CN113482993A

CN113482993A - Intelligent furniture fixed-point expansion locking type furniture plate connecting piece

Info

Publication number: CN113482993A
Application number: CN202110773978.1A
Authority: CN
Inventors: 李鑫
Original assignee: Hebei Normal University of Science and Technology
Current assignee: Hebei Normal University of Science and Technology
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2021-10-08

Abstract

The invention discloses an intelligent furniture fixed-point expansion locking type furniture board connecting piece which comprises a first board body and a second board body, wherein the upper surface of the first board body is provided with a mounting hole, a rotating shaft is movably connected inside the mounting hole, the upper surface of the rotating shaft is provided with a cross groove, and the left side surface of the second board body is provided with a threaded hole. This intelligence furniture fixed point inflation locking formula furniture board connecting piece, the inflation piece expands, it carries out relative movement to drive the fixed block, the fixed block card is gone into the inside of fixed slot, accomplish fixed and being connected between first plate body and the second plate body, the inflation through the inflation piece is accomplished to fixed between first plate body and the second plate body, stability and fastness when consequently improving the fixation, make furniture can not appear rocking and the phenomenon of the insecure collapse of connection in the use, and then guarantee the security of furniture in the use, and improve the life of furniture.

Description

Intelligent furniture fixed-point expansion locking type furniture plate connecting piece

Technical Field

The invention relates to the technical field of furniture manufacturing, in particular to an intelligent furniture fixed-point expansion locking type furniture plate connecting piece.

Background

In the process of manufacturing wood furniture, two boards are often required to be connected to form various different structural forms;

the most common existing mode is called a three-in-one connecting piece, and is particularly suitable for connection between a plate-type furniture plate and a plate, although the mode can be used for quickly fixing the furniture plates, the installation steps are complex, and when the furniture is required to be disassembled, the position of the furniture installation connecting piece is easy to break, so that the furniture cannot be continuously used, and the connecting mode is easy to loose in the long-term use process, so that the furniture is easy to collapse and loose, and the service life of the furniture is shortened.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the intelligent furniture fixed-point expansion locking type furniture plate connecting piece, which has the advantages that the furniture plates can be fixed through the expansion between the connecting pieces, and the like, and solves the problems that when the furniture needs to be disassembled, the furniture mounting connecting piece is easy to break, and the connecting mode is easy to loosen in the long-term use process, so that the furniture collapses and loosens, and the service life of the furniture is further shortened.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an intelligence furniture fixed point inflation locking formula furniture board connecting piece, includes first plate body and second plate body, the mounting hole has been seted up to the upper surface of first plate body, and the inside swing joint of mounting hole has the axis of rotation, and the cross recess has been seted up to the upper surface of axis of rotation, and threaded hole has been seted up on the left side surface of second plate body, and the inside threaded connection of screw hole has the bolt, is provided with expansion mechanism on the bolt, sets up the fixed orifices that extends to first plate body right-hand member on the inner wall of mounting hole, and the inside of fixed orifices is provided with fixed establishment.

Preferably, the rotating shaft is I-shaped, and a first bevel gear is fixedly sleeved on the rotating shaft.

Preferably, expansion mechanism includes the inflation piece, and the inflation piece just possesses elasticity for ring shape, inflation piece fixed connection at the left end of bolt, and the inflation groove has not been seted up with the one end of bolt contact to the inflation piece, and the equal fixed connection in both sides about the inflation piece is the fixed block for the hemisphere shape, fixedly connected with extension spring on the inner wall of inflation piece.

Preferably, the fixing mechanism comprises an ejector rod arranged inside the fixing hole, the inner thread of the ejector rod is connected with a threaded rod, one end, close to the first bevel gear, of the threaded rod is fixedly connected with a second bevel gear, and the second bevel gear is meshed with the first bevel gear.

Preferably, one end of the ejector rod, which is far away from the first bevel gear, is fixedly connected with an expansion ball, and a fixing groove matched with the fixing block is formed in the fixing hole.

Preferably, the outer surface of the ejector rod is fixedly connected with a rubber pad.

Preferably, the built-in groove has been seted up on the ejector pin, and the inside swing joint in built-in groove has supplementary piece, and the one end that supplementary piece is located the built-in groove is the arc, has seted up the rotation hole on the supplementary piece, and the inside rotation in rotation hole is connected with the dwang, dwang fixed connection is on the inner wall in built-in groove.

Preferably, the rotating rod is movably sleeved with a torsion spring, and two torsion arms of the torsion spring are respectively and fixedly connected to the surface of the rotating rod and the inner wall of the rotating hole.

Preferably, the inner wall of the fixing hole is provided with an auxiliary groove matched with the auxiliary block, and the auxiliary groove is positioned on the left side of the fixing groove and is not contacted with the fixing groove.

(III) advantageous effects

Compared with the prior art, the invention provides an intelligent furniture fixed-point expansion locking type furniture plate connecting piece, which has the following beneficial effects:

1. the intelligent furniture fixed-point expansion locking type furniture board connecting piece has the advantages that when furniture boards need to be connected, when the rotating shaft is rotated, the rotating shaft drives the first bevel gear and the second bevel gear to rotate, so the second bevel gear drives the threaded rod to rotate, the threaded rod rotates to enable the ejector rod to move rightwards in the fixing hole, so the expansion ball enters the expansion block, the diameter of the expansion ball is larger than that of the expansion block, the expansion block expands to drive the fixing block to move relatively, the fixing block is clamped into the fixing groove, fixing and connection between the first board body and the second board body are completed, fixing between the first board body and the second board body is completed through expansion of the expansion block, stability and firmness in fixing are improved, and the phenomena of shaking and insecure collapse of the furniture boards cannot occur in the using process, thereby ensuring the safety of the furniture in the using process and prolonging the service life of the furniture.

2. This intelligence furniture fixed point inflation locking formula furniture panel connecting piece, through the rubber pad that sets up, possess good expansibility according to rubber pad itself, consequently when the ejector pin setting is in the inside of fixed orifices, the coefficient of friction between increase ejector pin and the fixed orifices, consequently make the threaded rod when rotating, the ejector pin can not follow the rotation of threaded rod and rotate, consequently guarantee that the ejector pin carries out normal removal in the inside of fixed orifices, and then guarantee the normal inflation to the inflation piece.

3. This intelligence furniture fixed point inflation locking formula furniture board connecting piece, built-in groove through setting up, when the inside at the fixed orifices is installed to the ejector pin to needs, rotate supplementary piece, make the inside of supplementary piece retraction built-in groove, torsion spring takes place the distortion this moment, consequently, insert the inside of fixed orifices with the ejector pin, the inner wall of fixed orifices blocks the built-in groove, consequently, supplementary piece continues to retract the inside of built-in groove, when the built-in groove removes the position at supplementary groove place, supplementary piece is not receiving blocking of fixed orifices inner wall, consequently, torsion spring resets and drives supplementary piece and stretch out from the inside of built-in groove, consequently supplementary piece carries out sliding connection with supplementary groove, and then make the installation step of ejector pin simple easy operation, consequently, shorten the time that the connecting piece installation is wasted, and then improve the installation effectiveness.

4. This intelligence furniture fixed point inflation locking formula furniture board connecting piece, because the sliding connection in supplementary piece and supplementary groove, and then restrict the ejector pin once more, consequently make the threaded rod when rotating, the ejector pin can not rotate along with the rotation of threaded rod, the ejector pin only can remove about the inside of fixed orifices when the threaded rod rotates, consequently guarantee that the inflation ball can follow the inside roll-off and the roll-in of inflation piece, and then guarantee to be connected and dismantle between first plate body and the second plate body, consequently, efficiency when improving furniture installation and dismantlement.

5. This intelligence furniture fixed point inflation locking formula furniture panel connecting piece, through the cross recess that sets up, consequently need insert the inside of cross recess through outside screwdriver and just can rotate the axis of rotation, consequently guarantee that random removal can not appear in the axis of rotation, and then guarantee the inflation effect of inflation ball to the inflation piece, consequently guarantee the stability and the security of furniture in the use.

6. This intelligence furniture fixed point inflation locking formula furniture panel connecting piece, extension spring through setting up to and the inflation piece possesses elasticity, consequently when the inflation ball breaks away from the inside of inflation piece, the elasticity of the shrink fit inflation piece self of extension spring can make the fixed block break away from the inside of fixed slot, consequently makes the dismantlement between the furniture panel convenient and fast more, has avoided the damage problem that the dismantlement in-process appears simultaneously, consequently improves furniture panel's life.

Drawings

FIG. 1 is a schematic structural view of an intelligent furniture fixed-point expansion locking type furniture board connecting piece of the present invention;

FIG. 2 is a schematic exploded view of the first and second plate structures of the present invention;

FIG. 3 is a schematic front view of the first and second plate structures of the present invention;

FIG. 4 is a schematic view of a rotating shaft according to the present invention;

FIG. 5 is a schematic view of the ejector pin structure of the present invention;

FIG. 6 is a schematic diagram of an auxiliary block structure according to the present invention.

In the figure: 1 first plate body, 2 second plate body, 3 mounting holes, 301 rotating shaft, 302 first bevel gear, 303 cross groove, 4 fixing hole, 401 threaded rod, 402 ejector pin, 403 rubber pad, 404 built-in groove, 405 expansion ball, 406 second bevel gear, 407 auxiliary groove, 408 fixing groove, 5 threaded hole, 501 bolt, 502 expansion block, 503 fixing block, 504 expansion groove, 505 extension spring, 6 auxiliary block, 601 rotating hole, 602 torsion spring and 603 rotating rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: an intelligent furniture fixed-point expansion locking type furniture plate connecting piece comprises a first plate body 1 and a second plate body 2, wherein a mounting hole 3 is formed in the upper surface of the first plate body 1, a rotating shaft 301 is movably connected inside the mounting hole 3, a cross groove 303 is formed in the upper surface of the rotating shaft 301, a threaded hole 5 is formed in the left side surface of the second plate body 2, a bolt 501 is connected to the inner portion of the threaded hole 5 in a threaded manner, an expansion mechanism is arranged on the bolt 501, a fixing hole 4 extending to the right end of the first plate body 1 is formed in the inner wall of the mounting hole 3, and a fixing mechanism is arranged inside the fixing hole 4;

further, the rotating shaft 301 is i-shaped, and a first bevel gear 302 is fixedly sleeved on the rotating shaft 301;

the expansion mechanism comprises an expansion block 502, the expansion block 502 is annular and elastic, the expansion block 502 is fixedly connected to the left end of the bolt 501, an expansion groove 504 is formed in one end, not in contact with the bolt 501, of the expansion block 502, fixing blocks 503 in a semi-spherical shape are fixedly connected to the upper side and the lower side of the expansion block 502, and a tension spring 505 is fixedly connected to the inner wall of the expansion block 502;

the left end of the expansion block 502 is divided into two parts by the upper expansion groove 504 arranged on the expansion block 502, when an external mechanism enters the expansion block 502, the expansion block 502 is stressed to expand the expansion block 502, the tension spring 505 is stressed to expand the expansion block 502 along with the expansion of the expansion block 502, and at the moment, the fixed block 503 is driven to move relatively along with the expansion of the expansion block 502, so that the movement of the fixed block 503 can be matched with an external structure to complete the fixation of the second plate body 2;

the fixing mechanism comprises a push rod 402 arranged in the fixing hole 4, a threaded rod 401 is connected to the inner thread of the push rod 402, a second bevel gear 406 is fixedly connected to one end, close to the first bevel gear 302, of the threaded rod 401, the second bevel gear 406 is meshed with the first bevel gear 302, an expansion ball 405 is fixedly connected to one end, far away from the first bevel gear 302, of the push rod 402, the diameter of the expansion ball 405 is larger than that of the expansion block 502, and a fixing groove 408 matched with the fixing block 503 is formed in the fixing hole 4;

through the threaded connection between the threaded rod 401 and the push rod 402 and the mutual engagement between the first bevel gear 302 and the second bevel gear 406, when the rotating shaft 301 is rotated, the rotating shaft 301 drives the first bevel gear 302 and the second bevel gear 406 to rotate, so the second bevel gear 406 drives the threaded rod 401 to rotate, the rotation of the threaded rod 401 causes the push rod 402 to move rightwards in the fixing hole 4, so the expansion ball 405 enters the expansion block 502, and further the expansion block 502 expands along with the diameter of the expansion ball 405 being larger than that of the expansion block 502, so the expansion block 502 drives the fixing block 503 to move relatively, so the fixing block 503 is clamped into the fixing groove 408, and the fixing and the connection between the first plate body 1 and the second plate body 2 are completed, and the fixing between the first plate body 1 and the second plate body 2 is completed through the expansion of the expansion block 502, therefore, the stability and the firmness in the fixing process are improved, the phenomena of shaking and unstable and collapsed connection of the furniture in the use process are avoided, the safety of the furniture in the use process is further ensured, and the service life of the furniture is prolonged;

further, a rubber pad 403 is fixedly connected to the outer surface of the ejector rod 402, and the rubber pad 403 has good expansion performance according to the rubber pad 403, so that when the ejector rod 402 is arranged inside the fixing hole 4, the friction coefficient between the ejector rod 402 and the fixing hole 4 is increased, and when the threaded rod 401 rotates, the ejector rod 402 cannot rotate along with the rotation of the threaded rod 401, so that the ejector rod 402 is ensured to normally move inside the fixing hole 4, and the expansion block 502 is ensured to normally expand;

further, an inner groove 404 is formed in the top rod 402, an auxiliary block 6 is movably connected inside the inner groove 404, one end, located in the inner groove 404, of the auxiliary block 6 is arc-shaped, a rotating hole 601 is formed in the auxiliary block 6, a rotating rod 603 is rotatably connected inside the rotating hole 601, the rotating rod 603 is fixedly connected to the inner wall of the inner groove 404, a torsion spring 602 is movably sleeved on the rotating rod 603, two torsion arms of the torsion spring 602 are fixedly connected to the surface of the rotating rod 603 and the inner wall of the rotating hole 601 respectively, and the auxiliary block 6 is in a vertical state in an initial state;

furthermore, an auxiliary groove 407 matched with the auxiliary block 6 is formed in the inner wall of the fixing hole 4, and the auxiliary groove 407 is located on the left side of the fixing groove 408 and does not contact with the fixing groove;

through the built-in groove 404, when the push rod 402 needs to be installed in the fixing hole 4, the auxiliary block 6 is rotated, so that the auxiliary block 6 is retracted into the built-in groove 404, at the moment, the torsion spring 602 is twisted, therefore, the push rod 402 is inserted into the fixing hole 4, the inner wall of the fixing hole 4 blocks the built-in groove 404, therefore, the auxiliary block 6 is continuously retracted into the built-in groove 404, when the built-in groove 404 moves to the position of the auxiliary groove 407, the auxiliary block 6 is not blocked by the inner wall of the fixing hole 4, therefore, the torsion spring 602 resets to drive the auxiliary block 6 to extend out from the built-in groove 404, therefore, the auxiliary block 6 is in sliding connection with the auxiliary groove 407, therefore, due to the sliding connection between the auxiliary block 6 and the auxiliary groove 407, the push rod 402 is limited again, therefore, when the threaded rod 401 rotates, the push rod 402 cannot rotate along with the rotation of the threaded rod 401, the ejector rod 402 moves left and right in the fixing hole 4 only when the threaded rod 401 rotates, so that the expansion ball 405 can slide out of and into the expansion block 502, connection and detachment between the first plate body 1 and the second plate body 2 are guaranteed, and efficiency of furniture installation and detachment is improved.

The working principle is as follows: when the intelligent furniture fixed-point expansion locking type furniture plate connecting piece is used;

the first step is as follows: through the threaded connection between the threaded rod 401 and the push rod 402 and the mutual engagement between the first bevel gear 302 and the second bevel gear 406, when the rotating shaft 301 is rotated, the rotating shaft 301 drives the first bevel gear 302 and the second bevel gear 406 to rotate, so the second bevel gear 406 drives the threaded rod 401 to rotate, the rotation of the threaded rod 401 causes the push rod 402 to move rightwards in the fixing hole 4, so the expansion ball 405 enters the expansion block 502, and further the expansion block 502 expands along with the diameter of the expansion ball 405 being larger than that of the expansion block 502, so the expansion block 502 drives the fixing block 503 to move relatively, so the fixing block 503 is clamped into the fixing groove 408, and the fixing and the connection between the first plate body 1 and the second plate body 2 are completed, and the fixing between the first plate body 1 and the second plate body 2 is completed through the expansion of the expansion block 502, therefore, the stability and the firmness in the fixing process are improved, the phenomena of shaking and unstable and collapsed connection of the furniture in the use process are avoided, the safety of the furniture in the use process is further ensured, and the service life of the furniture is prolonged;

the second step is that: through the arranged rubber pad 403, the rubber pad 403 has good expansion performance, so that when the ejector rod 402 is arranged inside the fixing hole 4, the friction coefficient between the ejector rod 402 and the fixing hole 4 is increased, and when the threaded rod 401 rotates, the ejector rod 402 cannot rotate along with the rotation of the threaded rod 401, so that the ejector rod 402 is ensured to normally move inside the fixing hole 4, and the expansion block 502 is ensured to normally expand;

the third step: through the built-in groove 404, when the push rod 402 needs to be installed in the fixing hole 4, the auxiliary block 6 is rotated, so that the auxiliary block 6 is retracted into the built-in groove 404, at the moment, the torsion spring 602 is twisted, therefore, the push rod 402 is inserted into the fixing hole 4, the inner wall of the fixing hole 4 blocks the built-in groove 404, therefore, the auxiliary block 6 is continuously retracted into the built-in groove 404, when the built-in groove 404 moves to the position of the auxiliary groove 407, the auxiliary block 6 is not blocked by the inner wall of the fixing hole 4, therefore, the torsion spring 602 resets to drive the auxiliary block 6 to extend out from the built-in groove 404, therefore, the auxiliary block 6 is in sliding connection with the auxiliary groove 407, therefore, due to the sliding connection between the auxiliary block 6 and the auxiliary groove 407, the push rod 402 is limited again, therefore, when the threaded rod 401 rotates, the push rod 402 cannot rotate along with the rotation of the threaded rod 401, the ejector rod 402 moves left and right in the fixing hole 4 only when the threaded rod 401 rotates, so that the expansion ball 405 can slide out of and into the expansion block 502, connection and detachment between the first plate body 1 and the second plate body 2 are guaranteed, and efficiency of furniture installation and detachment is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an intelligence furniture fixed point inflation locking formula furniture board connecting piece, includes first plate body (1) and second plate body (2), its characterized in that: mounting hole (3) have been seted up to the upper surface of first plate body (1), the inside swing joint of mounting hole (3) has axis of rotation (301), cross slot (303) have been seted up to the upper surface of axis of rotation (301), threaded hole (5) have been seted up to the left surface of second plate body (2), the inside threaded connection of screw hole (5) has bolt (501), be provided with expansion mechanism on bolt (501), set up fixed orifices (4) that extend to first plate body (1) right-hand member on the inner wall of mounting hole (3), the inside of fixed orifices (4) is provided with fixed establishment.

2. The intelligent furniture fixed-point expansion locking type furniture board connecting piece of claim 1, wherein: the rotating shaft (301) is I-shaped, and a first bevel gear (302) is fixedly sleeved on the rotating shaft (301).

3. The intelligent furniture fixed-point expansion locking type furniture board connecting piece of claim 1, wherein: expansion mechanism includes inflation piece (502), and inflation piece (502) are ring shape and possess elasticity, and inflation piece (502) fixed connection has seted up inflation groove (504) at the left end of bolt (501) for the ring shape, inflation piece (502) one end that does not contact with bolt (501), and the equal fixed connection in upper and lower both sides of inflation piece (502) is fixed connection for semi-spherical fixed block (503), fixedly connected with extension spring (505) on the inner wall of inflation piece (502).

4. The intelligent furniture fixed-point expansion locking type furniture board connecting piece of claim 1, wherein: the fixing mechanism comprises a push rod (402) arranged in the fixing hole (4), a threaded rod (401) is connected to the inner thread of the push rod (402), a second bevel gear (406) is fixedly connected to one end, close to the first bevel gear (302), of the threaded rod (401), and the second bevel gear (406) is meshed with the first bevel gear (302).

5. The intelligent furniture fixed-point expansion locking type furniture board connecting piece of claim 4, wherein: one end, far away from the first conical gear (302), of the ejector rod (402) is fixedly connected with an expansion ball (405), and a fixing groove (408) matched with the fixing block (503) is formed in the fixing hole (4).

6. The intelligent furniture fixed-point expansion locking type furniture board connecting piece of claim 4, wherein: the outer surface of the ejector rod (402) is fixedly connected with a rubber pad (403).

7. The intelligent furniture fixed-point expansion locking type furniture board connecting piece of claim 4, wherein: the inner groove (404) is formed in the ejector rod (402), the auxiliary block (6) is movably connected inside the inner groove (404), one end, located in the inner groove (404), of the auxiliary block (6) is arc-shaped, the auxiliary block (6) is provided with a rotating hole (601), the rotating hole (601) is rotatably connected inside the rotating hole (601), and the rotating rod (603) is fixedly connected to the inner wall of the inner groove (404).

8. The intelligent furniture fixed-point expansion locking type furniture board connecting piece of claim 7, wherein: the torsion spring (602) is movably sleeved on the rotating rod (603), and two torsion arms of the torsion spring (602) are respectively and fixedly connected to the surface of the rotating rod (603) and the inner wall of the rotating hole (601).

9. The intelligent furniture fixed-point expansion locking type furniture board connecting piece of claim 7, wherein: and an auxiliary groove (407) matched with the auxiliary block (6) is formed in the inner wall of the fixing hole (4), and the auxiliary groove (407) is positioned on the left side of the fixing groove (408) and is not in contact with the fixing groove.