CN207640587U - One kind can the quick Collaping device of fore-aft fold wheelchair - Google Patents
One kind can the quick Collaping device of fore-aft fold wheelchair Download PDFInfo
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- CN207640587U CN207640587U CN201720579882.0U CN201720579882U CN207640587U CN 207640587 U CN207640587 U CN 207640587U CN 201720579882 U CN201720579882 U CN 201720579882U CN 207640587 U CN207640587 U CN 207640587U
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- connecting rod
- fixation kit
- quick
- head
- fore
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Abstract
It can the quick Collaping device of fore-aft fold wheelchair the utility model discloses one kind, including first connecting rod, second connecting rod, the tail portion of the first connecting rod and the head of the second connecting rod are hinged, and the first connecting rod, second connecting rod hinged place upper end are provided with fixation kit；The head of the fixation kit is inserted into inside the first connecting rod, and another part stretches out the second connecting rod side, and the head of the second connecting rod is provided with bending part；Apply a power vertical with plane where the first connecting rod, second connecting rod in the bending part of the second connecting rod, the first connecting rod is deviate from the head of the fixation kit, the first connecting rod, second connecting rod in hinged place receipts and.The utility model spring is fixed in first connecting rod with drawing pin cooperation or deviates from first connecting rod to realize using walking or folding, and it is easy to be quick, time saving and energy saving to return the vehicle to the garage and knock off, and production cost is relatively low, clever structure, and use is more comfortable, safer.
Description
Technical field
The utility model is related to wheelchair technical fields, and relating generally to one kind can the quick Collaping device of fore-aft fold wheelchair.
Background technology
Outside is had the left and right of driving wheel usually using the folding connecting rod of X shape by fully collapsible invalid's chair in the prior art
Two side frames be attached, keep two side frames of both sides close to each other so as to fold the folding connecting rod and then roll over
It is folded.It is fixed using card slot or bolt using when walking, after the part for being caught in card slot is lifted or is aligned manually again when needing to fold
Bolt is extracted out.Wheelchair returns the vehicle to the garage and knock off relatively slow in this way, time-consuming and laborious, and short and small weak user is folded painstakingly, inconvenient,
And the fabrication schedule of such fully collapsible invalid's chair is complicated, production cost is higher.
Utility model content
Returning the vehicle to the garage and knock off the technical problem to be solved by the utility model is to provide one kind, simplicity is quick, time saving and energy saving, and reduction produces
Cost, it is easy to maintenance can the quick Collaping device of fore-aft fold wheelchair.
Following technical solution may be used to realize in technical problem to be solved in the utility model：
One kind can the quick Collaping device of fore-aft fold wheelchair, which is characterized in that including be obliquely installed first connecting rod, second
Connecting rod, the tail portion of the first connecting rod and the head of the second connecting rod are hinged, in the first connecting rod, second connecting rod hinged place
Upper end is provided with a fixation kit that first connecting rod, second connecting rod movable end can be fixed；
The head of the fixation kit is inserted into inside the first connecting rod, described in another part stretching of the fixation kit
Second connecting rod side is fixedly installed a bending extended to the fixation kit caudal directions on the head of the second connecting rod
Portion；
It is vertical with plane where the first connecting rod, second connecting rod in the bending part application one of the second connecting rod
The first connecting rod is deviate from power, the head of the fixation kit, the first connecting rod, second connecting rod receive in hinged place and.
It is vertical in the first connecting rod opposite side in the second connecting rod in a preferred embodiment of the utility model
It is provided with the U-shaped fixing sleeve of a top through-hole,
The fixation kit include be mounted on the fixing sleeve in drawing pin, annular setting the fixing sleeve inner ring surface with
The drawing sells the extension spring between outer ring surface and is vertically set on drawing pin top in the fixing sleeve top end surface
A pair of of handle,
Outer ring surface is provided with a locking nut in the handle upper surface at the top of drawing pin.
In a preferred embodiment of the utility model, connect in described second in first connecting rod vertical direction front end
Bar opposite side is tiltedly installed with a guiding strip boss, and guiding strip boss front end forms notch；It sells in the drawing
After the first connecting rod, the guide ledges side on the first connecting rod is transitioned into the notch.
In a preferred embodiment of the utility model, the drawing pin head part outer ring surface is provided with an annular protrusion,
The annular protrusion outer wall blocks the fixing sleeve bottom interior wall, and the annular protrusion and fixation are placed between drawing pin outside
Form a sealing space；Drawing pin outer shroud surface helix is provided with the extension spring in the sealing space, it is described
Extension spring one end is fixed on the annular protrusion.
The utility model has the beneficial effects that：One kind can the quick Collaping device of fore-aft fold wheelchair, spring and drawing pin cooperation
It is fixed in first connecting rod or deviates from first connecting rod to realize using walking or folding, it is easy to be quick, time saving and energy saving to return the vehicle to the garage and knock off, production
Cost is relatively low, clever structure, and use is more comfortable, safer.
Description of the drawings
Fig. 1 be the utility model it is a kind of can the quick Collaping device of fore-aft fold wheelchair structural schematic diagram.
Fig. 2 is A-A sectional views in the utility model Fig. 1.
Specific implementation mode
In order to make the technical means, creative features, achievement of purpose, and effectiveness of the utility model be easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
Referring to Fig. 1 to Fig. 2, provided in figure be one kind can the quick Collaping device of fore-aft fold wheelchair, including be obliquely installed
First connecting rod 100, second connecting rod 200, the tail portion 110 of first connecting rod 100 and the head 210 of second connecting rod 200 are hinged, the
One connecting rod 100,200 hinged place of second connecting rod are provided with a fixed pin 310 and are attached, in first connecting rod 100, second connecting rod
200 hinged places upper end are provided with a fixation kit 400 that first connecting rod 100,200 movable end of second connecting rod can be fixed；
Fixation kit 400 fixes first connecting rod 100, second connecting rod 200 in the same plane, by drawing the fixation of pin, prevents from folding
Double leval jib excessively reversed dead point during macroseism.
The head 410 of fixation kit 400 is inserted into inside first connecting rod 100, and another part of fixation kit 400 stretches out second
200 side of connecting rod is fixedly installed one on the head of second connecting rod 200 210 and extends to 400 tail portion of fixation kit, 420 direction
Bending part 220；220 tail end of bending part is provided with one handle 221, at the handle 221 of the bending part 220 of second connecting rod 200
Apply a power vertical with first connecting rod 100,200 place plane of second connecting rod, the head 410 of fixation kit 400 deviates from the
One connecting rod 100, first connecting rod 100, second connecting rod 200 received at hinged fixed pin 310 and.
In second connecting rod 200 the U-shaped fixing sleeve 230 of a top through-hole is vertically installed in 100 opposite side of first connecting rod；Gu
Determine component 400 to include the drawing pin 430 being mounted in fixing sleeve 230, annular setting in 230 inner ring surface of fixing sleeve and draw outside pin 430
It extension spring 440 between anchor ring and is vertically set on and draws 430 tail portion of pin in a pair of of handle of 230 top end surface of fixing sleeve
450；450 upper surface of handle is provided with a locking nut 460 drawing 430 top outer ring surface of pin.
430 head of pin, 431 outer ring surface is being drawn to be provided with an annular protrusion 432,432 outer wall of annular protrusion blocks fixing sleeve
230 bottom interior walls, annular protrusion 432 and fixing sleeve 230 form a sealing space between drawing 430 outside of pin；In sealing space
Interior that drawing 430 outer shroud surface helix of pin is provided with extension spring 440,440 one end of extension spring is fixed on annular protrusion 432.
In 100 vertical direction front end of first connecting rod a guiding strip boss is tiltedly installed in 200 opposite side of second connecting rod
120, it is oriented to 120 front end of strip boss and forms notch；After drawing pin 430 to deviate from first connecting rod 100, on first connecting rod 100
120 side of guide ledges be transitioned into notch.
Extension spring 440 coordinates in the absence of external forces with pin 430 is drawn, and is fixed in first connecting rod 100 and realizes use
Walking；Where applying one and first connecting rod 100, second connecting rod 200 on the handle 221 in 200 bending part 220 of second connecting rod
The vertical power of plane draws pin 430 to deviate from first connecting rod 100 and entered in notch along strip boss 120 is oriented to, realizes first
Connecting rod 100, second connecting rod 200 are folded at hinged fixed pin 310, use the mode structure for drawing pin 430 to fix or deviate from
Ingenious, it is easy to be quick, time saving and energy saving to return the vehicle to the garage and knock off, and production cost is relatively low, can give user more comfortable, safer using effect.
Basic principles, main features, and advantages of the present invention has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Only illustrate the principles of the present invention, the utility model can also on the premise of not departing from the spirit and scope of the utility model
There are various changes and modifications, these various changes and improvements fall within the scope of the claimed invention.The utility model is wanted
Protection domain is asked to be defined by appended claims and coordinate.
Claims (4)
1. one kind can the quick Collaping device of fore-aft fold wheelchair, which is characterized in that including be obliquely installed first connecting rod, second connect
Bar, the tail portion of the first connecting rod and the head of the second connecting rod are hinged, on the first connecting rod, second connecting rod hinged place
End is provided with a fixation kit that first connecting rod, second connecting rod movable end can be fixed；
The head of the fixation kit is inserted into inside the first connecting rod, and another part of the fixation kit stretches out described second
Connecting rod side is fixedly installed a bending part extended to the fixation kit caudal directions on the head of the second connecting rod；
Apply a power vertical with plane where the first connecting rod, second connecting rod, institute in the bending part of the second connecting rod
The first connecting rod is deviate from the head for stating fixation kit, the first connecting rod, second connecting rod receive in hinged place and.
2. one kind as described in claim 1 can the quick Collaping device of fore-aft fold wheelchair, which is characterized in that connect described second
Bar is vertically installed with the U-shaped fixing sleeve of a top through-hole in the first connecting rod opposite side,
The fixation kit include be mounted on the fixing sleeve in drawing pin, annular setting the fixing sleeve inner ring surface with it is described
It draws the extension spring between pin outer ring surface and is vertically set on drawing pin top in a pair of the fixing sleeve top end surface
Handle,
Outer ring surface is provided with a locking nut in the handle upper surface at the top of drawing pin.
3. one kind as claimed in claim 2 can the quick Collaping device of fore-aft fold wheelchair, which is characterized in that connect described first
Bar vertical direction front end is tiltedly installed with a guiding strip boss in the second connecting rod opposite side, before the guiding strip boss
End forms notch；After drawing pin deviates from the first connecting rod, the guide ledges side on the first connecting rod
It is transitioned into the notch.
4. one kind as claimed in claim 3 can the quick Collaping device of fore-aft fold wheelchair, which is characterized in that in the drawing plunger
Portion's outer ring surface is provided with an annular protrusion, and the annular protrusion outer wall blocks the fixing sleeve bottom interior wall, the annular protrusion
A sealing space is formed with fixed be placed between drawing pin outside；In the sealing space outer ring surface spiral shell is sold around the drawing
Rotation is provided with the extension spring, and described extension spring one end is fixed on the annular protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720579882.0U CN207640587U (en) | 2017-05-23 | 2017-05-23 | One kind can the quick Collaping device of fore-aft fold wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720579882.0U CN207640587U (en) | 2017-05-23 | 2017-05-23 | One kind can the quick Collaping device of fore-aft fold wheelchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207640587U true CN207640587U (en) | 2018-07-24 |
Family
ID=62885265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720579882.0U Active CN207640587U (en) | 2017-05-23 | 2017-05-23 | One kind can the quick Collaping device of fore-aft fold wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207640587U (en) |
-
2017
- 2017-05-23 CN CN201720579882.0U patent/CN207640587U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |