CN203946151U - A kind of Collapsible cart vehicle frame - Google Patents
A kind of Collapsible cart vehicle frame Download PDFInfo
- Publication number
- CN203946151U CN203946151U CN201420244413.XU CN201420244413U CN203946151U CN 203946151 U CN203946151 U CN 203946151U CN 201420244413 U CN201420244413 U CN 201420244413U CN 203946151 U CN203946151 U CN 203946151U
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- China
- Prior art keywords
- pipe
- front foot
- handle pipe
- vehicle frame
- cart vehicle
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Abstract
The utility model relates to a kind of Collapsible cart vehicle frame, this go-cart vehicle frame comprises front wheel carrier, rear wheel frame, front foot pipe, rear foot tube, upper handle pipe, lower handle pipe and object carrying support, and the inside of described front foot pipe is also provided with the sliding latch mechanism that can pass front foot pipe surface and stop described sliding connector to slide; Described lower handle pipe upper end is also provided with the rotation lock locking mechanism that stops described rotating connector to rotate.The utility model is folding, and to fold and launch operation comparatively simple and convenient, and folding volume is little, by the different lockable mechanism in two places, vehicle frame is launched after Stability Analysis of Structures, firmly safety; On the utility model object carrying support, can be equipped with, placing baby seat, shopping basket, pet seat etc., to realize different purposes, meet customer's different demands.
Description
technical field:
The utility model relates to hand barrow technical field, refers in particular to a kind of collapsible stroller vehicle frame.
background technology:
Existing go-cart style is varied, the factor such as consider to take up room, and most go-carts are all designed to folding.But, folding and the expansion operation of existing collapsible stroller is trouble comparatively, during most hand barrow fold mechanism operation, user needs both hands, single pin and bends over to carry out folding or launch to operate, thereby cause user and inconvenience thereof, and the design of the lockable mechanism after launching is not good,, there is potential safety hazard in state labile after easily causing go-cart to launch.
utility model content:
The purpose of this utility model is to overcome the weak point of existing product, a kind of collapsible stroller vehicle frame is provided, it is folding and launch hand barrow that user not only can one hand adds single pin operation, and carry out hand barrow folding and while launching user completely can uprightly not bend over just can operate, very convenient and practical.
The technical scheme that the utility model is realized its object employing is: a kind of Collapsible cart vehicle frame, and this go-cart vehicle frame comprises front wheel carrier, rear wheel frame, front foot pipe, rear foot tube, upper handle pipe, lower handle pipe and object carrying support,
Wherein, described front wheel carrier is fixedly connected with the front end of front foot pipe, the rear end of front foot pipe and the corner block pivot joint that is arranged on handle pipe bottom; The lower end of described rear foot tube is rotatably socketed on rear wheel frame, the middle part of rear foot tube is cross connection by a sliding connector and rotary joint and front foot pipe, this sliding connector is located in front foot pipe, and described rotary joint is arranged on the two ends of sliding connector; The anterior rotary type socket of the upper end of rear foot tube and object carrying support, the rear portion of object carrying support is rotatably installed on the corner block of handle pipe; The bottom of described lower handle pipe is rotatably socketed on rear wheel frame, and the upper end of lower handle pipe is connected with the bottom of upper handle pipe by a rotating connector;
The inside of described front foot pipe is also provided with the sliding latch mechanism that can pass front foot pipe surface and stop described sliding connector to slide;
Described lower handle pipe upper end is also provided with the rotation lock locking mechanism that stops described rotating connector to rotate.
Particularly, described sliding latch mechanism comprises the bar that pulls that is arranged on the fixed block in front foot pipe and overlays this fixed block one side, in described fixed block, offer at least one limitting casing, in each limitting casing, be respectively equipped with a movable block and retracing spring, the described rectangular opening that pulls bar to offer to dodge described movable block, and on the contact surface that pulls bar and fixed block, the both sides of the edge of each rectangular opening are respectively equipped with an indent inclined-plane; The outer end of described movable block is provided with the contact part that can pass front foot pipe surface, and the inner end of movable block and retracing spring are conflicted, and the both sides of movable block are provided with and the described passive inclined-plane that pulls the indent inclined-plane on bar to match and contact; The rearward end of described movable tie rod is connected with drag-line, and this drag-line passes the rearward end of described front foot pipe and penetrates in described upper handle pipe, is connected with the pull handle that folds that is arranged on upper handle pipe upper end.
Described fixed block is provided with for the slide rail that pulls bar motion, described in pull bar to be limited between slide rail and front foot pipe inside face.
Described rotating connector comprises the tumbler being connected with the bottom of upper handle pipe, the connecting element being connected with the upper end of lower handle pipe and is connected the rotating shaft of the two, tumbler and connecting element have the arc-shaped surface being in contact with one another, in described connecting element, along lower handgrip pipe, be axially provided with a latch activity space, in this latch activity space, be provided with a latch and pushing top spring, on described tumbler, offer the shrinkage pool that can communicate with described latch activity space, insert for latch; The both sides of described latch are also provided with the lateral pin that passes lower handle pipe both sides, described lower handle pipe both sides are provided with the bar hole for described lateral pin up-and-down movement, in the periphery of described lower handle pipe, be also socketed with a "T"-shaped pedal tube, the outer end of described lateral pin is separately fixed at the both sides of "T"-shaped pedal tube.
In described front foot pipe, the rear of sliding connector is also provided with and limits sliding connector and slide the block of scope.
The number of described rear foot tube is two, lays respectively at the both sides of front foot pipe, and the middle part of rear foot tube is located in the rotary joint of sliding connector both sides actively.
The upper end of described upper handle pipe is also connected with rotatable trammer handle.
On described rear wheel frame, be also provided with brake pipe and brake pedal.
The utility model is folding, and to fold and launch operation comparatively simple and convenient, and folding volume is little, by the different lockable mechanism in two places, vehicle frame is launched after Stability Analysis of Structures, firmly safety; On the utility model object carrying support, can be equipped with, placing baby seat, shopping basket, pet seat etc., to realize different purposes, meet customer's different demands.
accompanying drawing explanation:
Fig. 1 is the block diagram of the utility model deployed condition;
Fig. 2 is cutaway view of the present utility model;
Fig. 3 is the decomposing schematic representation of sliding latch mechanism in the utility model;
Fig. 4, Fig. 5 are the schematic diagrams that rotates lockable mechanism in the utility model;
Fig. 6 is the block diagram of the utility model collapse state.
the specific embodiment:
Below in conjunction with specific embodiments and the drawings, the utility model is further illustrated.
First, as shown in Figure 1 and Figure 2, a kind of Collapsible cart vehicle frame described in the utility model, this go-cart vehicle frame comprises front wheel carrier 1, rear wheel frame 2, front foot pipe 3, rear foot tube 4, upper handle pipe 5, lower handle pipe 6 and object carrying support 7,
Wherein, described front wheel carrier 1 is fixedly connected with the front end of front foot pipe 3, and pin pivot joint is passed through with the corner block 51 that is arranged on handle pipe 5 bottoms in the rear end of front foot pipe 3; The lower end of described rear foot tube 4 is rotatably socketed on rear wheel frame 2, the middle part of rear foot tube 4 is cross connection by a sliding connector 8 and rotary joint 41 with front foot pipe 3, this sliding connector 8 is located in front foot pipe 3, described rotary joint 41 is arranged on the two ends of sliding connector 8, in the present embodiment, the number of described rear foot tube 4 is two, lay respectively at the both sides of front foot pipe 3, the middle part of rear foot tube 4 is located in the rotary joint 41 of sliding connector 8 both sides actively, and rotary joint 41 can be with respect to sliding connector 8 rotations; The anterior rotary type socket of the upper end of rear foot tube 4 and object carrying support 7, the rear portion of object carrying support 7 is rotatably installed on the corner block 51 of handle pipe 5; The bottom of described lower handle pipe 6 is rotatably socketed on rear wheel frame 2, and the upper end of lower handle pipe 6 is connected with the bottom of upper handle pipe 5 by a rotating connector 9;
The inside of described front foot pipe 3 is also provided with the sliding latch mechanism 800 that can pass front foot pipe 3 surfaces and stop described sliding connector 8 to slide;
Described lower handle pipe 6 upper ends are also provided with the rotation lock locking mechanism 900 that stops described rotating connector 9 to rotate.
In the utility model, sliding latch mechanism 800, rotation lock locking mechanism 900 are all when deployed condition, to prevent that vehicle frame from folding and can use; And when needs fold, release sliding latch mechanism 800 and rotation lock locking mechanism 900, just can make each joint action, make go-cart vehicle frame folding.
Particularly, shown in Fig. 3, described sliding latch mechanism 800 comprise be arranged on the fixed block 81 in front foot pipe 3 and overlay these fixed block 81 downsides pull bar 82, described fixed block 81 is provided with for the slide rail 811 that pulls bar 82 motions, the described bar 82 that pulls is limited between slide rail 811 and the inside face of front foot pipe 3, pulls the bar 82 can only be along slide rail 811 straight-line motions.In described fixed block 81, offer two limitting casings 812, limitting casing 812 opening directions are that front foot pipe 3 is axially vertical with fixed block 81 main bodys, towards pulling bar 82; In each limitting casing 812, be respectively equipped with a movable block 83 and retracing spring 84, described two rectangular openings 821 that pull bar 82 to offer to dodge described movable block 83, and pulling on the contact surface of bar 82 and fixed block 81, the both sides of the edge of each rectangular opening 821 are respectively equipped with an indent inclined-plane 822; The outer end of described movable block 83 is provided with the contact part 831 that can pass front foot pipe 3 surfaces, and the inner end of movable block 83 and retracing spring 84 are conflicted, and the both sides of movable block 83 are provided with and the described passive inclined-plane 832 that pulls the indent inclined-plane 822 on bar 82 to match and contact; The rearward end of described movable tie rod 82 is connected with drag-line 85, and this drag-line 85 passes the rearward end of described front foot pipe 3 and penetrates in described upper handle pipe 5, is connected with the pull handle 86 that folds that is arranged on upper handle pipe 5 upper ends.
When deployed condition, due to the conflict effect of retracing spring 84, the contact part 831 of movable block 83 is be piercing in front foot pipe 3 surperficial, forms conflict with the front portion of sliding connector 8, stop sliding connector 8 motions, thereby whole vehicle frame is the use state that launches; And when pulling with hand while folding pull handle 86, by drag-line 85, make to pull bar 82 to move backward, pull its indent inclined-plane 822 that moves through of bar 82 to drive movable block 83 to limitting casing 812 internal motions with the passive inclined-plane 832 of movable block 83 both sides, thereby the contact part 831 that makes movable block 83 is retracted in front foot pipe 3 surfaces, the conflict that sliding connector 8 is subject to disappears, and sliding connector 8 can slide along front foot pipe 3; Why the present embodiment arranges two movable blocks 83, is for when the collapse state, and outstanding front foot pipe 3 surfaces, contact part 831 that are positioned at movable block 83 are on the front come, and the rear portion of conflict sliding connector 8, prevents that the vehicle frame folding from scattering.Certainly, when the utility model folds, need untie the rotation lock locking mechanism 900 of handle pipe 5 and lower handle pipe 6 junctions, because rear foot tube 4 can drive upper and lower handle pipe to rotate while moving with sliding connector 8 simultaneously.
Again in conjunction with shown in Fig. 4, Fig. 5, described rotating connector 9 comprises the tumbler 91 being connected with the bottom of upper handle pipe 5, the connecting element 92 being connected with the upper end of lower handle pipe 6 and is connected the rotating shaft 93 of the two, and tumbler 91 has with connecting element 92 arc-shaped surface being in contact with one another; Rotation lock locking mechanism 900 is realized by following structure: in described connecting element 92, under edge, handle pipe 6 is axially arranged with a latch activity space 921, in this latch activity space 921, be provided with a latch 94 and pushing top spring 95, on described tumbler 91, offer the shrinkage pool 911 that can communicate with described latch activity space 921, insert for latch 94; The both sides of described latch 94 are also respectively equipped with a lateral pin 941 that passes lower handle pipe 6 both sides, described lower handle pipe 6 both sides are provided with the bar hole 601 for described lateral pin 941 up-and-down movements, in the periphery of described lower handle pipe 6, be also socketed with a "T"-shaped pedal tube 96, the outer end of described lateral pin 641 is separately fixed at the both sides of "T"-shaped pedal tube 96.
Shown in Fig. 5, Fig. 6, when deployed condition, upper handle pipe 5, lower handle pipe 6 are roughly point-blank, the tumbler 91 of rotating connector 9 and connecting element 92 are in opened condition, now, shrinkage pool 911 on tumbler 91 communicates with the latch activity space 921 on connecting element 92, on same straight line, thrust due to pushing top spring 95, make latch 94 insert the shrinkage pool 911 of tumbler 91, thereby stop tumbler 91 rotation relative to connecting element 92, also just stoped the relative rotation of upper handle pipe 5 and lower handle pipe 6; While stepping on "T"-shaped pedal tube 96 when tramping with one's feet, "T"-shaped pedal tube 96 drives latch 94 to move downward by lateral pin 941, compression pushing top spring 95, make latch 94 depart from the shrinkage pool 911 of tumbler 91, now, tumbler 91 can, with respect to connecting element 92 rotations, be gone up handle pipe 5 and rotate with respect to lower handle pipe 6, coordinate rear foot tube 4 and the release of the sliding connector 8 of front foot pipe 3 infalls to slide, just can make whole vehicle frame folding.
When needs launch vehicle frame again, directly upwards lift handle pipe 5, pull simultaneously and fold pull handle 86, make in the contact part 831 retraction front foot pipe 3 of movable block 83, sliding connector 8 can slide backward, and makes rear foot tube 4 to back upper place, move, open, and then unclamps and folds pull handle 86, movable block 83 automatically protrudes from again front foot pipe 3 under the effect of retracing spring 84, props up the front portion of sliding connector 8; Meanwhile, upper handle pipe 5 with respect to lower handle pipe 6 also rotate to the shrinkage pool 911 on latch 94 and tumbler 91 over against position, under the effect of pushing top spring 95, latch 94 heads in shrinkage pool 911, make handle pipe 5 and lower handle pipe 6 location, whole vehicle frame launches location, can use.
In described front foot pipe 3, the rear of sliding connector 8 is also provided with and limits sliding connector 8 and slide the block 31 of scope.
The upper end of described upper handle pipe 5 is also connected with rotatable trammer handle 52.On described rear wheel frame 2, be also provided with brake pipe 21 and brake pedal 22, can brake deceleration by brake pedal 22 and brake pipe 21, its concrete structure belongs to known technology, does not repeat them here.
In sum, the utility model is folding, and to fold and launch operation comparatively simple and convenient, and folding volume is little, by the different lockable mechanism in two places, vehicle frame is launched after Stability Analysis of Structures, firmly safety; On the utility model object carrying support, can be equipped with, placing baby seat, shopping basket, pet seat etc., to realize different purposes, meet customer's different demands.
Claims (8)
1. a Collapsible cart vehicle frame, is characterized in that: this go-cart vehicle frame comprises front wheel carrier, rear wheel frame, front foot pipe, rear foot tube, upper handle pipe, lower handle pipe and object carrying support,
Wherein, described front wheel carrier is fixedly connected with the front end of front foot pipe, the rear end of front foot pipe and the corner block pivot joint that is arranged on handle pipe bottom; The lower end of described rear foot tube is rotatably socketed on rear wheel frame, the middle part of rear foot tube is cross connection by a sliding connector and rotary joint and front foot pipe, this sliding connector is located in front foot pipe, and described rotary joint is arranged on the two ends of sliding connector; The anterior rotary type socket of the upper end of rear foot tube and object carrying support, the rear portion of object carrying support is rotatably installed on the corner block of handle pipe; The bottom of described lower handle pipe is rotatably socketed on rear wheel frame, and the upper end of lower handle pipe is connected with the bottom of upper handle pipe by a rotating connector;
The inside of described front foot pipe is also provided with the sliding latch mechanism that can pass front foot pipe surface and stop described sliding connector to slide;
Described lower handle pipe upper end is also provided with the rotation lock locking mechanism that stops described rotating connector to rotate.
2. Collapsible cart vehicle frame according to claim 1, it is characterized in that: described sliding latch mechanism comprises the bar that pulls that is arranged on the fixed block in front foot pipe and overlays this fixed block one side, in described fixed block, offer at least one limitting casing, in each limitting casing, be respectively equipped with a movable block and retracing spring, the described rectangular opening that pulls bar to offer to dodge described movable block, and on the contact surface that pulls bar and fixed block, the both sides of the edge of each rectangular opening are respectively equipped with an indent inclined-plane; The outer end of described movable block is provided with the contact part that can pass front foot pipe surface, and the inner end of movable block and retracing spring are conflicted, and the both sides of movable block are provided with and the described passive inclined-plane that pulls the indent inclined-plane on bar to match and contact; The rearward end of described movable tie rod is connected with drag-line, and this drag-line passes the rearward end of described front foot pipe and penetrates in described upper handle pipe, is connected with the pull handle that folds that is arranged on upper handle pipe upper end.
3. Collapsible cart vehicle frame according to claim 2, is characterized in that: described fixed block is provided with for the slide rail that pulls bar motion, described in pull bar to be limited between slide rail and front foot pipe inside face.
4. Collapsible cart vehicle frame according to claim 1, it is characterized in that: described rotating connector comprises the tumbler being connected with the bottom of upper handle pipe, the connecting element being connected with the upper end of lower handle pipe and is connected the rotating shaft of the two, tumbler and connecting element have the arc-shaped surface being in contact with one another, in described connecting element, along lower handgrip pipe, be axially provided with a latch activity space, in this latch activity space, be provided with a latch and pushing top spring, on described tumbler, offer the shrinkage pool that can communicate with described latch activity space, insert for latch; The both sides of described latch are also provided with the lateral pin that passes lower handle pipe both sides, described lower handle pipe both sides are provided with the bar hole for described lateral pin up-and-down movement, in the periphery of described lower handle pipe, be also socketed with a "T"-shaped pedal tube, the outer end of described lateral pin is separately fixed at the both sides of "T"-shaped pedal tube.
5. Collapsible cart vehicle frame according to claim 1, is characterized in that: in described front foot pipe, the rear of sliding connector is also provided with and limits sliding connector and slide the block of scope.
6. Collapsible cart vehicle frame according to claim 1, is characterized in that: the number of described rear foot tube is two, and lay respectively at the both sides of front foot pipe, the middle part of rear foot tube is located in the rotary joint of sliding connector both sides actively.
7. Collapsible cart vehicle frame according to claim 1, is characterized in that: the upper end of described upper handle pipe is also connected with rotatable trammer handle.
8. Collapsible cart vehicle frame according to claim 1, is characterized in that: on described rear wheel frame, be also provided with brake pipe and brake pedal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420244413.XU CN203946151U (en) | 2014-05-13 | 2014-05-13 | A kind of Collapsible cart vehicle frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420244413.XU CN203946151U (en) | 2014-05-13 | 2014-05-13 | A kind of Collapsible cart vehicle frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203946151U true CN203946151U (en) | 2014-11-19 |
Family
ID=51888207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420244413.XU Withdrawn - After Issue CN203946151U (en) | 2014-05-13 | 2014-05-13 | A kind of Collapsible cart vehicle frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203946151U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104002851A (en) * | 2014-05-13 | 2014-08-27 | 东莞市英之堡婴儿用品有限公司 | Foldable trolley frame |
| CN106004965A (en) * | 2016-06-08 | 2016-10-12 | 中山盛加儿童用品有限公司 | Novel folding trolley |
-
2014
- 2014-05-13 CN CN201420244413.XU patent/CN203946151U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104002851A (en) * | 2014-05-13 | 2014-08-27 | 东莞市英之堡婴儿用品有限公司 | Foldable trolley frame |
| CN106004965A (en) * | 2016-06-08 | 2016-10-12 | 中山盛加儿童用品有限公司 | Novel folding trolley |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141119 Effective date of abandoning: 20160831 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |