TWI804132B - C-shaped groove frame combined structure - Google Patents

Abstract

A C-shaped groove frame combination structure, comprising an upper C-shaped groove and a lower C-shaped groove, each of the upper C-shaped groove and the lower C-shaped groove includes two opposite side walls, a bottom side, and a structure formed by the two side walls and the bottom A defined accommodating space is provided around the side, and the backs of the upper C-shaped groove and the lower C-shaped groove overlap each other and are respectively recessed downward toward each bottom side to form an engaging convex portion and an engaging concave portion that are butted, There is a protruding ring body extending outward around the bottom end of the engaging convex part, the protruding ring body exceeds the inner wall of the engaging protruding part, and there is an inner concave around the bottom end of the engaging concave part for the protruding ring body to snap into The edge groove, the surroundings of the bottom end of the engaging convex part and the internal surroundings of the bottom end of the engaging concave part are extruded and quickly integrated.

Description

C-shaped groove frame combined structure

The invention provides a combination structure, in particular to a C-shaped channel frame structure in which the outer surface of the joint is flat without welding and can be free of welding and painting.

Please refer to Figure 1. Generally, the industry takes the C-shaped groove made of galvanized sheet, magnesium-aluminum-zinc sheet or painted sheet as an example, and a first C-shaped groove 1 and a second C-shaped groove are used due to application requirements. 2 are stacked on their backs, and welded together at intervals on both sides. However, after the first C-shaped groove 1 and the second C-shaped groove 2 are welded, the welding bead 11 and paint etc. need to be cleaned and then cleaned. It is processed to avoid rusting easily, which increases production man-hours and costs, so it is necessary to improve.

The main purpose of the present invention is to solve the problem that the existing welded joints of two C-shaped grooves need to be cleaned, welded and painted to avoid easy rusting and increase the production man-hours and costs.

In order to achieve the above-mentioned purpose, the present invention provides a C-shaped trough combined structure, comprising an upper C-shaped trough and a lower C-shaped trough, the upper C-shaped trough and the lower C-shaped trough each include two opposite side walls, a bottom side and An accommodating space defined by the two side walls and the bottom side, the back of the upper C-shaped groove and the lower C-shaped groove overlap each other and extend downwards toward each of the bottom sides to form a butt joint. An engaging convex portion and an engaging concave portion, the bottom end of the engaging convex portion has a protruding ring body extending outwards, the protruding ring body exceeds the inner wall of the engaging convex portion, the The inner periphery of the bottom end of the engagement recess has an inner concave edge groove for the convex ring body to snap into, and the periphery of the bottom end of the engagement protrusion is relatively integrated with the inner periphery of the bottom end of the engagement recess.

Furthermore, the junction of the engaging convex portion of the upper C-shaped groove and the engaging concave portion of the lower C-shaped groove is arranged at intervals in the longitudinal direction of the upper C-shaped groove and the lower C-shaped groove.

Furthermore, the junction of the engaging convex portion of the upper C-shaped groove and the engaging concave portion of the lower C-shaped groove is square.

Furthermore, the engaging convex portion of the upper C-shaped groove and the engaging concave portion of the lower C-shaped groove are combined by extrusion.

Furthermore, the upper C-shaped groove and the lower C-shaped groove are made of galvanized sheet, magnesium-aluminum-zinc sheet or painted sheet.

Furthermore, the thickness of the upper C-shaped groove and the lower C-shaped groove is 1mm-3mm.

Through the foregoing disclosure of the present invention, compared with the existing ones, it has the following characteristics: the surroundings of the bottom end of the engaging convex part of the upper C-shaped groove of the present invention and the inner periphery of the bottom end of the engaging concave part of the lower C-shaped groove are extruded Fast integration, so that the outer surface of the junction of the upper C-shaped groove and the lower C-shaped groove is flat and without welding, and the joint convex part of the upper C-shaped groove and the joint concave part of the lower C-shaped groove are combined The locations may be arranged at intervals in the longitudinal direction of the upper C-shaped groove and the lower C-shaped groove, so that the upper C-shaped groove and the lower C-shaped groove have a good combination effect.

(existing)

1: The first C-shaped slot

11: Welding bead

2: Second C-shaped slot

(this invention)

3: Upper C-shaped groove

31, 41: side wall

32, 42: bottom side

33, 43: Accommodating space

34: Engagement convex part

340: around the bottom

341: convex ring body

342: inner wall

4: Lower C-shaped groove

44: Joint recess

440: around the inside of the bottom

441: inner concave edge groove

5: Forming mold

51: upper mold

511:Protrusion

512: Groove

52: Lower mold

521: Forming hole

522: Groove

523: convex wall

53: Gap

6: Trunk frame, support frame or fixed frame

7: Pipeline, wire or cable

Figure 1: It is a three-dimensional schematic diagram of the existing C-shaped groove frame combination structure.

Figure 2-1: It is a front sectional view of the upper C-shaped groove and the lower C-shaped groove of the present invention combined by stamping.

Figure 2-2: It is an enlarged schematic diagram of Part A of Figure 2-1.

Fig. 3: a front view of disposing various pipelines, electric wires or cables for the C-shaped groove frame combination structure of the present invention.

Figure 4: It is a schematic diagram of conveying the upper C-shaped groove and the lower C-shaped groove and the upper mold and the lower mold for the present invention.

Figure 5: It is a schematic front view of the upper C-shaped groove and the lower C-shaped groove of the present invention before the upper mold and the lower mold are closed.

Fig. 6: It is the front view of the upper C-shaped groove and the lower C-shaped groove of the present invention stamped through the upper mold and the lower mold.

Fig. 7: It is a top view of the upper C-shaped groove and the lower C-shaped groove of the present invention after being stamped and combined.

The following describes in detail how the structure of the present invention is combined and used in conjunction with the attached diagrams, and it should be easier to understand the purpose, technical content, characteristics and effects of the present invention.

Please refer to Fig. 2-1 to Fig. 3, the present invention is a combination structure of C-shaped groove frame, comprising an upper C-shaped groove 3 and a lower C-shaped groove 4, the upper C-shaped groove 3 and the lower C-shaped groove Each groove 4 includes two opposite side walls 31, 41, a bottom side 32, 42 and an accommodating space 33, 43 defined by the two side walls 31, 41 and the bottom side 32, 42. The upper C-shaped The backs of the groove 3 and the lower C-shaped groove 4 overlap each other and are respectively recessed downwards toward the bottom sides 32, 42 to form an engaging convex portion 34 and an engaging concave portion 44 that are butted, wherein the engaging convex portion 34 The periphery 340 of the bottom end has a protruding ring body 341 extending outwards, and the protruding ring body 341 exceeds the inner wall 342 of the engaging convex portion 34 , and the inner periphery 440 of the bottom end of the engaging concave portion 44 has a protruding ring body 341 for snapping into. The inner concave edge groove 441 of the engaging convex portion 34 and the inner surrounding 440 of the bottom end of the engaging concave portion 44 can be relatively integrated.

Please refer to Fig. 4 to Fig. 6, the upper C-shaped groove 3 and the lower C-shaped groove 4 of the present invention are made of galvanized sheet, magnesium-aluminum-zinc sheet or baking varnish sheet, and the upper C-shaped groove 3 and The thickness of this lower C-type groove 4 is 1mm～3mm, is best with 2mm. When the joint protrusion 34 of the upper C-shaped groove 3 is combined with the extrusion molding of the joint concave portion 44 of the lower C-shaped groove 4, the following will be explained: first, the upper C-shaped groove 3 The bottom side 32 and the bottom side 42 of the lower C-shaped groove 4 are stacked with their backs, and a molding die 5 is utilized to extrude an upper die 51 and a lower die 52. The protruding body 511 and a groove 512 inside the protruding body 511 and lower in height than the protruding body 511 . The lower mold 52 is provided with a forming hole 521 corresponding to the opposite end surface of the upper mold 51, A groove 522 and a raised wall 523 inside the groove 522 and higher than the groove 522 are formed around the bottom of the forming hole 521, and the protrusion 511 of the upper mold 51 is in a square shape. , the molding hole 521 of the lower mold 52 is a square molding hole, and a gap 53 for the upper C-shaped groove 3 and the lower C-shaped groove 4 is formed between the upper mold 51 and the lower mold 52 , and the gap 53 between the upper mold 51 and the lower mold 52 is 2 mm to 3 mm. Thus, by the forming die 5, the bottom side 42 of the lower C-shaped groove 4 is pressed downward by the protrusion 511 of the upper mold 51, so that the bottom side 42 of the lower C-shaped groove 4 Squeeze into the forming hole 521 provided by the lower mold 52 and the groove 522 around the bottom of the forming hole 521 to extend to form the engagement recess 44, and the bottom side 32 of the upper C-shaped groove 3 is subjected to the The protruding body 511 of the upper mold 51 is pressed downwards to extend to form the engagement protrusion 34 , and at the same time, the periphery 340 of the bottom end of the engagement protrusion 34 is pushed outward into the engagement recess 44 of the lower C-shaped groove 4 440 around the inside of the bottom end of the upper C-shaped groove 3, and the thickness of the engaging convex portion 34 of the upper C-shaped groove 3 and the engagement concave portion 44 of the lower C-shaped groove 4 are directed towards the gap between the upper mold 51 and the lower mold 52. Set in the gap 53, so that the bottom periphery 340 of the engaging convex portion 34 of the upper C-shaped groove 3 is combined with the bottom inner periphery 440 of the engaging concave portion 44 of the lower C-shaped groove 4 (as in the second -1 figure and shown in the 2-2 figure), make the outer surface of the junction between the upper C-shaped groove 3 and the lower C-shaped groove 4 need no flat surface welded, so that the upper C-shaped groove 3 and the lower C-shaped groove 3 The C-shaped groove 4 has a good bonding effect, and it is to improve the existing contact position between the first C-shaped groove 1 and the second C-shaped groove 2 after welding, and between the first C-shaped groove 1 and the second C-shaped groove 2 The welding place of the second C-shaped groove 2 needs to be reprocessed by cleaning the weld bead 11 and paint to avoid rusting easily, which increases the production man-hours and costs.

Referring back to Fig. 7, the junction of the engaging convex portion 34 of the upper C-shaped groove 3 and the engaging concave portion 44 of the lower C-shaped groove 4 is located between the upper C-shaped groove 3 and the lower C-shaped groove 3. The longitudinal direction of the groove 4 is arranged at intervals, and the best embodiment of the junction of the engaging convex portion 34 of the upper C-shaped groove 3 and the engaging concave portion 44 of the lower C-shaped groove 4 of the present invention is square type, its shape is not limited accordingly.

See also shown in the 3rd figure again, it is that when the upper C-shaped groove 3 of the present invention and this lower C-shaped groove 4 are combined firmly, it can directly form the required shape of the trunking frame, support frame or fixed frame 6 and has a good The associativity, in this In the embodiment, the trunking frame 6 is used as an illustration: the trunking frame 6 can conveniently provide builders with indoor and outdoor wiring of various pipelines, electric wires or cables 7 without confusion, so that all the various pipes The wires, wires or cables 7 are configured to be completely covered by the wire slot frame 6 and support the construction work positioned on the user's predetermined wiring path. The construction is easy and labor-saving, and can completely avoid various pipelines, wires or cables 7. Excessive pressure bursts, so that various pipelines, electric wires or cables 7 can achieve advantages such as convenient wiring.

However, the foregoing is only a preferred embodiment of the present invention, and its purpose is to enable those skilled in the art to understand the content of the present invention and implement it accordingly, and is not intended to limit the scope of the present invention. Therefore, all equivalent changes or modifications based on the shape, structure and features described in the application scope of the present invention shall be included in the patent application scope of the present invention.

3: Upper C-shaped groove

31, 41: side wall

32, 42: bottom side

33, 43: Accommodating space

34: Engagement convex part

340: around the bottom

341: convex ring body

342: inner wall

4: Lower C-shaped groove

44: Joint recess

440: around the inside of the bottom

441: inner concave edge groove

6: Trunk frame, support frame or fixed frame

Claims (6)

A C-shaped groove frame combination structure, comprising an upper C-shaped groove and a lower C-shaped groove, each of the upper C-shaped groove and the lower C-shaped groove includes two opposite side walls, a bottom side, and a structure formed by the two side walls and the bottom A defined accommodating space is provided around the side, and the backs of the upper C-shaped groove and the lower C-shaped groove overlap each other and are respectively recessed downward toward each bottom side to form an engaging convex portion and an engaging concave portion that are butted, There is a protruding ring body extending outward around the bottom end of the engaging convex part, the protruding ring body exceeds the inner wall of the engaging protruding part, and there is an inner concave around the bottom end of the engaging concave part for the protruding ring body to snap into The edge groove, the periphery of the bottom end of the engaging convex part is relatively integrated with the inner periphery of the bottom end of the engaging concave part. The C-shaped groove frame combination structure as described in claim 1, wherein, the junction of the engaging convex portion of the upper C-shaped groove and the engaging concave portion of the lower C-shaped groove is located between the upper C-shaped groove and the lower C-shaped groove The longitudinal direction of the C-shaped grooves is arranged at intervals. The C-shaped groove frame combination structure as claimed in claim 2, wherein, the junction of the engaging convex portion of the upper C-shaped groove and the engaging concave portion of the lower C-shaped groove is square. The C-shaped channel frame combination structure as claimed in claim 1, wherein the engaging convex portion of the upper C-shaped channel and the engaging concave portion of the lower C-shaped channel are combined by extrusion. The C-shaped trough frame combination structure as claimed in claim 1, wherein the upper C-shaped trough and the lower C-shaped trough are made of galvanized sheet, magnesium-aluminum-zinc sheet or baked-painted sheet. The C-shaped groove-frame combination structure as described in Claim 1, wherein the thickness of the upper C-shaped groove and the lower C-shaped groove is 1 mm to 3 mm.

Images