CN217814372U - Furniture connecting piece and sofa - Google Patents
Furniture connecting piece and sofa Download PDFInfo
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- CN217814372U CN217814372U CN202221556984.8U CN202221556984U CN217814372U CN 217814372 U CN217814372 U CN 217814372U CN 202221556984 U CN202221556984 U CN 202221556984U CN 217814372 U CN217814372 U CN 217814372U
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Abstract
The utility model relates to the technical field of furniture, in particular to a furniture connecting piece and a sofa, which comprises a first connecting piece and a second connecting piece; the first connecting piece is provided with a locking block; the locking block and the first connecting piece are relatively movable in the axial direction and are relatively positioned in the circumferential direction; the second connecting piece is provided with a locking groove for the locking block to be embedded into, the locking groove is provided with a plurality of locking positions along the circumferential direction, and when the locking block is positioned at any locking position, the locking block and the second connecting piece are kept in relative positioning in the circumferential direction; the locking piece is axially movable relative to the first connecting piece to switch between a locking position and an unlocking position, the locking piece enters the locking groove and is located at one of the locking positions in the locking position, and the locking piece is separated from the locking groove in the unlocking position so that the second connecting piece can circumferentially rotate relative to the locking piece. The utility model provides a furniture connecting piece is used for the connection of furniture, can realize the angle modulation of furniture.
Description
Technical Field
The utility model relates to the technical field of furniture, concretely relates to furniture connecting piece and sofa.
Background
The sofa backrest and the sofa cushion in the traditional sense are integrated and are mainly connected through the gun nails, the screws and the like, the sofa is single in function due to the installation of the connection mode, the backrest cannot be adjusted, and therefore a connecting piece capable of adjusting the angle of the backrest relative to the cushion needs to be designed.
SUMMERY OF THE UTILITY MODEL
In order to solve at least one technical problem mentioned in the background art, the utility model aims to provide a furniture connecting piece.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a furniture connecting piece comprises a first connecting piece and a second connecting piece; the first connecting piece is provided with a locking block; the locking block and the first connecting piece are axially movable relative to each other and are circumferentially positioned relative to each other; the second connecting piece is provided with a locking groove for the locking block to be embedded into, the locking groove is provided with a plurality of locking positions along the circumferential direction, and when the locking block is positioned at any locking position, the locking block and the second connecting piece are kept in relative positioning in the circumferential direction; the locking piece is axially movable relative to the first connecting piece to switch between a locking position and an unlocking position, the locking piece enters the locking groove and is located at one of the locking positions in the locking position, and the locking piece is separated from the locking groove in the unlocking position so that the second connecting piece can circumferentially rotate relative to the locking piece.
Compare prior art, the advantage of this scheme of adoption lies in:
in the scheme, the locking block is arranged on the first connecting piece, the locking groove is arranged on the second connecting piece, when the locking device is used, the first connecting piece and the second connecting piece are respectively arranged on two parts to be connected of furniture, such as a cushion of a sofa and a backrest of the sofa, when the angle of the backrest of the sofa needs to be adjusted, the locking block can be pushed axially at first to enter an unlocking position, at the moment, the locking block is separated from the locking groove, the limitation of the locking groove is avoided, and the second connecting piece can circumferentially rotate relative to the locking block to adjust the angle; after the adjustment is finished, the locking piece enters the corresponding locking position to enter the locking position, at the moment, the locking piece is kept in circumferential relative positioning with the second connecting piece under the limitation of the locking groove, namely, the second connecting piece and the locking piece cannot rotate relatively, and the locking piece and the first connecting piece are kept in circumferential positioning, so that the first connecting piece and the second connecting piece are kept in circumferential positioning, namely, the second connecting piece cannot rotate relative to the first connecting piece, and the position locking of the first connecting piece and the position locking of the second connecting piece are realized.
Preferably, one side of the first connecting piece, which is opposite to the second connecting piece, is provided with a convex column which extends along the axial direction, and the locking block is provided with a through hole which is used for penetrating through the convex column; the convex column is characterized in that one of the peripheral wall of the convex column and the hole wall of the through hole is provided with a convex line arranged along the axial direction, the other one of the convex line and the hole wall is provided with a sliding groove arranged along the axial direction, and the convex line is arranged in the sliding groove in a sliding manner.
Preferably, an elastic member is disposed between the locking piece and the first connecting member, and the locking piece is driven to be maintained at the locking position by an elastic force provided by the elastic member.
Preferably, the elastic part comprises a spring sleeved on the convex column, and two ends of the spring are respectively abutted to the first connecting piece and the locking block.
Preferably, the furniture connecting piece still includes the unlocking piece, the unlocking piece is located the one side that the second connecting piece deviates from first connecting piece, including the promotion portion that can follow the axial and move about in the locked groove, promotion portion is inconsistent with the locking piece, through promoting promotion portion so that the locking piece gets into the unblock position by the latched position.
Preferably, the unlocking piece comprises an operation part and a screw rod part arranged at one end of the operation part, a screw hole is formed in one end, far away from the first connecting piece, of the convex column, and the screw rod part penetrates through the locking groove and is in threaded connection with the screw hole; the pushing part is arranged at one end of the operating part connected with the screw part, and a space for avoiding the convex column is arranged between the pushing part and the screw part.
Preferably, one of the first connecting piece and the second connecting piece is provided with a plurality of arc-shaped guide grooves, the other one of the first connecting piece and the second connecting piece is provided with a plurality of guide pillars corresponding to the arc-shaped guide grooves, the arc-shaped guide grooves correspond to the guide pillars one by one, and the guide pillars are arranged in the arc-shaped guide grooves in a sliding manner; and the arc guide grooves are coaxially arranged.
Preferably, the locking piece has a plurality of protruding portions arranged along a circumferential direction of the locking piece, and the locking groove has a plurality of locking grooves into which the protruding portions are inserted.
The utility model also provides a sofa, including cushion and back, the back is connected on the cushion through foretell furniture connecting piece, first connecting piece is installed on the cushion, the second connecting piece is installed on the back.
Other advantages and effects of the present invention are specifically described in the detailed description of the invention.
Drawings
FIG. 1 is an exploded view of a furniture connector;
FIG. 2 is a front side structural view of the assembled first and second connectors;
FIG. 3 is a rear side view of the assembled first and second connectors;
FIG. 4 is a schematic cross-sectional view of the first and second connectors after assembly;
FIG. 5 is a schematic view of the furniture connector mounted to the sofa;
fig. 6 is a schematic structural view of the sofa.
Detailed Description
The technical solutions in the embodiments of the present invention are described below clearly and completely, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Example 1:
referring to fig. 1 to 6, the present embodiment provides a furniture connecting member, which is mainly used for connecting two parts of furniture, and includes a first connecting member 1 and a second connecting member 2, when installed, the first connecting member 1 and the second connecting member 2 are respectively installed on two parts of furniture, such as a backrest b and a seat cushion a of a sofa, so that the relative rotation of the first connecting member 1 and the second connecting member 2 is equivalent to the relative rotation of the two parts of furniture.
As shown in fig. 1, in the present embodiment, the first connecting member 1 and the second connecting member 2 both have a triangular plate-like structure, but may have other shapes, and is not limited herein. When the connector is installed, the first connector 1 and the second connector 2 are arranged oppositely, and for convenience of description, the connection line direction of the first connector 1 and the second connector 2 is referred to as an axial direction in this embodiment, and may also be understood as a direction perpendicular to the first connection sheet or the second connection sheet, and refer to a direction indicated by a portion L1 in fig. 1, and a direction around the axial direction is referred to as a circumferential direction, and refer to a direction indicated by a portion L2 in fig. 1.
Referring to fig. 1 and 4, a locking piece 11 is arranged on the first connecting piece 1, and the locking piece 11 is located between the first connecting piece and the second connecting piece; the locking piece 11 and the first connecting piece 1 are relatively movable in the axial direction and relatively positioned in the circumferential direction, that is, the locking piece 11 can move in the axial direction relative to the first connecting piece 1 and cannot rotate relatively in the circumferential direction.
As shown in fig. 1, the second connecting piece 2 is provided with a locking groove 21 for the locking block 11 to be embedded in, and the locking groove 21 penetrates through the second connecting piece; the locking groove 21 is provided with a plurality of locking positions along the circumferential direction, and each locking position corresponds to one adjusting angle. When the locking piece 11 is located at any one of the locking positions, the locking piece 11 and the second connecting piece 2 are kept in relative positioning in the circumferential direction, that is, the second connecting piece 2 cannot rotate relative to the locking piece 11.
The locking piece 11 is axially movable relative to the first connecting member 1 to switch between a locking position and an unlocking position, and in the locking position, as shown in fig. 2 and 4, the locking piece 11 enters the locking slot 21 and is located at one of the locking positions, at this time, the second connecting member 2 cannot rotate relative to the locking piece 11, and the locking piece 11 is located circumferentially opposite to the first connecting member 1, so that the second connecting member 2 cannot rotate relative to the first connecting member 1, and the locking effect of the two is achieved.
In the unlocking position, the locking groove 211 is disengaged from the locking piece 11, so that the second connecting piece 2 can rotate circumferentially relative to the locking piece 11, when the locking groove 211 is disengaged from the locking piece 11, the second connecting piece 2 can rotate relative to the locking piece 11 without the limitation of the locking groove 21, so that the second connecting piece 2 can rotate relative to the first connecting piece 1, and in the unlocking position, the second connecting piece 2 can rotate relative to the first connecting piece 1 to adjust the angle.
During angle regulation, promote locking piece 11, make locking piece 11 break away from locked groove 21, get into the unblock position, alright this moment first connecting piece 1 relatively rotate second connecting piece 2, when treating that second connecting piece 2 rotates the locking position that predetermined angle corresponds, make locking piece 11 get into again and get into in the locked groove 21, in order to get into the latched position, at this moment under the restriction of locking piece 11, second connecting piece 2 just can't rotate first connecting piece 1 relatively, thereby realize the locking of second connecting piece 2, accomplish the regulation.
In this embodiment, as shown in fig. 1, a protruding pillar 12 extending along the axial direction is disposed on one side of the first connecting member 1 opposite to the second connecting member 2, the locking block 11 has a through hole 112 for penetrating the protruding pillar 12, and the locking block 11 penetrates the protruding pillar 12 through the through hole 112. Wherein the convex column 12 is in a shape of a circular shaft, and can be arranged at the center of the first connecting piece 1.
Have the burr 121 along the axial setting on the periphery wall of projection 12, have the spout 113 along the axial setting on the pore wall of through-hole 112, burr 121 slides and sets up in spout 113, through the cooperation of burr 121 and spout 113 for locking piece 11 only can carry out the axial slip along projection 12, and can't carry out circumferential direction, so in order to realize locking piece 11 and first connecting piece 1 relative movement and relative positioning in the circumference in the axial.
In other embodiments, the protruding rib 121 may be disposed on the wall of the through hole 112, and the sliding groove 113 may be disposed on the outer circumferential wall of the protruding pillar 12, which is not limited herein.
In this embodiment, an elastic member is disposed between the lock block 11 and the first connecting member 1, and the elastic force provided by the elastic member drives the lock block 11 to be maintained at the locking position, specifically: referring to fig. 4, the elastic element includes a spring 13 sleeved on the protruding pillar 12, and two ends of the spring 13 respectively abut against the first connecting piece and the locking block 11, so that the spring 13 generates an elastic force for pushing the locking block 11 to the locking position, so as to keep the locking block 11 in the locking groove 21, and make it not easily fall out of the locking groove 21.
In order to realize the unblock to locking piece 11, in this embodiment, combine fig. 1 and fig. 4 to show, the furniture connecting piece still includes unblock piece 3, unblock piece 3 is located one side that second connecting piece 2 deviates from first connecting piece 1, including can follow the axial in the locked groove 21 movable promotion portion 32, under the elastic force drive of spring 13, locking piece 11 contradicts on promotion portion 32, when needing to unblock, only need to promote promotion portion 32 to the unblock position, and promotion portion 32 alright overcome spring 13's elasticity and release locking piece 11 from locked groove 21 to get into the unblock position.
The unlocking piece 3 has the specific structure that: unlocking piece 3 includes operation portion 31 and locates the screw rod portion 33 of operation portion 31 one end, and operation portion 31 is the axis body form, is located the one side that the second connection piece deviates from first connection piece, the one end that operation portion 31 connects screw rod portion 33 is located to promotion portion 32, and promotion portion 32 extends to being close to first connection piece one side.
The end of the convex column 12 far away from the first connecting piece 1 is provided with a screw hole 122, the screw rod part 33 passes through the locking groove 21 and is in threaded connection with the screw hole 122, and the locking block 11 is abutted against the end part of the pushing part 32 under the elastic force of the spring 13. When the unlocking operation is performed, the operating portion 31 can be rotated to drive the screw portion 33 to rotate, the screw portion 33 will advance into the screw hole 122, so that the pushing portion 32 on the operating portion 31 moves to the side close to the first connecting piece together, and thus the pushing portion 32 continuously pushes the locking block 11 out from the locking groove 21 to the side close to the first connecting piece until the unlocking position is reached.
Conversely, when the lock is required, the operation portion 31 is rotated in a reverse direction, the screw portion 33 is rotated in a reverse direction to retreat into the screw hole 122, the pushing portion 32 retreats, and the lock piece 11 is pushed by the elastic force of the spring 13 to move to the locking position side until it enters the locking position.
In order to prevent the end of the stud 12 from interfering with the advance of the pushing portion 32 when unlocking, in the present embodiment, as shown in fig. 4, a space is provided between the pushing portion 32 and the screw portion 33 to avoid the stud 12, so that when the pushing portion 32 advances, the stud 12 can continuously enter the space to prevent the end of the stud 12 from interfering with the advance of the pushing portion 32.
In order to guide the relative rotation of the first connecting piece 1 and the second connecting piece 2, in this embodiment, as shown in fig. 3 and 4, a plurality of arc-shaped guide grooves 14 are formed in the first connecting piece 1, the plurality of arc-shaped guide grooves 14 are coaxially arranged, specifically, the plurality of arc-shaped guide grooves 14 are located on the same circumference, and the center of the circumference is located on the relative rotation axis of the first connecting piece and the second connecting piece.
Correspondingly, a plurality of guide posts 22 are arranged on one side of the second connecting piece opposite to the first connecting piece, the number of the guide posts 22 is the same as that of the arc-shaped guide grooves 14, the guide posts 22 correspond to the arc-shaped guide grooves 14 one by one, and each guide post 22 slides in the corresponding arc-shaped guide groove 14.
The existence of the guide groove 14 and the guide post 22 not only can realize the relative sliding guide of the first connecting sheet and the second connecting sheet, but also can play a limiting role to limit the maximum relative rotation angle of the first connecting sheet and the second connecting sheet.
As a specific embodiment, 3 arc-shaped guide grooves 14 can be provided on the first connecting member 1, and 3 guide posts 22 can be correspondingly provided on the second connecting member 2.
As another practical way, the arc-shaped guide slot 14 may be disposed on the second connecting member 2, and the guide post 22 is disposed on the first connecting member 1, which is not limited in this regard.
In this embodiment, as shown in fig. 1, the lock block 11 has a plurality of protrusions 111 arranged in an array along the circumferential direction of the lock block 11 on the outer circumference, the lock groove 21 has a plurality of locking grooves 211 into which the protrusions 111 are inserted corresponding to the protrusions 111, and the overall shape of the lock block 11 is the same as the overall shape of the lock groove 21. Specifically, the method comprises the following steps: boss 111 has 3, and 3 boss 111 are equilateral triangle and distribute, and corresponding locking groove 211 also possesses 3, and locking piece 11 rotates 120 relative lock groove 21 like this, alright with the back locking position of rotation by preceding locking position.
Example 2
With reference to fig. 1-6, the present embodiment provides a sofa based on embodiment 1, which includes a cushion a and a backrest b, wherein the backrest b is connected to the cushion a through the furniture connecting element described in embodiment 1; specifically, 2 furniture connecting pieces are arranged, and the two furniture connecting pieces are respectively arranged on two sides of the sofa.
As shown in fig. 5, the first connecting piece 1 is mounted on the side wall of the seat cushion a by screws, and the second connecting piece 2 is mounted on the inner side wall of the backrest b by screws; as shown in fig. 6, an operation hole (for the reason of view, not shown in the figure) is formed in the backrest b for passing the operation part 31 of the unlocking member 3, the operation hole penetrates through the inner and outer side walls of the backrest b, and one end of the operation part 31, which is far away from the screw part 33, penetrates out of the operation hole, as shown in fig. 6; the operation portion 31 can advance and rotate in the operation hole, and thus when unlocking or locking is required, it is only necessary to rotate the operation portion 31 externally.
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.
Claims (9)
1. A furniture connecting piece is characterized by comprising a first connecting piece and a second connecting piece; the first connecting piece is provided with a locking block; the locking block and the first connecting piece are axially movable relative to each other and are circumferentially positioned relative to each other; the second connecting piece is provided with a locking groove for the locking block to be embedded into, the locking groove is provided with a plurality of locking positions along the circumferential direction, and when the locking block is positioned at any locking position, the locking block and the second connecting piece are kept in relative positioning in the circumferential direction; the locking piece is axially movable relative to the first connecting piece to switch between a locking position and an unlocking position, the locking piece enters the locking groove and is located at one of the locking positions in the locking position, and the locking piece is separated from the locking groove in the unlocking position so that the second connecting piece can circumferentially rotate relative to the locking piece.
2. The furniture connecting piece according to claim 1, wherein one side of the first connecting piece opposite to the second connecting piece is provided with a convex column extending along the axial direction, and the locking block is provided with a through hole for penetrating through the convex column; the utility model discloses a projection, including the projection, the wall of through-hole, be equipped with the burr that sets up along the axial on one of them wall and the pore wall of through-hole of projection, be equipped with the spout that sets up along the axial on the other, the burr slides and sets up in the spout.
3. A furniture connector according to claim 2, wherein a resilient member is provided between the lock block and the first connector, the resilient member providing a resilient force to urge the lock block to remain in the locked position.
4. A furniture connecting member according to claim 3, wherein said elastic member comprises a spring fitted over said boss, said spring having opposite ends abutting said first connecting piece and said locking piece, respectively.
5. A furniture connecting piece according to claim 3, further comprising an unlocking piece, wherein the unlocking piece is arranged on one side of the second connecting piece, which faces away from the first connecting piece, and comprises a pushing part which can move in the locking groove along the axial direction, the pushing part is in contact with the locking piece, and the pushing part is pushed to enable the locking piece to enter the unlocking position from the locking position.
6. A furniture connector according to claim 5, wherein the unlocking member comprises an operating portion and a screw portion provided at an end of the operating portion, the boss having a screw hole at an end remote from the first connector, the screw portion being threaded in the screw hole through the locking groove; the promotion portion is located the one end that the screw rod portion was connected to the operation portion, just have between promotion portion and the screw rod portion and dodge the space of projection.
7. The furniture connecting piece according to claim 1, wherein one of the first connecting piece and the second connecting piece is provided with a plurality of arc-shaped guide grooves, the other one is provided with a plurality of guide posts corresponding to the arc-shaped guide grooves, the arc-shaped guide grooves correspond to the guide posts one by one, and the guide posts are arranged in the arc-shaped guide grooves in a sliding manner; and the arc guide grooves are coaxially arranged.
8. The furniture connecting piece according to claim 1, wherein the locking piece has a plurality of protrusions arranged on the outer periphery thereof in an array along the circumferential direction of the locking piece, and the corresponding protrusions in the locking grooves have a plurality of locking grooves into which the protrusions are inserted.
9. A sofa comprising a seat-cushion and a back-rest, wherein the back-rest is attached to the seat-cushion by a furniture attachment according to any of claims 1-8, wherein the first attachment means is attached to the seat-cushion and the second attachment means is attached to the back-rest.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221556984.8U CN217814372U (en) | 2022-06-21 | 2022-06-21 | Furniture connecting piece and sofa |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221556984.8U CN217814372U (en) | 2022-06-21 | 2022-06-21 | Furniture connecting piece and sofa |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217814372U true CN217814372U (en) | 2022-11-15 |
Family
ID=83994237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221556984.8U Active CN217814372U (en) | 2022-06-21 | 2022-06-21 | Furniture connecting piece and sofa |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217814372U (en) |
-
2022
- 2022-06-21 CN CN202221556984.8U patent/CN217814372U/en active Active
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