CN211431849U

CN211431849U - Comfortable single sofa

Info

Publication number: CN211431849U
Application number: CN202020068763.0U
Authority: CN
Inventors: 吴成; 张晶
Original assignee: QIANGLI FURNITURE GROUP CO LTD
Current assignee: QIANGLI FURNITURE GROUP CO LTD
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2020-09-08
Anticipated expiration: 2030-01-13

Abstract

The utility model relates to a comfortable single sofa, which comprises sofa support legs, a sofa body, a cushion, armrests and a backrest; the sofa body comprises a base plate which is horizontally arranged and fixed on the sofa supporting legs; the cushion comprises a leather protective layer which is wrapped and fixed on the base plate and an elastic soft layer which is filled between the base plate and the protective layer; the armrests are fixedly connected to the base plate and located on two sides of the cushion; the backrest is fixedly connected to the base plate, and two sides of the backrest are fixedly connected with the armrests; the supporting rod is horizontally arranged on one side, close to the outer edge, of the protective layer; the lifting device is fixedly connected on the base plate, and the upper end of the lifting device is fixedly connected with the lower part of the supporting rod. The utility model discloses a institutional advancement for when people sit the rest, back, waist, both arms, thigh and shank homoenergetic are effectively relaxed.

Description

Comfortable single sofa

Technical Field

The utility model relates to furniture, in particular to a comfortable single sofa.

Background

The origin of the sofa dates back to the ancient egypt of about 2000 b.c. but the soft package sofa with the real meaning appears from the end of the sixteen century to the beginning of the seventeen century. In the prior art, the sofa was primarily filled with natural elastic materials such as horsehair, bird feathers, and plant down, and was externally covered with fabrics such as velvet and embroidery to form a soft body-contacting surface. The warrior (Farthingle) chair, popular for the public as in europe at that time, was one of the earliest couches. Reviewing the development history of sofas in China, the "Yuji" of the Han Dynasty should be first introduced. The seat "Yu Ji" with thick layer of fabric, described in the Xijing miscellaneous records, can be regarded as the ancestor of the Chinese sofa.

Sofas have been a necessary piece of furniture for many households. The current sofa mainly comprises a sofa body, a cushion arranged on the sofa body and handrails arranged on the sofa body and positioned at two sides of the cushion, so that when people lie on the sofa for rest, the back, the waist, two arms and thighs can be effectively relaxed.

The existing sofa has a problem in use, when people sit on the sofa to have a rest, the feet of the people are supported on the ground, and the people basically sit in the office to work all the day, and the lower legs have a certain varicosity problem, so that the lower legs cannot be loosened after the people sit on the sofa; meanwhile, with the increase of the using time of the sofa, the cushion has a flat collapse phenomenon, and the later use basically loses the relaxing effect on the crus.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a comfortable type single sofa, it is through structural improvement for when people sit the rest, back, waist, both arms, thigh and shank homoenergetic are effectively relaxed.

The above object of the present invention can be achieved by the following technical solutions: a comfortable single sofa comprises sofa support legs, a sofa body, a cushion, armrests and a backrest; the sofa body comprises a base plate which is horizontally arranged and fixed on the sofa supporting legs; the cushion comprises a leather protective layer which is wrapped and fixed on the base plate and an elastic soft layer which is filled between the base plate and the protective layer; the armrests are fixedly connected to the base plate and located on two sides of the cushion; the backrest is fixedly connected to the base plate, and two sides of the backrest are fixedly connected with the armrests; the supporting rod is horizontally arranged on one side, close to the outer edge, of the protective layer; the lifting device is fixedly connected on the base plate, and the upper end of the lifting device is fixedly connected with the lower part of the supporting rod.

By adopting the technical scheme, when the supporting device is used, the supporting rod is lifted by the lifting device, and the supporting rod jacks up a strip-shaped protruding part on the protective layer; after a person sits on the cushion, because the supporting rod is positioned on one side, close to the outer edge, of the protective layer, the bent part of the leg of the person can be upwards supported, so that the foot part leaves the ground, the shank can be effectively relaxed, and then when the person sits for rest, the back, the waist, the two arms, the thigh and the shank can be effectively relaxed.

The utility model discloses further set up to: the upper surface of the supporting rod is an arc-shaped surface protruding upwards.

By adopting the technical scheme, the leg bending of a person can be more comfortable after being put on the supporting rod.

The utility model discloses further set up to: the lifting device comprises a cylindrical base, a sliding barrel which slides vertically is matched in the base, a bottom plate is horizontally and fixedly connected to the lower end of the base, the bottom plate is fixedly connected with a base plate, a vertically arranged lead screw is rotatably supported on the base plate and the bottom plate, a hand wheel is arranged at one end of the lead screw, which is positioned below the base plate, and one end of the lead screw, which is positioned in the sliding barrel, is in threaded connection with the sliding barrel; the upper end of the sliding barrel is fixedly connected with the lower surface of the supporting rod.

By adopting the technical scheme, when the device is used, the lead screw is screwed through the hand wheel, the lead screw rotates to drive the sliding barrel to slide up and down, the sliding barrel drives the supporting rod to move up and down, and the supporting height of the supporting rod is adjusted; the base and the sliding barrel are matched in a sliding mode through the cylindrical component, the lead screw is located inside the sliding barrel, the sliding barrel is smooth in sliding due to good centering performance, meanwhile, stress on the supporting rod is often unbalanced due to the fact that the human body sits, and the supporting rod is enabled to have a good supporting foundation due to the sliding fit of the cylindrical component.

The utility model discloses further set up to: two groups of lifting devices are arranged below the supporting rod.

Through adopting above-mentioned technical scheme, make the bracing piece can be better bear human shank pressure.

The utility model discloses further set up to: the screw rod is connected with a screw rod nut in a threaded manner, the screw rod nut is sleeved with a transition sleeve, and the transition sleeve is fixedly connected with the inside of the sliding barrel.

Through adopting above-mentioned technical scheme, the diameter that the setting of transition cover made a sliding section of thick bamboo can do relatively is a little bigger, and the guide effect is better when sliding, also is better to the supporting role of bracing piece.

The utility model discloses further set up to: the outer wall lower part at screw nut outwards protrudes and is formed with the card edge, is provided with external screw thread and threaded connection on screw nut's outer wall upper portion and has the back of the body cap, and the transition cover overlaps on screw nut outer wall and limits between card edge and back of the body cap, has seted up the keyway on transition cover and screw nut and is provided with the key in the keyway.

Through adopting above-mentioned technical scheme for the transition cover is comparatively convenient with being connected of lead screw.

The utility model discloses further set up to: the outer wall of the sliding sleeve is provided with a yielding groove corresponding to the position of the transition sleeve, a pin and a screw are arranged in the yielding groove, and the pin and the screw penetrate through the sliding sleeve and are connected with the transition sleeve.

By adopting the technical scheme, the sliding barrel is conveniently and fixedly connected with the transition sleeve.

The utility model discloses further set up to: the position department that corresponds the lead screw on the base plate has seted up the hole of stepping down, the position department that corresponds the lead screw on the bottom plate has seted up the counter bore, the main aspects of counter bore is located the downside, there are two bearings at lead screw lower extreme tight fit, the bearing that is located the below inlays and installs in the counter bore main aspects and the lower part threaded connection who is located the below bearing on the lead screw has gland nut, the bearing that is located the top supports on the base plate upper surface and the upper portion rigid coupling that is located the top bearing on the lead screw has the fender ring.

Through adopting above-mentioned technical scheme, keep off ring and gland nut cooperation and make two bearings can play better gyration support effect.

To sum up, the utility model discloses following beneficial effect has:

1. when the chair is used, the supporting rod is lifted by the lifting device, the supporting rod jacks up a strip-shaped protruding part on the protective layer, when a person sits on the cushion, the bent part of the leg of the person can be upwards supported because the supporting rod is positioned at one side, close to the outer edge, of the protective layer, so that the foot part leaves the ground, the lower leg can be effectively relaxed, and the back, the waist, the two arms, the thigh and the lower leg can be effectively relaxed when the person sits for rest;

2. two sets of lifting devices are arranged, so that the supporting rods can better bear the pressure of legs of a human body.

Drawings

FIG. 1 is a schematic structural view of a comfortable single sofa;

figure 2 is a cross-sectional view of the seat cushion and the lifting device.

In the figure, 1, a sofa body; 10. a substrate; 2. a cushion; 20. a protective layer; 21. a soft layer; 3. a handrail; 4. a support bar; 5. a lifting device; 50. a base; 51. a sliding barrel; 52. a base plate; 53. a lead screw; 530. a lead screw nut; 531. a baffle ring; 54. a hand wheel; 55. a transition sleeve; 56. carrying a cap; 57. a bearing; 58. and (5) pressing the nut.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Examples

Referring to fig. 1 and 2, a comfortable single sofa comprises a sofa body 1, a cushion 2, armrests 3, a support rod 4 and a lifting device 5; the sofa body 1 comprises a base plate 10 which is horizontally arranged, and the base plate 10 is fixed on a sofa supporting leg; the cushion 2 comprises a leather protective layer 20 wrapped and fixed on the base plate 10 and an elastic soft layer 21 filled between the base plate 10 and the protective layer 21, wherein the soft layer 21 can adopt sponge; the armrests 3 are fixedly connected to the base plate 10 and are positioned on two sides of the cushion 2; the backrest is fixedly connected with the base plate 10, and two sides of the backrest are fixedly connected with the armrests 3; the support rod 4 is horizontally arranged on one side of the protective layer 20 close to the outer edge; the lifting device 5 is fixedly connected to the base plate 10, and the upper end of the lifting device is fixedly connected to the lower part of the support rod 4.

When the device is used, the supporting rod 4 is lifted by the lifting device 5, and the supporting rod 4 jacks up a strip-shaped convex part on the protective layer 20; after a person sits on the seat cushion 2, because the support rod 4 is positioned at one side of the protective layer 20 close to the outer edge, the bent part of the leg of the person can be upwards supported, so that the foot part leaves the ground, and the lower leg can be effectively relaxed.

The upper surface of the supporting rod 4 is an arc surface protruding upwards; thus, the legs of the person can be more comfortable after being bent and placed on the chair.

The lifting device 5 comprises a cylindrical base 50, a sliding barrel 51 which slides vertically is matched in the base 50, a bottom plate 52 is horizontally and fixedly connected to the lower end of the base 50, the bottom plate 52 is fixedly connected with the base plate 10, a vertically arranged lead screw 53 is rotatably supported on the base plate 10 and the bottom plate 52, a hand wheel 54 is arranged at one end of the lead screw 53 below the base plate 10, and one end of the lead screw 53 in the sliding barrel 51 is in threaded connection with the sliding barrel 51; the upper end of the sliding cylinder 51 is fixedly connected with the lower surface of the support rod 4.

When the device is used, the lead screw 53 is screwed through the hand wheel 54, the lead screw 53 rotates to drive the sliding barrel 51 to slide up and down, the sliding barrel 51 drives the support rod 4 to move up and down, and the support height of the support rod 4 is adjusted; the base 50 and the sliding barrel 51 are matched in a sliding mode through a cylindrical component, the screw rod 53 is located inside the sliding barrel 51, the sliding barrel 51 is smooth in sliding due to good centering performance, meanwhile, stress on the supporting rod 4 is often unbalanced due to the fact that a human body sits, and the supporting rod 4 is enabled to have a good supporting foundation due to the sliding fit of the cylindrical component.

In order to make the support rod 4 bear the pressure of the legs of the human body better, two groups of lifting devices 5 are arranged below the support rod 4.

The screw 53 is connected with a screw nut 530 through a thread, the screw nut 530 is sleeved with a transition sleeve 55, and the transition sleeve 55 is fixedly connected with the inside of the sliding barrel 51. The transition sleeve 55 is arranged to make the diameter of the sliding barrel 51 relatively larger, so that the guide function is better when sliding, and the support function for the support rod 4 is also better. Specifically, a clamping edge is formed at the lower part of the outer wall of the lead screw nut 530 in an outward protruding manner, an external thread is arranged at the upper part of the outer wall of the lead screw nut 530 and is in threaded connection with a back cap 56, a transition sleeve 55 is sleeved on the outer wall of the lead screw nut 530 and is limited between the clamping edge and the back cap 56, key grooves are formed in the transition sleeve 55 and the lead screw nut 530, and keys are arranged in the key grooves; the key may limit rotation of the transition sleeve 55 on the lead screw nut 530. A yielding groove is arranged on the outer wall of the sliding sleeve 51 corresponding to the transition sleeve 55, and a pin and a screw are arranged in the yielding groove and penetrate through the sliding sleeve 51 to be connected with the transition sleeve 55.

A yielding hole is formed in the position, corresponding to the lead screw 53, of the base plate 10, a counter bore is formed in the position, corresponding to the lead screw 53, of the bottom plate 52, the large end of the counter bore is located on the lower side, two bearings are tightly matched with the lower end of the lead screw 53, the lower bearing 57 is embedded in the large end of the counter bore, the lower portion, located on the lower bearing 57, of the lead screw 53 is connected with a compression nut 58 in a threaded mode, the upper bearing 57 is supported on the upper surface of the base plate 10, and a retaining ring 531 is fixedly connected to the upper portion, located on the upper bearing 57, of the lead screw 53; the stop ring 531 and the compression nut 58 cooperate to enable the two bearings 57 to achieve a better rotation supporting effect.

The embodiment of this embodiment is the utility model discloses preferred embodiment is not according to this restriction the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A comfortable single sofa comprises sofa support legs, a sofa body (1), a cushion (2), armrests (3) and a backrest; the sofa body (1) comprises a base plate (10) which is horizontally arranged, and the base plate (10) is fixed on the sofa supporting leg; the cushion (2) comprises a leather protective layer (20) which is wrapped and fixed on the base plate (10) and an elastic soft layer (21) which is filled between the base plate (10) and the protective layer (20); the armrests (3) are fixedly connected to the base plate (10) and are positioned on two sides of the cushion (2); the backrest is fixedly connected with the base plate (10) and two sides of the backrest are fixedly connected with the armrests (3); the method is characterized in that: the device also comprises a supporting rod (4) and a lifting device (5), wherein the supporting rod (4) is horizontally arranged on one side, close to the outer edge, of the protective layer (20); the lifting device (5) is fixedly connected on the base plate (10) and the upper end of the lifting device is fixedly connected with the lower part of the supporting rod (4).

2. A comfortable single sofa as claimed in claim 1, wherein: the upper surface of the supporting rod (4) is an arc surface which protrudes upwards.

3. A comfortable single sofa as claimed in claim 1, wherein: the lifting device (5) comprises a cylindrical base (50), a sliding barrel (51) which slides vertically is matched in the base (50), a bottom plate (52) is horizontally and fixedly connected to the lower end of the base (50), the bottom plate (52) is fixedly connected with the base plate (10), a vertically arranged lead screw (53) is rotatably supported on the base plate (10) and the bottom plate (52), a hand wheel (54) is arranged at one end of the lead screw (53) below the base plate (10), and one end of the lead screw (53) in the sliding barrel (51) is in threaded connection with the sliding barrel (51); the upper end of the sliding barrel (51) is fixedly connected with the lower surface of the support rod (4).

4. A comfortable single sofa as claimed in claim 3, wherein: two groups of lifting devices (5) are arranged below the supporting rod (4).

5. A comfortable single sofa as claimed in claim 4, wherein: the screw rod (53) is in threaded connection with a screw rod nut (530), the screw rod nut (530) is sleeved with a transition sleeve (55), and the transition sleeve (55) is fixedly connected with the inside of the sliding barrel (51).

6. A comfortable single sofa as claimed in claim 5, wherein: the lower portion of the outer wall of the screw nut (530) protrudes outwards to form a clamping edge, the upper portion of the outer wall of the screw nut (530) is provided with an external thread and is connected with a back cap (56) in a threaded mode, the transition sleeve (55) is sleeved on the outer wall of the screw nut (530) and limited between the clamping edge and the back cap (56), key grooves are formed in the transition sleeve (55) and the screw nut (530), and keys are arranged in the key grooves.

7. A comfortable single sofa as claimed in claim 5, wherein: the outer wall of the sliding sleeve is provided with a yielding groove corresponding to the transition sleeve (55), a pin and a screw are arranged in the yielding groove, and the pin and the screw penetrate through the sliding sleeve (51) and are connected with the transition sleeve (55).

8. A comfortable single sofa as claimed in claim 3, wherein: the structure comprises a base plate (10), a yielding hole is formed in the position, corresponding to a lead screw (53), of the base plate (10), a counter bore is formed in the position, corresponding to the lead screw (53), of the base plate (52), the large end of the counter bore is located on the lower side, two bearings (57) are tightly matched with the lower end of the lead screw (53), the bearing (57) located below is embedded in the large end of the counter bore, the lower portion of the lead screw (53), located on the lower portion of the bearing (57), is connected with a compression nut (58) in a threaded mode, the bearing (57) located above is supported on the upper surface of the base plate (10), and a retaining ring (531) is fixedly connected to the upper portion of the lead screw (53), located on the upper.