CN218780579U

CN218780579U - Three-in-one connecting piece for plate furniture

Info

Publication number: CN218780579U
Application number: CN202222787231.4U
Authority: CN
Inventors: 吴植彦
Original assignee: Zhaoqing Hwett Precision Hardware Co ltd
Current assignee: Zhaoqing Hwett Precision Hardware Co ltd
Priority date: 2022-10-23
Filing date: 2022-10-23
Publication date: 2023-03-31
Anticipated expiration: 2032-10-23

Abstract

The utility model discloses a trinity connecting piece of plate furniture, including expansion assembly, screw rod and eccentric wheel, the one end of screw rod is connected in expansion assembly, the other end is connected with the eccentric wheel, expansion assembly includes left inflation piece, right side inflation piece and inflation piece protective sheath, be provided with the thread groove on the inner wall of left inflation piece and right inflation piece, the upper portion of left inflation piece and right inflation piece is in the inflation piece protective sheath, the screw rod inserts and the assembly threaded connection with left inflation piece and right inflation piece from the one end of inflation piece protective sheath, be provided with the fixed position of a plurality of anti-drop on the lateral wall of inflation piece protective sheath, the fixed position butt of anti-drop is on the upper portion outer wall of left inflation piece and right inflation piece. The utility model discloses a structure sets up rationally, and it is provided with the fixed position of a plurality of anti-drop on the inflation piece protective sheath, can effectual solution inflation piece protective sheath and the not hard up and easy condition that drops of inflation piece, has guaranteed to use stationarity and reliability, and the suitability is strong and the practicality is good.

Description

Three-in-one connecting piece for plate furniture

Technical Field

The utility model belongs to the technical field of the furniture connecting piece, concretely relates to trinity connecting piece of panel furniture.

Background

The screw rod one end of trinity product on the existing market is the screw thread shape, and market plastics expand to establish M6 thread in for, and the thread top is smooth toper form, and when the screw rod head rotated to toper form position, plastics expansion spare head will expand and fix with plank solid moving hole. The neck of the expansion plastic part is 7MM big, the screw thread of the head of the screw rod is M6, so that the thickness of the single side of the neck of the expansion plastic part is only 0.5MM thick, when the screw rod rotates and the head of the expansion plastic part expands, the neck of the dry expansion plastic part is subjected to full bearing force when the head of the expansion plastic part expands, and the neck of the dry expansion plastic part is only 0.5MM thick, so that the phenomena of breakage and breakage are easy to occur. And the screw thread is matched with the interior of the expansion component, and one end of the expansion component can expand when the screw rod rotates, so that the expansion component can be fixed on the wood plate hole. The size of the clamping position between the plane of the wood board and the other end of the screw rod must be controlled, when another wood board is clamped, the end part of the screw rod is connected with the eccentric wheel, the clamping position at the end part of the screw rod is tightly tensioned by the guide rail in the eccentric wheel when the eccentric wheel is rotated, so that the two transverse wood boards and the longitudinal wood boards have the effect of tight connection, the clamping position at the end part of the screw rod and the eccentric wheel must be clamped at a designated position, when the screw rod is too long, the eccentric wheel can be jacked and cannot be clamped, and when the screw rod is too short, the clamping position at the end part of the screw rod cannot be buckled by the eccentric wheel, so that the screw rod cannot be fixed.

In order to solve the technical defects, the applicant previously applied a three-in-one connecting piece for plate-type furniture, which mainly comprises an expansion component, a screw rod and an eccentric wheel, wherein the expansion component mainly comprises a first connecting piece, a second connecting piece and an installation sleeve, and the first connecting piece and the second connecting piece are connected through the installation sleeve.

Disclosure of Invention

The utility model aims at providing a structure sets up rationally and is favorable to improving the trinity connecting piece of plate-type furniture of connecting the reliability.

Realize the technical scheme of the purpose of the utility model is a trinity connecting piece of panel furniture, including expansion assembly, screw rod and eccentric wheel, the one end of screw rod is connected in the expansion assembly, the other end is connected with the eccentric wheel, expansion assembly includes left expansion piece, right expansion piece and expansion piece protective sheath, be provided with on the inner wall of left side expansion piece and right expansion piece and can make up into complete internal screw thread groove, the upper portion of left side expansion piece and right expansion piece is in the expansion piece protective sheath, the screw rod insert and with the assembly threaded connection of left expansion piece and right expansion piece from the one end of expansion piece protective sheath, be provided with the fixed position of a plurality of anti-drop on the lateral wall of expansion piece protective sheath, and the fixed position of anti-drop is in on same ring, the fixed position butt of anti-drop is in on the upper portion outer wall of left side expansion piece and right expansion piece.

And the middle part of the screw rod is provided with a limit convex ring, and the screw rod is in threaded connection with the left expansion piece and the right expansion piece assembly and is limited by abutting the end surface of the expansion protective sleeve on the limit convex ring.

The lower parts of the left expansion piece and the right expansion piece are provided with external thread grooves, and the lower parts of the left expansion piece and the right expansion piece are provided with a plurality of expansion grooves with bottom ends open.

The tip integrated into one piece of screw rod has the joint position head of connecting, be provided with into groove and spacing groove on the eccentric wheel, the diameter that enters into the groove is greater than the diameter of connecting the joint position head, the diameter of spacing groove is less than the diameter of connecting the joint position head.

All be provided with slot and inserted sheet on left side inflation piece and the right side inflation piece, left side inflation piece and right side inflation piece are connected spacingly through slot and inserted sheet.

The eccentric wheel is provided with a metal cover.

The left expansion piece and the right expansion piece are both plastic structures.

The utility model discloses has positive effect: the utility model discloses a structure sets up rationally, and it is provided with the fixed position of a plurality of anti-drop on the inflation piece protective sheath to can effectual solution inflation piece protective sheath and the not hard up and easy condition that drops of inflation piece, guaranteed to use stationarity and reliability, the suitability is strong and the practicality is good.

Drawings

In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the following specific embodiments, taken in conjunction with the accompanying drawings, in which:

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

FIG. 2 is a schematic view of the split structure of the present invention;

FIG. 3 is a schematic view of the protective sleeve of the expanding member of the present invention;

fig. 4 is a schematic structural view of the eccentric wheel of the present invention;

fig. 5 is a schematic view of the structure of the left and right expansion members of the present invention.

Reference numerals: the expansion assembly comprises an expansion component 1, a left expansion part 1-1, a right expansion part 1-2, an expansion part protective sleeve 1-3, a thread groove 1-4, a screw rod 2, an eccentric wheel 3, an inlet groove 31, a limiting groove 32, an anti-falling fixing position 4, a limiting convex ring 5, an external thread groove 6, an expansion groove 7, a connecting clamping head 8, a slot 9, an insertion sheet 10 and a metal cover 11.

Detailed Description

(example 1)

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. In the present embodiment, directional words such as left and right are for convenience of description only and are not intended to be limiting.

As shown in the figures 1 to 5, the three-in-one connecting piece for the plate-type furniture comprises an expansion component 1, a screw rod 2 and an eccentric wheel 3, wherein one end of the screw rod 2 is connected into the expansion component 1, the other end of the screw rod is connected with the eccentric wheel 3, the expansion component 1 comprises a left expansion piece 1-1, a right expansion piece 1-2 and an expansion piece protective sleeve 1-3, thread grooves 1-4 capable of being combined into a complete internal thread are formed in the inner walls of the left expansion piece 1-1 and the right expansion piece 1-2, and in the embodiment, the left expansion piece 1-1 and the right expansion piece 1-2 are plastic structural bodies.

Simultaneously the tip integrated into one piece of screw rod 2 has the connection screens head 8, be provided with entering groove 31 and spacing groove 32 on the eccentric wheel 3, the diameter of entering groove 31 is greater than the diameter of connecting the screens head, the diameter of spacing groove 32 is less than the diameter of connecting the screens head. In order to facilitate the use of the screw rod 2, the diameter of the connecting clamping head 8 is larger than that of the screw rod 2, and the connecting clamping head is provided with a cross-shaped screw hole, a straight-line-shaped screw hole, a star-shaped screw hole and the like, so that the screw rod 2 and the expansion component 1 can be in threaded connection by using tools, and the convenience and the stability of threaded connection are improved.

The upper portions of the left expansion piece 1-1 and the right expansion piece 1-2 are located in the expansion piece protective sleeve 1-3, the screw rod 2 is inserted from one end of the expansion piece protective sleeve 1-3 and is in threaded connection with a combination of the left expansion piece 1-1 and the right expansion piece 1-2, a plurality of anti-falling fixing positions 4 are arranged on the side wall of the expansion piece protective sleeve 1-3, the anti-falling fixing positions 4 are located on the same circular ring, and the anti-falling fixing positions 4 are abutted to the outer walls of the upper portions of the left expansion piece 1-1 and the right expansion piece 1-2. In the embodiment, the side wall of the expansion piece protective sleeve 1-3 is provided with the anti-falling fixing position, so that when the expansion piece protective sleeve is used, when the screw rod 2 is in threaded connection with the left expansion piece 1-1 and the right expansion piece 1-2, the screw rod and the left expansion piece 1-1 can be extruded outwards and are blocked on the anti-falling fixing position, the expansion piece protection 1-3 can be effectively prevented from loosening or falling off, the technical problem that the left expansion piece 1-1 and the right expansion piece 1-2 are split and exploded is solved, and the use stability and the use reliability are improved.

The middle part of the screw rod 2 is provided with a limit convex ring 5, and the screw rod 2 is in threaded connection with the left expansion piece 1-1 and the right expansion piece 1-2 combined piece and is abutted against the limit convex ring 5 through the end surface of the expansion protective sleeve for limiting. And its limit bulge loop 5 is mainly used for limiting when connecting, prevent the screw rod 2 from connecting excessively, and its limit bulge loop 5 diameter is greater than the diameter of screw rod 2, and its external diameter is less than or equal to the external diameter of expansion piece protective sheath 1-3, is favorable to improving and uses the aesthetic property. In addition, in the practical application process, the diameters of the eccentric wheel 3 and the expansion piece protective sleeve 1-3 are set to be 10mm, so that the problem that a drilling tool needs to be replaced when the three-in-one connection drilling is carried out on the wood board is solved, the processing efficiency is improved, and meanwhile, the problem that the drilling setting is deviated due to the replacement of a drilling tool can be solved.

The lower parts of the left expansion piece 1-1 and the right expansion piece 1-2 are both provided with external thread grooves 6, and the lower parts of the left expansion piece 1-1 and the right expansion piece 1-2 are provided with a plurality of expansion grooves 7 with bottom ends opened. In the practical application process, it is provided with the inflation groove to can guarantee the stationarity when installing, prevent to drop, it is twisted into at screw rod 2, can expand the groove and strut, and make the firm buckle of outer wall fix a position fixedly on the inner wall of installation position.

The left expansion piece 1-1 and the right expansion piece 1-2 are respectively provided with a slot 9 and an insertion sheet 10, and the left expansion piece 1-1 and the right expansion piece 1-2 are connected with the insertion sheet through the slots and limited. In this embodiment, it can be ensured by both that the positions of the left and right expansion members 1-1 and 1-2 are relatively stable and are not easily loosened or displaced from each other.

The eccentric wheel 3 is provided with a metal cover 11. Can lead to eccentric wheel 3 to cover and close, can protect eccentric wheel 3, guarantee to use stationarity and reliability to in the practical application process, can increase one deck metal protection layer on eccentric wheel 3's surface, be favorable to solving the easy brittle and fracture of product and the problem that the cabinet body plank separates or drops, improve life.

The utility model discloses a structure sets up rationally, and it is provided with the fixed position of a plurality of anti-drop on the inflation piece protective sheath to can effectual solution inflation piece protective sheath and the not hard up and easy condition that drops of inflation piece, guaranteed to use stationarity and reliability, the suitability is strong and the practicality is good.

The standard parts used in the present embodiment may be purchased directly from the market, and the non-standard structural parts described in the specification may be obtained by processing directly according to the general knowledge of the prior art without any doubt, and the connection manner of the respective parts adopts the conventional means matured in the prior art, and the machines, parts and equipment are all of the types conventional in the prior art, so that detailed description thereof is omitted here.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications which fall within the spirit of the invention are intended to be protected by the present invention.

Claims

1. The utility model provides a trinity connecting piece of panel furniture, includes expansion assembly (1), screw rod (2) and eccentric wheel (3) the one end of screw rod (2) is connected in expansion assembly (1), the other end is connected its characterized in that with eccentric wheel (3): expansion assembly (1) is including left inflation piece (1-1), right inflation piece (1-2) and inflation piece protective sheath (1-3), be provided with on the inner wall of left side inflation piece (1-1) and right inflation piece (1-2) and make up into complete internal thread groove (1-4), the upper portion of left side inflation piece (1-1) and right inflation piece (1-2) is in inflation piece protective sheath (1-3), screw rod (2) insert and with the combination threaded connection of left inflation piece (1-1) and right inflation piece (1-2) from the one end of inflation piece protective sheath (1-3), be provided with a plurality of anti-drop fixed position (4) on the lateral wall of inflation piece protective sheath (1-3), and anti-drop fixed position (4) are in on same ring, anti-drop fixed position (4) butt is in on the upper portion outer wall of left side inflation piece (1-1) and right inflation piece (1-2).

2. The three-in-one connector for panel furniture according to claim 1, wherein: the middle part of the screw rod (2) is provided with a limiting convex ring (5), and the screw rod (2) is in threaded connection with the left expansion piece (1-1) and the right expansion piece (1-2) combined piece and is limited by abutting the end surface of the expansion protective sleeve against the limiting convex ring (5).

3. The three-in-one connector for panel furniture according to claim 2, wherein: the lower parts of the left expansion piece (1-1) and the right expansion piece (1-2) are respectively provided with an external thread groove (6), and the lower parts of the left expansion piece (1-1) and the right expansion piece (1-2) are provided with a plurality of expansion grooves (7) with bottom ends open.

4. The three-in-one connector for panel furniture according to claim 3, wherein: the tip integrated into one piece of screw rod (2) has connection screens head (8), be provided with entering groove (31) and spacing groove (32) on eccentric wheel (3), the diameter of entering groove (31) is greater than the diameter of connecting the screens head, the diameter of spacing groove (32) is less than the diameter of connecting the screens head.

5. The three-in-one connector for panel furniture according to claim 4, wherein: all be provided with slot (9) and inserted sheet (10) on left side inflation piece (1-1) and right side inflation piece (1-2), left side inflation piece (1-1) and right side inflation piece (1-2) are connected spacingly through slot and inserted sheet.

6. The three-in-one connector for panel furniture according to claim 5, wherein: the eccentric wheel (3) is provided with a metal cover (11).

7. The three-in-one connector for plate furniture according to claim 1, wherein: the left expansion piece (1-1) and the right expansion piece (1-2) are both plastic structures.