CN217327993U

CN217327993U - Hidden furniture board locking connecting piece

Info

Publication number: CN217327993U
Application number: CN202220797603.9U
Authority: CN
Inventors: 林彬
Original assignee: Guangxi Fulaiya Household Products Co ltd
Current assignee: Guangxi Fulaiya Household Products Co ltd
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2022-08-30
Anticipated expiration: 2032-04-07

Abstract

The utility model discloses a technical field's a hidden furniture board locking connection spare is made to furniture, include: the expansion mechanism comprises a connecting block, the second fixing mechanism is installed in a round hole of one plate, the expansion mechanism is inserted into an inner cavity of the second fixing mechanism until an expansion end of the second fixing mechanism is located, the first fixing mechanism is installed in a round hole of the other plate, the threaded connecting column is screwed into an inner cavity of the first expansion piece through the first internal thread groove to expand the first expansion piece, the expansion end of the second fixing mechanism is expanded through the first expansion piece, the second fixing mechanism is fixed in a cell hole of the plate, the plate provided with the first fixing mechanism is inserted into an outer side wall of the connecting shaft from the expansion piece, and the second expansion piece is expanded through the expansion piece to be clamped on the inner cavity side wall of the round hole, so that the two plates are fixed together.

Description

Hidden furniture board locking connecting piece

Technical Field

The utility model relates to a furniture manufacturing technology field specifically is a hidden furniture board locking connection spare.

Background

The furniture is made of wood, metal, plastic, bamboo, rattan and other materials, has the functions of sitting and lying, leaning, storage, spacing and the like, and can be used for manufacturing various furniture in any places such as houses, hotels, offices, schools, restaurants, hospitals, theaters, parks, ships, airplanes, motor vehicles and the like.

Present furniture is at the manufacturing in-process, need splice two and more than two plates, make up into the furniture of needs, need set up the screw hole on the plate at plate concatenation in-process, use through the cooperation of screw hole and screw and splice the plate, because the screw hole produces deformation easily in long-time use, thereby appear the clearance in the connection between screw and the screw hole, thereby influence the joint strength between the plate, thereby influence furniture production quality.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hidden furniture board locking connection spare to solve and to provide among the above-mentioned background art because the screw hole produces deformation easily in long-time use, thereby the clearance appears in being connected between screw and the screw hole, thereby influences the joint strength between the plate, thereby influences the problem of furniture production quality.

In order to achieve the above object, the utility model provides a following technical scheme: a concealed furniture panel locking connection comprising:

the expansion mechanism comprises a connecting block, a first expansion piece arranged at the bottom edge of the connecting block and a first internal thread groove arranged in an inner cavity of the connecting block, and the first internal thread groove penetrates through the bottom of the connecting block;

the connecting piece comprises a connecting shaft, a threaded connecting column coaxially arranged at the bottom of the connecting shaft and an expansion piece coaxially arranged at the top of the connecting shaft, and the threaded connecting column is connected in a threaded manner with an inner cavity of the connecting block and inserted into an inner cavity of the first expansion piece to expand the first expansion piece;

the first fixing mechanism comprises a sleeve component, the sleeve component is sleeved on the outer side wall of the connecting shaft and is in contact with the outer side wall of the expansion piece, the sleeve component comprises a sleeve and a second expansion piece arranged at the edge of the top of the sleeve, the sleeve is sleeved on the outer side wall of the connecting shaft, and the inner side surface of the second expansion piece is in contact with the outer side wall of the expansion piece;

and the second fixing mechanism is sleeved on the outer side wall of the expansion mechanism.

Preferably, the first expansion piece includes a first expansion piece body and a fixing member provided on a circumferential outer side wall of the first expansion piece body.

Preferably, the connecting piece is still including setting up the connecting axle with the locating part of threaded connection post junction, the bottom of locating part with the top of connecting block contacts, the top of locating part with telescopic bottom contacts.

Preferably, the sleeve comprises a sleeve body and a second internal thread groove arranged in the inner cavity of the sleeve body.

Preferably, the first fixing mechanism further comprises a first anti-slip mechanism coaxially installed in the inner cavity of the sleeve, the first anti-slip mechanism comprises a first anti-slip piece and an external thread groove formed in the outer circumferential side wall of the first anti-slip piece, and the first anti-slip piece is installed in the inner cavity of the sleeve body through threaded connection.

Preferably, a second anti-skid mechanism is sleeved on the outer side wall of the connecting shaft and matched with the first anti-skid mechanism, and the connecting shaft is matched with the first anti-skid mechanism through the second anti-skid mechanism and the first anti-skid mechanism and is arranged in the inner cavity of the sleeve.

Compared with the prior art, the beneficial effects of the utility model are that: the hidden furniture board locking connecting piece is characterized in that a second fixing mechanism is installed in a round hole of one board, an expansion mechanism is inserted into an inner cavity of the second fixing mechanism until an expansion end of the second fixing mechanism is located, a first fixing mechanism is installed in a round hole of the other board, a threaded connecting column is screwed into an inner cavity of a first expansion piece through a first internal thread groove to expand the first expansion piece, the expansion end of the second fixing mechanism is expanded through the first expansion piece, the second fixing mechanism is fixed in the round hole of the board, the board provided with the first fixing mechanism is inserted into an outer side wall of a connecting shaft from the expansion piece, the second expansion piece is expanded through the expansion piece, the clamp is connected to the inner cavity side wall of the round hole, and the two boards are fixed together.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the expansion mechanism of the present invention;

FIG. 3 is a schematic view of the structure of the connecting member of the present invention;

fig. 4 is a schematic structural view of the first fixing mechanism of the present invention;

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

fig. 6 is a schematic structural view of a first anti-skid mechanism of the present invention;

in the figure: 100 expansion mechanisms, 110 connecting blocks, 120 first expansion pieces, 121 first expansion piece bodies, 122 fixing pieces, 130 first internal thread grooves, 200 connecting pieces, 210 connecting shafts, 220 limiting pieces, 230 threaded connecting columns, 240 expansion pieces, 300 first fixing mechanisms, 310 sleeve assemblies, 311 sleeves, 311a sleeve bodies, 311b second internal thread grooves, 312 second expansion pieces, 320 first anti-skidding mechanisms, 321 first anti-skidding pieces, 322 external thread grooves, 400 second anti-skidding mechanisms and 500 second fixing mechanisms.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a hidden furniture board locking connection spare need not set up the screw hole, can effectually avoid causing connection structure insecure because the screw hole warp to influence furniture quality's problem, please refer to figure 1, include: the expansion mechanism 100, the connecting member 200, the first fixing mechanism 300, and the second antiskid mechanism 400;

referring to fig. 1-2, the expansion mechanism 100 includes a connection block 110, a first expansion member 120 disposed at a bottom edge of the connection block 110, and a first internal thread groove 130 formed in an inner cavity of the connection block 110, the first internal thread groove 130 penetrates through a bottom of the connection block 110, the first expansion member 120 includes a first expansion member body 121 and a fixing member 122 disposed on a circumferential outer side wall of the first expansion member body 121, the inner cavity of the first expansion member body 121 is a conical surface, and a side of the connection block 110 away from the first expansion member 120 is flush with an outer side surface of the plate;

referring to fig. 1-3, the connection member 200 includes a connection shaft 210, a threaded connection post 230 coaxially disposed at the bottom of the connection shaft 210, and an expansion member 240 coaxially disposed at the top of the connection shaft 210, the threaded connection post 230 is installed in an inner cavity of the connection block 110 by threaded connection and is inserted into an inner cavity of the first expansion member 120 to expand the first expansion member 120, the connection member 200 further includes a limiting member 220 disposed at a connection position of the connection shaft 210 and the threaded connection post 230, the bottom of the limiting member 220 contacts with the top of the connection block 110, the top of the limiting member 220 contacts with the bottom of the sleeve 311, the limiting member 220 and the threaded connection post 230 are integrally processed, the connection shaft 210 and the limiting member 220 are integrally processed, and the expansion member 240 and the connection shaft 210 are integrally processed;

referring to fig. 1-6, the first fixing mechanism 300 includes a sleeve assembly 310, the sleeve assembly 310 is sleeved on the outer sidewall of the connecting shaft 210 and contacts with the outer sidewall of the expansion element 240, the sleeve assembly 310 includes a sleeve 311 and a second expansion element 312 disposed at the top edge of the sleeve 311, the sleeve 311 is sleeved on the outer sidewall of the connecting shaft 210, the inner sidewall of the second expansion element 312 contacts with the outer sidewall of the expansion element 240, the sleeve 311 includes a sleeve body 311a and a second inner threaded groove 311b opened in the inner cavity of the sleeve body 311a, the first fixing mechanism 300 further includes a first anti-slip mechanism 320 coaxially installed in the inner cavity of the sleeve 311, the first anti-slip mechanism 320 includes a first anti-slip element 321 and an outer threaded groove 322 opened on the circumferential outer sidewall of the first anti-slip element 321, the first anti-slip element 321 is installed in the inner cavity of the sleeve body 311a through a threaded connection, in particular use, the sleeve component 310 is embedded in a round hole in another plate, the second expansion piece 312 faces the inner side of the round hole, the expansion piece 240 is inserted into the inner cavity of the sleeve 311 and moves to the second expansion piece 312 along the axial direction of the sleeve 311, the second expansion piece 312 is expanded through the expansion piece 240, so that the second expansion piece 312 is clamped in the inner cavity of the round hole, the bent angle of the second expansion piece 312 is embedded in the inner cavity of the round hole, the two plates are fixed together through the matching use of the expansion mechanism 100, the connecting piece 200 and the first fixing mechanism 300, a screw hole does not need to be formed, and the problem that the connecting structure is not firm due to the deformation of the screw hole, so that the quality of furniture is influenced can be effectively solved;

referring to fig. 1-6 again, the outer side wall of the connecting shaft 210 is sleeved with the second anti-slip mechanism 400, the second anti-slip mechanism 400 is matched with the first anti-slip mechanism 320, the connecting shaft 210 is mounted in the inner cavity of the sleeve 311 through the cooperation of the second anti-slip mechanism 400 and the first anti-slip mechanism 320, the connecting shaft 210 and the second anti-slip mechanism 400 are in interference fit, the second anti-slip mechanism 400 and the first anti-slip member 321 are plastic members, the circumferential outer side surface of the second anti-slip mechanism 400 and the inner side surface of the first anti-slip member 321 are rough surfaces, the circumferential outer side surface of the second anti-slip mechanism 400 contacts with the inner side surface of the first anti-slip member 321, the friction force between the second anti-slip mechanism 400 and the first anti-slip member 321 is improved, and the connecting structure between the connecting shaft 210 and the sleeve assembly 310 is improved;

referring to fig. 1 to 3 again, the second fixing mechanism 500 is sleeved on the outer sidewall of the expansion mechanism 100, the second fixing mechanism 500 is embedded and installed on the installation surface of the plate, the expansion mechanism 100 is disposed in the inner cavity of the second fixing mechanism 500, through the interference fit between the expansion mechanism 100 and the second fixing mechanism 500, the first expansion piece body 121 is expanded through the threaded connection column 230, so that the first expansion piece body 121 expands the expansion end of the second fixing mechanism 500, the expansion end of the second fixing mechanism 500 is clamped to the inner cavity of the plate, and the expansion mechanism 100 is fixed on the plate through the second fixing mechanism 500.

In specific use, holes are formed in the plates, the second fixing mechanism 500 is arranged in the round hole of one plate, the expansion mechanism 100 is inserted into the inner cavity of the second fixing mechanism 500 to the expansion end of the second fixing mechanism 500, the first fixing mechanism 300 is arranged in the round hole of the other plate, the threaded connecting column 230 is screwed into the inner cavity of the first expansion piece 120 through the first internal thread groove 130 to expand the first expansion piece 120, the expansion end of the second fixing mechanism 500 is expanded by the first expansion member 120, so that the second fixing mechanism 500 is fixed in the element hole of the plate, and the plate mounted with the first fixing mechanism 300 is inserted onto the outer side wall of the connecting shaft 210 from the expansion member 240, the second expansion member 312 is expanded by the expansion member 240 so that the second expansion member 312 is snapped onto the side wall of the bore of the circular hole, thereby securing the two sheets together.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a hidden furniture board locking connecting piece which characterized in that: the method comprises the following steps:

the expansion mechanism (100) comprises a connecting block (110), a first expansion piece (120) arranged at the bottom edge of the connecting block (110) and a first internal thread groove (130) formed in the inner cavity of the connecting block (110), wherein the first internal thread groove (130) penetrates through the bottom of the connecting block (110);

the connecting piece (200) comprises a connecting shaft (210), a threaded connecting column (230) coaxially arranged at the bottom of the connecting shaft (210) and an expansion piece (240) coaxially arranged at the top of the connecting shaft (210), wherein the threaded connecting column (230) is installed in an inner cavity of the connecting block (110) through threaded connection and is inserted into an inner cavity of the first expansion piece (120) to expand the first expansion piece (120);

the first fixing mechanism (300), the first fixing mechanism (300) comprises a sleeve assembly (310), the sleeve assembly (310) is sleeved on the outer side wall of the connecting shaft (210) and is in contact with the outer side wall of the expansion piece (240), the sleeve assembly (310) comprises a sleeve (311) and a second expansion piece (312) arranged at the top edge of the sleeve (311), the sleeve (311) is sleeved on the outer side wall of the connecting shaft (210), and the inner side surface of the second expansion piece (312) is in contact with the outer side wall of the expansion piece (240);

the second fixing mechanism (500), the second fixing mechanism (500) is sleeved on the outer side wall of the expansion mechanism (100).

2. The concealed furniture panel locking connection of claim 1, wherein: the first expansion piece (120) includes a first expansion piece body (121) and a fixing piece (122) provided on a circumferential outer side wall of the first expansion piece body (121).

3. The concealed furniture panel locking connection of claim 2, wherein: the connecting piece (200) further comprises a limiting piece (220) arranged at the joint of the connecting shaft (210) and the threaded connecting column (230), the bottom of the limiting piece (220) is in contact with the top of the connecting block (110), and the top of the limiting piece (220) is in contact with the bottom of the sleeve (311).

4. The concealed furniture board locking connection of claim 3, wherein: the sleeve (311) comprises a sleeve body (311a) and a second inner thread groove (311b) arranged in the inner cavity of the sleeve body (311 a).

5. The concealed furniture panel locking connection of claim 4, wherein: the first fixing mechanism (300) further comprises a first anti-slip mechanism (320) coaxially installed in the inner cavity of the sleeve (311), the first anti-slip mechanism (320) comprises a first anti-slip piece (321) and an outer thread groove (322) formed in the outer side wall of the circumference of the first anti-slip piece (321), and the first anti-slip piece (321) is installed in the inner cavity of the sleeve body (311a) through threaded connection.

6. The concealed furniture panel locking connection of claim 5, wherein: the outer side wall of the connecting shaft (210) is sleeved with a second anti-skid mechanism (400), the second anti-skid mechanism (400) is matched with the first anti-skid mechanism (320), and the connecting shaft (210) is installed in the inner cavity of the sleeve (311) through the matching of the second anti-skid mechanism (400) and the first anti-skid mechanism (320).