CN216166439U - Sofa and rotary locking mechanism for sofa - Google Patents
Sofa and rotary locking mechanism for sofa Download PDFInfo
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- CN216166439U CN216166439U CN202121772198.7U CN202121772198U CN216166439U CN 216166439 U CN216166439 U CN 216166439U CN 202121772198 U CN202121772198 U CN 202121772198U CN 216166439 U CN216166439 U CN 216166439U
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- sofa
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- sliding seat
- seat
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Abstract
The utility model discloses a sofa and a rotary locking mechanism for the sofa, wherein the sofa comprises a base, a sliding seat arranged on the base, a rotary disc sleeved on the sliding seat and a locking device for locking the rotary disc on the sliding seat, the locking device comprises a positioning needle fixed on the base, a spring module connected between the base and the sliding seat and two locking grooves which are arranged at the edge of a disc track outside the rotary disc by 180 degrees and are matched with the positioning needle, and under the elastic action of the spring module, the locking grooves are sleeved outside the positioning needle in a sleeving manner, so that the rotary disc cannot rotate; the sliding seat and/or the rotating disc are pushed outwards, the locking groove on the outer side of the rotating disc is separated from the positioning needle, the rotating disc is rotated by 180 degrees, and the other locking groove on the outer side of the rotating disc is sleeved outside the positioning needle in a clamping mode under the elastic force action of the spring module and is locked again, so that the use requirement of the functional sofa is met.
Description
The technical field is as follows:
the utility model relates to the field of sofa accessories, in particular to a sofa and a rotary locking mechanism for the sofa.
Background art:
the "sofa" is a foreign word, which is produced according to the transliteration of the english word "sofa", and is a upholstered multi-seat chair, which includes a back-rest chair equipped with springs or thick foam, etc., and armrests on both sides, which is one of soft furniture.
With the improvement of living conditions of people, most families have the sofa, at present, the length of the sofa is generally fixed and can not be extended, when the number of users is large, a longer sofa is needed, but when the sofa is not used, the longer sofa occupies a larger space and brings inconvenience to people, and therefore the novel sofa with the extendable length is provided.
In view of the above, the present invention proposes the following technical solutions.
The utility model has the following contents:
the utility model aims to overcome the defects of the prior art and provides a rotary locking mechanism for a sofa and the sofa.
In order to solve the technical problem, the utility model adopts the following first technical scheme: the rotating locking mechanism for the sofa comprises a base, a sliding seat arranged on the base in a sliding mode, a rotating disc sleeved on the sliding seat and capable of rotating relative to the sliding seat, and a locking device used for locking the rotating disc on the sliding seat, wherein the locking device comprises a positioning needle fixed on the base, a spring module connected between the base and the sliding seat, and two locking grooves which are arranged on the disc track side outside the rotating disc at 180 degrees and are matched with the positioning needle, and the locking grooves are sleeved outside the positioning needle under the elastic force action of the spring module.
Furthermore, in the above technical solution, the spring module includes a first spring and a second spring connected between the base and the sliding seat and distributed in parallel, and the first spring and the second spring are located at two sides of the positioning pin.
Further, in the above technical solution, a first connection ring and a second connection ring are disposed at an end of the sliding seat; the base is provided with a first connecting column and a second connecting column, and two ends of the first spring are respectively hooked with the first connecting ring and the first connecting column; and two ends of the second spring are respectively hooked on the second connecting ring and the second connecting column.
Further, in the above technical solution, a cylinder is formed at the upper end of the sliding seat; the center of the rotating disc is provided with a rotating cylinder sleeve, the rotating cylinder sleeve is sleeved on the periphery of the cylinder, and the lower end of the rotating cylinder sleeve is contacted with the upper end face of the sliding seat, so that a gap is formed between the lower end face of the rotating disc and the upper end face of the sliding seat.
Further, in the above technical solution, sliding grooves are provided on both sides of the upper end of the base; the two sides of the sliding seat are respectively penetrated in the sliding groove and can slide in the sliding groove.
Furthermore, in the above technical solution, the base includes a bottom plate located at the bottom, a first heightening plate and a second heightening plate fixed at two sides of the upper end of the bottom plate, a first cover plate fixed on the first heightening plate and having a size larger than that of the first heightening plate, and a second cover plate fixed on the second heightening plate and having a size larger than that of the second heightening plate, wherein the sliding groove is formed among the first cover plate, the first heightening plate and the bottom plate; the sliding groove is formed among the second cover plate, the second heightening plate and the bottom plate.
Furthermore, in the above technical solution, the base is provided with a plurality of first screw holes, and the first screws pass through the first screw holes to fix the base on the sofa seat; the rotating disc is provided with a plurality of second screw holes, and second screws penetrate through the second screw holes to fix the rotating disc on the sofa backrest.
In order to solve the above technical problem, the present invention adopts the following second technical solution: the sofa comprises a sofa rotary locking mechanism, a sofa seat and a backrest, wherein the sofa rotary locking mechanism is arranged between the sofa seat and the backrest.
Further, in the above technical solution, one side of the upper end of the sofa seat is provided with a first inclined plane, and the base is mounted on the first inclined plane; one side of the lower end of the backrest is provided with a second inclined plane, and the rotating disc is installed on the second inclined plane.
Further, in the above technical solution, the backrest is rotated by the sofa rotation locking mechanism to be inclined with the sofa seat, or the backrest is rotated by the sofa rotation locking mechanism to be integrated with the sofa seat, so that the back surface of the backrest and the upper end surface of the sofa seat are located on the same plane.
After adopting the technical scheme, compared with the prior art, the utility model has the following beneficial effects:
1. in the rotary locking mechanism for the sofa, the locking groove on the outer side of the rotary disc is sleeved outside the positioning needle under the elastic force action of the spring module, so that the rotary disc cannot rotate; when the rotating disc needs to be rotated, the sliding seat and/or the rotating disc are pushed outwards, the lock groove on the outer side of the rotating disc is separated from the outside of the positioning needle, then the rotating disc rotates 180 degrees relative to the sliding seat along the positioning needle, and the lock groove is arranged on the edge of the disc track, so that the rotating disc cannot be clamped during rotation.
2. When the sofa is used, the backrest inclines relative to the sofa seat to be used as a conventional sofa with the backrest, the locking groove at the outer side of the rotating disc is sleeved outside the positioning needle under the elastic action of the spring module, so that the rotating disc cannot rotate, the backrest is stably positioned at the rear side of the sofa seat and inclines relative to the sofa seat; when the backrest needs to be rotated to the state that the back surface of the backrest is flush with the upper end surface of the sofa seat, and the backrest is used as an extension structure of the sofa seat, the backrest is pushed outwards to drive the sliding seat and/or the rotating disc to slide relative to the base, so that the locking groove on the outer side of the rotating disc is separated from the outside of the positioning pin, the backrest can be rotated by 180 degrees at the moment, the other locking groove on the outer side of the rotating disc is close to the positioning pin, and the locking groove is clamped outside the positioning pin under the elastic action of the spring module and is locked again, so that the sofa seat is longer, the use requirement of a functional sofa is met, and the problem that a longer sofa occupies a larger space is solved.
Description of the drawings:
FIG. 1 is a perspective view of the rotational locking mechanism for a sofa of the present invention;
FIG. 2 is a perspective view of the sofa rotational locking mechanism of the present invention from another perspective;
FIG. 3 is a front view of the rotational locking mechanism for the sofa of the present invention;
FIG. 4 is an exploded perspective view of the rotational locking mechanism for the sofa of the present invention;
FIG. 5 is a first state view of the sofa of the present invention;
fig. 6 is a second state view of the sofa of the present invention.
The specific implementation mode is as follows:
the utility model is further illustrated below with reference to specific embodiments and the accompanying drawings.
Referring to fig. 1-4, a sofa rotation locking mechanism is disclosed, which comprises a base 1, a sliding seat 2 slidably mounted on the base 1, a rotating disc 3 sleeved on the sliding seat 2 and capable of rotating relative to the sliding seat 2, and a locking device 4 for locking the rotating disc 3 on the sliding seat 2, wherein the locking device 4 comprises a positioning pin 41 fixed on the base 1, a spring module connected between the base 1 and the sliding seat 2, and two locking grooves 43 arranged at 180 degrees on the outer side of the rotating disc 3 and adapted to the positioning pin 41, and under the elastic force of the spring module, the locking grooves 43 are clamped on the outer side of the positioning pin 41. In a conventional state, the locking groove 43 on the outer side of the rotary disk 3 is sleeved outside the positioning needle 41 under the elastic force action of the spring module, so that the rotary disk 3 cannot rotate; when the rotating disc 3 needs to be rotated, the sliding seat 2 and/or the rotating disc 3 are/is pushed outwards, so that the locking groove 43 on the outer side of the rotating disc 3 leaves the outside of the positioning needle 41, then the rotating disc 3 rotates 180 degrees along the positioning needle relative to the sliding seat 2, and the locking groove is arranged on the edge of the disc track, so that the rotating disc cannot be clamped during rotation, at the moment, the other locking groove 43 on the outer side of the rotating disc 3 is clamped outside the positioning needle 41 under the elastic force action of the spring module, and is locked again, so that the use requirement of the functional sofa is met.
The positioning needle 41 is cylindrical, so that the rotating disc 3 can rotate stably without blockage.
The two sides of the upper end of the base 1 are provided with sliding chutes 10; the two sides of the sliding seat 2 are respectively penetrated into the sliding groove 10 and can slide in the sliding groove 10, so that the sliding seat 2 can be ensured to stably slide on the base 1. Specifically, the base 1 includes a bottom plate 11 located at the bottom, a first raised plate 12 and a second raised plate 13 fixed to both sides of the upper end of the bottom plate 11, a first cover plate 14 fixed to the first raised plate 12 and having a size larger than that of the first raised plate 12, and a second cover plate 15 fixed to the second raised plate 13 and having a size larger than that of the second raised plate 13, wherein the sliding groove 10 is formed among the first cover plate 14, the first raised plate 12 and the bottom plate 11; the sliding groove 10 is formed among the second cover plate 15, the second heightening plate 13 and the bottom plate 11, the assembly structure is simple, the parts are convenient to process, and the cost is low.
The spring module comprises a first spring 421 and a second spring 422 which are connected between the base 1 and the sliding seat 2 and are distributed in parallel, and the first spring 421 and the second spring 422 are positioned at two sides of the positioning pin 41. Adopt parallel distribution's first spring 421 and second spring 422 as elastic element, can make sliding seat 2 stably assemble on base 1, and the structure is more steady, and sliding seat 2 slip process atress is more even, and it is more smooth and easy to slide.
A first connecting ring 21 and a second connecting ring 22 are arranged at the end part of the sliding seat 2; a first connecting post 101 and a second connecting post 102 are arranged on the base 1, and two ends of the first spring 421 hook the first connecting ring 21 and the first connecting post 101 respectively; the two ends of the second spring 422 hook the second connection ring 22 and the second connection post 102, respectively, and the assembly structure is very simple.
A cylinder 23 is formed at the upper end of the sliding seat 2; a rotating sleeve 31 is formed at the center of the rotating disc 3, the rotating sleeve 31 is sleeved on the periphery of the cylinder 23, and the lower end of the rotating sleeve 31 contacts with the upper end face of the sliding seat 2, so that a gap is formed between the lower end face of the rotating disc 3 and the upper end face of the sliding seat 2.
A plurality of first screw holes 103 are formed in the base 1, and first screws penetrate through the first screw holes 103 to fix the base 1 on a sofa seat; the rotating disk 3 is provided with a plurality of second screw holes 32, and second screws pass through the second screw holes 32 to fix the rotating disk 3 to the sofa backrest.
In a conventional state of the sofa rotary locking mechanism, the locking groove 43 on the outer side of the rotary disc 3 is sleeved outside the positioning needle 41 under the elastic force action of the spring module, so that the rotary disc 3 cannot rotate; when the rotating disc 3 needs to be rotated, the sliding seat 2 and/or the rotating disc 3 are/is pushed outwards, the locking groove 43 on the outer side of the rotating disc 3 is separated from the outside of the positioning needle 41, and then the rotating disc 3 rotates relative to the sliding seat 2, so that the use requirement of the functional sofa is met.
As shown in fig. 5 to 6, the sofa with the rotational lock mechanism 100 for sofa is provided with the rotational lock mechanism 100 for sofa, the sofa seat 200 and the backrest 300, and the rotational lock mechanism 100 for sofa is installed between the sofa seat 200 and the backrest 300.
When the sofa of the utility model is used, the backrest 300 is inclined relative to the sofa seat 200 to be used as a conventional sofa with a backrest, the locking groove 43 at the outer side of the rotary disk 3 is sleeved outside the positioning needle 41 under the elastic force of the spring module, so that the rotary disk 3 can not rotate, the backrest 300 is stably positioned at the rear side of the sofa seat 200 and is inclined or vertical relative to the sofa seat 200, as shown in fig. 5; when the backrest 300 needs to be rotated to a position where the back surface of the backrest 300 is flush with the upper end surface of the sofa seat 200, so that the backrest 300 is used as an extension structure of the sofa seat 200, the backrest 300 is pushed outwards to drive the sliding seat 2 and/or the rotating disc 3 to slide relative to the base 1, the locking groove 43 on the outer side of the rotating disc 3 is separated from the outer side of the positioning pin 41, at this time, the backrest 300 can be rotated 180 degrees, the other locking groove 43 on the outer side of the rotating disc 3 is close to the positioning pin 41, and the locking groove 43 is clamped outside the positioning pin 41 under the elastic force of the spring module to be locked again, so that the sofa seat 200 becomes longer, as shown in fig. 6, to meet the use requirement of a functional sofa, and solve the problem that a long sofa occupies a large space.
The structure of the rotational locking mechanism 100 for sofa is described above clearly and will not be described in detail.
A first inclined plane 201 is arranged on one side of the upper end of the sofa seat 200, and the base 1 is installed on the first inclined plane 201; a second inclined plane 301 is provided at one side of the lower end of the backrest 300, and the rotating disk 3 is mounted on the second inclined plane 301.
The backrest 300 is rotated by the sofa rotation locking mechanism 100 to be inclined with respect to the sofa 200, or the backrest 300 is rotated by the sofa rotation locking mechanism 100 to be integrated with the sofa 200 such that the back surface of the backrest 300 is positioned on the same plane as the upper end surface of the sofa 200 and the backrest 300 is formed as a part of the sofa 200 to lengthen the length of the sofa 200. That is, when the backrest function is required to be used, the backrest 300 is rotated to be inclined with the sofa seat 200 by the sofa rotation locking mechanism 100 to be used as a conventional backrest. When the length of the sofa 200 needs to be increased, the backrest 300 is rotated 180 degrees by the sofa rotation locking mechanism 100, so that the back surface of the backrest 300 and the upper end surface of the sofa 200 are located on the same plane, and at this time, the backrest 300 is used as a part of the sofa 200 to increase the length of the sofa 200, thereby meeting the use requirements of different users.
It should be understood that the above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.
Claims (10)
1. A sofa rotary locking mechanism is characterized in that: the locking device comprises a base (1), a sliding seat (2) which is arranged on the base (1) in a sliding mode, a rotating disc (3) which is sleeved on the sliding seat (2) and can rotate relative to the sliding seat (2), and a locking device (4) which is used for locking the rotating disc (3) on the sliding seat (2), wherein the locking device (4) comprises a positioning needle (41) which is fixed on the base (1), a spring module which is connected between the base (1) and the sliding seat (2), and two locking grooves (43) which are arranged on the disc track edge of the outer side of the rotating disc (3) at 180 degrees and are matched with the positioning needle (41), and the locking grooves (43) are clamped outside the positioning needle (41) under the elastic force action of the spring module.
2. The sofa rotational lock mechanism of claim 1, wherein: the spring module comprises a first spring (421) and a second spring (422) which are connected between the base (1) and the sliding seat (2) and are distributed in parallel, and the first spring (421) and the second spring (422) are positioned on two sides of the positioning needle (41).
3. The sofa rotational lock mechanism of claim 2, wherein: a first connecting ring (21) and a second connecting ring (22) are arranged at the end part of the sliding seat (2); a first connecting post (101) and a second connecting post (102) are arranged on the base (1), and two ends of the first spring (421) are respectively hooked on the first connecting ring (21) and the first connecting post (101); and two ends of the second spring (422) are respectively hooked on the second connecting ring (22) and the second connecting column (102).
4. The sofa rotational lock mechanism of claim 1, wherein: a cylinder (23) is formed at the upper end of the sliding seat (2); a rotating cylinder sleeve (31) is formed in the center of the rotating disc (3), the rotating cylinder sleeve (31) is sleeved on the periphery of the cylinder (23), and the lower end of the rotating cylinder sleeve (31) is in contact with the upper end face of the sliding seat (2), so that a gap is formed between the lower end face of the rotating disc (3) and the upper end face of the sliding seat (2).
5. The sofa rotational lock mechanism of claim 1, wherein: the two sides of the upper end of the base (1) are provided with sliding chutes (10); the two sides of the sliding seat (2) are respectively arranged in the sliding chute (10) in a penetrating way and can slide in the sliding chute (10).
6. The sofa rotational lock mechanism of claim 5, wherein: the base (1) comprises a bottom plate (11) positioned at the bottom, a first heightening plate (12) and a second heightening plate (13) which are fixed on two sides of the upper end of the bottom plate (11), a first cover plate (14) which is fixed on the first heightening plate (12) and is larger than the first heightening plate (12) in size, and a second cover plate (15) which is fixed on the second heightening plate (13) and is larger than the second heightening plate (13) in size, wherein the sliding groove (10) is formed among the first cover plate (14), the first heightening plate (12) and the bottom plate (11); the sliding groove (10) is formed among the second cover plate (15), the second heightening plate (13) and the bottom plate (11).
7. The sofa rotational lock mechanism of claim 5, wherein: the base (1) is provided with a plurality of first screw holes (103), and first screws penetrate through the first screw holes (103) to fix the base (1) on the sofa seat; the rotating disc (3) is provided with a plurality of second screw holes (32), and second screws penetrate through the second screw holes (32) to fix the rotating disc (3) on the sofa backrest.
8. A sofa, which is characterized in that: comprising the sofa rotary lock mechanism (100) according to any one of claims 1 to 7, a sofa seat (200) and a backrest (300), the sofa rotary lock mechanism (100) being mounted between the sofa seat (200) and the backrest (300).
9. The sofa of claim 8, wherein: a first inclined plane (201) is arranged on one side of the upper end of the sofa seat (200), and the base (1) is installed on the first inclined plane (201); one side of the lower end of the backrest (300) is provided with a second inclined surface (301), and the rotating disc (3) is installed on the second inclined surface (301).
10. The sofa of claim 8, wherein: the backrest (300) is rotated by the sofa rotary locking mechanism (100) to be inclined with the sofa seat (200), or the backrest (300) is rotated by the sofa rotary locking mechanism (100) to be connected with the sofa seat (200) into a whole, so that the back surface of the backrest (300) and the upper end surface of the sofa seat (200) are positioned on the same plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121772198.7U CN216166439U (en) | 2021-07-30 | 2021-07-30 | Sofa and rotary locking mechanism for sofa |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121772198.7U CN216166439U (en) | 2021-07-30 | 2021-07-30 | Sofa and rotary locking mechanism for sofa |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216166439U true CN216166439U (en) | 2022-04-05 |
Family
ID=80895642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121772198.7U Active CN216166439U (en) | 2021-07-30 | 2021-07-30 | Sofa and rotary locking mechanism for sofa |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216166439U (en) |
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2021
- 2021-07-30 CN CN202121772198.7U patent/CN216166439U/en active Active
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