CN210859485U

CN210859485U - Dowel

Info

Publication number: CN210859485U
Application number: CN201920933192.XU
Authority: CN
Inventors: 高贵伟
Original assignee: Tianjin Oppein Integrated Home Co ltd
Current assignee: Tianjin Oppein Integrated Home Co ltd
Priority date: 2019-06-20
Filing date: 2019-06-20
Publication date: 2020-06-26
Anticipated expiration: 2029-06-20

Abstract

The utility model discloses a dowel, which comprises a tenon part and a nail part, wherein the nail part comprises a plurality of nails, the nail tail of the nail part is connected with the tenon part, and the nail tip of the nail part inclines along the radial direction of the nail, so that the nail tip deviates from the axis of the nail; the utility model discloses a combination through tenon portion and nail portion reduces the machining precision in mortise, improves joint strength simultaneously.

Description

Dowel

Technical Field

The utility model belongs to the technical field of furniture manufacturing installation and specifically relates to a dowel.

Background

In the fields of home manufacturing, home decoration and the like in the prior art, the connection of wood parts generally adopts joggle joint, nail joint and glue joint or adopts two or more connection modes simultaneously to ensure the connection strength. For example, in the field of wooden door manufacturing, the fixing of surface decorative strips of wooden doors and wall panels is mostly carried out according to the process flows of gluing the inner surface, nailing for fixing and standing for airing. The method is simple to operate, the bonding is stable, and the method is generally accepted by the industry, but when the tenon connection is adopted, the tenon holes are pre-milled on the two connected plates in advance, the two tenon holes need to correspond to each other, the precision requirement is relatively high, and the processing requirement is high; when the grain nails are used for connection, firstly, nail holes are formed in the surface of furniture to affect the attractiveness of the furniture, and secondly, the nail holding force of the grain nails is small, and the connection strength is affected.

SUMMERY OF THE UTILITY MODEL

Problem to prior art existence, the utility model aims to provide a dowel can reduce the machining precision in mortise hole on the furniture, improves joint strength simultaneously.

In order to achieve the above purpose, the utility model discloses technical scheme as follows:

a dowel comprises a dowel part and a dowel part, wherein the dowel part comprises a plurality of nails, the nail tail of the dowel part is connected with the dowel part, and the nail point of the dowel part inclines along the radial direction of the nail, so that the nail point deviates from the axis of the nail.

Furthermore, the tenon part is made of plastic, and the nail tail of the nail part is fixed in the tenon part through thermoplastic molding.

Further, nail portion includes three nails and the head of a nail, the head of a nail is disc structure, three the even perpendicular setting of nail is in one side of the head of a nail.

Further, the nail cap is arranged at the center of the tenon part, the connecting line of the nail tail of the nail is an equilateral triangle, and the center of the equilateral triangle is coincided with the center of the tenon part.

Further, the nail point is of a bevel notch structure, and the nail point is formed by downwards extending the side face of the nail part close to the center of the tenon part.

Further, tenon portion includes the dome, the side of dome be provided with a plurality of with the recess of dome axis slope, a plurality of groove structure is the same, and is adjacent the interval of recess is the same.

Further, the groove structure is an inclined groove structure, and the inclination angle of the groove and the end face of the tenon part is 30-60 degrees.

The tenon nail is arranged, the tenon part and the nail part are combined to replace a tenon-and-mortise structure or a dowel which is independently used for connecting furniture plates in the prior art, only a tenon hole is milled on one plate, and no other tenon hole is matched with the tenon hole, so that the processing precision is reduced; the nail part is connected with the tenon part, the nail tip of the nail part is different from a traditional nail, the nail tip is not arranged on the axis of the nail, and deviates from the axis of the nail, so that after the nail is nailed into a panel, the stress of the nail tip is uneven, the nail is bent, the nail holding force of the furniture panel is increased, and the connection strength between the furniture panels is increased; the utility model discloses more ordinary tenon has saved a large amount of installation time when using, can effectively promote work efficiency.

The utility model discloses among the preferred technical scheme, evenly set up three nails under the tenon, the line of the nail tail of three nails is equilateral triangle, and the nail point of nail is the scarf structure, and the incision face is back to the central axis of tenon, and after the nail goes into furniture plate, the nail point of three nails squints to tenon center place axis department, has fully increased furniture plate's holding nail power, has promoted joint strength.

Drawings

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

fig. 2 is a usage state diagram of the present invention.

Detailed Description

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

To clearly illustrate the design concept of the present invention, the following description is made with reference to the examples.

The tenon nail comprises a tenon part and a nail part, wherein the nail part comprises a plurality of nails, the nail tails of the nails are connected with the tenon part, and the radial direction of the end faces of the nail heads of the nails inclines, so that the nail tips deviate from the axis of the nails.

The utility model discloses a setting up a dowel, through combining tenon portion and nail portion, replace using tenon riveting structure or nail alone to connect furniture plate among the prior art, use the utility model discloses when the dowel carries out the connection of furniture plate, only need mill the mortise hole on the plate of outside, the plate of inboard need not set up the mortise hole, at the joggle department of two connection plates, the nail portion nail of dowel goes into on the plate of inboard, then, the mortise of dowel goes into the mortise hole, does not need to process the mortise hole with outside part mortise hole position and diameter assorted on the plate of inboard, has reduced the degree of difficulty of processing, has reduced the machining precision; the nail point of the nail part is different from the traditional nail, the nail point is not on the axis of the nail, the nail point deviates from the axis of the nail, and after the nail is nailed into the plate, the stress of the nail point is uneven, so that the nail nailed into the inner side plate is bent, the nail holding force of the inner side furniture plate is increased, and the connection strength between the furniture plates is increased; use the utility model discloses a more ordinary tenon has saved a large amount of installation time when furniture plate is connected to the dowel, can effectively promote work efficiency.

In order to clarify the technical solution of the present invention, the following description is made in the form of specific embodiments.

Examples

As shown in fig. 1 and 2, the dowel comprises a tenon part 1 and a nail part 2, wherein the nail part 2 comprises a plurality of nails, the tail of the nail part 2 is connected with the tenon part 1, and the nail tip 2-2 of the nail part 2 is inclined along the radial direction of the nail, so that the nail tip deviates from the axis of the nail.

In the above example, the tenon part 1 and the nail part 2 are combined to replace the prior art that the furniture plates are connected by using the tenon-and-mortise structure or the dowel, and only the tenon hole is milled on one plate without matching with another tenon hole, so that the machining precision is reduced; the nail part 2 is connected with the tenon part 1, the nail tip 2-2 of the nail part 2 is different from a traditional nail, the nail tip 2-2 is not arranged on the axis of the nail, the nail tip 2-2 deviates from the axis of the nail, when the nail is nailed into a plate, the stress of the nail tip 2-2 is uneven, the nail is bent, the nail holding force of the furniture plate is increased, and the connection strength between the furniture plates is increased; the utility model discloses more ordinary tenon has saved a large amount of installation time when using, can effectively promote work efficiency.

As shown in fig. 1, in the present embodiment, the tenon portion 1 is made of thermoplastic plastics, and the connection between the tenon portion 1 and the nail portion 2 is achieved by fixing the nail tail of the nail portion 2 in the tenon portion 1 during the thermoplastic molding of the plastics. The nail part 2 comprises three nails and nail caps 2-1, the nails and the nail caps 2-1 are integrally formed, the three nails are uniformly and vertically arranged on the nail caps 2-1, the nail caps 2-1 are of disc-shaped structures, and when the tenon part 1 is formed, the disc-shaped nail caps 2-1 are fixed in the tenon part 1.

In the above example, the tenon part 1 is made of thermoplastic plastics, the disc-shaped nail cap 2-1 of the nail part 2 increases the connection strength of the nail part 2 and the tenon part 1, and when the nail part 1 is nailed downwards, the whole stress of the dowel is more uniform and the nail part is not easy to eject out of the tenon part 1.

The nail head 2-1 is fixed at the center of the tenon part 1, the connecting line of adjacent nail tails of three nails in the nail part 2 is an equilateral triangle, the center of the equilateral triangle coincides with the center of the tenon part 1, the nail tip 2-2 of the nail part 2 is of a chamfered structure, the nail tip 2-2 is formed by downward extension of the side face of the nail part close to the center of the tenon part 1, the end face of the nail tip of the nail part 2 is formed by downward extension of the nail towards the center line of the tenon part 1, the nail tip 2-2 is positioned on the angular bisector of the equilateral triangle, and the chamfered faces of the three nail tips 2-2 are back to the center line of the tenon part 1.

In the above example, after the nail is driven into the furniture board, as shown in fig. 2, the tips 2-2 of the three nails are offset to the axis of the center of the tenon 1, and when the nail length of the nail is 6cm, the nail deformation is about 0.5cm when the nail 2 of the tenon is completely driven into the common wood material; after deformation, the force of pulling out the dowel is perpendicular to the plane of the furniture plate and forms an included angle with the nailing direction of the nail part, so that the nail holding force of the furniture plate is fully increased, and the connection strength is increased.

As shown in fig. 2, the tenon portion 1 comprises a round cover, the round cover is of a cylinder-like structure, inclined threaded grooves 1-1 are uniformly formed in the side surface of the round cover, the inclination angle between the threaded grooves 1-1 and the end surface of the tenon portion 1 is 30-60 degrees, in the embodiment, the inclination angle is 60 degrees, and the threaded grooves 1-1 are mainly used for coating glue in the groove of the tenon portion 1 after the tenon portion 1 is matched and installed with a tenon hole formed in a furniture plate during installation of a dowel, and bonding the tenon portion with the furniture plate by using the glue; the inclined thread groove 1-1 can discharge redundant glue, so that the glue is uniformly distributed on the tenon part 1, the bonding strength is enhanced, meanwhile, the friction force in the pulling direction of the dowel is increased due to the arrangement of the thread groove 1-1, and the dowel is convenient to install.

It is noted that some of the structures may be selected differently than the specific examples given above. For example, the number of nails at the nail part of the utility model is not only 3, but also 4, 5, etc.; the nail point of the nail part is not necessarily of a bevel-cut structure, and can be deviated from the axis of the nail in the prior art, and the nail point is stressed unevenly to bend the nail after the nail is nailed into the furniture plate, so that the nail holding force of the furniture plate is increased; and the like, which can be made by those skilled in the art based on their basic skills based on an understanding of the inventive concept, and are not to be taken as an example herein.

Finally, it is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the spirit and scope of the invention, and these changes and modifications are to be considered as the protection scope of the invention.

Claims

1. A dowel is characterized by comprising a tenon part and a dowel part, wherein the dowel part comprises a plurality of nails, the nail tail of the dowel part is connected with the tenon part, and the nail point of the dowel part inclines along the radial direction of the nail, so that the nail point deviates from the axis of the nail.

2. The dowel of claim 1, wherein the dowel portion is plastic and the shank of the dowel portion is secured in the dowel portion by thermal forming.

3. The dowel of claim 2 wherein the shank includes three nails and a head, wherein the head is a disc-shaped structure and the three nails are uniformly and perpendicularly secured to one side of the head.

4. The dowel of claim 3, wherein the head is disposed at a center of the tongue portion, and the connection line of the nail tails of the nails is an equilateral triangle, the center of the equilateral triangle coinciding with the center of the tongue portion.

5. The dowel of claim 1 wherein the point is a chamfered structure, the point being formed by a downward extension of the side of the shank proximate the center of the shank.

6. The dowel of claim 1, wherein said dowel portion includes a dome having a plurality of grooves formed in a side surface thereof, said grooves being inclined from the axis of said dome, said grooves being of the same configuration and the spacing between adjacent grooves being the same.

7. The dowel of claim 6, wherein the groove structure is an inclined groove structure, the angle of inclination of the groove to the end face of the dowel portion being 30-60 °.