CN219754982U

CN219754982U - Extension plate and plate assembly thereof

Info

Publication number: CN219754982U
Application number: CN202223572486.5U
Authority: CN
Inventors: 陈逢建
Original assignee: Anji Junlan Bamboo & Wood Industry Co ltd
Current assignee: Anji Junlan Bamboo & Wood Industry Co ltd
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-09-26
Anticipated expiration: 2032-12-31

Abstract

The extension plate comprises a joint main body, wherein the joint main body comprises an extension connecting part arranged at the upper part and a concave connecting part arranged at the lower part, the outer end of the extension connecting part is provided with a convex part, the inner end of the concave connecting part is provided with an inner groove, and the convex part and the inner groove are mutually embedded in shape and size; the anti-falling groove is formed in the lower end face of the extension connecting portion, the anti-falling limiting surface which is opposite to the inner groove is arranged on the anti-falling groove, when the pair of plates of the extension joint are adopted, the clamping point is increased through the mutually matched clamping connection of the two plates, the fastening piece is inserted into the hole cavity enclosed by the two plates, the fastening effect is provided, the stability of plate connection is remarkably enhanced, and meanwhile, the whole appearance of the plates is attractive.

Description

Extension plate and plate assembly thereof

Technical Field

The utility model relates to the technical field of plates, in particular to an extensible plate with a joint with seamless extension.

Background

In the prior art, the length of the plate is limited by the length of the press and is basically less than 2.5 meters, but in the actual production and life, a plurality of application scenes of plates with the length of more than 2.5 meters exist, for example, the airport is paved with decorative materials on a large area, if the problem is solved only from the aspect of changing the length of the press, the problem is unrealistic and unreasonable, the equipment budget can be greatly increased, and a plurality of problems such as ultra-long raw material untangling, drying, gum dipping and the like exist in the processing process. Therefore, the lengthening process of the plate is necessary, and the stability and the aesthetic degree of the product after the lengthening of the plate are the main problems of the lengthening process.

The common lengthening mode in the market at present is to bond the plates by glue, and the method has the defects of low bonding strength, easy glue opening, easy deformation and the like. And the bonding part is provided with a seam, so that the appearance is not attractive.

According to the seamless lengthening bamboo board disclosed by the patent CN205466587U, the right-angle trapezoidal groove and the corresponding tenon hook are arranged at the end part of the board, and the tenon hooks are embedded into the right-angle trapezoidal groove to form buckle connection, so that the seamless lengthening of the board is realized, but the board is easy to fall off due to the fact that only one clamping point of the tenon hook and the right-angle trapezoidal groove exists between the boards, and the stability is low.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and provides the extensible plate, which not only realizes seamless extension of the plate, but also is stable and attractive in connection.

The utility model solves the technical problems by adopting the technical scheme that: the extension plate comprises a joint main body, wherein the joint main body comprises an extension connecting part arranged at the upper part and a concave connecting part arranged at the lower part, the outer end of the extension connecting part is provided with a convex part, the inner end of the concave connecting part is provided with an inner groove, and the convex part and the inner groove are mutually embedded in shape and size; an anti-drop groove is arranged on the lower end surface of the extension connecting part, and an anti-drop limiting surface which is arranged opposite to the inner groove is arranged on the anti-drop groove.

Preferably, the thickness of the extension connection portion is the same as the height of the concave connection portion.

Preferably, the clamping groove is positioned at the joint between the concave connecting part and the extension connecting part, and the upper side wall in the clamping groove and the extension connecting part are positioned on the same plane.

Preferably, the lower side wall in the clamping groove is of an inclined surface structure which is inclined downwards from inside to outside, so that the clamping groove and the protruding part can be matched and clamped conveniently.

Preferably, the shape, position and size of the protruding part are matched with those of the clamping groove, so that the clamping fit of the clamping groove and the protruding part is tight and seamless.

Preferably, the anti-falling limiting surface is of an inclined surface structure.

Preferably, a panel assembly includes interconnect's first panel and second panel, the first extension connecting portion of first panel is connected on the second indent connecting portion of second panel, simultaneously the first draw-in groove of second panel is gone into to the first bellying card of first panel, the first anticreep groove of first panel and the second anticreep groove of second panel enclose into the vestibule, the first anticreep spacing face of first panel and the second anticreep spacing face of second panel set up relatively, the vestibule inserts the fastener and pushes up on the first anticreep spacing face and the second anticreep spacing face of relative setting, through set up draw-in groove and bellying simultaneously on a pair of long panels, the joint cooperation between a pair of panel is fixed has been strengthened simultaneously, and then the connection that realizes the panel is firm, insert the fastener in the vestibule that a pair of panels encloses and push up on a pair of anticreep spacing face so that left and right sides a pair of panels connect more closely.

Preferably, the fastener is formed by a pair of wedge blocks, the tips of the wedge blocks are respectively embedded from two ends of the cavity,

the two wedge-shaped blocks are identical in shape and size, and the clamping connection of a pair of plates is reinforced through mutual extrusion of the wedge-shaped blocks.

Preferably, the length of the fastener is greater than the depth of the cavity, so that the follow-up fastener can be conveniently saw cut through the saw blade after being installed, and the saw blade can be used for polishing after saw cutting, so that the smoothness of the joint of the follow-up plates is ensured.

Preferably, the contact surface between the first plate and the second plate is provided with a glue layer, providing a further strengthening effect.

The beneficial effects of the utility model are as follows: the utility model provides an extensible plate, which is provided with a joint with seamless extension, and a pair of plates with the joint, wherein the plates are respectively provided with a clamping groove and a protruding part, the first protruding part of a first plate is clamped into the second clamping groove of a second plate, the second protruding part of the second plate is clamped into the first clamping groove of the first plate, a clamping joint is increased through the mutually matched clamping of the plates, a fastening piece is inserted into a cavity surrounded by the plates, the fastening effect is provided, the connection stability of the plates is obviously enhanced, and meanwhile, the whole appearance of the plates is attractive.

Drawings

FIG. 1 is a top view of an extension joint;

FIG. 2 is a schematic top view of a first sheet and a second sheet;

FIG. 3 is a top view of the first and second plates after clamping;

FIG. 4 is an elevation view of the first and second sheets after the first and second sheets are snapped together and a fastener is inserted;

fig. 5 is a schematic view of the structure of the wedge block.

Reference numerals illustrate: 1. a joint body; 11. an extension connection; 12. a concave connecting part; 111. a boss; 121. a clamping groove; 13. an anti-drop groove; 131. an anti-falling limit surface; 4. a first sheet material; 41. a first extension connection; 42. a first female connection portion; 411. a first boss; 421. a first clamping groove; 43. a first anti-drop groove; 431. a first anti-drop limiting surface; 5. a second plate; 51. a second extension connection; 52. a second female connection portion; 511. a second protruding portion; 521. a second clamping groove; 53. a second anti-drop groove; 531. the second anti-falling limiting surface; 6. a bore; 71. wedge block one; 72. and a second wedge block.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

embodiment one:

referring to fig. 1, an extensible plate comprises a joint body 1, wherein the joint body 1 comprises an extension connecting part 11 arranged at an upper part and a concave connecting part 12 arranged at a lower part, a clamping groove 121 is formed at the inner end of the concave connecting part 12, a protruding part 111 is formed at the outer end of the extension connecting part 11 through processing, the protruding part 111 can be matched with a clamping groove on another plate extension joint, and the shape, the position and the size of the protruding part 111 are matched with the clamping groove 121, so that a pair of joints can realize seamless tight clamping; the anti-drop groove 13 is formed in the lower end face of the extension connecting portion 11, the anti-drop groove 13 faces the concave connecting portion 12, the anti-drop limiting surface 131 is arranged on the anti-drop groove 13, the anti-drop limiting surface 131 and the opening of the clamping groove 12 are oppositely arranged, and referring to fig. 4, after a pair of connectors are clamped, a fastener is mounted on the anti-drop limiting surface in a fitting mode, and the fastener is extruded to extrude the anti-drop limiting surface to strengthen connection of the pair of connectors in the left-right direction.

Wherein, the thickness of the extension connecting portion 11 is the same as the height of the concave connecting portion 12, when a pair of connectors are used for mutually clamping, the thickness of the extension connecting portion is the same as the height of the concave connecting portion, so that the pair of connectors can be matched and clamped together more easily, and the surface of the plate connecting portion formed after clamping is flat.

The clamping groove 121 is located at the connection position between the concave connection portion 12 and the extension connection portion 11, and an upper side wall in the clamping groove 121 and the extension connection portion 11 are located on the same plane, so that a pair of connectors can be inserted along the lower edge of the extension connection portion in opposite directions, so that the protruding portion is clamped into the clamping groove, and clamping of the pair of connectors is facilitated.

Further, the lower side wall in the clamping groove 121 is of a slope structure inclined downwards from inside to outside, the protruding portion 111 is of a structure with small outer end and large inner end and matched with the slope, when a pair of connectors are used for being clamped with each other, the structure enables the protruding portion to be clamped into the clamping groove in a self-positioning mode, the protruding portion is gradually inserted into the clamping groove under the action of the slope, and compared with the fact that the protruding portion and the clamping groove can be clamped with each other Ji Cai when the clamping structure is clamped without the slope, the clamping groove is more labor-saving and convenient.

Further, the anti-falling limiting surface 131 is of an inclined surface structure, so that after the pair of connectors are clamped, a fastener is mounted on the attaching anti-falling limiting surface, when the fastener extrudes the anti-falling limiting surface, the connection of the pair of connectors in the left-right direction can be reinforced, and meanwhile the connection of the pair of connectors in the front-rear direction is reinforced.

Embodiment two:

on the basis of the first embodiment, this embodiment provides an assembly of a pair of plates, referring to fig. 2, the pair of plates has the plates shown in fig. 1, the pair of plates includes a first plate 4 and a second plate 5 that are connected to each other, the first plate 4 and the second plate 5 have identical structures, the first plate 4 is clamped into the second clamping groove 521 of the second plate 5 through the first protruding portion 411 so that the first extension connection portion 41 of the first plate 4 is connected to the second concave connection portion 52 of the second plate 5, and meanwhile, the second plate 5 is clamped into the first clamping groove 421 of the first plate 4 through the second protruding portion 511 so that the second extension connection portion 51 of the second plate 5 is connected to the first concave connection portion 42 of the first plate 4, and through the matched clamping of the pair of plates, the clamping points between the plates are increased, so that the connection between the plates is more stable.

Referring to fig. 2 and 3 and 4: after the first plate 4 and the second plate 5 are matched and clamped, the first anti-falling groove 43 of the first plate 4 and the second anti-falling groove 53 of the second plate 5 enclose the hole cavity 6, the first anti-falling limiting surface 431 and the second anti-falling limiting surface 531 in the hole cavity 6 are oppositely arranged, and a fastener is inserted into the hole cavity 6 along the inclined plane direction of the first anti-falling limiting surface 431 and the second anti-falling limiting surface 531 and is pressed on the first anti-falling limiting surface 431 and the second anti-falling limiting surface 531 which are oppositely arranged, so that the fastener is in interference fit with the hole cavity 6 and is filled in the hole cavity 6.

Referring to fig. 5, in this embodiment, the fastening member is a pair of wedge blocks 71 and two wedge blocks 72 with identical shapes and sizes, the wedge blocks 71 and 72 can be formed by cutting square plate members along a diagonal line, the wedge blocks 71 and 72 are complementarily matched and clamped into the cavity 6, and the wedge blocks 71 or the wedge blocks 72 are knocked relatively to enable the wedge blocks 71 and 72 to be mutually extruded so as to respectively form acting forces on the cavity 6, namely, the wedge blocks 71 provide extrusion forces to the first plate 5 to the first plate 4 and simultaneously the wedge blocks 72 provide extrusion forces to the first plate 4 to the second plate 5, and the first plate 4 and the second plate 5 are mutually extruded through mutual extrusion of the wedge blocks 71 and the wedge blocks 72, so that the first plate 4 and the second plate 5 are more tightly connected; in order to facilitate subsequent processing, in this embodiment, the length of the fastener is greater than the depth of the hole cavity 6, and two ends of the fastener protrude from the surfaces of the first plate 4 and the second plate 5, so that the fastener is conveniently driven into the hole cavity 6 and simultaneously is convenient for subsequent sawing and polishing processing to be flush with the plates.

In addition, a glue layer is arranged on the contact surface between the first plate 4 and the second plate 5, and the connection firmness between the first plate 4 and the second plate 5 is further reinforced by glue.

The application method of the embodiment comprises the following steps: a glue layer is coated on the contact surface between the first plate 4 and the second plate 5, the first protruding part 411 on the first plate 4 is clamped into the second clamping groove 521 on the second plate 5, the second protruding part 511 on the second plate 5 is clamped into the first clamping groove 421 on the first plate 4, after clamping, the first wedge 721 and the second wedge 722 coated with glue are driven into the cavity 6 in a complementary fit mode, the first wedge 721 and the second wedge 722 are bottomed, after the glue is solidified, the parts of the first wedge 721 and the second wedge 722 protruding out of the plates are cut off, two ends of the first wedge 721 and the second wedge 722 are positioned on the same plane with the first plate 4 and the second plate 5, polishing treatment is carried out on the whole extension structure surface, and the plates are finished after the protection oil is coated.

While the utility model has been shown and described with reference to a preferred embodiment, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the scope of the utility model.

Claims

1. The utility model provides a but extension panel, includes joint main part (1), characterized by: the connector body (1) comprises an extension connecting part (11) arranged at the upper part and a concave connecting part (12) arranged at the lower part, a protruding part (111) is arranged at the outer end of the extension connecting part (11), an inner groove (121) is arranged at the inner end of the concave connecting part (12), and the protruding part (111) and the inner groove (121) are mutually embedded in shape and size; the lower end face of the extension connecting part (11) is provided with an anti-falling groove (13), and the anti-falling groove (13) is provided with an anti-falling limiting surface (131) which is arranged opposite to the inner groove (121).

2. An extensible sheet according to claim 1, wherein: the thickness of the extension connecting part (11) is the same as the height of the concave connecting part (12).

3. An extensible sheet according to claim 1, wherein: the inner groove (121) is positioned at the joint between the inner concave connecting part (12) and the extension connecting part (11), and the upper side wall in the inner groove (121) and the extension connecting part (11) are positioned on the same plane.

4. A lengthening sheet according to claim 1 or 3, characterized in that: the lower side wall in the inner groove (121) is of an inclined surface structure which is inclined downwards from inside to outside.

5. An extensible sheet according to claim 4, wherein: the shape, position and size of the protruding part (111) are matched with those of the inner groove (121).

6. An extensible sheet according to claim 1, wherein: the anti-falling limiting surface (131) is of an inclined surface structure.

7. A panel assembly employing an extensible panel according to any one of claims 1 to 6, comprising a first panel (4) and a second panel (5) connected to each other, characterized in that: the first extension connecting portion (41) of the first plate (4) is connected to the second concave connecting portion (52) of the second plate (5), meanwhile, the first protruding portion (411) of the first plate (4) is clamped into the second clamping groove (521) of the second plate (5), the first anti-falling groove (43) of the first plate (4) and the second anti-falling groove (53) of the second plate (5) enclose the hole cavity (6), the first anti-falling limiting surface (431) of the first plate (4) and the second anti-falling limiting surface (531) of the second plate (5) are oppositely arranged, and the fastening piece is inserted into the hole cavity (6) and is propped against the first anti-falling limiting surface (431) and the second anti-falling limiting surface (531) which are oppositely arranged.

8. A sheet assembly of an extensible sheet according to claim 7, wherein: the fastener is composed of a pair of wedge blocks (71, 72), and the tips of the pair of wedge blocks (71, 72) are respectively embedded from two ends of the cavity (6).

9. A sheet assembly of an extensible sheet according to claim 7 or 8, characterized in that: the fastener length is greater than the depth of the bore (6).

10. A sheet assembly of an extensible sheet according to claim 7, wherein: and a glue layer is arranged on the contact surface between the first plate (4) and the second plate (5).