CN208708874U - It is a kind of for folding table chair frame and the self-locking cross device of folding bedstead - Google Patents
It is a kind of for folding table chair frame and the self-locking cross device of folding bedstead Download PDFInfo
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- CN208708874U CN208708874U CN201721650459.1U CN201721650459U CN208708874U CN 208708874 U CN208708874 U CN 208708874U CN 201721650459 U CN201721650459 U CN 201721650459U CN 208708874 U CN208708874 U CN 208708874U
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Abstract
The utility model discloses a kind of for folding table chair frame and the self-locking cross device of folding bedstead, including scissor mechanism, two second connecting rods and two third connecting rods, which includes two first connecting rods；The second connecting rod first end, which is able to rotate, is connected to a first connecting rod, third connecting rod, which is able to rotate, is connected to second connecting rod, third connecting rod can also be rotatably connected on another first connecting rod, and the scissor mechanism, two second connecting rods and the cooperation of two third connecting rods constitute two groups of kink four bar linkages being arranged symmetrically；The self-locking cross device is equipped with the position-limit mechanism for limiting maximum expanded angle, and the angle for the downward opening angle that two third connecting rods of the self-locking cross device in maximum expanded angle are formed is greater than 180 degree.It has the following advantages: be able to maintain in self-locking state, keep width, height fixed, so that flexible cloth be made to reach the state tightened, stabilization is not toppled over, and when use is more comfortable, and width direction stress is good, solid, simple production process.
Description
Technical field
The utility model relates to the mechanisms of a kind of folding tables and chairs and folding bedstead, more particularly to one kind to be used for folding table chair frame
And the self-locking cross device of folding bedstead.
Background technique
It is existing to be used for folding table chair frame and folding bedstead, such as the folding bedstead of CN102599755B, CN2538201Y
Folding table, the Foldable chair of CN2441379Y, they all include scissor mechanism, which includes being able to rotate and being connected to one
Two connecting rods risen.It has the following deficiencies: 1, folding table chair frame and folding bedstead is by cloth (bed surface cloth, seat cloth
Material or desktop cloth) maximum expanded angle is limited, and unfolded state is maintained, cloth is easy to damage；2, because user's activity is easily led to
The elastic variation of cloth, in fact it could happen that slack phenomenon, use are uncomfortable；3, folding table chair frame and folding bedstead easily occur upon deployment
Folding activity, it is unstable, it also easily arbitrarily shakes, it is possible that unexpected folding causes to topple over dangerous generation in use；Even if 4,
Add a manually secure latch in folding table chair frame and folding bedstead, can also make troubles to using, user is often
Forget to lock secure latch after deployment, when folding can forget unlock secure latch again, and folding causes folding table chair frame and receipts by force
The damage of fold bed frame.
Utility model content
The utility model provides the mechanism of folding tables and chairs and folding bedstead, and which overcome cross device institutes in background technique
Existing deficiency.
The utility model solve the used technical solution of its technical problem first is that:
It is a kind of for folding table chair frame and the self-locking cross device of folding bedstead, including scissor mechanism, the scissor mechanism packet
Include two first connecting rods for being able to rotate and linking together；The self-locking cross device further includes two second connecting rods and two third connecting rods；It should
Second connecting rod first end, which is able to rotate, is connected to a first connecting rod, which, which is able to rotate, is connected to second connecting rod, which connects
Bar can also be rotatably connected on another first connecting rod, and the scissor mechanism, two second connecting rods and the cooperation of two third connecting rods constitute two groups pairs
Claim the kink four bar linkage of arrangement；The self-locking cross device is equipped with the position-limit mechanism for limiting maximum expanded angle, in maximum
The angle for the downward opening angle that two third connecting rods of the self-locking cross device of expanded angle are formed is greater than 180 degree.
Among one embodiment: the first connecting rod has the upper section and lower section for being located at scissor mechanism rotation point or more；This second
Connecting rod first end is able to rotate the lower section for being connected to a first connecting rod, which, which is able to rotate, is connected to the upper of another first connecting rod
Section.
Among one embodiment: the position-limit mechanism is located between the first connecting rod and third connecting rod of the connection that rotates.
Among one embodiment: the third connecting rod first end, which is able to rotate, is connected to second connecting rod, which includes one solid
Be located at the top retainer component of third connecting rod second end, by the top retainer component from top to down contact first connecting rod realize limit.
Among one embodiment: the third connecting rod includes two rod pieces, the two rod pieces first end clamping connection second connecting rod and is arranged the
One rotation axis passes through two rod pieces and two rod pieces and second connecting rod are able to rotate and link together by second connecting rod；The two rod pieces clamping connection should
Another first connecting rod two sides and be arranged the second rotation axis pass through two rod pieces and another first connecting rod by two rod pieces and this another the
One connecting rod, which is able to rotate, to link together；The top retainer component is fixed between two rod piece second ends.
The utility model solve the used technical solution of its technical problem second is that:
Including described a kind of for folding table chair frame and the folding bedstead of the self-locking cross device of folding bedstead, if including
Dry upper binding head and lower union joint with the number such as upper binding head, which is multiple, multiple self-locking intersections
In mechanism: the second end of the second connecting rod per at least two adjacent self-locking cross devices can be rotatably connected to one it is above-mentioned
Upper binding head, the lower end of the first connecting rod per at least two adjacent self-locking cross devices can be rotatably connected to one it is above-mentioned
Lower union joint.
Among one embodiment: multiple self-locking cross device by upper binding head connected with lower union joint be arranged to " field " or
" day " or " mouth " font.
The utility model solve the used technical solution of its technical problem third is that:
Including described a kind of for folding table chair frame and the folding bedstead of the self-locking cross device of folding bedstead, if including
The lower union joint and multiple scissor mechanisms of the number such as dry upper binding head and upper binding head, which is at least
One；The self-locking cross device respectively corresponds the upper end of second connecting rod second end and two with two and respectively corresponds under first connecting rod
The lower end at end, the scissor mechanism include being able to rotate two fourth links to link together, which also has two difference
The upper end of corresponding fourth link upper end and two respectively correspond fourth link lower end lower end；Per at least two adjacent upper ends
Head can be rotatably connected to an above-mentioned upper binding head, can be rotatably connected on one per at least two adjacent lower ends
The lower union joint stated.
Among one embodiment: at least one self-locking cross device and multiple scissor mechanisms pass through upper binding head and lower connection
Head connection is arranged to " field " or " day " or " mouth " font.
Among one embodiment: including four above-mentioned self-locking cross devices and three above-mentioned scissor mechanisms, this four certainly
Lock cross device is divided into two rows, which is connected between two rows of self-locking cross devices and four self-locking cross devices
And three scissor mechanisms constitute " day " font.
The utility model solve the used technical solution of its technical problem fourth is that:
Including described a kind of for folding table chair frame and the folding table chair frame of the self-locking cross device of folding bedstead, including
At least one self-locking cross device.
Among one embodiment: lower union joint and multiple scissors machines including the number such as several upper binding heads and upper binding head
Structure, the self-locking cross device number are at least one；The self-locking cross device has two to respectively correspond second connecting rod second end
Upper end and two respectively correspond first connecting rod lower end lower end, which includes being able to rotate two the 4th to link together
Also there are two upper ends for respectively corresponding fourth link upper end and two to respectively correspond fourth link lower end for connecting rod, the scissor mechanism
Lower end；It can be rotatably connected to an above-mentioned upper binding head per at least two adjacent upper ends, per adjacent at least two
A lower end can be rotatably connected to an above-mentioned lower union joint.
Among one embodiment: including two above-mentioned self-locking cross devices and two above-mentioned scissor mechanisms, per adjacent
Second connecting rod second end and fourth link upper end can be rotatably connected to an above-mentioned upper binding head, per adjacent first connecting rod
Lower end and fourth link lower end can be rotatably connected to an above-mentioned lower union joint.
Among one embodiment: further including two back support bars, which is fixed in the lower union joint positioned at rear side, this is leaned on
The upper end of back bar can slide through the corresponding upper binding head of rear side.
Among one embodiment: further including two handrails, a self-locking cross device is located at front side, a self-locking cross device
The second end of second connecting rod, which upwardly extends and stretches out upper binding head, constitutes above-mentioned handrail.
Among one embodiment:, should including two front leg struts, two rear support legs, two bars and two above-mentioned self-locking cross devices
Seat rod rear end, which is able to rotate, is connected to rear support leg, this bar middle front part, which is able to rotate, is connected to front leg strut, and the rear support leg and front leg strut are living
Dynamic connection；
One self-locking cross device: the upper end of two second connecting rods is able to rotate respectively is connected to two front leg struts, two first connecting rods
Lower end is able to rotate respectively is connected to two rear support legs；
Another self-locking cross device: the upper end of two second connecting rods is able to rotate the front end for being connected to two bars respectively, and two first
The lower end of connecting rod is able to rotate respectively is connected to two front leg struts.
Among one embodiment: slidably connecting slide on the front leg strut, which, which is able to rotate, is connected to slide；It should
Slide is located between the junction of the front leg strut and seat bar and the junction of the upper end of the front leg strut and second connecting rod.
Among one embodiment: further including two handrails, a self-locking cross device is located at front side, a self-locking cross device
The second end of second connecting rod, which upwardly extends and stretches out upper binding head, constitutes above-mentioned handrail.
The technical program compared with the background art, it has the following advantages:
The angle for the downward opening angle that two third connecting rods of the self-locking cross device in maximum expanded angle are formed
Greater than 180 degree, self-locking cross device is equipped with the position-limit mechanism for limiting maximum expanded angle, prevents angle from continuing to become larger, mechanism energy
It is maintained at self-locking state, so that bedside or chair is wide or the wide fixation of table, bed height or chair height or table height are also fixed, to make soft
Property cloth (such as bed surface cloth, seat cloth or desktop cloth) reach the state tightened, stabilization is not toppled over, and when use is more comfortable,
Width direction stress is good, solid, simple production process.
Self-locking cross device is used cooperatively with existing scissor mechanism, can design the product of more length-width ratios.
Position-limit mechanism includes a top retainer component for being installed in the third connecting rod other end, and by the top retainer component, contact exists from top to down
First connecting rod realizes limit, self-locking reliable and stable.
It two rod piece first end clamping connection second connecting rods and the first rotation axis is arranged passes through two rod pieces and second connecting rod for two rod pieces
It is able to rotate and links together with second connecting rod；Two rod piece clamping connections another first connecting rod two sides and be arranged the second rotation axis pass through two
Two rod pieces and another first connecting rod are able to rotate by rod piece and another first connecting rod to link together；Top retainer component is fixed in two bars
Between part second end, stability is high, and easy to process, structure is simple.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is the stereoscopic schematic diagram one of self-locking support mechanism, and self-locking support mechanism is in open configuration at this time.
Fig. 2 is the stereoscopic schematic diagram two of self-locking support mechanism, and self-locking support mechanism is in half folding state at this time.
Fig. 3 is the stereoscopic schematic diagram three of self-locking support mechanism, and self-locking support mechanism is in folding state at this time.
Fig. 4 is one of schematic diagram of self-locking support mechanism, and mechanism is in no self-locking state at this time.
Fig. 5 is the two of the schematic diagram of self-locking support mechanism, and mechanism is in critical state (" mechanism dead point ") at this time.
Fig. 6 is the three of the schematic diagram of self-locking support mechanism, and mechanism is in self-locking state at this time.
Fig. 7 is the stereoscopic schematic diagram of a folding bedstead.
Fig. 8 is the stereoscopic schematic diagram of another folding bedstead.
Fig. 9 is the stereoscopic schematic diagram of a Foldable chair frame.
Figure 10 is the stereoscopic schematic diagram of another Foldable chair frame.
Figure 11 is the stereoscopic schematic diagram of a Collapsible table legs.
Specific embodiment
Please refer to Fig. 1 to Fig. 6, it is a kind of for folding table chair frame and the self-locking cross device 10 of folding bedstead, including one cut
Formula mechanism 11, two second connecting rods 12 and two third connecting rods 13.The scissor mechanism 11 includes being able to rotate two first to link together
Connecting rod 111；12 lower end of second connecting rod, which is able to rotate, is connected to a first connecting rod 111, which is able to rotate company
It connects in second connecting rod 12, which can also be rotatably connected on another first connecting rod 111, the scissor mechanism 11, two second
Connecting rod 12 and the cooperation of two third connecting rods 13 constitute two groups of kink four bar linkages being arranged symmetrically；The self-locking cross device is equipped with limit
Make the position-limit mechanism 14 of maximum expanded angle, two third connecting rods 13 formation of the self-locking cross device 10 in maximum expanded angle
The angle of downward opening angle be greater than 180 degree, such as 185-250 degree, such as 195-205 degree.
The first connecting rod 111 has the upper section and lower section for being located at the rotation point of scissor mechanism 11 or more, and lower segment length is greater than upper
Segment length.12 first end of second connecting rod (lower end in figure) is able to rotate the lower section for being connected to a first connecting rod 111, which connects
Bar 13 is able to rotate the upper section for being connected to another first connecting rod 111.
The position-limit mechanism 14 is located between the first connecting rod 111 for the connection that rotates and third connecting rod 13, the position-limit mechanism 14
The top retainer component for being installed in 13 second end of third connecting rod including one, by the top retainer component, contact is real in first connecting rod 111 from top to down
Now limit.Among the present embodiment: the third connecting rod 13 includes two rod pieces, the two rod pieces first end clamping connection second connecting rod 12 and arranging
First rotation axis passes through two rod pieces and two rod pieces and second connecting rod are able to rotate and link together by second connecting rod 12；Two rod piece folder
It connects another 111 two sides of first connecting rod and the second rotation axis is arranged and pass through two rod pieces and another first connecting rod 111 for two rod pieces
It is able to rotate and links together with another first connecting rod 111；The top retainer component is fixed between two rod piece second ends, preferably, the top
Arrived piece bottom surface is recessed with the groove of adaptation first connecting rod.
Wherein: the downward opening folder that two third connecting rods 13 of the self-locking cross device 10 in maximum expanded angle are formed
The angle of angle a is greater than 180 degree, as shown in Figure 4, Figure 5 and Figure 6, when four-bar linkage changes from folding state to unfolded state
Crossing " mechanism dead point ", (when 180 ° of a < such as Fig. 4 is in no self-locking state, at this time applied force F1 or when F2 power, this structure is received automatically
Folding, S becomes smaller, h becomes larger), that is, 180 ° of a < in Fig. 4, a=180 ° in Fig. 5, a > 180 ° in Fig. 6, the first connecting rod for the connection that rotates
Position-limit mechanism 14 is set between 111 and third connecting rod 13, prevents angle a from continuing to become larger, and mechanism is in self-locking state at this time, either
Apply F1 or self-locking state can be maintained at F2 mechanism, that is, as that close can not be moved between two second connecting rod upper ends, so that machine
Structure width S is fixed, mechanism height H is also fixed, to make (if the bedstead corresponding cloth bed surface cloth of cloth 20 in mechanism
Material, similarly there are also seat cloth and desktop clothes) reach the state tightened, stabilization is not easy to topple over；When folding, with hand pressing two the
The lower section of one connecting rod can unlock folding.
When folding: unlock is realized with the lower section that hand presses two first connecting rods 111, such as Fig. 1 and Fig. 2；Until cross device is received
Folding is complete, such as Fig. 3.Certainly, the upper section of two first connecting rods 111 can also be pressed with hand when folding, or, lift two third connecting rods, but
Due to receiving cloth interference, there are some inconvenience for which operation.
Fig. 7 is please referred to, it is the stereoscopic schematic diagram of a folding bedstead.Including seven above-mentioned self-locking cross devices 10, six
A upper binding head 30 and six lower union joints 40, in seven above-mentioned self-locking cross devices 10: four self-locking 10 cloth of cross device
Two rows are set to, the self-locking cross device 10 of the other three is connected between two rows of self-locking cross devices 10, with composition " day " font.Its
In: the second end of the second connecting rod 12 per at least two adjacent self-locking cross devices 10 can be rotatably connected to one it is above-mentioned
The lower end of upper binding head 30, the first connecting rod 111 per at least two adjacent self-locking cross devices 10 can be rotatably connected to one
A above-mentioned lower union joint 40.Bed surface cloth is connected on six upper binding heads 30.
Please refer to Fig. 8, it is the stereoscopic schematic diagram of another folding bedstead, it and upper folding bedstead the difference is that:
Including four self-locking cross devices 10 and three scissor mechanisms 50, which includes being able to rotate two the 4th to link together
Connecting rod 51, four self-locking cross devices 10 divide for two rows, which is connected between two rows of self-locking cross devices
And four self-locking cross devices and three scissor mechanisms constitute " day " font.Positioned at the fourth link of the scissor mechanism 50 of front and back side
The upper end of the second connecting rod 12 of 51 upper end and a self-locking cross device 10 is connected by upper binding head 30, is located at middle side scissors machine
The upper end of the second connecting rod 12 of the upper end of the fourth link 51 of structure 50 and two self-locking cross devices 10 is connected by upper binding head 30；
Positioned at the lower end of the lower end of the fourth link 51 of the scissor mechanism 50 of front and back side and the first connecting rod 111 of a self-locking cross device 10
It is connected by lower union joint 40, positioned at the of the lower end of the fourth link 51 of middle side scissor mechanism 50 and two self-locking cross devices 10
The lower end of one connecting rod 111 is connected by lower union joint 40.Among the present embodiment, using four self-locking cross devices and three scissors
It is illustrated for mechanism, any one in the substantial existing folding bedstead using scissor mechanism or more than one scissors
Mechanism can be replaced using the self-locking cross device of the present embodiment.
Fig. 9 is please referred to, it is the stereoscopic schematic diagram of a Foldable chair frame.Including two self-locking cross devices, 10, two scissors
50, four upper binding heads 30 of mechanism and four lower union joints 40, the scissor mechanism include being able to rotate two the 4th to link together
Connecting rod 51；Two self-locking cross devices 10 and two scissor mechanisms 50 surround square shape, and, per adjacent second connecting rod 12 second
End and 51 upper end of fourth link can be rotatably connected to an above-mentioned upper binding head 30, per adjacent 111 lower end of first connecting rod
An above-mentioned lower union joint 40 can be rotatably connected to 51 lower end of fourth link；Two self-locking 10 front and back cloth of cross device
It sets, two scissor mechanisms 50 or so arrange that but not limited to this, as needed, can arrange before and after two scissor mechanisms 50 and two
A self-locking cross device 10 or so is arranged.It as needed, further include two back support bars 60 and two handrails 70；60 lower end of back support bar
It is fixed in the lower union joint 40 positioned at rear side, the upper end of the back support bar 60 can slide through the corresponding upper binding head 30 of rear side；
The second end for being located at the second connecting rod 12 of the self-locking cross device 10 of front side upwardly extends and stretches out upper binding head 30 and constitutes
The handrail 70 stated.The chair cloth is connected on four upper binding heads.In the substantial existing Foldable chair frame using scissor mechanism
Any one or more than one scissor mechanism can be replaced using the self-locking cross device of the present embodiment.
Figure 10 is please referred to, it is the stereoscopic schematic diagram of another Foldable chair frame.Including two front leg struts 81, two rear support legs 82, two
Seat bar 83 and two above-mentioned self-locking cross devices 10；It is arranged before and after two above-mentioned self-locking cross devices 10；After this bar 83
End, which is able to rotate, is connected to rear support leg 82, and 83 middle front part of this bar, which is able to rotate, is connected to front leg strut 81, the company of sliding on the front leg strut 81
It is connected to slide 84, which, which is able to rotate, is connected to slide 84；Self-locking 10: two second connecting rod of cross device of the one of rear side
12 upper end is able to rotate respectively is connected to two front leg struts 81, the lower end of two first connecting rods 111 is able to rotate respectively be connected to two after prop up
Leg 82；The upper end of self-locking 10: two second connecting rod 12 of cross device of the one of front side is able to rotate the front end for being connected to two bars 83 respectively,
The lower end of two first connecting rods 111 is able to rotate respectively is connected to two front leg struts 81.The slide 84 is located at the company of the front leg strut and seat bar
Between the junction for connecing the upper end of place and the front leg strut and second connecting rod.It further include two handrails 70, the self-locking intersecting machine of front side
The second end of the second connecting rod of structure, which upwardly extends and stretches out upper binding head, constitutes above-mentioned handrail.
Figure 11 is please referred to, it is the stereoscopic schematic diagram of a Collapsible table legs.Including two self-locking cross devices, 10, two scissors
50, four upper binding heads 30 of mechanism and four lower union joints 40, the scissor mechanism include being able to rotate two the 4th to link together
Connecting rod 51；Two self-locking cross devices 10 and two scissor mechanisms 50 surround square shape, and, per adjacent second connecting rod 12 second
End and 51 upper end of fourth link can be rotatably connected to an above-mentioned upper binding head 30, per adjacent 111 lower end of first connecting rod
An above-mentioned lower union joint 40 can be rotatably connected to 51 lower end of fourth link；Two self-locking 10 front and back cloth of cross device
It sets, two scissor mechanisms 50 or so arrange that but not limited to this, as needed, can arrange before and after two scissor mechanisms 50 and two
A self-locking cross device 10 or so is arranged.The tablecloth is connected on four upper binding heads.It is substantially existing using scissor mechanism
Any one or more than one scissor mechanism in folding table frame can be carried out using the self-locking cross device of the present embodiment
Replacement.
The above, only the utility model preferred embodiment, therefore, it cannot be limited according to, and the utility model is implemented
It is practical new to should still belong to this for range, i.e., equivalent changes and modifications made according to the scope of the patent of the utility model and the content of the manual
In the range of type covers.
Claims (18)
1. a kind of for folding table chair frame and the self-locking cross device of folding bedstead, including scissor mechanism, the scissor mechanism include
It is able to rotate two first connecting rods to link together；It is characterized by: the self-locking cross device further includes two second connecting rods and two
Three-link；The second connecting rod first end, which is able to rotate, is connected to a first connecting rod, which, which is able to rotate, is connected to second connecting rod,
The third connecting rod can also be rotatably connected on another first connecting rod, and the scissor mechanism, two second connecting rods and two third connecting rods cooperate structure
The kink four bar linkage being arranged symmetrically at two groups；The self-locking cross device is equipped with the position-limit mechanism for limiting maximum expanded angle,
The angle for the downward opening angle that two third connecting rods of the self-locking cross device in maximum expanded angle are formed is greater than 180
Degree.
A kind of exist for folding table chair frame and the self-locking cross device of folding bedstead, feature 2. according to claim 1
In: the first connecting rod has the upper section and lower section for being located at scissor mechanism rotation point or more；The second connecting rod first end is able to rotate company
The lower section in a first connecting rod is connect, which is able to rotate the upper section for being connected to another first connecting rod.
A kind of exist for folding table chair frame and the self-locking cross device of folding bedstead, feature 3. according to claim 1
In: between the first connecting rod and third connecting rod that the position-limit mechanism is located at the connection that rotates.
A kind of exist for folding table chair frame and the self-locking cross device of folding bedstead, feature 4. according to claim 3
In: the third connecting rod first end, which is able to rotate, is connected to second connecting rod, which is installed in third connecting rod second end including one
Top retainer component, by the top retainer component from top to down contact first connecting rod realize limit.
A kind of exist for folding table chair frame and the self-locking cross device of folding bedstead, feature 5. according to claim 4
Include two rod pieces in: the third connecting rod, the two rod pieces first end clamping connection second connecting rod and the first rotation axis is arranged passes through two rod pieces
Two rod pieces and second connecting rod are able to rotate with second connecting rod and are linked together；The two rod pieces clamping connection another first connecting rod two sides and
It the second rotation axis is arranged is able to rotate two rod pieces and another first connecting rod across two rod pieces and another first connecting rod and be connected to
Together；The top retainer component is fixed between two rod piece second ends.
6. according to any one of claim 1 to 5 a kind of for folding table chair frame and the self-locking intersecting machine of folding bedstead
A kind of folding bedstead of structure, it is characterised in that: the lower union joint including several upper binding heads and with the number such as upper binding head, it should be from
Lock cross device number be it is multiple, in multiple self-locking cross devices: per at least two adjacent self-locking cross devices second connect
The second end of bar can be rotatably connected to an above-mentioned upper binding head, first per at least two adjacent self-locking cross devices
The lower end of connecting rod can be rotatably connected to an above-mentioned lower union joint.
7. a kind of folding bedstead according to claim 6, it is characterised in that: multiple self-locking cross device passes through upper connection
Head is connected with lower union joint is arranged to " field " or " day " or " mouth " font.
8. according to any one of claim 1 to 5 a kind of for folding table chair frame and the self-locking intersecting machine of folding bedstead
A kind of folding bedstead of structure, it is characterised in that: including several upper binding heads, with the lower union joint of the number such as upper binding head and multiple
Scissor mechanism, the self-locking cross device number are at least one；The self-locking cross device has two to respectively correspond second connecting rod the
The upper end at two ends and two respectively correspond first connecting rod lower end lower end, which includes being able to rotate to link together
Also there are two upper ends for respectively corresponding fourth link upper end and two to respectively correspond fourth link for two fourth links, the scissor mechanism
The lower end of lower end；It can be rotatably connected to an above-mentioned upper binding head per at least two adjacent upper ends, per adjacent
At least two lower ends can be rotatably connected to an above-mentioned lower union joint.
9. a kind of folding bedstead according to claim 8, it is characterised in that: at least one self-locking cross device and multiple
Scissor mechanism is connected with lower union joint by upper binding head and is arranged to " field " or " day " or " mouth " font.
10. a kind of folding bedstead according to claim 8, it is characterised in that: including four above-mentioned self-locking cross devices
And three above-mentioned scissor mechanisms, four self-locking cross devices are divided into two rows, which is connected to two rows of self-locking
Between cross device and four self-locking cross devices and three scissor mechanisms constitute " day " font.
11. according to any one of claim 1 to 5 a kind of for folding table chair frame and the self-locking intersecting machine of folding bedstead
A kind of folding table chair frame of structure, it is characterised in that: including at least one self-locking cross device.
12. a kind of folding table chair frame according to claim 11, it is characterised in that: including several upper binding heads, with it is upper
The lower union joint and multiple scissor mechanisms of the number such as connector, the self-locking cross device number are at least one；The self-locking intersecting machine
There are structure two upper ends for respectively corresponding second connecting rod second end and two to respectively correspond the lower end of first connecting rod lower end, the scissors
Mechanism includes being able to rotate two fourth links to link together, which also has two to respectively correspond fourth link upper end
Upper end and two respectively correspond fourth link lower end lower end；One can be rotatably connected to per at least two adjacent upper ends
A above-mentioned upper binding head can be rotatably connected to an above-mentioned lower union joint per at least two adjacent lower ends.
13. a kind of folding table chair frame according to claim 12, it is characterised in that: including two above-mentioned self-locking intersecting machines
Structure and two above-mentioned scissor mechanisms, per adjacent second connecting rod second end and fourth link upper end can be rotatably connected to one
Above-mentioned upper binding head, per adjacent first connecting rod lower end and fourth link lower end can be rotatably connected to an above-mentioned lower company
Connector.
14. a kind of folding table chair frame according to claim 13, it is characterised in that: further include two back support bars, the back support bar
Lower end is fixed in the lower union joint positioned at rear side, and the upper end of the back support bar can slide through the corresponding upper binding head of rear side.
15. a kind of folding table chair frame according to claim 13, it is characterised in that: further include two handrails, a self-locking friendship
Fork mechanism is located at front side, and the second end of the second connecting rod of a self-locking cross device upwardly extends and stretches out upper binding head and constitutes
The handrail stated.
16. a kind of folding table chair frame according to claim 11, it is characterised in that: including two front leg struts, two rear support legs, two
Seat bar and two above-mentioned self-locking cross devices, this rod rear end, which is able to rotate, is connected to rear support leg, this bar middle front part is able to rotate
It is connected to front leg strut, the rear support leg and front leg strut are flexibly connected；
One self-locking cross device: the upper end of two second connecting rods is able to rotate respectively is connected to two front leg struts, the lower end of two first connecting rods
It is able to rotate respectively and is connected to two rear support legs；
Another self-locking cross device: the upper end of two second connecting rods is able to rotate the front end for being connected to two bars, two first connecting rods respectively
Lower end be able to rotate be connected to two front leg struts respectively.
17. a kind of folding table chair frame according to claim 16, it is characterised in that: slidably connect cunning on the front leg strut
Seat, which, which is able to rotate, is connected to slide；The slide be located at the front leg strut and seat bar junction and the front leg strut and
Between the junction of the upper end of second connecting rod.
18. a kind of folding table chair frame according to claim 17, it is characterised in that: further include two handrails, a self-locking friendship
Fork mechanism is located at front side, and the second end of the second connecting rod of a self-locking cross device upwardly extends and stretches out upper binding head and constitutes
The handrail stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721650459.1U CN208708874U (en) | 2017-12-01 | 2017-12-01 | It is a kind of for folding table chair frame and the self-locking cross device of folding bedstead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721650459.1U CN208708874U (en) | 2017-12-01 | 2017-12-01 | It is a kind of for folding table chair frame and the self-locking cross device of folding bedstead |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208708874U true CN208708874U (en) | 2019-04-09 |
Family
ID=65968176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721650459.1U Withdrawn - After Issue CN208708874U (en) | 2017-12-01 | 2017-12-01 | It is a kind of for folding table chair frame and the self-locking cross device of folding bedstead |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208708874U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108095302A (en) * | 2017-12-01 | 2018-06-01 | 鹭谱达（厦门）户外用品有限公司 | For folding table chair frame and the self-locking cross device of folding bedstead |
| US10722034B2 (en) | 2018-01-12 | 2020-07-28 | Yeti Coolers, Llc | Portable chair |
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2017
- 2017-12-01 CN CN201721650459.1U patent/CN208708874U/en not_active Withdrawn - After Issue
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|---|---|---|---|---|
| CN108095302B (en) * | 2017-12-01 | 2023-09-29 | 鹭谱达（厦门）户外用品有限公司 | Self-locking cross mechanism for folding table and chair frame and folding bedstead |
| CN108095302A (en) * | 2017-12-01 | 2018-06-01 | 鹭谱达（厦门）户外用品有限公司 | For folding table chair frame and the self-locking cross device of folding bedstead |
| US11389003B2 (en) | 2018-01-12 | 2022-07-19 | Yeti Coolers, Llc | Portable chair |
| US10722034B2 (en) | 2018-01-12 | 2020-07-28 | Yeti Coolers, Llc | Portable chair |
| US12262818B2 (en) | 2018-01-12 | 2025-04-01 | Yeti Coolers, Llc | Portable chair |
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| US11744370B2 (en) | 2018-01-12 | 2023-09-05 | Yeti Coolers, Llc | Portable chair |
| USD912423S1 (en) | 2019-01-14 | 2021-03-09 | Yeti Coolers, Llc | Portable chair |
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| USD1027523S1 (en) | 2019-01-14 | 2024-05-21 | Yeti Coolers, Llc | Portable chair |
| USD929142S1 (en) | 2019-01-14 | 2021-08-31 | Yeti Coolers, Llc | Portable chair |
| USD1030340S1 (en) | 2019-01-14 | 2024-06-11 | Yeti Coolers, Llc | Portable chair |
| USD1038611S1 (en) | 2019-01-14 | 2024-08-13 | Yeti Coolers, Llc | Bag |
| USD1067323S1 (en) | 2019-01-14 | 2025-03-18 | Yeti Coolers, Llc | Portable chair |
| USD902617S1 (en) | 2019-01-14 | 2020-11-24 | Yeti Coolers, Llc | Portable chair |
| USD1068363S1 (en) | 2019-01-14 | 2025-04-01 | Yeti Coolers, Llc | Portable chair |
| USD1068303S1 (en) | 2019-01-14 | 2025-04-01 | Yeti Coolers, Llc | Portable chair |
| USD1070385S1 (en) | 2024-04-04 | 2025-04-15 | Yeti Coolers, Llc | Portable chair |
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