CN208842550U - A kind of anti-nose bicycle frame device of tricycle - Google Patents

Abstract

The utility model discloses a kind of anti-nose bicycle frame devices of tricycle, including vehicle frame, the right side bottom surface of vehicle frame front and rear sides is fixedly installed positioning plate by welding, positioning plate is T-shaped, big hole is provided in the middle part of positioning plate, the right part of positioning plate and the center of lower part are respectively arranged with small sircle hole, rotary shaft is provided in big hole, rotary shaft includes shaft, first fixed plate and supporting leg, fixation hole is provided in first fixed plate, first fixed plate is located at the front and rear sides of positioning plate, supporting leg is located at the positive bottom of the front and rear sides of vehicle frame, it is bolted on front side of rotary shaft and is provided with operation handle, pin shaft is provided in fixation hole, the other end of pin shaft is provided with safety pin；In use, driving supporting leg to be rotated by handle, prevent tricycle in self-unloading the phenomenon that the tilting of the headstock as caused by the variation of gravity；The utility model have the advantages that structure it is simple, using safe.

Description

A kind of anti-nose bicycle frame device of tricycle

Technical field

The utility model belongs to technical field of motorcycles, and in particular to a kind of anti-nose bicycle frame device of tricycle.

Background technique

The support shaft for carrying carriage weight overturning is mounted on tricycle frame mostly by current market sales of tricycle Rearmost end compartment jack-up is dipped down and unloads cargo by the hydraulic lifting arm of vehicle frame front end when unloading, vehicle when due to compartment overturning The center of mass point in compartment moves backward, when the position of center of mass point is located at the rear side of the rear axle of tricycle, under gravity, three-wheel The headstock of vehicle is easy for tilt, and causes accident when self-unloading, in addition, even if when brake gear works, tricycle Understand car slipping under gravity, causes certain accident；To solve the above problems, develop a kind of structure it is simple, using safe The anti-nose bicycle frame device of tricycle it is necessary.

Utility model content

The purpose of this utility model is to overcome the deficiencies in the prior art, and provide a kind of structure it is simple, using safe The anti-nose bicycle frame device of tricycle.

Purpose of the utility model is realized as follows: a kind of anti-nose bicycle frame device of tricycle, including vehicle frame, the vehicle The right side bottom surface of frame front and rear sides is fixedly installed positioning plate by welding, and the positioning plate is T-shaped, described Big hole is provided in the middle part of positioning plate, the right part of the positioning plate and the center of lower part are respectively arranged with small sircle hole, wherein right The small sircle hole in portion is provided with rotation in the big hole to the distance of big hole and small sircle hole being equidistant to big hole of lower part Shaft, the rotary shaft include shaft, the first fixed plate and supporting leg, are fixedly installed on the shaft by welding One fixed plate and supporting leg, are fixedly installed the first fixed plate on the shaft by welding, and described the one the first is fixed Fixation hole is provided on plate, the fixation hole is identical as the position of small sircle hole, equal in magnitude, and the fixed plate is located at positioning The front and rear sides of plate are provided with supporting leg by axle sleeve and bolt fastening on the shaft, and the supporting leg is located at the front and back two of vehicle frame The lower part of side is bolted on front side of the rotary shaft and is provided with operation handle, pin shaft, institute are provided in the fixation hole The other end for stating pin shaft is provided with safety pin.

Further, the supporting leg and operation handle are mutually perpendicular to or any direction.

Further, the bottom of the supporting leg is provided with the second fixed plate.

Further, the quantity of the supporting leg is multiple, and two adjacent branch midlegs are connected by the connecting rod of setting It connects, two adjacent supporting legs can form " people " font.

Further, the bottom of the supporting leg and ground touch.

Further, the operation handle may be alternatively provided as the rotation hand wheel using rotary shaft as axle center.

Further, the bottom surface of second fixed plate is provided with antiskid particles.

By adopting the above-described technical solution, the beneficial effects of the utility model are:

(1) by the operation handle of setting, supporting leg is horizontally or vertically placed；It, will by pin shaft when level Fixation hole in first fixed plate is connected with the small sircle hole of lower part, when vertical, dials the pin shaft being lauched usually, then pass through pin shaft Fixation hole in first fixed plate is connected with the small sircle hole of right part, prevents supporting leg from rotating；Whole device structure is simple, uses Safe ready；

(2) by the safety pin of setting, prevent the pin shaft as caused by vibration from falling off.

Detailed description of the invention

Fig. 1 is perspective view of the utility model when packing up.

Fig. 2 is the perspective view of the utility model when in use.

Fig. 3 is the partial enlarged view of Fig. 2.

In figure: 1, vehicle frame 11, positioning plate 2, rotary shaft 21, shaft 22, the first fixed plate 23, supporting leg 3, Operation handle 4, safety pin 1101, big hole 1102, small sircle hole 2201, fixation hole 2301, the second fixed plate.

Specific embodiment

Below with reference to the embodiments and with reference to the accompanying drawing the technical solution of the utility model is described in further detail.

As shown in Figure 1, Figure 2, Figure 3 shows, the anti-nose bicycle frame device of a kind of tricycle, including vehicle frame 1,1 front and back two of vehicle frame The right side bottom surface of side is fixedly installed positioning plate 11 by welding, and the positioning plate 11 is T-shaped, the positioning The middle part of plate 11 is provided with big hole 1101, and the right part of the positioning plate 11 and the center of lower part are respectively arranged with small sircle hole 1102, wherein the small sircle hole 1102 of the distance of the small sircle hole 1102 of right part to big hole 1101 and lower part to big hole 1101 away from From equal, rotary shaft 2 is provided in the big hole 1101, the rotary shaft 2 includes shaft 21, the first fixed plate 22 and supporting leg 23, it is fixedly installed the first fixed plate 22 and supporting leg 23 by welding on the shaft 21, passes through on the shaft 21 The mode of welding is fixedly installed the first fixed plate 22, and fixation hole 2201, the fixation are provided in first fixed plate 22 Hole 2201 is identical as the position of small sircle hole 1102, equal in magnitude, and first fixed plate 22 is located at the front and back of positioning plate 11 Two sides are provided with supporting leg 23 by axle sleeve and bolt fastening on the shaft 21, and the supporting leg 23 is located at the front and rear sides of vehicle frame 1 Lower part, the front side of the rotary shaft 2, which is bolted, is provided with operation handle 3, is provided with pin in the fixation hole 2201 Axis, the other end of the pin shaft are provided with safety pin 4.

The supporting leg 23 is mutually perpendicular to operation handle 3 or any direction.

The bottom of the supporting leg 23 is provided with the second fixed plate 2301.

The quantity of the supporting leg 23 is that the middle part of two multiple, adjacent supporting legs 23 passes through the connecting rod connection of setting, phase Two adjacent supporting legs 23 can form " people " font.

The bottom of the supporting leg 23 and ground touch.

The operation handle 3 can be configured as the rotation hand wheel with rotary shaft 2 for axle center.

The bottom surface of second fixed plate 2301 is provided with antiskid particles.

When the utility model is used, firstly, when tricycle is in normally travel, by by consolidating in the first fixed plate 22 Determine hole 2201 and merge insertion pin shaft and safety pin 4 with the matching of the small sircle hole 1101 of the lower part on positioning plate 11, adjusts operation handle 3 Section is to orientation perpendicular to the ground, at this time convenient for traveling；Then, when tricycle needs self-unloading cargo, by fixed by first The pin shaft and safety pin 4 that fixation hole 2201 on plate 22 is matched with the small sircle hole 1101 of the lower part on positioning plate 11, make to operate Handle 3 is adjusted to the orientation with ground level, and supporting leg 23 and ground touch at this time, passes through consolidating in the first fixed plate 22 of insertion Determine the pin shaft and safety pin 4 that hole 2201 is matched with the right part small sircle hole 1101 on positioning plate 11, prevents in self-unloading, due to matter The phenomenon that tricycle front caused by the moving back of heart point tilts, simultaneously as supporting leg 23 and ground touch, it is therefore prevented that by The phenomenon that tricycle caused by center of mass point moves to right slides, use is safer；Finally, can pass through after the completion of operation Bolt is unclamped, makes operation handle 3 keep locking after horizontal direction is consistent with supporting leg 23, reduces the occupied space of whole device； Whole device structure is simple, and use is safe.

Above embodiments are only to illustrate the technical solution of the utility model rather than its limitations, although referring to above-mentioned implementation The utility model is described in detail in example, it should be understood by a person of ordinary skill in the art that still can be to this reality It is modified or replaced equivalently with novel specific embodiment, and is repaired without departing from any of the spirit and scope of the utility model Change or equivalent replacement, should all cover in the scope of the claims of the utility model.

Claims (7)

1. a kind of anti-nose bicycle frame device of tricycle, including vehicle frame (1), it is characterised in that: the right side of vehicle frame (1) front and rear sides Side bottom surface is fixedly installed positioning plate (11) by welding, and the positioning plate (11) is T-shaped, the positioning plate (11) it is provided in the middle part of big hole (1101), the right part of the positioning plate (11) and the center of lower part are respectively arranged with small sircle hole (1102), wherein the small sircle hole (1102) of right part arrives the distance of big hole (1101) and the small sircle hole (1102) of lower part arrives big hole (1101) be equidistant is provided with rotary shaft (2) in the big hole (1101), the rotary shaft (2) include shaft (21), First fixed plate (22) and supporting leg (23) are fixedly installed the first fixed plate on the shaft (21) by welding (22), it is provided with fixation hole (2201) on first fixed plate (22), the fixation hole (2201) and small sircle hole (1102) Position is identical, equal in magnitude, and first fixed plate (22) is located at the front and rear sides of positioning plate (11), the shaft (21) Upper to be provided with supporting leg (23) by axle sleeve and bolt fastening, the supporting leg (23) is located at the lower part of the front and rear sides of vehicle frame (1), institute It states to be bolted on front side of rotary shaft (2) and be provided with operation handle (3), be provided with pin shaft in the fixation hole (2201), The other end of the pin shaft is provided with safety pin (4).

2. the anti-nose bicycle frame device of a kind of tricycle according to claim 1, it is characterised in that: the supporting leg (23) and behaviour Make handle (3) to be mutually perpendicular to or any direction.

3. the anti-nose bicycle frame device of a kind of tricycle according to claim 1, it is characterised in that: the bottom of the supporting leg (23) Face is provided with the second fixed plate (2301).

4. the anti-nose bicycle frame device of a kind of tricycle according to claim 1, it is characterised in that: the number of the supporting leg (23) Amount is the middle part of two multiple, adjacent supporting legs (23) by the connecting rod connection of setting, and two adjacent supporting legs (23) can shape At " people " font.

5. the anti-nose bicycle frame device of a kind of tricycle according to claim 1, it is characterised in that: the bottom of the supporting leg (23) Portion and ground touch.

6. the anti-nose bicycle frame device of a kind of tricycle according to claim 1, it is characterised in that: the operation handle (3) It may be alternatively provided as the rotation hand wheel with rotary shaft (2) for axle center.

7. the anti-nose bicycle frame device of a kind of tricycle according to claim 3, it is characterised in that: second fixed plate (2301) bottom surface is provided with antiskid particles.