CN201769849U - Folding trolley frame - Google Patents

Folding trolley frame Download PDF

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Publication number
CN201769849U
CN201769849U CN2010202083788U CN201020208378U CN201769849U CN 201769849 U CN201769849 U CN 201769849U CN 2010202083788 U CN2010202083788 U CN 2010202083788U CN 201020208378 U CN201020208378 U CN 201020208378U CN 201769849 U CN201769849 U CN 201769849U
Authority
CN
China
Prior art keywords
vehicle frame
hinged
rear foot
slide bar
frame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2010202083788U
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Chinese (zh)
Inventor
马丁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SAIBO ENTERPRISE
Original Assignee
SAIBO ENTERPRISE
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SAIBO ENTERPRISE filed Critical SAIBO ENTERPRISE
Priority to CN2010202083788U priority Critical patent/CN201769849U/en
Application granted granted Critical
Publication of CN201769849U publication Critical patent/CN201769849U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to the technical field of trolleys, in particular to a folding trolley frame. The folding trolley frame comprises a front frame, a rear frame and a pushing handle, wherein the top of the front frame and the bottom of the pushing handle are hinged with the top of a sliding rod respectively; a rear pin of the rear frame is slidably sleeved on the bottom of the sliding rod; the two ends of an upper connecting rod are hinged with the pushing handle and the rear pin respectively; the two ends of a lower connecting rod are hinged with the front frame and the rear pin respectively; the front frame, the rear frame and the pushing handle of the folding trolley frame are connected through the sliding rod, the upper connecting rod and the lower connecting rod to form a linkage structure which can be synchronously folded or extended, and drives the rear pin and a rear wheel set to slide downwards when folded, so that the rear wheel set and a front wheel set are staggered away from each other; and thus the front frame can be completely folded on the rear frame, the front wheel set can be completely placed in the frame, and the trolley has small size, occupies small space and is convenient to store and transport after being folded.

Description

The Foldable pushcart skeleton
Technical field:
The utility model relates to the hand barrow technical field, refers in particular to the Foldable pushcart skeleton.
Background technology:
Hand barrow can be placed seat, hand basket or automobile seat on skeleton, be mainly used in for the child and take or place article.Existing hand barrow skeleton includes front vehicle frame, back vehicle frame and handle, the front vehicle frame bottom is equipped with preceding wheels, back bottom of frame is equipped with the back wheels, front vehicle frame and handle are hinged with the back vehicle frame respectively, can with handle and front vehicle frame backward vehicle frame rotate and fold, but this Foldable pushcart skeleton is after folding, preceding wheels can bump with the back wheels is in the same place, front vehicle frame just can not be rotated after turning to certain angle, folding is got up fully, preceding wheels can't be placed into fully the skeleton the inside, and volume is bigger after the hand barrow folding, it is big to take up room, and deposits and transport inconvenience.
The utility model content:
The purpose of this utility model is exactly that the deficiency that exists at prior art and providing can be placed into preceding wheels skeleton the inside, Foldable pushcart skeleton that volume is little after a kind of folding fully.
To achieve these goals, the technical solution adopted in the utility model is: the Foldable pushcart skeleton, it includes front vehicle frame, back vehicle frame and handle, the front vehicle frame bottom is equipped with preceding wheels, back bottom of frame is equipped with the back wheels, back vehicle frame includes two rear foot tubes and the fixed link that is connected two rear foot tubes, front vehicle frame, pass through slide bar between back vehicle frame and the handle, boxed rod, lower link connects to form the serial verb construction that can fold or launch synchronously, the top of front vehicle frame and the bottom of handle are hinged with the top of slide bar respectively, the rear foot tube of back vehicle frame is slidingly located on the bottom of slide bar, the two ends of boxed rod respectively with handle, rear foot tube is hinged, the two ends of lower link respectively with front vehicle frame, rear foot tube is hinged.
Described boxed rod and lower link equal in length.
The top of described slide bar is provided with jointed shaft, and the top of front vehicle frame and the bottom of handle are hinged on the jointed shaft respectively.
Be provided with in the described slide bar and rear foot tube bonded assembly Locking Device.
Described Locking Device includes shift knob, dead man and locking bar, the middle part of dead man and the middle part of locking bar are hinged on the slide bar respectively, shift knob is slidingly arranged on the slide bar, one end of shift knob pushing tow dead man, the other end of dead man contacts an end of locking bar, the other end of locking bar is provided with grab, and rear foot tube is provided with the card post, and the grab hook joint is on the card post.
The utility model beneficial effect is: the Foldable pushcart skeleton that the utility model provides, it includes front vehicle frame, back vehicle frame and handle, the top of front vehicle frame and the bottom of handle are hinged with the top of slide bar respectively, the rear foot tube of back vehicle frame is slidingly located on the bottom of slide bar, the two ends of boxed rod respectively with handle, rear foot tube is hinged, the two ends of lower link respectively with front vehicle frame, rear foot tube is hinged, front vehicle frame of the present utility model, pass through slide bar between back vehicle frame and the handle, boxed rod, lower link connects to form the serial verb construction that can fold or launch synchronously, but interlock drive rear foot tube and back wheels are together to lower slider when folding, back wheels and preceding wheels are staggered mutually, thereby front vehicle frame fully folding to the back vehicle frame on, preceding wheels can be placed into fully the skeleton the inside, volume is little after the hand barrow folding, it is little to take up room, and deposits and convenient transportation.
Description of drawings:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation in the utility model folding process;
Fig. 3 is the structural representation under the utility model folded state;
Fig. 4 is the structural representation that the utility model Locking Device is in lockup state;
Fig. 5 is the structural representation that the utility model Locking Device is in released state.
The specific embodiment:
Below in conjunction with accompanying drawing the utility model is further described, see shown in Fig. 1~5, the utility model includes front vehicle frame 1, back vehicle frame 2 and handle 3, front vehicle frame 1 bottom is equipped with preceding wheels 4, back vehicle frame 2 bottoms are equipped with back wheels 5, back vehicle frame 2 includes two rear foot tubes 21 and the fixed link 22 that is connected two rear foot tubes 21, connects to form the serial verb construction that can fold or launch synchronously by slide bar 6, boxed rod 7, lower link 8 between front vehicle frame 1, back vehicle frame 2 and the handle 3.Wherein, the top of slide bar 6 is provided with jointed shaft 61, the bottom of the top of front vehicle frame 1 and handle 3 is hinged on respectively on the jointed shaft 61, the rear foot tube 21 of back vehicle frame 2 is slidingly located on the bottom of slide bar 6, the two ends of boxed rod 7 are hinged with handle 3, rear foot tube 21 respectively, the two ends of lower link 8 are hinged with front vehicle frame 1, rear foot tube 21 respectively, boxed rod 7 and lower link 8 equal in length.
Be provided with in the slide bar 6 and rear foot tube 21 bonded assembly Locking Devices 9, Locking Device 9 includes shift knob 91, dead man 92 and locking bar 93, the middle part of the middle part of dead man 92 and locking bar 93 is hinged on respectively on the slide bar 6, shift knob 91 is slidingly arranged on the slide bar 6, one end of shift knob 91 pushing tow dead mans 92, the other end of dead man 92 contacts an end of locking bar 93, and the other end of locking bar 93 is provided with grab 931, rear foot tube 21 is provided with card post 211, and grab 931 hook joints are on card post 211.The hand barrow skeleton under deployed condition, grab 931 can automatic hook joint on card post 211, Locking Device 9 is in lockup state, locking is fixed and can not be slided between rear foot tube 21 and the slide bar 6; When needs were folding, with hand PS (Push Switch) button 91, shift knob 91 promoted dead man 92 and rotates, stirring locking bar 93 in dead man 92 rotation processes rotates, make grab 931 break away from card post 211, Locking Device 9 is in released state, and at this moment rear foot tube 21 can be free to slide with respect to slide bar 6.
Connect to form the serial verb construction that can fold or launch synchronously by slide bar 6, boxed rod 7, lower link 8 between front vehicle frame 1 of the present utility model, back vehicle frame 2 and the handle 3, but interlock drive rear foot tube 21 and back wheels 5 were together to lower slider when handle 3 and front vehicle frame 1 folded, back wheels 5 are staggered mutually with preceding wheels 4, thereby front vehicle frame 1 fully folding to the back vehicle frame 2 on, preceding wheels 4 can be placed into fully the skeleton the inside, volume is little after the hand barrow folding, and it is little to take up room, and deposits and convenient transportation.
Certainly, the above only is a better embodiment of the present utility model, so all equivalences of doing according to the described structure of the utility model patent claim, feature and principle change or modify, is included in the utility model patent claim.

Claims (5)

1. Foldable pushcart skeleton, it includes front vehicle frame (1), back vehicle frame (2) and handle (3), front vehicle frame (1) bottom is equipped with preceding wheels (4), back vehicle frame (2) bottom is equipped with back wheels (5), back vehicle frame (2) includes two rear foot tubes (21) and the fixed link (22) that is connected two rear foot tubes (21), it is characterized in that: described front vehicle frame (1), pass through slide bar (6) between back vehicle frame (2) and the handle (3), boxed rod (7), lower link (8) connects to form the serial verb construction that can fold or launch synchronously, the bottom of the top of front vehicle frame (1) and handle (3) is hinged with the top of slide bar (6) respectively, the rear foot tube (21) of back vehicle frame (2) is slidingly located on the bottom of slide bar (6), the two ends of boxed rod (7) respectively with handle (3), rear foot tube (21) is hinged, the two ends of lower link (8) respectively with front vehicle frame (1), rear foot tube (21) is hinged.
2. Foldable pushcart skeleton according to claim 1 is characterized in that: described boxed rod (7) and lower link (8) equal in length.
3. Foldable pushcart skeleton according to claim 1 is characterized in that: the top of described slide bar (6) is provided with jointed shaft (61), and the bottom of the top of front vehicle frame (1) and handle (3) is hinged on respectively on the jointed shaft (61).
4. according to any described Foldable pushcart skeleton of claim 1-3, it is characterized in that: be provided with in the described slide bar (6) and rear foot tube (21) bonded assembly Locking Device (9).
5. Foldable pushcart skeleton according to claim 4, it is characterized in that: described Locking Device (9) includes shift knob (91), dead man (92) and locking bar (93), the middle part of the middle part of dead man (92) and locking bar (93) is hinged on respectively on the slide bar (6), shift knob (91) is slidingly arranged on the slide bar (6), one end of shift knob (91) pushing tow dead man (92), the other end of dead man (92) contacts an end of locking bar (93), the other end of locking bar (93) is provided with grab (931), rear foot tube (21) is provided with card post (211), and grab (931) hook joint is on card post (211).
CN2010202083788U 2010-05-31 2010-05-31 Folding trolley frame Expired - Fee Related CN201769849U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010202083788U CN201769849U (en) 2010-05-31 2010-05-31 Folding trolley frame

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010202083788U CN201769849U (en) 2010-05-31 2010-05-31 Folding trolley frame

Publications (1)

Publication Number Publication Date
CN201769849U true CN201769849U (en) 2011-03-23

Family

ID=43749687

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010202083788U Expired - Fee Related CN201769849U (en) 2010-05-31 2010-05-31 Folding trolley frame

Country Status (1)

Country Link
CN (1) CN201769849U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103072610A (en) * 2012-12-15 2013-05-01 广东乐美达集团有限公司 Folding baby carrier
CN103625529A (en) * 2012-08-23 2014-03-12 明门香港股份有限公司 Stroller frame
CN104340253A (en) * 2013-08-02 2015-02-11 明门香港股份有限公司 Stroller frame
WO2022121897A1 (en) * 2020-12-11 2022-06-16 好孩子儿童用品有限公司 Foldable cart

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103625529A (en) * 2012-08-23 2014-03-12 明门香港股份有限公司 Stroller frame
CN103072610A (en) * 2012-12-15 2013-05-01 广东乐美达集团有限公司 Folding baby carrier
CN103072610B (en) * 2012-12-15 2015-07-29 广东乐美达集团有限公司 A kind of folding baby carrier
CN104340253A (en) * 2013-08-02 2015-02-11 明门香港股份有限公司 Stroller frame
CN104340253B (en) * 2013-08-02 2017-03-29 明门香港股份有限公司 vehicle frame
WO2022121897A1 (en) * 2020-12-11 2022-06-16 好孩子儿童用品有限公司 Foldable cart

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110323

Termination date: 20180531

CF01 Termination of patent right due to non-payment of annual fee