CN205661493U - Excurvation formula rear wheel stay tube, rear wheel subassembly and four -wheeled hand truck thereof - Google Patents
Excurvation formula rear wheel stay tube, rear wheel subassembly and four -wheeled hand truck thereof Download PDFInfo
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- CN205661493U CN205661493U CN201620514663.XU CN201620514663U CN205661493U CN 205661493 U CN205661493 U CN 205661493U CN 201620514663 U CN201620514663 U CN 201620514663U CN 205661493 U CN205661493 U CN 205661493U
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- vehicle frame
- stay tube
- rear wheel
- connecting portion
- seat
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Abstract
The utility model discloses an excurvation formula rear wheel stay tube, rear wheel subassembly and four -wheeled hand truck thereof belongs to trolley structure accessory field, and this stay tube comprises connecting portion, the portion of bending and installation department, connecting portion, the portion of bending and installation department integrated into one piece, and the portion of bending sets up between connecting portion and installation department make the portion of bending belong to the axis along connecting portion and belong to the axis to the installation department and carry out the S -shaped bending. Change the stay tube that the S -shaped is crooked into through the stay tube that appears original straight line, user's step both sides (have been widened) in the increase activity space scope, and the whole fashion of outward appearance is pleasing to the eye, crisscross each other when making things convenient for the shrink of product motorcycle type folding between spare part is saved space, in addition, the crooked stay tube of S -shaped after the improvement can be formed a complete set in a flexible way and make the position of rear wheel stay tube in various motorcycle types, and application scope is wide, excellent in use effect.
Description
Technical field
This utility model relates to a kind of excurvation formula Rear wheel support pipe, wheel assembly and four-wheeled hand truck thereof, belongs to handbarrow
Structural fittings field.
Background technology
Occurring in that some four-wheeled hand trucks in the market, this four-wheeled hand truck has side arm pipe, after-frame pipe, connecting tube structure
The car body become, is arranged at the wheel of car body lower end and is arranged at the handle of car body upper end, for the ease of bearing article, at four-wheel
Gripper shoe and pillar, gripper shoe and pillar and side arm pipe, after-frame pipe composition it is additionally provided with for placing articles on handbarrow
Accommodation space.
Product vehicle currently on the market, Rear wheel support pipe is typically all straight line tubing, and external form is common, and for using
The foot traffic width of person receives certain space and limits.
Summary of the invention
The problem existed for above-mentioned prior art, this utility model provides a kind of excurvation formula Rear wheel support pipe, rear wheels
Part and four-wheeled hand truck thereof, add the activity space scope of user step both sides, facilitate product vehicle shrink fold time zero
Interlaced between parts.
To achieve these goals, a kind of excurvation formula Rear wheel support pipe that this utility model uses, this stay tube is by connecting
Portion, bending part and installation portion composition, described connecting portion, bending part and installation portion are one-body molded, and bending part is arranged on connecting portion
And between installation portion, make bending part carry out S-shaped bending along connecting portion place axis to installation portion place axis.
It addition, this utility model additionally provides a kind of wheel assembly containing above-mentioned stay tube, including main body of vehicle frame and point
It is not arranged on front wheel and the rear wheel at main body of vehicle frame two ends；
Described main body of vehicle frame includes that vehicle frame connects seat, and vehicle frame connects seat two ends and is provided with front wheel and rear wheel；
Described vehicle frame connection seat is provided with screens and fixes groove, stopper slot and installing hole；
Described rear wheel includes a stay tube, the brake gear being separately positioned on a stay tube and trailing wheel, in described stay tube
Being provided with interior pipe box plug, said inner tube set plug, a stay tube have the oval movable fluting of correspondence, said inner tube set is provided with pressure beyond the Great Wall
In contracting spring, slide interior plug and slip transverse axis, described slip, plug is fixed in compression spring, and described slip transverse axis two ends are provided with hands
Button is pulled in dynamic slip, and described slip transverse axis is fixed screw by transverse axis and is fastened in described slip beyond the Great Wall.
As improvement, described main body of vehicle frame also includes height adjuster and vehicle frame vertical tube, and described height adjuster is with described
Vehicle frame vertical tube connects, and described vehicle frame vertical tube is arranged on described vehicle frame and connects on seat.
As improvement, described screens is fixed groove and is arranged on the side of vehicle frame connection seat, and described stopper slot is arranged on vehicle frame even
The top of joint chair, described installing hole is arranged on the side of stopper slot.
As improvement, the connecting portion in described stay tube is arranged on vehicle frame by rotary fixing screw nail and connects on seat, described
Rotary fixing screw nail is arranged in described installing hole, and the end of rotary fixing screw nail is fastened by nut.
It addition, this utility model additionally provides a kind of four-wheeled hand truck, this four-wheeled hand truck is provided with above-mentioned excurvation formula
Rear wheel support pipe or be provided with the described wheel assembly of any of the above-described item.
This utility model is by changing by original linear support pipe as a stay tube of S-shaped bending into, and increase (has been widened) to be made
The activity space scope of user's step both sides, and outward appearance entirety fashion is attractive in appearance, when facilitating product vehicle to shrink folding between parts
Interlaced, save space；It addition, the S-shaped bent support pipe after Gai Jining, can be matched with flexibly propping up as trailing wheel in various vehicle
The position of stay tube, applied widely, using effect is good.
Accompanying drawing explanation
Fig. 1 is this utility model excurvation formula Rear wheel support tubular construction schematic diagram；
Fig. 2 is the structural representation of this utility model wheel assembly；
Fig. 3 is the mounting structure schematic diagram of this utility model wheel assembly；
Fig. 4 is the four-wheeled hand truck embodiment one using excurvation formula rear-wheel structure；
Fig. 5 is the four-wheeled hand truck embodiment two using excurvation formula rear-wheel structure；
Fig. 6 is the four-wheeled hand truck embodiment three using excurvation formula rear-wheel structure；
In figure: 1, connecting portion, 2, bending part, 3, installation portion, 4, trailing wheel, 5, height adjuster, 6, vehicle frame vertical tube, 7, vehicle frame
Connect seat, 8, stopper slot, 9, screens fix groove, 10, front wheel, 11, transverse axis fix screw, 12, slip transverse axis, 13, manually slide
Dynamic pull button, 14, slide in plug, 15, compression spring, 16, interior pipe box plug, 17, oval movable fluting, 18, rotary fixing screw nail,
19, brake gear.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage of greater clarity, below by drawings and Examples,
This utility model is further elaborated.However, it should be understood that specific embodiment described herein is only in order to solve
Release this utility model, be not limited to scope of the present utility model.
As it is shown in figure 1, a kind of excurvation formula Rear wheel support pipe, this stay tube is by connecting portion 1, bending part 2 and installation portion 3 groups
Becoming, described connecting portion 1, bending part 2 and installation portion 3 are one-body molded, and bending part 2 is arranged between connecting portion 1 and installation portion 3,
Bending part 2 is made to carry out S-shaped bending along connecting portion 1 place axis to installation portion 3 place axis.
As shown in Figure 2 and Figure 3, a kind of wheel assembly containing above-mentioned stay tube, including main body of vehicle frame and be separately positioned on
The front wheel 10 at main body of vehicle frame two ends and rear wheel；
Described main body of vehicle frame includes that vehicle frame connects seat 7, and vehicle frame connects seat 7 two ends and is provided with front wheel 10 and rear wheel；
Described vehicle frame connection seat 7 is provided with screens and fixes groove 9, stopper slot 8 and installing hole；
Described rear wheel includes a stay tube, the brake gear 19 being separately positioned on a stay tube and trailing wheel 4, described stay tube
Inside it is provided with interior pipe box plug 16, said inner tube set plug 16, a stay tube have the oval movable fluting 17 of correspondence, said inner tube set plug
16 are provided with plug 14 and slip transverse axis 12 in compression spring 15, slip, and in described slip, plug 14 is fixed in compression spring 15, institute
Stating slip transverse axis 12 two ends to be provided with manually to slide and pull button 13, described slip transverse axis 12 is fixed described in screw 11 is fastened on by transverse axis
In sliding on plug 14.
As the improvement of embodiment, described main body of vehicle frame also includes height adjuster 5 and vehicle frame vertical tube 6, and described height is adjusted
Joint device 5 is connected with described vehicle frame vertical tube 6, and described vehicle frame vertical tube 6 is arranged on described vehicle frame and connects on seat 7, reasonable in design, really
Protect vehicle frame overall structure sturdy and durable.
As the improvement of embodiment, described screens is fixed groove 9 and is arranged on the side of vehicle frame connection seat 7, and described stopper slot 8 sets
Putting the top connecting seat 7 at vehicle frame, described installing hole is arranged on the side of stopper slot 8, easy to process, installs simple.
As the improvement of embodiment, the connecting portion 1 in described stay tube is arranged on vehicle frame even by rotary fixing screw nail 18
On joint chair 7, described rotary fixing screw nail 18 is arranged in described installing hole, and the end of rotary fixing screw nail 18 is tight by nut
Gu, it is ensured that turn over after the rotation of rear wheel.
It addition, as shown in Figure 4, a kind of four-wheeled hand truck, including gripper shoe, also include any of the above-described item described wheel group
Part, described vehicle wheel component has two groups.
When vehicle wheel component in above-mentioned handbarrow is installed, first interior pipe box plug 16 is fixed on portion in oval profile material tube, and
By compression spring 15, the interior plug 14 that slides, transverse axis fixes screw 11 and slip transverse axis 12 forms one placement and is fixed on interior pipe box plug
16 is internal, and slip transverse axis 12 is by extending out to outside by oval movable 17 both sides of slotting, and it is fixing to pull button 13 with manually sliding
Integral, under the effect of compression spring 15, can use manually slides pulls the cunning before and after button 13 is carried out along oval movable fluting 17
Dynamic, follow closely, with rotary fixing screw, the side that a stay tube is movably arranged on the vehicle frame connection seat 7 of main body of vehicle frame by 18 attaching nuts simultaneously,
The position fixing with screens groove 9 by the dual-side position of slip transverse axis 12 fastens two-by-two, it is achieved fixation；Work as needs
During folding, pull button by manually coming manually to slide so that it is depart from screens toward rear and fix groove 9, allow the overall wheel assembly can be conventional
Superjacent air space makees rotary folding action, when rotating to the angle position fixed, under the effect of compression spring 15, makes slip horizontal
The axle 12 inner reset of stopper slot 8 the most up, plays the stationary state after folding.
Alternatively, it is also possible to use the stay tube that this utility model provides in four-wheeled hand truck as shown in Figure 5, Figure 6.No
Opinion is which kind of structure four-wheeled hand truck, when using this excurvation formula Rear wheel support pipe, all can increase and (widen) user step both sides
Activity space scope, and outward appearance entirety fashion is attractive in appearance, and facilitate that product vehicle shrinks when folding between parts is interlaced, joint
Save space；It addition, the S-shaped bent support pipe after Gai Jining, can be matched with making in various vehicle the position of Rear wheel support pipe flexibly, suitable
Wide by scope, using effect is good.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all at this
Any amendment, equivalent or the improvement etc. made within the spirit of utility model and principle, should be included in this utility model
Protection domain within.
Claims (6)
1. an excurvation formula Rear wheel support pipe, it is characterised in that this stay tube is by connecting portion (1), bending part (2) and installation portion
(3) composition, described connecting portion (1), bending part (2) and installation portion (3) are one-body molded, and bending part (2) is arranged on connecting portion (1)
And between installation portion (3), make bending part (2) carry out S-shaped bending along connecting portion (1) place axis to installation portion (3) place axis.
2. the wheel assembly containing described in claim 1 stay tube, it is characterised in that include main body of vehicle frame and set respectively
Put the front wheel (10) at main body of vehicle frame two ends and rear wheel；
Described main body of vehicle frame includes that vehicle frame connects seat (7), and vehicle frame connects seat (7) two ends and is provided with front wheel (10) and rear wheel；
Described vehicle frame connection seat (7) is provided with screens and fixes groove (9), stopper slot (8) and installing hole；
Described rear wheel includes a stay tube, the brake gear (19) being separately positioned on a stay tube and trailing wheel (4), described stay tube
Inside being provided with interior pipe box plug (16), said inner tube is overlapped plug (16), is propped up oval activity fluting (17) having correspondence on stay tube, described interior
Pipe box plug (16) is provided with compression spring (15), slide interior plug (14) and slip transverse axis (12), and in described slip, plug (14) is fixed
In compression spring (15), described slip transverse axis (12) two ends are provided with manually to slide pulls button (13), and described slip transverse axis (12) is led to
Cross transverse axis to fix screw (11) and be fastened in described slip on plug (14).
A kind of wheel assembly the most according to claim 2, it is characterised in that described main body of vehicle frame also includes height adjuster
(5) and vehicle frame vertical tube (6), described height adjuster (5) is connected with described vehicle frame vertical tube (6), and described vehicle frame vertical tube (6) is arranged on
Described vehicle frame connects on seat (7).
A kind of wheel assembly the most according to claim 2, it is characterised in that described screens is fixed groove (9) and is arranged on vehicle frame
Connecting the side of seat (7), described stopper slot (8) is arranged on vehicle frame and connects the top of seat (7), and described installing hole is arranged on stopper slot
(8) side.
A kind of wheel assembly the most according to claim 4, it is characterised in that the connecting portion (1) in described stay tube passes through
Rotary fixing screw nail (18) is arranged on vehicle frame and connects on seat (7), and described rotary fixing screw nail (18) is arranged in described installing hole,
The end of rotary fixing screw nail (18) is fastened by nut.
6. a four-wheeled hand truck, it is characterised in that be provided with excurvation formula trailing wheel described in claim 1 in this four-wheeled hand truck and prop up
Stay tube or be provided with wheel assembly described in any one of claim 2-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620514663.XU CN205661493U (en) | 2016-05-30 | 2016-05-30 | Excurvation formula rear wheel stay tube, rear wheel subassembly and four -wheeled hand truck thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620514663.XU CN205661493U (en) | 2016-05-30 | 2016-05-30 | Excurvation formula rear wheel stay tube, rear wheel subassembly and four -wheeled hand truck thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205661493U true CN205661493U (en) | 2016-10-26 |
Family
ID=57157957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620514663.XU Active CN205661493U (en) | 2016-05-30 | 2016-05-30 | Excurvation formula rear wheel stay tube, rear wheel subassembly and four -wheeled hand truck thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205661493U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021105269A1 (en) * | 2019-11-26 | 2021-06-03 | Wonderland Switzerland Ag | Tube adapted to support frame of child carriage, support frame, and child carriage |
| WO2021105134A1 (en) * | 2019-11-26 | 2021-06-03 | Wonderland Switzerland Ag | Tubular member for support frame of infant carrier, foldable support frame and infant carrier thereof |
-
2016
- 2016-05-30 CN CN201620514663.XU patent/CN205661493U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021105269A1 (en) * | 2019-11-26 | 2021-06-03 | Wonderland Switzerland Ag | Tube adapted to support frame of child carriage, support frame, and child carriage |
| WO2021105134A1 (en) * | 2019-11-26 | 2021-06-03 | Wonderland Switzerland Ag | Tubular member for support frame of infant carrier, foldable support frame and infant carrier thereof |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |