CN2710997Y

CN2710997Y - Folding and telescopic type trolley

Info

Publication number: CN2710997Y
Application number: CN 200420051739
Authority: CN
Inventors: 刘智军
Original assignee: Qingdao Huatian Hand Truck Co Ltd
Current assignee: Qingdao Huatian Hand Truck Co Ltd
Priority date: 2004-06-22
Filing date: 2004-06-22
Publication date: 2005-07-20
Anticipated expiration: 2014-06-22

Abstract

The utility model discloses a folding and telescopic type trolley which is transportation means, comprising a trolley hopper, a trolley handle, wheels and feet. The folding and telescopic type trolley is characterized in that a hopper shim plate is fixed at the bottom surface of the trolley hopper, a fixing bracket is fixed on the centerline under the hopper shim plate, bolsters are fixed at the both sides under the hopper shim plate, the trolley handle is fixed under the bolsters, and sleeve tubes at the both ends of the feet are fixed under trolley handle tubes. The folding and telescopic type trolley has advantages that the trolley handle can be expanded and contracted, the wheels and the feet can be rotated to fold with simple and convenient operation, after folding and contraction, the volume is obviously contracted, and the folding and telescopic type trolley which is convenient for carrying reduces the expenses of packaging, storing and transporting.

Description

The folding telescopic hand barrow

(1) technical field

The utility model relates to a kind of transportation means that is easy to carry and packs, a kind of specifically folding telescopic hand barrow.

(2) background technology

Traditional hand barrow mostly is fixed type, but carry with transportation in, wish that volume is smaller, so that carry and reduce packing, deposit and cost of transportation.In order to address this problem, some hand barrows change reassembling type into, or handlebar is collapsible.But reassembling type in use since troublesome poeration often do not adopted by people, though and handlebar is collapsible has reduced a part of volume, base portion can not change, volume reduces also not obvious.

(3) summary of the invention

The purpose of this utility model is to overcome the shortcoming in the above-mentioned technology, proposes a kind of folding telescopic hand barrow, and its handlebar can be stretched, wheel, car leg can fold, and operation easily is easy to carry, volume when having reduced packing, deposit and having transported has reduced expense.

The purpose of this utility model is realized by following technical scheme: this folding telescopic hand barrow, comprise wagon box 101, and handlebar 200, wheel 302, leg 402 is characterized in that coal tub backing plate 103 is fixed on the bottom surface of wagon box 101; Fixed mount 310 is fixed on the line of centers below the coal tub backing plate 103; Chock 104 is fixed on the both sides below the coal tub backing plate 103; Handlebar tube 201 be fixed on chock 104 below; The sleeve pipe 401 at leg 402 two ends be fixed on handlebar tube 201 below.

Coal tub backing plate 103 is a flat board (comprising metal sheet, other high-strength plate, plank or plastic flagstone), and there is clamping element 102 in the preceding outside of wagon box 101.

Wheel shaft 303, in the hole of support 301 and wheel 302, preceding support 301 can be rotated around wheel shaft 303 before penetrating; Bolt shaft 308 vertically penetrates rotating shaft 306 butt ends, and it is lateral opening that 310 liang of fixed mounts are passed at its two ends, and is fixing by nut 309, and rotating shaft 306 can be rotated around bolt shaft 308; Rotating shaft 306 thin ends pass wheel carrier 304 top centre holes, and are fixing by jam nut 307, and wheel carrier 304 can 306 rotate around the shaft; Axis 305 is fixed on the end of wheel carrier 304 near rotating shaft 306, Fastener 311 is in the inboard, both sides of fixed mount 310, D shape brake component 312 cooperates with Fastener 311 interference axles, and with fixed mount 310 running-fits, spring 313 is inserted in D shape brake component 312 and is fixed on the Fastener 311.

Handlebar 200 inserts in the handlebar tube 201, and in the car body outside, handlebar tube 201 is inserted an end of mouth, has one along axis and clamps slit 207, and clamping slit 207 both sides has the iron 208 of clamping, clamps iron 208 and handlebar tube 201 and is fixed together; Brake component 206 1 ends are handle, the other end is eccentric braking head, eccentric braking head has Friction disk 204 with the last slice contact position that clamps iron 208, adapter shaft 203 porose ends pass friction lining 204, it is inner radially to penetrate eccentric braking head, it is fixing by jam nut 202 that 206 one-tenth free-running fits of eccentric shaft 205 and brake component, adapter shaft 203 other ends are passed clamping iron 208.

Sleeve pipe 401 is at the two ends of leg 402, and is fixed on the two ends of handlebar tube 201, and clamps 207 one-tenth 90 ° of slits.Leg 402 passes through locking steel ball 404 and Spring Card 403 lock in place with sleeve pipe 401.

The utility model has the advantages that handlebar can stretch, wheel and leg can rotary foldings, and be simple and convenient, brought convenience to the user, significantly dwindled volume after folding the contraction, is easy to carry the expense that has reduced packing, deposits and transported.

(4) description of drawings

Fig. 1 is a folding telescopic hand barrow running condition assembly drawing,

Rotate around wheel shaft 303; Bolt shaft 308 vertically penetrates rotating shaft 306 butt ends, and it is lateral opening that 310 liang of fixed mounts are passed at its two ends, and is fixing by nut 309, and rotating shaft 306 can be rotated around bolt shaft 308; Rotating shaft 306 thin ends pass wheel carrier 304 top centre holes, and are fixing by jam nut 307, and wheel carrier 304 can 306 rotate around the shaft; Axis 305 is fixed on the end of wheel carrier 304 near rotating shaft 306, Fastener 311 is in the inboard, both sides of fixed mount 310, D shape brake component 312 cooperates with Fastener 311 interference axles, and with fixed mount 310 running-fits, spring 313 is inserted in D shape brake component 312 and is fixed on the Fastener 311.

Handlebar 200 inserts in the handlebar tube 201, and in the car body outside, handlebar tube 201 is inserted an end of mouth, has one along axis and clamps slit 207, and clamping slit 207 both sides has the iron 208 of clamping, clamps iron 208 and handlebar tube 201 and is fixed together; Brake component 206 1 ends are handle, the other end is eccentric braking head, eccentric braking head has Friction disk 204 with the last slice contact position that clamps iron 208, adapter shaft 203 porose ends pass friction lining 204, it is inner radially to penetrate eccentric braking head, 206 one-tenth free-running fits of eccentric shaft 205 and brake component are with the hole interference fit of adapter shaft 203 1 ends.It is fixing by jam nut 202 that adapter shaft 203 other ends pass clamping 208.

(4) description of drawings

Fig. 1 is a folding telescopic hand barrow running condition assembly drawing,

Clamping iron 208 is fixed together with handlebar tube 201; Brake component 206 1 ends are handle, the other end is eccentric braking head, eccentric braking head has Friction disk 204 with the last slice contact position that clamps iron 208, adapter shaft 203 porose ends pass friction lining 204, it is inner radially to penetrate eccentric braking head, it is fixing by jam nut 202 that 206 one-tenth free-running fits of eccentric shaft 205 and brake component, adapter shaft 203 other ends are passed clamping iron 208.

When hand barrow is in running order, rotating wheel carrier 304 makes axis 305 parallel with bolt shaft 308, and it is folded to fixed mount 310, driving Fastener 311 when rotating D type brake component 312 rotates, axis 305 is snapped in the groove of Fastener 311, loose one's grip back Fastener 311 under the elastic force effect of spring 313, chucking axis 305, preceding support 301 is rotated, in the clamping element 102 of packing into.Rolling brake spare 206 handle portions rotate eccentric braking head, unclamp to clamp iron 208, pull out handlebar 200 after, rolling brake spare 206 clamps iron 208, locking handlebar 200.Rotate leg 402, by locking steel ball 404, Spring Card 403 is positioned at position vertically downward.

Hand barrow is in when folding contraction state, preceding support 301 is pulled out from clamping element 102, rotate D type brake component 312, make axis 305 break away from the groove of Fastener 311, rotating wheel carrier 304 makes axis 305 vertical with bolt shaft 308, wheel carrier 304 is stretched out, and preceding support 301 turns to fixed mount 310, and is embedded in coal tub backing plate 103 belows with wheel 302 common crouching.Rolling brake spare 206 handle portions rotate eccentric braking head, unclamp to clamp iron 208, and handlebar 200 is inserted in the handlebar tube 201, clamp iron 208, rotate leg 402 by locking steel ball 404, and Spring Card 403 makes it to be positioned at the bottom of coal tub backing plate 103.

Claims

1, a kind of folding telescopic hand barrow comprises wagon box (101), handlebar (200), and wheel (302), leg (402) is characterized in that coal tub backing plate (103) is fixed on the bottom surface of wagon box (101); Fixed mount (310) is fixed on the following line of centers of coal tub backing plate (103); Chock (104) is fixed on the both sides below the coal tub backing plate (103); Handlebar tube (201) be fixed on chock (104) below; The sleeve pipe (401) at leg (402) two ends be fixed on handlebar tube (201) below.

2, folding telescopic hand barrow according to claim 1 is characterized in that coal tub backing plate (103) is dull and stereotyped, and there is clamping element (102) in the preceding outside of wagon box (101).

3, folding telescopic hand barrow according to claim 1 is characterized in that wheel shaft (303), penetrates in the hole of preceding support (301) and wheel (302), and preceding support (301) can center on wheel shaft (303) and rotate; Bolt shaft (308) vertically penetrates rotating shaft (306) butt end, and it is lateral opening that fixed mount (310) two is passed at its two ends, and fixing by nut (309), rotating shaft (306) can be rotated around bolt shaft (308); The thin end of rotating shaft (306) passes wheel carrier (304) top centre hole, and is fixing by jam nut (307), and wheel carrier (304) (306) around the shaft rotates; Axis (305) is fixed on the end of wheel carrier (304) near rotating shaft (306), Fastener (311) is in the inboard, both sides of fixed mount (310), D shape brake component (312) cooperates with Fastener (311) interference axle, and with fixed mount (310) running-fit, spring (313) is inserted in D shape brake component (312) and is fixed on the Fastener (311).

4, folding telescopic hand barrow according to claim 1, it is characterized in that handlebar (200) inserts in the handlebar tube (201), in the car body outside, handlebar tube (201) is inserted an end of mouth, have one along axis and clamp slit (207), clamping slit (207) both sides has clamping iron (208), clamps iron (208) and is fixed together with handlebar tube (201); Brake component (206)

One end is a handle, the other end is eccentric braking head, eccentric braking head has Friction disk (204) with the last slice contact position that clamps iron (208), the porose end of adapter shaft (203) passes friction lining (204), it is inner radially to penetrate eccentric braking head, eccentric shaft (205) becomes free-running fit with brake component (206), and it is fixing by jam nut (202) that adapter shaft (203) other end passes clamping iron (208).

5, folding telescopic hand barrow according to claim 1, it is characterized in that the two ends of sleeve pipe (401) in leg (402), and be fixed on the two ends of handlebar tube (201), become 90 ° with clamping slit (207), leg (402) passes through locking steel ball (404) and Spring Card (403) lock in place with sleeve pipe (401).