阅读说明：本技术 一种车厢空间可调节的电动三轮车 (Electric tricycle with adjustable carriage space ) 是由 于吉众 于 2019-09-27 设计创作，主要内容包括：本发明公开了一种车厢空间可调节的电动三轮车,包括车厢底座和三轮车车体,所述三轮车车体的右侧顶端固定安装有车厢底座,所述车厢底座的顶端左右两侧分别开设有通孔,两组所述通孔的内部设置有插销,所述车厢底座的内部左右两侧分别设置有第一安装槽,所述第一安装槽的内部左右两侧分别设置有延伸箱体,两组所述延伸箱体朝向车厢底座两侧侧边的部分分别通过焊接固定安装有护板。本发明通过转动开关两侧设置有设置有车厢底座和延伸箱体,可通过改变延长箱体在车厢底座内的安装位置,实现车厢大小的变化,同时也设置有支撑杆和滑块,可形成对延长箱体的支撑作用,加强车体的结构强度。(The invention discloses an electric tricycle with an adjustable carriage space, which comprises a carriage base and a tricycle body, wherein the carriage base is fixedly installed at the top end of the right side of the tricycle body, through holes are respectively formed in the left side and the right side of the top end of the carriage base, bolts are arranged inside two groups of through holes, first installation grooves are respectively formed in the left side and the right side of the inside of the carriage base, extension box bodies are respectively arranged on the left side and the right side of the inside of each first installation groove, and protection plates are respectively fixedly installed on the parts, facing the side edges of the two sides of the carriage base, of. The carriage base and the extension box body are arranged on the two sides of the rotary switch, the size of the carriage can be changed by changing the installation position of the extension box body in the carriage base, and meanwhile, the support rod and the slide block are arranged, so that the support effect on the extension box body can be formed, and the structural strength of the vehicle body is enhanced.)

1. The utility model provides an electric tricycle with adjustable carriage space, includes carriage base (1) and tricycle automobile body (16), its characterized in that: the tricycle is characterized in that a carriage base (1) is fixedly mounted at the top end of the right side of a tricycle body (16), through holes are respectively formed in the left side and the right side of the top end of the carriage base (1), bolts (4) are arranged in two groups of through holes, first mounting grooves are respectively formed in the left side and the right side of the interior of the carriage base (1), extension box bodies (3) are respectively arranged on the left side and the right side of the interior of the first mounting groove, portions, facing the side edges of the two sides of the carriage base (1), of the two groups of extension box bodies (3) are respectively fixedly mounted with a protection plate (2) through welding, a second limiting block (7) and a first limiting block (5) are respectively welded in the middle of the left side and the bottom of the two groups of extension box bodies (3), a third limiting block (11) is welded in the middle position of the lower end of, the utility model discloses a carriage base, including carriage base (1), both ends are provided with the second mounting groove respectively about the bottom welding of carriage base (1), the inside lower extreme of second mounting groove is provided with slide bar (8), the surface cover of slide bar (8) is equipped with slider (10), slider (10) are close to one side of unable adjustment base (12) left and right sides side inside and have bracing piece (9) through pivot fixed mounting, both ends are provided with the third mounting groove respectively around unable adjustment base (12), there is embedding pole (13) inside through second spring (14) fixed mounting of third mounting groove, embedding pole (13) be close to one side fixed mounting of unable adjustment base (12) left and right sides outside and have hand-drawing ball (15).

2. The electro-tricycle with adjustable carriage space of claim 1, wherein: the cross section of the extension box body (3) is in an inverted L shape, and the middle part and the left side of the top end of the extension box body (3) are respectively provided with a group of embedded grooves with the same specification.

3. The electro-tricycle with adjustable carriage space of claim 1, wherein: the width of the transverse part of the bolt (4) is 0.5cm, and the length of the vertical part of the bolt (4) is greater than the sum of the length of the through hole on the surface of the carriage base (1) and the length of the embedded groove at the top end of the extension box body (3).

4. The electro-tricycle with adjustable carriage space of claim 1, wherein: the size of the included angle formed by the right end part of the supporting rod (9) is equal to the size of the included angle formed by the extension box body (3) and the second limiting block (7), and the length of the vertical part of the included angle formed by the right end part of the supporting rod (9) is greater than the length of the horizontal part of the included angle.

5. The electro-tricycle with adjustable carriage space of claim 1, wherein: the inside bottom of slider (10) is provided with horizontal mounting hole, the inside middle-end of slider (10) is provided with vertical mounting hole.

6. The electro-tricycle with adjustable carriage space of claim 1, wherein: the left part of embedding pole (13) is provided with vertical gag lever post, the length of embedding pole (13) of gag lever post left side part is less than the length of third mounting groove.

Technical Field

The invention relates to the technical field of electric tricycles, in particular to an electric tricycle with an adjustable carriage space.

Background

With the continuous development of society, the electric tricycle is also more and more widely used, for example, in agricultural production and cargo transportation, the electric tricycle has many advantages that are difficult to replace, for example, the operation is simple, the work efficiency is high, energy conservation and environmental protection are achieved, and therefore the electric tricycle is popular with consumers, so the market holding capacity of the electric tricycle is also more and more large, but the existing electric tricycle generally has the problem that the size of a carriage is fixed and cannot be adjusted.

Disclosure of Invention

The invention aims to provide an electric tricycle with an adjustable carriage space, which solves the problems that the existing tricycle proposed in the background technology is difficult to change the size of the carriage space of the tricycle and cannot well load articles in a carriage.

In order to achieve the purpose, the invention provides the following technical scheme: an electric tricycle with an adjustable carriage space comprises a carriage base and a tricycle body, wherein the carriage base is fixedly installed at the top end of the right side of the tricycle body, through holes are respectively formed in the left side and the right side of the top end of the carriage base, bolts are arranged inside two groups of the through holes, first installation grooves are respectively formed in the left side and the right side of the inside of the carriage base, extension box bodies are respectively arranged on the left side and the right side of the inside of the first installation groove, guard plates are respectively fixedly installed on the portions, facing the side edges of the two sides of the carriage base, of the two groups of the extension box bodies through welding, a second limiting block and a first limiting block are respectively welded in the left side of the bottom end and in the middle of the bottom end of the two groups of the extension box bodies, a third limiting block, the utility model discloses a carriage base, including carriage base, both ends are provided with the second mounting groove respectively about carriage base's bottom welding, both ends are provided with the slide bar respectively about stationary base's inside, the inside lower extreme of second mounting groove is provided with the slide bar, the surface cover of slide bar is equipped with the slider, the slider is close to the inside one side of stationary base left and right sides side and has the bracing piece through pivot fixed mounting, both ends are provided with the third mounting groove respectively around the stationary base, there is the embedding pole inside of third mounting groove through second spring fixed mounting, the embedding pole be close to the outside one side fixed mounting of stationary base left and right sides side and have.

Preferably, the cross section of the extension box body is in an inverted L shape, and the middle part and the left side of the top end of the extension box body are respectively provided with a group of embedded grooves with the same specification.

Preferably, the width of the transverse part of the bolt is 0.5cm, and the length of the vertical part of the bolt is greater than the sum of the length of the through hole on the surface of the carriage base and the length of the embedded groove at the top end of the extension box body.

Preferably, the inside bottom of slider is provided with horizontal mounting hole, the inside middle-end of slider is provided with vertical mounting hole.

Preferably, the included angle formed by the right end part of the supporting rod is equal to the included angle formed by the extension box body and the second limiting block, and the length of the vertical part of the included angle formed by the right end part of the supporting rod is greater than the length of the horizontal part of the included angle.

Preferably, the left part of the embedding rod is provided with a vertical limiting rod, and the length of the embedding rod at the left side part of the limiting rod is smaller than that of the third mounting groove.

Compared with the prior art, the invention has the beneficial effects that: this electric tricycle with adjustable carriage space is provided with the carriage base and extends the box, and when needs widen the carriage, the accessible changes the mounted position of extension box in the carriage base, realizes the change of carriage size to be convenient for the fine carrying of goods is inside the carriage.

Meanwhile, the electro-tricycle with the adjustable carriage space is provided with the supporting rod and the sliding block, the supporting rod can be embedded into an included angle formed by the extension box body and the second limiting block under the action of the sliding block, the supporting effect on the extension box body is formed, the structural strength of a tricycle body is enhanced, and the stability of the tricycle in use is improved conveniently.

Drawings

Fig. 1 is a schematic front view of the present invention.

Fig. 2 is a partial front view cross-sectional structure diagram of the present invention.

FIG. 3 is a partial side view of the cross-sectional structure of the present invention.

FIG. 4 is a schematic view of a partial side cross-sectional structure of the present invention in use.

Fig. 5 is an enlarged view of the part a in fig. 2 according to the present invention.

In the figure: 1. a carriage base; 2. a guard plate; 3. an extension box body; 4. a bolt; 5. a first stopper; 6. a first spring; 7. a second limiting block; 8. a slide bar; 9. a support bar; 10. a slider; 11. a third limiting block; 12. a fixed base; 13. an embedded rod; 14. a second spring; 15. pulling the ball by hand; 16. tricycle automobile body.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, an embodiment of the present invention is shown: an electric tricycle with an adjustable carriage space comprises a carriage base 1 and a tricycle body 16, wherein the tricycle body 16 is composed of support wheels and other parts, the internal structure, the model and the working principle of the tricycle body 16 are transparent to a person skilled in the art, in addition, the tricycle body 16 is not a protection point of the present application and is not described herein, the carriage base 1 is fixedly installed at the top end of the right side of the tricycle body 16, through holes are respectively formed in the left side and the right side of the top end of the carriage base 1, bolts 4 are respectively arranged inside the two groups of through holes, first installation grooves are respectively arranged on the left side and the right side of the inside of the carriage base 1, extension boxes 3 are respectively arranged on the left side and the right side of the inside of the first installation grooves, the cross sections of the extension boxes 3 are inverted L-shaped, and a group of embedded grooves with the same specification are respectively arranged, through the design of L shape, the extension box bodies 3 can form a structure which is mutually clamped with the carriage base 1, the position of the extension box bodies 3 is convenient to limit, the parts of the two groups of extension box bodies 3 facing the side edges at the two sides of the carriage base 1 are respectively fixedly provided with a guard plate 2 by welding, the width of the transverse part of the bolt 4 is 0.5cm, the length of the vertical part of the bolt 4 is greater than the sum of the length of a through hole on the surface of the carriage base 1 and the length of an embedded groove at the top end of the extension box body 3, through the design, the bolt 4 can not be randomly moved out of the through hole, the stability of the connection between the extension box body 3 and the carriage base 1 is improved, and the left sides of the bottoms and the middle parts of the bottoms of the two groups of extension boxes 3 are respectively welded with a second limiting block 7 and a first limiting block 5, the middle position of the lower end in the first mounting groove is welded with a third limiting block 11, and the third limiting block 11 is fixedly connected with the first limiting block 5 through a first spring 6.

The bottom end of the carriage base 1 is welded with a fixed base 12, the left and right ends inside the fixed base 12 are respectively provided with a second mounting groove, the lower end inside the second mounting groove is provided with a slide bar 8, the surface of the slide bar 8 is sleeved with a slide block 10, the bottom inside the slide block 10 is provided with a transverse mounting hole, the middle inside end of the slide block 10 is provided with a vertical mounting hole, through the design of the transverse mounting hole, the slide block 10 can slide along the range limited by the slide bar 8 and can be fixed on the slide block 10 through the vertical mounting hole, the stability of the device in operation is improved, one side of the slide block 10 close to the inside of the left and right side edges of the fixed base 12 is fixedly provided with a support bar 9 through a rotating shaft, the size of an included angle formed by the right end part of the support bar 9 is equal to the size of an included angle formed by the extension box body 3 and a second limiting block 7, through the design, the supporting rod 9 can be stably embedded in the included angle formed by the extension box body 3 and the second limiting block 7, and through the design of the included angle side of the longer transverse part, the supporting rod 9 is difficult to slide out after being embedded in the included angle formed by the extension box body 3 and the second limiting block 7, the stability of the device is improved, the front end and the rear end of the fixed base 12 are respectively provided with a third installation groove, an embedded rod 13 is fixedly installed in the third installation groove through a second spring 14, the left part of the embedded rod 13 is provided with a vertical limiting rod, the length of the embedded rod 13 at the left part of the limiting rod is smaller than that of the third installation groove, through the design, the left part of the self limiting rod can be extracted from the second installation groove by the embedded rod 13 when the device is used, the device can normally operate, one side of the embedded rod 13 close to the outer parts of the left side and the right side of the fixed base 12, the material of the hand-pulled ball 15 is natural rubber.

The working principle is as follows: when the electric tricycle with the adjustable carriage space is used, when the width of a carriage is adjusted, the bolt 4 is firstly pulled out, the fixed connection between the carriage base 1 and the extension box body 3 is released, the extension box body 3 is pulled out from the inside of the carriage base 1, the first limiting block 5 moves outwards under the pulling of the extension box body 3, the first spring 6 contracts under the action of the first limiting block 5 to store force, when the embedded groove in the middle of the top end of the extension box body 3 is superposed with the through hole in the surface of the carriage base 1, the bolt 4 is inserted into the through hole and penetrates through the through hole to be embedded into the embedded groove, the extension box body 3 is loosened, and the first spring 6 is restored to the initial form, so that the extension box body 3 always has an inward movement trend, and the widening work of the carriage is completed.

When the widened carriage needs to be fixed, the hand-pulling ball 15 is pulled outwards, the embedded rod 13 moves towards the pulling direction of the hand-pulling ball 15 under the action of the hand-pulling ball 15, the second spring 14 contracts under the action of the embedded rod 13 to store force, the supporting rod 9 is pulled out from the inside of the second mounting groove, the sliding block 10 moves towards the pulling direction of the supporting rod 9 along the sliding rod 8 under the pulling action of the supporting rod 9, when the slider 10 moves to the opening position of the second mounting groove, the outer end part of the support rod 9 is embedded into an included angle formed by the extension box body 3 and the second limiting block 7, the hand-pulling ball 15 is loosened, the second spring 14 is restored to the initial state, the embedded rod 13 is restored to the initial position under the action of the second spring 14 and is embedded into the vertical through hole of the slider 10, the fixing effect on the slider 10 is formed, and therefore the support rod 9 forms a supporting effect on the extension box body 3 under the action of the slider 10.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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.