CN210043579U

CN210043579U - Household sofa convenient to extend

Info

Publication number: CN210043579U
Application number: CN201920352316.5U
Authority: CN
Inventors: 史晓燕
Original assignee: Changjiang Professional College
Current assignee: Changjiang Professional College
Priority date: 2019-03-19
Filing date: 2019-03-19
Publication date: 2020-02-11
Anticipated expiration: 2029-03-19

Abstract

The utility model discloses a domestic sofa convenient to extend relates to sofa technical field, the on-line screen storage device comprises a base, the upper surface of base is located both sides edge and all is provided with the handrail, and rotates through the pivot between base and the handrail to be connected, the extension groove has been seted up to the front surface of base, the inside in extension groove is provided with bottom extension device, the rear side of handrail is provided with the back, and links to each other through side extension device between handrail and the back. The utility model discloses a bottom extension fixture and side door extension fixture can play the effect of being convenient for to extend, and not the time spent is packed up and to be reduced the space and occupy, extends it during the use, has increased practicality and aesthetic property, has improved user's use and has experienced, and setting up of guide ring makes the transfer line have better stability, leads to leading inaccurate problem because of rocking when having avoided the transfer line motion.

Description

Household sofa convenient to extend

Technical Field

The utility model relates to a sofa technical field specifically is a domestic sofa convenient to extend.

Background

The sofa is a foreign word, is formed according to the transliteration of English words, is a multi-seat chair with soft cushions, is a backrest chair with springs or thick foam plastics and the like, has armrests on two sides, and is one kind of soft furniture.

However, the existing sofa in the market has single function, mostly has no stretching function, and the use method is fixed, so that even if a household sofa with the stretching function is available, the structure is unreasonable, the stretching is troublesome, and a great deal of inconvenience is brought to the use of a user. Accordingly, those skilled in the art have provided a home sofa that is easy to stretch, so as to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a domestic sofa convenient to extend to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a domestic sofa convenient to extend, includes the base, the upper surface of base is located both sides edge and all is provided with the handrail, and rotates through the pivot between base and the handrail to be connected, the extension groove has been seted up to the front surface of base, the inside that extends the groove is provided with bottom extension device, the rear side of handrail is provided with the back, and links to each other through side extension device between handrail and the back.

As a further aspect of the present invention: the bottom stretching device comprises an access board, sliding grooves are formed in the two sides of the access board, a handle is arranged on the front side of the access board, a support is arranged on the lower surface of the access board, the access board and the support are fixed through a fastening ring, a screw hole is formed in the surface of the fastening ring, and a screw fixed with the access board is screwed in the screw hole.

As a further aspect of the present invention: and a sliding rail is arranged at the position of the inner side of the extension groove corresponding to the sliding groove and is matched with the sliding groove.

As a further aspect of the present invention: the utility model discloses a handrail, including handrail, side extension device, including the handrail, the side extension device is provided with the spacing collar, and the inboard of handrail is fixed mutually through solid fixed ring in one side of button, and the other end of third spring is connected with the transfer line, the guide ring that links to each other with the inside top of handrail has been cup jointed in the middle section of transfer line, the one end of spacing post is connected with the second spring, the one end of second spring is fixed with the second buckle that extends to the handrail outside, the one end of spacing stake is connected with first spring, the one end of first spring is fixed with the first buckle that extends to the back outside.

As a further aspect of the present invention: the top end of the guide ring is screwed and fixed with the inner side surface of the handrail through screws.

As a further aspect of the present invention: a stress pile is arranged below the first buckle, and the stress pile and the transmission rod are located on the same horizontal line.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the top end of the guide ring is screwed and fixed with the inner side surface of the handrail through screws, the transmission rod is enabled to have better stability due to the arrangement of the guide ring, and the problem that the transmission rod is inaccurate in guide due to shaking during movement is avoided.

2. The upper portion of second buckle and first buckle is one side curved surface, the planar structure of one side, and second buckle and first buckle surface are smooth, and the lower extreme of first buckle is the atress stake, and atress stake and transfer line looks adaptation, and this kind of structure makes the handrail keep fixed when not extending, also can make it block under the condition of not pressing the button when preparing to reset after the extension finishes, novel structure, convenient to use, simple.

Drawings

FIG. 1 is a schematic view of a home sofa that is easily extendable;

FIG. 2 is a schematic view of a side extension device of a home sofa for easy extension;

fig. 3 is a schematic view showing a bottom extension device of a home sofa for easy extension.

In the figure: 1. a base; 2. an extension groove; 3. a bottom extension device; 31. a chute; 32. a handle; 33. a screw; 34. a screw hole; 35. a fastening ring; 36. a support; 37. a butt strap; 4. a rotating shaft; 5. a lateral stretching device; 51. a button; 52. a limiting ring; 53. a limiting column; 54. limiting piles; 55. a first spring; 56. a first buckle; 57. a second buckle; 58. a second spring; 59. a transmission rod; 510. a guide ring; 511. a third spring; 512. a fixing ring; 6. a handrail; 7. a backrest.

Detailed Description

Please refer to fig. 1-3, in an embodiment of the present invention, a household sofa convenient to extend, includes a base 1, the upper surface of the base 1 is located at both sides edges and is all provided with a handrail 6, and is connected through rotation of a rotating shaft 4 between the base 1 and the handrail 6, an extending groove 2 has been seted up on the front surface of the base 1, the inside of the extending groove 2 is provided with a bottom extending device 3, the rear side of the handrail 6 is provided with a backrest 7, and the handrail 6 is connected with the backrest 7 through a side extending device 5.

In fig. 3: bottom extension device 3 includes attachment strap 37, attachment strap 37 both sides all are provided with spout 31, and the front side of attachment strap 37 is provided with handle 32, the lower surface of attachment strap 37 is provided with support 36, and it is fixed through clamping ring 35 between attachment strap 37 and the support 36, screw 34 has been seted up on clamping ring 35's surface, screw 33 fixed mutually with attachment strap 37 has been screwed in screw 34, pull out attachment strap 37 from extending groove 2 through handle 32 during the use, rotate support 36 again and adjust to suitable position and place on ground, support attachment strap 37.

In fig. 3: the slide rail is arranged at the position of the inner side of the extension groove 2 corresponding to the slide groove 31, the slide rail is matched with the slide groove 31, the access board 37 can be fixed in the extension groove 2 due to the arrangement of the slide rail and the slide groove 31, the access board 37 can be conveniently extracted and put back, labor is saved, and the use is convenient, light and simple.

In fig. 2: the side stretching device 5 comprises a button 51, a limiting post 53 and a limiting pile 54, wherein one side of the button 51 is positioned in the inner position of the armrest 6 and is provided with a limiting ring 52, a third spring 511 is arranged right below the limiting ring 52, one side of the third spring 511 is fixed with the inner side of the armrest 6 through a fixing ring 512, the other end of the third spring 511 is connected with a transmission rod 59, the middle section of the transmission rod 59 is sleeved with a guide ring 510 connected with the inner top end of the armrest 6, one end of the limiting post 53 is connected with a second spring 58, one end of the second spring 58 is fixed with a second buckle 57 extending to the outside of the armrest 6, one end of the limiting pile 54 is connected with a first spring 55, one end of the first spring 55 is fixed with a first buckle 56 extending to the outside of the backrest 7, and a user presses the button 51 exposed to the outside of the armrest 6 to further enable the transmission rod 59 to extrude the stressed pile at, and then make first buckle 56 contract towards back 7 inside, handrail 6 can again pass through pivot 4 and outside tiling extension, and simultaneously through the shrink of third spring 511, button 51 resets for the secondary use, and when the user wishes to restore handrail 6's position, rotates handrail 6 through pivot 4 inboard, because second buckle 57 and the upper portion of first buckle 56 all one side curved surface, the planar structure in one side for first buckle 56 and second buckle 57 block very easily, thereby fix.

In fig. 2: the top end of the guide ring 510 is screwed and fixed with the inner side surface of the handrail 6 through screws, and the arrangement of the guide ring 510 enables the transmission rod 59 to only be fixed to move towards the stressed pile at the lower end of the first buckle 56, so that the situation that the transmission rod 59 is not accurately guided due to shaking during movement is avoided.

In fig. 2: a force-bearing pile is arranged below the first buckle 56, and the force-bearing pile and the transmission rod 59 are in the same horizontal line, so that pressing the button 51 can drive the transmission rod 59 to trigger the force-bearing pile.

The utility model discloses a theory of operation is: when the user wants to extend the bottom of the sofa, the access board 37 can be pulled out from the extension groove 2 through the handle 32, and then the bracket 36 is rotated to be adjusted to a proper position to be placed on the ground, the strap 37 is supported and, when the user wants to extend the side of the sofa, by pressing the button 51 exposed outside the arm-rest 6, so that the transmission rod 59 presses the stressed pile at the lower part of the first buckle 56, and further the first buckle 56 contracts towards the inside of the backrest 7, the handrail 6 can be horizontally spread outwards through the rotating shaft 4, at the same time, the button 51 is restored by the contraction of the third spring 511 for the secondary use, and when the user wants to restore the position of the armrest 6, the armrest 6 is rotated inward by the rotation shaft 4, because the upper parts of the second buckle 57 and the first buckle 56 are both curved on one side and flat on one side, the first buckle 56 and the second buckle 57 can be easily clamped and fixed.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a domestic sofa convenient to extend, includes base (1), its characterized in that, the upper surface of base (1) is located both sides edge and all is provided with handrail (6), and rotates through pivot (4) between base (1) and handrail (6) and be connected, the front surface of base (1) has been seted up and has been extended groove (2), the inside that extends groove (2) is provided with bottom extension device (3), the rear side of handrail (6) is provided with back (7), and links to each other through side extension device (5) between handrail (6) and back (7).

2. The household sofa convenient to stretch as claimed in claim 1, wherein the bottom stretching device (3) comprises an access board (37), sliding grooves (31) are arranged on both sides of the access board (37), a handle (32) is arranged on the front side of the access board (37), a bracket (36) is arranged on the lower surface of the access board (37), the access board (37) and the bracket (36) are fixed through a fastening ring (35), a screw hole (34) is formed in the surface of the fastening ring (35), and a screw (33) fixed with the access board (37) is screwed in the screw hole (34).

3. An extensible household sofa according to claim 2, wherein a sliding rail is arranged on the inner side of the extension groove (2) corresponding to the sliding groove (31), and the sliding rail is matched with the sliding groove (31).

4. The household sofa convenient for stretching as claimed in claim 1, wherein the side stretching device (5) comprises a button (51), a limiting post (53) and a limiting pile (54), a limiting ring (52) is arranged at a position of one side of the button (51) inside the armrest (6), a third spring (511) is arranged right below the limiting ring (52), one side of the third spring (511) is fixed with the inner side of the armrest (6) through a fixing ring (512), the other end of the third spring (511) is connected with a transmission rod (59), a guide ring (510) connected with the top end inside the armrest (6) is sleeved at the middle section of the transmission rod (59), a second spring (58) is connected with one end of the limiting post (53), and a second buckle (57) extending to the outside of the armrest (6) is fixed at one end of the second spring (58), one end of the limiting pile (54) is connected with a first spring (55), and one end of the first spring (55) is fixed with a first buckle (56) extending to the outside of the backrest (7).

5. The household sofa for easy stretching as claimed in claim 4, wherein the top end of the guide ring (510) is screwed and fixed with the inner side surface of the armrest (6).

6. The household sofa easy to stretch as claimed in claim 4, wherein a force-bearing pile is arranged below the first buckle (56), and the force-bearing pile and the transmission rod (59) are in the same horizontal line.