CN213487962U - Limiting mechanism of turnover sofa bed - Google Patents

Limiting mechanism of turnover sofa bed Download PDF

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Publication number
CN213487962U
CN213487962U CN202021231138.XU CN202021231138U CN213487962U CN 213487962 U CN213487962 U CN 213487962U CN 202021231138 U CN202021231138 U CN 202021231138U CN 213487962 U CN213487962 U CN 213487962U
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China
Prior art keywords
frame
movable base
limiting
sofa bed
rod
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CN202021231138.XU
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Chinese (zh)
Inventor
黄发金
章亮
朱正领
黄传胜
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Anji Yongyi Shangpin Furniture Co ltd
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Anji Yongyi Shangpin Furniture Co ltd
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Priority to CN202021231138.XU priority Critical patent/CN213487962U/en
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Abstract

The utility model discloses a limiting mechanism of a turnover sofa bed, which comprises a movable base, armrest components, a limiting block and a limiting rod, wherein the armrest components are symmetrically arranged at left and right intervals; both sides of the third frame are respectively hinged with the handrail components; in a furled state, the second frame is overturned and folded below the third frame, and the second frame and the third frame are stacked above the first frame; the limiting block is arranged on one of the movable base or the third frame, the limiting rod is arranged on the other of the third frame or the movable base and is perpendicular to the third frame or the movable base, the limiting rod is abutted against the limiting block to enable the front end of the third frame to tilt in a furled state, and the tilting angle is 5-15 degrees. This practicality makes the perk of third frame front end under the folded state through above-mentioned design, makes the people use comfortable down, can not glide, and the design is more humanized.

Description

Limiting mechanism of turnover sofa bed
Technical Field
The utility model relates to a sofa field, in particular to stop gear of upset sofa bed.
Background
The sofa bed is dual-purpose furniture capable of being used as a sofa and a bed, modern living rooms are highly appreciated, and multifunctional furniture is a popular choice. In a small dwelling, a sofa bed is necessary to meet the occasional visitor's living needs. In general, the sofa bed can be placed in a living room or a study room and can serve as a seat; at night when guests come, the sofa bed is unfolded, and the bed is just a bed after bedding is laid. In a common house type such as a three-room and two-room, the sofa bed can be outside the sleeping bed for people to sleep, and the master is helped to deal with occasional visits by a plurality of guests. The selection of a proper sofa bed is ingenious, the sofa bed needs to meet the two functions of sitting and lying, is firm, durable and attractive, the material and the process of the sofa bed are guaranteed, and the existing sofa bed has various conversion modes including folding, turning and stretching modes.
In the case of a convertible sofa bed, the convertible sofa bed is generally formed by laminating two to three layers of bed boards or frames when being folded, and a sofa capable of sitting is formed in the folded state.
Disclosure of Invention
The utility model overcomes exist not enough among the above-mentioned prior art, provide a stop gear of upset sofa bed, this stop gear passes through the cooperation of restriction pole with the restriction piece for the slight perk of third frame front end under the folded state makes the people use comfortable down, can not produce the gliding, and the design is more humanized.
The technical scheme of the utility model is realized like this:
a limiting mechanism of a turnover sofa bed comprises a movable base, armrest components symmetrically arranged at left and right intervals, and a limiting block and a limiting rod which are mutually abutted and matched, wherein a first frame, a second frame and a third frame are arranged between the movable base and the armrest components, and the second frame and the third frame are both square frames; both sides of the third frame are respectively hinged with the armrest components; in a furled state, the second frame is overturned and folded below the third frame, and the second frame and the third frame are stacked above the first frame; the limiting block is arranged on one of the movable base or the third frame, the limiting rod is arranged on the other of the third frame or the movable base and is perpendicular to the third frame or the movable base, the limiting rod is abutted against the limiting block to enable the front end of the third frame to tilt in a furled state, and the tilting angle is 5-15 degrees.
Preferably, the limiting blocks are arranged on the left side and the right side of the movable base, and the limiting rods are correspondingly arranged on the left side and the right side of the third frame; in a furled state, the third frame is stacked above the movable base, and the limiting rod is abutted with the limiting block. The limiting rod can limit the turnover of the third frame in a furled state, is arranged on two sides and does not interfere with normal use.
Preferably, the first frame is positioned at the upper end of the movable base, one end of the second frame is hinged with the movable base, and the other end of the second frame, which is far away from the movable base, is hinged with the third frame; in the unfolded state, the first frame, the second frame and the third frame are positioned on the same plane, and the limiting rod is supported on the ground. The restraining bar may also provide vertical support force on the floor when supported in the deployed state.
Preferably, one end of the first frame is hinged with the movable base. So that the first frame can open the space under the movable base.
Preferably, the movable base comprises a front baffle plate and supporting frames, the front baffle plate is vertically arranged at the front end of the movable base, the supporting frames are arranged on the left side and the right side of the movable base, the supporting frames are vertically arranged and comprise front and rear vertical rods, an upper cross rod and a lower cross rod, the first frame is supported by the two upper cross rods, and the limiting blocks are fixedly arranged on the lower cross rod. Therefore, the limiting block moves along with the movable base and can lift the third frame when being matched with the limiting rod, so that a user can sit comfortably.
Preferably, the front end and the rear end of the lower cross bar are respectively provided with a vertically downward roller. The gyro wheel makes the removal activity base in-process more light laborsaving.
Adopted above-mentioned technical scheme the utility model discloses a design departure point, theory and beneficial effect are:
the utility model discloses a stop gear of upset sofa bed through the cooperation of restriction pole with the restriction piece for under the state of drawing in, the slight perk of third frame front end makes the people use comfortable down, can not produce the gliding, and the design is more humanized.
Furthermore, the limiting block is fixedly arranged on the movable base, so that the limiting block is matched with the limiting rod to lift the limiting rod in a furled state, and the limiting rod can be separated from the limiting block to fall to the ground in an opened state, so that the first frame, the second frame and the third frame are all at the same height in a tiled state.
Drawings
Fig. 1 is a schematic perspective view of a sofa bed in a folded state according to an embodiment of the present invention;
fig. 2 is a schematic perspective view illustrating the second and third frames drawn up according to the embodiment of the present invention;
fig. 3 is a schematic perspective view of the second and third frames of the present invention when half opened according to the embodiment of the present invention;
fig. 4 is a schematic perspective view of the sofa bed according to the embodiment of the present invention in the unfolded state;
fig. 5 is a schematic perspective view of the lower side of the sofa bed in the unfolded state according to the embodiment of the present invention;
fig. 6 is a schematic perspective view of the movable base connected to the first, second, and third frames according to the embodiment of the present invention;
fig. 7 is a schematic perspective view illustrating a connection between the first and second frames and the movable base according to the embodiment of the present invention;
fig. 8 is a schematic perspective view illustrating a connection structure between the second frame and the third frame according to an embodiment of the present invention;
fig. 9 is a schematic perspective view illustrating a connection between the armrest assemblies according to an embodiment of the present invention.
The figures are numbered: a movable base 1; a handrail assembly 2; a first frame 3; a second frame 4; a third frame 5; a front baffle 6; a support frame 7; a front upright rod 8; a rear upright rod 9; an upper cross bar 10; a lower cross bar 11; a connecting plate 12; a housing space 13; a rotating member 14; the connecting vertical plate 14 a; the upright 14 b; a U-shaped connecting piece 15; a support plate 16; a rotating shaft 17; a first rotating base 4 a; a second rotary base 5 a; a limiting mechanism 18; a limiting block 19; a restricting lever 20; a transverse plate 20 a; a longitudinal bar 20 b; a connecting member 21; a flexible support net 22; a through hole 23; and a roller 24.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
In the description of the present invention, the term "at least one" means one or more unless explicitly defined otherwise. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The specific implementation manner of the utility model is as follows:
the utility model discloses a stop gear is sofa bed's important component, and the sofa bed is whole to be introduced in detail next: as shown in fig. 1-9, the present embodiment provides a sofa bed with a turnover structure, which includes a movable base 1 and an armrest assembly 2, wherein a first frame 3, a second frame 4, and a third frame 5 are disposed between the movable base 1 and the armrest assembly 2 along a stretching direction, and the first frame 3, the second frame 4, and the third frame 5 are square frames.
As shown in fig. 4-7, the movable base 1 is located at the front end of the sofa bed, and the movable base 1 includes a front baffle 6 vertically arranged at the front end and a support frame 7 connected to two sides of the front baffle 6; the supporting frame 7 comprises front and rear upright posts 8 and 9, and upper and lower cross bars 10 and 11; the front end and the rear end of the bottom of the lower cross bar 11 are respectively connected with a roller 24 which faces downwards vertically, and the rollers 24 roll along the ground in the state change process of the sofa bed; a connecting plate 12 is arranged at the rear end of the upper cross bar 10, the connecting plate 12 is fixed on the side surface of the rear end of the upper cross bar 10 through screw connection, the connecting plate 12 protrudes backwards from the upper cross bar 10, and the rear end of the connecting plate 12 extends towards the direction obliquely upwards and backwards; the first frame 3 is always positioned right above the movable base 1, two sides of the rear end of the first frame 3 are respectively hinged with the upper part of the front end of the connecting plate 12, the front end of the first frame 3 is lapped at the upper end of the front upright rod 8, the movable base 1 is internally provided with a containing space 13, and the containing space 13 can be opened for storing articles by turning the first frame 3 upwards in an unfolded state, so that the sofa has more abundant functions; the two sides of the front end of the second frame 4 are respectively hinged with the rear end of the connecting plate 12, and concretely speaking: the left side and the right side of the front end of the second frame 4 are respectively provided with a rotating part 14, the rotating part 14 comprises a connecting upright plate 14a and a transversely arranged upright post 14b, the upright post 14b is vertical to the connecting upright plate 14a, the connecting upright plate 15 is welded on the left side and the right side of the second frame 4, the upright post 16 is provided with a through hole 23, the corresponding position of the second connecting plate 12 is provided with the through hole 23, and the rotating part 14 is in rotating fit with the connecting plate 12 through a rotating shaft 17; and after the second frame 4 and the first frame 3 are respectively hinged with the connecting plate 12, a gap is left between the first frame 3 and the second frame 4, so that the front end of the second frame 4 does not interfere with the rear end of the first frame 3 in the rotation process of the second frame 4.
As shown in fig. 2, 3, 4, 8, and 9, the third frame 5 is located between the armrest assemblies 2 at the left and right sides, and two sides of the rear end of the third frame 5 are respectively rotatably engaged with the armrest assemblies 2, specifically: the two sides of the rear end of the third frame 5 are respectively provided with a U-shaped connecting seat 15, the front end of the U-shaped connecting seat 15 is clamped on the two sides of the third frame 5 and is fixedly connected with the third frame 5 through screws, the rear end of the U-shaped connecting seat 15 protrudes out of the third frame 5, a supporting plate 16 is arranged at the corresponding position of the armrest component 2, through holes 23 are respectively arranged at the rear end of the U-shaped connecting seat 15 and the supporting plate 16, and a rotating shaft 17 is arranged on the through holes 23 in a penetrating manner so as to enable the third frame 5 to be rotatably connected with the armrest component 2; and the front end of the third frame 5 is hinged with the rear end of the second frame 4 through a hinge, and concretely speaking: the rear end of the second frame 4 is symmetrically provided with a first rotating seat 4a, the front end of the third frame 5 is provided with a second rotating seat 5a at the corresponding position, the second rotating seat 4a and the third rotating seat 5a are in hinged fit, and after the second rotating seat 4a and the third rotating seat 5a are hinged, the rotating angle range of the second frame 4 is 170-180 degrees.
As shown in fig. 6, a limiting mechanism 18 is further disposed between the third frame 5 and the movable base 1, the limiting mechanism 18 includes a limiting block 19 and a limiting rod 20, which are matched with each other, and the specific implementation manner is as follows: the limiting rod 20 comprises a transverse plate 20a and a longitudinal rod 20b, the longitudinal rod 20b is welded at the middle position of the transverse plate 20a, the longitudinal rod 20b protrudes downwards from the transverse plate 20a, the transverse plate 20a is fixed on the left side and the right side of the front part of the third frame 5 through screw connection, the longitudinal rod 20b is perpendicular to the third frame 5, the limiting blocks 19 are correspondingly arranged on the left side and the right side of the movable base 1, and specifically, the limiting blocks 19 are fixedly arranged on the lower cross rod 11 of the supporting frame 7; in a furled state, the third frame 5 is stacked above the movable base, the limiting rod 20 is abutted with the limiting block 19, and the front end of the third frame 5 is tilted after the abutment, wherein the tilting angle is 5-15 degrees, so that the leg support effect of the front end is better when a human body uses the frame, and the experience is more comfortable; in the unfolded state, the restricting bar 20 is supported on the ground to provide a supporting force in the vertical direction of the third supporting frame 5.
As shown in fig. 6-9, the first, second and third frames 3, 4 and 5 are respectively and uniformly distributed with flexible supporting nets 22 for supporting, and the flexible supporting nets 22 can provide good supporting effect, so that the human body is more comfortable when in use; and a connecting rod 21 is arranged between the handrail components 2 at the left side and the right side, two sides of the connecting rod 21 are respectively connected and fixed with the handrail components 2 through screws, and the connecting rod 21 can enable the handrail components 2 to keep a stable supporting situation.
In summary, the sofa bed conversion process of the turnover structure is as follows: as shown in fig. 1, at this time, the sofa bed is in a folded state, the second frame 4 is folded under the third frame 5, the second and third frames 4, 5 are stacked above the first frame 3, and the limiting rod 20 abuts against the limiting block 19 to provide a supporting force for the third frame 5; in the process of conversion, as shown in fig. 2 and 3, firstly, the second and third frames 4 and 5 are turned upwards to lift the second and third frames 4 and 5, and at the same time, the movable base 1 is pulled out forwards, and in the process of pulling out the movable base 1 forwards, the movable base 1 drives the second frame 4 to turn forwards, so that the front end of the second frame 4 is turned from the rear position (shown in fig. 2) to the front position (shown in fig. 3) from the lower part; the movable base is pulled continuously to finally convert the sofa bed into the unfolding state, as shown in fig. 4, at this time, the second and third frames 4 and 5 are unfolded flatly and at the same height as the first frame 3, the limiting rod 20 is supported on the ground, and the sofa bed is converted from the sofa state into the bed state.

Claims (6)

1. The utility model provides a stop gear of upset sofa bed which characterized in that: the handrail device comprises a movable base, handrail components, limiting blocks and limiting rods, wherein the handrail components are symmetrically arranged at left and right intervals, the limiting blocks and the limiting rods are mutually abutted and matched, a first frame, a second frame and a third frame are arranged between the movable base and the handrail components, and the second frame and the third frame are both square frames; both sides of the third frame are respectively hinged with the armrest components; in a furled state, the second frame is overturned and folded below the third frame, and the second frame and the third frame are stacked above the first frame; the limiting block is arranged on one of the movable base or the third frame, the limiting rod is arranged on the other of the third frame or the movable base and is perpendicular to the third frame or the movable base, the limiting rod is abutted against the limiting block to enable the front end of the third frame to tilt in a furled state, and the tilting angle is 5-15 degrees.
2. The limit mechanism of a convertible sofa bed as claimed in claim 1, wherein: the limiting blocks are arranged on the left side and the right side of the movable base, and the limiting rods are correspondingly arranged on the left side and the right side of the third frame; in a furled state, the third frame is stacked above the movable base, and the limiting rod is abutted with the limiting block.
3. The limit mechanism of a convertible sofa bed as claimed in claim 1, wherein: the first frame is positioned at the upper end of the movable base, one end of the second frame is hinged with the movable base, and the other end of the second frame, which is far away from the movable base, is hinged with the third frame; in the unfolded state, the first frame, the second frame and the third frame are positioned on the same plane, and the limiting rod is supported on the ground.
4. The limit mechanism of a convertible sofa bed according to claim 3, wherein: one end of the first frame is hinged with the movable base.
5. The limit mechanism of a convertible sofa bed as claimed in claim 1, wherein: the movable base comprises a front baffle plate and supporting frames, the front baffle plate is vertically arranged at the front end of the movable base, the supporting frames are arranged on the left side and the right side of the movable base, the supporting frames are vertically arranged and comprise front and rear vertical rods, an upper cross rod and a lower cross rod, the first frame is supported by the two upper cross rods, and the limiting blocks are fixedly arranged on the lower cross rod.
6. The limit mechanism of the convertible sofa bed according to claim 5, wherein: the front end and the rear end of the lower cross rod are respectively provided with a vertical downward roller.
CN202021231138.XU 2020-06-29 2020-06-29 Limiting mechanism of turnover sofa bed Active CN213487962U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021231138.XU CN213487962U (en) 2020-06-29 2020-06-29 Limiting mechanism of turnover sofa bed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021231138.XU CN213487962U (en) 2020-06-29 2020-06-29 Limiting mechanism of turnover sofa bed

Publications (1)

Publication Number Publication Date
CN213487962U true CN213487962U (en) 2021-06-22

Family

ID=76434440

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021231138.XU Active CN213487962U (en) 2020-06-29 2020-06-29 Limiting mechanism of turnover sofa bed

Country Status (1)

Country Link
CN (1) CN213487962U (en)

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