CN208851940U - A kind of portable double drawing association step chairs - Google Patents
A kind of portable double drawing association step chairs Download PDFInfo
- Publication number
- CN208851940U CN208851940U CN201820182437.5U CN201820182437U CN208851940U CN 208851940 U CN208851940 U CN 208851940U CN 201820182437 U CN201820182437 U CN 201820182437U CN 208851940 U CN208851940 U CN 208851940U
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- supporting leg
- fixation hole
- portable double
- intermediate support
- handle
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Abstract
The utility model discloses a kind of portable double draw to assist step chair, including the first supporting leg, the second supporting leg and intermediate support, intermediate support includes intermediate transverse girder and the first sleeve and the second casing for being respectively arranged on intermediate transverse girder both ends, first sleeve is socketed the first supporting leg, second casing is socketed the second supporting leg, and the first supporting leg and the second supporting leg are rotatable both with respect to intermediate support；Positioning device is equipped on first supporting leg and the second supporting leg, positioning device includes handle and bullet branch, and first sleeve and the second casing are equipped with fixation hole, and one end of bullet branch is connect with handle, and the other end of bullet branch passes through fixation hole.The utility model it is portable it is double draw association's step chairs to facilitate to be folded and unfolded, it is easy to operate, be not take up excessive space.
Description
Technical field
The utility model relates to assist step chair technical field, more particularly to a kind of portable double draw to assist step chair.
Background technique
Currently, Aged in China population quantity also increasingly increases as Chinese population age composition tends to astogeny.The elderly
It is not nimble and other reasons for the decline of itself constitution, trick, various difficulties, maximum are often encountered in life
One of difficulty be it is handicapped, adult association step chair is modern the elderly or other people with mobility problems provide it is a kind of fine
Auxiliary action tool.But there is also many places that do not comply with one's wishes for existing adult association's step chair, wherein assists step chair including adult
It can not fold, the problems such as occupied space is larger.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of portable double draw to assist step chair,
To solve not folding present in existing association step chair, the problems such as occupied space is larger.
The purpose of this utility model adopts the following technical scheme that realization:
A kind of portable double drawing association step chairs, including the first supporting leg, the second supporting leg and intermediate support, the intermediate support
Including intermediate transverse girder and the first sleeve and the second casing that are respectively arranged on intermediate transverse girder both ends, the first sleeve is socketed first
Support leg, second casing are socketed the second supporting leg, and first supporting leg and the second supporting leg can both with respect to intermediate support
Rotation；
Positioning device is equipped on first supporting leg and the second supporting leg, the positioning device includes handle and bullet
Branch, the first sleeve and the second casing are equipped with fixation hole, and one end of the bullet branch is connect with handle, and the bullet props up another
End is across fixation hole；
When regulation handle, bullet branch exits fixation hole, and the first supporting leg and the second supporting leg can both with respect to intermediate support
Rotation；When bullet branch is inserted into fixation hole, the first supporting leg and the second supporting leg are fixed both with respect to intermediate support.
Further, it is equipped with annular baffle above the first sleeve and the second casing, the fixation hole is set to institute
It states in annular baffle；
When first supporting leg and the second supporting leg are fully deployed relative to intermediate support, the bullet branch is in fixation
Above hole.
Further, the positioning device further includes firm banking, the firm banking be fixedly attached the first supporting leg and
Second supporting leg, and firm banking is in above annular baffle, the handle is socketed the first supporting leg and the second supporting leg, and institute
It states one end far from bullet branch on handle and is equipped with fulcrum, be correspondingly provided with the fulcrum recesses for accommodating the fulcrum on the firm banking.
Further, the fulcrum is spherical shape fulcrum.
Further, the bullet branch includes vertical bolt and the spring for winding vertical bolt, and the vertical bolt is through solid
Determine pedestal, the spring is set in firm banking and firm banking is withstood in one end of spring.
Further, the firm banking is equipped with spacing block set, is correspondingly provided with limit sliding chutes in the annular baffle；
When the spacing block set slides into one end of limit sliding chutes, first supporting leg and the second supporting leg are in folding
Overlapping state；When the spacing block set slides into the other end of limit sliding chutes, bullet branch face fixation hole is simultaneously inserted into fixation hole,
First supporting leg and the second supporting leg are in fully unfolded position.
Further, the limit sliding chutes are that the fan-shaped lack part in annular baffle is formed.
Further, portable double drawing association step chairs further include the detachable supporting leg for socket, described detachable
Hoodle is equipped in supporting leg, and hoodle passes through detachable supporting leg and stretches out, the lower end of first supporting leg and the second support
The lower end of leg is equipped with card hole corresponding with hoodle.
Further, portable double drawing association step chairs further include connecting band, and one end of the connecting band is propped up with detachable
The inside of support leg connects, and the other end of the connecting band is connect with the lower end of the lower end of the first supporting leg and the second supporting leg.
Further, first supporting leg and the second supporting leg are U-shaped supporting leg, the opening of the U-shaped supporting leg
Downward.
Compared with prior art, the utility model has the beneficial effects that:
Portable double draw of the utility model assists step chair to include the first supporting leg, the second supporting leg and intermediate support, centre branch
Frame is socketed on the first supporting leg by first sleeve, realizes that the first supporting leg is rotatable relative to intermediate support；Similarly, intermediate
Bracket is socketed on the second supporting leg by the second casing, realizes that the second supporting leg is rotatable both with respect to intermediate support.It adjusts
Handle is for adjusting the first supporting leg and the second supporting leg both with respect to the state of intermediate support, when regulation handle, handle grip
Branch of moving exits fixation hole, at this point, opposite between first sleeve and the second casing and the first supporting leg and the second supporting leg can revolve
Turn；When bullet branch is inserted into fixation hole, first sleeve and the second casing are fixed relative to handle, i.e. the first supporting leg and the second support
Leg is fixed both with respect to intermediate support.Portable double draw of the utility model assists step chair being capable of conveniently regulating and controlling association step by regulation handle
The folding and unfolded state of chair, carry out folding and unfolding according to the demand of user association's step chair at any time, easy to operate, be not take up
More spaces.
Detailed description of the invention
Fig. 1 is the portable double structural schematic diagrams for drawing association's step chair of the utility model；
Fig. 2 is the structural schematic diagram of intermediate support shown in Fig. 1；
Fig. 3 is portable double partial structural diagrams for drawing association's step chair shown in Fig. 1；
Fig. 4 is the exploded view of positioning device and first sleeve shown in Fig. 1；
Fig. 5 is portable double sectional views for drawing association's step chair shown in Fig. 3；
Fig. 6 is the partial enlarged view of positioning device shown in Fig. 5.
In figure: 10, the first supporting leg；20, the second supporting leg；30, intermediate support；31, first sleeve；310, annular gear
Piece；311, fixation hole；312, limit sliding chutes；32, the second casing；33, intermediate transverse girder；34, it buckles；40, positioning device；41,
Hand；411, fulcrum；42, bullet branch；421, vertical bolt；422, spring；43, firm banking；431, spacing block set；50, detachable
Supporting leg；51, hoodle；52, connecting band.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the utility model, it should be noted that
Under the premise of not colliding, it can be formed in any combination between various embodiments described below or between each technical characteristic new
Embodiment.
Fig. 1 is that a kind of portable double draw of the utility model assists step chair.As shown in figures 1 to 6, which assists step chair packet
Include the first supporting leg 10, the second supporting leg 20 and intermediate support 30.Intermediate support 30 include intermediate transverse girder 33 and respectively with centre
The first sleeve 31 and the second casing 32 of 33 left and right ends of crossbeam connection.First sleeve 31 is socketed the first supporting leg 10, at this point, the
Sleeve 31 (i.e. intermediate support 30) can be rotated relative to the first supporting leg 10.Second casing 32 is socketed the second supporting leg 20, together
Reason, the second casing 32 (i.e. intermediate support 30) are rotatable relative to the second supporting leg 20.First supporting leg 10 and the second supporting leg
It is equipped with positioning device 40 on 20, first supporting leg 10 and the second supporting leg 20 can be locked by the positioning device 40, from
And the first supporting leg 10 and the second supporting leg 20 are adjusted relative to intermediate support 30 rotatable (i.e. folding process) or is fixed (i.e.
Unfolded state).The positioning device 40 includes handle 41 and bullet branch 42, and handle 41 is socketed on first of 31 top of first sleeve
In support leg 10 and the second supporting leg 20, first sleeve 31 and the second casing 32 are equipped with fixation hole 311, the upper end of bullet branch 42 with
Handle 41 connects, and the lower end of bullet branch 42 passes through fixation hole 311.As a result, when the lower end of bullet branch 42 passes through fixation hole 311, bullet branch
42 lock 31/ second casing 32 of first sleeve and 10/ second supporting leg 20 of the first supporting leg, the first supporting leg 10 and second
Support leg 20 is fixed both with respect to intermediate support 30.When being lifted up handle 41,41 band of handle branch of moving 42 moves up and makes
It obtaining bullet branch 42 and exits fixation hole 311, the first supporting leg 10 and the second supporting leg 20 are rotatable both with respect to intermediate support 30, this
When, it can be by the first supporting leg 10 and 30 side of the bracket rotation towards the middle of the second supporting leg 20, so that portable double draw be assisted
Step chair is folded up, convenient for collecting, occupy little space.In the present embodiment, handle 41 is socketed the first supporting leg 10 and second
Support leg 20, handle 41 and the first supporting leg 10 and the second supporting leg 20 can not relative rotation, but living up and down a little can be made
Dynamic, thus band branch 42 of moving moves up and down.
As preferred embodiment, the top of first sleeve 31 and the second casing 32 is equipped with annular baffle 310, Gu
Hole 311 is determined in annular baffle 310.In use, when the first supporting leg 10 and the second supporting leg 20 are relative to intermediate support 30
When being fully deployed, bullet branch 42 is placed exactly in the top of fixation hole 311, at this point, bullet branch 42 is inserted by the elastic force or gravity of itself
Enter into fixation hole 311, thus by handle 41 (correspond to the first supporting leg 10 and the second supporting leg 20) and first sleeve 31 and
Second casing 32 (corresponding to intermediate support 30) is fixed, which assists step chair to be in fully unfolded position, is conveniently made
User uses.When need to fold this it is portable it is double draw association's step chair when, firmly pull handle 41, band branch 42 of moving makes it exit fixation hole
311, bullet branch 42 can not lock 10/ second supporting leg 20 of the first supporting leg and 31/ second casing 32 of first sleeve as a result, the
One supporting leg 10 and the second supporting leg 20 can rotate to folded state relative to intermediate support 30.
As preferred embodiment, as seen in figs. 5-6, positioning device 40 further includes firm banking 43, firm banking 43
It is socketed the first supporting leg 10 and the second supporting leg 20, is led between firm banking 43 and the first supporting leg 10 and the second supporting leg 20
It crosses bolt to be fixedly connected, firm banking 43 is fixedly sheathed on the first supporting leg 10 and the second supporting leg 20 as a result, and fixed bottom
Seat 43 is in the top of annular baffle 310.Handle 41 is socketed the first supporting leg 10 and the second supporting leg 20, and remote on handle 41
One end from bullet branch 42 is equipped with fulcrum 411, and the fulcrum recesses for accommodating the fulcrum 411 are correspondingly provided on firm banking 43.It borrows as a result,
When helping the principle of laborsaving lever and being lifted up handle 41, under the supporting role of fulcrum 411 (laborsaving lever), handle 41 is by bullet
Branch 42 easily proposes and bullet branch 42 is made to exit fixation hole 311.
As preferred embodiment, fulcrum 411 is spherical shape fulcrum, and correspondingly, fulcrum recesses are spherical shape.Due to circle
Spherical fulcrum can rotate in spherical shape groove, and spherical shape fulcrum facilitates handle 41 to be lifted up certain angle, thus convenient
Adjust portable double states for drawing association's step chair.
As preferred embodiment, bullet branch 42 includes vertical spring bolt 421 and be wound on vertical bolt 421
422, vertical bolt 421 runs through firm banking 43 from bottom to up, and the upper end of vertical bolt 421 is stuck in firm banking 43 by nut
Top so that vertical bolt 421 can only be moved up and can not be moved downwards.The lower end of vertical bolt 421 is pierced by fixation
The lower section of pedestal 43, the lower end of spring 422 are wound on vertical bolt 421, and the interior of firm banking 43 is withstood in the upper end of spring 422
Wall.As a result, when being lifted up handle 41, vertical bolt 421 is moved up, and spring 422 is compressed；When unclamping handle 41,
Vertical bolt 421 is released downwards firm banking 43 by spring 422, at this point, if 421 lower section face fixation hole of vertical bolt
311, then vertical bolt 421 is inserted into fixation hole 311.
As preferred embodiment, the lower section of firm banking 43 is equipped with spacing block set 431 (for example, it may be cylindric
Protrusion), limit sliding chutes 312 (for example, it may be fan-shaped ditch) is correspondingly provided in annular baffle 310.When spacing block set 431 slides
When to one end of limit sliding chutes 312, the first supporting leg 10 and the second supporting leg 20 are in folded state.When spacing block set 431 is sliding
When moving the other end of limit sliding chutes 312, bullet props up 42 face fixation holes 311 and is inserted into fixation hole 311, the first supporting leg
10 and second supporting leg 20 be in fully unfolded position, spacing block set 431 is limited by limit sliding chutes 312 and can not be continued at this time
Sliding, it is ensured that the first supporting leg 10 and 20 rotational angle of the second supporting leg are excessive or even turn up, and avoid association's step chair expansion function
It can fail, reduce more greatly using security risk.In specific embodiment, limit sliding chutes 312 are in annular baffle 310
Fan-shaped lack part is formed.Due to there is fan-shaped lack part, fan-shaped lack part constitutes the sector of spacing block set 431
Slideway, the two sides of fan-shaped lack part correspond respectively to portable double folded states and unfolded state for drawing association's step chair.
As preferred embodiment, portable double drawing association step chairs further include for being socketed the first supporting leg 10 and second
The detachable supporting leg 50 of support leg 20, detachable supporting leg 50 is interior to be equipped with hoodle 51, and hoodle 51 passes through detachable supporting leg 50
And stretch out, the lower end of the lower end of the first supporting leg 10 and the second supporting leg 20 is equipped with card hole corresponding with hoodle 51.In this reality
Apply in example, the outer diameter of the upper end of detachable supporting leg 50 less than the first supporting leg 10 and the internal diameter of the second supporting leg 20, in use,
The upper end of detachable supporting leg 50 is injected in the first supporting leg 10 and the second supporting leg 20, across the bullet of detachable supporting leg 50
Pearl 51 is inserted into card hole, thus connects the first supporting leg 10 and the second supporting leg 20 with detachable supporting leg 50.When not
When using portable double drawing association step chairs, hoodle 51 can be squeezed thus by detachable supporting leg 50 under the first supporting leg 10
End and the lower end of the second supporting leg 20 are extracted, and realize disassembly, easy to assembly, the function of occupying little space.
As preferred embodiment, it is portable it is double to draw association's step chairs further include connecting band 52, the lower end of connecting band 52 with can
Dismantle the inside connection of supporting leg 50, the upper end of connecting band 52 and the lower end of the first supporting leg 10 and the lower end of the second supporting leg 20
Connection.The detachable supporting leg 50 of disassembly status will not be separated with the first supporting leg 10 and the second supporting leg 20 completely as a result, side
Just the first supporting leg 10 and the second supporting leg 20 are stored together with detachable supporting leg 50.
As preferred embodiment, it is additionally provided with buckle 34 on first sleeve 31 and the second casing 32, it is removable after disassembly
It unloads supporting leg 50 to be reversely inserted into buckle 34 after 180 ° fold, similarly on the first supporting leg 10 and the second supporting leg 20
It also is provided with buckle 34, the detachable supporting leg 50 after disassembly can also be reversely inserted into buckle 34 after 180 ° fold, convenient
Detachable supporting leg 50 is stored, and after detachable 50 refolding the first supporting leg 10 of supporting leg of reflexed and the second supporting leg 20, it is whole
The step chair storage of platform association is smaller.
As preferred embodiment, the first supporting leg 10 and the second supporting leg 20 are U-shaped supporting leg, U-shaped supporting leg
It is opening down.U-shaped supporting leg tool has better stability, preferably user can be assisted to Forward there are two giving directions
It moves or stops to help and lean on.
Above embodiment is only preferred embodiments of the present invention, cannot be protected with this to limit the utility model
Range, the variation of any unsubstantiality that those skilled in the art is done on the basis of the utility model and replacement belong to
In the utility model range claimed.
Claims (10)
1. a kind of portable double draw assists step chair, which is characterized in that including the first supporting leg, the second supporting leg and intermediate support, institute
Stating intermediate support includes intermediate transverse girder and the first sleeve and the second casing for being respectively arranged on intermediate transverse girder both ends, the first sleeve
Be socketed the first supporting leg, second casing be socketed the second supporting leg, first supporting leg and the second supporting leg both with respect to
Intermediate support is rotatable；
Positioning device is equipped on first supporting leg and the second supporting leg, the positioning device includes handle and bullet branch, institute
It states first sleeve and the second casing is equipped with fixation hole, one end of the bullet branch is connect with handle, and the other end of the bullet branch is worn
Cross fixation hole；
When regulation handle, bullet branch exits fixation hole, and the first supporting leg and the second supporting leg are rotatable both with respect to intermediate support；
When bullet branch is inserted into fixation hole, the first supporting leg and the second supporting leg are fixed both with respect to intermediate support.
Portable double draw association's step chairs 2. as described in claim 1, which is characterized in that the first sleeve and the second casing it is upper
Side is equipped with annular baffle, and the fixation hole is set in the annular baffle；
When first supporting leg and the second supporting leg are fully deployed relative to intermediate support, the bullet branch is on fixation hole
Side.
3. portable double draw as claimed in claim 2 assists step chair, which is characterized in that the positioning device further includes fixed bottom
Seat, the firm banking is fixedly attached the first supporting leg and the second supporting leg, and firm banking is in above annular baffle, described
Handle is socketed the first supporting leg and the second supporting leg, and one end far from bullet branch on the handle is equipped with fulcrum, the fixed bottom
The fulcrum recesses for accommodating the fulcrum are correspondingly provided on seat.
4. portable double draw as claimed in claim 3 assists step chair, which is characterized in that the fulcrum is spherical shape fulcrum.
5. portable double draw as claimed in claim 3 assists step chair, which is characterized in that the bullet branch includes vertical bolt and winding
The spring of vertical bolt, the vertical bolt run through firm banking, and the spring is set in firm banking and one end of spring top
Firmly firm banking.
6. portable double draw as claimed in claim 3 assists step chair, which is characterized in that the firm banking is equipped with limit convex
Block is correspondingly provided with limit sliding chutes in the annular baffle；
When the spacing block set slides into one end of limit sliding chutes, first supporting leg and the second supporting leg are in rugosity
State；When the spacing block set slides into the other end of limit sliding chutes, bullet branch face fixation hole is simultaneously inserted into fixation hole, described
First supporting leg and the second supporting leg are in fully unfolded position.
7. portable double draw as claimed in claim 6 assists step chair, which is characterized in that the limit sliding chutes are in annular baffle
Fan-shaped lack part is formed.
8. portable pair as claimed in claim 3 is drawn and assists step chairs, which is characterized in that portable double drawing associations walk chairs and further include
For the detachable supporting leg of socket, hoodle is equipped in the detachable supporting leg, and hoodle passes through detachable supporting leg and stretches
Out, the lower end of first supporting leg and the lower end of the second supporting leg are equipped with card hole corresponding with hoodle.
9. portable pair as claimed in claim 8 is drawn and assists step chairs, which is characterized in that portable double drawing associations walk chairs and further include
Connecting band, one end of the connecting band are connect with the inside of detachable supporting leg, the other end of the connecting band and the first support
The lower end of leg and the connection of the lower end of the second supporting leg.
10. portable double draw as claimed in claim 3 assists step chair, which is characterized in that first supporting leg and the second support
Leg is U-shaped supporting leg, the U-shaped supporting leg it is opening down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820182437.5U CN208851940U (en) | 2018-01-31 | 2018-01-31 | A kind of portable double drawing association step chairs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820182437.5U CN208851940U (en) | 2018-01-31 | 2018-01-31 | A kind of portable double drawing association step chairs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208851940U true CN208851940U (en) | 2019-05-14 |
Family
ID=66410172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820182437.5U Active CN208851940U (en) | 2018-01-31 | 2018-01-31 | A kind of portable double drawing association step chairs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208851940U (en) |
-
2018
- 2018-01-31 CN CN201820182437.5U patent/CN208851940U/en active Active
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 528414 Guangdong Province, Zhongshan City Dongsheng Town, Siu Yick Road No. 98 Patentee after: Zhongshan Fuyou rehabilitation equipment Co.,Ltd. Address before: 528414 Guangdong Province, Zhongshan City Dongsheng Town, Siu Yick Road No. 98 Patentee before: ZHONGSHAN FUYOU MEDICAL EQUIPMENT Co.,Ltd. |