CN205410458U - Pull extension type folding chair - Google Patents
Pull extension type folding chair Download PDFInfo
- Publication number
- CN205410458U CN205410458U CN201520961432.9U CN201520961432U CN205410458U CN 205410458 U CN205410458 U CN 205410458U CN 201520961432 U CN201520961432 U CN 201520961432U CN 205410458 U CN205410458 U CN 205410458U
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- China
- Prior art keywords
- pull
- fin
- connecting rod
- hinged
- plastic inner
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Abstract
The utility model provides a pull extension type folding chair, handrail, back connecting rod, intermediate connecting rod, front rod, back link, handrail including both sides, its bottom is equipped with the slide bar parallel with the handrail, and slidable is equipped with the articulated hasp that slides on the slide bar, skeleton and back skeleton before the articulated hasp lower extreme that slides is equipped with, the intermediate connecting rod, its front portion and going to the bottom of rear portion all are equipped with the lifting hook, are equipped with the enhancement straight -bar between the lifting hook, are equipped with the pull connecting rod that can be on a parallel with the intermediate connecting rod and pull out the extension on the lifting hook, the pull connecting rod, it stretches out bottom of a matter portion and is equipped with the support link that can turn over the book and draw in in. The utility model provides a pull extension type folding chair, the not enough optimization rationally of folding chair overall structure of solving prior art, the installation is dismantled inconveniently, and the easy fracture fault of coupling mechanism of folding chair leads to short, the relatively poor problem of quality of folding chair life -span simultaneously.
Description
Technical field
This utility model relates to folding seat manufacturing technology field, is specially a kind of pull extended pattern folding seat.
Background technology
The overall construction design of folding seat, determine the most smooth and easy convenience of folding seat installing/dismounting, connection or linkwork between the different support bars of folding seat are to determine folding seat life-span and the most critical factor of quality simultaneously, the folding chair structure design of prior art is unreasonable, adopt more and be made of plastic, its slide hinged parts used there is also the problem being easily broken off with fault simultaneously, therefore, need to be optimized overall structure and the bindiny mechanism of folding seat, making folding seat installing/dismounting more convenient, the life-span is longer.
Utility model content
For the problems referred to above, this utility model provides a kind of pull extended pattern folding seat, and the folding seat overall structure solving prior art optimizes rationally not, and installing/dismounting is inconvenient, the bindiny mechanism of folding seat is easily broken off fault simultaneously, causes the problem that the folding seat life-span is shorter, second-rate.
The technical solution adopted in the utility model is, including the handrail on both sides, back linkage, intermediate connecting rod, front rod, back link, handrail, the sliding bar parallel with above-mentioned handrail it is provided with bottom it, slidably being provided with slide hinged snap close on above-mentioned sliding bar, above-mentioned slide hinged snap close lower end is provided with above-mentioned front skeleton and above-mentioned back skeleton；Intermediate connecting rod, going to the bottom of its front and rear is equipped with suspension hook, is provided with reinforcement straight-bar between above-mentioned suspension hook, and above-mentioned suspension hook is provided with and can be parallel to the pull connecting rod that the pull-out of above-mentioned intermediate connecting rod extends；Pull connecting rod, is provided with the support link that can turn down gathering bottom its external part.
Further, above-mentioned slide hinged snap close includes plastic inner pipe；The outer tube wall of above-mentioned plastic inner pipe one end is provided with annular groove, and above-mentioned groove is embedded with the metal outer pipe being coaxially disposed with above-mentioned plastic inner pipe, and the sidewall of above-mentioned metal outer pipe is additionally provided with for hinged U-shaped hinged fin, and above-mentioned hinged fin is provided with hinge hole；Running through on above-mentioned plastic inner pipe other end axis and be provided with groove, the bared end of plastic inner pipe is divided into two symmetrical retaining ring limits by above-mentioned groove；The lock sleeve of quick releasable or locking it is cased with outside above-mentioned retaining ring limit.
Further, above-mentioned lock sleeve includes C-shaped ring, above-mentioned C-shaped ring be respectively arranged at two ends with an erecting bed, it is provided with tie down screw between above-mentioned erecting bed, one end of above-mentioned tie down screw is provided with nut piece with threaded hole, above-mentioned nut piece is vertically connected with the rotary shaft of lock cam pivot center, and above-mentioned lock cam is additionally provided with hand spanner.
Further, the end of the external part at least one above-mentioned retaining ring limit is additionally provided with block arc；Many first spring steel plates parallel with above-mentioned plastic inner pipe axis it are provided with inside above-mentioned plastic inner pipe tube wall；Above-mentioned metal outer pipe is provided with hole, location, and hole, above-mentioned location is provided with locating piece, and above-mentioned locating piece is arranged at the lateral wall of above-mentioned plastic inner pipe；Stop collar also it is arranged with outside above-mentioned tie down screw.
Further, being additionally provided with fin erecting bed between above-mentioned metal outer pipe and hinged fin, above-mentioned fin erecting bed is rectangle short tube shape, and its one end is provided with curved weld portion, and the other end is provided with the fin location notch hole for positioning above-mentioned hinged fin；It is additionally provided with the fin for fixing hinged fin on above-mentioned fin erecting bed and bolt is installed.
Further, above-mentioned bindiny mechanism includes that working of plastics, the sidewall of above-mentioned working of plastics are coated with metalwork；Above-mentioned metalwork, its sidewall is provided with fin；Above-mentioned working of plastics, is provided with the pilot hole slid through for folding seat skeleton in it, its one end is provided with the first flange preventing above-mentioned metalwork from skidding off, and its other end is provided with the second flange.
Further, being additionally provided with resilient sleeve in above-mentioned pilot hole, resilient sleeve two ends are provided with annular flange, and above-mentioned annular flange is arranged on the annular heavy stand face that above-mentioned pilot hole two ends are arranged, and the lateral wall of above-mentioned resilient sleeve is additionally provided with projection；Being additionally provided with the groove parallel with above-mentioned pilot hole axis on above-mentioned working of plastics pilot hole hole wall, in the above-mentioned protruding above-mentioned groove of grafting, above-mentioned metalwork is circular or rectangular hollow tube, and its fin is additionally provided with the through hole for fastening.
Further, above-mentioned metalwork be cross section be open circles annular, its two ends connect above-mentioned second fin respectively；Above-mentioned working of plastics be cross section be C font, be provided with the inner frame that C font the second spring steel plate is made in it.
Further, above-mentioned slide hinged snap close includes the installation pipe being enclosed within outside above-mentioned sliding bar, above-mentioned installation pipe lower wall is provided with location-plate, on location-plate, hollow out is provided with sawtooth location tooth bar down, being connected with locating shaft on the tooth bar of above-mentioned location, above-mentioned locating shaft two ends are hinged with above-mentioned front skeleton and above-mentioned back skeleton respectively.
Further, between two above-mentioned front rods, it is provided with the first ground link, between the first ground link and front rod, is provided with the first L-type grafting set；It is provided with the second ground link between two above-mentioned back links, between the second ground link and back link, also is provided with the second L-type grafting set.
Compared with prior art, a kind of pull extended pattern folding seat that this utility model provides, there is reasonable in design, easy installation and removal, folding seat intensity is high, it is not easy to fatigue fracture phenomenon, folding seat life-span length, the advantage that quality is high occur.
Accompanying drawing explanation
Fig. 1 is schematic perspective view of the present utility model.
Fig. 2 is the axonometric chart of slide hinged snap close of the present utility model.
Fig. 3 is the schematic diagram of lock cam in Fig. 2.
Fig. 4 is the partial schematic sectional view of plastic inner pipe of the present utility model and metal outer pipe.
Fig. 5 is the second schematic diagram of slide hinged snap close in embodiment 3.
Detailed description of the invention
Elaborate a lot of detail in the following description so that fully understanding this utility model.But this utility model can be implemented to be much different from alternate manner described here, those skilled in the art can do similar popularization in the case of this utility model intension, and therefore this utility model is not limited by following public specific embodiment.
Below in conjunction with the accompanying drawings and embodiment, detailed description of the invention of the present utility model is described further.
Embodiment 1
In the present embodiment, in conjunction with accompanying drawing, structure of the present utility model is described in detail.
Embodiment 1
As it can be seen,
The technical solution adopted in the utility model is, including the handrail 1 on both sides, back linkage 2, intermediate connecting rod 16, front rod 9, back link 6, handrail 1, the sliding bar parallel with handrail it is provided with bottom it, slidably being provided with slide hinged snap close 5 on sliding bar, slide hinged snap close 5 lower end is provided with front rod 9 and back link 6；Intermediate connecting rod 16, going to the bottom of its front and rear is equipped with suspension hook 13, is provided with reinforcement straight-bar 12 between suspension hook 13, and suspension hook 13 is provided with and can be parallel to the pull connecting rod 15 that intermediate connecting rod 16 pull-out extends；Pull connecting rod 15, is provided with the support link 14 that can turn down gathering bottom its external part.
As preferred implementation of the present utility model, slide hinged snap close 5 includes plastic inner pipe 5-1；The outer tube wall of plastic inner pipe 5-1 one end is provided with annular groove, groove is embedded with metal outer pipe 5-2 being coaxially disposed with plastic inner pipe, the sidewall of metal outer pipe 5-2 is additionally provided with for hinged U-shaped hinged fin 5-3, can connect metal outer pipe 5-2 and hinged fin 5-3 in the way of using welding, hinged fin is provided with hinge hole；Running through on plastic inner pipe 5-1 other end axis and be provided with groove 5-4, the bared end of plastic inner pipe 5-1 is divided into two symmetrical retaining ring limit 5-5 by groove 5-4；The lock sleeve of quick releasable or locking it is cased with outside the 5-5 of retaining ring limit.When being embodied as, sliding bar inserts in plastic inner pipe 5-1.The hinge hole of the most hinged fin passes through the most hinged front rod of bearing pin 9 and back link 6.
As preferred implementation of the present utility model, lock sleeve includes C-shaped ring 5-6, C-shaped ring 5-6 be respectively arranged at two ends with an erecting bed 5-7, tie down screw 5-8 it is provided with between erecting bed 5-7, one end of tie down screw 5-8 is provided with nut piece 5-10 with threaded hole, nut piece 5-10 is vertically connected with rotary shaft 5-12 of lock cam 5-11 pivot center, and lock cam 5-11 is additionally provided with hand spanner 5-13.When being embodied as, when slide hinged snap close 5 moves to the position needed time, rotating hand spanner 5-13, lock sleeve is by locked on sliding bar for retaining ring limit 5-5.
As preferred implementation of the present utility model, the end of the external part of at least one retaining ring limit 5-5 is additionally provided with block arc 5-5-1；The many first spring steel plate 5-1-1s parallel with plastic inner pipe axis it are provided with inside plastic inner pipe 5-1 tube wall；Metal outer pipe 5-2-1 is provided with hole, location, is provided with locating piece in the hole 5-2-1 of location, and locating piece is arranged at the lateral wall of plastic inner pipe；Stop collar 5-9 also it is arranged with outside tie down screw 5-8.
As preferred implementation of the present utility model, between two front rods 9, it is provided with the first ground link 11, between the first ground link 11 and front rod 9, is provided with the first L-type grafting set 10；It is provided with the second ground link 11 between two back links 6, between the second ground link 11 and back link 6, is provided with the second L-type grafting set 7.
Embodiment 2
In conjunction with the embodiments 1, fin erecting bed 5-14 it is additionally provided with between metal outer pipe 5-2 and hinged fin 5-3, fin erecting bed 5-14 is rectangle short tube shape, and its one end is provided with curved weld portion 5-14-1, and the other end is provided with the fin location notch hole 5-14-2 for positioning hinged fin；It is additionally provided with the fin for fixing hinged fin on fin erecting bed 5-14 and bolt 5-14-3 is installed.Can be according to the specification of chair, the hinged fin that quick-replaceable is different, mates different assembly spaces, improves the versatility of parts.
Embodiment 3
Other structures are in the same manner as in Example 1, the most slide hinged snap close is different, slide hinged snap close includes the installation pipe 17 being enclosed within outside sliding bar, pipe 17 lower wall is installed and is provided with location-plate 18, on location-plate 18, hollow out is provided with sawtooth location tooth bar 19 down, being connected with locating shaft 20 on the tooth bar 19 of location, locating shaft 20 two ends are hinged with front rod 9 and back link 6 respectively.Time specifically used, installing pipe 17 can be integrally fixed with sliding bar.Locating shaft 20 is stuck in the tooth space of tooth bar.
Although this utility model is open as above with preferred embodiment; but it is not for limiting this utility model; any those skilled in the art are without departing from spirit and scope of the present utility model; can make possible variation and amendment, protection domain the most of the present utility model should be defined in the range of standard with this utility model claim.
Claims (7)
1. a pull extended pattern folding seat, including both sides handrail, back linkage, intermediate connecting rod, front rod, back link, it is characterized in that,
Handrail, is provided with the sliding bar parallel with described handrail bottom it, described sliding bar is slidably provided with slide hinged snap close, and described slide hinged snap close lower end is provided with front skeleton and back skeleton；
Intermediate connecting rod, going to the bottom of its front and rear is equipped with suspension hook, is provided with reinforcement straight-bar between described suspension hook, and described suspension hook is provided with and can be parallel to the pull connecting rod that the pull-out of described intermediate connecting rod extends；
Pull connecting rod, is provided with the support link that can turn down gathering bottom its external part.
A kind of pull extended pattern folding seat the most according to claim 1, it is characterised in that described slide hinged snap close includes plastic inner pipe；
The outer tube wall of described plastic inner pipe one end is provided with annular groove, and described groove is embedded with the metal outer pipe being coaxially disposed with described plastic inner pipe, and the sidewall of described metal outer pipe is additionally provided with for hinged U-shaped hinged fin, and described hinged fin is provided with hinge hole；
Running through on described plastic inner pipe other end axis and be provided with groove, the bared end of plastic inner pipe is divided into two symmetrical retaining ring limits by described groove；The lock sleeve of quick releasable or locking it is cased with outside described retaining ring limit.
A kind of pull extended pattern folding seat the most according to claim 2, it is characterized in that, described lock sleeve includes C-shaped ring, described C-shaped ring be respectively arranged at two ends with an erecting bed, it is provided with tie down screw between described erecting bed, one end of described tie down screw is provided with nut piece with threaded hole, and described nut piece is vertically connected with the rotary shaft of lock cam pivot center, and described lock cam is additionally provided with hand spanner.
A kind of pull extended pattern folding seat the most according to claim 3, it is characterised in that the end of the external part at least one described retaining ring limit is additionally provided with block arc；Many first spring steel plates parallel with described plastic inner pipe axis it are provided with inside described plastic inner pipe tube wall；Described metal outer pipe is provided with hole, location, and hole, described location is provided with locating piece, and described locating piece is arranged at the lateral wall of described plastic inner pipe；Stop collar also it is arranged with outside described tie down screw.
5. according to a kind of pull extended pattern folding seat described in claim 2 or 4, it is characterized in that, fin erecting bed it is additionally provided with between described metal outer pipe and hinged fin, described fin erecting bed is rectangle short tube shape, its one end is provided with curved weld portion, and the other end is provided with the fin location notch hole for positioning described hinged fin；It is additionally provided with the fin for fixing hinged fin on described fin erecting bed and bolt is installed.
A kind of pull extended pattern folding seat the most according to claim 1, it is characterized in that, described slide hinged snap close includes the installation pipe being enclosed within outside described sliding bar, described installation pipe lower wall is provided with location-plate, on location-plate, hollow out is provided with sawtooth location tooth bar down, being connected with locating shaft on the tooth bar of described location, described locating shaft two ends are hinged with described front skeleton and described back skeleton respectively.
A kind of pull extended pattern folding seat the most according to claim 1, it is characterised in that be provided with the first ground link between two described front rods, be provided with the first L-type grafting set between the first ground link and front rod；It is provided with the second ground link between two described back links, between the second ground link and back link, also is provided with the second L-type grafting set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520961432.9U CN205410458U (en) | 2015-11-29 | 2015-11-29 | Pull extension type folding chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520961432.9U CN205410458U (en) | 2015-11-29 | 2015-11-29 | Pull extension type folding chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205410458U true CN205410458U (en) | 2016-08-03 |
Family
ID=56535394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520961432.9U Expired - Fee Related CN205410458U (en) | 2015-11-29 | 2015-11-29 | Pull extension type folding chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205410458U (en) |
-
2015
- 2015-11-29 CN CN201520961432.9U patent/CN205410458U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160803 Termination date: 20171129 |