CN217488115U

CN217488115U - Fixed connection assembly and sofa

Info

Publication number: CN217488115U
Application number: CN202221032340.9U
Authority: CN
Inventors: 王炳坤
Original assignee: Dongguan Aimu Bedroom Supplies Co Ltd
Current assignee: Dongguan Aimu Bedroom Supplies Co Ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-09-27
Anticipated expiration: 2032-04-29

Abstract

The utility model relates to the technical field of furniture structures, a fixed connection assembly and a sofa are disclosed, the fixed connection assembly is used for connecting a screen frame and a seat frame, the fixed connection assembly comprises an extension sleeve and a connecting rod, a middle through hole arranged in a vertical mode is arranged in the extension sleeve, the extension sleeve comprises a first side surface, the lower end of the first side surface is provided with a first opening, the first opening is communicated with the middle through hole, the connecting rod is arranged in the middle through hole in a penetrating way, the first side surface is connected with the screen frame, the lower end of the connecting rod is provided with a lower extension part arranged horizontally, and the connecting rod can be switched between a first state and a second state through moving; in the first state, the lower extension is completely accommodated in the through hole; in the second state, the lower extension portion horizontally protrudes from the first opening. The utility model provides a fixed connection subassembly is difficult for the pine to take off, and the reliability is high, installs easy operation moreover, is favorable to production efficiency's improvement.

Description

Fixed connection assembly and sofa

Technical Field

The utility model relates to a furniture structure technical field especially relates to a fixed connection subassembly and sofa.

Background

Currently, the interior of the sofa generally adopts a wood frame structure, and structures such as a seat bag, a screen bag and the like are fixed or placed on the wood frame structure to form the sofa. The wooden frame structure is generally formed by combining a screen frame and a seat frame, and for the screen frame and the seat frame with smaller thickness, the traditional assembling method is to connect and fix the screen frame and the seat frame through an upper screw and a lower screw, but because the thickness of the screen frame and the seat frame is not large, the assembling method is not firm, and the wooden frame structure is easy to shake when a user leans against the screen frame and is inconvenient for installation of production personnel.

Therefore, a fixed connection assembly and a sofa are needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

Based on above, an object of the utility model is to provide a fixed connection subassembly and sofa, difficult pine takes off, and the reliability is high, installs easy operation moreover, is favorable to production efficiency's improvement.

In order to achieve the purpose, the utility model adopts the following technical proposal:

the fixing and connecting assembly is used for connecting a screen frame and a seat frame, and comprises an extension sleeve and a connecting rod, wherein a middle through hole which is vertically arranged is arranged in the extension sleeve, the extension sleeve comprises a first side face, a first opening is formed in the lower end of the first side face and is communicated with the middle through hole, the connecting rod is arranged in the middle through hole in a penetrating mode, the first side face is connected with the screen frame, a lower extension part which is horizontally arranged is arranged at the lower end of the connecting rod, and the connecting rod can be switched between a first state and a second state through moving;

in the first state, the lower extension is fully received in the through-hole;

in the second state, the lower extension portion horizontally protrudes from the first opening.

As an optional technical solution of the fixing and connecting assembly, the extension sleeve further includes a second side surface disposed opposite to the first side surface, a second opening is disposed at an upper end of the second side surface, the second opening is communicated with the middle through hole, an upper extension portion disposed horizontally is disposed at an upper end of the connecting rod, the upper extension portion and the lower extension portion extend in an opposite direction, and the upper extension portion can extend out of the second opening.

As an alternative to the fixed connection assembly, the upper extension projects from the second opening in both the first state and the second state.

As an optional technical solution of the fixing and connecting assembly, an inner diameter of the through hole is larger than an outer diameter of the connecting rod, and the connecting rod can move in the through hole along a horizontal direction.

As an alternative to the fixed connection assembly, the lower extension is integrally formed with the connecting rod.

As an alternative to the fixed connection assembly, the upper extension is fixedly connected to the connecting rod by a fixing member.

As an optional technical solution of the fixed connection assembly, a mounting opening is provided at a bottom end of the extension sleeve, the mounting opening is communicated with the through hole, and the connection rod can be installed in the through hole through the mounting opening; the first side still be equipped with the relative trompil of stepping down that sets up of second trompil, the mounting can be via the trompil of stepping down is connected the connecting rod with go up the extension.

As an optional technical solution of the fixing and connecting assembly, the connecting rod, the lower extension portion and the upper extension portion are all set to be square rod structures, and the middle through hole, the first opening and the second opening are all correspondingly set to be square hole structures.

In a second aspect, a sofa is provided, which includes a screen frame, a seat frame and the fixing and connecting assembly as described in any one of the above, wherein the screen frame and the seat frame are connected by a plurality of the fixing and connecting assemblies.

As an optional technical scheme of sofa, fixed connection subassembly the upper end of first side with the medial surface of screen frame is connected, the lower extreme downwardly extending of first side is to the below of screen frame, be equipped with mounting groove on the medial surface of seat frame under the second state, lower extension portion is inserted and is located in the mounting groove.

The utility model has the advantages that:

the utility model provides a fixed connection subassembly is connected with the screen frame through the extension sleeve pipe, and the screen frame is hugged closely to extension sheathed tube first side, and in extension sheathed tube well through-hole was located to the connecting rod, its lower extreme was equipped with extension portion. In the first state, the lower extension part is completely accommodated in the through hole, so that the lower end of the first side surface of the extension sleeve is tightly attached to the seat frame, and the seat frame can be in an installation position matched with the screen frame; then the connecting rod switches to the second state, and lower extension portion stretches out from first trompil level to insert in the cooperation structure that corresponds the setting on the seat frame, accomplish the connection between screen frame and the seat frame and fix. The utility model provides a fixed connection subassembly is difficult for the pine to take off, and the reliability is high, can realize being connected between screen frame and the seat frame through the movable connecting rod moreover, and easy operation is favorable to production efficiency's improvement.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

Fig. 1 is a schematic view of an internal exploded structure of a sofa provided by the present invention;

fig. 2 is a schematic structural diagram of the fixing and connecting assembly provided by the present invention;

fig. 3 is a schematic view of the fixing and connecting assembly provided by the present invention in a first state;

fig. 4 is a schematic view of the state of the fixing and connecting assembly in the second state.

In the figure:

100. fixing the connecting assembly; 1. extending the cannula; 101. a first side; 102. a second side surface; 11. a middle through hole; 12. a first opening; 13. a second opening; 14. mounting and tapping; 15. opening holes in a way; 2. a connecting rod; 21. a lower extension portion; 22. an upper extension; 23. a fixing member;

200. a screen frame; 300. a seat frame; 31. and installing a groove.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-4, the present embodiment provides a sofa, which is made of wood and includes a screen frame 200, a seat frame 300 and fixing and connecting assemblies 100, wherein the screen frame 200 and the seat frame 300 are connected by the fixing and connecting assemblies 100. The fixed connection assembly 100 comprises an extension sleeve 1 and a connection rod 2, a middle through hole 11 arranged in a vertical mode is formed in the extension sleeve 1, the extension sleeve 1 comprises a first side surface 101, a first opening 12 is formed in the lower end of the first side surface 101, the first opening 12 is communicated with the middle through hole 11, the connection rod 2 penetrates through the middle through hole 11, the first side surface 101 is connected with a screen frame 200, a lower extension part 21 arranged horizontally is formed in the lower end of the connection rod 2, and the connection rod 2 can be switched between a first state and a second state through horizontal movement; in the first state, the lower extension 21 is completely accommodated in the through-hole 11; in the second state, the lower extension 21 horizontally protrudes from the first opening 12.

Specifically, the fixing and connecting assembly 100 provided in this embodiment is connected to the screen frame 200 through the extension sleeve 1, the first side surface 101 of the extension sleeve 1 is tightly attached to the screen frame 200, the connecting rod 2 is disposed in the middle through hole 11 of the extension sleeve 1, and the lower end of the connecting rod is provided with the lower extension portion 21. In a first state, as shown in fig. 3, lower extension 21 is fully received in through-hole 11 so that the lower end of first side 101 of extension sleeve 1 abuts seat frame 300 so that seat frame 300 can be in a mounted position for mating with screen stand 200; connecting rod 2 is then switched to a second state as shown in fig. 4, and lower extension 21 extends horizontally from first opening 12 to be inserted into a corresponding mating structure of mount 300, thereby completing the connection and fixation between stand 200 and mount 300. The fixed connection assembly 100 that this embodiment provided is difficult for taking off, and the reliability is high, can realize being connected between screen frame 200 and seat frame 300 through horizontal migration connecting rod 2 moreover, and easy operation is favorable to production efficiency's improvement.

Further, the upper end of the first side surface 101 of the fixing and connecting assembly 100 is connected with the inner side surface of the screen frame 200, the lower end of the first side surface 101 extends downwards to the lower side of the screen frame 200, the inner side surface of the seat frame 300 is provided with a mounting groove 31, and in the second state, the lower extension part 21 is inserted into the mounting groove 31 so as to realize the connection between the fixing and connecting assembly 100 and the seat frame 300.

Optionally, the extension sleeve 1 further comprises a second lateral surface 102 disposed opposite to the first lateral surface 101, the second lateral surface 102 is provided at an upper end thereof with a second opening 13, the second opening 13 is communicated with the central through hole 11, the upper end of the connection rod 2 is provided with a horizontally disposed upper extension 22, the upper extension 22 extends in a direction opposite to that of the lower extension 21, and the upper extension 22 can extend from the second opening 13. The worker can hold the connecting rod 2 to pass through the upper extension part 22 from the second opening 13 by hand, and pull or push the connecting rod to move horizontally so as to switch the connecting rod between the first state and the second state, thereby realizing the effect of quick connection installation. After the sofa is assembled, under the influence of the gravity of the screen frame 200 and the acting force pressed on the screen frame 200 by a user when the user uses the sofa, the screen frame 200 applies a downward acting force to the downward extension part 21 through the extension sleeve 1, so that the lower extension part 21 presses against the inner wall of the installation groove 31, and as the contact area between the lower extension part 21 and the installation groove 31 is small, the pressure between the two is high and the static friction force when the pressure has a mutual movement trend, the lower extension part 21 is difficult to slide out of the installation groove 31, and the connection between the screen frame 200 and the seat frame 300 is difficult to loosen.

Preferably, upper extension 22 extends from second opening 13 in both the first and second positions. When it is necessary to disassemble seat frame 300 and screen frame 200, even if connecting rod 2 is in the second state, the end of upper extension 22 still extends out of second opening 13, and the worker can grab the end of upper extension 22 extending out, pull connecting rod 2 to the first state, so that lower extension 21 is completely retracted into through hole 11

Alternatively, the inner diameter of the through-hole 11 is larger than the outer diameter of the connecting rod 2, and the connecting rod 2 can move in the through-hole 11 in the horizontal direction.

Optionally, the aperture of the first opening 12 is larger than the outer diameter of the lower extension 21, and the lower extension 21 can be obliquely arranged in a vertical plane; the second opening 13 has a larger bore diameter than the outer diameter of the upper extension 22, and the upper extension 22 can be disposed obliquely in a vertical plane. This arrangement facilitates the adjustment of the posture of the connecting rod 2 in the vertical plane after it is fitted into the through-hole 11.

Preferably, the connecting rod 2, the lower extension portion 21 and the upper extension portion 22 are all configured as a square rod structure, and the middle through hole 11, the first opening 12 and the second opening 13 are correspondingly configured as a square hole structure.

Preferably, in the present embodiment, the lower extension 21 is integrally formed with the connecting rod 2.

Optionally, the upper extension 22 is fixedly connected to the connecting rod 2 by a fixing member 23.

Further, the bottom end of the extension sleeve 1 is provided with an installation opening 14, the installation opening 14 is communicated with the through hole 11, and the connecting rod 2 can be installed in the through hole 11 through the installation opening 14; the upper end of the first side surface 101 is further provided with a relief opening 15 opposite to the second opening 13, and the fixing member 23 can connect the connecting rod 2 and the upper extension 22 through the relief opening 15.

Specifically, the lower extension part 21 and the connecting rod 2 are obliquely installed into the middle through hole 11 together from the installation opening 14, the upper extension part 22 extends into the middle through hole 11 through the second opening 13 on the other side, then the fixing part 23 extends into the middle through hole 11 through the abdicating opening 15, the upper extension part 22 is connected to the upper end of the connecting rod 2, then the extension sleeve 1 is connected with the screen frame 200, and after the seat frame 300 is moved to the installation position, a worker pushes the connecting rod 2 to horizontally move so as to switch the connecting rod 2 to the second state, so that the quick connection of the seat frame 300 and the screen frame 200 can be realized.

Preferably, the fixing member 23 may be a screw, a snap, or the like, and in this embodiment, the fixing member 23 is a screw.

Preferably, the first side 101 of the extension sleeve 1 is connected to the screen bracket 200 by a plurality of bolts. In other embodiments, the extension sleeve 1 may be connected to the screen frame 200 by riveting, clipping, or other methods.

In this embodiment, the screen frame 200 and the seat frame 300 are connected by two fixing and connecting assemblies 100, the two fixing and connecting assemblies 100 are respectively located at the inner sides of the left and right sides of the screen frame 200, and the fixing and connecting assemblies 100 connect the inner side wall of the screen frame 200 and the inner side wall of the seat frame 300.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. The utility model provides a fixed connection subassembly for connecting screen frame (200) and seat frame (300), characterized in that, fixed connection subassembly (100) includes extension sleeve pipe (1) and connecting rod (2), be equipped with in extension sleeve pipe (1) along well through-hole (11) that vertical mode set up, extension sleeve pipe (1) includes first side (101), the lower extreme of first side (101) is equipped with first trompil (12), first trompil (12) with well through-hole (11) intercommunication, connecting rod (2) wear to locate in well through-hole (11), first side (101) are connected with screen frame (200), the lower extreme of connecting rod (2) is equipped with lower extension portion (21) of horizontal setting, connecting rod (2) can switch between first state and second state through the removal;

in the first state, the lower extension (21) is completely housed in the through-hole (11);

in the second state, the lower extension (21) projects horizontally from the first opening (12).

2. The stationary connection assembly according to claim 1, characterized in that the extension sleeve (1) further comprises a second lateral surface (102) arranged opposite to the first lateral surface (101), the upper end of the second lateral surface (102) being provided with a second opening (13), the second opening (13) communicating with the central through hole (11), the upper end of the connection rod (2) being provided with a horizontally arranged upper extension (22), the upper extension (22) extending in the opposite direction to the lower extension (21), the upper extension (22) being able to protrude from the second opening (13).

3. A fixing and connecting assembly according to claim 2, characterized in that said upper extension (22) projects from said second opening (13) in both said first condition and said second condition.

4. A stationary connection assembly according to claim 1, characterized in that the inner diameter of the through-going hole (11) is larger than the outer diameter of the connecting rod (2), the connecting rod (2) being movable in the through-going hole (11) in a horizontal direction.

5. The fixed connection assembly according to claim 1, characterized in that the lower extension (21) is integrally formed with the connecting rod (2).

6. The fixed connection assembly according to claim 2, characterized in that said upper prolongation (22) is fixedly connected with said connecting rod (2) by means of a fixing element (23).

7. A stationary connection assembly according to claim 6, characterized in that the bottom end of the extension sleeve (1) is provided with a mounting opening (14), the mounting opening (14) communicating with the through-going hole (11), the connection rod (2) being insertable into the through-going hole (11) via the mounting opening (14); first side (101) still be equipped with the relative trompil of stepping down (15) that sets up of second trompil (13), mounting (23) can via the trompil of stepping down (15) is connected connecting rod (2) with go up extension (22).

8. The assembly according to claim 2, characterized in that the connecting rod (2), the lower extension (21) and the upper extension (22) are all arranged in a square rod configuration, and the through hole (11), the first opening (12) and the second opening (13) are all correspondingly arranged in a square hole configuration.

9. A sofa, comprising a screen (200), a seat frame (300) and a stationary connection assembly (100) according to any of claims 1-8, the screen (200) and the seat frame (300) being connected by a number of the stationary connection assemblies (100).

10. The sofa according to claim 9, wherein the upper end of the first side (101) of the fixed connection assembly (100) is connected to the inner side of the screen frame (200), the lower end of the first side (101) extends downward below the screen frame (200), the inner side of the seat frame (300) is provided with a mounting groove (31), and in the second state, the lower extension (21) is inserted into the mounting groove (31).