CN212995587U

CN212995587U - High firm type sofa bedstead

Info

Publication number: CN212995587U
Application number: CN202021173560.4U
Authority: CN
Inventors: 柳枝
Original assignee: Tianchang Sidak Home Co ltd
Current assignee: Tianchang Sidak Home Co ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-04-20
Anticipated expiration: 2030-06-23

Abstract

The utility model discloses a high stable sofa bed frame, which comprises a soft sofa cover, wherein a first protective cover is arranged at the inner side of the soft sofa cover, the lower end of the first protective sleeve is movably connected with a second protective sleeve, rack plates are fixedly arranged on both sides of the second protective sleeve, the lower ends of the two sides of the first protective sleeve are both fixedly provided with an extension plate, the lower end of the extension plate is fixedly provided with a threaded column, the outer surface of the lower end of the threaded column is movably connected with an internal thread sleeve, the outer surface of the internal thread sleeve is fixedly provided with a gear, the lower end of the internal thread sleeve is movably connected with a connecting block, one side of the inner side of one of the connecting blocks is provided with two limiting holes, the inner side of one of the limiting holes is movably connected with a clamping column, the rope is fixedly connected to one side of the clamping column, a pulling plate is fixedly mounted to one side of the rope, and a loop bar is movably connected to the outer surface of one side of the clamping column. The utility model discloses a firm type is strong, uses comfortablely.

Description

High firm type sofa bedstead

Technical Field

The utility model relates to a sofa bedstead technical field specifically is a high firm type sofa bedstead.

Background

With the rapid development of social economy, the sofa bed is dual-purpose furniture capable of being used as a sofa and a bed, modern living rooms are highly popular and concise in arrangement, multifunctional furniture becomes a popular choice, the sofa bed is one of the furniture, in small-sized living rooms, in order to meet the occasional living needs of visitors, one sofa bed is necessary, and under the common condition, the sofa bed can be placed in a living room or a study room and serves as a seat; in the night when guests come, the sofa bed is unfolded, bedding is paved to form a sleeping bed, in a common house type such as a three-room and two-room, the sofa bed can be outside a sleeping bed for guests to sleep, the owner can be helped to deal with the occasional visits of a plurality of guests, a proper sofa bed is selected to be studied, the sofa bed needs to be firm, durable and attractive in appearance and the material and the process of the sofa bed need to be guaranteed to meet the two functions of sitting and sleeping.

However, the existing sofa bed frame is not strong in stability, and when the sofa bed is unfolded, steps are generated, so that the use is influenced; therefore, the existing requirements are not met, and a high-stability sofa bed frame is provided for the requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high firm type sofa bed frame to the firm type of the sofa bed frame that proposes in solving above-mentioned background art is not strong, when sofa bed expandes, has the step, influences the use scheduling problem.

In order to achieve the above object, the utility model provides a following technical scheme: a high-stability sofa bed frame comprises a sofa soft cover, wherein a first protective cover is arranged at the inner side of the sofa soft cover, the lower end of the first protective sleeve is movably connected with a second protective sleeve, rack plates are fixedly arranged on both sides of the second protective sleeve, the lower ends of the two sides of the first protective sleeve are both fixedly provided with an extension plate, the lower end of the extension plate is fixedly provided with a threaded column, the outer surface of the lower end of the threaded column is movably connected with an internal thread sleeve, the outer surface of the internal thread sleeve is fixedly provided with a gear, the lower end of the internal thread sleeve is movably connected with a connecting block, one side of the inner side of one of the connecting blocks is provided with two limiting holes, the inner side of one of the limiting holes is movably connected with a clamping column, the rope is fixedly connected to one side of the clamping column, a pulling plate is fixedly mounted to one side of the rope, and a loop bar is movably connected to the outer surface of one side of the clamping column.

Preferably, one side of the rack plate is engaged with an outer surface of the gear.

Preferably, the second protective sheath with the equal swing joint in inboard of first protective sheath has the support frame, the support frame includes two steelframes, coupling spring, damping spring and shock attenuation board, two the steelframe is through a plurality of coupling spring coupling, one of them damping spring is installed to the upper end of steelframe, damping plate is installed to damping spring's upper end, the cushion is installed to the upper end of first protective sheath, the cushion is connected through sewing up with first protective sheath.

Preferably, the size of the clamping column is completely the same as that of the limiting hole.

Preferably, both sides of the lower end of the second protective sleeve are fixedly provided with supporting pulleys, and the supporting pulleys and the second protective sleeve are fixed through screws.

Preferably, one end of the second protective sleeve is provided with a limiting groove, and the size of the limiting groove is completely the same as that of the pull plate.

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

1. the utility model pulls the pull plate to pull the rope, and the rope pulls the clamping column to take out the clamping column from the inner side of one of the limiting holes, so that the second protective sleeve loses the limiting, and the device is convenient to adjust and control;

2. the utility model discloses a pulling second protective sheath, make it stretch out, the second protective sheath is when the certain length of pull, can drive gear revolve, the gear drives the internal thread cover and rotates, the internal thread cover drives the screw thread post and rotates, because the screw thread post is spacing, make its internal thread cover screw thread post that stretches out, it goes up and down to drive through the screw thread post and stretch out the board, it moves first protective sheath to stretch out the board and go up and down, when the second protective sheath stimulates when spacing, the up end of cushion keeps at same horizontal plane with the up end of second protective sheath, and there is a great gap between cushion and the second protective sheath, make things convenient for the second protective sheath when the withdrawal, the convenient motion, avoid second protective sheath card to die, make the device excellent in use effect, step phenomenon can not appear.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

FIG. 2 is a schematic view of a partial structure of the support frame of the present invention;

fig. 3 is a schematic view of a partial structure of the second protective sheath of the present invention.

In the figure: 1. a soft cover of the sofa; 2. a cushion; 3. a first protective sheath; 4. a second protective cover; 5. a support pulley; 6. a limiting groove; 7. pulling a plate; 8. a rope; 9. a limiting hole; 10. a support frame; 11. extending the plate; 12. a threaded post; 13. an internal thread sleeve; 14. a gear; 15. connecting blocks; 16. a loop bar; 17. clamping the column; 18. a rack plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to fig. 3, the present invention provides an embodiment: a high-stability sofa bed frame comprises a sofa soft cover 1, wherein a first protective cover 3 is arranged on the inner side of the sofa soft cover 1, the lower end of the first protective cover 3 is movably connected with a second protective cover 4, rack plates 18 are fixedly arranged on two sides of the second protective cover 4, extension plates 11 are fixedly arranged on the lower ends of two sides of the first protective cover 3, threaded columns 12 are fixedly arranged on the lower ends of the extension plates 11, inner threaded sleeves 13 are movably connected on the outer surfaces of the lower ends of the threaded columns 12, gears 14 are fixedly arranged on the outer surfaces of the inner threaded sleeves 13 and extend out by pulling the second protective cover 4, the gears 14 are driven to rotate by the second protective cover 4 when the second protective cover is pulled for a certain length, the gears 14 drive the inner threaded sleeves 13 to rotate, the inner threaded sleeves 13 drive the threaded columns 12 to rotate, the inner threaded sleeves 13 stretch the threaded columns 12 are limited, the extension threaded columns 12 are driven by the threaded, the extension plate 11 drives the first protective sleeve 3 to ascend and descend, when the second protective sleeve 4 is pulled to limit, the upper end surface of the cushion 2 and the upper end surface of the second protective sleeve 4 are kept at the same horizontal plane, a large gap is formed between the cushion 2 and the second protective sleeve 4, the second protective sleeve 4 is convenient to move when retracting, the second protective sleeve 4 is prevented from being clamped, the using effect of the device is good, and the step phenomenon cannot occur, the lower end of the internal thread sleeve 13 is movably connected with a connecting block 15, one side of the inner side of one connecting block 15 is provided with two limiting holes 9, the inner side of one limiting hole 9 is movably connected with a clamping column 17, one side of the clamping column 17 is fixedly connected with a rope 8, one side of the rope 8 is fixedly provided with a pull plate 7, the outer surface of one side of the clamping column 17 is movably connected with a loop bar 16, the rope 8 is pulled by pulling the pull plate 7, the, the clamping column 17 is taken out from the inner side of one of the limiting holes 9, so that the second protective sleeve 4 loses limiting, and the device is convenient to adjust and control.

Further, one side of the rack plate 18 is engaged with the outer surface of the pinion 14, so that the device facilitates transmission.

Further, the equal swing joint in second protective sheath 4 and the inboard of first protective sheath 3 has support frame 10, support frame 10 includes two steelframes, coupling spring, damping spring and shock attenuation board, two steelframes are connected through a plurality of coupling spring, damping spring is installed to the upper end of one of them steelframe, damping plate is installed to damping spring's upper end, cushion 2 is installed to the upper end of first protective sheath 3, cushion 2 is connected through sewing up with first protective sheath 3 for the high steadiness of the device is good.

Further, the size of the card post 17 is the same as the size of the spacing hole 9, and the pulling plate 7 is pulled to pull the rope 8, and the rope 8 pulls the card post 17 to take out the card post 17 from the inner side of one of the spacing holes 9, so that the second protective sleeve 4 loses spacing, and the device is convenient to adjust and control.

Further, the both sides of the lower end of the second protective sleeve 4 are fixedly provided with supporting pulleys 5, and the supporting pulleys 5 are fixed with the second protective sleeve 4 through screws, so that the device can conveniently open the second protective sleeve 4.

Further, one end of the second protective sleeve 4 is provided with a limiting groove 6, and the size of the limiting groove 6 is completely the same as that of the pull plate 7, so that the pull plate 7 can be conveniently opened by the device.

The working principle is as follows: when the device is used, the service condition of each mechanism is checked, the device is moved to a working area, the pulling plate 7 is pulled to pull the rope 8, the rope 8 pulls the clamping column 17 to take the clamping column 17 out of the inner side of one limiting hole 9, the second protective sleeve 4 loses the limiting position, the device is convenient to adjust and control, the second protective sleeve 4 is pulled to extend out, when the second protective sleeve 4 is pulled for a certain length, the gear 14 is driven to rotate, the gear 14 drives the internal thread sleeve 13 to rotate, the internal thread sleeve 13 drives the thread column 12 to rotate, as the thread column 12 is limited, the internal thread sleeve 13 stretches out and draws back the thread column 12, the extending plate 11 is driven to lift by the thread column 12, the extending plate 11 drives the first protective sleeve 3 to lift, when the second protective sleeve 4 is pulled to limit, the upper end face of the cushion 2 and the upper end face of the second protective sleeve 4 are kept at the same horizontal plane, and have a great gap between cushion 2 and the second protective sheath 4, make things convenient for second protective sheath 4 when the withdrawal, the convenient motion avoids the second protective sheath 4 card to die for the device excellent in use effect can not appear the step phenomenon.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a high firm type sofa bedstead, includes sofa soft cover (1), its characterized in that: the sofa soft sleeve is characterized in that a first protective sleeve (3) is installed on the inner side of the sofa soft sleeve (1), a second protective sleeve (4) is movably connected to the lower end of the first protective sleeve (3), rack plates (18) are fixedly installed on the two sides of the second protective sleeve (4), a stretching plate (11) is fixedly installed on the lower end of the two sides of the first protective sleeve (3), a threaded column (12) is fixedly installed on the lower end of the stretching plate (11), an inner threaded sleeve (13) is movably connected to the outer surface of the lower end of the threaded column (12), a gear (14) is fixedly installed on the outer surface of the inner threaded sleeve (13), a connecting block (15) is movably connected to the lower end of the inner threaded sleeve (13), two limiting holes (9) are formed in one side of the inner side of the connecting block (15), and a clamping column (17) is movably, one side fixedly connected with rope (8) of card post (17), one side fixed mounting of rope (8) has arm-tie (7), the surface swing joint of card post (17) one side has loop bar (16).

2. The high firmness sofa sleeper frame of claim 1, wherein: one side of the rack plate (18) is meshed and connected with the outer surface of the gear (14).

3. The high firmness sofa sleeper frame of claim 1, wherein: second protective sheath (4) with the equal swing joint in inboard of first protective sheath (3) has support frame (10), support frame (10) include two steelframes, coupling spring, damping spring and shock attenuation board, two the steelframe is through a plurality of coupling spring coupling, one of them damping spring is installed to the upper end of steelframe, damping plate is installed to damping spring's upper end, cushion (2) are installed to the upper end of first protective sheath (3), cushion (2) are connected through sewing up with first protective sheath (3).

4. The high firmness sofa sleeper frame of claim 1, wherein: the size of the clamping column (17) is completely the same as that of the limiting hole (9).

5. The high firmness sofa sleeper frame of claim 1, wherein: the supporting pulley (5) is fixedly mounted on two sides of the lower end of the second protective sleeve (4), and the supporting pulley (5) is fixed with the second protective sleeve (4) through screws.

6. The high firmness sofa sleeper frame of claim 1, wherein: one end of the second protective sleeve (4) is provided with a limiting groove (6), and the size of the limiting groove (6) is completely the same as that of the pulling plate (7).