CN208676709U - Its accompanying chair of support foot and application in a kind of accompanying chair - Google Patents
Its accompanying chair of support foot and application in a kind of accompanying chair Download PDFInfo
- Publication number
- CN208676709U CN208676709U CN201721847535.8U CN201721847535U CN208676709U CN 208676709 U CN208676709 U CN 208676709U CN 201721847535 U CN201721847535 U CN 201721847535U CN 208676709 U CN208676709 U CN 208676709U
- Authority
- CN
- China
- Prior art keywords
- back frame
- longitudinal direction
- rod
- vertical pole
- supporting element
- 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
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- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The utility model relates to a kind of accompanying chair in support foot, it is characterised in that it include the first supporting element, the second supporting element, threeway square tube, telescopic rod and three-way piece；First supporting element includes the first vertical pole and the first front rod and the first rear connecting rod that connect up in the first vertical pole rear and front end, second supporting element includes the second vertical pole and the second front rod and the second rear connecting rod that connect up in the second vertical pole rear and front end, on the outside of the rear and front end of first vertical pole with it is hinged respectively at the rear side of the second front rod lower section and the front side of the second rear connecting rod lower section, threeway square tube includes vertical connecting tube downward in the middle part of longitudinal square tube and longitudinal square tube, longitudinal square tube is arranged in the perforation of third longitudinal direction, a upward telescopic rod is hinged in the middle part of first vertical pole, the upper end of telescopic rod connects vertical connecting tube.Its accompanying chair of support foot and application has reliable and stable, the advantages of structure is simple, long service life in a kind of accompanying chair of the utility model.
Description
Technical field
The utility model relates to support foot in a kind of accompanying chair and using its accompanying chair.
Background technique
Currently, being generally provided with accompanying chair in ward.In order to facilitate entourage's use, common accompanying chair has mostly
Folder function.Usually, entourage can be sitting on accompanying chair；When needing to lie down rest, bed is launched by folded portion
It lies down for entourage, realizes dual-use material.Referring to Fig. 1, the middle support foot of conventional accompanying chair and the connection of back frame and rear back frame
Wirerope or chain is usually used, mode is that wirerope or chain are fixed in back frame and rear back frame, this structure support
Foot can be tilted because of the natural drawing of the cause and long-time service different in size on both sides toward one side, and long-time service is got off, wirerope
With the easy fracture of chain and fall off.In addition the design of this structure can also consolidating because of back frame and rear back frame and wirerope or chain
It is fixed, cause the stiffener of bearing to cannot withstand the appearance for the problems such as pulling force causes desoldering to be broken.
By finding that conventional support leg structure is easy to appear following several big problems in market survey after-sale service:
1, because quality problems are broken after wirerope is used for a long time.
2, it falls off caused by the reinforcing of wirerope both ends is not in place.
3, back frame and back circle frame cannot withstand the fracture of unidirectional pulling force solder joint after being used for a long time.
4, the problems such as being swayed forwards and backwards built on the sand in use process.
Therefore seek a kind of reliable and stable, structure is simple, in a kind of accompanying chair with long service life support foot and application its
Accompanying chair is particularly important.
Summary of the invention
Purpose of the utility model is to overcome the above-mentioned shortcomings and provide a kind of reliable and stable, structure is simple, long service life
A kind of accompanying chair in support foot and application its accompanying chair.
Purpose of the utility model is realized as follows:
Support foot in a kind of accompanying chair, it is characterised in that it includes the first supporting element, the second supporting element, threeway square tube, flexible
Bar and three-way piece；
First supporting element generally Contraband character form structure, the first supporting element is including the first vertical pole and two before and after the first vertical pole
The first front rod and the first rear connecting rod connected up is held,
Second supporting element generally Contraband character form structure, the second supporting element is including the second vertical pole and two before and after the second vertical pole
The second front rod and the second rear connecting rod connected up is held, section is formed wherein for the second front rod and the second rear connecting rod
Curved dog-ear,
Connect on the outside of the rear and front end of first vertical pole with after the rear side and second of the second front rod lower section
The front side of extension bar lower section is hinged,
Threeway square tube includes vertical connecting tube downward in the middle part of longitudinal square tube and longitudinal square tube, and longitudinal square tube is arranged in the
In three longitudinal perforation, a upward telescopic rod is hinged in the middle part of the first vertical pole, the upper end of telescopic rod connects vertical connecting tube,
The three-way piece includes the first longitudinal direction perforation and second longitudinal direction perforation of the longitudinal direction of left and right two of parallel arrangement, described
Three-way piece further includes that the third positioned at first longitudinal direction perforation and second longitudinal direction perforation lower section is longitudinally perforated.
As a preference, first longitudinal direction perforation and second longitudinal direction perforation are circular perforations, longitudinally perforation is rectangular to third
Perforation.
As a preference, telescopic rod selects gas spring.
A kind of accompanying chair, it includes above-mentioned middle support foot, and additionally include successively includes the seat being hinged from left to right
Frame, back frame and rear back frame, the bottom of the seat frame are provided with front support, middle support foot are connected between back frame and rear back frame, after
The bottom of back frame is provided with rear support, has set up handrail at the top of rear support；
The bottom of the front support is provided with front-wheel, and the bottom of rear support is provided with rear-wheel；
It is attached between the back frame, rear back frame and middle support foot by two groups of three-way pieces, has one on rear side of the back frame
Root back frame connecting tube, back frame connecting tube after having one on front side of back frame after described, it is vertical that the back frame connecting tube of back frame is arranged in first
Into perforation, the rear back frame connecting tube of rear back frame is arranged in second longitudinal direction perforation；
Wherein the first front rod and the first rear connecting rod pass through after first locating plate connects respectively after back frame
The leading portion and back segment of back frame connecting tube；
Wherein the second front rod and the second rear connecting rod pass through the back frame of the second locating plate connection back frame respectively
The leading portion and back segment of connecting tube.
Compared with prior art, the utility model has the beneficial effects that
The utility model, which selects the benefit of gas spring, can not to be made in any one position in open operating status
With stopping in the case where external force, install additional this telescopic rod can be kept when chair is opened into the state of bed in support foot is quiet smoothly connects
Tread surface.Tradition is because of not support foot instantaneous touch ground meeting in the upwards thrust of telescopic rod in the state that chair is opened into bed
Very big sound of movement is issued, loud noise is issued, patient and family members can be frightened.Middle support foot because be directly by locating plate and
The integraty that back frame connects after back frame is more preferable, and it is more firm to be directly connected to make on the main frame with chair.Therefore the utility model
Its accompanying chair of support foot and application has the advantages of reliable and stable, structure is simple, long service life in a kind of accompanying chair.
Detailed description of the invention
Fig. 1 is the unfolded state schematic diagram of the utility model accompanying chair.
Fig. 2 is the schematic diagram in the variation of the unfolded state and collapsed state of the utility model accompanying chair.
Fig. 3 is the collapsed state schematic diagram of the utility model accompanying chair.
Fig. 4 is the cooperation schematic diagram of back frame in Fig. 1, middle support foot and rear back frame.
The cooperation schematic diagram of Fig. 5 threeway square tube and telescopic rod.
Wherein:
Seat frame 1
Back frame 2, back frame connecting tube 2.1
Back frame 3, rear back frame connecting tube 3.1 afterwards
Front support 4, front-wheel 4.1
Middle support foot 5, the first vertical pole 5.1, the first front rod 5.2, the first rear connecting rod 5.3, the second vertical pole 5.4, second
Front rod 5.5, the second rear connecting rod 5.6
Rear support 6, rear-wheel 6.1
Handrail 7
Threeway square tube 8, longitudinal square tube 8.1, vertical connecting tube 8.2
Telescopic rod 9
Three-way piece 10
First locating plate 11
Second locating plate 12.
Specific embodiment
Referring to Fig. 1-Fig. 5, the utility model relates to a kind of accompanying chair, it include from left to right successively include being hinged
Seat frame 1, back frame 2 and rear back frame 3, the bottom of the seat frame 1 is provided with front support 4, connects between back frame 2 and rear back frame 3
There is middle support foot 5, the bottom of rear back frame 3 is provided with rear support 6, and the top of rear support 6 has set up handrail 7；
The bottom of the front support 4 is provided with front-wheel 4.1, and the bottom of rear support 6 is provided with rear-wheel 6.1；
It is attached between the back frame 2, rear back frame 3 and middle support foot 5 by two groups of three-way pieces 10, after the back frame 2
Back frame connecting tube 3.1 after side has a back frame connecting tube 2.1, the front side of the rear back frame 3 to have one, the three-way piece 10 include
The first longitudinal direction perforation and second longitudinal direction perforation of the longitudinal direction of left and right two of parallel arrangement, the three-way piece 10 further includes being located at first
The third of longitudinal perforation and second longitudinal direction perforation lower section is longitudinally perforated, and wherein first longitudinal direction perforation and second longitudinal direction perforation are circle
Perforation, longitudinally perforation is rectangular perforation to third；The back frame connecting tube 2.1 of back frame 2 is arranged in first longitudinal direction perforation, rear back frame 3
Rear back frame connecting tube 3.1 be arranged in second longitudinal direction perforation in；
The middle support foot 5 includes the first supporting element, the second supporting element, threeway square tube 8 and telescopic rod 9；
First supporting element generally Contraband character form structure, the first supporting element is including the first vertical pole 5.1 and in the first vertical pole 5.1
The first front rod 5.2 and the first rear connecting rod 5.3 that rear and front end connects up, wherein the first front rod 5.2 and
One rear connecting rod 5.3 is respectively through the leading portion of the rear back frame connecting tube 3.1 of back frame 3 after the first locating plate 11 connection with after
Section；
Second supporting element generally Contraband character form structure, the second supporting element is including the second vertical pole 5.4 and in the second vertical pole 5.4
The second front rod 5.5 and the second rear connecting rod 5.6 that rear and front end connects up connect after the second front rod 5.5 and second
Section forms curved dog-ear to extension bar 5.6 wherein, wherein the second front rod 5.5 and the second rear connecting rod 5.6 pass through respectively
The leading portion and back segment of the back frame connecting tube 2.1 of one the second locating plate 12 connection back frame 2；
On the outside of the rear and front end of first vertical pole 5.1 and respectively at the rear side of 5.5 lower section of the second front rod and the
The front side of two rear connecting rods, 5.6 lower section is hinged,
Threeway square tube 8 includes the vertical connecting tube 8.2 of longitudinal square tube 8.1 and 8.1 middle part of longitudinal square tube downwards, longitudinal
Square tube 8.1 is arranged in the perforation of third longitudinal direction, and the middle part of the first vertical pole 5.1 is hinged with a upward telescopic rod 9, telescopic rod 9
Upper end connect vertical connecting tube 8.2.Telescopic rod is preferably gas spring.
Middle support foot connects three-way piece and threeway square tube, and playing the role of a positioning prevents the three of use process
It disorderly shakes the left and right of parts.
The above is only the specific application examples of the utility model, do not constitute any limit to the protection scope of the utility model
System.Any technical scheme formed by adopting equivalent transformation or equivalent replacement, all fall within the utility model rights protection scope it
It is interior.
Claims (4)
1. support foot in a kind of accompanying chair, it is characterised in that it includes the first supporting element, the second supporting element, threeway square tube (8), stretches
Bar and three-way piece (10)；
First supporting element generally Contraband character form structure, the first supporting element is including the first vertical pole (5.1) and in the first vertical pole (5.1)
The first front rod (5.2) and the first rear connecting rod (5.3) that rear and front end connects up,
Second supporting element generally Contraband character form structure, the second supporting element is including the second vertical pole (5.4) and in the second vertical pole (5.4)
The second front rod (5.5) and the second rear connecting rod (5.6) that rear and front end connects up, the second front rod (5.5) and
Section forms curved dog-ear to two rear connecting rods (5.6) wherein,
On the outside of the rear and front end of first vertical pole (5.1) and respectively at the rear side of the second front rod (5.5) lower section and the
The front side of two rear connecting rods (5.6) lower section is hinged,
Threeway square tube (8) includes vertical connecting tube (8.2) downward in the middle part of longitudinal square tube (8.1) and longitudinal square tube (8.1), is indulged
It is arranged in the perforation of third longitudinal direction to square tube (8.1), a upward telescopic rod is hinged in the middle part of the first vertical pole (5.1), is stretched
The upper end of contracting bar connects vertical connecting tube (8.2),
The three-way piece (10) includes the first longitudinal direction perforation and second longitudinal direction perforation of the longitudinal direction of left and right two of parallel arrangement, described
Three-way piece (10) further includes that the third positioned at first longitudinal direction perforation and second longitudinal direction perforation lower section is longitudinally perforated.
2. support foot in a kind of accompanying chair according to claim 1, it is characterised in that first longitudinal direction perforation and second longitudinal direction are worn
Hole is circular perforations, and longitudinally perforation is rectangular perforation to third.
3. support foot in a kind of accompanying chair according to claim 1, it is characterised in that telescopic rod selects gas spring.
4. a kind of accompanying chair, it includes support foot in a kind of accompanying chair as described in claim 1, it is characterised in that is additionally included
It from left to right successively include the seat frame (1) being hinged, back frame (2) and rear back frame (3), the bottom setting of the seat frame (1)
Have front support (4), be connected between back frame (2) and rear back frame (3) middle support foot (5), the bottom of rear back frame (3) is provided with rear support
(6), handrail (7) have been set up at the top of rear support (6)；
The bottom of the front support (4) is provided with front-wheel (4.1), and the bottom of rear support (6) is provided with rear-wheel (6.1)；
It is attached between the back frame (2), rear back frame (3) and middle support foot (5) by two groups of three-way pieces (10), the back frame
(2) there are a back frame connecting tube (2.1), back frame connecting tube (3.1) after having one on front side of the rear back frame (3), back on rear side of
The back frame connecting tube (2.1) of frame (2) is arranged in first longitudinal direction perforation, and the rear back frame connecting tube (3.1) of rear back frame (3) is arranged in
In second longitudinal direction perforation；
Wherein the first front rod (5.2) and the first rear connecting rod (5.3) pass through the first locating plate (11) connection respectively
The leading portion and back segment of the rear back frame connecting tube (3.1) of back frame (3) afterwards；
Wherein the second front rod (5.5) and the second rear connecting rod (5.6) pass through the second locating plate (12) connection respectively
The leading portion and back segment of the back frame connecting tube (2.1) of back frame (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721847535.8U CN208676709U (en) | 2017-12-26 | 2017-12-26 | Its accompanying chair of support foot and application in a kind of accompanying chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721847535.8U CN208676709U (en) | 2017-12-26 | 2017-12-26 | Its accompanying chair of support foot and application in a kind of accompanying chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208676709U true CN208676709U (en) | 2019-04-02 |
Family
ID=65874899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721847535.8U Expired - Fee Related CN208676709U (en) | 2017-12-26 | 2017-12-26 | Its accompanying chair of support foot and application in a kind of accompanying chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208676709U (en) |
-
2017
- 2017-12-26 CN CN201721847535.8U patent/CN208676709U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190402 Termination date: 20211226 |