CN103989337B - Demountable chair - Google Patents
Demountable chair Download PDFInfo
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- CN103989337B CN103989337B CN201410237018.3A CN201410237018A CN103989337B CN 103989337 B CN103989337 B CN 103989337B CN 201410237018 A CN201410237018 A CN 201410237018A CN 103989337 B CN103989337 B CN 103989337B
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Abstract
The invention relates to the technical field of furniture and particularly relates to a demountable chair. The demountable chair consists of a chair body, a seat supporting frame and chair legs, wherein the chair body comprises a seat which is used for undertaking the hip-thigh part of a human body, the upside of the seat supporting frame can be detached from the seat, the downside of the seat supporting frame can be detached from the chair legs, the seat supporting frame comprises a load bearing frame, which is provided with a flat upper surface and is formed through interconnecting four hollow metallic tubes, and supporting bodies which are fixed to the lower surface of the load bearing frame and are used for being connected with the chair legs, the four hollow metallic tubes are of an arc concave shape towards the center of the load bearing frame, the concave hollow metallic tubes are in end-to-end connection sequentially, and structures that adjacent hollow metallic tubes are abutted with one another by sidewalls are formed at junctions; the upper ends, in the vertical direction, of the supporting bodies are welded to the lower surfaces of the bottom walls, adjacent to abutted sidewalls, of adjacent hollow metallic tubes. The demountable chair has the advantages of simple and firm structure, strong carrying capacity, difficulty in deformation, convenience in production, convenience in demounting and low cost.
Description
Technical field
The present invention relates to technical field of furniture, specially a kind of reassembling type seat.
Background technology
Seat tool, its most important function is easy for people's rest, and enables a user to take a seat with comfortable sitting posture, one
Seat tool main body supporting structure reasonable in design directly affects the quality of seat tool, cost, portability, service life etc..
According to " ancient book deciphering pre-test " Suo Shu, chair originates from China Wei Jin and the Sui Dynasty, to Song, first period, occurs in that one kind
Conventional seat tool, is called Hu bed, also known as campstool, Hu bed simplicity portable, but lacks support in the middle of its cushion portion, and people sits down recoil
Pad occurs obvious depression, and sitting can lead to sitting posture deformation, and then affects health and the experience of user.
Similar with Hu bed supporting construction, prior art is commonly used hollow rustless steel and is welded to each other as cushion support load-bearing frame
Frame, welding manner is fitted for stainless steel tube section and is welded, and due to being hollow pipe, the welding in its section cannot provide enough welding
Groove face, therefore weld strength be not high, and the support frame welding out mostly is rectangle, same as seat tool supporting construction
Occur medicated cushion to umbilicate problem.
Subsequently occur in that netted (cloth-like) structure medicated cushion, by netted (cloth-like) medicated cushion be placed in two or more Vitex chinensis Mill. composition
On bracing frame, this kind of medicated cushion light air ventilation and high resilience, and certain support performance can be provided, such as patent
02256548.5 structure mentioned.But this kind of structure there is also that support is not firm, medicated cushion in time long can be to intermediate recess
Problem.Patent 00813517.7 provides a kind of technical scheme and solves the problems, such as to support on the basis of before and be recessed,
But its structure is relative complex, relatively costly and more heavy.
Appearance patent 201330232826.7 discloses a kind of chair supporting structure, and this structure is adopted on chair cushion supporting frame
With the curved metal sealing of tube structure similar with this patent, in two curved stainless steel pipes, recess side wall is welded to each other, welding
Point is located in the middle of supporting surface, and this structure is simple and can preferably prevent medicated cushion to intermediate recess, but the pipeline being welded to each other
The solid cost directly influencing this structure and welding are worth, and also do not consider this is welded in stainless steel tube weld
Structure is strengthened, and the structural strength of therefore its weld is limited, and its detachability equally says offhandedly, and deviates medicated cushion center
The medicated cushion avris region in region is easily deformed.
Content of the invention
It is an object of the invention to provide a kind of structure simply firmly, bearing capacity is strong, be unlikely to deform, convenient for production, be easy to
Dismounting, the reassembling type seat of low cost.
The above-mentioned technical purpose of the present invention has the technical scheme that a kind of reassembling type seat, by seat
Chair body, cushion support and chair leg composition, described seat body includes the medicated cushion for accepting human body buttockss thigh, described medicated cushion
Bracing frame up can be dismounted with described medicated cushion phase, described cushion support under can dismount with leg phase, medicated cushion props up
Support includes being had the supporting frame of flat upper surface and be fixed on described by what four hollow metal pipes were mutually linked and were formed
Supporting frame lower surface is used for the supporter being connected with chair leg, and four described hollow metal pipes are to described supporting frame central arcuate
Indent, and described indent hollow metal pipe tandem array successively, form adjacent hollow metal tube with side wall phase in described joining place
The structure of patch；Described supporter is welded on described adjacent hollow metal tube with its upper end by above-below direction and is affixed side wall with described
The lower surface of adjacent diapire.
In technique scheme, supporting frame can be twisted by having installation connecting hole blending bolt on hollow metal pipe
The medicated cushion of the mode fixing seat such as tight, is easy to dismount；Supporter can connect chair leg by modes such as fluting, perforates, is easy to tear open
Dress, can save transport space again, save production cost；The planform of hollow metal pipe arc itself make its single toughness,
Intensity is all relatively good, and then, the overall structure of the bearing frame of many hollow metal pipe combination formation presents from outside to load-bearing
The trend of frame center arc-shaped recess, but because each hollow metal pipe is all to central concave, lead to adjacent hollow metal
Pipe against side be arc evagination side on the contrary, there is good abutment action, the advantage of this structure is, when human body is by seat
Cushion top lateral Chain cushion center position has when being seated in of course of action of horizontal force, be along hollow metal pipe by
Advancing forward in indent position, has the abutment action of adjacent hollow metal tube arc convex side again meanwhile, hollow metal pipe is had
Well protective effect, and alleviate that this kind is seated in the shearing force of posture generation or other factors lead to the impact that it causes become
The problems such as shape, occurs, to ensure structural strength and stability, and when people is sitting in centre position body and outwards moves, force side
To being also by interior traveling in fact along hollow metal pipe, equally there is to hollow metal pipe good protective effect, equally permissible
Ensure structural strength and stability, also, when people sits quietly, the center of gravity of human body is sat because personal sitting posture reason is in seat
Pad central area position, if using square frame-shaped structural supporter in prior art, bracing frame is a fulcrum, on gravity center of human body
Gravity form a lever force substantially and bracing frame between, when people is sitting in Chain cushion central area, the arm of force is longer, by this
Individual lever power works with focusing on central area so that there is very strong sagging trend Chain cushion central area, using shortly
Easily cause its center area deformation, another kind of situation is, the center of gravity of human body is in Chain cushion side due to personal sitting posture reason
Side position, if using the bracing frame of dispersion shape in prior art, also due to supporting structure leads to the lever power works of the long arm of force
With, larger sagging trend can be formed in avris, easily cause edge deformation, and the strong point that the supporting construction of the application is formed
Position is so that after Chain cushion installs, no matter people is sitting in that position, the arm of force between its gravity direction and supporting construction all can
Become very short, leverage very little is it is not easy to deformation, and this structure is simple, with material is few, low cost；Adjacent hollow metal tube
The structure being affixed with side wall, so that have the support of the upper and lower two side walls pressed close in the region of joining place by centre position, is compared
In prior art, by the support frame structure of steel pipe opening head and the tail welding linking, in fact still hollow in its joining place do not go up
Supporting construction between lower, is easily subject to the deformation such as effect of Chain cushion and chair leg in use, and this linking in the application
The design at place, structural strength itself strengthens, and produces preferable supporting role between the upper and lower, if plus supporter again
After lower surface welding in this region, it is subject to human body seat pressure also not allow to be also easy to produce with Chain cushion in use for a long time
The problems such as deformation.
As preferred to the present invention, the solder side of supporter is stitched as center line with the described patch being affixed between the wall of side.So that
Solder side is symmetrically dispersed in patch seam both sides it is ensured that the uniformity of stress, reaches more preferable structural stability, simultaneously adjacent wall
Position also just relative with the center of supporter, support effect between overall structure can be more preferably.
As preferred to the present invention, supporter is intersected with its length direction for be provided with equal with hollow metal pipe of quantity
The solid cylindrical metal part at least upper end of the fixing hole of fork.Should be preferably so that supporter be easy to carry out dismounting even with chair leg
Connect, logistics transportation space can be saved again, cost-effective, the structural strength of this supporter itself is high, propping up after connection simultaneously
Support effect is also preferable, and stability is higher.
As preferred to the present invention, adjacent hollow metal tube is in the upper surface of its joining place and with described adjacent hollow gold
The initial part belonging to pipe arc concave shape and gradually expanding the described patch seam of spacing is welded mutually, and described hollow metal pipe cross section is in square
Shape or square.Welding position on joining place upper surface is so that bearing frame is sheared in the in-plane direction to upper surface
Power play preferable opposing effect so as to be not easy to occur upper surface the deviation of metal tube, dislocation etc. are asked in the in-plane direction
Topic, in the same manner, joining place gradually expands the initial part of described patch seam of spacing with described adjacent hollow metal tube arc concave shape
Welding position is so that bearing frame is not easy appearance between the metal tube on the plane place direction of upper surface
Deviate, dislocation the problems such as, reach and extraordinary be fixedly connected effect, and using rectangular cross-section or foursquare metal tube just
In welding, and bonding strength and fixed effect all maintain, and enabling capabilities also can be preferable.
As preferred to the present invention, middle hollow metal pipe deviates to extend to supporting frame indent side in joining place and is formed
Extension head tube.On the one hand, after adjacent metal pipe can be kept to be connected, the ductility at joining place two ends can be preferable, plays certain
Counterbalance effect it is ensured that the stability of structure, on the other hand, if being tightly to be close to lean between adjacent extension head tube
Live, gap width between 0-0.5mm, then has a good face gear effect, particularly makes some non-standards when human body and sit
During appearance, for example, when a chair leg tilting being led to whole seat to tilt, the gold of the top part in position of substantially this supporting frame
Belong to pipe para-position to put the metal tube of lower portion and be pressed against effect, and now extension head tube can effectively be alleviated this and is pressed against effect
The problems such as deformation producing, another kind of situation is that have bigger gap between adjacent extension head tube, then can be with here
Place is welded so that deviation between the metal tube on the plane place direction of upper surface, mistake in supporting frame
The probability of the problems such as position reduces it is ensured that the firmness of structure and stability in use further.
As preferred to the present invention, the gap between the side wall of the extension head tube of adjacent hollow metal tube is by joining place
It is gradually increased to bearing of trend, maximal clearance value is not more than 3 times of hollow metal pipe pipe thickness.Make the balance of structure more
Good, and more preferable sound construction degree and stability can be reached in this gap by being connected the outside convenient welding of start-up portion.
As preferred to the present invention, the extension head tube that hollow metal pipe is extended with leans on the mouth of pipe outside supporting frame to be provided with
Sealing end cap.Structure within metal tube for this preferred effective protection so as to not easily damaged, if just there being plastic material make,
Also have the effect of certain minimizing noise, and have small support effect between the upper and lower, in addition it appears that also better appearance.
As preferred to the present invention, the bottom outer wall of the extension head tube of adjacent hollow metal tube is furnished with can be simultaneously by phase
Adjacent extension head tube carries out the located lateral block of located lateral, by its upper surface along vertically downward direction on described located lateral block
Offer the embedded groove matching with the continuous pipeline section shape at least one section of bottom of extension head tube.During this is preferred, due to itself
Metal tube is nonlinear pipeline, so embedded groove is also nonlinear, and the extension when two neighboring metal tube
Head tube, after vertical direction embeds same located lateral block, will form to good pre-determined bit effect, and make metal tube
Lateral attitude is fixed, if joining place needs welding at wherein one, the adjacent extension head tube of other joining places by
Located lateral block positions, and the joining place that this need to weld avoids the need for located lateral block positioning, in order to avoid using not being resistant to elevated temperatures material
Expect and high temperature deformation or the situation appearance of direct reaction occur in welding, and, now whole supporting frame structure essence
On formed and had good fixation, in addition, the accuracy of positioning high it is ensured that the planarization of whole framework, have again
Beneficial to the operation of welding, and welding operation simultaneously also will not be affecting the mistake that integral frame structure causes in welding process
The problems such as position, failure welding, in this mode, each joining place is welded and fixed, not only Improving The Quality of Products, but also
Artificial and fund cost can be saved, certainly, when welding joining place, when other have had the joining place being welded, this has welded
Good joining place can not need located lateral block to be positioned, finally, after all welding, located lateral block can take off into
Row recycling plays a secondary fixed effect naturally it is also possible to stay on supporting frame, can also be by design and sealing
End cap forms a unified style, reaches more preferable aesthetic.
As preferred to the present invention, seal end cap and be located at and pass through between the lower end of pipe outer portion and located lateral block lower end
Transition connecting structure links together.Because the effect that located lateral block is laterally intercepted due to embedded groove sidewall in horizontal direction is right
The positioning fixed effect of metal tube is relatively good, in the vertical direction, if metal tube is subject to the ill effect power of vertical direction, also
It is the problems such as above-below direction position would tend to occur move, impact supporting frame structure aligning accuracy, welding convenience degree, entirety
Structural strength etc., if after being attached with sealing end cap, because sealing end cap is locked to metal tube upper-lower position, its
Up and down good positioning effect, horizontal locating effect is poor, easily removes from the mouth of pipe, and both with reference to after just overcome respective fixed
Position is not enough, forms a highly stable positioning and fixing structure it is ensured that the precision of total and firmness, by laterally fixed
The positioning of position block and sealing end cap connect after positioning it is ensured that the locating effect good enough of whole supporting frame, in welding
During greatly reduce the impact of external ill effect power, in addition, after the completion of welding, located lateral block can be with sealing end cap
Stay on metal tube together, and because have transition connecting structure so that three formed integrally play preferably solid to supporting frame
Determine effect, and its integraty is good, carry out unifying the design of style by color etc., there is more preferable aesthetics.
As preferred to the present invention, supporting frame only comprises four hollow metal pipes of tandem array, is formed at least left
Right symmetrical structure, the minimum spacing between the relative hollow metal pipe corresponding position in left and right is the 1/3 ~ 1/2 of its maximum spacing；
It is respectively provided with two on the relative hollow metal pipe in described left and right to connect for the installation installing connection cushion respectively close to its mouth of pipe
Connect hole, on the relative hollow metal pipe in left and right, one of distance installing the connecting hole mouth of pipe close with it is more than or equal to
Another installs 1.5 times of connecting hole and the distance of its close mouth of pipe.Should be preferably so that after metal tube linking, the holding of formation
The interior exterior domain of weight framework is reasonably separated so that no matter which kind of sitting posture human body takes, and all Chain cushion can be deformed
Play good preventive effect with malformation itself, also allow for installation, structural strength height simultaneously.
Beneficial effects of the present invention: 1, overall structure is simply firm, consumptive material is few, easily manufactured, low production cost；
2nd, overall structure is easy to dismount, and logistics space greatlys save, and the scope of application is wider；
3rd, support frame structure intensity is high, good stability, and support effect is good, and bearing capacity is strong；
4th, support frame structure does not allow yielding, dislocation, and the Chain cushion after installing with it is not easy to deform, and flatness is high,
Using more comfortable；
5th, aesthetics is high, has certain noise reduction function.
Brief description
Fig. 1 is the perspective view during assembled state of the embodiment of the present invention 1；
Fig. 2 is the perspective view during vertical view of cushion support in the embodiment of the present invention 1；
Fig. 3 is perspective view when looking up of cushion support in the embodiment of the present invention 1；
Fig. 4 is the perspective view of the cushion support optimal way one of the embodiment of the present invention 2；
Fig. 5 is the perspective view of the cushion support optimal way two of the embodiment of the present invention 2；
Fig. 6 is the enlarged drawing at i in Fig. 5；
Fig. 7 is the one of which transition connecting structure assembling schematic diagram of the embodiment of the present invention 3；
Fig. 8 is the wherein another kind of transition connecting structure assembling schematic diagram of the embodiment of the present invention 3.
In figure: 11, hollow metal pipe, 1, supporting frame, 2, supporter, 20, fixing hole, 110, extension head tube, 3, envelope
Mouthful end cap, 4, located lateral block, 40, embedded groove, 5, connecting hole is installed, 31, buckle into body, 32, external baffle body, 60, upper weld part,
61st, concave side weld part, 62, lower weld part, 63, extend weld part, 7, flap, 8, extension board, 91, chair leg, 92, medicated cushion,
910th, slot, 911, perforation.
Specific embodiment
Specific examples below is only explanation of the invention, and it is not limitation of the present invention, art technology
Personnel can make to the present embodiment after reading this specification as needed does not have the modification of creative contribution, but as long as
All protected by Patent Law in scope of the presently claimed invention.
Embodiment 1, as shown in Figure 1, 2, 3, a kind of reassembling type seat, by seat body, cushion support and 91 groups of chair leg
Become, seat body includes the medicated cushion 92 for accepting human body buttockss thigh, and cushion support up can be dismounted with medicated cushion phase, medicated cushion
Bracing frame under mutually can dismount with chair leg 91, cushion support, the tool being mutually linked and being formed including 4 hollow metal pipes 11
There is the supporting frame 1 of flat upper surface and be fixed on supporting frame 1 lower surface for the supporter 2 being connected with chair leg 91, support
Body 2 equally can be made using ferrous materials, and hollow metal pipe 11 can preferably employ steel pipe, and hollow metal pipe 11 is to load-bearing frame
Frame 1 central arcuate indent, and indent hollow metal pipe 11 tandem array successively, joining place formed adjacent hollow metal tube 11 with
The structure that side wall is affixed；Supporter 2 by above-below direction with its upper end be welded on adjacent hollow metal tube 11 be affixed side wall phase
The lower surface of adjacent diapire.Supporting frame 1 can be tightened by having installation connecting hole 5 blending bolt on hollow metal pipe 11
Fix medicated cushion 92 etc. mode, medicated cushion 92 has corresponding hole, be easy to dismount；Supporter 2 can be by modes such as fluting, perforates
Connect chair leg.The solder side of supporter 2 is stitched as center line with the patch being affixed between the wall of side.A kind of optimal way, supporter 2 is quantity
The solid cylindrical metal in equal with the hollow metal pipe 11 at least upper end being provided with the fixing hole 20 intersecting with its length direction
Part, chair leg 91 has the slot 910 for supporter 2 insertion on supporting direction and wears with supporting direction crisscross offering
Cross the perforation 911 corresponding with fixing hole 20 of the slot 910 of chair leg 91 and its inside, fixing hole 20 can be passed through by bolt and wear
Hole 911 simultaneously is carried out with nut installing fixation.Adjacent hollow metal tube 11 is in the upper surface of its joining place and with adjacent hollow metal
Pipe 11 arc concave shape and the initial part that gradually expands the patch seam of spacing is welded mutually, hollow metal pipe 11 cross section is rectangular or just
Square.Supporting frame 1 only comprises four hollow metal pipes 11 of tandem array, forms at least symmetrical structure, left and right phase
To hollow metal pipe 11 corresponding position between minimum spacing be the 1/3 ~ 1/2 of its maximum spacing.The relative hollow gold in left and right
Belong to and be respectively provided with two respectively close to its mouth of pipe for installing the installation connecting hole 5 of connection cushion, during left and right is relative on pipe 11
On empty metal tube 11, one of distance installing connecting hole 5 mouth of pipe close with it is connected more than or equal to another installation
1.5 times of hole 5 and the distance of its close mouth of pipe, when being on the one hand easy to user or businessman etc. and voluntarily seat tool load-bearing pad being installed,
On the other hand the problems such as preventing seat tool load-bearing pad front and back position and overturn, ensure structural strength, also incline beneficial to seat tool load-bearing pad
Support when tiltedly arranging.
Preferably a kind of production method is the hollow metal of the physical dimension required for first cutting intercepts in process of production
Pipe 11 and supporter 2 are simultaneously held successfully respectively for structures such as the holes connecting, and subsequently, adjacent hollow metal tube 11 is in its joining place
Upper surface is welded first, weld part 60 in formation, more gradually expands spacing with adjacent hollow metal tube 11 arc concave shape
The adjacent outer wall of initial part of patch seam between carry out welding and form concave side weld part 61, then with supporter 2 adjacent hollow
The patch that metal tube 11 is affixed between the wall of side is stitched as center line, by supporter 2 upper end be welded on adjacent hollow metal tube 11 be affixed
Lower weld part 62 is formed on the lower surface of the adjacent diapire of side wall, of course, it is possible to upper weldering is carried out respectively successively to each joining place
The welding operation of socket part 60, concave side weld part 61 and lower weld part 62 it is also possible to, upper weldering is first carried out to the unification of all joining places
The welding operation of socket part 60, then unification carries out the welding operation of concave side weld part 61, finally carries out lower weld part in unification
62 welding operation, you can produce this cushion support, reconnects chair leg 91 by cushion support and includes medicated cushion 92
In interior seat body.
Embodiment 2, as shown in Figure 4,5, 6, it is with the difference of embodiment 1: hollow metal pipe 11 deviates from joining place
Extend to supporting frame 1 indent side and form extension head tube 110, the extension head tube 110 that hollow metal pipe 11 is extended with is leaned on
The supporting frame 1 outside mouth of pipe is provided with sealing end cap 3.Optimal way one, is designed to tightly suffer between adjacent extension head tube 110
And lean on, gap width between 0-0.5mm, then has a good face gear effect, particularly to make some non-when human body
During specification sitting posture, for example, when a chair leg tilting being led to whole seat to tilt, the top portion in position of substantially this supporting frame
The metal tube that lower portion is put in the metal tube meeting para-position dividing is pressed against effect, and now extension head tube 110 can effectively be alleviated
The problems such as deformation that this effect of being pressed against produces；Optimal way two, has bigger gap between adjacent extension head tube 110,
So can be welded herein, be formed and extend weld part 63 so that the plane institute perpendicular to upper surface in supporting frame 1
The probability of the problems such as deviation between the metal tube on direction, dislocation reduces further it is ensured that the firmness of structure and making
With stability, it is furthermore preferred that the gap between the side wall of the extension head tube 110 of adjacent hollow metal tube 11 is from joining place to prolonging
Stretch direction to be gradually increased, maximal clearance value is not more than 3 times of hollow metal pipe 11 pipe thickness, the wall of adjacent hollow metal tube 11
Thickness is set to 1mm, then maximal clearance value is not more than 3mm.Further, the extension head tube 110 of adjacent hollow metal tube 11
Bottom outer wall is furnished with the located lateral block 4 that adjacent extension head tube 110 can carry out located lateral simultaneously, on located lateral block 4
Offered along vertically downward direction by its upper surface and match with the continuous pipeline section shape at least one section of bottom of extension head tube 110
Embedded groove 40.Using each joining place is carried out respectively successively with all weld jobs, extend weld part 63 and lower weld part 62
As two welding operations in same step, it is not required to successively order, in whole welding procedure, joining place needs at wherein one
Before welding, the adjacent extension head tube 110 of other joining places is pre-aligned by located lateral block 4, this joining place that need to weld
Avoid the need for located lateral block 4 to position, so as not to as using be not resistant to elevated temperatures plastics material and in welding high temperature deformation or
The situation of person's direct reaction occurs, and, now whole supporting frame 1 structure has substantially formed and has had and fixed well
Effect, in addition, the accuracy of positioning is high is conducive to, it is ensured that the planarization of whole framework, the operation welded again, and welding operation
Simultaneously also will not affecting the problems such as dislocation, failure welding that integral frame structure causes in welding process, in this mode,
Each joining place is welded and fixed, not only Improving The Quality of Products, and artificial and fund cost can also be saved, certainly, when
During welding joining place, when other have had the joining place being welded, the joining place that this has welded can not need located lateral
Block 4 is positioned, and after being all welded, located lateral block 4 can be taken off and be reused naturally it is also possible to be stayed load-bearing
One secondary fixed effect is played on framework 1, a unified style can also be formed with sealing end cap 3 by design, reach more
Good aesthetic.Sealing end cap 3 can adopt plastic material lid.In addition, sealing end cap 3 can preferably employ to have and buckle into
Metal pipe mouth buckle into body 31 and the structure by the external baffle body 32 in outside in metallic conduit being located at outside the mouth of pipe, sealing end cap 3 can
Completed with finally buckling into hollow metal pipe 11 and carrying out sealing operation, further, at the adjacent mouth of pipe of adjacent hollow metal tube 11
Sealing end cap 3 can be arranged to conjoined structure, be the part of an integrally connected, manufactured by the mode such as being integrally formed, should
Structure is advantageous in that, in welding process, can be buckled into sealing end cap 3 integrally connected when located lateral block 4 positions
The disjunctor end cap of structure, so that adjacent hollow metal tube 11 to together, has a locating effect, particularly makes in above-below direction
Adjacent hollow metal tube 11 upper-lower position be relatively firmly fixed it is ensured that adjacent hollow metal tube will not produce misplace up and down with
Reach preferable flatness, in addition, laterally also play the role of certain frictional resistance plays certain resistance to movement, be accurately positioned and go forward side by side
Row welding job, in addition, similar with located lateral block 4, if the cap material adopting is plastics, welding certain linking
During place, herein without buckling into end cap, other joining places all can buckle into end cap and pre-fix, in order to avoid welding carries out high temperature to end cap
The situation of deformation or direct reaction occurs, and after being welded, each joining place should buckle into end cap can be produced this medicated cushion and prop up
Support, reconnects chair leg 91 and the seat body including medicated cushion 92 by cushion support.
Embodiment 3, as shown in Figure 7,8, it is with the difference of embodiment 2: sealing end cap 3 is located at the lower end of pipe outer portion
And located lateral block 4 is linked together by transition connecting structure between lower end.Due to located lateral block 4 horizontal direction due to
The effect that embedded groove 40 side wall laterally intercepts is relatively good to the positioning fixed effect of metal tube, and in the vertical direction, if metal
Pipe is subject to the ill effect power of vertical direction, still would tend to occur above-below direction position mobile the problems such as, affect supporting frame 1
Structure aligning accuracy, welding convenience degree, overall construction intensity etc., if after being attached with sealing end cap 3, due to sealing end
Lid 3 is locked to metal tube upper-lower position, its upper and lower good positioning effect, and horizontal locating effect is poor, easily moves from the mouth of pipe
Go out, and both just to overcome respective positioning after combining not enough, form a highly stable positioning and fixing structure it is ensured that whole
The precision of individual structure and firmness, the positioning after the positioning of located lateral block 4 and sealing end cap 3 connect is it is ensured that whole
The locating effect good enough of individual supporting frame, greatly reduces the impact of external ill effect power in welding process, in addition,
After the completion of welding, located lateral block 4 can be stayed on metal tube together with sealing end cap 3, and because there being transition connecting structure, makes
Obtain three's formation and integrally play the preferable fixed effect to supporting frame 1, and its integraty is good, is unified by color etc.
The design of style, has more preferable aesthetics.Transition connecting structure can pass through one block of flap 7, with sealing end cap 3 or horizontal stroke
It is provided with mortise head to the junction of locating piece 4, then mortice opening on sealing end cap 3 and located lateral block 4, just can achieve, or
Person is directly to be integrally formed one piece of extension board 8 in sealing end cap 3, is provided with the tenon being connected with located lateral block 4 on extension board 8
Head, located lateral block 4 has corresponding tongue-and-groove, also can achieve.Above-mentioned sealing end cap 3, located lateral block 4 and flap 7 are excellent
Choosing is using same material, such as plastic sheet class.In addition, same joining place adjacent sealing end cap 3 can using one
Molding forms the structure of disjunctor end cap, to obtain more preferable positioning fixed effect.
Claims (5)
1. a kind of reassembling type seat, is made up of seat body, cushion support and chair leg, and described seat body is included for accepting
The medicated cushion of human body buttockss thigh, described cushion support up can be dismounted with described medicated cushion phase, and described cushion support is in lower section
Can with leg phase dismounting it is characterised in that: cushion support includes being mutually linked and shape by four hollow metal pipes (11)
Become is had the supporting frame (1) of flat upper surface and is fixed on described supporting frame (1) lower surface for being connected with chair leg
Supporter (2), four described hollow metal pipes (11) are to described supporting frame (1) central arcuate indent, and described indent hollow
Metal tube (11) tandem array successively, forms, in described joining place, the structure that adjacent hollow metal tube (11) is affixed with side wall；Institute
State supporter (2), by above-below direction, the upper bottom adjacent with being affixed side wall of described adjacent hollow metal tube (11) is welded in its upper end
The lower surface of wall, the solder side of supporter (2) is stitched as center line with the patch being affixed between the wall of side, and supporter (2) is quantity and hollow
The solid cylindrical metal portion at least upper end of what metal tube (11) was equal the be provided with fixing hole (20) intersecting with its length direction
Part, adjacent hollow metal tube (11) the upper surface of its joining place and with described adjacent hollow metal tube (11) arc concave shape by
The initial part of the described patch seam of the big spacing of flaring is welded mutually, and described hollow metal pipe (11) cross section is rectangular or square,
Hollow metal pipe (11) joining place deviate to supporting frame (1) indent side extend formed extension head tube (110), adjacent in
Gap between the side wall of extension head tube (110) of empty metal tube (11) is gradually increased from joining place to bearing of trend, maximum
Gap width is not more than 3 times of hollow metal pipe (11) pipe thickness and maximal clearance value is not more than 3mm.
2. a kind of reassembling type seat according to claim 1 it is characterised in that: hollow metal pipe (11) is extended with extension
Head tube (110), described extension head tube (110) leans on the mouth of pipe outside supporting frame (1) to be provided with sealing end cap (3).
3. a kind of reassembling type seat according to claim 2 it is characterised in that: the extension of adjacent hollow metal tube (11)
The bottom outer wall of head tube (110) is furnished with the located lateral block that adjacent extension head tube (110) can carry out located lateral simultaneously
(4), described located lateral block (4) is offered the bottom with extension head tube (110) along vertically downward direction by its upper surface
The embedded groove (40) that at least one section continuous pipeline section shape matches.
4. a kind of reassembling type seat according to claim 3 it is characterised in that: sealing end cap (3) is located at pipe outer portion
Linked together by transition connecting structure between lower end and located lateral block (4) lower end.
5. a kind of reassembling type seat according to claim 4 it is characterised in that: supporting frame (1) only comprises tandem array
Four hollow metal pipes (11), formed at least symmetrical structure, left and right relative hollow metal pipe (11) corresponding position
Between minimum spacing be the 1/3 ~ 1/2 of its maximum spacing；It is respectively provided with two on the relative hollow metal pipe in described left and right (11)
Respectively close to its mouth of pipe for installing the installation connecting hole (5) of connection cushion, it is gone up in the relative hollow metal pipe in left and right (11)
In one connecting hole (5) be installed be more than or equal to another with the distance of its close mouth of pipe connecting hole (5) and its institute are installed
1.5 times of the distance of the close mouth of pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410237018.3A CN103989337B (en) | 2014-05-30 | 2014-05-30 | Demountable chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410237018.3A CN103989337B (en) | 2014-05-30 | 2014-05-30 | Demountable chair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103989337A CN103989337A (en) | 2014-08-20 |
| CN103989337B true CN103989337B (en) | 2017-02-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410237018.3A Active CN103989337B (en) | 2014-05-30 | 2014-05-30 | Demountable chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103989337B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203934900U (en) * | 2014-05-30 | 2014-11-12 | 浙江德慕家具有限公司 | A kind of tool load-bearing pad supporting construction |
| CN105029938B (en) * | 2015-08-28 | 2017-10-03 | 浙江德慕家具有限公司 | Support member for thing to sit on |
| CN105124964B (en) * | 2015-09-10 | 2017-10-10 | 蔡娟丽 | A kind of chair supporting structure, component and chair |
| CN106828213A (en) * | 2016-12-23 | 2017-06-13 | 开平市春山汽车座椅有限公司 | A kind of modular assembly formula automotive seat for being easy to assemble and disassemble and repair |
| CN107736760A (en) * | 2017-09-27 | 2018-02-27 | 浙江安立博休闲用品有限公司 | A kind of children's seat |
| CN107898194A (en) * | 2017-12-20 | 2018-04-13 | 浙江粤强家具科技有限公司 | A kind of office seating for exempting from group handrail with rotary folding |
| CN108402752A (en) * | 2018-05-18 | 2018-08-17 | 浙江粤强家具科技有限公司 | A kind of stool convenient for adjustment |
| CN108937279A (en) * | 2018-07-19 | 2018-12-07 | 郑州科技学院 | A kind of chair of fast and easy dismounting |
| CN211673285U (en) * | 2020-03-11 | 2020-10-16 | 欧明福 | Novel public chair leg |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201798306U (en) * | 2010-09-08 | 2011-04-20 | 康定军 | I-shaped arc support plate for seat |
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| US3669496A (en) * | 1970-12-03 | 1972-06-13 | American Desk Mfg Co | Chair and seat and back unit therefor |
| CN2393408Y (en) * | 1999-11-15 | 2000-08-30 | 李克民 | Combined chair |
| EP1201162A3 (en) * | 2000-10-19 | 2003-11-19 | Vitra Patente AG | Seat made of glue-laminated plywood |
| US20070063112A1 (en) * | 2005-09-19 | 2007-03-22 | Pfi Group | Collapsible furniture frame method and apparatus |
| CN201171502Y (en) * | 2008-02-18 | 2008-12-31 | 萧芳荣 | Easy assembled bath chair |
| CN201365699Y (en) * | 2009-01-14 | 2009-12-23 | 黄淑女 | Improved structure of chair |
| CN202874554U (en) * | 2012-08-24 | 2013-04-17 | 雷春燕 | Chair |
| CN103405058B (en) * | 2013-08-30 | 2016-03-02 | 安吉艺维斯家具有限公司 | A kind of chair |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201798306U (en) * | 2010-09-08 | 2011-04-20 | 康定军 | I-shaped arc support plate for seat |
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|---|---|
| CN103989337A (en) | 2014-08-20 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A detachable seat Effective date of registration: 20220803 Granted publication date: 20170201 Pledgee: Industrial Commercial Bank of China Ltd. Anji branch Pledgor: ZHEJIANG DEMU FURNITURE Co.,Ltd. Registration number: Y2022330001618 |
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