CN209892580U

CN209892580U - Hidden fast clamping structure

Info

Publication number: CN209892580U
Application number: CN201920766842.6U
Authority: CN
Inventors: 樊景明
Original assignee: CHONGQING LANLIN EDUCATION EQUIPMENT Co Ltd
Current assignee: CHONGQING LANLIN EDUCATION EQUIPMENT Co Ltd
Priority date: 2019-05-24
Filing date: 2019-05-24
Publication date: 2020-01-03
Anticipated expiration: 2029-05-24

Abstract

The utility model discloses a hidden quick joint structure, including the first installation main part of mutually perpendicular and second installation main part, first installation main part is hollow structure, is equipped with on the lateral wall along the hanging hole that its length direction distributes, and the upper and lower side of hanging hole includes two at least straightways or an arc segment, and the lateral wall that first installation main part corresponds the hanging hole position is connection area, the second installation main part is close to the one end tip fixed mounting of first installation main part and has adapting unit, this adapting unit's inboard with connection area suits, and can cover the hanging hole, adapting unit's inboard distribution has the card tongue that suits with the hanging hole. The utility model has the advantages that: after the connection, the appearance defect is avoided, the product is attractive, the structure of the connection part is not damaged, and the structure strength is higher.

Description

Hidden fast clamping structure

Technical Field

The utility model belongs to the technical field of the section bar is connected, concretely relates to hidden quick joint structure.

Background

A profile is generally a strip of material formed from metal by plastic working, having a cross-sectional shape and size at one end. With the intensive research on the profile technology, the profile is widely applied to the fields of furniture, medical treatment, automobiles, articles for daily use and the like.

The existing section bar connection mode mostly adopts means such as bolt connection, riveting and hanging, and is similar to products such as apartment beds and the like which take section bars as main frameworks, all section bar parts are mainly installed and connected by means of hanging pieces, namely, the hanging piece with the hanging clamping tongue is welded at the end part of one section bar, and a bayonet matched with the hanging clamping tongue is processed on the other section bar. In current pendant, the latch is usually through punching press mode integrated into one piece on the pendant, can form the hole like this on the pendant outer wall, influences pendant bulk strength, and in addition, the section bar is connected the back, is difficult to cover these holes completely to influence product appearance quality.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a hidden quick joint structure does not have appearance defect after connecting, does benefit to the product pleasing to the eye, and adapting unit structure does not receive destruction, has higher structural strength.

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

the utility model provides a hidden quick joint structure, includes mutually perpendicular's first installation main part and second installation main part, its key lies in: the first installation main part is of a hollow structure, hanging holes distributed along the length direction of the first installation main part are formed in the side wall of the first installation main part, the upper side and the lower side of each hanging hole comprise at least two straight line segments or one arc segment, the side wall, corresponding to the hanging hole, of the first installation main part is a connection area, the end part, close to the first installation main part, of the second installation main part is fixedly provided with a connecting part, the inner side of the connecting part is in shape fit with the outline of the connection area and can cover the hanging holes, and clamping tongues fit with the hanging holes are distributed on the inner side of the connecting part.

By adopting the structure, the outer side of the connecting part is welded with the second mounting main body, and the inner side of the connecting part is hung on the hanging hole of the first mounting main body through the clamping tongue, so that the fixed connection of the two mounting main bodies is realized, the connection is convenient, the assembly efficiency is high, the inner side of the connecting part covers the hanging hole after the hanging, the clamping tongue and the hanging hole are covered on the inner side of the connecting part in an all-around manner, no redundant mounting gap is exposed, no appearance defect exists, and the appearance quality of the product is good. Meanwhile, the structure of the connecting part is not damaged, and the first mounting main body and the second mounting main body have higher connecting strength.

Preferably, the method comprises the following steps: first installation main part is square pipe, and its edge position all is equipped with the chamfer, the hanging hole distributes in this chamfer position. The chamfer is arranged to be beneficial to improving the appearance of a product.

Preferably, the method comprises the following steps: the connecting area comprises a first contact surface and a second contact surface which are positioned at two ends of the hanging hole, the connecting part comprises a first supporting plate and a second supporting plate which have included angles, and the included angles between the first supporting plate and the second supporting plate are matched with the included angles between the first contact surface and the second contact surface.

Preferably, the method comprises the following steps: the clamping tongue comprises a welding part and a clamping part extending downwards from the inner end of the welding part, wherein the welding part is welded at the included angle position of the first supporting plate and the second supporting plate in a fillet welding mode. By adopting the structure, an operator can conveniently and quickly clamp the clamping part on the hanging hole, and the clamping tongue welded in the fillet welding mode also has higher connection strength.

Preferably, the method comprises the following steps: the lower extreme of joint portion is towards the direction slope of keeping away from first backup pad and second backup pad, forms the direction section, and the upper end of joint portion is the auto-lock section, the auto-lock section with the welding part is perpendicular. By adopting the structure, the clamping can be conveniently carried out, and the connection is firm after the clamping.

Preferably, the method comprises the following steps: the joint portion comprises the chamfer section that sets up along the horizontal direction to and the symmetry sets up the side card section at chamfer section both ends. By adopting the structure, the chamfer section corresponds to the chamfer, and the side clamping section corresponds to the two inner walls of the first installation main body respectively, so that the installation is convenient.

Preferably, the method comprises the following steps: the second mounting body is connected to the first support plate or the second support plate in a welded manner.

Preferably, the method comprises the following steps: and the upper end and the lower end of the edge at the intersection position of the first supporting plate and the second supporting plate shrink towards the direction close to the chamfer angle to form a closed sinking platform adaptive to the chamfer angle. Adopt above-mentioned structure, cover back on first contact surface and second contact surface respectively at first backup pad and second backup pad, seal heavy platform and can cover chamfer position and form the space to promote product appearance quality.

Compared with the prior art, the beneficial effects of the utility model are that:

adopt the utility model provides a hidden quick joint structure articulates the convenience, and assembly efficiency is high, and first backup pad and second backup pad cover respectively on first contact surface and second contact surface after articulating, and the omnidirectional covers block tongue and hanging hole at adapting unit inboard, does not have unnecessary installation gap to expose, no appearance defect, and product appearance quality is good. Meanwhile, the structure of the connecting part is not damaged, and the first mounting main body and the second mounting main body have higher connecting strength.

Drawings

FIG. 1 is a reference diagram of the use status of the present invention applied to the apartment bed;

FIG. 2 is an enlarged view of a portion of FIG. 1 at I;

FIG. 3 is a schematic view of the exploded structure of the present invention;

FIG. 4 is a schematic view of a first mounting body;

FIG. 5 is a schematic view of a structure of a connecting member;

FIG. 6 is a schematic structural view of a latch;

fig. 7 is another structure diagram of the latch tongue.

Detailed Description

The present invention will be further described with reference to the following examples and accompanying drawings.

As shown in fig. 1, 2 and 3, in the present embodiment, the frame connecting structure of the apartment bed is taken as an example, and the column 5 of the apartment bed corresponds to the second installation body 2, and the cross member 6 corresponds to the first installation body 1.

As shown in fig. 4, the first mounting body 1 is a square tube, four edges of the square tube are provided with chamfers 1d, the first mounting body 1 is provided with hanging holes 1a distributed along the length direction of the edge at two edges of any opposite angle, two adjacent side walls of the first mounting body 1 close to the hanging holes 1a are respectively a first contact surface 1b and a second contact surface 1c, one end part of the second mounting body 2 close to the first mounting body 1 is welded with a connecting part 3, the connecting part 3 comprises a first supporting plate 3a and a second supporting plate 3b with included angles, the included angles between the first supporting plate 3a and the second supporting plate 3b are equal to the included angle between the first contact surface 1b and the second contact surface 1c, latch tongues 4 are distributed between the included angles of the first supporting plate 3a and the second supporting plate 3b along the length direction of the crack, when the apartment bed is assembled, the inner side of the connecting part 3 is hung on the hanging holes 1a of the first mounting body 1 through the latch tongues 4, thereby realize the fixed connection of two installation main parts, and connect conveniently, assembly efficiency is high, and first backup pad 3a and second backup pad 3b cover respectively on first contact surface 1b and second contact surface 1c after articulating, and the omnidirectional covers latch 4 and hanging hole 1a at adapting unit 3 inboard, does not have unnecessary installation gap to expose, and no appearance defect, product appearance quality is good.

Meanwhile, the upright columns 5 and the cross beams 6 of the apartment bed are assembled and connected in the mode, the structure of the connecting part 3 is not damaged in the whole process, and compared with the traditional connecting mode that clamping tongues need to be punched on the connecting part, the connecting part has more reliable connecting strength after being assembled. Secondly, since the structure of the connecting member 3 is not damaged, the outer side surfaces of the first and

second support plates

3a and 3b are complete planes, thereby facilitating welding of the end of the second mounting body 2 to the first or

second support plate

3a or 3 b.

In this embodiment, the first mounting body 1 is a square tube with a chamfer 1d, the upper and lower sides of the formed hanging hole 1a have three straight line segments, of course, a round tube can be directly used as the first mounting body 1, and the upper and lower sides of the formed hanging hole 1a are only one arc segment.

As shown in fig. 4 and 5, the latch 4 includes a welding portion 4a having a right angle shape and a fastening portion 4b extending downward from an inner end of the welding portion 4a, and in order to increase the connection strength between the latch 4 and the connecting member 3, the welding portion 4a is welded at an included angle between the first support plate 3a and the second support plate 3b by a right angle welding. For making things convenient for in block tongue 4 hangs into hanging hole 1a smoothly, the lower extreme of the vertical direction of joint portion 4b is towards the direction slope of keeping away from first backup pad 3a and second backup pad 3b, forms direction section d, and the upper end of joint portion 4b is from locking section z, and from locking section z is perpendicular with welding part 4a, and the steadiness of connecting after the joint can be guaranteed to self-locking section z. The joint portion 4b comprises chamfer section 4b1 in the horizontal direction to and the symmetry sets up the side card section 4b2 at chamfer section 4b1 both ends, and after the product assembly, chamfer section 4b1 is corresponding with chamfer 1d, and side card section 4b2 is corresponding with two inner walls of first installation main part 1 respectively, can play easy to assemble's effect.

As shown in fig. 2 and 5, after the edge of the first mounting body 1 is provided with the chamfer 1d, and the first support plate 3a and the second support plate 3b are covered on the first contact surface 1b and the second contact surface 1c, gaps or small holes are left between the upper end and the lower end of the connecting part 3 and the chamfer of the first mounting body 1, so that the upper end and the lower end of the connecting position of the first support plate 3a and the second support plate 3b are contracted towards the direction close to the chamfer 1d to form a closed sinking platform 3c corresponding to the chamfer 1d, and the closed sinking platform 3c is formed by punching.

Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and the scope of the present invention.

Claims

1. The utility model provides a hidden quick joint structure, includes mutually perpendicular's first installation main part (1) and second installation main part (2), its characterized in that: first installation main part (1) is hollow structure, is equipped with on the lateral wall along hanging hole (1a) that its length direction distributes, and the upper and lower side of hanging hole (1a) includes two at least straightways or an arc line section, and the lateral wall that first installation main part (1) corresponds hanging hole (1a) position is the linking area, second installation main part (2) are close to the one end tip fixed mounting of first installation main part (1) and have adapting unit (3), this adapting unit (3) inboard shape with linking area's profile suits, and can cover hanging hole (1a), the inboard distribution of adapting unit (3) has block tongue (4) that suit with hanging hole (1 a).

2. The hidden quick clamping structure of claim 1, wherein: first installation main part (1) is square pipe, and its edge position all is equipped with chamfer (1d), hanging hole (1a) distributes in this chamfer (1d) position.

3. The hidden quick clamping structure of claim 2, wherein: the connection region comprises a first contact surface (1b) and a second contact surface (1c) which are positioned at two ends of the hanging hole (1a), the connection part (3) comprises a first support plate (3a) and a second support plate (3b) which have included angles, and the included angles between the first support plate and the second support plate are adapted to the included angles between the first contact surface (1b) and the second contact surface (1 c).

4. The hidden quick clamping structure of claim 3, wherein: the clamping tongue (4) comprises a welding part (4a) and a clamping part (4b) extending downwards from the inner end of the welding part (4a), wherein the welding part (4a) is welded at the included angle position of the first supporting plate (3a) and the second supporting plate (3b) in an angle welding mode.

5. The hidden quick clamping structure of claim 4, wherein: the lower extreme of joint portion (4b) is towards the direction slope of keeping away from first backup pad (3a) and second backup pad (3b), forms direction section (d), and the upper end of joint portion (4b) is from locking section (z), from locking section (z) with welding part (4a) are perpendicular.

6. The hidden quick clamping structure of claim 5, wherein: the clamping part (4b) consists of a chamfer section (4b1) arranged along the horizontal direction and side clamping sections (4b2) symmetrically arranged at two ends of the chamfer section (4b 1).

7. The hidden quick clamping structure according to any one of claims 3 to 6, wherein: the second mounting body (2) is connected to the first support plate (3a) or the second support plate (3b) by welding.

8. The hidden quick clamping structure according to any one of claims 3 to 6, wherein: the upper end and the lower end of the edge at the intersection position of the first supporting plate (3a) and the second supporting plate (3b) contract towards the direction close to the chamfer angle (1d) to form a closed sinking platform (3c) adaptive to the chamfer angle (1 d).

9. The hidden quick clamping structure of claim 8, wherein: the closed sinking platform (3c) is processed and formed in a stamping mode.