CN219895162U - Detachable armrest anti-drop sofa - Google Patents

Abstract

The utility model relates to the field of sofas, in particular to a detachable armrest anti-drop sofa, which comprises a frame, wherein armrests are detachably connected to the frame through a plurality of groups of connecting components, the connecting components comprise a first connecting piece and a second connecting piece which are spliced mutually, the splicing directions of all the connecting components are the same, the sofa also comprises a backrest which is detachably connected with the frame through a fastener, a clamping component is connected between the backrest and the armrests, the clamping component comprises a limiting pin and a clamping piece, a through groove for clamping the limiting pin is formed in the clamping piece, the splicing direction of the limiting pin is opposite to or forms a certain angle with the splicing direction of the connecting components, and the opening of the through groove for clamping the limiting pin is opposite to or forms a certain angle with the splicing direction of the connecting components, so that the limiting pin plays a limiting role in the release of the armrests, and the problem that the armrests are easy to drop from the frame is relieved.

Description

Detachable armrest anti-drop sofa

Technical Field

The utility model relates to the field of sofas, in particular to a detachable armrest anti-drop sofa.

Background

The sofa is common furniture, along with the improvement of the living standard of people, the specification requirement of the sofa is more and more, the volume of the sofa is also more and more, and the existing sofa can be made into a detachable sofa in order to be convenient for the transportation and the carrying of the sofa. The sofa generally comprises a main body frame, armrests and a backrest, wherein the armrests and the backrest can be detachably connected with the main body frame, so that workers can conveniently and separately carry the armrests, the backrest and the frame, but in the existing detachable sofa, the armrests and the frame are generally detached in an inserting mode, so that the sofa is convenient to detach and easy to fall off, and potential safety hazards of use exist.

Disclosure of Invention

In order to alleviate the problem that armrests and frames are easy to fall off, the utility model provides a detachable armrests anti-falling sofa.

The utility model provides a detachable armrest anti-drop sofa which adopts the following technical scheme:

the utility model provides a detachable handrail anticreep sofa, which comprises a frame, be connected with the handrail through a plurality of group coupling assembling detachably on the frame, coupling assembling is including the first connecting piece and the second connecting piece of pegging graft mutually, the grafting direction of all coupling assembling is the same, this sofa still includes the back of being connected through the fastener with the frame can be dismantled, be connected with joint subassembly between back and the handrail, joint subassembly includes the spacer pin, the joint spare, the logical groove that is used for the joint spacer pin has been seted up on the joint spare, the grafting direction of spacer pin is opposite or becomes certain angle with coupling assembling's grafting direction.

Through adopting above-mentioned technical scheme, the handrail passes through the grafting effect of first connecting piece and second connecting piece to be connected on the frame, and the spacer pin on the back is connected with the joint spare joint on the handrail, plays the restriction effect to the grafting of first connecting piece and second connecting piece, need overcome the restriction effect of spacer pin and joint spare when making the handrail break away from the frame to alleviate the problem that the handrail easily drops from the handrail.

Further preferably, the clamping piece comprises a clamping main body, a through groove is formed in the clamping main body in a penetrating mode, an anti-falling nut is fixed at the end portion, away from the backrest, of the limiting pin, the diameter of the anti-falling nut is larger than the width of the through groove, and the diameter of the limiting pin is smaller than the width of the through groove.

Through adopting above-mentioned technical scheme, set up anticreep nut on the spacing round pin, the diameter size of anticreep nut is greater than logical groove width to make the spacer pin break away from with the joint piece from the opening part that leads to the groove only, and the opening orientation that leads to the groove is opposite or become certain angle with coupling assembling's grafting direction, thereby guarantee when back and frame connection, handrail and frame can not break away from.

Further preferably, the limiting pin is provided with threads, and the limiting pin is in threaded connection with the backrest.

Through adopting above-mentioned technical scheme, the spacer pin can be dismantled with back threaded connection, the spacer pin of being convenient for is changed, threaded connection between spacer pin and the back in addition, under the state that spacer pin and back keep being connected, can adjust the interval between anticreep nut and the back to a certain extent, thereby adjust the distance between handrail and the back, in addition after the spacer pin joint is on the joint spare, accessible rotation anticreep nut screws spacer pin and back, thereby strengthen the connection effect between back and the handrail.

It is further preferred that the second connector comprises a second connector body and the first connector comprises a first connector body having a T-shaped slot for receiving the second connector body.

Through adopting above-mentioned technical scheme, first connecting piece and second connecting piece peg graft with the second connecting body through first connecting body respectively, first connecting body is C type and has the T type groove that is used for pegging graft the second connecting body, make the second connecting body only can insert or break away from along the both sides notch department in T type groove, avoid the second connecting body to break away from with first connecting body when bearing perpendicular grafting direction effort, T type groove in first connecting body and the second connecting body all is big-end-up structure, when making first connecting body from top to bottom and T type groove grafting assembly, more the card is tighter.

Further preferably, a limiting block for preventing the second connecting body from sliding out of the notch is fixedly arranged at the notch of one side of the T-shaped groove.

Through adopting above-mentioned technical scheme, fixed stopper that sets up in T type groove one side notch department makes the second connecting body insert or roll-off from T type groove opposite side notch department only, makes the grafting direction of first connecting body and second connecting body unique to the joint subassembly between installation handrail and the back of being convenient for and confirm the opening orientation of the logical groove on the joint spare.

It is further preferred that the first connector is fixedly connected to the frame and the second connector is fixedly connected to the armrest.

Through adopting above-mentioned technical scheme, first connecting piece and stabilizer blade are all fixed on the frame, and the second connecting piece is fixed on the handrail, is in inserting the T type inslot in first connecting piece with the second connecting piece when first connecting piece and second connecting piece are pegged graft, consequently need carry the handrail of installation second connecting piece and remove, and the frame of installation first connecting piece then the accessible stabilizer blade is placed subaerial, does not need to remove or carry to stability when improving the grafting.

It is further preferred that the first connector is fixedly connected to the armrest and the second connector is fixedly connected to the frame.

Through adopting above-mentioned technical scheme, first connecting piece and stabilizer blade are all fixed on the handrail, and the second connecting piece is fixed on the frame, is in inserting the T type inslot in first connecting piece with the second connecting piece when first connecting piece and second connecting piece are pegged graft, consequently need carry the frame of installation second connecting piece and remove, and the handrail of installation first connecting piece then the accessible stabilizer blade is placed subaerial, does not need to remove or carry to stability when improving the grafting.

Further preferably, the sofa comprises a plurality of frames which can be spliced, two adjacent frames are connected through a plurality of groups of buckle components, each buckle component comprises two buckle parts, two buckle parts in each buckle component are fixedly connected with the two adjacent frames respectively, and a buckle gap for buckling another buckle part is reserved between each buckle part and each frame.

Through adopting above-mentioned technical scheme, set up a plurality of frame, connect two adjacent frames through the buckle spare of looks lock joint between adjacent frame to can splice out not unidimensional sofa frame according to the user demand, install back and handrail according to sofa frame again.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. according to the utility model, the armrests are connected with the frame in an inserting way through the connecting component, the clamping component for clamping the limiting pin and the clamping piece is arranged between the backrest and the armrests, and the opening of the through groove for clamping the limiting pin faces to the opposite direction or forms a certain angle with the inserting direction of the connecting component, so that the limiting pin plays a limiting role on the detachment of the armrests, and the problem that the armrests are easy to drop from the frame is solved;

2. in the further arrangement of the utility model, the first connecting main body in the connecting assembly is C-shaped and is provided with the T-shaped groove, so that the second connecting main body can only be inserted into or separated from the notch of the T-shaped groove when being spliced, and the second connecting main body is prevented from being separated from the first connecting main body when bearing the acting force in the vertical splicing direction;

3. in the further arrangement of the utility model, the limiting block is fixed at the notch at one side of the T-shaped groove, so that the second connecting main body can only be inserted into or separated from the notch at the other side of the T-shaped groove, thereby defining the plugging direction of the connecting assembly.

Drawings

FIG. 1 is a schematic perspective view of a detachable armrest anti-drop sofa;

FIG. 2 is an exploded view of a removable armrest anti-slip sofa;

FIG. 3 is another exploded view of a removable armrest anti-slip sofa;

FIG. 4 is an enlarged schematic view of A in FIG. 3;

FIG. 5 is an enlarged schematic view of B in FIG. 3;

FIG. 6 is an exploded view of the buckle assembly;

FIG. 7 is a snap assembly is a schematic diagram of assembly;

FIG. 8 is an exploded view of the connection assembly;

FIG. 9 is an assembled schematic view of the connection assembly;

FIG. 10 is an exploded view of the clamping assembly;

fig. 11 is an assembled schematic view of the snap-in assembly.

Reference numerals illustrate: 1. a frame; 2. an armrest; 3. a backrest; 4. a support leg; 51. a first connector; 511. a first connection body; 512. a T-shaped groove; 513. a third mounting hole; 514. a limiting block; 52. a second connector; 521. a second connecting body; 522. a second mounting hole; 61. a clamping piece; 611. a second fixing plate; 612. a fourth mounting hole; 613. a clamping main body; 614. a through groove; 615. an opening; 62. a limiting pin; 63. a drop-proof nut; 7. a clip; 71. a clamping plate; 72. a clip slit; 73. a first fixing plate; 74. a first mounting hole; 75. avoiding the groove.

Detailed Description

The present utility model will be described in further detail with reference to fig. 1 to 11.

The embodiment of the utility model discloses a detachable armrest anti-drop sofa, which comprises a frame 1, armrests 2, a backrest 3 and supporting legs 4, wherein the armrests 2 and the backrest 3 are detachably connected with the frame 1, the frame 1 and the armrests 2 are connected through a plurality of groups of connecting components, the backrest 3 is connected with the frame 1 through fasteners, the supporting legs 4 are fixedly arranged at the bottom of the frame 1 or the bottom of the armrests 2 according to the installation mode of the connecting components, the clamping components are connected between the armrests 2 and the backrest 3, and the clamping components are matched with the connecting components to relieve the problem that the armrests 2 are easy to drop from the frame 1, so that the use safety of the armrests 2 is improved. In addition, according to the requirements of users, a plurality of frames 1 which can be spliced can be arranged on the sofa, so that the sofa is in a shape required by the users, and if the long-strip-shaped sofa required by the users is arranged, two or more frames 1 are arranged in a line; if the user needs the sofa of L type, then set up three and above frame 1 concatenation and go out the sofa main part of L type, and connect through a plurality of groups buckle subassembly between the adjacent face of two adjacent frames 1.

Specifically, the present utility model provides the following several embodiments.

Example 1

For the buckle assembly, as shown in fig. 4 and fig. 5, the buckle assembly comprises two buckle parts 7, the two buckle parts 7 are respectively fixed on two adjacent frames 1, and as shown in fig. 6 and fig. 7, a buckle gap 72 for buckling the other buckle part 7 is reserved between the buckle part 7 and the frame 1.

Specifically, the fastener 7 includes a clamping plate 71, a first fixing plate 73 fixed on two sides of the clamping plate 71, a first mounting hole 74 for penetrating a bolt is formed in the first fixing plate 73, the whole fastener 7 can be integrally formed and is shaped like a Chinese character 'ji', an avoidance groove 75 is formed in a bending position of the clamping plate 71 and the first fixing plate 73, and interference is avoided when the two fastener 7 are fastened.

When the fastening member 7 is fixed to the frame 1, the first fixing plate 73 in the fastening member 7 is attached to the frame 1, the first fixing plate 73 can be fixed to the frame 1 through the first mounting hole 74 by self-tapping bolts, at this time, the fastening plate 71 is not in contact with the frame 1, and the space between the fastening plate 71 and the frame 1 is the fastening slit 72 for fastening the fastening plate 71 of the other fastening member 7, so that the space between the fastening plate 71 and the frame 1 needs to be larger than the thickness of the fastening plate 71.

In this embodiment, the latch 7 fixed on the left frame 1 has the escape groove 75 formed therein facing downward, and the latch 7 fixed on the right frame 1 has the escape groove 75 formed therein facing upward, so that the left frame 1 moves from top to bottom to make the clip 71 on the latch 7 on the left snap fit into the clip slit 72 on the latch 7 on the right side.

In other embodiments, the opposite direction of the avoidance groove 75 on the fastener 7 on the left and right side frames 1 is sufficient, if the fastener 7 fixed on the left side frame 1 is provided with the avoidance groove 75 facing backward, the fastener 7 fixed on the right side frame 1 is provided with the avoidance groove 75 facing forward, and at this time, the left side frame 1 moves from front to back to make the clip 71 on the left side fastener 7 clip into the clip slit 72 on the right side fastener 7.

It should be noted that several sets of fastening assemblies may be connected between two adjacent frames 1, and the avoiding grooves 75 of the fastening members 7 fixed on the same end surface of the same frame 1 are oriented identically. Such as: when three frames 1 are arranged in a row, the left end face and the right end face of the middle frame 1 are all required to be connected with the clamping pieces 7, then all the clamping pieces 7 connected on the left end face of the middle frame 1 are provided with avoidance grooves 75 which face the same, all the clamping pieces 7 connected on the right end face of the middle frame 1 are provided with avoidance grooves 75 which face the same, but the directions of the clamping pieces 7 on the left end face and the right end face of the middle frame 1 are different, and the directions of the avoidance grooves 75 which face the middle frame 1 are provided with can be different.

Example two

As for the connection components, as shown in fig. 8 and 9, the connection components comprise a first connection piece 51 and a second connection piece 52 which are spliced with each other, a plurality of groups of connection components are connected between the armrests 2 and the frame 1, the splicing directions of all the connection components are the same, and when two armrests 2 are connected to the frame 1, the splicing directions of the connection components between the two armrests 2 and the frame 1 are the same, so that standardized production and installation are facilitated.

Specifically, the first connecting member 51 includes a first connecting body 511, the first connecting body 511 is C-shaped, the first connecting body 511 has a T-shaped slot 512, the second connecting member 52 includes a second connecting body 521, the second connecting body 521 is inserted into the T-shaped slot 512 on the first connecting body 511, and a stopper 514 for preventing the second connecting body 521 from sliding out of the slot is fixed at a slot of one side of the T-shaped slot 512.

In this embodiment, the first connecting member 51 and the second connecting member 52 are respectively provided with a second mounting hole 522 and a third mounting hole 513, and the first connecting member 51 and the second connecting member 52 can be respectively fixed to the armrest 2 and the frame 1 by penetrating bolts, when the first connecting member 51 is fixed to the armrest 2, the second connecting member 52 is fixed to the frame 1, and the leg 4 is also fixed to the armrest 2; when the first connection piece 51 is fixed to the frame 1, the second connection piece 52 is fixed to the armrest 2, in which case the foot 4 is also fixed to the frame 1.

During the installation, the second connection body 521 is inserted into the T-shaped groove 512 in the first connection body 511, so that the first connection body 511 remains stationary, and the worker moves the second connection body 521 for insertion. Thus, the support leg 4 and the first connecting piece 51 are on the same component, namely, the support leg 4 and the first connecting piece 51 are installed on the frame 1, and the second connecting piece 52 is installed on the armrest 2, at the moment, the frame 1 is kept motionless, and a worker moves the armrest 2 for splicing; or the support leg 4 and the first connecting piece 51 are installed on the armrest 2, and the second connecting piece 52 is installed on the frame 1, at this time, the armrest 2 is kept still, and a worker moves the frame 1 for splicing.

In this embodiment, the stopper 514 is fixed at the lower slot of the T-shaped slot 512, so that the second connecting body 521 can only be inserted from the upper slot of the T-shaped slot 512, and in addition, when the first connecting member 51 and the second connecting member 52 are installed along the vertical direction, the second connecting member 52 can be separated from the first connecting member 51 by applying a force on the second connecting member 52 along the vertical direction, which is easy to cause the handrail 2 to drop from the frame 1, and the use safety is low.

Therefore, when the first connecting member 51 and the second connecting member 52 are mounted, the notch of the T-shaped slot 512 is offset by a certain angle from the vertical direction, so that the second connecting member 52 is not easy to fall off when the second connecting member 52 is applied with a force in the vertical direction, the anti-falling effect of the second connecting member 52 and the first connecting member 51 is enhanced, but the anti-falling reliability is still lower, that is, when the direction of the acting force applied to the second connecting member 52 is the same as the notch direction of the T-shaped slot 512 in the use process, the second connecting member 52 is still easy to separate from the first connecting member 51.

To enhance the anti-falling effect, the contact surface of the first connection body 511 and the second connection body 521 may be ground or barbed to enhance friction.

Example III

For the clamping assembly, as shown in fig. 10 and 11, the clamping assembly comprises a limiting pin 62 and a clamping piece 61, wherein the limiting pin 62 is fixedly connected with the backrest 3, the clamping piece 61 is fixedly connected with the handrail 2, the clamping piece 61 comprises a clamping main body 613, two sides of the clamping main body 613 are fixedly provided with second fixing plates 611, the second fixing plates 611 are provided with fourth mounting holes 612, bolts can penetrate through the fourth mounting holes 612 and fix the clamping piece 61 to the handrail 2, the clamping piece 61 can be integrally formed, the clamping main body 613 is provided with through grooves 614 which are used for clamping the limiting pin 62 and are provided with openings 615, the through grooves 614 are U-shaped, and the openings 615 of the through grooves 614 face opposite to or form a certain angle with the inserting direction of the connecting assembly.

The limiting pin 62 is provided with threads, the limiting pin 62 is in threaded connection with the backrest 3, the end part of one side, far away from the backrest 3, of the limiting pin 62 is fixedly provided with a separation preventing nut 63, the diameter of the separation preventing nut 63 is larger than the width of the through groove 614, and the diameter of the limiting pin 62 is smaller than the width of the through groove 614.

Since the opening 615 of the through slot 614 faces in the opposite direction or is at an angle to the plugging direction of the connection assembly, when the second connection body 521 in the connection assembly needs to be separated from the T-shaped slot 512, the second connection body 521 needs to move in the opposite direction of plugging, and the handrail 2 can be prevented from sliding under the restriction effect of the limiting pin 62 and the clamping member 61, so that the second connection member 52 can be prevented from being separated from the first connection member 51. It should be noted that the clamping assembly is mainly directed to the mounting embodiment of the second connector 52 on the handrail 2.

The diameter of the anti-drop nut 63 is larger than the width of the through groove 614, so that the limiting pin 62 can only be separated from the clamping piece 61 from the opening 615 of the through groove 614, and the limiting pin 62 is prevented from being separated from the clamping piece 61 along the direction of the opening 615 of the vertical through groove 614 when the anti-drop nut 63 acts.

The spacer pin 62 is detachable with the backrest 3 in threaded connection, the spacer pin 62 is convenient to replace, in addition, in the process of connecting the spacer pin 62 with the backrest 3, the distance between the anticreep nut 63 and the backrest 3 can be adjusted according to the requirement, so that the tightness degree between the handrail 2 and the backrest 3 is adjusted, in addition, after the spacer pin 62 is clamped on the clamping piece 61, the spacer pin 62 and the backrest 3 are screwed through the rotation of the anticreep nut 63, and the connecting effect between the backrest 3 and the handrail 2 is enhanced.

In order to facilitate the rotation of the clamped limiting pin 62, the clamping piece 61 is shaped like a Chinese character 'ji', and a space for avoiding the rotation of the anti-drop nut 63 is reserved.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (8)

1. The utility model provides a detachable handrail anticreep sofa, includes frame (1), be connected with handrail (2) through a plurality of group coupling assembling detachably on frame (1), coupling assembling is including first connecting piece (51) and the second connecting piece (52) of pegging graft mutually, all coupling assembling's grafting direction is the same, its characterized in that, this sofa still include with frame (1) pass through backrest (3) that the fastener can be dismantled and be connected, backrest (3) with be connected with the joint subassembly between handrail (2), the joint subassembly includes spacer pin (62), joint spare (61), offered on joint spare (61) and be used for the joint logical groove (614) of spacer pin (62), the grafting direction of spacer pin (62) with coupling assembling's grafting direction is opposite or become certain angle.

2. The detachable armrest anti-drop sofa according to claim 1, wherein the clamping piece (61) comprises a clamping main body (613), the clamping main body (613) is provided with a through groove (614) in a penetrating way, the end part of one side of the limiting pin (62) far away from the backrest (3) is fixed with an anti-drop nut (63), the diameter of the anti-drop nut (63) is larger than the width of the through groove (614) and the diameter of the limiting pin (62) is smaller than the width of the through groove (614).

3. The detachable armrest anti-drop sofa according to claim 2, characterized in that the limit pin (62) is threaded, and the limit pin (62) is in threaded connection with the backrest (3).

4. The detachable armrest anti-drop sofa according to claim 1, characterized in that said second connection element (52) comprises a second connection body (521), said first connection element (51) comprises a first connection body (511), said first connection body (511) having a T-shaped slot (512) for plugging in said second connection body (521).

5. The detachable armrest anti-drop sofa according to claim 4, wherein a stopper (514) for preventing the second connecting body (521) from sliding out of the notch is fixedly provided at the notch on one side of the T-shaped groove (512).

6. A detachable armrest anti-drop sofa according to claim 4 or 5, characterized in that said first connecting element (51) is fixedly connected to said frame (1) and said second connecting element (52) is fixedly connected to said armrest (2).

7. A detachable armrest anti-drop sofa according to claim 4 or 5, characterized in that said first connecting element (51) is fixedly connected to said armrest (2) and said second connecting element (52) is fixedly connected to said frame (1).

8. The detachable armrest anti-drop sofa according to claim 1, characterized in that it comprises a plurality of frames (1) which can be spliced, wherein two adjacent frames (1) are connected through a plurality of groups of buckle components, each buckle component comprises two buckle components (7), two buckle components (7) in each buckle component are fixedly connected with two adjacent frames (1), and a buckle gap (72) for buckling the other buckle component (7) is reserved between each buckle component (7) and each frame (1).