CN115444223A

CN115444223A - Tool-free connecting piece

Info

Publication number: CN115444223A
Application number: CN202110636305.1A
Authority: CN
Inventors: 陈鹏鑫
Original assignee: Fuzhou Xinxing Home Products Co ltd
Current assignee: Fuzhou Xinxing Home Products Co ltd
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2022-12-09
Also published as: WO2022257191A1

Abstract

The invention discloses a tool-free connecting piece, which is used for connecting a plate and a rod piece and relates to the technical field of furniture assembly, and comprises an elastic part (1) and a supporting part (2), wherein the second end of the elastic part (1) is connected with the third end of the supporting part (2), the elastic part (1) is provided with a first through hole, the supporting part (2) is provided with a second through hole, and the first through hole is communicated with the second through hole; the plate is provided with a connecting port, and the elastic part (1) is used for being connected with the plate; the rod piece penetrates through the first through hole and the second through hole, and when the rod piece is installed, the elastic part (1) or the supporting part (2) applies extrusion force to the rod piece; the invention also comprises a clamping piece (3), wherein the clamping piece (3) is positioned in the first through hole and the second through hole and is sleeved on the rod piece. The tool-free connecting piece provided by the invention has a simple processing technology, and can be widely applied to the assembly of furniture made of medium density fiberboard, solid wood board, shaving board, marble board, artificial stone board, plastic compound organic board and the like.

Description

Tool-free connecting piece

Technical Field

The invention relates to the technical field of furniture assembly, in particular to a tool-free connecting piece.

Background

However, in the existing toolless composite shelf product, although the toolless operation is realized during the final assembly of the product, the production of the toolless composite shelf still needs complex processes such as welding, tapping and the like, on one hand, a large amount of materials and labor are consumed, on the other hand, the production process is complicated, the reject ratio is also improved, and the composite shelf is only suitable for weldable metal frames and is not suitable for wood plates. In some multifunctional article holders, the conical tube and the square tube of the article holder are welded and fixed, so that the article holder cannot be applied to materials such as medium density fiberboard, solid wood board, shaving board, marble board, artificial stone board, plastic compound organic board and the like widely used in furniture.

Therefore, those skilled in the art have endeavored to provide a tool-less connecting member, which is simple in forming process and can be applied to wood boards, stone materials and other materials.

Disclosure of Invention

In view of the defects in the prior art, the technical problem to be solved by the invention is how to provide a tool-free connecting piece which can be simultaneously suitable for wooden boards and stone furniture.

To achieve the above object, the present invention provides a tool-less connecting member for connecting a plate member and a rod member, comprising:

the elastic part (1) is provided with a first end and a second end which are oppositely arranged along the axial direction, wherein the plate (4) is provided with a connecting port, and the first end is provided with an outer contour matched with the connecting port and is used for being connected with the plate (4);

the supporting part (2) is provided with a third end and a fourth end which are oppositely arranged along the axial direction, and the second end of the elastic part (1) is connected with the third end of the supporting part (2);

the elastic part (1) is provided with a first through hole along the axial direction, the supporting part (2) is provided with a second through hole along the axial direction, and the first through hole is communicated with the second through hole;

the rod piece (5) penetrates through the first through hole and the second through hole, and when the plate piece (4) is connected with the rod piece (5), the elastic part (1) or the supporting part (2) applies extrusion force to the rod piece (5).

Further, the inner wall of the first through hole and the inner wall of the second through hole are in smooth transition.

Further, the area of the cross section of the second through hole is larger than or equal to the area of the cross section of the first through hole.

Further, the area of the cross section of the first through hole gradually increases from the first end to the second end in the axial direction, and the area of the cross section of the second through hole gradually increases from the third end to the fourth end in the axial direction.

Preferably, the cross-section of the first through-hole and the cross-section of the second through-hole are circular.

Preferably, the axis (11) of the elastic portion (1) and the axis (21) of the support portion (2) coincide.

Preferably, the first and second via apertures increase linearly from the first end to the fourth end.

Preferably, the aperture of the first through hole and the aperture of the second through hole range from 10 mm to 60mm.

Preferably, one or more elastic pieces (12) are arranged on the elastic part (1).

Preferably, the elastic pieces (12) are uniformly distributed on the wall surface of the elastic part (1).

Preferably, gaps (13) are arranged between the elastic sheets (12).

Preferably, the width of the gap (13) increases from the first end to the second end.

Preferably, the intersection line of the notches (13) is rounded (14).

Preferably, the outer wall of the first end of the elastic part (1) is provided with a protrusion (15).

Preferably, the third end outer wall of the supporting part (2) is provided with a top plate (22).

Preferably, the outer wall of the supporting part (2) is provided with an inclined strut (23), and the inclined strut (23) is connected with the top plate (22).

Preferably, the brace strut (23) is arc-shaped.

Preferably, the elastic portion (1) and the support portion (2) are integrally molded.

Preferably, the connecting piece is made of one of plastic, iron, aluminum alloy and zinc alloy.

Further, the clamping piece (3) is of a hollow structure, and the clamping piece (3) is provided with a fifth end and a sixth end which are oppositely arranged; the clamping piece (3) comprises a first half piece (31) and a second half piece (32), and the first half piece (31) and the second half piece (32) are spliced and connected; the clamping piece (3) is arranged in the first through hole and the second through hole, and the rod piece (5) penetrates through the clamping piece (3).

Preferably, the clip (3) has an outer wall cross-section that increases from the fifth end of the clip (3) to the sixth end of the clip (3).

Preferably, the first half-piece (31) and the second half-piece (32) are identical in shape, and the first half-piece (31) and the second half-piece (32) are connected through a protrusion (33) and a groove (34).

Preferably, the inner wall of the clip (3) is provided with an annular protruding strip (35), wherein the rod (5) has a groove, and the annular protruding strip (35) is embedded in the groove.

The invention discloses a method for connecting a plate and a rod by using a tool-free connecting piece, which comprises the following steps:

the elastic part (1) is compressed and contracted along the cross section and then extends into a connecting port of the plate (4), and then the elastic part is released to rebound;

the first half piece (31) and the second half piece (32) are sleeved on the outer side of the rod piece (5) to be connected into the clamping piece (3), and the annular protruding strip (35) is embedded into a groove of the rod piece (5);

the elastic part (1) and the supporting part (2) together with the plate part (4) penetrate through the rod part (5), so that the elastic part (1) or the supporting part (2) extrudes the clamping piece (3).

The invention has at least the following beneficial technical effects:

1. according to the tool-free connecting piece, the elastic part and the supporting part are of an integrated forming structure, so that the processing technology is simplified, and the processing accuracy of parts is improved.

2. The tool-free connecting piece provided by the invention is arranged in a connecting port of a furniture plate through the elastic contraction and rebound of the elastic part, and operations such as welding, tapping and the like are not needed, so that the tool-free connecting piece can be widely applied to furniture made of medium density fiberboard, solid wood board, shaving board, marble board, artificial stone board and plastic compound organic board.

3. According to the tool-free connecting piece, the clamping piece is buckled together through the first half piece and the second half piece, and the locking interface is formed between the clamping piece and the elastic part, so that the clamping piece can be disassembled and assembled without using hand tools, and the tool-free connecting piece is very convenient to use.

The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, the features and the effects of the present invention.

Drawings

FIG. 1 is a front view of embodiment 1 of the present invention;

FIG. 2 is a sectional view of embodiment 1 of the present invention;

FIG. 3 is an installation diagram of embodiment 1 of the present invention;

FIG. 4 is a schematic view of a notch section of example 1 of the present invention;

fig. 5 is a clip diagram of embodiment 2 of the present invention;

fig. 6 is a partial schematic view of a clip according to embodiment 2 of the present invention;

FIG. 7 is a sectional view of embodiment 2 of the present invention;

fig. 8 is a clip installation schematic of embodiment 2 of the present invention;

fig. 9 is an installation diagram of embodiment 2 of the present invention.

Wherein, 1-an elastic part, 11-an axis of the elastic part, 12-an elastic sheet, 13-a notch, 14-a smooth transition section at an intersection line of the notch, 15-a bulge at a first end, 2-a support part, 21-an axis of the support part, 22-a top plate, 23-an inclined strut, 3-a clamping sheet, 31-a first half sheet, 32-a second half sheet, 33-a bulge of the clamping sheet, 34-a groove of the clamping sheet, 35-an annular bulge strip, 4-a plate and 5-a rod piece.

Detailed Description

The technical contents of the preferred embodiments of the present invention will be more clearly and easily understood by referring to the drawings attached to the specification. The present invention may be embodied in many different forms of embodiments and the scope of the invention is not limited to the embodiments set forth herein.

In the drawings, structurally identical elements are represented by like reference numerals, and structurally or functionally similar elements are represented by like reference numerals throughout the several views. The size and thickness of each component shown in the drawings are arbitrarily illustrated, and the present invention is not limited to the size and thickness of each component. The thickness of the components has been exaggerated in some places in the drawings where appropriate for clarity of illustration.

The tool-free connecting piece is used for connecting the plate and the rod. As shown in fig. 9, in assembling the furniture, the plate 4 is in a horizontal state, the rod 5 is in a vertical state, a connection port is formed in the plate 4, the elastic part 1 of the tool-less connector is inserted into the connection port of the plate 4, and the elastic part 1 is arranged above the supporting part 2. The rod 5 passes through the first through hole of the elastic part 1 and the second through hole of the support part 2, and after being mounted in place, the elastic part 1 or the support part 2 provides a pressing force to the rod 5. Clamping pieces 3 can be arranged among the elastic part 1, the supporting part 2 and the rod piece 5, so that the compression effect of the tool-free connecting piece on the rod piece 5 is improved, and the rod piece 5 is convenient to disassemble and assemble.

Example 1

As shown in fig. 1, the tool-less connector of the present embodiment includes an elastic portion 1 and a support portion 2. The elastic part 1 is provided with a first end and a second end which are oppositely arranged along the axial direction; the plate 4 has a connection opening, and the first end of the elastic part 1 has an outer contour matching the connection opening of the plate 4 and is adapted to be connected to the plate 4. The supporting part 2 has a third end and a fourth end which are oppositely arranged along the axial direction, and the second end of the elastic part 1 is connected with the third end of the supporting part 2. As shown in fig. 2, in the present embodiment, the elastic portion 1 is generally cylindrical as a whole, has an axis 11, and the direction extending along the axis 11 is the axial direction; the support 2 is generally cylindrical in shape as a whole, having an axis 21, the direction extending along the axis 21 being the axial direction. The axis 11 of the present embodiment coincides with the axis 21.

As shown in fig. 2, the elastic portion 1 is provided with a first through hole along the axial direction, the support portion 2 is provided with a second through hole along the axial direction, and the first through hole of the elastic portion 1 and the second through hole of the support portion 2 are communicated. The rod 5 passes through the first and second through holes, and the elastic part 1 or the support part 2 applies a pressing force to the rod 5 when the plate 4 and the rod 5 are connected.

The inner wall of the first through hole of the elastic part 1 and the inner wall of the second through hole of the supporting part 2 are in smooth transition, and the area of the cross section of the second through hole is larger than or equal to that of the first through hole. In this embodiment, the area of the cross section of the first through hole gradually increases from the first end of the elastic portion 1 to the second end of the elastic portion 1 along the axial direction, and the area of the cross section of the second through hole gradually increases from the third end to the fourth end of the support portion 2 along the axial direction. The cross-section refers to a plane perpendicular to the axis 11 of the flexible part 1 or the axis 21 of the support part 2.

The wall surface of the elastic part 1 has elasticity, and can expand, contract and rebound along the cross-sectional direction of the first through hole.

The tool-less connector of this embodiment is used for connecting a panel and a rod of furniture. As shown in fig. 3, a connection opening is opened in advance in the plate 4, and the first end of the elastic portion 1 has an outer contour matching the connection opening of the plate 4. When mounting, the wall surface of the elastic part 1 is pressed to contract, then the elastic part 1 is extended into the connection port of the plate 4 from the lower surface of the plate 4, and after loosening, the elastic part 1 clamps the plate 4 by the resilience force. The rod piece 5 of furniture is installed in the first through hole of the elastic part 1 and the second through hole of the supporting part 2, the cross sections of the first through hole and the second through hole are small in top and large in bottom, the elastic part 1, the supporting part 2 and the rod piece 5 can be locked through gravity, and the larger the gravity is, the better the locking effect is. The tool-less connection of this embodiment is independent of the furniture to be installed and requires no further machining processes other than the opening of the plate 4 of the furniture. Therefore, the panel 4 to which the present embodiment is applicable includes medium density fiberboard, solid wood board, particle board, marble board, artificial stone board, plastic compound organic board, and the like.

As shown in fig. 3, the outer wall of the first end of the elastic portion 1 is provided with a protrusion 15, a mortise is provided on the connection port of the plate 4, and the protrusion 15 of the first end is matched with the mortise of the plate 4, so that the elastic portion 1 and the plate 4 can be firmly connected.

As shown in fig. 1 and fig. 2, in the present embodiment, the cross section of the first through hole of the elastic part 1 and the cross section of the second through hole of the support part 2 are circular, the axis 11 of the elastic part 1 coincides with the axis 21 of the support part 2, and the aperture of the first through hole of the elastic part 1 and the aperture of the second through hole of the support part 2 increase linearly from the first end of the elastic part 1 to the fourth end of the support part 2 to form a tapered surface, so that the elastic part 1 and the support part 2 can be locked on the cylindrical rod of the furniture more firmly. The aperture ranges of the first through hole and the second through hole are 10-60 mm, and the furniture rod piece with the first through hole and the second through hole can be suitable for furniture rod pieces with different specifications.

As shown in fig. 1 and 2, in the present embodiment, the outer wall of the elastic portion 1 is cylindrical, and accordingly, a cylindrical connection port is formed in the plate member 4. The wall surface of the elastic part 1 is provided with elastic pieces 12, and gaps 13 are reserved between the elastic pieces 12, so that the contraction and rebound effects of the elastic part 1 are better. The elastic sheet 12 is uniformly distributed around the axis 11 of the elastic part 1, the width of the gap 13 is gradually increased from the first end of the elastic part 1 to the second end of the elastic part 1, correspondingly, the width of the elastic sheet 12 is gradually reduced from the first end of the elastic part 1, so that the distribution of the resilience force on the elastic sheet 12 is uniform as much as possible. As shown in fig. 4, the intersection line of the bottom of the notch 13 is rounded to form a rounded transition section 14, so as to reduce the local stress of the elastic sheet 12 during the compression and rebound processes.

As shown in fig. 1 and 2, a top plate 21 is provided outside the first end of the support portion 2; below the top plate 21, support plates 23 are arranged on the wall surface 22 of the support part 2 along the direction of the axis 21 of the support part 2, and the support plates 23 are uniformly distributed around the axis 21 of the support part 2; the support plate 23 is connected to the top plate 21, increasing the stability of the support 2. As shown in fig. 3, when the connecting member of the present embodiment is mounted on the plate member 4, the supporting plate 23 is attached to the lower surface of the plate member 4, and the protrusion 15 of the first end of the flexible part 1 is engaged with the upper mortise of the plate member 4, so that the flexible part 1 and the supporting part 2 are firmly mounted on the furniture. The support plate 23 is arc-shaped to improve a supporting force.

The elastic part 1 and the supporting part 2 are integrally formed, processes such as welding and counter bores are not needed, the machining process is simple, and the accuracy is high. The material of the tool-free connecting piece can be one of plastic, iron, aluminum alloy and zinc alloy, and the application range is wide.

Example 2

This embodiment adds the clip 3 to embodiment 1. As shown in fig. 5, the clip 3 is a hollow structure, so that the clip 3 is sleeved on a rod of furniture. The clip 3 has oppositely disposed fifth and sixth ends. The clip 3 comprises a first half 31 and a second half 32, and the first half 31 and the second half 32 are spliced to form the complete clip 3. The clip 3 is embedded into the first through hole of the elastic part 1 and the second through hole of the support part 2 when in use, and the clip 3 is locked by the elastic part 1 and the support part 2 through extrusion. The length of the clamping piece 3 is larger than the sum of the lengths of the elastic part 1 and the supporting part 2, and the length is the size along the axial direction.

As shown in fig. 6, the connecting surface of the first half 31 and the second half 32 is provided with a protrusion 33 and a groove 34, and the first half 31 and the second half 32 are spliced together by the protrusion 33 and the groove 34. The first half 31 and the second half 32 are identical in shape, increasing the ease of assembly of the clip 3.

As shown in fig. 6, the clip 3 is provided on the inner wall thereof with an annular projection 35. As shown in fig. 8, the annular projecting strip 35 cooperates with a groove on the bar 5 of the furniture to stabilize the position of the clip 3 when it is mounted.

As shown in fig. 7, the outer wall cross section of the clip 3 increases from the fifth end of the clip 3 to the sixth end of the clip 3; when mounted, the fifth end of the clip 3 is located at the first end of the elastic part 1, and the sixth end of the clip 3 is located at the fourth end of the supporting part 2. The outer wall profile of clamping piece 3 matches with the first through-hole of elastic component 1 and the second through-hole profile of supporting part 2 respectively from fifth end to sixth end to make clamping piece 3 laminate better with elastic component 1 and supporting part 2, make the locking effect better. Meanwhile, the sixth end of the clamping piece 3 exceeds the fourth end of the supporting part 2, and when the clamping piece 3 is locked by the elastic part 1 and the supporting part 2, an up-and-down adjusting space is reserved.

The use of the tool-less connector of this embodiment is as follows: the elastic part 1 is embedded into a connecting port of the plate 4 from the lower surface of the plate 4, the bulge 15 at the first end of the elastic part 1 is matched with the mortise part of the connecting port of the plate 4, and the top plate 22 of the supporting part 2 is attached to the lower surface of the plate 4, so that the elastic part 1 and the supporting part 2 are firmly connected with the plate 4; the first half piece 31 and the second half piece 32 of the clamping piece 3 are sleeved outside the rod piece 5 and then spliced together, the annular protruding strip 35 is matched with the groove of the rod piece 5, and the fifth end and the sixth end of the clamping piece 3 are arranged at the upper part and the lower part during installation; and finally, the elastic part 1, the supporting part 2 and the plate 4 are sleeved outside the clamping piece 3 from the upper end of the rod piece 5, so that the elastic part 1 and the supporting part 2 extrude the clamping piece 3, and the whole connecting piece is locked.

The clamping piece 3 of the embodiment is used on a round bar structure, and can be simultaneously applied to iron pipes, bamboo bars, solid wood bars, aluminum pipes, alloy pipes and plastic organic bars to be combined into different types of furniture, including multilayer storage racks, tables, trolleys, shoe racks, clothes hangers, screens, kitchen storage racks, bathroom storage racks and the like. The tool-free connecting piece of the embodiment can realize the dismounting and the up-and-down adjustment by moving the plate 4 up and down, combining and disassembling the clamping pieces 3 under the condition of not using hand tools, and is very convenient to mount. The tool-less connecting piece, the plate 4 and the rod 5 of the embodiment are independent parts, and do not need to be processed in advance, so that the production process is greatly simplified.

In other embodiments of the present invention, the rod 5 is not limited to a cylinder, but may be a square column, a prism, etc., and the opening shape of the clip 3, the shapes of the first through hole of the elastic part 1 and the second through hole of the support part 2, the outer contours of the elastic part 1 and the support part 2, and the connection port shape of the plate 4 are correspondingly arranged, so that the tool-free connection pieces with different shapes can be realized, and the connection device is suitable for connecting the plate 4 and the rod 5 in various scenes.

The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logical analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection determined by the claims.

Claims

1. A tool-less connector for connecting a plate member to a rod member, comprising:

2. The toolless connection of claim 1, wherein the inner wall of the first through bore and the inner wall of the second through bore are in smooth transition.

3. The toolless connector of claim 2, wherein the cross-sectional area of the second through-hole is equal to or greater than the cross-sectional area of the first through-hole.

4. The toolless connector of claim 3, wherein the area of the cross-section of the first through-hole increases gradually in the axial direction from the first end to the second end, and the area of the cross-section of the second through-hole increases gradually in the axial direction from the third end to the fourth end.

5. The toolless connector of claim 4, wherein a cross section of the first through-hole and a cross section of the second through-hole are circular.

6. A tool-less connection according to claim 1, wherein one or more resilient tabs (12) are provided on the resilient portion (1).

7. Tool-less connection according to claim 6, characterized in that the resilient pieces (12) are evenly distributed over the wall surface of the resilient part (1).

8. Tool-less connection according to claim 7, characterized in that gaps (13) are provided between the resilient tabs (12).

9. The tool-less connection according to claim 8, characterized in that the width of the gap (13) increases from the first end of the spring part (1) to the second end of the spring part (1).

10. A tool-less connection according to claim 1, wherein the outer wall of the first end of the resilient part (1) is provided with a protrusion (15).

11. A tool-less connection according to claim 1, wherein the third end outer wall of the support part (2) is provided with a top plate (22).

12. A tool-less connection according to claim 11, characterized in that the outer wall of the support part (2) is provided with a diagonal brace (23), which diagonal brace (23) is connected with the top plate (22).

13. A tool-less connection according to claim 12, wherein the brace (23) is arcuate in shape.

14. A tool-less connection according to any one of claims 1-13, wherein the resilient part (1) and the support part (2) are integrally formed.

15. The toolless connector of claim 14, wherein the connector is made of one of plastic, iron, aluminum alloy, and zinc alloy.

16. The toolless connection of claim 1, further comprising a clip (3), wherein the clip (3) is a hollow structure, and wherein the clip (3) has a fifth end and a sixth end that are oppositely disposed; the clamping piece (3) comprises a first half piece (31) and a second half piece (32), and the first half piece (31) and the second half piece (32) are spliced and connected; the clamping piece (3) is arranged in the first through hole and the second through hole, and the rod piece (5) penetrates through the clamping piece (3).

17. A tool-less connection according to claim 16, wherein the outer wall cross-section of the clip (3) increases from the fifth end of the clip (3) to the sixth end of the clip (3).

18. A tool-less connection according to claim 17, wherein the first half-piece (31) and the second half-piece (32) are of the same shape, the first half-piece (31) and the second half-piece (32) being connected by a protrusion (33) and a groove (34).

19. A tool-less connection according to claim 17, characterized in that the inner wall of the clip (3) is provided with an annular protruding strip (35), wherein the rod (5) has a groove into which the annular protruding strip (35) is embedded.

20. A method of connecting a plate member and a rod member using a tool-less connector, the tool-less connector comprising:

the rod (5) penetrates through the first through hole and the second through hole, and when the plate (4) and the rod (5) are connected, the elastic part (1) or the supporting part (2) applies extrusion force to the rod (5);

the tool-less connector further comprises:

the clamping piece (3) is of a hollow structure, and the clamping piece (3) is provided with a fifth end and a sixth end which are oppositely arranged; the clamping piece (3) comprises a first half piece (31) and a second half piece (32), and the first half piece (31) and the second half piece (32) are spliced and connected; the clamping piece (3) is arranged in the first through hole and the second through hole, and the rod piece (5) penetrates through the clamping piece (3);

the inner wall of the clamping piece (3) is provided with an annular protruding strip (35), wherein the rod piece (5) is provided with a groove, and the annular protruding strip (35) is embedded into the groove;

the method is characterized by comprising the following steps: