CN212546314U - Adjustable sofa with anti-falling headrest - Google Patents

Abstract

The utility model discloses a sofa especially relates to a prevent falling sofa with adjustable headrest, include: supporting seat and sofa bedplate, the supporting seat is two altogether, and two supporting seats are bilateral symmetry and distribute, and fixed sofa bedplate is all rabbeted to the upper and lower both sides between the supporting seat, and sliding connection has the sandwich panel between the sofa bedplate, and the sandwich panel front end has connect the hand rope, and the bayonet socket has been opened to the sofa bedplate lower extreme front side of lower part, and both sides all opened flutedly around the sandwich panel lower extreme, and the equal level of every recess tank bottom is evenly rabbeted and is fixed with six at least springs. When the width of sofa needs to be lengthened, the clamping strip can be extruded out of the bayonet by stretching into the bayonet by hand, and then the sandwich plate is pulled out from the sofa seat plate, so that the width of the sofa seat plate is lengthened along with the pulling of the sandwich plate, and then when a user sleeps on the sofa, the user can be prevented from rolling and falling from the sofa, and the problems that the width of the existing sofa is not long enough and the headrest is difficult to adjust are solved.

Description

Adjustable sofa with anti-falling headrest

Technical Field

The utility model relates to a sofa, especially relate to a prevent falling sofa with adjustable headrest.

Background

The origin of the sofa can be traced back to the ancient Egypt of about 2000 before the first Gregorian, but the soft package sofa with the real meaning appears from the end of the sixteen century to the beginning of the seventeen century, and the sofa at the time mainly uses natural elastic materials such as horsehair, bird feather, plant fluff and the like as fillers and is externally covered by fabrics such as velvet, embroidery and the like to form a multi-seat chair.

The prior sofa is used, the feet of the user cannot be relaxed easily due to the fact that the width of the sofa is fixed and not wide enough, the user can fall off the sofa due to the width problem when the user rolls over while sleeping on the sofa, and the height of the headrest part of the prior sofa is difficult to adjust, so that the user can feel uncomfortable due to too high height or too low height.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the width of the existing sofa is not long enough and the headrest is difficult to adjust, the utility model aims to provide an adjustable sofa capable of preventing the falling of the headrest.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a fall-resistant headrest adjustable sofa comprising: the sofa comprises two supporting seats and a sofa seat plate, the two supporting seats are symmetrically distributed in the left and right direction, the upper side and the lower side between the supporting seats are embedded and fixed with sofa seat boards, sandwich plates are connected between the sofa seat boards in a sliding way, the front end of the sandwich plate is connected with a hand rope, the front side of the lower end of the sofa seat plate at the lower part is provided with a bayonet, the front side and the rear side of the lower end of the sandwich plate are both provided with grooves, the bottom of each groove is horizontally and evenly embedded and fixed with at least six springs, the inside of each groove is elastically connected with a clamping strip through a spring, racks are embedded and fixed at the left end and the right end of the sandwich plate, bearings are embedded and fixed at the four corners of the lower end of the sofa seat plate at the upper part and the four corners of the upper end of the sofa seat plate at the lower part, shaft levers are inserted and rotatably connected between the bearings on the same vertical plane, and tooth columns are inserted and fixed outside each shaft lever; every the inside all runs through of supporting seat and is fixed with violently the pipe, violently manage the upper end left and right sides homogeneous phase and connect the connecting pipe, violently manage inside and be located every connecting pipe one side equal sliding connection and have a first piston, run through between the first piston and be fixed with first piston rod, every first piston rod one end all runs through the supporting seat and has connect the clamp plate mutually, every the clamp plate is close to the one end of violently managing the upper and lower both sides all rotate and be connected with terminal and supporting seat scarf joint and the screw rod of rotating connection, every connecting pipe upper end homogeneous phase has connect the standpipe, every the inside equal sliding connection of standpipe has the second piston, every equal scarf joint in second piston upper end is fixed with the second piston rod, second piston rod upper end extends the standpipe and has connect.

Specifically, the width of bayonet socket is 3cm-5cm, the width of card strip equals with the width of bayonet socket, the card strip inserts bayonet socket inside and bayonet socket joint.

Further, the clamping strip is connected with the spring.

Preferably, the rack is in meshed transmission connection with the toothed column.

Preferably, the horizontal pipe is communicated with a connecting pipe, and the connecting pipe is communicated with the vertical pipe.

Furthermore, screw holes in threaded connection with the screw rods are formed in the upper side and the lower side of one end, close to the transverse pipe, of the pressing plate.

Compared with the prior art, the utility model discloses the beneficial effect who realizes: when the width of the sofa needs to be lengthened, the clamping strip can be inserted into the bayonet by hand to be extruded out of the bayonet, and then the sandwich plate is pulled out from the space between the sofa seat plates, so that the width of the sofa seat plate is lengthened along with the pulling of the sandwich plate, and a user can be prevented from rolling and falling from the sofa when sleeping on the sofa; when the height of headrest is adjusted to needs, through rotating the screw rod, can be along with screw rod and the screw thread fit in the clamp plate, and make the clamp plate toward violently manage the pressure, along with first piston toward violently managing interior pressure, can up crowd the second piston to drive the headrest and up move, and then be convenient for adjust the height of headrest.

Drawings

The invention is described in further detail below with reference to the following figures and detailed description:

FIG. 1 is a general schematic view of the present invention;

FIG. 2 is an enlarged view A of the support seat shown in FIG. 1;

fig. 3 is a schematic view of the lower end of the sandwich plate of the present invention.

In the figure: 100-supporting seat, 101-headrest, 102-horizontal tube, 103-vertical tube, 104-second piston, 105-second piston rod, 106-connecting tube, 107-first piston, 108-first piston rod, 109-pressing plate, 110-screw, 200-sofa seat plate, 201-bayonet, 202-bearing, 203-shaft rod, 204-rack, 205-sandwich plate, 206-spring, 207-groove, 208-toothed column, 209-clamping strip and 210-hand rope.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Referring to fig. 1 to 3, in embodiment 1, an adjustable sofa with a drop-proof headrest includes: the sofa seat comprises a support seat 100 and a sofa seat board 200, the support seat 100 is two, the support seat 100 is distributed in bilateral symmetry, the upper side and the lower side between the support seats 100 are both embedded and fixed with the sofa seat board 200, a sandwich plate 205 is connected between the sofa seat boards 200 in a sliding manner, the front end of the sandwich plate 205 is connected with a hand rope 210, the front side of the lower end of the sofa seat board 200 at the lower part is provided with a bayonet 201, the front side and the rear side of the lower end of the sandwich plate 205 are both provided with grooves 207, the bottoms of the grooves 207 are both horizontally and uniformly embedded and fixed with at least six springs 206, the inside of each groove 207 is elastically connected with a clamping strip 209 through the springs 206, the width of the bayonet 201 is 3cm-5cm, the width of the clamping strip 209 is equal to that of the bayonet 201, the clamping strip 209 is inserted into the bayonet 201 and clamped with the bayonet 201, the, the clamping strip 209 can be pushed out of the bayonet 201 by hand extending into the bayonet 201 in the lower sofa seat board 200, and then the hand rope 210 is held to draw the sandwich plate 205 out from between the sofa seat boards 200;

according to the above embodiment, further, the left and right ends of the sandwich plate 205 are respectively embedded and fixed with a rack 204, the four corners of the lower end of the sofa seat plate 200 at the upper part and the four corners of the upper end of the sofa seat plate 200 at the lower part are respectively embedded and fixed with bearings 202, the bearings 202 on the same vertical plane are inserted and rotatably connected with a shaft rod 203, a tooth column 208 is inserted and fixed outside each shaft rod 203, the rack 204 is in meshing transmission connection with the tooth column 208, when the sandwich plate 205 is drawn out from the sofa seat plate 200, the stability of the movement of the sandwich plate 205 is increased along with the meshing transmission of the rack 204 and the tooth column 208, the tooth column 208 rotates along with the rotation of the shaft rod 203 between the bearings 202, so that the width of the seat plate 200 is increased along with the drawing out of the sandwich plate 205, when the sandwich plate 205 is drawn out to the clamping strip 209 at the rear side corresponds to the bayonet 201, the spring 206 in the groove 207 can eject the clamping strip 209 to be inserted, so that the sandwich panel 205 is fixed between the sofa sleeper plates 200, thereby preventing the user from rolling and falling from the sofa when the user sleeps on the sofa;

embodiment 3, according to the above embodiment, this embodiment is different from the above embodiments in that a horizontal tube 102 penetrates and is fixed inside each support seat 100, connecting tubes 106 are connected to both left and right sides of the upper end of the horizontal tube 102, a first piston 107 is slidably connected inside each horizontal tube 102 and located on one side of each connecting tube 106, a first piston rod 108 penetrates and is fixed between the first pistons 107, one end of each first piston rod 108 penetrates and is connected to a pressure plate 109 through the support seat 100, both upper and lower sides of one end of each pressure plate 109 close to the horizontal tube 102 are rotatably connected to a screw 110, the end of each pressure plate 109 is embedded in and rotatably connected to the support seat 100, both upper and lower sides of one end of each pressure plate 109 close to the horizontal tube 102 are provided with screw holes in threaded connection with the screw 110, by clockwise rotating the two screw rods 110, the pressure plate 109 can drive the first piston rod 108 to press towards the horizontal tube 102 in the support seat 100 along with the threaded engagement, as the first piston rod 108 drives the first piston 107 to press the air into the horizontal tube 102, the air can be pressed into the horizontal tube 102;

preferably, a vertical pipe 103 is connected to the upper end of each connecting pipe 106, a second piston 104 is slidably connected inside each vertical pipe 103, a second piston rod 105 is fixedly embedded in the upper end of each second piston 104, a headrest 101 is connected to the upper end of each second piston rod 105 by extending out of the vertical pipe 103, the horizontal pipe 102 is communicated with the connecting pipe 106, the connecting pipe 106 is communicated with the vertical pipe 103, and when air is extruded into the horizontal pipe 102, the air can be transmitted into the vertical pipe 103 through the connecting pipe 106 to push the second piston 104 upwards, so that the headrest 101 is driven to move upwards through the second piston rod 105, and when the headrest 101 needs to be adjusted to move downwards, the screw 110 can be rotated anticlockwise, so that the pressing plate 109 moves towards one end far away from the horizontal pipe 102, so that the headrest 101 is driven to move downwards, and the height of the headrest 101 is convenient to adjust.

Claims (6)

1. The utility model provides a prevent falling sofa with adjustable headrest which characterized in that includes:

the sofa comprises two supporting seats and a sofa seat plate, the two supporting seats are symmetrically distributed in the left and right direction, the upper side and the lower side between the supporting seats are embedded and fixed with sofa seat boards, sandwich plates are connected between the sofa seat boards in a sliding way, the front end of the sandwich plate is connected with a hand rope, the front side of the lower end of the sofa seat plate at the lower part is provided with a bayonet, the front side and the rear side of the lower end of the sandwich plate are both provided with grooves, the bottom of each groove is horizontally and evenly embedded and fixed with at least six springs, the inside of each groove is elastically connected with a clamping strip through a spring, racks are embedded and fixed at the left end and the right end of the sandwich plate, bearings are embedded and fixed at the four corners of the lower end of the sofa seat plate at the upper part and the four corners of the upper end of the sofa seat plate at the lower part, shaft levers are inserted and rotatably connected between the bearings on the same vertical plane, and tooth columns are inserted and fixed outside each shaft lever; every the inside all runs through of supporting seat and is fixed with violently the pipe, violently manage the upper end left and right sides homogeneous phase and connect the connecting pipe, violently manage inside and be located every connecting pipe one side equal sliding connection and have a first piston, run through between the first piston and be fixed with first piston rod, every first piston rod one end all runs through the supporting seat and has connect the clamp plate mutually, every the clamp plate is close to the one end of violently managing the upper and lower both sides all rotate and be connected with terminal and supporting seat scarf joint and the screw rod of rotating connection, every connecting pipe upper end homogeneous phase has connect the standpipe, every the inside equal sliding connection of standpipe has the second piston, every equal scarf joint in second piston upper end is fixed with the second piston rod, second piston rod upper end extends the standpipe and has connect.

2. The adjustable sofa of claim 1, wherein the drop-resistant headrest comprises: the width of bayonet socket is 3cm-5cm, the width of card strip equals with the width of bayonet socket, the card strip inserts bayonet socket inside and bayonet socket joint.

3. The adjustable sofa of claim 1, wherein the drop-resistant headrest comprises: the clamping strip is connected with the spring.

4. The adjustable sofa of claim 1, wherein the drop-resistant headrest comprises: the rack is in meshed transmission connection with the toothed column.

5. The adjustable sofa of claim 1, wherein the drop-resistant headrest comprises: the horizontal pipe is communicated with a connecting pipe, and the connecting pipe is communicated with the vertical pipe.

6. The adjustable sofa of claim 1, wherein the drop-resistant headrest comprises: screw holes in threaded connection with the screw rods are formed in the upper side and the lower side of one end, close to the transverse pipe, of the pressing plate.

Images