WO2023191368A1

WO2023191368A1 - Furniture frame fixing device

Info

Publication number: WO2023191368A1
Application number: PCT/KR2023/003716
Authority: WO
Inventors: 이기태
Original assignee: 라온시스템가구(주)
Priority date: 2022-04-01
Filing date: 2023-03-21
Publication date: 2023-10-05
Also published as: KR102449168B1

Abstract

The present invention relates to a furniture frame fixing device comprising: a lower body portion having a lower end coupled to an upper end of a vertical frame and having an upper end including a first shaft hole formed therethrough; an upper body portion disposed at an upper portion of the lower body portion to bring an upper end into close contact with a ceiling and having a lower end including a second shaft hole formed therethrough to face the first shaft hole; a height adjustment portion disposed between the lower body portion and the upper body portion to be horizontally rotatable, having an upper end and a lower end coupled to the first shaft hole and the second shaft hole in a screw coupling method, respectively, and changing the distance between the lower body portion and the upper body portion through forward and reverse rotation; a pair of fixing portions coupled to both sides of the upper body portion, respectively, to be in close contact with the ceiling, having at least one through-hole extending vertically therethrough, and having multiple engaging grooves formed concavely along the inner circumferential surface of the through-hole; and a pair of fastening portions each having multiple engaging protrusions protruding from and formed along the side surface thereof so that the engaging protrusions are inserted into the engaging grooves to make male-female engagement, wherein when each of the fastening portions is inserted through the lower side of the through-hole, the upper end of each of the fastening portions is inserted through an installation hole of the ceiling to be coupled thereto and the lower end thereof is engaged with and positioned at the lower end of the through-hole.

Description

Furniture frame fixing device

The present invention relates to a furniture frame fixing device, and more specifically, to a furniture frame fixing device that can stably fix the top of a vertical frame at the same height as the ceiling, thereby preventing system furniture from falling.

In general, instead of closets or dressers to store daily necessities indoors, the use of prefabricated storage cabinets, which can be used by organically combining frames and attaching them to the wall, has become common.

These prefabricated storage cabinets allow users to easily combine parts and use them in a state equivalent to that of a closet or chest of drawers, making them easy to install and cost, as well as transporting and moving. They can be assembled into the size and shape desired by the user, making them optional for various spaces. It has a structure suitable for installation.

A conventional prefabricated storage cabinet has a length in the vertical direction, has multiple vertical frames whose lower ends are seated on the installation surface (floor, etc.), the edges of which are respectively joined to the width direction of the vertical frames, and are arranged in multiple layers along the vertical direction. It consists of a shelf and a fastening member for coupling and separating the edge of the shelf and the width direction of the vertical frame, and the position and height of the shelf can be variably adjusted by coupling and separating the fastening members.

However, since conventional prefabricated storage units are installed with the top of the vertical frame spaced apart from the ceiling, shaking of the vertical frame may occur if the installation surface is inclined or curved, and the weight and weight of the items stored on the shelf There was a risk of shaking or tipping over due to instability in the center.

In addition, among conventional prefabricated storage cabinets, a structure has been proposed that can stably fix the prefabricated storage cabinet by fixedly attaching the top of the vertical frame to the ceiling. However, if the surface of the ceiling is not uniform, the top of the vertical frame and the ceiling are closely connected. It was difficult to install stably because it was not tightly adhered.

Prior literature related to the present invention includes Republic of Korea Registered Utility Model Publication No. 20-0482159 (December 16, 2016), which discloses prefabricated furniture.

The purpose of the present invention is to provide a furniture frame fixing device that can stably fix the top of a vertical frame at the same height as the ceiling and prevent the system furniture from falling.

The furniture frame fixing device according to the present invention has a lower body portion whose lower end is coupled to the upper end of a vertical frame and a first axis hole is formed at the upper end, and which is disposed on the upper part of the lower body portion so that the upper end is in close contact with the ceiling, and the first An upper body part having a second axis hole formed at the bottom to face the axis hole, and horizontally rotatable disposed between the lower body part and the upper body part, the top and bottom parts of which are screwed into the first axis hole and the second axis hole. They are each coupled by a coupling method, and include a height adjuster that changes the gap between the lower body and the upper body through rotation in the forward and reverse directions, each of which is coupled to both sides of the upper body and is in close contact with the ceiling, and has one or more through holes. A pair of fixing parts that penetrate upward and downward and have a plurality of locking grooves concavely formed along the inner peripheral surface of the through hole, and when inserted through the lower part of the through hole, the upper end is coupled through the installation hole in the ceiling, and the lower end is connected to the installation hole in the ceiling. It is positioned at the bottom of the through hole and includes a pair of fastening parts with a plurality of locking protrusions protruding along the side so as to be inserted male and female into the locking grooves. The locking grooves are open in a vertical direction, and the locking protrusions are connected to the fastening parts. When inserted through the lower part of the through hole, it is characterized in that the male and female are slidingly coupled through the lower part of the locking groove.

In addition, the fastening part has a hollow hole penetrating in the vertical direction, an upper end is coupled to the installation hole through the through hole, a first insertion hole in which the locking protrusion is formed along a side, and a first insertion hole extending from the bottom of the first insertion hole to the side. A first fastening member formed with a first locking hole that protrudes and is positioned at the bottom of the fixing part, the upper end of which is screwed through the lower part of the hollow, and the upper end of which protrudes to the top of the first insertion hole. It may include a second fastening member formed with a second insertion port and a second locking member formed at a larger diameter at the lower end of the second insertion port and positioned at the lower end of the first locking member, wherein the second locking member is coupled. When rotating in this direction, the first insertion hole is pulled downward by the rotational force of the second insertion hole and is elastically deformed so that it can be caught at the top of the ceiling.

In addition, a pair of cut holes penetrate horizontally on both sides of the first insertion hole and have a length in the vertical direction, are concavely formed on the side of the first insertion hole, and are continuously formed along the side of the first insertion hole. It may further include a bending groove.

In addition, it may further include a perforating member coupled to the upper end of the second insertion hole and having a rotating blade formed on the upper end.

In addition, it may further include an inclined surface formed to be inclined at an upper end of the stopping protrusion, and the inclined surface may be formed to be inclined downward in a direction opposite to the first insertion hole.

In addition, the height adjustment unit includes an adjustment member that is horizontally rotatable between the lower body and the upper body and has a plurality of polygonal surfaces formed along an edge, and protrudes from the bottom of the adjustment member to form the first shaft hole. a first rotation shaft that is screwed together and is capable of being raised and lowered through forward and reverse rotation, and which protrudes from the top of the adjustment member and is screwed to the second shaft hole, and raises and lowers the upper body through forward and reverse rotation. It may include a second rotation axis.

In addition, a pair of guide grooves are respectively formed at the upper ends of both sides of the lower body with respect to the first axis hole, and are respectively disposed at the lower ends of both sides of the upper body with respect to the second axis hole, and protrude vertically downward. It may further include a pair of guide bars inserted into the guide groove so as to be able to slide up and down.

The present invention can variably adjust the height of the upper body, so that the vertical frame can be stably fixed at a height corresponding to the ceiling, and the height of the upper body can be finely adjusted without exerting a lot of force, improving convenience of use. Since the fixing part is connected to the ceiling by a fastening part, the upper body part can be firmly fixed to the ceiling, which has the effect of preventing the system furniture from falling.

Figure 1 is a perspective view showing a furniture frame fixing device according to the present invention.

Figure 2 is an exploded perspective view showing the furniture frame fixing device according to the present invention.

Figure 3 is a front view showing a furniture frame fixing device according to the present invention.

Figure 4 is a front view showing a state in which the upper body portion of the furniture frame fixing device according to the present invention is moved upward.

Figure 5 is a plan view showing a furniture frame fixing device according to the present invention.

Figure 6 is a bottom view showing a furniture frame fixing device according to the present invention.

Figure 7 is a front cross-sectional view showing the furniture frame fixing device according to the present invention.

Figure 8 is a front cross-sectional view showing the fixing part and fastening part of the furniture frame fixing device according to the present invention.

Figure 9 is an installation state diagram showing the state in which the perforated member of the fastening part is inserted into the through hole in the furniture frame fixing device according to the present invention.

Figure 10 is an installation state diagram showing a state in which the first insertion hole is deformed after penetrating the ceiling using a perforating member in the furniture frame fixing device according to the present invention.

Figure 11 is a front cross-sectional view showing the state in which the anti-rotation protrusion is applied to the furniture frame fixing device according to the present invention.

Figure 12 is a front cross-sectional view showing the state in which the avoidance space is applied to the furniture frame fixing device according to the present invention.

Figure 13 is a front cross-sectional view showing the state in which the auxiliary locking protrusion is applied to the furniture frame fixing device according to the present invention.

Figure 14 is a front cross-sectional view showing the guide groove and cover applied to the furniture frame fixing device according to the present invention.

Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to the attached drawings.

The advantages and features of the present invention and how to achieve it will become clear by referring to the embodiments described in detail below along with the accompanying drawings.

However, the present invention is not limited to the embodiments disclosed below and will be implemented in various different forms, but the present embodiments only serve to ensure that the disclosure of the present invention is complete and are within the scope of common knowledge in the technical field to which the present invention pertains. It is provided to fully inform those who have the scope of the invention, and the present invention is only defined by the scope of the claims.

Additionally, in describing the present invention, if it is determined that related known techniques may obscure the gist of the present invention, detailed description thereof will be omitted.

Figure 1 is a perspective view showing a furniture frame fixing device according to the present invention, Figure 2 is an exploded perspective view showing a furniture frame fixing device according to the present invention, and Figure 3 shows a furniture frame fixing device according to the present invention. Figure 4 is a front view showing a state in which the upper body portion of the furniture frame fixing device according to the present invention is moved upward, Figure 5 is a plan view showing the furniture frame fixing device according to the present invention, Figure 6 is a bottom view showing the furniture frame fixing device according to the present invention, Figure 7 is a front cross-sectional view showing the furniture frame fixing device according to the present invention, and Figure 8 is a top view of the furniture frame fixing device according to the present invention. It is a front cross-sectional view showing the top and the fastening part, and Figure 9 is an installation state diagram showing the state in which the perforated member of the fastening part is inserted into the through hole in the furniture frame fixing device according to the present invention.

In addition, Figure 10 is an installation state diagram showing the state of deforming the first insertion hole after penetrating the ceiling using a perforation member in the furniture frame fixing device according to the present invention, and Figure 11 is an installation state diagram showing the state of deforming the first insertion hole in the furniture frame fixing device according to the present invention. Figure 12 is a front cross-sectional view showing the state in which the anti-rotation protrusion is applied, Figure 12 is a front cross-sectional view showing the state in which the avoidance space is applied to the furniture frame fixing device according to the present invention, and Figure 13 is a furniture frame fixing device according to the present invention. It is a front cross-sectional view showing the state in which the auxiliary locking protrusion is applied, and Figure 14 is a front cross-sectional view showing the state in which the guide groove and cover are applied to the furniture frame fixing device according to the present invention.

Referring to Figures 1 to 14, the furniture frame fixing device according to the present invention is for coupling the upper end of a vertical frame 10 having a length in the vertical direction to the ceiling 1, and includes a lower body portion 100 and an upper It includes a body portion 200, a height adjustment portion 300, a pair of fixing portions 400, and a pair of fastening portions 500.

The vertical frames 10 are arranged in a plurality spaced apart state, and storage shelves (not shown), etc. may be combined in the width direction, and a separate frame support is installed at the bottom of the vertical frame 10 to be seated on the installation surface ( (not shown) may be further combined.

The lower body 100 is coupled to the top of the vertical frame 10, and the first axis hole 110 is formed vertically at the top of the lower body 100, and the lower end of the lower body 100 is vertical. It can be coupled to the top of the frame 10 in a male and female manner.

The first axis hole 110 may penetrate vertically into the lower part of the lower body 100, and its inner circumferential surface may be laterally circumferential so that the first rotation axis 320, which will be described later, can be horizontally rotated. Corresponding threads may be formed on the inner peripheral surface of the shaft hole 110 so that the first rotation shaft 320, which will be described later, is coupled by a screw coupling method.

Here, a coupler inserted into the groove corresponding to the groove formed at the top of the vertical frame 10 may protrude from the bottom of the lower body 100, and the lower body 100 may be made of a material such as plastic. However, various materials can be selectively used depending on need.

In addition, it may further include a pair of guide grooves 120 formed at the upper ends of both sides of the lower body portion 100 with respect to the first shaft hole 110. A pair of guide grooves 120 are formed perpendicularly at the top of both sides of the lower body 100 and are correspondingly inserted so that the guide bar 220, which will be described later, can slide up and down, and is vertically positioned at the bottom of the lower body 100. can be opened.

The upper body 200 is provided on the upper part of the lower body 100 to be able to adjust the spacing, and is provided on the upper part of the lower body 100 to be able to lift and lower the upper part of the vertical frame 10 to the ceiling (1). ), the top of the upper body portion 200 is in close contact with the ceiling (1).

Here, a second axis hole 210 facing the same axis as the first axis hole 110 is formed vertically at the bottom of the upper body 200, and the upper body 200 is made of a material such as plastic. can be used, but various materials can be used selectively depending on need.

The second axis hole 210 may penetrate vertically into the upper part of the upper body 200, and its inner circumferential surface may be laterally circumferential so that the second rotation axis 330, which will be described later, can be horizontally rotated. Corresponding threads may be formed on the inner peripheral surface of the shaft hole 210 so that the second rotation shaft 330, which will be described later, is coupled by a screw coupling method.

In addition, a pair of guide bars are disposed at the bottom of both sides of the upper body 200 with respect to the second axis hole 210, protrude vertically downward, and are inserted into the above-described guide groove 120 to be able to slide up and down. (220) may be further included. The pair of guide bars 220 have a length in the vertical direction, and the lower ends of the guide bars 220 may be exposed to the lower part of the lower body 100 through the lower part of the guide groove 120.

In addition, the lower end of the guide bar 220 may further include a stopping end (not shown) that protrudes laterally and limits the raised height. For example, when the upper body 200 rises to the maximum height, the stopping end is positioned at the bottom of the lower body 100 to limit the rising height of the guide bar 220, and the stopping end is positioned at the lower end of the lower body 100. Since the maximum rising height of the guide bar 220 is limited, the upper body 200 does not deviate from the upper part of the lower body 100.

That is, when installing the vertical frame 10, the lower end of the vertical frame 10 is seated perpendicularly on the installation surface, and then the upper body portion 200 can be adjusted to a height that is in close contact with the ceiling 1, so that the vertical frame (10) 10) can be stably fixed at a height corresponding to the ceiling (1), and the upper body 200 is guided in the vertical direction by the guide bar 220, preventing shaking and rotation of the upper body 200. can be prevented.

The height adjustment unit 300 is for adjusting the gap between the lower body 100 and the upper body 200, and is arranged to be horizontally rotatable between the lower body 100 and the upper body 200. , the upper and lower ends are respectively coupled to the first shaft hole 110 and the second shaft hole 210 by screwing, and the gap between the lower body portion 100 and the upper body portion 200 is varied through forward and reverse rotation. .

The height adjustment unit 300 according to an embodiment of the present invention is an adjustment member that is horizontally rotatable between the lower body 100 and the upper body 200 and has a plurality of polygonal surfaces formed along the edge. (310), a first rotation shaft 320 that protrudes from the bottom of the adjustment member 310 and is screwed to the first shaft hole 110 and is capable of being raised and lowered through rotation in the forward and reverse directions, and the adjustment member 310. It may include a second rotation shaft 330 that protrudes from the top and is screwed to the second shaft hole 210 and elevates the upper body 200 through forward and reverse rotation.

Since the adjusting member 310 has multiple polygonal surfaces along the side, the user can rotate it horizontally while holding the side of the adjusting member 310 by hand or using a separate rotating tool (wrench, wrench, etc.). It can be rotated horizontally while coupled to the side of the adjustment member 310.

The first rotation axis 320 protrudes vertically from the bottom of the adjustment member 310, and the side surface of the first rotation axis 320 forms a circumference corresponding to the inner peripheral surface of the first axis hole 110, and the first rotation axis 320 A corresponding thread is formed on the side surface to engage with the thread formed on the inner peripheral surface of the first shaft hole 110.

For example, when the adjusting member 310 is horizontally rotated in the positive direction (upward direction), the first rotating shaft 320 rises together with the adjusting member 310, and the screw thread of the first rotating shaft 320 and the first shaft hole Since the thread of (110) forms a spiral and remains engaged, the first rotation axis 320 is fixedly positioned at the adjusted height.

On the other hand, when the adjusting member 310 is horizontally rotated in the reverse direction (downward direction), the first rotating shaft 320 descends together with the adjusting member 310, and the screw thread of the first rotating shaft 320 and the first shaft hole 110 )'s screw threads form a spiral and remain engaged, so the first rotation axis 320 is fixedly positioned at the adjusted height.

The second rotation axis 330 is disposed on the same axis as the first rotation axis 320 and protrudes vertically from the top of the adjustment member 310, and the side of the second rotation axis 330 is the second axis hole 210. It forms a circumference corresponding to the inner circumferential surface of , and a corresponding screw thread is formed on the side of the second rotation axis 330 to engage with the screw thread formed on the inner circumferential surface of the second axis hole 210.

For example, when the adjustment member 310 is horizontally rotated in the positive direction (upward direction), the second axis hole 210 rises due to the horizontal rotation of the second rotation axis 330, and the upper body portion 200 moves to the lower part. It is raised in the direction opposite to the body portion 100, and the thread of the second rotation axis 330 and the thread of the second axis hole 210 form a spiral and remain engaged, so that the second rotation axis 330 is adjusted. It is fixedly located at a height.

On the other hand, when the adjusting member 310 is horizontally rotated in the reverse direction (downward direction), the second rotating shaft 330 descends together with the adjusting member 310, and the screw thread of the second rotating shaft 330 and the second shaft hole 210 )'s threads form a spiral and remain engaged, so the second rotation axis 330 is fixedly positioned at the adjusted height.

That is, when the adjustment member 310 is rotated in the forward and reverse direction, the first rotation axis 320 and the second rotation axis 330 rise and fall, so that the height of the upper body 200 can be finely adjusted, and the adjustment member 310 ) does not require a lot of force when rotating, so the height of the upper body 200 can be easily adjusted.

Additionally, a tool coupling groove 340 may be formed concavely at the bottom of the first rotation axis 320 for coupling a rotary tool (flat-blade screwdriver, cross-head screwdriver, etc.). In this case, the first shaft hole 110 may be vertically opened to the lower part of the lower body 100, and the first rotation shaft 320 may be rotated in the forward/reverse direction with one end of the rotation tool inserted into the tool coupling groove 340. The height of the upper body 200 can be variably adjusted by rotating it.

For example, one end of a rotary tool (flat-blade screwdriver, cross-head screwdriver, etc.) is inserted into the tool coupling groove 340 formed at the bottom of the first rotary shaft 320, and then the first rotary shaft 320 is rotated to form the upper body portion. (200) can be moved by a large amount. Thereafter, the lower end of the lower body 100 is coupled to the vertical frame 10, the height of the upper body 200 can be finely adjusted by rotating the adjustment member 310, and the upper end of the upper body 200 It can be maintained in close contact with the ceiling 1 by the rotational force of the adjustment member 310.

In addition, a tool coupling groove 340 may be further concavely formed at the top of the second rotation axis 330 for coupling a rotary tool (flat-blade screwdriver, cross-head screwdriver, etc.). In this case, the second axis hole 210 may be vertically opened to the upper part of the upper body 200, and the second rotation axis 330 may be rotated in the forward/reverse direction with one end of the rotation tool inserted into the tool coupling groove 340. The height of the upper body 200 can be variably adjusted by rotating it.

For example, one end of a rotary tool (flat-blade screwdriver, cross-head screwdriver, etc.) is inserted into the tool coupling groove 340 formed at the top of the second rotary shaft 330, and then the second rotary shaft 330 is rotated to form the upper body portion. (200) can be moved by a large amount. Thereafter, the height of the upper body 200 can be finely adjusted by rotating the adjustment member 310, and the top of the upper body 200 is closely adhered to the ceiling 1 by the rotational force of the adjustment member 310. The status quo can be maintained.

That is, if you only have a rotating tool such as a flat-blade screwdriver or a cross-head screwdriver, the first rotation axis 320 and the second rotation axis 330 can be rotated together using the tool coupling groove 340, and the adjustment member 310 can be rotated. If the space for turning it is limited or it is difficult to turn it by hand, you can use a rotating tool such as a flat-blade screwdriver or a cross-head screwdriver to improve convenience of use.

A pair of fixing parts 400 are for fixing the upper body 200 to the ceiling 1, and are respectively coupled to both sides of the upper body 200 and are in close contact with the ceiling 1. , one or more through holes 410 penetrate upward and downward so that the fastening part 500, which will be described later, is coupled to the ceiling 1 through the downward direction, and a plurality of locking grooves 420 are concave along the inner peripheral surface of the through hole 410. is formed. Here, the fixing part 400 may be made of a material such as plastic, but various materials may be selectively used as needed.

The inner peripheral surface of the through hole 410 may form a circumference along the side, and a plurality of locking grooves 420 (e.g., four) may be located at regular intervals along the inner peripheral surface of the through hole 410. 410 is open in the vertical direction so that the locking protrusion 512, which will be described later, can be slidably engaged. Here, a seating groove 430 of a larger diameter may be formed concavely in the lower part of the through hole 410 so that the first insertion hole 510 and the second locking hole 540, which will be described later, can be located therein.

The pair of fastening parts 500 are for fixing the fixing part 400 to the ceiling 1, and when inserted through the lower part of the through hole 410, the upper end is coupled through the installation hole of the ceiling 1, The lower end is positioned at the bottom of the through hole 410, and a plurality of locking protrusions 512 are protruded along the side to be inserted into the locking groove 420 in both sexes. The locking protrusion 512 has a length in the vertical direction, and when the fastening part 500 is inserted through the lower part of the through hole 410, the locking protrusion 512 is slidably coupled to the male and female through the lower part of the locking groove 420.

The fastening part 500 according to an embodiment of the present invention has a hollow 511 penetrating in the vertical and longitudinal directions, the upper end is coupled to the installation hole through the through hole 410, and a locking protrusion 512 along the side. A first fastening member formed with a first insertion hole 510 and a first locking hole 520 that protrudes laterally from the bottom of the first insertion hole 510 and is positioned at the bottom of the fixing part 400, and A second insertion hole 530, the upper end of which is coupled by screwing through the lower part of the hollow 511, and the upper end of which protrudes from the top of the first insertion hole 510, and a larger diameter at the bottom of the second insertion hole 530. It may include a second fastening member formed with a second locking member 540 that is positioned at the bottom of the first locking member 520.

The first insertion hole 510 may have a cylindrical shape with a side surface forming a circle, and may be manufactured using a plastic material or the like so that it can be compressed and deformed downward by an external force. The first insertion hole 510 has a through hole 410. It may have a diameter corresponding to . Here, a first screw thread is formed on the inner peripheral surface of the hollow 511 to be coupled to the second insertion hole 530, which will be described later, in a screw-coupling manner, and the first screw thread forms a spiral along the inner peripheral surface of the hollow 511 and is continuous along the vertical direction. can be formed.

The locking protrusions 512 may be arranged in a plurality (e.g., four) spaced apart along the side of the first insertion hole 510, and are positioned vertically downward of the locking groove 420 at the top of the locking protrusions 512. An inclined surface 512a may be formed to prevent interference during insertion. The inclined surface 512a may be formed to be inclined downward in a direction opposite to the first insertion hole 510.

That is, when the first insertion hole 510 is inserted vertically through the lower part of the through hole 410, the inclined surface 512a guides the stopping protrusion 512 to the lower part of the through hole 410, so that the first insertion hole 510 can be easily coupled, and since the locking protrusion 512 is positioned horizontally in the locking groove 420, when the second insertion hole 530 is rotated, the first insertion hole 510 is not rotated together.

Additionally, an avoidance space 516 may be further formed on the blocking protrusion 512 as shown in FIG. 12 . The avoidance space 516 may have a length in the vertical direction and may penetrate both sides of the stopping protrusion 512 in the width direction. Here, the avoidance space 516 may be arranged in a plurality spaced apart manner along the vertical direction, and inside the avoidance space 516, there is an elastic member (spring, rubber, etc., not shown) for applying a compressive elastic force in the forward and backward directions. can be installed. That is, when the locking protrusion 512 is inserted vertically through the lower part of the locking groove 420, the front end of the locking protrusion 512 forms a gap that can be elastically compressed rearward, and the locking protrusion 512 exerts elastic force forward. Since it has a structure that can act, the inner peripheral surface of the locking protrusion 512 and the locking groove 420 can be brought into close contact.

In addition, as shown in FIG. 13, a locking space is formed concavely at the top of the fixing part 400 and communicates with the top of the through hole 410, and protrudes from the front end of the locking protrusion 512 and is positioned at the bottom of the locking space. It may further include an auxiliary stopping protrusion (512b). Here, an auxiliary inclined surface may be further formed at the top of the auxiliary stopping protrusion 512b, and the auxiliary inclined surface may be formed to slope downward in a direction opposite to the first insertion hole 510.

That is, when the first insertion hole 510 is inserted vertically through the lower part of the through hole 410, the auxiliary inclined surface guides the auxiliary locking protrusion 512b to the inside of the through hole 410, so that the auxiliary locking protrusion 512b Can pass through the through-hole 410 in a retracted state, and the auxiliary locking protrusion 512b returns forward due to the return elastic force of the locking protrusion 512 and can be positioned at the bottom of the locking space. In this state, the locking protrusion 512 is positioned horizontally in the locking groove 420, and the auxiliary locking protrusion 512b is positioned vertically in the locking space, so that the coupling force of the first insertion hole 510 can be improved.

The first locking hole 520 may continuously protrude along the side of the first insertion hole 510, and when the first insertion hole 510 is inserted vertically through the lower part of the through hole 410, the fixing part 400 ) is positioned at the bottom or the top of the seating groove 430, and the first locking hole 520 may be positioned inserted into the inside of the seating groove 430.

The second insertion hole 530 may have a shape corresponding to the hollow 511 of the first insertion hole 510 and can be manufactured using a metal material, etc., and a hollow 511 is formed on the side of the second insertion hole 530. A second screw thread is formed to engage and engage with the first screw thread formed on the inner peripheral surface. The second screw thread may be formed continuously along the vertical direction while forming a spiral along the side of the second insertion hole 530.

The second locking hole 540 is positioned at the bottom of the first locking hole 520 when the second insertion hole 530 is vertically inserted through the hollow 511 of the first insertion hole 510, and the seating groove 430 ), and at the bottom of the second locking hole 540, a tool coupling groove 541 for coupling one end of a rotating tool (flat-blade screwdriver, cross-head screwdriver, etc.) is formed concavely. You can. That is, the second locking tool 540 can be rotated in the forward/reverse direction with one end of the rotary tool inserted into the tool coupling groove 541.

Additionally, a perforation member 515 may be further coupled to the top of the second insertion hole 530 to form an installation hole by perforating the ceiling 1 vertically. The perforating member 515 is coupled to the upper end of the second insertion hole 530 and may further include a perforating member 515 having a rotating blade 515a formed at the upper end, and the lower end of the perforating member 515 is connected to the second insertion hole 530. It can be coupled to the top of (530) by screwing. Here, the rotating blade 515a may have a width in the front-to-back direction that is narrower than the width in the left-right direction, and the width on both sides gradually decreases toward the top.

For example, when the second insertion hole 530 is coupled to the hollow 511 of the first insertion hole 510 and the second locking hole 540 is rotated in the coupling direction, the first insertion hole 510 and the second insertion hole 510 Since the first locking hole 520, the second insertion hole 530, and the second locking hole 540 rotate together, and the rotating blade 515a of the perforating member 515 rotates together, the upper end of the rotating blade 515a The installation hole can be formed vertically while in close contact with the ceiling (1).

In addition, a pair of cut holes 513 are horizontally penetrating both sides of the above-described first insertion hole 510 and have a length in the vertical direction, and are concavely formed on the side of the first insertion hole 510, and a first It may further include a bent groove 514 continuously formed along the side of the insertion hole 510.

The cutting hole 513 divides the first insertion hole 510 into two sides so that both sides of the first insertion hole 510 can be opened laterally, and the bending groove 514 is concave on the side of the first insertion hole 510. Therefore, the portion of the first insertion hole 510 where the bending groove portion 514 is formed is formed to be relatively thin.

For example, when the second insertion hole 530 is coupled to the hollow 511 of the first insertion hole 510 and the second locking hole 540 is rotated in the coupling direction, the second insertion hole 530 and the screw A traction force acts downward on the first insertion hole 510 coupled in a coupling manner, and the upper end of the first insertion hole 510 is compressed downward by the rotational force of the second insertion hole 530 as shown in FIG. 10, thereby deforming the shape.

In this process, both sides of the first insertion hole 510 are spread to both sides based on the cutting hole 513, expanding the width, and the bending groove portion 514, which has a relatively thin thickness, is bent and deformed on both sides. At this time, both sides of the first insertion hole 510 are in close contact with the top of the ceiling 1, and the first locking hole 520 is positioned at the top of the seating groove 430, so that the fixing part 400 It is fixed in close contact with the ceiling (1).

In addition, a ring-shaped washer 550 using a metal material may be further coupled between the second locking port 540 and the first locking port 520, and the washer 550 has a second insertion port 530. The hollow can be penetrated up and down so that it can be penetrated. That is, since the washer 550 supports the upper end of the second locking member 540 and the lower end of the first locking member 520, the second locking member 540 can be easily rotated using a rotary tool.

As shown in FIG. 11, the furniture frame fixing device according to an embodiment of the present invention has a rotation prevention protrusion 521 protruding from the top of the second locking hole 540 and a concave shape at the top of the seating groove 430 to prevent rotation. The protrusions 521 may further include anti-rotation grooves that are respectively inserted into the male and female protrusions. The rotation prevention protrusions 521 may be arranged in a plurality spaced apart state along the circumference of the second locking hole 540, and when the locking protrusion 512 is inserted into the locking groove 420, the rotation prevention protrusions 521 can be inserted perpendicularly into the anti-rotation groove.

Since this rotation prevention protrusion 521 is positioned horizontally when inserted into the rotation prevention groove, the first locking hole 520 and the first insertion hole ( Since 510 does not rotate and the first locking member 520 and the first insertion hole 510 do not rotate, the traction force of the second insertion hole 530 can be transmitted to the first insertion hole 510.

In addition, the furniture frame fixing device according to an embodiment of the present invention includes a guide groove 610 that passes horizontally through one side of the fixing part 400 and communicates with the seating groove 430 and the outside, as shown in FIG. 14, and a guide groove It may further include a cover 620 that is slidably coupled to the inside of the 610 and closes the lower portion of the seating groove 430 when moved to the closed position, while opening the lower portion of the seating groove 430 when moved to the open position. You can.

One side of the cover 620 is positioned toward the inside of the seating groove 430, and the operating end on the other side may be exposed to the outside of the fixing part 400 so that the user can operate it. That is, when the user pushes the operating end of the cover 620 to the closed position, the cover 620 moves to the closed position, and when the user pulls the operating end of the cover 620 to the open position, the cover 620 moves to the opposite position. It is moved.

In addition, a locking groove 611 may be formed concavely at the top or bottom of the guide groove 610, and a locking protrusion 621 may be inserted into the top or bottom of the cover 620 to correspond to the locking groove 611. ) may protrude. Here, the upper end of the locking protrusion 621 may form an upwardly convex curvature (such as a hemispherical shape), and the locking groove 611 may form a curvature corresponding to the locking protrusion 621.

In addition, a mounting groove 630 may be formed concavely on one wall of the seating groove 430 so that the front ends of the cover 620 can be inserted correspondingly in both sexes, and when the cover 620 is moved to the closed position. The front end of the cover 620 may be inserted into the mounting groove 630. That is, since the front end of the cover 620 is closed while being inserted into the mounting groove 630, a gap is not formed between the cover 620 and the seating groove 430 when the cover 620 is closed.

For example, the locking groove 611 and the locking protrusion 621 are combined male and female when moving the cover 620 to the closed position to prevent the cover 620 from being easily opened by external force, and the user can use the cover ( When the operating end of 620 is pulled with a certain force or more, the locking protrusion 621 may be separated from the locking groove 611, and when the cover 620 is closed, the fastening portion 500 is not exposed downward, so the fixing portion 500 is not exposed downward. (400) can be finished simply.

As a result, the present invention can variably adjust the height of the upper body 200, so that the vertical frame 10 can be stably fixed at a height corresponding to the ceiling 1, and the upper body 200 can be fixed without exerting a lot of force. The height of (200) can be finely adjusted to improve convenience of use, and since the fixing part (400) is coupled to the ceiling (1) by the fastening part (500), the upper body part (200) is firmly fixed. This can prevent the system furniture from falling over.

Although specific embodiments of the furniture frame fixing device according to the present invention have been described so far, it is obvious that various implementation modifications are possible without departing from the scope of the present invention.

Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined by the claims and equivalents thereof as well as the claims described later.

That is, the above-described embodiments should be understood in all respects as illustrative and not restrictive, and the scope of the present invention is indicated by the claims to be described later rather than the detailed description, and the meaning and scope of the claims and All changes or modified forms derived from the equivalent concept should be construed as falling within the scope of the present invention.

The form for carrying out the invention has been described together with the above best form for carrying out the invention.

The present invention has industrial applicability because it can stably fix the top of the vertical frame at the same height as the ceiling.

Claims

A lower body portion whose lower end is coupled to the upper end of the vertical frame and where a first shaft hole is formed at the upper end;

an upper body portion disposed above the lower body portion, the upper end of which is in close contact with the ceiling, and a second shaft hole formed at the lower end to face the first shaft hole;

It is disposed to be horizontally rotatable between the lower body portion and the upper body portion, and the upper and lower ends are respectively coupled to the first shaft hole and the second shaft hole by screwing, and the lower body portion and the lower body portion are rotated forward and backward. a height adjustment unit that varies the spacing of the upper body portion;

a pair of fixing parts respectively coupled to both sides of the upper body part and in close contact with the ceiling, having one or more through holes penetrating upward and downward, and having a plurality of locking grooves concavely formed along the inner peripheral surface of the through holes; and

When inserted through the lower part of the through hole, the upper end is coupled to the installation hole in the ceiling, the lower end is positioned at the bottom of the through hole, and a pair of protruding protrusions protrudes along the side to allow male and female insertion into the engaging groove. Includes a fastening part of,

The locking groove is open in the vertical direction, and the locking protrusion is slidingly coupled to the male and female through the lower part of the locking groove when the fastening part is inserted through the lower part of the through hole.
According to paragraph 1,

The fastening part,

A first insertion hole in which the hollow penetrates in the vertical direction, the upper end of which is coupled to the installation hole through the through hole, and the locking protrusion is formed along the side, and the fixing part protrudes laterally from the bottom of the first insertion hole. A first fastening member formed with a first locking hole positioned at the bottom of the and,

The upper end is coupled by screwing through the lower part of the hollow, the upper end is a second insertion hole protruding from the top of the first insertion hole, and a larger diameter is formed at the lower end of the second insertion hole and the lower end of the first locking hole It includes a second fastening member formed with a second locking hole that is positioned to lock,

A frame fixing device for furniture, characterized in that when the second locking member rotates in the engaging direction, the first insertion tool is compressed and deformed downward by the rotational force of the second insertion tool and is positioned at the top of the ceiling.
According to paragraph 2,

A pair of cut holes horizontally penetrating both sides of the first insertion hole and having a length in the vertical direction,

A frame fixing device for furniture, characterized in that it is formed concavely on a side surface of the first insertion hole and further comprises a bent groove formed continuously along the side surface of the first insertion hole.
According to paragraph 2,

A furniture frame fixing device coupled to the upper end of the second insertion hole and further comprising a perforating member having a rotating blade formed on the upper end.
According to paragraph 2,

It further includes an inclined surface formed inclined at an upper end of the stopping protrusion,

A frame fixing device for furniture, characterized in that the inclined surface is formed to be inclined downward in a direction opposite to the first insertion hole.
According to paragraph 1,

The height adjustment part,

an adjustment member disposed to be horizontally rotatable between the lower body and the upper body and having a plurality of polygonal surfaces formed along an edge;

A first rotation shaft that protrudes from the lower end of the adjustment member, is screwed to the first shaft hole, and is capable of being raised and lowered through forward and reverse rotation,

A frame fixing device for furniture, comprising a second rotation axis that protrudes from the upper end of the adjustment member, is screwed to the second axis hole, and elevates the upper body through forward and reverse rotation.
According to paragraph 1,

A pair of guide grooves formed at the upper ends of both sides of the lower body with respect to the first shaft hole, and

A furniture frame fixing device further comprising a pair of guide bars disposed at lower ends of both sides of the upper body with respect to the second axis hole, and protruding vertically downward and being inserted into the guide groove to be able to slide up and down. .