CN217421740U

CN217421740U - Fully-concealed connecting structure for furniture board body

Info

Publication number: CN217421740U
Application number: CN202221091053.5U
Authority: CN
Inventors: 夏静雅; 韩立明; 毕长虎
Original assignee: Nanjing Olo Home Furnishing Co ltd
Current assignee: Nanjing Olo Home Furnishing Co ltd
Priority date: 2022-05-09
Filing date: 2022-05-09
Publication date: 2022-09-13
Anticipated expiration: 2032-05-09

Abstract

The utility model discloses a full hidden connection structure of furniture plate body relates to furniture processing technology field, including setting up in plate body A in-connection union piece and setting up the built-in fitting in plate body B. The connecting piece is equipped with expansion sleeve, screw rod, compression spring and kicking block, and external force can make this connecting piece expand in the plate during the equipment to play the pulling force effect, compression spring makes the screw rod have flexible function. The guide plate is arranged in the embedded part and can be matched with a telescopic structure of the connecting piece for use, so that the connecting piece can be conveniently slid in and separated; the embedded part is provided with a plane opening at the same time and can be telescopically engaged with the screw head of the expansion connecting piece. The utility model discloses a connecting piece pulling force is effectual and simple to operate, can carry out the secondary and dismantle, and all connecting pieces are whole to be hidden in the plate simultaneously, make furniture more pleasing to the eye.

Description

Fully-concealed connecting structure for furniture board body

Technical Field

The utility model relates to a furniture processing technology field, concretely relates to full hidden connection structure of furniture plate body.

Background

The connecting piece is the most widely used fitting for the panel furniture, plays a role in fixing the panel and is an essential component in the panel furniture industry. Most of the existing plate furniture are traditional three-in-one connecting pieces, and the fixed connection between the furniture plate bodies is realized mainly through the connection of eccentric wheels, connecting rods and connectors embedded in the plate bodies in sequence. This connection has significant technical drawbacks: firstly, the eccentric wheel part is exposed outside the plate body, so that the plate is not attractive; meanwhile, the eccentric wheel is easy to oxidize and rust when exposed in the air for a long time, is very easy to damage, and can seriously affect the overall effect of the installed plate body. Secondly, this kind of connected mode is higher to eccentric wheel pre-buried position and angle requirement, and the installation is inconvenient, also is not convenient for secondary dismantlement.

The Chinese patent application, application number 202122826649.7, published 2022, 3 and 22 discloses a furniture invisible connecting piece, which comprises a pre-embedded component A and a pre-embedded component B; the embedded component A comprises an outer expansion piece, an inner expansion piece and a tightening screw; the embedded component B comprises a connecting rod, a sleeve and a spring. The utility model discloses an invisible connecting piece realized the nailless connection at all connection positions, all connecting pieces are whole to be hidden in the plate. However, the utility model discloses a scheme still has following not enough: firstly, the assembly component is special in structure, the outer wall of the sleeve is required to be additionally provided with threads to realize the binding force between the embedded part and a plate, and the performance cannot meet the requirement of tension because materials such as plastics cannot be effectively connected with the plate due to over-softness of the materials, so that the material of the sleeve of the embedded component B in the design is limited to be metal, and the product cost is higher; secondly, the jacking screw of the assembly component A and the sleeve of the assembly component B both need specific installation tools, and the size change of the jacking screw and the sleeve brings about corresponding change of the models of the installation tools, so that the installation efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The technical purpose is as follows: but to the current connecting piece that can hide in the cabinet body exist can not the secondary dismantle, the pulling force is little, the installation is inconvenient the scheduling problem not enough, the utility model discloses a can satisfy furniture connecting piece outward appearance simultaneously and hide, secondary dismantlement, the effectual, the simple to operate's of pulling force furniture plate body hidden connection structure entirely.

The technical scheme is as follows: in order to achieve the technical purpose, the utility model adopts the following technical scheme:

a furniture plate body full-hidden connecting structure comprises a connecting piece and an embedded part matched with the connecting piece, wherein the connecting piece and the embedded part are respectively arranged in two furniture plate bodies; the connecting piece comprises an expansion sleeve, a guide rod, a telescopic structure and a top block;

the expansion sleeve is of a hollow cylinder structure, and is provided with an inner hole extending along the axial direction, the guide rod, the telescopic structure and the jacking block are sequentially connected and arranged in the inner hole, one end of the guide rod is limited in the expansion sleeve, and the other end of the guide rod is connected with a positioning connector which is used for being matched and connected with an embedded part;

the expansion sleeve is provided with an expansion part at one end close to the top block, the top block comprises a head connecting section connected with the telescopic structure and a tail connecting section connected with the expansion part in a matched mode, the diameter of the tail connecting section is gradually reduced from the far end to the near end relative to the expansion part to form an inverted cone structure, and when axial pressure is applied to the tail connecting section, the tail connecting section moves in the axial direction and expands the expansion part in the radial direction.

Preferably, the utility model discloses a be equipped with the sawtooth on the connection section of afterbody, the sawtooth is including being used for going on the kicking block before the installation and the last sawtooth of the relative locking of inflation portion to and keep the lower sawtooth of inflation portion state of expanding behind the plate body installation, lower sawtooth is in the tapering region of connection section of afterbody, be equipped with the inner circle sawtooth that is used for being connected with the cooperation of lower sawtooth at the inner wall of inflation portion, through the sawtooth structure on the fitting surface, can avoid kicking block and expansion sleeve to throw off, the atress ability of reinforcing structure.

Preferably, the utility model discloses a sawtooth is along the direction slope that deviates from the inflation portion, and the incline direction of inner circle sawtooth is opposite with the incline direction of sawtooth, and the installation of being convenient for reduces the relative resistance when the installation, can increase the resistance between kicking block and inflation portion inner wall simultaneously after the installation, the load tensile strength of reinforcing structure.

Preferably, the utility model discloses a guide arm is located the one end of expansion tube and is equipped with location portion for the rear end portion on the rear end portion, and the diameter of location portion is greater than the diameter of guide arm, forms T type structure, and the downthehole boss that is equipped with location portion looks butt limits extending structure's flexible distance through the boss.

Preferably, the utility model discloses an extending structure adopts compression spring, and location portion is equipped with the locating lever in the one end that is close to compression spring, and compression spring's tip cover is established in the outer lane of locating lever, and the other end is connected with the prelude linkage segment, and compression spring can use other structures that possess flexible ability to replace.

Preferably, the utility model discloses a positioning connector is including being used for with the main aspects of built-in fitting block and being used for the screens portion of being connected with the guide arm, and the main aspects adopts half spherical structure, the equipment and processing of being convenient for, the main aspects forms the step with the juncture of screens portion simultaneously, joint that can be fine is in the built-in fitting, and structural reliability is good.

Preferably, the utility model discloses an embedded part is inside to have and to be used for holding the holding chamber of positioning connector, the front end in holding chamber are equipped with the front end panel that is used for blocking positioning connector, are equipped with a locating hole on the front end panel, and the locating hole is link up by locating hole I and locating hole II and constitutes, and wherein, locating hole I can supply the tip of positioning connector to pass through, and locating hole II's aperture suits with screens portion department diameter, carries on spacingly and connects through the mode of block, is convenient for assemble the secondary and dismantles the change.

Preferably, the utility model discloses an inside deflector that sets up of built-in fitting, the deflector is an angle sloping platform, and a side of keeping away from locating hole II by locating hole I inwards extends towards locating hole II's direction slope, leads when carrying out the equipment of furniture plate body.

Preferably, the expansion sleeve of the utility model is provided with a circle of limiting ring at the end where the guide rod is located, and the diameter of the limiting ring is larger than that of the expansion sleeve main body to form a limiting structure; the embedded part front end panel is sunken in to the holding chamber direction, forms the depressed area, wraps up the spacing ring, ensures that the plate connects closely, does not leave the space.

Preferably, the utility model discloses an outer wall of expansion sleeve and built-in fitting all is equipped with the structure of falling the sawtooth back of the body with the installation direction, and the sawtooth direction is opposite with built-in fitting installation direction to reinforcing frictional force only needs external force to knock into the mounting hole with it during the installation. The outer side wall of most of the existing embedded parts is designed by using external threads to increase the tensile force, so that the requirement on materials is high, metal parts are needed, and the cost is high.

The inverted sawtooth structure can enhance the tension between the embedded part and the plate, so that the requirement on the material of the embedded part is not high, and even a plastic part can realize sufficient tension and reduce the cost.

Has the advantages that: the utility model has the advantages of, through the combination of connecting piece and built-in fitting, realized simultaneously that the connecting piece is hidden entirely, can dismantle, the low cost, install and remove convenient, the effectual target of pulling force:

the connecting piece structure maximum diameter size is 15mm, matches 18mm thick boards among the common panel furniture, can hide the connecting piece main part is whole, reaches pleasing to the eye effect. Other thick planks, corresponding connecting piece also can be less than the thickness setting of furniture panel, guarantee to hide totally.

The connecting piece uses secondary mosaic structure, and the inner structure that prevents is spliced for the first time breaks away from, and the concatenation makes the connecting piece inflation for the second time. During installation, direct external force can make the connecting piece expand in the plate, accomplishes the secondary concatenation, and the pulling force is effectual, and need not to use special instrument in the installation, and is simple high-efficient.

The inside compression spring that is provided with of connecting piece main part inflation cover for the guide arm has flexible function. The guide rod is matched with the embedded part for use. When the telescopic guide rod is installed, the connecting piece and the embedded part are knocked into the corresponding installation holes, the positioning connector on the telescopic guide rod is clamped into the embedded part and slides along the guide plate, and then the installation can be completed. When the laminated board is disassembled, upward force is applied below the laminated board provided with the connecting piece, and the guide rod can stretch and rebound under the action of the guide plate, so that the laminated board can be taken out without obstacle. The mounting and dismounting process has no damage to the connecting piece and the embedded piece, and the effect of repeated mounting and dismounting is achieved.

The embedded part is of a perfect circle structure, the processing equipment can be completed only by single-hole operation, and the processing cost is low. When considering between working of plastics and the plate body with threaded connection, can be because of its material is too soft and can't reach the pulling force requirement, the utility model discloses select to set up the structure line of falling the sawtooth in the built-in fitting outside and increase frictional force, consequently, this built-in fitting can also be for other materials such as plastics, further reduce cost for the metal material.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

FIG. 1 is a schematic view of a connector structure;

FIG. 2 is a schematic view of the expansion of the connector expanding outwardly;

FIG. 3 is a view of the structure of the expansion casing;

FIG. 4 is a detailed block diagram of the connector;

FIG. 5 is a schematic view of a structure of an embedded part;

FIG. 6 is a sectional view of an embedment;

FIG. 7 is a schematic view of a connection structure of a connecting member and an embedded member;

FIG. 8 is a schematic view of a connector installation;

FIG. 9 is a schematic view of the installation of a connecting member and an embedded member;

FIG. 10 is a schematic view of the connector installation;

FIG. 11 is a schematic view of the connector being disassembled;

FIG. 12 is a schematic view of a connector connecting a deck plate to a side plate;

100, a guide rod; 110. positioning the connector; 120. a clamping part; 130. a rear end portion; 131. a positioning part; 140. positioning a rod;

200. expanding the casing; 210. an inner bore; 220. a limiting ring; 230. a boss; 240. an expansion part; 250. inner ring sawteeth;

300. a telescopic structure;

400. a top block; 410. upper saw teeth; 420. a lower sawtooth;

510. an inverted sawtooth structure; 520. a guide plate;

530. a front panel; 531. positioning holes I and 532, positioning holes II and 533 and an accommodating cavity; 540. a recessed region.

Detailed Description

The present invention will be more clearly and completely described below by way of a preferred embodiment in conjunction with the accompanying drawings, which are not intended to limit the scope of the invention as described herein.

As shown in fig. 1-8, the furniture plate body fully-concealed connecting structure disclosed by the present invention comprises a connecting member and an embedded part matched with the connecting member, wherein the connecting member and the embedded part are respectively arranged in two furniture plate bodies; the connecting piece comprises an expansion sleeve 200, a guide rod 100, a telescopic structure 300 and a top block 400;

the expansion sleeve 200 is a hollow cylinder structure and is provided with an inner hole 210 extending along the axial direction, the guide rod 100, the telescopic structure 300 and the top block 400 are sequentially connected and arranged in the inner hole 210, one end of the guide rod 100 is limited in the expansion sleeve 200, and the other end of the guide rod is connected with a positioning connector 110 which is used for being matched and connected with an embedded part;

the expansion casing 200 is provided with an expansion part 240 at one end close to the top block, and the top block 400 includes a head connection section connected to the telescopic structure 300 and a tail connection section cooperatively connected to the expansion part 240, wherein the diameter of the tail connection section is gradually reduced from a distal end to a proximal end relative to the expansion part 240 to form an inverted cone structure, and when an axial pressure is applied to the tail connection section, the tail connection section moves in an axial direction and expands the expansion part 240 in a radial direction.

In order to facilitate putting the connecting piece into the plate body, be convenient for the equipment between the structure, the utility model discloses a be equipped with the sawtooth on the end connection section, the sawtooth is including being used for carrying on the last sawtooth 410 of kicking block 400 and the relative locking of inflation portion 240 before the installation to and keep the lower sawtooth 420 of the inflation portion 240 state of expanding after the plate body installation, lower sawtooth 420 is in the tapering region of end connection section, be equipped with the inner circle sawtooth 250 that is used for being connected with lower sawtooth 420 cooperation at the inner wall of inflation portion 240.

Because sawtooth complex structure can cause the installation resistance big, be unfavorable for the entering of kicking block 400, in a specific embodiment, the utility model discloses a sawtooth is along the direction slope that deviates from inflation portion 240, and the incline direction of inner circle sawtooth 250 is opposite with the incline direction of sawtooth, like this when kicking block 400 is adorned, because the incline direction of sawtooth is opposite with the direction of packing into, the resistance that causes is little, and when the kicking block is expanded inflation portion 240, lower sawtooth 420 is relative with the incline direction of inner circle sawtooth 250, block each other, strengthen the intensity and the reliability of installation back connecting piece structure.

In a specific embodiment, the utility model discloses a guide arm 100 is located the one end of expansion sleeve 200 and is rear end 130, is equipped with location portion 131 on rear end 130, and the diameter of location portion 131 is greater than the diameter of guide arm 100, forms T type structure, is equipped with the boss 230 with location portion 131 looks butt in the hole 210, through the flexible distance of boss 230 restriction extending structure 300, avoids the guide arm to throw off from expansion sleeve 200. The telescopic structure 300 is a compression spring, the positioning portion 131 is provided with a positioning rod 140 at one end close to the compression spring, the end portion of the compression spring is sleeved on the outer ring of the positioning rod 140, and the other end of the compression spring is connected with the head connecting section. The telescopic structure enables the connecting piece to have a certain telescopic function, has tolerance, can be completely hidden when the furniture board body is connected, achieves attractive effect, and simultaneously ensures the connection reliability.

In order to achieve the purpose of quick assembly and timely secondary disassembly and adjustment during installation errors or structural adjustment, the positioning connector 110 of the present invention comprises a large end for being fastened with an embedded part and a fastening portion 120 for being connected with the guide rod 100, wherein the large end adopts a hemispherical structure; the embedded part is internally provided with an accommodating cavity 533 used for accommodating the positioning connector 110, the front end of the accommodating cavity 533 is provided with a front panel 530 used for clamping the positioning connector 110, the front panel 530 is provided with a positioning hole, the positioning hole is formed by a positioning hole I531 and a positioning hole II532 in a penetrating manner, wherein the positioning hole I531 can be used for the end part of the positioning connector 110 to pass through, and the diameter of the positioning hole II532 is matched with the diameter of the clamping part 120; the expansion sleeve 200 is provided with a circle of limiting rings 220 at the end where the guide rod 100 is located, and the diameter of each limiting ring 220 is larger than that of the main body of the expansion sleeve 200, so that a limiting structure is formed; the embedded part front end panel 530 sinks towards the accommodating cavity to form a recessed area 540, and the recessed area wraps the limiting ring 220, so that a gap between the two panels after installation is avoided.

The utility model discloses an embedded part still sets up deflector 520 in one side of locating hole, deflector 520 is an angle sloping platform, and a side of keeping away from locating hole II532 by locating hole I531 inwards extends towards locating hole II 532's direction slope, leads when carrying out the equipment of furniture plate body. The guide plate 520 plays a role in guiding when the positioning connector 110 is clamped into the embedded part 500, and plays a role in helping the positioning connector 110 slide away from the accommodating cavity 533 when the positioning connector 110 is moved out of the embedded part, so that the installation and the disassembly are easy, and the installation and the disassembly can be carried out for a plurality of times. Meanwhile, the size of the positioning hole I531 is larger than that of the guide plate 520, so that the embedded part can be assisted to be aligned through a tool such as a straight screwdriver after being installed and inclined.

In the preferred technical scheme, the utility model discloses an outer wall of expansion sleeve 200 and built-in fitting all is equipped with the structure of falling the sawtooth 510 back of the body with the installation direction mutually.

Referring to fig. 7 to 11, the installation process of the connection structure of the present invention is as follows:

punching holes on the laminate A and the side plate B in advance;

knocking the embedded part into a mounting hole in the side plate B, placing the connecting piece into the laminate A, applying external force to knock the connecting piece into the mounting hole of the laminate A until the head limiting ring 220 of the expansion sleeve is tightly attached to the surface of the plate, and simultaneously expanding the expansion part 240 at the tail part of the expansion sleeve to tightly expand the wood plate by the top block 400;

the laminate A with the connecting piece is close to the side plate B, the positioning connector 110 is aligned to the positioning hole I531 of the embedded part, the laminate A moves downwards along the side plate B, the positioning connector 110 slides into the positioning hole II532 from the positioning hole I531 along the guide plate 520, the positioning connector 110 is clamped at the front end panel 530 of the accommodating cavity, and then the laminate A can be installed on the side plate B.

Referring to fig. 11, when a laminate a needs to be installed between two side plates B, first, connectors are installed in installation holes on two sides of the laminate a, the laminate B is placed horizontally, and simultaneously, a guide rod 100 of the connector is pressed into an inner hole 210 of an expansion sleeve to push the middle of the two side plates B to be aligned with the depth of an embedded part on the side plates B, the laminate a is moved downwards, and the guide rod 100 realizes a rebounding function under the action of a compression spring. The positioning connectors 110 are snapped into the embedment 500, so that the laminate a is installed and fixed between the two side plates B. When the laminate A needs to be disassembled, an upward force is applied below the laminate A, and the screw 100 can rebound under the action of the guide plate 520, so that the laminate A can be taken out without obstruction, and the disassembly and the assembly can be repeated for many times.

The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims

1. The utility model provides a furniture plate body is hidden connection structure entirely which characterized in that: the furniture comprises a connecting piece and an embedded part matched with the connecting piece, wherein the connecting piece and the embedded part are respectively arranged in two furniture plate bodies; the connecting piece comprises an expansion sleeve (200), a guide rod (100), a telescopic structure (300) and a top block (400);

the expansion sleeve (200) is of a hollow cylinder structure, and is provided with an inner hole (210) extending along the axial direction, the guide rod (100), the telescopic structure (300) and the top block (400) are sequentially connected and arranged in the inner hole (210), one end of the guide rod (100) is limited in the expansion sleeve (200), and the other end of the guide rod is connected with a positioning connector (110) which is used for being matched and connected with an embedded part;

the expansion sleeve (200) is provided with an expansion part (240) at one end close to the top block, the top block (400) comprises a head connecting section connected with the telescopic structure (300) and a tail connecting section matched and connected with the expansion part (240), the diameter of the tail connecting section is gradually reduced from the far end relative to the expansion part (240) to the near end to form an inverted cone-shaped structure, and when the expansion sleeve is subjected to axial pressure, the tail connecting section moves along the axial direction and expands the expansion part (240) along the radial direction.

2. The fully concealed connecting structure for furniture board bodies according to claim 1, wherein: the plate body is characterized in that sawteeth are arranged on the tail connecting section, the sawteeth comprise upper sawteeth (410) used for locking the top block (400) and the expansion part (240) before installation and lower sawteeth (420) used for keeping the expansion part (240) in an expansion state after installation of the plate body, the lower sawteeth (420) are located in a taper area of the tail connecting section, and inner ring sawteeth (250) used for being connected with the lower sawteeth (420) in a matched mode are arranged on the inner wall of the expansion part (240).

3. The fully concealed connecting structure for furniture board bodies according to claim 2, wherein: the sawteeth incline in a direction away from the expansion part (240), and the inclination direction of the inner ring sawteeth (250) is opposite to that of the sawteeth.

4. The fully concealed connecting structure for furniture board bodies according to claim 1, wherein: the end, located at the expansion sleeve (200), of the guide rod (100) is a rear end portion (130), a positioning portion (131) is arranged on the rear end portion (130), the diameter of the positioning portion (131) is larger than that of the guide rod (100), a T-shaped structure is formed, a boss (230) which is abutted to the positioning portion (131) is arranged in the inner hole (210), and the telescopic distance of the telescopic structure (300) is limited through the boss (230).

5. The fully concealed connecting structure for furniture board bodies according to claim 4, wherein: the telescopic structure (300) adopts a compression spring, the positioning part (131) is provided with a positioning rod (140) at one end close to the compression spring, the end part of the compression spring is sleeved on the outer ring of the positioning rod (140), and the other end of the compression spring is connected with the head connecting section.

6. The fully concealed connecting structure for furniture board bodies according to claim 1, wherein: the positioning connector (110) comprises a large end used for being clamped with an embedded part and a clamping part (120) used for being connected with the guide rod (100), and the large end is of a hemispherical structure.

7. The fully concealed connecting structure for furniture board bodies according to claim 6, wherein: the embedded part is internally provided with an accommodating cavity (533) for accommodating the positioning connector (110), the front end of the accommodating cavity (533) is provided with a front panel (530) for clamping the positioning connector (110), the front panel (530) is provided with a positioning hole, the positioning hole is formed by penetrating a positioning hole I (531) and a positioning hole II (532), wherein the positioning hole I (531) can be used for the end part of the positioning connector (110) to pass through, and the diameter of the positioning hole II (532) is adapted to the diameter of the clamping part (120).

8. The fully concealed connecting structure for furniture board according to claim 7, wherein: the guide plate (520) is arranged in the embedded part, the guide plate (520) is an angle sloping table, and the side edge of the positioning hole I (531) far away from the positioning hole II (532) extends inwards in a sloping mode towards the direction of the positioning hole II (532), so that the furniture plate body is guided when being assembled.

9. The fully concealed connecting structure for furniture board according to claim 7, wherein: the expansion sleeve (200) is provided with a circle of limiting ring (220) at the end where the guide rod (100) is located, and the diameter of the limiting ring (220) is larger than that of the expansion sleeve (200) main body to form a limiting structure; the embedded part front end panel (530) is sunken towards the direction of the accommodating cavity to form a sunken area (540) and wrap the limiting ring (220).

10. The fully concealed connecting structure for furniture board bodies according to claim 1, wherein: and the outer walls of the expansion sleeve (200) and the embedded part are both provided with inverted sawtooth structures (510) which are opposite to the mounting direction.