CN208318775U - Plastic chair - Google Patents
Plastic chair Download PDFInfo
- Publication number
- CN208318775U CN208318775U CN201721111852.3U CN201721111852U CN208318775U CN 208318775 U CN208318775 U CN 208318775U CN 201721111852 U CN201721111852 U CN 201721111852U CN 208318775 U CN208318775 U CN 208318775U
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- CN
- China
- Prior art keywords
- chair
- chair back
- plug tenon
- leg
- fixedly connected
- Prior art date
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Abstract
The utility model discloses a kind of plastic chair, including chair seat frame, chair seat frame realizes support by chair leg after two front chair legs and two；Chair back rack is fixedly connected at the top of chair leg afterwards；Chair back rack is fixedly connected with two handrails；Handrail is located at the top of chair seat frame；Chair back rack is fixedly connected with the wooden chair back；It is molded with metal hollow pipe at the top of chair leg after described, metal hollow pipe can extend into chair back rack.Plastics are injected the inner cavity of metal hollow pipe in injection moulding process and wrap metal hollow pipe, plastic chair can be made more durable by being fixedly connected between chair leg and chair back rack after the utility model is realized by metal hollow pipe.
Description
Technical field
The utility model relates to a kind of plastic chairs.
Background technique
Since plastic material itself has certain elasticity, so plastic chair is easy to deform when in use.In addition,
For installing soft backrest among chair back rack, soft backrest is fixed on chair back rack by decoration big gun nail, and screw or decoration big gun nail are very
Difficulty is screwed into the chair back of ABS material.
Summary of the invention
The technical problem to be solved by the utility model is to provide a kind of plastic chairs, it can be to avoid deformation.
In order to solve the above technical problems, the technical solution of the utility model plastic chair are as follows:
Including chair seat frame 1, chair seat frame 1 realizes support by chair leg 4 after two front chair legs 3 and two；The top of chair leg 4 afterwards
It is fixedly connected with chair back rack 2；Chair back rack 2 is fixedly connected with two handrails 5；Handrail 5 is located at the top of chair seat frame 1；Chair back rack 2 is fixed to be connected
The grafting chair back 7；One end of the handrail 5 is formed with plug tenon 52, and the end of handrail 5 is additionally provided with dowel screw 53；The end of handrail 5
Portion is fixedly connected with chair back rack 2 with plug tenon 52 by dowel screw 53；The top of chair leg 4 is molded with metal hollow pipe 6 after described, gold
Belonging to hollow pipe 6 can extend into chair back rack 2；The top of chair leg 4 is additionally provided with the buckle 43 with groove 431 afterwards, and rear chair leg 4 passes through card
Button 43 and metal hollow pipe 6 are realized to be fixedly connected with chair back rack 2；The top of the front chair leg 3 is equipped with preceding plug tenon 31 and preceding spiral shell
Mother 32；The top of chair leg 4 is equipped with rear plug tenon 41 and back nut 42 after described；The front both ends of the chair seat frame 1 offer respectively
Preceding plug tenon slot 11 and front nut hole 12, preceding plug tenon slot 11 are matched with the preceding plug tenon 31 of front chair leg 3, front nut hole 12 and front chair leg
3 front nut 32 matches, to realize being fixedly connected for front chair leg 3 and chair seat frame 1；It opens respectively at the rear portion both ends of chair seat frame 1
Equipped with rear plug tenon slot 13 and back nut hole 14, rear plug tenon slot 13 is matched with the rear plug tenon 41 of rear chair leg 4, and back nut hole 14 is with after
The back nut 42 of chair leg 4 matches, so that chair leg 4 and chair seat frame 1 are fixedly connected after realizing.
The interconnecting piece of the chair back rack 2 and handrail 5 offers mounting hole 21；The dowel screw 53 is located at mounting hole 21
It is interior.
The other end bottom of the handrail 5 is fixedly connected integrally formed with support 51, the end of support 51 with chair seat frame 1.
The plug tenon 52 is tapered；The preceding plug tenon 31 has up-narrow and down-wide taper；Plug tenon 41 has upper narrow after described
Lower wide taper.
The handrail 5 is hollow structure.
The outer rim of the wood chair back 7 has multiple anti-deformation fixed angles 71；Multiple through-holes 72 are also provided on the wooden chair back 7.
The chair back rack 2 and the wooden chair back 7 offer center Soft Roll hole, the center Soft Roll hole of chair back rack 2 and the wooden chair back 7 respectively
Center Soft Roll hole it is corresponding, and the center Soft Roll hole of the wooden chair back 7 is less than the center Soft Roll hole of chair back rack 2；2 He of chair back rack
Center Soft Roll is fixedly installed in the center Soft Roll hole of the wooden chair back 7.
The outer wall and/or inner wall of the metal hollow pipe 6 offer multiple spiral shape card slots 61；Multiple card slots 61 are along metal
The length direction of hollow pipe 6 is distributed.
Elastic groove 44 is offered on plug tenon 41 after described.
What the utility model can achieve has the technical effect that
Being fixedly connected between chair leg and chair back rack after the utility model is realized by metal hollow pipe, will in injection moulding process
The inner cavity of plastics injection metal hollow pipe simultaneously wraps metal hollow pipe, and plastic chair can be made more durable.
Center Soft Roll is fixed in the center Soft Roll hole of chair back rack by the utility model by the wooden chair back, can facilitate center
Installation of the Soft Roll on chair back rack.
The utility model is realized by plug tenon and the mating connection of plug tenon slot and the mating connection of screw and screw hole
Being fixedly connected between front chair leg and chair seat frame, and rear chair leg and chair seat frame are fixedly connected, and can make front and back chair leg and chair
It is connected between mounting more secured.
The wooden chair back of the utility model has multiple through-holes, and the wooden chair back is after realizing integrated molding injection molding with chair back rack, note
Moulding material enters through-hole, and the wooden chair back and chair back rack can be made preferably fixed；The anti-deformation fixed angles of the wooden chair back can be further
It realizes and being fixedly connected between chair back rack.
The utility model has the advantage that
1, occur shrinking trace after can be avoided product injection molding；
2, the rigidity of chair leg can be made to be enhanced；
3, product can be made to greatly improve production efficiency in injection molding process, reduce energy consumption；
4, by chair modularization, it is easier to replace style, reduce 50% or more die cost, and fortune can be greatly reduced
Defeated expense；
5, the production of the utility model is not necessarily to large size plastic jetting-moulding device, can reduce cost of investment, saves hall space；
6, more environmentally-friendly durable relative to conventional chair, will not due to the temperature difference there is a phenomenon where cracking, it is mouldy.
Detailed description of the invention
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments:
Fig. 1 is the schematic diagram of the utility model plastic chair；
Fig. 2 is the decomposition diagram of the utility model；
Fig. 3 is the schematic diagram of the handrail of the utility model；
Fig. 4 is the rear side schematic diagram of the utility model；
Fig. 5 is the schematic diagram of the nanometer solid wood chair back of the utility model；
Fig. 6 is the schematic diagram of the rear chair leg of the utility model；
Fig. 7 is the schematic diagram of the metal hollow pipe of the utility model；
Fig. 8 is the schematic diagram of the front chair leg of the utility model；
Fig. 9 is the schematic diagram of the chair seat frame of the utility model；
Figure 10 is the installation diagrammatic cross-section of the chair seat frame of the utility model.
Description of symbols in figure:
1 is chair seat frame, and 2 be chair back rack,
3 be front chair leg, and 4 be rear chair leg,
5 be handrail, and 6 be metal hollow pipe,
7 be the nanometer solid wood chair back,
11 be preceding plug tenon slot, and 12 be front nut hole,
13 be rear plug tenon slot, and 14 be back nut hole,
21 be mounting hole,
31 be preceding plug tenon, and 32 be front nut,
41 be rear plug tenon, and 42 be back nut,
43 be buckle, and 431 be groove,
44 be elastic groove,
51 be support, and 52 be plug tenon,
53 be dowel screw,
61 be card slot,
71 be anti-deformation fixed angles, and 72 be through-hole.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
The technical solution of the utility model embodiment is clearly and completely described in the attached drawing of type embodiment.Obviously, described
Embodiment is a part of the embodiment of the utility model, instead of all the embodiments.Based on described the utility model
Embodiment, those of ordinary skill in the art's every other embodiment obtained under the premise of being not necessarily to creative work, all belongs to
In the range of the utility model protection.Unless otherwise defined, the technical term or scientific term used herein should be this reality
The ordinary meaning understood with the personage in novel fields with general technical ability." comprising " used herein etc. is similar
Word means that the element or object that occur before the word are covered the element for appearing in the word presented hereinafter or object and its waited
Together, other elements or object are not excluded for."upper", "lower", "front", "rear" etc. are only used for indicating relative positional relationship, work as quilt
After the absolute position of description object changes, then the relative positional relationship may also correspondingly change.
As shown in Figure 1 and Figure 2, the utility model plastic chair, including chair seat frame 1, chair seat frame 1 pass through two front chair legs 3 and two
Chair leg 4 realizes support after root；The top of chair leg 4 is connected to one by crossbeam after two；The top of chair leg 4 is fixed afterwards connects
Connect chair back rack 2；Chair back rack 2 is fixedly connected with two handrails 5；Handrail 5 is located at the top of chair seat frame 1；Chair back rack 2 is fixedly connected with nanometer
The solid wood chair back 7.
As shown in figure 3, one end of handrail 5 is formed with plug tenon 52, the end of handrail 5 is additionally provided with dowel screw 53；Handrail 5
End chair back rack 2 with plug tenon 52 is fixedly connected with by dowel screw 53；As shown in figure 4, the interconnecting piece of chair back rack 2 and handrail 5
Offer mounting hole 21；When installation, the twist-on of dowel screw 53 and nut is realized by mounting hole 21, to realize that screw is not outer
Dew；
The other end bottom of handrail 5 is fixedly connected integrally formed with support 51, the end of support 51 with chair seat frame 1；
Plug tenon 52 is tapered, so that the connection between handrail 5 and chair back rack 2 is stronger；
Handrail 5 is hollow structure.
As shown in figure 5, the outer rim of the nanometer solid wood chair back 7 has multiple anti-deformation fixed angles 71；On the nanometer solid wood chair back 7 also
Multiple through-holes 72 are offered, so that the nanometer solid wood chair back 7 and chair back rack 2 are preferably fixed；
Chair back rack 2 and the nanometer solid wood chair back 7 offer center Soft Roll hole, the center Soft Roll hole of chair back rack 2 and nanometer respectively
The center Soft Roll hole of the solid wood chair back 7 is corresponding, and the center Soft Roll hole of the nanometer solid wood chair back 7 is less than the center Soft Roll of chair back rack 2
Hole, so that the inner ring of the nanometer solid wood chair back 7 is exposed to the rear side of chair back rack 2, center Soft Roll is from the front side loading center of chair back rack 2
Soft Roll hole is simultaneously fixedly connected with a nanometer solid wood chair back 7.
As shown in Fig. 2, the top of rear chair leg 4 is molded with metal hollow pipe 6, metal hollow pipe 6 can extend into chair back rack 2；
As shown in fig. 6, the top of rear chair leg 4 is additionally provided with the buckle 43 with groove 431, rear chair leg 4 passes through buckle 43 and metal hollow
The realization of pipe 6 is fixedly connected with chair back rack 2；Since buckle 43 has groove 431, rear chair leg 4 can be made to fix with chair back rack 2
It is stronger.
As shown in fig. 7, the outer wall and/or inner wall of metal hollow pipe 6 offer multiple spiral shape card slots 61；Multiple card slots 61
Length direction along metal hollow pipe 6 is distributed.
As shown in figure 8, the top of front chair leg 3 is equipped with plug tenon 31 and front nut 32 before twice；Preceding plug tenon 31 have it is upper it is narrow under
Wide taper；As shown in fig. 6, the top of rear chair leg 4 is equipped with rear plug tenon 41 and back nut 42；Plug tenon 41 has up-narrow and down-wide afterwards
Taper；
As shown in figure 9, the front both ends of chair seat frame 1 offer plug tenon slot 11 and front nut hole 12 before twice respectively, it is preceding to insert
Tongue-and-groove 11 is matched with the preceding plug tenon 31 of front chair leg 3, and front nut hole 12 is matched with the front nut 32 of front chair leg 3, to realize
Front chair leg 3 is fixedly connected with chair seat frame 1；As shown in Fig. 2, the rear portion both ends of chair seat frame 1 offer rear 13 He of plug tenon slot respectively
Back nut hole 14, rear plug tenon slot 13 are matched with the rear plug tenon 41 of rear chair leg 4, the back nut 42 in back nut hole 14 and rear chair leg 4
It matches, so that chair leg 4 and chair seat frame 1 are fixedly connected after realizing；
As shown in Figure 10, elastic groove 44 is offered on rear plug tenon 41, elastic groove 44 can be such that rear plug tenon 41 tightly fixes
In in rear plug tenon slot 13.
The production method of the utility model plastic chair, includes the following steps:
The first step makes metal hollow pipe 6；
Multiple spiral shape card slots 61 are opened up in the outer wall and/or inner wall of metal hollow pipe 6, and make the formation of metal hollow pipe 6
Camber line identical with rear chair leg 4；
Second step, chair leg 4 after injection molding；
The metal hollow pipe 6 of machine-shaping is put into rear chair leg mold, and the upper section of metal hollow pipe 6 is from rear chair leg 4
Top expose, then carry out after chair leg 4 injection molding, so that the top of rear chair leg 4 is formed rear plug tenon 41, and back nut 42 is molded
In the inner；The top of rear chair leg 4 is set to form buckle 43；
Afterwards in the injection moulding process of chair leg 4, by the inner cavity of plastics injection metal hollow pipe 6 and metal hollow pipe 6 is wrapped, from
And make rear chair leg 4 that there is stronger rigidity, it is indeformable；The card slot 61 of metal hollow pipe 6 can make metal hollow pipe 6 and rear chair leg
4 combine stronger；
Third step makes the nanometer solid wood chair back 7；
Solid wood powder is fabricated to a nanometer solid wood chair back 7, the nanometer solid wood chair back 7 has multiple anti-deformation fixed angles, through-hole；It receives
The center Soft Roll hole of the meter Shi Mu chair back 7 is less than the center Soft Roll hole of chair back rack 2, so that the inner ring of the nanometer solid wood chair back 7 is exposed to
The outside of chair back rack 2；
4th step, the rear chair leg 4 processed, the nanometer solid wood chair back 7 are put into the mold of chair back rack 2, and rear chair leg 4 is received
The meter Shi Mu chair back 7 and chair back rack 2 together injection molding；
Since the top of rear chair leg 4 is equipped with buckle 43, and the upper section of metal hollow pipe 6 exposes from the top of rear chair leg 4,
Chair back rack 2 can be combined with rear chair leg 4 well in injection moulding process；
Since the nanometer solid wood chair back 7 has multiple through-holes, the nanometer solid wood chair back 7 is realizing integrated molding note with chair back rack 2
After modeling, injected plastics material enters through-hole, and nanometer solid wood chair back 7 and chair back rack 2 can be made preferably fixed；The nanometer solid wood chair back 7
Anti-deformation fixed angles can further realize being fixedly connected between chair back rack 2；
5th step, injection molding chair seat frame 1；
Plug tenon slot 11 and front nut hole 12 before forming the front both ends of chair seat frame 1；Form the rear portion both ends of chair seat frame 1
Plug tenon slot 13 and back nut hole 14 afterwards, rear plug tenon slot 13 are matched with the rear plug tenon 41 of rear chair leg 4, back nut hole 14 and rear chair leg
4 back nut 42 matches；Then the rear side of chair seat frame 1 and rear chair leg 4 are connected and fixed；
6th step, injection molding front chair leg 3, make the top of front chair leg 3 formed before plug tenon 31, and by front nut 32 injection molding in
In it；Preceding plug tenon 31 is matched with the preceding plug tenon slot 11 of chair seat frame 1, and the front nut hole 12 of front nut 32 and chair seat frame 1 matches
It closes；Then front chair leg 3 is fixedly connected with chair seat frame 1；
7th step installs handrail 5；One end of handrail 5 is fixedly connected by dowel screw 53 with chair back rack 2；
8th step, installation center Soft Roll；Center Soft Roll is installed on to the interior hole site of chair back rack 2, and passes through decoration big gun nail
Center Soft Roll is fixed on nanometer solid wood chair back 7.
Although the embodiments of the present invention is hereinbefore described in detail, come for those skilled in the art
It says it is readily apparent that can these embodiments be carry out various modifications and be changed.However, it is understood that this modification and change
Change belongs within the scope of the utility model described in the claims and spirit.Moreover, described herein practical new
Type can have other embodiments, and can be practiced or carried out in several ways.
Claims (9)
1. a kind of plastic chair, it is characterised in that: including chair seat frame (1), after chair seat frame (1) is by two front chair legs (3) and two
Chair leg (4) realizes support；Chair back rack (2) are fixedly connected at the top of chair leg (4) afterwards；Chair back rack (2) is fixedly connected with two handrails
(5)；Handrail (5) is located at the top of chair seat frame (1)；Chair back rack (2) is fixedly connected with the wooden chair back (7)；
One end of the handrail (5) is formed with plug tenon (52), and the end of handrail (5) is additionally provided with dowel screw (53)；Handrail (5)
End with plug tenon (52) be fixedly connected with chair back rack (2) by dowel screw (53)；
It is molded with metal hollow pipe (6) at the top of chair leg (4) after described, metal hollow pipe (6) can extend into chair back rack (2)；Afterwards
The buckle (43) with groove (431) is additionally provided at the top of chair leg (4), rear chair leg (4) passes through buckle (43) and metal hollow pipe
(6) it realizes and is fixedly connected with chair back rack (2)；
The top of the front chair leg (3) is equipped with preceding plug tenon (31) and front nut (32)；It is inserted after the top of chair leg (4) is equipped with after described
Tenon (41) and back nut (42)；
Plug tenon slot (11) and front nut hole (12), preceding plug tenon slot (11) before the front both ends of the chair seat frame (1) offer respectively
It being matched with the preceding plug tenon (31) of front chair leg (3), front nut hole (12) are matched with the front nut (32) of front chair leg (3), thus
Realization front chair leg (3) is fixedly connected with chair seat frame (1)；The rear portion both ends of chair seat frame (1) offer rear plug tenon slot (13) respectively
With back nut hole (14), rear plug tenon slot (13) matches with the rear plug tenon (41) of rear chair leg (4), back nut hole (14) and rear chair leg
(4) back nut (42) matches, so that chair leg (4) and chair seat frame (1) are fixedly connected after realizing.
2. plastic chair according to claim 1, it is characterised in that: the chair back rack (2) and the interconnecting piece of handrail (5) open up
There are mounting hole (21)；The dowel screw (53) is located in mounting hole (21).
3. plastic chair according to claim 1, it is characterised in that: the other end bottom of the handrail (5) integrally formed with
The end of support (51), support (51) is fixedly connected with chair seat frame (1).
4. plastic chair according to claim 1, it is characterised in that: the plug tenon (52) is tapered；The preceding plug tenon (31)
With up-narrow and down-wide taper；Plug tenon (41) has up-narrow and down-wide taper after described.
5. plastic chair according to claim 1, it is characterised in that: the handrail (5) is hollow structure.
6. plastic chair according to claim 1, it is characterised in that: the outer rim of the wood chair back (7) has multiple anti-deformations
Fixed angles (71)；Multiple through-holes (72) are also provided on the wooden chair back (7).
7. plastic chair according to claim 1, it is characterised in that: the chair back rack (2) and the wooden chair back (7) offer respectively
Center Soft Roll hole, the center Soft Roll hole of chair back rack (2) is corresponding with the center Soft Roll hole of the wooden chair back (7), and in the wooden chair back (7)
Soft-hearted packet hole is less than the center Soft Roll hole of chair back rack (2)；It is fixed in the center Soft Roll hole of the chair back rack (2) and the wooden chair back (7)
It is provided with center Soft Roll.
8. plastic chair according to claim 1, it is characterised in that: the outer wall and/or inner wall of the metal hollow pipe (6) are opened
Equipped with multiple spiral shape card slots (61)；Multiple card slots (61) are distributed along the length direction of metal hollow pipe (6).
9. plastic chair according to claim 1, it is characterised in that: offer elastic groove (44) on plug tenon (41) after described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721111852.3U CN208318775U (en) | 2017-09-01 | 2017-09-01 | Plastic chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721111852.3U CN208318775U (en) | 2017-09-01 | 2017-09-01 | Plastic chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208318775U true CN208318775U (en) | 2019-01-04 |
Family
ID=64787482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721111852.3U Expired - Fee Related CN208318775U (en) | 2017-09-01 | 2017-09-01 | Plastic chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208318775U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107348735A (en) * | 2017-09-01 | 2017-11-17 | 玉环精宣模具有限公司 | Plastic chair and preparation method thereof |
-
2017
- 2017-09-01 CN CN201721111852.3U patent/CN208318775U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107348735A (en) * | 2017-09-01 | 2017-11-17 | 玉环精宣模具有限公司 | Plastic chair and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190104 Termination date: 20210901 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |