer surface of the other side of the front end of the first handrail 1, a cylindrical wood shaft 7 fixedly arranged between the first handrail 1 and the second handrail 2, a first supporting leg 3 fixedly arranged on the outer surface of one side of the lower end of the first handrail 1, a second supporting leg 4 arranged on the outer surface of one side of the lower end of the second handrail 2, a first rubber block 9 fixedly arranged on the outer surface of the other side of the lower end of the first handrail 1, a second rubber block 10 fixedly arranged on the outer surface of the other side of the lower end of the second handrail 2, and a triangular fixing plate, the outer fixed surface of the middle part of the front end of the triangle fixed plate 12 is provided with a hand screw 11, the outer fixed surface of one side of the cylindrical wooden shaft 7 is provided with a first limit ring 13, the outer fixed surface of the other side of the cylindrical wooden shaft 7 is provided with a second limit ring 14, and the outer fixed surface of the middle part of the cylindrical wooden shaft 7 is provided with a pulley 8.

A first opening is formed between the first rubber block 9 and the first handrail 1, the outer surface of the upper end of the first rubber block 9 is movably connected with the outer surface of one side of the lower end of the first handrail 1 through the first opening, a second opening is formed between the second rubber block 10 and the second handrail 2, the outer surface of the upper end of the second rubber block 10 is movably connected with the outer surface of one side of the lower end of the second handrail 2 through the second opening, and the first rubber block 9 and the second rubber block 10 are respectively arranged on the first handrail 1 and the second handrail 2;

the outer surface of the upper end of the second supporting leg 4 is fixedly riveted to the outer surface of one side of the lower end of the second handrail 2, the outer surface of one end of a hand screw 11 penetrates through a triangular fixing plate 12 and is detachably connected with the outer surface of one side of the second supporting leg 4, a fixing bolt is arranged between the triangular fixing plate 12 and the second handrail 2, the outer surface of one side of the triangular fixing plate 12 is fixedly connected with the outer surface of one side of the front end of the second handrail 2 through the fixing bolt, and the number of the fixing bolts is two, so that the triangular stabilizing principle can;

a first super glue is arranged between the first limiting ring 13 and the cylindrical wooden shaft 7, the inner surface of the first limiting ring 13 is fixedly connected with the outer surface of one side of the cylindrical wooden shaft 7 through the first super glue, a second super glue is arranged between the second limiting ring 14 and the cylindrical wooden shaft 7, the inner surface of the second limiting ring 14 is fixedly connected with the outer surface of the other side of the cylindrical wooden shaft 7 through the second super glue, and the pulley 8 is limited;

a first bolt is arranged between the first handrail 1, the second handrail 2 and the first fixing wood 5, the outer surfaces of one sides of the first handrail 1 and the second handrail 2 are fixedly connected with the outer surfaces of two sides of the first fixing wood 5 through the first bolt, a second bolt is arranged between the first handrail 1 and the second handrail 2 and the second fixing wood 6, and the outer surfaces of one sides of the middle parts of the first handrail 1 and the second handrail 2 are fixedly connected with the outer surfaces of two sides of the second fixing wood 6 through the second bolt, so that the integral connection is stable;

be provided with the bolt No. three between handrail 1, handrail No. two 2 and the cylinder wooden axle 7, the outside surface of one side of handrail No. 1, handrail No. two 2 all is provided with the gap through the outside fixed surface connection in the both sides of No. three bolts and cylinder wooden axle 7 between cylinder wooden axle 7 and the pulley 8, and the middle part surface of cylinder wooden axle 7 passes through the gap and the internal surface swing joint of pulley 8, makes the wheel barrow realize rolling.

It should be noted that the utility model relates to a pupil makes wheel barrow by hand, before using, the assembly is completed under the assistance of teacher, after the assembly is completed, both hands hold one end of the handrail 1 and the handrail 2 respectively, press downwards slightly, both hands keep the same acting force, the wheel barrow can be pushed by walking forward, when teaching, the student can operate by oneself, slide the rubber block 9 or the rubber block 10 and take off a set, through the change of the sensed weight, the student can conveniently understand the principle of equilibrium force, the connection mode of the second landing leg 4 and the second handrail 2 is riveting, the connection mode can be stabilized only by reinforcing the fixed rod additionally, after detaching the hand screw 11, the second landing leg 4 can be rocked with force, installing the hand screw 11 and screwing, the triangle fixing plate 12 plays a fixed role for the second landing leg 4, through the change, the student can conveniently sense the triangle stabilization principle, the first limiting ring 13 and the second limiting ring 14 can limit the two sides of the pulley 8, prevent the pulley 8 from axially deviating and are practical.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a pupil's hand-made wheel barrow, includes handrail (1), its characterized in that: the outer surface of one side of the front end of the first handrail (1) is fixedly provided with a first fixed wood (5), the outer surface of one side of the first fixed wood (5) is fixedly provided with a second handrail (2), the outer surface of the other side of the front end of the first handrail (1) is fixedly provided with a second fixed wood (6), a cylindrical wood shaft (7) is fixedly arranged between the first handrail (1) and the second handrail (2), one supporting leg (3) is fixedly arranged on the outer surface of one side of the lower end of the first handrail (1), one supporting leg (4) is arranged on the outer surface of one side of the lower end of the second handrail (2), one rubber block (9) is fixedly arranged on the outer surface of the other side of the lower end of the first handrail (1), one rubber block (10) is fixedly arranged on the outer surface of the other side of the lower end of the second handrail (2), and a triangular fixed plate (12) is fixedly arranged on the outer surface of one, the utility model discloses a cylinder wooden shaft, including cylinder wooden shaft (7), the front end of triangle fixed plate (12) middle part external fixed surface installs hand screw (11), one side external fixed surface of cylinder wooden shaft (7) installs No. one spacing ring (13), the opposite side external fixed surface of cylinder wooden shaft (7) installs No. two spacing rings (14), the middle part external fixed surface of cylinder wooden shaft (7) installs pulley (8).

2. The handmade unicycle of claim 1, wherein: be provided with the opening No. one between a rubber block (9) and handrail (1), the upper end surface of a rubber block (9) is through the lower extreme one side surface swing joint of opening and handrail (1) No. one, be provided with the opening No. two between No. two rubber block (10) and No. two handrail (2), the upper end surface of No. two rubber block (10) is through the lower extreme one side surface swing joint of opening No. two with No. two handrail (2).

3. The handmade unicycle of claim 1, wherein: the outer surface of the upper end of No. two landing legs (4) is riveted and fixed on the outer surface of one side of the lower end of No. two handrails (2), the outer surface of one end of hand screw (11) runs through triangle fixed plate (12) and can dismantle with the outer surface of one side of No. two landing legs (4) and be connected, be provided with fixing bolt between triangle fixed plate (12) and No. two handrail (2), the outer fixed connection of surface of one side of the front end of one side of triangle fixed plate (12) through fixing bolt and No. two handrail (2), fixing bolt's quantity is two sets of.

4. The handmade unicycle of claim 1, wherein: be provided with a powerful glue between spacing ring (13) and cylinder wooden axle (7), the internal surface of spacing ring (13) is connected through one powerful glue and one side fixed surface of cylinder wooden axle (7), be provided with No. two powerful glues between No. two spacing ring (14) and cylinder wooden axle (7), the internal surface of No. two spacing ring (14) is connected through the opposite side fixed surface of No. two powerful glues and cylinder wooden axle (7).

5. The handmade unicycle of claim 1, wherein: be provided with the bolt No. one between handrail (1), No. two handrail (2) and a fixed wood (5), the both sides surface fixed connection through a bolt and a fixed wood (5) of one side surface of handrail (1), No. two handrail (2), be provided with the bolt No. two between handrail (1), No. two handrail (2) and No. two fixed wood (6), the both sides surface fixed connection through No. two bolts and No. two fixed wood (6) is all gone through to middle part one side surface of handrail (1), No. two handrail (2).

6. The handmade unicycle of claim 1, wherein: be provided with the bolt No. three between handrail (1), handrail No. two (2) and cylinder wooden axle (7), the both sides surface fixed connection through bolt No. three and cylinder wooden axle (7) is all gone up to one side surface of handrail No. 1, handrail No. two (2), be provided with the gap between cylinder wooden axle (7) and pulley (8), the internal surface swing joint of gap and pulley (8) is passed through to the middle part surface of cylinder wooden axle (7).