CN218480012U - Assembly structure of trinity connecting piece and table - Google Patents
Assembly structure of trinity connecting piece and table Download PDFInfo
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- CN218480012U CN218480012U CN202222216448.XU CN202222216448U CN218480012U CN 218480012 U CN218480012 U CN 218480012U CN 202222216448 U CN202222216448 U CN 202222216448U CN 218480012 U CN218480012 U CN 218480012U
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- eccentric wheel
- annular sleeve
- wheel fastener
- assembly structure
- groove
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Abstract
The utility model discloses an assembly structure of a three-in-one connecting piece and a table plate, which comprises two table plate units spliced together; the two table plate units are connected by adopting a three-in-one connecting piece, the three-in-one connecting piece comprises a connecting rod which is simultaneously inserted into the two table plate units and an eccentric wheel fastener which is arranged on at least one of the table plate units, and the eccentric wheel fastener is configured to be tightly matched with the connecting rod; an embedded groove for accommodating the eccentric wheel fastener is arranged on the end surface of the table plate unit; the cross section of the eccentric wheel fastener is circular, the caulking groove is correspondingly set to be a circular groove, and the diameter of the caulking groove is larger than that of the eccentric wheel fastener; a hard annular sleeve is embedded in the embedded groove, and the eccentric wheel fastener is embedded in the annular sleeve and can rotate in the inner circumference of the sleeve. So that the eccentric wheel fastener is in contact fit with the annular sleeve; then, when the eccentric wheel fastener is screwed, the eccentric wheel fastener cannot be contacted with the inner core of the table board unit; so that the stress is uniform and the eccentric wheel fastener cannot be inclined.
Description
Technical Field
The utility model relates to a table utensil connection field, in particular to assembly structure of trinity connecting piece and table.
Background
The table is one of the indispensable furniture in the current household life, is divided into a dining table, an office table, a tea table, a desk and the like, and is of a fixed structure as a whole; with the trend of commercialization under power-off, products sold on line need to be sent to customers through logistics, so that for tables needing long-distance transportation, the whole tables occupy a large transportation space, the packaging volume is large, and the tables are not easy to place and inconvenient to transport during transportation; the transportation cost of the product will then increase; the table tool which is convenient to package and transport and reduces the packaging and transporting cost can bring higher benefits for companies and manufacturers. For the table, the part occupying the most packaging volume is the table plate, and the single table plate is thick and heavy, is not easy to package and transport and is not beneficial to allocating and transporting occupied space, so that the table plate is divided into a plurality of small table plates by a plurality of tables on the market at present, and the small table plates are spliced to form the table top, thereby solving the problems; in addition, the splicing structure between the small table boards after the table board is divided can adopt various modes.
And common three-in-one connecting pieces are adopted to assemble the two table plates. A three-in-one connector as disclosed in patent No. cn202021818402. X; the method comprises the following steps: one end of the connecting rod is provided with an external thread and is in threaded connection with one of the wood boards, and the other end of the connecting rod is provided with a locking groove; the nut is pre-embedded in the other wood board, wherein a through groove which is in nested fit with the connecting rod and a threaded hole which is perpendicular to the through groove are formed in the nut; and the locking nut is in threaded fit with the threaded hole and is abutted against the clamping fit with the locking groove. The utility model provides a pair of trinity connecting piece through the nested cooperation between connecting rod and the nut, and the screw-thread fit between lock nut and the nut and support between lock nut and the connecting rod and lean on the joint to improve the locking effect between the three, reduce the piece distance between two adjacent planks, and then improve the fastness and the bearing capacity of connecting between two adjacent planks. The mode that adopts trinity connecting piece to splice two planks together is a comparatively common application structure among the current prior art.
However, the general table structure is roughly composed of: the middle core material and the hard splints on the front and back surfaces of the core material are covered by paper or a veneer layer; and for softer table of core, for example, the core in the middle is albizzia falcata, if be equipped with trinity connecting piece, when the eccentric wheel revolves to twist and strain the connecting rod, the eccentric wheel can be with core extrusion contact, and because the core texture is softer, lead to the eccentric wheel probably in the crooked embedding core from top to bottom to lead to the locking effect variation, also influence the outward appearance.
Disclosure of Invention
The utility model overcomes the defects in the prior art, provides an assembly structure of a three-in-one connecting piece and a table plate with simple structure and obvious effect, and leads the eccentric wheel fastener to be contacted and matched with the annular sleeve by additionally arranging the annular sleeve in the caulking groove of the table plate unit; then the eccentric wheel fastener cannot be contacted with the inner core of the table plate unit when being screwed; thereby the stress is even, the eccentric wheel fastener can not be inclined, and the appearance is smooth and beautiful.
The technical scheme of the utility model is realized like this:
an assembly structure of a three-in-one connecting piece and a table plate comprises two table plate units which are spliced together; the two table plate units are connected by adopting a three-in-one connecting piece, the three-in-one connecting piece comprises a connecting rod which is simultaneously inserted into the two table plate units and an eccentric wheel fastener which is arranged on at least one of the table plate units, and the eccentric wheel fastener is configured to be tightly matched with the connecting rod; an embedded groove for accommodating the eccentric wheel fastener is arranged on the end surface of the table plate unit; the cross section of the eccentric wheel fastener is circular, the caulking groove is correspondingly set to be a circular groove, and the diameter of the caulking groove is larger than that of the eccentric wheel fastener; a hard annular sleeve is embedded in the embedded groove, and the eccentric wheel fastener is embedded in the annular sleeve and can rotate in the inner circumference of the sleeve.
Preferably, an inner hexagonal sinking groove is formed in the center of the upper end face of the eccentric wheel fastener. The traditional eccentric wheel fastener adopts a cross sink groove, and because the annular sleeve is additionally arranged, the structural strength of the joint is increased; the eccentric wheel fastener can bear larger screwing force, so that the inner hexagonal sinking groove is formed in the eccentric wheel fastener, and more labor is saved in screwing.
Preferably, a connecting hole for penetrating a connecting rod is formed in the side edge of the table plate unit, and the connecting hole extends to be communicated with the embedded groove; the annular sleeve is correspondingly provided with a through hole for the connecting rod to pass through. Then after the connecting rod is in clamping fit with the eccentric wheel fastener, the connecting rod also penetrates through the annular sleeve to limit the annular sleeve to be separated from the caulking groove.
Preferably, the annular sleeve and the caulking groove are in interference fit. After the annular sleeve is embedded into the caulking groove, the annular sleeve is tightly connected into the caulking groove and cannot be separated from the caulking groove.
Preferably, the outer wall of the annular sleeve is uniformly provided with outer convex teeth distributed in a wavy manner. The friction force between the annular sleeve and the caulking groove is increased, so that the annular sleeve and the caulking groove are connected tightly, and the annular sleeve ring cannot deflect in the caulking groove; and the contact area between the annular sleeve and the caulking groove is reduced, so that the annular sleeve is more easily embedded and matched in the caulking groove.
Preferably, the inner wall of the annular sleeve is uniformly provided with inner convex teeth which are arranged in a wavy manner. The friction force between the annular sleeve and the eccentric wheel fastener is increased, so that the eccentric wheel fastener cannot retreat after being screwed in the annular sleeve.
Preferably, the outer wall of the eccentric wheel fastener is provided with knurling. The anti-backing function can be achieved.
Preferably, the height of the annular sleeve corresponds to the longitudinal depth of the caulking groove. The eccentric wheel fastener is always in contact fit with the annular sleeve and cannot be in extrusion contact with the table plate unit; and the upper end surface of the annular sleeve is flush with the upper end surface of the table plate unit, so that the structure is attractive.
Preferably, the annular sleeve is made of plastic or metal. The structure is hard, and the strength is good.
Adopted above-mentioned technical scheme the utility model discloses a design departure point, theory and beneficial effect are:
firstly, the utility model pre-embeds the annular sleeve in the caulking groove, so that the eccentric wheel fastener can not be in extrusion contact with the table plate unit when being screwed in the caulking groove, but directly contacts with the hard annular sleeve; the purpose of this design is: a common table structure is generally composed of: the middle core material and the hard splints on the front and back surfaces of the core material are covered by paper or a veneer layer; for some table plates with softer middle core materials, for example, the middle core material is albizzia falcataria, if a three-in-one connecting piece is provided, the eccentric wheel fastening piece is directly contacted with the middle core material; then when the connecting rod is tightened by screwing, the eccentric wheel fastener can be in pressing contact with the core material, and the core material is soft, so that the eccentric wheel fastener can be embedded into the core material in a vertically inclined mode, the locking effect is poor, and the appearance is affected. Therefore, the hard annular sleeve is pre-embedded in the caulking groove, and the eccentric wheel fastener is directly contacted with the annular sleeve, so that the stress is uniformly dispersed, and the eccentric wheel fastener can keep forward screwing and cannot deflect; the locking effect is ensured, and the appearance is beautified.
Secondly, the annular sleeve and the caulking groove are in interference fit, so that the annular sleeve cannot be separated from the caulking groove; and the outer wall of the annular sleeve is provided with the convex teeth, so that the contact area between the annular sleeve and the caulking groove can be reduced, and the annular sleeve is more easily embedded and matched in the caulking groove. The inner wall of the annular sleeve is provided with inner convex teeth, and the outer wall of the eccentric wheel fastener is provided with knurling patterns; the friction force between the annular sleeve and the eccentric wheel fastener can be increased, so that the eccentric wheel fastener cannot retreat after being screwed in the annular sleeve; so that the structure of the joint is more stable.
Drawings
Fig. 1 is a schematic perspective view of the table unit located at the eccentric wheel fastener in the embodiment of the present invention;
fig. 2 is a schematic perspective view of the two table units in the embodiment of the present invention when they are spliced;
FIG. 3 is an enlarged view of portion A of FIG. 2;
fig. 4 is a schematic perspective view of the eccentric wheel fastener, the annular sleeve and the caulking groove of the embodiment of the present invention;
fig. 5 is a schematic perspective view of an annular sleeve according to an embodiment of the present invention.
The figures are numbered: a table unit 1; a connecting rod 2; an eccentric wheel fastener 3; knurling 3a; a caulking groove 4; an annular sleeve 5; the outer convex teeth 5a; an inner convex tooth 5b; a connecting hole 6; a via 7; and an inner hexagonal sinking groove 8.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
In the description of the present invention, the term "at least one" means one or more unless explicitly defined otherwise. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The specific implementation manner of the utility model is as follows:
as shown in fig. 1-5, the utility model provides an assembly structure of a three-in-one connecting piece and a table plate, which comprises two table plate units 1 spliced together, wherein the two table plate units 1 are connected by the three-in-one connecting piece which is common in the prior art; wherein, trinity connecting piece includes that the while alternates connecting rod 2 in two table units 1 and set up eccentric wheel fastener 3 on one of them table unit 1 at least, and this eccentric wheel fastener 3 configuration is for being used for with 2 joint cooperations of connecting rod to with the taut concatenation of two table units 1 together. An embedding groove 4 for accommodating the eccentric wheel fastener 3 is formed in the end face of the table plate unit 1; a hard annular sleeve 5 is embedded in the insertion groove 4, and the eccentric wheel fastening member 3 is inserted in the annular sleeve 5 and can rotate in the circumferential direction in the annular sleeve 5.
The utility model pre-embeds the annular sleeve 5 in the caulking groove 4, so that the eccentric wheel fastener 3 can not be in extrusion contact with the table board unit 1 when being screwed in the caulking groove 4, but directly contacts with the hard annular sleeve 5; the purpose of this design is: a common table structure generally consists of: the middle core material and the hard splints on the front and back surfaces of the core material are covered by paper or a veneer layer; for some table boards with softer middle core materials, for example, the middle core material is albizia falcataria, if a three-in-one connecting piece is provided, the eccentric wheel fastening piece 3 is directly contacted with the middle core material; then when the connecting rod 2 is tightened by screwing, the eccentric wheel fastener 3 will be in pressing contact with the core material, and due to the fact that the core material is soft, the eccentric wheel fastener 3 can be embedded into the core material in a vertically inclined mode, the locking effect is poor, and the appearance is affected. Therefore, the hard annular sleeve 5 is pre-embedded in the embedding groove 4, and the eccentric wheel fastener 3 is directly contacted with the annular sleeve 5, so that the eccentric wheel fastener 3 can be positively screwed and cannot deflect; the locking effect is ensured, and the appearance is beautified.
As shown in fig. 1-5, the annular sleeve 5 is made of plastic or metal, so that the annular sleeve is made of hard material, is not easy to deform and has good stress strength. The cross section of the eccentric wheel fastening piece 3 is circular, and the caulking groove 4 is correspondingly set to be a circular groove; the annular sleeve 5 is configured to be embedded in the caulking groove 4, and the annular sleeve and the caulking groove are in interference fit; so that the annular sleeve 5 cannot be removed from the insert groove 4 after it has been inserted into the insert groove 4. As shown in fig. 5, convex teeth 5a are uniformly arranged on the outer wall of the annular sleeve 5 in a wavy distribution; the convex teeth 5a reduce the contact area between the annular sleeve 5 and the caulking groove 4 in the process of embedding the annular sleeve 5 in the caulking groove 4, so that the annular sleeve 5 is more easily embedded and matched in the caulking groove 4; and after the annular sleeve 5 is embedded in the caulking groove 4, the convex teeth 5a can also increase the friction force between the two, so that the two are tightly connected, and the annular sleeve 5 cannot deflect in the caulking groove 4. Furthermore, the height of the annular sleeve 5 corresponds to the longitudinal depth of the caulking groove 4. After the annular sleeve 5 is embedded into the caulking groove 4, the upper end face of the annular sleeve 5 is flush with the upper end face of the table board unit 1, so that the structure is attractive. Then the eccentric wheel fastener 3 is always in contact fit with the annular sleeve 5 and cannot be in extrusion contact with the inner core of the table board unit 1; the connection structure is ensured to be stable.
As shown in fig. 3-5, a connecting hole 6 for passing the connecting rod 2 is formed in the side edge of the table unit 1, and the connecting hole 6 extends to be communicated with the caulking groove 4; the annular sleeve 5 is correspondingly provided with a through hole 7 for the connecting rod 2 to pass through. Then after the connecting rod 2 is in clamping fit with the eccentric wheel fastener 3, the connecting rod 2 also penetrates through the annular sleeve 5 to limit the annular sleeve 5 to be separated from the caulking groove 4. In addition, a hexagon socket head sink 8 is arranged at the center of the upper end surface of the eccentric wheel fastener 3; the traditional eccentric wheel fastener 3 generally adopts a cross-shaped sinking groove, and because the annular sleeve 5 is additionally arranged, the structural strength of the joint is increased; the eccentric wheel fastener 3 can bear larger screwing force, and the inner hexagonal sinking groove 8 is formed in the eccentric wheel fastener 3, so that the eccentric wheel fastener 3 can be directly screwed through a hexagonal wrench, the operation is more labor-saving, and the screwing operation is more convenient.
Furthermore, inner convex teeth 5b which are arranged in a wavy manner are uniformly arranged on the inner wall of the annular sleeve 5; correspondingly, the outer wall of the eccentric wheel fastener 3 is provided with knurling patterns 3a; the friction force between the annular sleeve 5 and the eccentric wheel fastener 3 can be increased, so that the eccentric wheel fastener 3 cannot retreat after being screwed in the annular sleeve 5; has the function of stopping retreat.
To sum up, the three-in-one connecting piece and table plate assembly structure of the utility model increases the connecting strength between the eccentric wheel fastener 3 and the table plate unit 1 by additionally arranging the annular sleeve 5; the phenomenon that the connection is unstable due to the fact that the eccentric wheel fastener 3 extrudes the inner core of the table plate unit 1 is avoided; so that the connecting effect of the three-in-one connecting piece is better. As for the concrete connected mode of trinity connecting piece be common prior art, not the utility model discloses a design point, so do not do too much in this embodiment and describe repeatedly.
Claims (9)
1. The utility model provides an assembly structure of trinity connecting piece and table which characterized in that: comprises two table units spliced together; the two table plate units are connected by adopting a three-in-one connecting piece, the three-in-one connecting piece comprises a connecting rod which is simultaneously inserted into the two table plate units and an eccentric wheel fastener which is at least arranged on one of the table plate units, and the eccentric wheel fastener is configured to be tightly matched with the connecting rod; an embedded groove for accommodating the eccentric wheel fastener is arranged on the end surface of the table plate unit; the cross section of the eccentric wheel fastener is circular, the caulking groove is correspondingly set to be a circular groove, and the diameter of the caulking groove is larger than that of the eccentric wheel fastener; a hard annular sleeve is embedded in the embedded groove, and the eccentric wheel fastener is embedded in the annular sleeve and can rotate in the inner circumference of the sleeve.
2. The assembly structure of a three-in-one connector and a table as claimed in claim 1, wherein: and an inner hexagonal sinking groove is formed in the center of the upper end face of the eccentric wheel fastener.
3. The assembly structure of a three-in-one connector and a table as claimed in claim 1, wherein: a connecting hole for penetrating a connecting rod is formed in the side edge of the table board unit and extends all the way to be communicated with the embedded groove; the annular sleeve is correspondingly provided with a through hole for the connecting rod to pass through.
4. The assembly structure of a three-in-one connector and a table as claimed in claim 1, wherein: the annular sleeve and the caulking groove are in interference fit.
5. The assembly structure of a three-in-one connector and a table as claimed in claim 1 or 4, wherein: the outer wall of the annular sleeve is uniformly provided with outer convex teeth which are distributed in a wavy manner.
6. The assembly structure of a three-in-one connector and a table as claimed in claim 1, wherein: the inner wall of the annular sleeve is uniformly provided with inner convex teeth which are arranged in a wavy manner.
7. The assembly structure of a three-in-one connector and a table as claimed in claim 6, wherein: the outer wall of the eccentric wheel fastener is provided with knurling.
8. The assembly structure of a three-in-one connector and a table as claimed in claim 1, wherein: the height of the annular sleeve is consistent with the longitudinal depth of the caulking groove.
9. The assembly structure of a three-in-one connector and a table as claimed in claim 1, wherein: the annular sleeve is made of plastic or metal.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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CN202222216448.XU CN218480012U (en) | 2022-08-22 | 2022-08-22 | Assembly structure of trinity connecting piece and table |
PCT/CN2023/114332 WO2024041548A1 (en) | 2022-08-22 | 2023-08-22 | Table board assembly structure, and table board processing and jointing process |
Applications Claiming Priority (1)
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CN202222216448.XU CN218480012U (en) | 2022-08-22 | 2022-08-22 | Assembly structure of trinity connecting piece and table |
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CN218480012U true CN218480012U (en) | 2023-02-14 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2024041548A1 (en) * | 2022-08-22 | 2024-02-29 | 永艺家具股份有限公司 | Table board assembly structure, and table board processing and jointing process |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2024041548A1 (en) * | 2022-08-22 | 2024-02-29 | 永艺家具股份有限公司 | Table board assembly structure, and table board processing and jointing process |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: ANJI YONGYI SHANGPIN FURNITURE CO.,LTD. Assignor: UE FURNITURE Co.,Ltd. Contract record no.: X2023980041550 Denomination of utility model: An assembly structure of a three in one connector and a table board Granted publication date: 20230214 License type: Common License Record date: 20230912 |
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EE01 | Entry into force of recordation of patent licensing contract |