CN212928395U

CN212928395U - Combined fastener

Info

Publication number: CN212928395U
Application number: CN202021694696.XU
Authority: CN
Inventors: 李平
Original assignee: Iray Technology Co Ltd
Current assignee: Iray Technology Co Ltd
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-04-09
Anticipated expiration: 2030-08-14

Abstract

The utility model relates to a combination fastener, first part and second part including mutual lock, be equipped with the edges and corners on the second part, be equipped with on the first part with edges and corners matched with edges and corners draw-in groove, the edges and corners draw-in groove includes the turning, the turning includes outer corner and locates the interior corner in the outer corner, interior corner department is equipped with the orientation the corner recess of outer corner direction. The both sides of interior corner are equipped with interior limit respectively, interior limit with circular arc transition between the corner recess. The cross section of the corner groove is arc-shaped, triangular, rectangular or trapezoidal. The first component is further provided with a groove guide inclined plane, and the groove guide inclined plane is arranged at the top of the corner groove. The utility model discloses simple structure, processing is convenient, and is with low costs, with traditional breaking the right angle department and comparing, not only leaves the fit-up gap, assemble convenient and fast more, treat moreover that the assembly part right angle department is continuous, complete, the part post-assembly product structural strength of mutual lock is big.

Description

Combined fastener

Technical Field

The utility model relates to a combination fastener belongs to right angle product assembly technical field.

Background

At present, there are more spare part products on the market for regular cuboid, the square or be the product of right angle pattern, when two or many product combination assembly, need adopt the product appearance to fix a position and assemble again, because of the product is the right angle form, the assembly part that causes to correspond also needs to be the right angle state and satisfies the demand that adopts the appearance assembly, nevertheless often can't realize absolute right angle structure because of the current processing technology of product, or adopt high cost part to realize specific occasion and process required right angle mode in the specification and cause the cost to increase substantially.

In order to avoid this situation, most of the existing methods break the right-angle structure corresponding to the product assembly to cancel the right-angle structure to avoid the above-mentioned problem, as shown in fig. 1 and 2, the existing buckled product is designed to meet the assembly requirement, but this method often causes the discontinuous integrity of the structure to greatly reduce the structural strength of the product, and causes the product to have insufficient modeling structural performance under the test of falling or impact strength.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the not enough of prior art existence, provide one kind and need not to break the right angle, positioning strength is high, and has enough space to dodge convenient assembling's combination fastener.

The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides a combination fastener, includes the first part and the second part of mutual lock, be equipped with the edges and corners on the second part, be equipped with on the first part with edges and corners matched with edges and corners draw-in groove, the edges and corners draw-in groove includes the turning, the turning includes outer corner and locates the interior corner in the outer corner, interior corner department is equipped with the orientation the corner recess of outer corner direction.

The utility model has the advantages that: the corner groove is arranged at the position corresponding to the corner of the component, so that enough clearance is reserved at the right-angle position during component assembly, and the space avoidance at the right-angle position is realized. In a word, the utility model discloses simple structure, processing is convenient, and is with low costs, with traditional breaking the right angle department and comparing, not only leave the fit-up gap, assemble convenient and fast more, treat moreover that the assembly part right angle department is continuous, complete, the part post-assembly product structural strength of mutual lock is big.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Further, the both sides of inner corner are equipped with interior limit respectively, interior limit with circular arc transition between the corner recess.

The beneficial effect who adopts above-mentioned further scheme is, not only take the edges and corners recess to dodge in edges and corners position, still with the problem of stress concentration when the circular arc transition is in order to avoid lodging, die casting technology in addition in the both sides of edges and corners recess.

Furthermore, the cross section of the corner groove is arc-shaped, triangular, rectangular or trapezoidal.

The beneficial effect who adopts above-mentioned further scheme is that, can select the recess shape of suitable shape as required, as long as satisfy and do not change appearance location intensity, enough clearance can when reserving the second part upper edge angle assembly again.

Furthermore, a groove guide inclined plane is further arranged on the first component and is arranged at the top of the corner groove.

Adopt above-mentioned further scheme's beneficial effect to be, increased groove direction inclined plane in the assembly direction of second part, realize the transitional fitting of product, can be accurate and quick make the second part assemble to first part on.

Furthermore, still be equipped with limit direction inclined plane on the first part, limit direction inclined plane sets up the top on the interior limit.

The adoption of the further scheme has the beneficial effects that the straight edges of the parts can be guided in the process of assembling the second part and the first part, and the assembly efficiency of the parts is improved.

Further, the outer corner is of a circular arc structure.

The further scheme has the advantages that the processing is convenient, and the outer corner is not easy to damage.

Drawings

FIG. 1 is a schematic structural view of a prior art component before assembly;

FIG. 2 is a schematic view of an assembled prior art component;

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

fig. 4 is a schematic structural view of a first component of the present invention;

FIG. 5 is an enlarged view of a portion of the corner groove at A of FIG. 4;

in the figure, 1, the first part; 11. an outer corner; 12. a corner groove; 13. a circular arc; 14. an inner side; 15. a slot guide ramp; 16. an edge guide slope; 2. a second component; 21. and (6) corner angles.

Detailed Description

The principles and features of the present invention are described below in conjunction with examples, which are set forth only to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 3-5, a combined fastener comprises a first component 1 and a second component 2 which are mutually buckled, wherein an edge 21 is arranged on the second component, an edge slot matched with the edge is arranged on the first component, the edge slot comprises a corner, the corner comprises an outer corner 11 and an inner corner arranged in the outer corner, and a corner groove 11 facing to the direction of the outer corner is arranged at the inner corner.

The both sides of interior corner are equipped with interior limit 14 respectively, interior limit with circular arc 13 transition between the corner recess. Not only take the edges and corners recess to dodge in edges and corners position, still with the problem of stress concentration when the circular arc transition is in order to avoid lodging, die-casting technology in the both sides of edges and corners recess moreover.

The cross section of the corner groove is arc-shaped, triangular, rectangular or trapezoidal. The shape of the groove with a proper shape can be selected according to requirements, and as long as the requirement that the shape positioning strength is not changed is met, enough clearance can be reserved when the upper edge angle of the second part is assembled.

The first component is also provided with a groove guide inclined plane 15, and the groove guide inclined plane is arranged at the top of the corner groove. The groove guide inclined plane is additionally arranged in the assembling direction of the second component, so that the product is transitionally assembled, and the second component can be accurately and quickly assembled on the first component.

The first component is also provided with an edge guide inclined plane 16, and the edge guide inclined plane is arranged at the top of the inner edge. The straight edges of the parts can be guided in the process of assembling the second part and the first part, and the assembling efficiency of the parts is improved.

The outer corner is of a circular arc structure. The processing is convenient, and the outer corner is not easy to damage.

The straight angle structure is dodged with the edges and corners groove structure, both sides are supplementary to be passed through with the R angle in order to avoid the stress concentration problem when moulding plastics, die casting technology, increase the transition assembly that direction C angle realized the product in the product assembly direction simultaneously, can be used to conventional right angle product and need utilize the product appearance to carry out the structural style of location, realize realizing the straight angle space dodge under the condition that does not increase fixed structure spare, does not change appearance positioning strength, need not break the straight angle structure department and reach required locate mode and save the cost.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a combination fastener, includes the first part and the second part of mutual lock, its characterized in that, be equipped with the edges and corners on the second part, be equipped with on the first part with edges and corners matched with edges and corners draw-in groove, the edges and corners draw-in groove includes the turning, the turning includes outer corner and locates the interior corner in the outer corner, interior corner department is equipped with the orientation the corner recess of outer corner direction.

2. The combination fastener of claim 1, wherein the inner corner has inner edges on both sides thereof, and the inner edges are in arc transition with the corner grooves.

3. A combination fastener according to claim 1 or 2, wherein the corner recess is arcuate, triangular, rectangular or trapezoidal in cross-section.

4. A combination fastener according to claim 1 or 2, wherein the first part is further provided with a slot guide ramp disposed at the top of the corner recess.

5. A combination fastener according to claim 3, wherein the first member is further provided with a slot guide ramp disposed at the top of the corner recess.

6. A combination fastener according to claim 2, wherein the first member is further provided with an edge guide ramp disposed at the top of the inner edge.

7. The combination fastener of claim 1, wherein the outer corner is a rounded structure.