CN217090074U - Seat capable of being rapidly provided with backrest - Google Patents
Seat capable of being rapidly provided with backrest Download PDFInfo
- Publication number
- CN217090074U CN217090074U CN202220232181.0U CN202220232181U CN217090074U CN 217090074 U CN217090074 U CN 217090074U CN 202220232181 U CN202220232181 U CN 202220232181U CN 217090074 U CN217090074 U CN 217090074U
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- China
- Prior art keywords
- connecting arm
- chair frame
- backrest
- fastener
- seat
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- 230000008878 coupling Effects 0.000 claims abstract description 21
- 238000010168 coupling process Methods 0.000 claims abstract description 21
- 238000005859 coupling reaction Methods 0.000 claims abstract description 21
- 238000009434 installation Methods 0.000 claims abstract description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 20
- 238000001746 injection moulding Methods 0.000 claims description 5
- 238000005728 strengthening Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The utility model relates to the technical field of seats, and discloses a seat capable of quickly mounting a backrest, which comprises a backrest body and a seat frame; the lower end of the backrest body is connected with the chair frame through a connecting arm component; the connecting arm assembly comprises a connecting arm and a tightening connecting fastener. Wherein, the rear end of the connecting arm is connected with the backrest body; the side surface of the front end of the connecting arm is provided with an accommodating groove; the accommodating groove is internally provided with an installation hole; the front end of the connecting arm is matched and sleeved with the chair frame; the jacking connecting fastener is matched, screwed and embedded into the mounting hole; the head of the abutting connection fastener is accommodated in the accommodating groove; the chair frame is provided with an adjusting hole for adjusting the tightly-propping connecting fastener to tightly prop the chair frame after the front end of the connecting arm is sleeved with the chair frame and the position of the tightly-propping connecting fastener is opposite to the chair frame. The utility model provides a can install seat of back fast can hide the tight coupling spare in top, can not see the position of the tight coupling spare in top, strengthens the stability of being connected of linking arm and chair frame, and the outward appearance is succinct pleasing to the eye, has the characteristics of quick installation.
Description
Technical Field
The utility model relates to a seat technical field especially relates to a can install seat of back fast.
Background
The backrest and the chair frame of the traditional chair are connected by welding or screws and the like, but welding traces are easy to see in the connection mode of the backrest and the chair back when the welding mode is adopted, and when the screws penetrate through the connection mode of the chair frame and the backrest, the screws are easy to expose to influence the overall attractiveness of the chair, and the screws are easy to rust when exposed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming prior art's problem, providing one kind can hide the tight coupling fastener in top, structural stability is strong, the outward appearance is succinct pleasing to the eye and have the characteristics of quick installation seat of back fast.
In order to achieve the above purpose, the utility model adopts the following scheme:
a chair capable of quickly mounting a backrest comprises a backrest body and a chair frame; the lower end of the backrest body is connected with the chair frame through a connecting arm assembly; the connecting arm assembly includes:
the rear end of the connecting arm is connected with the backrest body; the side surface of the front end of the connecting arm is provided with an accommodating groove; the accommodating groove is internally provided with an installation hole; the front end of the connecting arm is matched and sleeved with the chair frame;
the jacking connecting fastener is matched with and screwed and embedded into the mounting hole; the head of the tightening connecting fastener is accommodated in the accommodating groove;
the chair frame is in the front end of linking arm with the chair frame cup joints the back and is relative the position of top tight coupling fastener is equipped with and is used for adjusting top tight coupling fastener top tightly the regulation hole of chair frame.
Further, the connecting arm assembly further comprises a reinforcing rib strip, and the reinforcing rib strip is arranged on the side face of the connecting arm and extends along the length direction of the connecting arm.
Furthermore, each side surface of the connecting arm is provided with at least 1 reinforcing rib.
Furthermore, the front ends of the reinforcing ribs are arranged in a pointed shape; the reinforcing ribs are arranged along the side surfaces of the reinforcing ribs in the length direction in an arc shape.
Further, the tightening connecting fastener is a screw or a bolt.
Further, the connecting arm is of a triangular prism structure; the connecting part between the side surfaces of two adjacent connecting arms is arranged in a fillet manner; the holding tank is located on the bottom surface of the front end of the connecting arm.
Furthermore, the connecting arm is of an isosceles triangular prism structure; the width of the bottom side of the connecting arm is smaller than the width of the oblique side of the connecting arm.
Furthermore, the rear end of the connecting arm is integrally connected with the lower end of the backrest body through plastic injection molding.
Further, the rear end of the connecting arm is provided with a filling hole for filling plastic during plastic injection molding.
Further, the filling hole is a long hole.
Compared with the prior art, the utility model has the advantages of as follows:
the utility model discloses a linking arm combines to form linking arm subassembly with the tight coupling spare in top, after getting into the mounting hole under the effect that the tight coupling spare in top revolves soon, through setting up the holding tank, so that hold the tight coupling spare in top in the holding tank, avoid the tight coupling spare in top to expose the influence installation, make things convenient for the linking arm to cooperate with the chair frame and cup joint, then, cup joint the back at the front end of accomplishing the linking arm with the chair frame, adopt the tight chair frame in mode top of adjusting the tight coupling spare elasticity in top from the regulation hole, hide the tight coupling spare in top, can't see the position of the tight coupling spare in top, strengthen the stability of being connected of linking arm and chair frame, the outward appearance is succinct pleasing to the eye, have the characteristics of quick installation.
Drawings
The present application will be described in further detail with reference to the following drawings and detailed description.
Fig. 1 is an exploded perspective view of a seat with a backrest capable of being rapidly installed according to the present invention.
Fig. 2 is a second exploded perspective view of the seat with the rapidly mountable backrest according to the present invention.
Fig. 3 is a schematic view of a seat with a quick-mounting backrest according to the present invention, which is partially cut away when the screw is not tightened on the seat frame.
Fig. 4 is a schematic structural view of a seat with a quick-mounting backrest according to the present invention, partially cut away, when the seat frame is tightly pressed by a screw.
Fig. 5 is one of the schematic perspective views of the connecting arm of the present invention.
Fig. 6 is a second schematic perspective view of the connecting arm of the present invention.
Fig. 7 is a schematic diagram of a half-section structure of the connecting arm of the present invention.
The figure includes:
the backrest body 1, the chair frame 2, the adjusting hole 21, the connecting arm assembly 3, the connecting arm 31, the accommodating groove 311, the mounting hole 312, the filling hole 313, the abutting connection fastener 32 and the reinforcing rib 33.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1 to 7, a seat capable of quickly mounting a backrest comprises a backrest body 1 and a seat frame 2; the lower end of the backrest body 1 is connected with the chair frame 2 through a connecting arm component 3; the connecting arm assembly 3 includes a connecting arm 31 and a tightening connecting fastener 32. Wherein, the rear end of the connecting arm 31 is connected with the backrest body 1; the side surface of the front end of the connecting arm 31 is provided with an accommodating groove 311; the accommodating groove 311 is internally provided with an installation hole 312; the front end of the connecting arm 31 is matched and sleeved with the chair frame 2; the jacking connecting fastener 32 is matched, screwed and embedded into the mounting hole 312; wherein, the tightening connecting fastener 32 is a screw or a bolt. Of course, other fasteners may be used as the clinch attachment fastener 32. The head of the tightening attachment fastener 32 is received in the receiving groove 311; the chair frame 2 is provided with an adjusting hole 21 for adjusting the position of the jacking connecting fastener 32 jacking the chair frame 2 after the front end of the connecting arm 31 is sleeved with the chair frame 2 and the position of the jacking connecting fastener 32 is opposite to the position.
This but chair of quick installation back adopts linking arm 31 and the tight coupling fastener 32 in top to combine to form linking arm subassembly 3, get into the mounting hole 312 after the tight coupling fastener 32 in top revolves the effect of twisting, through setting up holding tank 311, so that hold the tight coupling fastener 32 in holding tank 311 in top, avoid the tight coupling fastener 32 in top to expose the influence installation, make things convenient for linking arm 31 and chair frame 2 to cooperate and cup joint, then, after the front end and the chair frame 2 that accomplish linking arm 31 cup joint, adopt the tight coupling fastener 32 elasticity in the mode top tight chair frame 2 in top of regulation hole 21 regulation, hide the tight coupling fastener 32 in top, can't see the position of the tight coupling fastener 32 in top, strengthen the stability of being connected of linking arm 31 and chair frame 2, the outward appearance is succinct pleasing to the eye, the characteristics of quick installation have.
In order to enhance the connection stability between the connecting arm 31 and the chair frame 2, the connecting arm assembly 3 further comprises a reinforcing rib 33, wherein the reinforcing rib 33 is arranged on the side surface of the connecting arm 31 and extends along the length direction of the connecting arm 31. Preferably, at least 1 of the reinforcing ribs 33 is provided on each side of the connecting arm 31. Through setting up strengthening rib 33, all design strengthening rib 33 at each side of linking arm 31, when the installation like this, strengthening rib 33 and 2 many line contacts of chair frame reduce the friction that probably produce each other, guarantee that the installation goes on smoothly, further strengthen the connection reliability between linking arm 31 and the chair frame 2, be difficult for droing. The number of the reinforcing ribs 33 on each side of the connecting arm 31 is reasonably set according to requirements, and can be 1, 2 or 3.
In order to facilitate the sleeve connection between the connecting arm 31 and the chair frame 2, the front end of the reinforcing rib 33 is arranged in a pointed end; the reinforcing ribs 33 are arranged in an arc shape along the side surfaces in the length direction. The front end of the reinforcing rib 33 is pointed, so that the chair frame 2 can be inserted into the chair frame more quickly during installation, and the assembly efficiency is improved.
In the present embodiment, the connecting arm 31 has a triangular prism structure; the connecting part between the side surfaces of two adjacent connecting arms 31 is in a round-off corner arrangement; the receiving groove 311 is provided on the bottom side surface of the front end of the connecting arm 31. Specifically, at least two holding grooves 311 set up on the bottom surface of connecting arm 31, and corresponding mounting hole 312, regulation hole 21 also are equipped with 2 at least, help strengthening the stability of being connected between connecting arm 31 and the chair frame 2, connect reliably, and the structure is firm, is difficult for droing. Preferably, the connecting arm 31 is an isosceles triangular prism structure; the width of the bottom side of the connecting arm 31 is smaller than the width of the oblique side of the connecting arm 31. The shape of the steel pipe corresponding to the chair frame 2 is also an isosceles triangular prism structure, so that the connection stability between the connecting arm 31 and the chair frame 2 is conveniently improved. Wherein, the chair frame 2 is preferably made of stainless steel material. The connecting arm 31 is made of an aluminum alloy material or a stainless steel material, and has good rigidity, stable structure and better durability.
In order to realize stable and reliable connection between the connecting arm 31 and the backrest body 1, the rear end of the connecting arm 31 is integrally connected with the lower end of the backrest body 1 through plastic injection molding. Preferably, the rear end of the connecting arm 31 is provided with a filling hole 313 for filling plastic when the plastic is injection-molded. By additionally arranging the filling hole 313, the plastic filling hole is favorable for filling plastic in the plastic injection molding process, the connection between the reinforced connecting arm 31 and the backrest body 1 is stable, the connecting arm 31 is ensured to be tightly connected with the backrest body 1 into a whole through plastic injection, and the connection strength is greatly enhanced.
In order to further enhance the connection strength between the connecting arm 31 and the backrest body 1, the filling hole 313 is a long hole. By providing the elongated hole as the filling hole 313, the space volume of the elongated hole is increased, more filling plastic is accommodated, and the connecting strength between the connecting arm 31 and the backrest body 1 is further enhanced.
Meanwhile, in order to avoid the connecting arm 31 and the branch pipe of the chair frame 2 from being exposed, the plastic connected with the rear end of the connecting arm 31 forms a groove or a boss, and when the connecting arm 31 and the chair frame 2 are matched and sleeved, the groove or the boss can wrap the port of the branch pipe of the chair frame 2, so that the connecting arm 31 and the branch pipe of the chair frame 2 are prevented from being exposed.
In summary, the embodiment of the present invention provides a seat capable of quickly mounting a backrest, wherein the seat capable of quickly mounting a backrest adopts a connecting arm 31 and a tightening connecting fastener 32 to combine to form a connecting arm assembly 3, after entering the mounting hole 312 by screwing the tightening connection fastener 32, by providing the receiving groove 311, so as to accommodate the tightening connecting fastener 32 in the accommodating slot 311, avoid the tightening connecting fastener 32 from being exposed to affect the installation, facilitate the connecting arm 31 to be matched and sleeved with the chair frame 2, and then, after the front end of the connecting arm 31 is sleeved with the chair frame 2, the chair frame 2 is tightly pushed up by adopting a mode of adjusting the tightness of the tightly-pushing connecting fastener 32 from the adjusting hole 21, the tightly-pushing connecting fastener 32 is hidden, the position of the tightly-pushing connecting fastener 32 cannot be seen, the connecting stability of the connecting arm 31 and the chair frame 2 is enhanced, the appearance is concise and attractive, and the quick-mounting characteristic is realized.
The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and substitutions can be made without departing from the technical principle of the present application, and these modifications and substitutions should also be regarded as the protection scope of the present application.
Claims (10)
1. A chair capable of quickly mounting a backrest comprises a backrest body and a chair frame; the chair is characterized in that the lower end of the backrest body is connected with the chair frame through a connecting arm component; the connecting arm assembly includes:
the rear end of the connecting arm is connected with the backrest body; the side surface of the front end of the connecting arm is provided with an accommodating groove; the accommodating groove is internally provided with an installation hole; the front end of the connecting arm is matched and sleeved with the chair frame;
the jacking connecting fastener is matched with the mounting hole and is screwed and embedded in the mounting hole; the head of the tightening connecting fastener is accommodated in the accommodating groove;
the chair frame is in the front end of linking arm with the chair frame cup joints the back and is relative the position of top tight coupling fastener is equipped with and is used for adjusting top tight coupling fastener top tightly the regulation hole of chair frame.
2. The chair capable of quickly mounting a backrest as claimed in claim 1, wherein the connecting arm assembly further comprises a reinforcing rib, and the reinforcing rib is arranged on the side surface of the connecting arm and extends along the length direction of the connecting arm.
3. A quick-mountable back-rest seat as claimed in claim 2, wherein at least 1 reinforcing rib is provided on each side of the connecting arm.
4. The seat capable of quickly mounting a backrest according to claim 2, wherein the front end of the reinforcing rib is arranged in a tip shape; the reinforcing ribs are arranged along the side surfaces of the reinforcing ribs in the length direction in an arc shape.
5. The seat capable of quickly mounting a backrest according to any one of claims 1 to 4, wherein the tightening fastener is a screw or a bolt.
6. A quick-mountable back-rest seat as claimed in claim 1, wherein the connecting arms are of triangular-cylindrical configuration; the connecting part between the side surfaces of two adjacent connecting arms is arranged in a fillet manner; the holding tank is located on the bottom surface of the front end of the connecting arm.
7. A quick-mountable back rest seat as claimed in any one of claims 1 to 4, wherein the connecting arms are of an isosceles triangular prism configuration; the width of the bottom side of the connecting arm is smaller than the width of the oblique side of the connecting arm.
8. The seat capable of quickly mounting a backrest as claimed in claim 1, wherein the rear end of the connecting arm is integrally connected with the lower end of the backrest body by plastic injection molding.
9. The seat capable of quickly mounting a backrest of claim 8, wherein the rear end of the connecting arm is provided with a filling hole for filling plastic when the plastic is injection-molded.
10. A seat with a quickly mountable back as claimed in claim 9, wherein said fill hole is an elongated hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220232181.0U CN217090074U (en) | 2022-01-27 | 2022-01-27 | Seat capable of being rapidly provided with backrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220232181.0U CN217090074U (en) | 2022-01-27 | 2022-01-27 | Seat capable of being rapidly provided with backrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217090074U true CN217090074U (en) | 2022-08-02 |
Family
ID=82596832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220232181.0U Active CN217090074U (en) | 2022-01-27 | 2022-01-27 | Seat capable of being rapidly provided with backrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217090074U (en) |
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2022
- 2022-01-27 CN CN202220232181.0U patent/CN217090074U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240809 Address after: No. 8 Changxing Avenue, Industrial Park, Dongbao District, Jingmen City, Hubei Province, 448004 Patentee after: Haitai Olin Group Co.,Ltd. Country or region after: China Address before: 510000 8 fenggong Road, Renhe Town, Baiyun District, Guangzhou City, Guangdong Province Patentee before: Haitai OULIN Group South China Co.,Ltd. Country or region before: China |