CN115638164A - Three-in-one connecting piece for plate furniture - Google Patents
Three-in-one connecting piece for plate furniture Download PDFInfo
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- CN115638164A CN115638164A CN202211298455.7A CN202211298455A CN115638164A CN 115638164 A CN115638164 A CN 115638164A CN 202211298455 A CN202211298455 A CN 202211298455A CN 115638164 A CN115638164 A CN 115638164A
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- expansion
- expansion piece
- screw rod
- inflation
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Abstract
The invention discloses a three-in-one connecting piece for plate-type furniture, which comprises an expansion component, a screw rod and an eccentric wheel, wherein one end of the screw rod is connected in the expansion component, the other end of the screw rod is connected with the eccentric wheel, the expansion component comprises a left expansion piece, a right expansion piece and an expansion piece protective sleeve, thread grooves are formed in the inner walls of the left expansion piece and the right expansion piece, the upper parts of the left expansion piece and the right expansion piece are positioned in the expansion piece protective sleeve, the screw rod is inserted from one end of the expansion piece protective sleeve and is in threaded connection with a combined body of the left expansion piece and the right expansion piece, a plurality of anti-falling fixing positions are arranged on the side wall of the expansion piece protective sleeve, and the anti-falling fixing positions are abutted against the outer walls of the upper parts of the left expansion piece and the right expansion piece. The expansion piece protective sleeve is reasonable in structure arrangement, the expansion piece protective sleeve is provided with the plurality of anti-falling fixing positions, the problems that the expansion piece protective sleeve and the expansion piece are loosened and easily fall off can be effectively solved, the use stability and reliability are guaranteed, and the expansion piece protective sleeve is high in applicability and good in practicability.
Description
Technical Field
The invention belongs to the technical field of furniture connecting pieces, and particularly relates to a three-in-one connecting piece for plate-type 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 invention aims to provide a three-in-one connecting piece for plate-type furniture, which is reasonable in structural arrangement and is favorable for improving the connection reliability.
The technical scheme for realizing the purpose of the invention is that the three-in-one connecting piece for the plate-type furniture comprises an expansion component, a screw rod and an eccentric wheel, wherein one end of the screw rod is connected in the expansion component, the other end of the screw rod is connected with the eccentric wheel, the expansion component comprises a left expansion piece, a right expansion piece and an expansion piece protective sleeve, threaded grooves capable of being combined into a complete internal thread are formed in the inner walls of the left expansion piece and the right expansion piece, the upper parts of the left expansion piece and the right expansion piece are positioned in the expansion piece protective sleeve, the screw rod is inserted into one end of the expansion piece protective sleeve and is in threaded connection with a combined body of the left expansion piece and the right expansion piece, a plurality of anti-falling fixing positions are arranged on the side wall of the expansion piece protective sleeve, the anti-falling fixing positions are positioned on the same circular ring, and the anti-falling fixing positions are abutted to the outer walls of the upper parts of the left expansion piece and the right expansion piece.
The middle part of the screw rod is provided with a limiting convex ring, and the screw rod is in threaded connection with the left expansion piece and the right expansion piece assembly and is limited on the limiting convex ring through the abutting of the end surface of the expansion protective sleeve.
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 connection screens head, be provided with entering groove and spacing groove on the eccentric wheel, the diameter of entering groove is greater than the diameter of connecting the screens head, the diameter of spacing groove is less than the diameter of connecting the screens 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 invention has the positive effects that: the anti-falling expansion piece protective sleeve is reasonable in structure arrangement, and the plurality of anti-falling fixing positions are arranged on the expansion piece protective sleeve, so that the problems that the expansion piece protective sleeve and the expansion piece are loosened and easily fall off can be effectively solved, the use stability and reliability are guaranteed, and the anti-falling expansion piece protective sleeve is high in applicability and good in practicability.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic view of the structure 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 sheath of the inflatable member of the present invention;
FIG. 4 is a schematic structural view of an eccentric wheel according to the present invention;
fig. 5 is a schematic view showing a detailed structure of the left and right swelling members in the present invention.
Reference numerals are as follows: 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 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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, 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.
See fig. 1 to 5, a trinity connecting piece of panel furniture, including expansion block 1, screw rod 2 and eccentric wheel 3, the one end of screw rod 2 is connected in expansion block 1, and the other end is connected with eccentric wheel 3, expansion block 1 includes left expansion piece 1-1, right expansion piece 1-2 and expansion piece protective sheath 1-3, be provided with on the inner wall of left side expansion piece 1-1 and right expansion piece 1-2 and make up into complete internal screw thread groove 1-4, in this embodiment, left side expansion piece 1-1 and right expansion piece 1-2 are the plastic construction body.
Simultaneously the tip integrated into one piece of screw rod 2 has the connection position 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 position head, the diameter of spacing groove 32 is less than the diameter of connecting the position 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-drop fixing position, so that 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 and the right expansion piece 1-2 can be extruded outwards and blocked on the anti-drop fixing position, the expansion piece protection 1-3 can be effectively prevented from loosening or dropping, 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 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 in-process, it is provided with the expansion tank to stationarity when can guaranteeing the installation prevents to drop, and it is twisted in at screw rod 2, and the expansion tank struts, and makes the firm buckle of outer wall fix a position fixedly on the inner wall of installation position.
The left expansion part 1-1 and the right expansion part 1-2 are respectively provided with a slot 9 and an insertion sheet 10, and the left expansion part 1-1 and the right expansion part 1-2 are connected and limited through the slots and the insertion sheets. 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 the eccentric wheel, 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 expansion piece protective sleeve is reasonable in structure arrangement, and the expansion piece protective sleeve is provided with the plurality of anti-falling fixing positions, so that the problems that the expansion piece protective sleeve and the expansion piece are loosened and easily fall off can be effectively solved, the use stability and reliability are guaranteed, and the expansion piece protective sleeve is high in applicability and good in practicability.
The standard parts used in the present embodiment can be purchased directly from the market, and the non-standard structural parts described in the specification can also be obtained directly by processing according to the common general knowledge of the prior art without any doubt, and the connection mode of the parts adopts the conventional means matured in the prior art, and the machines, parts and equipment adopt the conventional models in the prior art, so that the detailed description is not given here.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit 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. This need not be, nor should it be exhaustive of all embodiments. And such obvious changes and modifications which fall within the spirit of the invention are deemed to be covered by the present invention.
Claims (7)
1. The utility model provides a trinity connecting piece of plate furniture, includes expansion block (1), screw rod (2) and eccentric wheel (3) the one end of screw rod (2) is connected in expansion block (1), the other end is connected with eccentric wheel (3), its characterized in that: expansion subassembly (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 screw 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 from the one end of inflation piece protective sheath (1-3) and with the combination threaded connection of left side inflation piece (1-1) and right inflation piece (1-2), 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 on the limiting convex ring (5) through the abutting connection of the end face of the expansion protective sleeve.
3. The three-in-one connector for plate 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 into 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: the left expansion piece (1-1) and the right expansion piece (1-2) are 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 slot and limited.
6. The three-in-one connector for plate furniture according to claim 5, wherein: the eccentric wheel (3) is provided with a metal cover (11).
7. The three-in-one connector for panel furniture according to claim 1, wherein: the left expansion piece (1-1) and the right expansion piece (1-2) are both plastic structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211298455.7A CN115638164A (en) | 2022-10-23 | 2022-10-23 | Three-in-one connecting piece for plate furniture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211298455.7A CN115638164A (en) | 2022-10-23 | 2022-10-23 | Three-in-one connecting piece for plate furniture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115638164A true CN115638164A (en) | 2023-01-24 |
Family
ID=84944074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211298455.7A Pending CN115638164A (en) | 2022-10-23 | 2022-10-23 | Three-in-one connecting piece for plate furniture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115638164A (en) |
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2022
- 2022-10-23 CN CN202211298455.7A patent/CN115638164A/en active Pending
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