CN217090073U - Seat with simple and stable armrests - Google Patents
Seat with simple and stable armrests Download PDFInfo
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- CN217090073U CN217090073U CN202220231942.0U CN202220231942U CN217090073U CN 217090073 U CN217090073 U CN 217090073U CN 202220231942 U CN202220231942 U CN 202220231942U CN 217090073 U CN217090073 U CN 217090073U
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- chair
- connecting arm
- armrests
- chair frame
- arm
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Abstract
The utility model relates to the technical field of seats, and discloses a seat with simple and stable armrests, which comprises a seat frame and armrests; the armrests are connected with the upper end of the chair frame in a nested manner through the connecting arm component; the connecting arm assembly comprises a connecting arm and a jacking screw, wherein the upper end of the connecting arm is connected with the handrail; the side surface of the lower end of the connecting arm is provided with an installation groove; the mounting groove is internally provided with a mounting hole; the lower end of the connecting arm is matched and nested with the upper end of the chair frame; the jacking screws are matched, screwed and embedded into the mounting holes; the head of the jacking screw is accommodated in the mounting groove; the chair frame is provided with an adjusting through hole for screwing and adjusting the tightening screw to tighten the chair frame relative to the tightening screw after the lower end of the connecting arm is matched and nested with the upper end of the chair frame. The utility model provides a tight screw in top can be hidden to seat with simple and convenient firm type handrail, can not see the position of tight screw in top, and the tight screw in top is difficult for rustting to strengthen the connection stability of the lower extreme of linking arm and the upper end of 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 seat with simple and convenient firm type handrail.
Background
The chair is a necessary furniture article or office article. The left side and the right side of a chair frame of a traditional chair are respectively provided with two armrests, corresponding mounting holes are formed in the armrests and the chair frame, and screws penetrate through the mounting holes to achieve connection between the armrests and the chair frame. However, the exposed screw is easy to rust over time, which affects the service life of the screw and increases the difficulty of maintenance.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the problems of the prior art and providing a chair with simple, convenient and stable handrails, which can hide a top screw, is stable in connection and has a simple and attractive appearance.
In order to achieve the above purpose, the utility model adopts the following scheme:
a chair with simple and stable armrests comprises a chair frame and armrests; the armrests are connected with the upper end of the chair frame in a nested manner through a connecting arm component; the joint arm assembly includes:
the upper end of the connecting arm is connected with the handrail; an installation groove is formed in the side face of the lower end of the connecting arm; a mounting hole is formed in the mounting groove; the lower end of the connecting arm is matched and nested with the upper end of the chair frame;
the jacking screw is matched, screwed and embedded into the mounting hole; the head of the jacking screw is accommodated in the mounting groove;
the chair frame is provided with an adjusting through hole for screwing and adjusting the tightening screw to tighten the chair frame after the lower end of the connecting arm is matched and nested with the upper end of the chair frame.
Further, the linking arm component further comprises a reinforcing rib protruding strip, and the reinforcing rib protruding strip is arranged on the side face of the linking arm and extends along the length direction of the linking arm.
Furthermore, at least 1 reinforcing rib protruding strip is arranged on each side face of the connecting arm.
Furthermore, the lower ends of the reinforcing rib convex strips 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 connecting arm is of a triangular prism structure; the connecting part between the side surfaces of two adjacent connecting arms is arranged in a rounded shape; the mounting groove is formed in the rear side face of the lower end of the connecting arm.
Furthermore, the connecting arm is of an isosceles triangular prism structure; the width of the rear side of the engaging arm is smaller than the width of the oblique side of the engaging arm.
Furthermore, at least two mounting grooves distributed along the length direction of the connection arm are formed in the same side face of the lower end of the connection arm.
Furthermore, one end of the handrail is provided with a fixing groove which is matched and sleeved with the upper end of the connecting arm.
Further, the chair frame comprises an inclined straight supporting rod, an arc supporting rod and a transverse supporting rod; the two inclined straight supporting rods are arranged at intervals in an inclined mode and are connected through the transverse supporting rod, and the two arc supporting rods are sleeved on the transverse supporting rod in a penetrating mode and are respectively connected with the two inclined straight supporting rods; the bottom end surface of the inclined straight supporting rod and the bottom end surface of the arc supporting rod are positioned on the same horizontal plane; the upper end of the inclined straight supporting rod is provided with a rod cavity which is matched and nested with the connecting arm; the adjusting through hole is formed in the upper end of the inclined straight supporting rod and communicated with the rod cavity.
Further, the adapter arm is made of an aluminum alloy.
Compared with the prior art, the utility model has the advantages of as follows:
the utility model discloses a link up the arm and combine to form and link up the arm subassembly with the tight screw in top, after getting into the mounting hole under the effect that the tight screw in top revolves soon, through setting up the mounting groove, so that hold the tight screw in top in the mounting groove, avoid the tight screw in top to expose the influence installation, the lower extreme that conveniently links up the arm is connected with the upper end looks nestification of chair frame, then, after the lower extreme that accomplishes the arm links up cup joints with the upper end of chair frame, adopt the mode top tight chair frame's of adjusting the tight screw elasticity in top on adjusting the through-hole upper end, it is simple and convenient to connect, hide the tight screw in top, can't see the position of the tight screw in top, the tight screw in top is difficult for rustting, strengthen the connection stability of the upper end 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 chair with simple and stable armrests according to the present invention.
Fig. 2 is a schematic perspective view of the chair with simple and stable armrests of the present invention.
Fig. 3 is a schematic sectional view of the chair with simple and stable armrests of the present invention when the tightening screw does not tighten the chair frame.
Fig. 4 is a schematic sectional view of the chair with simple and stable armrests of the present invention when the tightening screw is used to tighten the chair frame.
Fig. 5 is a schematic perspective view of the armrest of the present invention on the connecting arm.
Fig. 6 is a second schematic perspective view of the armrest of the present invention on the connecting arm.
The figure includes:
the chair comprises a chair frame 1, an inclined straight supporting rod 11, a rod cavity 111, an adjusting through hole 112, an arc supporting rod 12, a transverse supporting rod 13, a handrail 2, a connecting arm component 3, a connecting arm 31, a mounting groove 311, a mounting hole 312, a tightening screw 32, a reinforcing rib convex strip 33 and a fixing groove 4.
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 6, a seat having a simple and stable type armrest includes a seat frame 1 and armrests 2; the armrests 2 are connected with the upper end of the chair frame 1 in a nested manner through connecting arm components 3; the joint arm assembly 3 includes a joint arm 31 and a tightening screw 32. Wherein, the upper end of the connecting arm 31 is connected with the handrail 2; wherein the engagement arms 31 are made of an aluminium alloy. Of course, the steel can also be made of stainless steel, and has good strength and durability. The side surface of the lower end of the connecting arm 31 is provided with a mounting groove 311; a mounting hole 312 is arranged in the mounting groove 311; the lower end of the connecting arm 31 is matched and nested with the upper end of the chair frame 1; the tightening screw 32 is matched, screwed and embedded into the mounting hole 312; the head of the jacking screw 32 is accommodated in the mounting groove 311; the chair frame 1 is provided with an adjusting through hole 112 for screwing and adjusting the tightening screw 32 to tighten the chair frame 1 after the lower end of the connecting arm 31 is matched and nested with the upper end of the chair frame 1 and the position corresponding to the tightening screw 32.
The utility model discloses a join arm 31 and the tight screw 32 in top combine to form and join arm subassembly 3, get into the mounting hole 312 after the effect that the tight screw 32 in top twisted soon after, through setting up mounting groove 311, so that hold the tight screw 32 in top in mounting groove 311, avoid the tight screw 32 in top to expose the influence installation, the lower extreme that conveniently joins in arm 31 is nested with the upper end of chair frame 1 and is connected, then, after accomplishing the lower extreme that joins in arm 31 and the cup joint of the upper end of chair frame 1, adopt the mode top tight chair frame 1's that adjusts the tight screw 32 elasticity in top on adjusting through hole 112 upper end, it is simple and convenient to connect, hide tight screw 32 in top, can not see the position of tight screw 32 in top, tight screw 32 is difficult for rustting, strengthen the stability of being connected the upper end of arm 31 and chair frame 1, the outward appearance is succinct pleasing to the eye, have the characteristics of quick installation.
In order to enhance the connection stability between the connection arm 31 and the chair frame 1, the connection arm 31 assembly further includes a rib 33, and the rib 33 is disposed on the side surface of the connection arm 31 and extends along the length direction of the connection arm 31. Preferably, at least 1 rib 33 is provided on each side of the engaging arm 31. By arranging the reinforcing rib protruding strips 33, the reinforcing rib protruding strips 33 are designed on each side surface of the connecting arm 31, so that when the chair frame is installed, a plurality of lines of contact are formed between the reinforcing rib protruding strips 33 and the upper end of the chair frame 1, the friction possibly generated between the reinforcing rib protruding strips 33 and the upper end of the chair frame 1 is reduced, the installation is ensured to be carried out smoothly, the connection reliability between the lower end of the connecting arm 31 and the upper end of the chair frame 1 is further enhanced, and the connecting arm is not easy to fall off. The number of the reinforcing rib convex strips 33 on each side surface of the connecting arm 31 is reasonably set according to requirements, and can be 1, 2 or 3.
In order to facilitate the embedding and the sleeving between the lower end of the connecting arm 31 and the upper end of the chair frame 1, the lower end of the reinforcing rib convex strip 33 is arranged in a tip shape; the reinforcing rib convex 33 is arranged along the side surface arc of the length direction. The front end of the reinforcing rib convex strip 33 is in a tip shape, so that the front end can be quickly inserted into the upper end of the chair frame 1 when being installed, and the assembling efficiency is improved. Meanwhile, the reinforcing rib protruding strips 33 are arc-shaped, so that the surfaces of the reinforcing rib protruding strips 33 are smooth, the contact between the reinforcing rib protruding strips and the upper end of the chair frame 1 is facilitated, the connection between the lower ends of the connecting arms 31 and the upper end of the chair frame 1 is reliable, and the connecting arms are not easy to fall off.
In this embodiment, the connecting arm 31 has a triangular prism structure; the connecting part between the side surfaces of two adjacent connecting arms 31 is arranged in a rounded shape; the mounting groove 311 is provided on the rear side of the lower end of the engaging arm 31. Specifically, be equipped with two at least edges on the same side of linking up the arm 31 the length direction of linking up the arm 31 lays the mounting groove 311, the mounting hole 312 that corresponds, regulation through-hole 112 hole also are equipped with 2 at least, help strengthening the connection stability between the lower extreme that links up the arm 31 and the upper end of chair frame 1, connect reliably, the structure is firm, is difficult for droing.
Preferably, the connecting arm 31 is an isosceles triangular prism structure; the width of the rear side surface of the connecting arm 31 is smaller than that of the inclined side surface of the connecting arm 31, the appearance design is attractive, the stability is good, the stability assembly is convenient, the connection is reliable, and the connecting arm is not easy to fall off.
In order to realize the stable mutual sleeving between the handrail 2 and the connecting arm 31, one end of the handrail 2 is provided with a fixing groove 4 which is matched and sleeved with the upper end of the connecting arm 31. The stability of the interconnection between the handrail 2 and the joint arm 31 is achieved by fitting the upper end of the joint arm in the fixing groove 4.
In the present embodiment, the chair frame 1 comprises an inclined straight strut 11, a circular arc strut 12 and a transverse strut 13; the two inclined straight supporting rods 11 are arranged at intervals in an inclined mode and are connected through the transverse supporting rod 13, and the two arc supporting rods 12 are sleeved on the transverse supporting rod 13 in a penetrating mode and are respectively connected with the two inclined straight supporting rods 11; the bottom end surface of the inclined straight supporting rod 11 and the bottom end surface of the arc supporting rod 12 are positioned on the same horizontal plane; the upper end of the inclined straight strut 11 is provided with a strut cavity 111 which is matched and nested with the connecting arm 31; the adjusting through hole 112 is arranged on the upper end of the inclined straight supporting rod 11 and is communicated with the rod cavity 111. The transverse supporting rod 13 is used for being connected with the inclined straight supporting rod 11 and the arc supporting rod 12, the structure is simple, the connection is stable, and the integral stable arrangement of the seat is facilitated. The chair frame 1 is preferably made of stainless steel, has good rigidity and hardness, and has better durability.
In summary, the embodiment of the present invention provides a chair with simple and stable armrests; the connecting arm assembly 3 is formed by combining the connecting arm 31 and the tightening screw 32, after the tightening screw 32 enters the mounting hole 312 under the screwing effect, the mounting groove 311 is formed so as to accommodate the tightening screw 32 in the mounting groove 311 and prevent the tightening screw 32 from being exposed to affect mounting, the lower end of the connecting arm 31 is conveniently connected with the upper end of the chair frame 1 in an embedded manner, then after the lower end of the connecting arm 31 is connected with the upper end of the chair frame 1 in an embedded manner, the upper end of the chair frame 1 is tightly pressed on the adjusting through hole 112 in a manner of adjusting the tightness of the tightening screw 32, the connection is simple and convenient, the tightening screw 32 is hidden, the position of the tightening screw 32 cannot be seen, the tightening screw 32 is not easy to rust, the connection stability of the connecting arm 31 and the upper end of the chair frame 1 is enhanced, the appearance is simple and attractive, and the quick mounting characteristic is achieved.
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 with simple and stable armrests comprises a chair frame and armrests; the chair is characterized in that the armrests are connected with the upper end of the chair frame in an embedded manner through a connecting arm component; the joint arm assembly includes:
the upper end of the connecting arm is connected with the handrail; an installation groove is formed in the side face of the lower end of the connecting arm; a mounting hole is formed in the mounting groove; the lower end of the connecting arm is matched and nested with the upper end of the chair frame;
the jacking screw is matched, screwed and embedded into the mounting hole; the head of the jacking screw is accommodated in the mounting groove;
the chair frame is provided with an adjusting through hole for screwing and adjusting the tightening screw to tighten the chair frame after the lower end of the connecting arm is matched and nested with the upper end of the chair frame.
2. A chair with easy and stable armrests according to claim 1, wherein said engagement arm assembly further comprises a rib provided on the side of said engagement arms and extending along the length of said engagement arms.
3. A chair having easy to stabilize armrests according to claim 2, wherein at least 1 rib is provided on each side of the engaging arms.
4. A chair with simple and stable armrests according to claim 2 or 3, wherein the lower ends of the rib protrusions are arranged in a pointed manner; the reinforcing ribs are arranged along the side surfaces of the reinforcing ribs in the length direction in an arc shape.
5. A chair with easy and robust armrests according to claim 1, wherein the engaging arms are of triangular prism configuration; the connecting part between the side surfaces of two adjacent connecting arms is arranged in a rounded shape; the mounting groove is formed in the rear side face of the lower end of the connecting arm.
6. A chair with easy and robust armrests according to claim 5, wherein said engagement arms are of isosceles triangular prism configuration; the width of the rear side of the engaging arm is smaller than the width of the oblique side of the engaging arm.
7. A chair having easy and stable armrests according to claim 1, wherein the lower end of the connecting arm is provided with at least two mounting grooves along the length of the connecting arm on the same side.
8. A chair with simple and stable armrests according to claim 1, wherein the armrests are provided with fixing grooves at one end for fitting with the upper ends of the connecting arms.
9. A chair with simple, stable armrests according to claim 1, characterized in that the frame comprises inclined straight struts, circular arc struts and transverse struts; the two inclined straight supporting rods are arranged at intervals in an inclined mode and are connected through the transverse supporting rod, and the two arc supporting rods are sleeved on the transverse supporting rod in a penetrating mode and are respectively connected with the two inclined straight supporting rods; the bottom end surface of the inclined straight supporting rod and the bottom end surface of the arc supporting rod are positioned on the same horizontal plane; the upper end of the inclined straight supporting rod is provided with a rod cavity which is matched and nested with the connecting arm; the adjusting through hole is formed in the upper end of the inclined straight supporting rod and communicated with the rod cavity.
10. A chair with easy and robust armrests according to claim 1, wherein the engagement arms are made of an aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220231942.0U CN217090073U (en) | 2022-01-27 | 2022-01-27 | Seat with simple and stable armrests |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220231942.0U CN217090073U (en) | 2022-01-27 | 2022-01-27 | Seat with simple and stable armrests |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217090073U true CN217090073U (en) | 2022-08-02 |
Family
ID=82596599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220231942.0U Active CN217090073U (en) | 2022-01-27 | 2022-01-27 | Seat with simple and stable armrests |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217090073U (en) |
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2022
- 2022-01-27 CN CN202220231942.0U patent/CN217090073U/en active Active
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