CN213429031U

CN213429031U - Connecting piece

Info

Publication number: CN213429031U
Application number: CN202021950185.XU
Authority: CN
Inventors: 张�杰
Original assignee: Tangshan Shangpin Union Furniture Manufacturing Co ltd
Current assignee: Tangshan Shangpin Union Furniture Manufacturing Co ltd
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2021-06-15
Anticipated expiration: 2030-09-08

Abstract

The utility model provides a connecting piece relates to connecting piece technical field. The device comprises an upright post and a cross beam, wherein one of four side surfaces of the upright post is provided with a gourd hole, the side surface which is not adjacent to the side surface provided with the gourd hole is provided with a mounting hole, the end head of the cross beam is provided with a bolt hole, a bolt is connected with the bolt hole in advance, when the cross beam is close to the gourd hole, the bolt can extend into the upright post from the large hole end of the gourd hole, the screw rod part of the bolt can move to the small hole end of the gourd hole, a mounting tool can extend into the upright post from the mounting hole and tighten the bolt so as to fixedly connect the upright post and the cross beam, thereby realizing hidden connection, having more beautiful appearance, limiting the relative rotation between the upright post and the cross beam through the limit structure, therefore, the beams are tightly connected with the upright posts without obvious connecting gaps, all the beams and the upright posts can be disassembled, the assembly and the packaging are more convenient, and the transportation cost and the difficulty are reduced.

Description

Connecting piece

Technical Field

The utility model belongs to the technical field of the connecting piece technique and specifically relates to a connecting piece is related to.

Background

The steel frame structure in the conventional steel-wood furniture generally adopts a welding structure technology to solve the problem of connection between table legs and a cross beam, but the welding technology is used for processing a plurality of problems, such as difficulty in polishing a welded product, unsmooth polished surface and influence on the attractiveness of the product; the welding needs to be operated by professional large-scale equipment, and the requirements of general customers of factory production and construction site installation cannot be met, so that products need to be transported after factory production and installation are finished, the packaging cost of the products is high, and the occupied space for transportation is large.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a connecting piece to solve a great deal of technical problem that exists among the prior art. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a connecting piece, includes stand and crossbeam, one of them in four sides of stand has seted up the calabash hole, has seted up the calabash hole the side is not adjacent seted up the mounting hole on the side, the end department of crossbeam has seted up the bolt hole just the bolt hole is last to be connected with the bolt in advance, the crossbeam is close to when the calabash hole the bolt can be followed the macropore end in calabash hole stretches into inside just the stand the screw section of bolt can move to the aperture end in calabash hole, mounting tool can follow mounting hole department stretches into inside and screwing up of stand the bolt so that the stand with crossbeam fixed connection is in the same place, the stand with the crossbeam still restricts relative rotation between the two through limit structure.

Preferably, limit structure includes spacing hole and bellying, has the calabash hole be provided with on the side spacing hole, be provided with on the side of the end department of crossbeam the bellying, spacing hole with the shape phase-match of bellying, the crossbeam with when the stand is connected the bellying can be inserted and establish the entering spacing downthehole.

Preferably, the limiting hole is long-strip-shaped, and the protruding part is long-strip-shaped matched with the limiting hole.

Preferably, two of the four side surfaces are respectively provided with one gourd hole, and the other two of the four side surfaces are respectively provided with one mounting hole.

Preferably, the cross beam further comprises a fixing platform, and the bolt holes are formed in the fixing platform.

Preferably, the small hole end of the gourd hole comprises a first arc section and a first straight line section, and two ends of the first arc section are respectively connected with one first straight line section.

Preferably, the large hole end of the gourd hole comprises second circular arc sections and second straight line sections, one end of each first straight line section, which is far away from the first circular arc sections, is connected with one second circular arc section, and the other end of each second circular arc section is connected with one second straight line section.

Preferably, the mounting hole is circular in shape.

Preferably, the size of the screw portion of the bolt matches the size of the small hole end of the gourd hole.

Preferably, the head of the bolt has a size larger than that of the small hole end of the gourd hole.

The utility model provides a connecting piece, including stand and crossbeam, one of four sides of stand has seted up the calabash hole, set up the mounting hole on the side not adjacent with the side of having seted up the calabash hole, the end department of crossbeam has seted up the bolt hole and the bolt hole is connected with the bolt in advance, the bolt can stretch into the stand inside from the macropore end of calabash hole and the screw rod portion of bolt can move to the aperture end of calabash hole when the crossbeam is close to the calabash hole, the mounting tool can stretch into the stand inside from the mounting hole and tighten the bolt so that stand and crossbeam fixed connection together, thereby realized the recessive connection, the outward appearance is more pleasing to the eye, stand and crossbeam still restrict relative rotation between the two through limit structure, thereby make closely link to each other between crossbeam and the stand, there is not obvious joint gap, all crossbeams and stands can all dismantle, the equipment, the packing is more, the transportation cost and the difficulty are reduced, and the production efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a block diagram of an embodiment of the present invention;

FIG. 2 is a detailed view of the embodiment A (the connection between the cross beam and the upright post) of the present invention;

fig. 3 is a detail view of a gourd hole in an embodiment of the present invention;

in the figure 1, a vertical column; 11. a side surface; 12. a gourd hole; 121. a first arc segment; 122. a first straight line segment; 123. a second arc segment; 124. a second straight line segment; 13. mounting holes;

2. a cross beam; 21. bolt holes; 22. a fixed platform;

3. a limiting structure; 31. a limiting hole; 32. a raised portion.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "lateral", "length", "width", "height", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "side", and the like indicate orientations or positional relationships based on those shown in fig. 1, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being 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.

Referring to fig. 1 to 3, the present embodiment provides a connecting member, including an upright post 1 and a cross beam 2, where the upright post 1 and the cross beam 2 are both of a structure having four sides and a hollow interior, one of the four sides 11 of the upright post 1 is provided with a gourd hole 12, the gourd hole 12 is named as a gourd in shape, and has a large hole end and a small hole end close to the gourd shape, the side 11 not adjacent to the side 11 provided with the gourd hole 12 is provided with a mounting hole 13, the end of the cross beam 2 is provided with a bolt hole 21, and the bolt hole 21 is pre-connected with a bolt, that is, a screw portion of the bolt has a small length and rotates into the bolt hole 21, and a certain length is left outside the bolt hole 21, when the cross beam 2 is close to the gourd hole 12, the screw portion of the small length and the screw portion of the bolt can extend into the upright post 1 from the large hole end of the gourd hole 12 and can move to the small hole end of the gourd hole 12, can use mounting tool to stretch into stand 1 inside and screw up the bolt so that stand 1 and crossbeam 2 fixed connection together from mounting hole 13 this moment, mounting tool can use ordinary screwdriver etc. can realize the dismouting, bolt can select for use bolt forms commonly used such as hex bolts, the above-mentioned design has realized the recessive connection between crossbeam 2 and the stand 1 through adopting embedded design concept, the outward appearance is more pleasing to the eye, it is very convenient simultaneously to dismouting, stand 1 and crossbeam 2 still pass through limit structure 3 restriction relative rotation between the two, thereby make closely link to each other between crossbeam 2 and the stand 1, there is not obvious joint gap, all crossbeam 2 and stand 1 all can be dismantled, the equipment, it is more simple and convenient to pack, transportation cost and the degree of difficulty have been reduced, and the production efficiency is improved.

As an optional embodiment, the limiting structure 3 includes a limiting hole 31 and a protruding portion 32, the side 11 with the gourd hole 12 is provided with the limiting hole 31, one side edge of the end of the cross beam 2 is provided with the protruding portion 32, the limiting hole 31 matches with the protruding portion 32 in shape, when the cross beam 2 is connected with the upright post 1, the protruding portion 32 can be inserted into the limiting hole 31 and tightly connected after being inserted, and there is no connecting gap, in this embodiment, the shape of the limiting hole 31 is preferably a long strip, and the shape of the protruding portion 32 is preferably a long strip matching with the limiting hole 31.

As an optional implementation manner, two of the four side surfaces 11 are respectively provided with one gourd hole 12, and the other two of the four side surfaces 11 are respectively provided with one mounting hole 13, so that two sets of gourd holes 12 and mounting holes 13 for mounting the cross beam 2 can be formed on one upright post 1, simultaneous connection of one upright post 1 and two cross beams 2 is realized, and connection manners of the upright post 1 and the cross beams 2 are enriched.

As an optional implementation mode, the cross beam 2 further includes a fixing platform 22, the fixing platform 22 is vertically connected to four side surfaces of the cross beam 2, the bolt holes 21 are formed in the fixing platform 22, the fixing platform can be used for forming positions for the bolt holes 21, and meanwhile, the structural strength of the end of the cross beam 2 can be improved.

As an optional implementation manner, the small hole end of the gourd hole 12 includes a first circular arc section 121 and a first straight line section 122, two ends of the first circular arc section 121 are respectively connected with the first straight line section 122, the circular arc shape of the first circular arc section 121 can be matched with the shape of the screw portion of the bolt, the first straight line section 122 has a certain straight line length and can provide a space for placing the screw portion, the large hole end of the gourd hole 12 includes a second circular arc section 123 and a second straight line section 124, one end of each first straight line section 122, which is far away from the first circular arc section 121, is connected with one second circular arc section 123, the other end of each second circular arc section 123 is connected with one second straight line section 124, and the second circular arc section 123 and the second straight line section 124 can provide a space for the bolt to extend into.

As an alternative embodiment, the mounting hole 13 is circular, and the edge of the circular hole is smooth, so that various mounting tools can be inserted into the hole, and damage caused by collision between the mounting tools and the edge of the hole can be reduced.

As an alternative embodiment, the size of the screw portion of the bolt is matched with the size of the small hole end of the gourd hole 12, so that the screw portion of the bolt can be just embedded into the small hole end of the gourd hole 12, so that the bolt can be tightened to fasten the connection between the cross beam 2 and the upright post 1, and the size of the head of the bolt is larger than that of the small hole end of the gourd hole 12, so that the distance of the bolt extending into the bolt hole is limited.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A connection piece, characterized in that it comprises a post (1) and a cross-beam (2), wherein: one of the four side surfaces (11) of the upright post (1) is provided with a gourd hole (12), the side surface (11) which is not adjacent to the side surface (11) provided with the gourd hole (12) is provided with a mounting hole (13), the end of the cross beam (2) is provided with a bolt hole (21), the bolt hole (21) is pre-connected with a bolt, when crossbeam (2) is close to calabash hole (12) bolt can follow the big hole end of calabash hole (12) stretches into stand (1) is inside just the screw portion of bolt can move to the aperture end of calabash hole (12), installation tool can follow mounting hole (13) department stretches into inside stand (1) and screws up the bolt so that stand (1) with crossbeam (2) fixed connection is in the same place, the upright post (1) and the cross beam (2) are further limited to rotate relatively through a limiting structure (3).

2. The connector of claim 1, wherein: limiting structure (3) include spacing hole (31) and bellying (32), have calabash hole (12) be provided with on side (11) spacing hole (31), be provided with on the side of the end department of crossbeam (2) bellying (32), spacing hole (31) with the shape phase-match of bellying (32), crossbeam (2) with when stand (1) is connected bellying (32) can insert and establish the entering in spacing hole (31).

3. The connector of claim 2, wherein: the limiting hole (31) is in a long strip shape, and the protruding part (32) is in a long strip shape matched with the limiting hole (31).

4. The connector of claim 1, wherein: two of the four side surfaces (11) are respectively provided with one gourd hole (12), and the other two of the four side surfaces (11) are respectively provided with one mounting hole (13).

5. The connector of claim 4, wherein: crossbeam (2) still include fixed platform (22), bolt hole (21) are seted up on fixed platform (22).

6. The connector of claim 1, wherein: the small hole end of the gourd hole (12) comprises a first arc section (121) and a first straight line section (122), and two ends of the first arc section (121) are respectively connected with the first straight line section (122).

7. The connector of claim 6, wherein: the large hole end of the gourd hole (12) comprises a second circular arc section (123) and a second straight line section (124), wherein each first straight line section (122) is far away from one end of the first circular arc section (121) and is connected with one second circular arc section (123), and the other end of each second circular arc section (123) is connected with one second straight line section (124).

8. The connector of claim 1, wherein: the mounting hole (13) is circular in shape.

9. The connector of claim 1, wherein: the size of the screw rod part of the bolt is matched with the size of the small hole end of the gourd hole (12).

10. The connector of claim 1, wherein: the size of the head of the bolt is larger than that of the small hole end of the gourd hole (12).