CN105387041A - Connection structure for high-strength concave-convex groove square tubes or round tubes - Google Patents

Connection structure for high-strength concave-convex groove square tubes or round tubes Download PDF

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Publication number
CN105387041A
CN105387041A CN201510935206.8A CN201510935206A CN105387041A CN 105387041 A CN105387041 A CN 105387041A CN 201510935206 A CN201510935206 A CN 201510935206A CN 105387041 A CN105387041 A CN 105387041A
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CN
China
Prior art keywords
square tube
notch
quarter bend
groove
strength
Prior art date
Application number
CN201510935206.8A
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Chinese (zh)
Inventor
魏群
Original Assignee
河南奥斯派克科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 河南奥斯派克科技有限公司 filed Critical 河南奥斯派克科技有限公司
Priority to CN201510935206.8A priority Critical patent/CN105387041A/en
Publication of CN105387041A publication Critical patent/CN105387041A/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS, WEDGES, JOINTS OR JOINTING
    • F16B7/00Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
    • F16B7/18Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements
    • F16B7/185Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements with a node element

Abstract

The invention discloses a connection structure for high-strength concave-convex groove square tubes or round tubes. The connection structure comprises the square tubes or round tubes and a corner connector. Adjustment holes are formed in a vertical plate and a horizontal plate of the corner connector respectively, overturning clamping parts are installed in the adjustment holes and comprise rectangular overturning blocks, one sides of the rectangular overturning blocks are fixedly connected with rotating screw rods, two opposite corners of each rectangular overturning block are arc chamfers, the rotating screw rods are installed in the adjustment holes in a matched and sleeved mode, and fixing nuts are installed on the rotating screw rods. According to the structure, the square tubes or round tubes serve as main connection bodies, fast and stable connection is realized through the corner connector, the construction speed is high, and the effect is good. A sunken notch formed in a bent mode is formed in each side surface of the high-strength concave-convex groove square tubes or round tubes, an internal slide way formed in a bent mode is arranged in each notch in the same direction as the notches, the width of the internal slide ways is greater than that of the notches, the inertia moment can be greatly increased through the structural design, and therefore the bending strength and the torsion strength of the square tubes can be improved.

Description

High strength tongue and groove square tube or circle quarter bend linkage structure

Technical field

The present invention relates generally to the technical field of cold-pressing quality steel structural shape, specifically relates to a kind of high strength tongue and groove square tube or circle quarter bend linkage structure.

Background technique

Square steel, round steel pipe are all a kind of rectangular steel of hollow, are pipe fittings the most used in current engineering field.Square steel and round steel pipe not only have bending resistance, twisting strength, and its lighter in weight, are widely used in manufacturing machine part and engineering structure.Undersized square steel of the prior art and cylindrical tube are generally divided into the seamless pipe of hot rolling, seamless cold pipe, extrude seamless pipe, weld pipe, the sectional shape of pipe is exactly generally the cylindrical of routine, also there is the pipe of some other sectional shapes in recent years, but its moment of inertia does not have greatly improved, can not significantly reduce in some use amounts for the manufacture of the field steel of mechanical parts and engineering structure, for improvement too not large reducing mechanical parts and construction project deadweight, promoting intensity.

Connection in addition between existing square steel and pipe and fixing or solved by welding, because the process characteristic welding self is that connection speed is slow, the poor stability of welding quality, comparatively large by welding operation employee influence factor, common people are also difficult to operation.

Summary of the invention

In order to solve round steel pipe in prior art exist moment of inertia not high be connected the problem and shortage such as difficulty is large, the present invention proposes a kind of high strength tongue and groove square tube or circle quarter bend linkage structure.

Technological scheme of the present invention is: a kind of high strength tongue and groove square tube or circle quarter bend linkage structure, comprise and be arranged on two corner connectors meeting at square tube together or justify between quarter bend; Described corner connector comprises riser and transverse slat, and both are fixed as one and arrange connection floor, and riser and transverse slat are respectively arranged with adjustment hole, are provided with upset fastener in described adjustment hole; Described upset fastener comprises rectangle flipping block, is fixedly connected with rotary screw in rectangle flipping block side, and rectangle flipping block pair of horns is set to circular arc chamfering, and described rotary screw coupling is set in adjustment hole, and is provided with set screw nut on rotary screw; The sidewall of described square tube or circle quarter bend is provided with the caulking groove of inner wide and outer narrow, and described rectangle flipping block is positioned at caulking groove, and the width of rectangle flipping block is less than embedding width of rebate, and the length of rectangle flipping block is greater than embedding width of rebate and is less than embedding slot bottom width.

Described square tube comprises steel plate bending and surrounds four rectangular square tube sides, each square tube side is at least provided with the notch of one of bending and molding depression, is provided with the inner races that and width identical with notch direction is greater than the bending and molding of notch in each notch inside.

Described round quarter bend comprises steel plate bending and surrounds and weld the cylindrical tube structure formed, described cylindrical tube is made up of n circular arc side, the notch of a depression of bending and molding is provided with between the adjacent side of circular arc side, the inner races that and width identical with notch direction is greater than the bending and molding of notch is provided with, n >=1 in each notch inside.

Described notch comprises the bi-side be connected with square tube side, and described inner races comprises above two sides linked together, a bottom surface and two are connected respectively with the bi-side of notch.

The bi-side of described notch are connected with the lateral vertical of square tube, and two of described inner races are connected with the bi-side of notch are vertical above respectively, and inner races is square.

Four sides of described square tube have at least a side to be provided with the attachment weld of steel plate in being.

Four sides of described square tube have at least transition joint between two adjacent side to be attachment weld in being.

Riser and transverse slat are respectively arranged with fixed hole, and fixed hole is connected by screw in caulking groove bottom surface.

Described caulking groove bottom surface is antinode bottom surface.

The side of described connection floor is provided with bearing, bearing is provided with through hole, in through hole, Matching installation has buckle pull bar, and the hook end of pull bar is articulated in the caulking groove of square tube or circle quarter bend, and the pull bar the other end is fixed on bearing by nut.

Technique effect of the present invention is:

1, the present invention adopts follow-on square tube or circle quarter bend as connection main body, and utilize corner connector to realize quick, stable connection, speed of application is fast, effective.Wherein, high strength tongue and groove square tube or circle quarter bend linkage structure, its side is provided with the notch of a depression of bending and molding, the inner races that and width identical with notch direction is greater than the bending and molding of notch is provided with in notch inside, such structural design can significantly promote this moment of inertia, thus promotes bending resistance, the twisting strength of this square tube.

Connection between the square tube of 2, this structural type in addition can adopt special connecting piece to be bolted, and the stability of quality of connection is promoted, and linkage structure is various informative, and flexibility is strong, significantly reduces the operation easier of connection procedure.

3, be corrugated plate shape in the bottom of the inner races of this circle quarter bend, further can promote the intensity of this circle quarter bend, this corrugated sheet can also promote frictional force when connecting between round quarter bend simultaneously.

4, the present invention can not only be applied to building steel structure skeleton, and as auxiliary skeleton, scaffold etc., and can be applied to machine building industry for substituting existing square tube or pipe.

5, the back side of the riser of corner connector and transverse slat can mate with square tube or circle quarter bend and fitted or be connected to square tube or justify in the caulking groove of quarter bend.Brick turning block can insert caulking groove mouth flexibly before upset, and the two end supports that brick turning block can be made longer by rotary turning block both sides wide region in caulking groove, reaches anticreep object.Rotary screw is installed set screw nut and can have traction action to brick turning block, improve connective stability further.

6, corner connector of the present invention is not only applicable to orthogonal two square tubes or justifies quarter bend or its combination, and each pipe being also applicable to mutual intersection (non-right angle) connects.

Accompanying drawing explanation

Fig. 1 is one of using state structural representation of the present invention;

Fig. 2 is the plan view of Fig. 1;

Fig. 3 is the A-A cross-sectional view of Fig. 2;

Fig. 4 is one of corner connector structural representation of the present invention;

Fig. 5 is the rear view of Fig. 4;

Fig. 6 is brick turning block structure schematic diagram in Fig. 4;

Fig. 7 is the cross-sectional structure schematic diagram of square tube in Fig. 1;

Fig. 8 is using state structural representation two of the present invention;

Fig. 9 is corner connector structural representation two of the present invention;

Figure 10 is the using state schematic diagram of Fig. 9;

Figure 11 is the cross-sectional structure schematic diagram of Figure 10;

Figure 12 is corner connector structural representation three of the present invention;

Figure 13 is the using state schematic diagram of Figure 12.

In figure, label 1a is square tube, 1b is circle quarter bend, 2 is notch, 3 is inner races, 2-1 is the side of notch, 3-1 is above inner races, 3-2 is the side of inner races, 3-3 is the bottom surface of inner races, 3-4 is the antinode bottom surface of inner races, 4 is weld seam, 5 is corner connector, 51 is riser, 52 is transverse slat, 53 for connecting floor, 54 is fixed hole, 55 is adjustment hole, 56 is riser concave arc surface, 57 is transverse slat concave arc surface, 6 is set screw nut, 7 is flipping block, 71 is brick turning block main body, 72 is rotary screw, 73 is circular arc chamfering, 74 is rib hole, 8 is bearing, 9 is buckle pull bar.

Embodiment

Embodiment one: high strength tongue and groove square tube linkage structure as shown in Figure 1-Figure 3.Corner connector 5 between two square tube 1a meeting at together.

As shown in Figure 4 and Figure 5, corner connector 5 comprises riser and transverse slat, and both are fixed as one and arrange connection floor.Riser and transverse slat are respectively arranged with adjustment hole, upset fastener is installed in described adjustment hole.Upset fastener comprises rectangle flipping block 7.Flipping block 7 pair of horns of rectangle is set to circular arc chamfering,

Be fixedly connected with rotary screw in rectangle flipping block 7 side, rotary screw coupling is set in adjustment hole, and on rotary screw, be provided with set screw nut 6.

As shown in Figure 7, the sidewall of square tube 1a is provided with the caulking groove of inner wide and outer narrow, and described rectangle flipping block 7 is positioned at caulking groove, and the width of rectangle flipping block 7 is less than caulking groove mouth 2 width, and the length of rectangle flipping block 7 is greater than caulking groove mouth 2 width and is less than embedding slot bottom width.

Described square tube 1a comprises steel plate bending and surrounds four rectangular square tube 1a sides, each square tube 1a side is at least provided with the notch 2 of one of bending and molding depression, is provided with the inner races that and width identical with notch 2 direction is greater than the bending and molding of notch 2 in each notch 2 inside.

Notch 2 comprises the bi-side be connected with square tube 1a side, and described inner races comprises above two sides linked together, a bottom surface and two are connected respectively with the bi-side of notch 2.Two of inner races are connected with the bi-side of notch 2 are vertical above respectively, and inner races is square.

Four sides of square tube 1a have at least a side to be provided with the attachment weld 4 of steel plate in being.

Embodiment two: as shown in Figure 6, on embodiment one basis, establish the rib hole of taper, be connected between rotary screw with brick turning block by rib hole at brick turning block center.

Embodiment three: see Fig. 8, on embodiment one basis, connected at turning and modify.The side of the connection floor of corner connector 5 is provided with bearing 8, bearing 8 is provided with through hole, in through hole, Matching installation has buckle pull bar 9, and the hook end of pull bar is articulated in the caulking groove of square tube 1a or circle quarter bend 1b, and the pull bar the other end is fixed on bearing 8 by nut.

In addition, caulking groove bottom surface is antinode bottom surface by the present embodiment.

Embodiment four: see Fig. 9, Figure 10 and Figure 11, and content is substantially identical with embodiment one, and something in common does not repeat, unlike: between two round quarter bend 1b meeting at together, be fixed connection by corner connector 5.

Circle quarter bend 1b comprises steel plate bending and surrounds and weld the cylindrical tube structure formed, described cylindrical tube is made up of four circular arc sides, be provided with the notch 2 of one of bending and molding depression between the adjacent side of circular arc side, be provided with the inner races that and width identical with notch 2 direction is greater than the bending and molding of notch 2 in each notch 2 inside.

Notch 2 comprises the bi-side be connected with square tube 1a side, and described inner races comprises above two sides linked together, a bottom surface and two are connected respectively with the bi-side of notch 2.Two of inner races are connected with the bi-side of notch 2 are vertical above respectively, and inner races is square.

Four sides of circle quarter bend 1b have at least a side to be provided with the attachment weld 4 of steel plate in being.

Caulking groove bottom surface is antinode bottom surface by the present embodiment.

Embodiment five: on embodiment one basis, riser and transverse slat are respectively arranged with fixed hole, fixed hole is connected by screw in caulking groove bottom surface.

Embodiment six: see Figure 12 and Figure 13, and content is substantially identical with embodiment one, and something in common does not repeat, and when crossing unlike: square tube 1a is vertical with circle quarter bend 1b, the shaped slightly of the corner connector 5 of employing changes.The riser of corner connector 5 or the back side of transverse slat are provided with fitting surface.

On the basis of above embodiment, adjust the position of its weld seam 4, four sides as the square tube as described in being adjusted to have at least a side to be provided with the attachment weld 4 of steel plate in being, can form new embodiment.

After positioning, intensity meets usage requirement to more than the present invention all tie points substantially.Recycling object for reaching, can be recycled by dismounting mode.And, when not considering recycling, can also be supplemented by spot welding mode fixing, strengthening connectivity.Under the guide of design of the present invention, to the change of notch 2 shape, and the change to slip shape, as long as its object is consistent with object of the present invention, all belong to protection scope of the present invention, do not repeat one by one at this.

Claims (10)

1. high strength tongue and groove square tube or a circle quarter bend linkage structure, comprise and be arranged on two corner connectors meeting at square tube together or justify between quarter bend; It is characterized in that: described corner connector comprises riser and transverse slat, both are fixed as one and arrange connection floor, and riser and transverse slat are respectively arranged with adjustment hole, are provided with upset fastener in described adjustment hole; Described upset fastener comprises rectangle flipping block, is fixedly connected with rotary screw in rectangle flipping block side, and rectangle flipping block pair of horns is set to circular arc chamfering, and described rotary screw coupling is set in adjustment hole, and is provided with set screw nut on rotary screw; The sidewall of described square tube or circle quarter bend is provided with the caulking groove of inner wide and outer narrow, and described rectangle flipping block is positioned at caulking groove, and the width of rectangle flipping block is less than embedding width of rebate, and the length of rectangle flipping block is greater than embedding width of rebate and is less than embedding slot bottom width.
2. high strength tongue and groove square tube according to claim 1 or circle quarter bend linkage structure, it is characterized in that: described square tube comprises steel plate bending and surrounds four rectangular square tube sides, each square tube side is at least provided with the notch of one of bending and molding depression, is provided with the inner races that and width identical with notch direction is greater than the bending and molding of notch in each notch inside.
3. high strength tongue and groove square tube according to claim 1 or circle quarter bend linkage structure, it is characterized in that: described round quarter bend comprises steel plate bending and surrounds and weld the cylindrical tube structure formed, described cylindrical tube is made up of n circular arc side, the notch of a depression of bending and molding is provided with between the adjacent side of circular arc side, the inner races that and width identical with notch direction is greater than the bending and molding of notch is provided with, n >=1 in each notch inside.
4. the high strength tongue and groove square tube according to Claims 2 or 3 or circle quarter bend linkage structure, it is characterized in that: described notch comprises the bi-side be connected with square tube side, described inner races comprises above two sides linked together, a bottom surface and two are connected respectively with the bi-side of notch.
5. high strength tongue and groove square tube according to claim 4 or circle quarter bend linkage structure, it is characterized in that: the bi-side of described notch are connected with the lateral vertical of square tube, two of described inner races are connected with the bi-side of notch are vertical above respectively, and inner races is square.
6. high strength tongue and groove square tube according to claim 4 or circle quarter bend linkage structure, is characterized in that: four sides of described square tube have at least a side to be provided with the attachment weld of steel plate in being.
7. high strength tongue and groove square tube according to claim 4 or circle quarter bend linkage structure, is characterized in that: four sides of described square tube have at least transition joint between two adjacent side to be attachment weld in being.
8. high strength tongue and groove square tube according to claim 1 or circle quarter bend linkage structure, it is characterized in that: riser and transverse slat are respectively arranged with fixed hole, fixed hole is connected by screw in caulking groove bottom surface.
9. high strength tongue and groove square tube according to claim 1 or circle quarter bend linkage structure, is characterized in that: described caulking groove bottom surface is antinode bottom surface.
10. high strength tongue and groove square tube according to claim 1 or circle quarter bend linkage structure, it is characterized in that: the side of described connection floor is provided with bearing, bearing is provided with through hole, in through hole, Matching installation has buckle pull bar, the hook end of pull bar is articulated in the caulking groove of square tube or circle quarter bend, and the pull bar the other end is fixed on bearing by nut.
CN201510935206.8A 2015-12-15 2015-12-15 Connection structure for high-strength concave-convex groove square tubes or round tubes CN105387041A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510935206.8A CN105387041A (en) 2015-12-15 2015-12-15 Connection structure for high-strength concave-convex groove square tubes or round tubes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510935206.8A CN105387041A (en) 2015-12-15 2015-12-15 Connection structure for high-strength concave-convex groove square tubes or round tubes

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002295419A (en) * 2001-04-03 2002-10-09 Tateyama Alum Ind Co Ltd Coupling tool and coupling structure for column member
CN1882753A (en) * 2003-11-18 2006-12-20 株式会社Ssc合人 Steel member installation method, and lip channel steel and metallic fixing member used for the same
CN102593728A (en) * 2012-02-24 2012-07-18 西安西能电器新技术发展有限公司 Cabinet body of high-voltage switch cabinet
CN104864258A (en) * 2015-05-07 2015-08-26 深圳优力可科技有限公司 Profile and profile assembly capable of making multi-directional connection
EP2944832A1 (en) * 2014-04-23 2015-11-18 Alusic S.r.l. Assembling system for sections
CN205298175U (en) * 2015-12-15 2016-06-08 河南奥斯派克科技有限公司 High strength tongue and groove square tube or circle quarter bend connection structure

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002295419A (en) * 2001-04-03 2002-10-09 Tateyama Alum Ind Co Ltd Coupling tool and coupling structure for column member
CN1882753A (en) * 2003-11-18 2006-12-20 株式会社Ssc合人 Steel member installation method, and lip channel steel and metallic fixing member used for the same
CN102593728A (en) * 2012-02-24 2012-07-18 西安西能电器新技术发展有限公司 Cabinet body of high-voltage switch cabinet
EP2944832A1 (en) * 2014-04-23 2015-11-18 Alusic S.r.l. Assembling system for sections
CN104864258A (en) * 2015-05-07 2015-08-26 深圳优力可科技有限公司 Profile and profile assembly capable of making multi-directional connection
CN205298175U (en) * 2015-12-15 2016-06-08 河南奥斯派克科技有限公司 High strength tongue and groove square tube or circle quarter bend connection structure

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Application publication date: 20160309

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