CN210976556U - Horizontal cross bar of scaffold - Google Patents

Abstract

The utility model discloses a horizontal pole of scaffold frame, including circular or square body and the plug-in components of setting at the body both ends, the plug-in components include the installation department and along the installation department radial direction outwards extend be used for connecting participating in of montant, the tip pipeline section of body is provided with presss from both sides the groove, the installation department nestification of plug-in components is in the tip inner chamber of body, it participates in the double-layered inslot of arranging the body in, its front end stretches out to the body outside, body tip pipe wall inwards bends and presses the installation department that forms the clamp and press from both sides the clamp and embrace the plug-in components, the body passes through the clamp and presss from both sides the groove and will insert fastening connection, the front end of clamp is personally submitted with the arc that circular montant extrados corresponds, adopt above-mentioned structure, the welding of traditional member has been replaced, the simplified production process, reduce the manufacturing.

Description

Horizontal cross bar of scaffold

Technical Field

The utility model relates to a building tool field, in particular to horizontal pole structure of scaffold frame.

Background

The scaffold is a working platform which is erected for ensuring that each construction process is smoothly carried out. As is well known, along with the progress of science and technology and the development of society, more and more people use the shell type steel pipe scaffold to produce in the building industry, the shell type steel pipe scaffold is formed by mutually erecting a horizontal cross rod and a vertical rod, a buckle disc is arranged on the vertical rod, and end connectors capable of being installed in the buckle disc in an inserted mode are welded at the two ends of the horizontal cross rod.

One of them traditional horizontal cross bar structure, be at the both ends welding plug-in components of body, this plug-in components have with the montant correspond connect inlay the cambered surface with peg graft participate in on the dish is buckled, the horizontal cross bar of this kind of structure, the defect that exists is, because the connection between plug-in components and the body needs the welding, not only work efficiency is low, and the environmental protection requirement that improves daily is difficult to better satisfy, in addition, this kind of welded structure, if the condition of rosin joint appears, still can have the potential safety hazard that the desoldering is deviate from between plug and the body, consequently, provide more high-efficient, safer, the horizontal cross bar of more environmental protection has become an important subject.

In addition, this patent application proposes need solve additional problem for a time and is, furtherly, in the open document that patent application number is CN201030196700.5, its end joint is mainly to be through one and be banding billet through punch press bending, make the middle part of billet buckle into the round hole, its both ends are close to the laminating each other, thereby obtain the rudiment of end joint, the billet both ends of participating in of constituteing the end joint this moment still are in free state, when end joint load atress, the both ends of billet can freely separate, when the end joint is installed on horizontal pole, horizontal pole inserts in the round hole, make round hole press from both sides behind the tight horizontal pole to weld the both ends of end joint and the contact position of round hole and horizontal pole, make end joint and horizontal pole erection forming. The end joint has various installation procedures and long processing time, welding rods are required to be used for welding and fixing the end joint, the welding cost is high, the current environmental protection requirement is improved, and a large amount of welding operation is not in line with the production environmental protection requirement gradually.

And in the in-process of dismantling the scaffold, when the end joint falls to the ground from higher scaffold, the end joint leads to the welding bead on participating in because of receiving great impact force and drops easily or not hard up for the welding constitutes freely to part at the billet both ends of participating in together, thereby leads to the end joint to damage easily, has shortened its normal life.

Disclosure of Invention

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a horizontal pole structure of scaffold frame can simplify production processes, reduces the manufacturing degree of difficulty, reduces the cost.

Furthermore, the utility model also provides a production method of the horizontal cross rod structure of scaffold frame.

According to the utility model discloses a horizontal pole of scaffold frame of first aspect embodiment, including circular or square body and the plug-in components of setting at the body both ends, the plug-in components include the installation department and along the installation department radial direction outwards extend be used for connecting participating in of montant, the tip pipeline section of body is provided with presss from both sides the groove, the installation department nestification of plug-in components is in the tip inner chamber of body, it participates in the double-layered inslot of arranging the body in, its front end stretches out to the body outside, the inside bending pressure of body tip pipe wall forms the installation department that the clamp presss from both sides the embrace plug-in components, the body passes through the clamp and presss from both sides the groove with plug-in components fastening connection, the arc that corresponds with circular montant.

According to the utility model discloses horizontal pole of scaffold frame has following beneficial effect at least: through the plug-in components nested install in the clamp of horizontal pole tip, the clamp forms the extrusion to the installation department of plug-in components and embraces the clamp to the plug-in components is under the restriction that presss from both sides the groove, and the installation department with press from both sides and embrace the device and firmly cooperate, adopt above-mentioned structure, replaced the welding of traditional member and joint, simplify production processes, reduce the manufacturing degree of difficulty, reduce cost has also avoided the environmental protection problem because the welding brings simultaneously.

According to the utility model discloses a horizontal pole of scaffold frame of some embodiments, the inner wall of clamp with the outer wall elasticity butt of installation department.

According to the utility model discloses a horizontal pole of scaffold frame of some embodiments, the clamp is by body tip pipe wall is closely bent with the installation department and is pressed, and the body closely presss from both sides with the installation department and embraces, and the clamp of body is connected fixedly with the bending deformation portion that forms on the installation department.

According to the utility model discloses a horizontal pole of scaffold frame of some embodiments, plug-in components adopt the panel beating to bend and make, and it participates in two adjacent sections of converting into of metal sheet and buckles the superpose and form, and the afterbody of converting into the section is bent the semicircle form arc portion that forms the installation department respectively, two semicircle form arc portion concatenation is constituteed the installation department.

According to the utility model discloses a horizontal pole of scaffold frame of some embodiments, participate in and offer the through-hole that is used for relative with the pinhole of montant on.

According to the utility model discloses a horizontal pole of scaffold frame of some embodiments, the leading edge bending and pressing shaping that presss from both sides the groove and keep away from the body has two relative convex parts inwards for the buckle is participated in pressing from both sides the inslot.

According to the utility model discloses a horizontal pole of scaffold frame of some embodiments, be provided with interior concave part on the clamp body, be provided with on the installation department with interior concave part complex location portion.

According to some embodiments of the present invention, the horizontal cross bar of the scaffold has 4 corner protrusions formed on the U-shaped front end surface of the clip body.

According to the utility model discloses a horizontal pole of scaffold frame of some embodiments, the body of the installation department rear side of plug-in components is fitted with a contraceptive ring and is equipped with the indent ring.

According to the utility model discloses a horizontal pole of scaffold frame of some embodiments, two semicircle arc portions between the concatenation department gapped.

By utilizing the structure, the horizontal cross rod is prevented from being manufactured by using a welding method, smokeless production is realized, production procedures are reduced, the structural quality problem caused by unstable welding process can be avoided, and the structure has the advantage of high structural strength.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is an exploded view of an embodiment of the present invention;

fig. 3 is a cross-sectional view of an embodiment of the present invention;

FIG. 4 is a schematic view of the fitting prior to unbending assembly of the insert and the tube;

fig. 5 is a schematic view of an installation state of the embodiment of the present invention;

fig. 6 is a schematic diagram of an internal structure of an embodiment of the present invention.

The plug-in connector comprises a pipe body 100, an insert 200, a clamp body 121, a clamp groove 122, a mounting portion 210, a pin 220, a through hole 221, a convex portion 123, an inner concave portion 124, a positioning portion 213, an angular protrusion 125, an arc portion 211, a gap 212, an inner concave ring 128, a vertical rod 300 and a pin hole 301.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper and lower directions, is the orientation or positional relationship shown on the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore should not be construed as limiting the present invention.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 6, a horizontal cross bar structure of a scaffold according to an embodiment of the first aspect of the present invention includes a circular or square pipe body 100 and an insert 200 installed at an end of the pipe body 100.

The insert 200 includes a mounting portion 210 and a pin 220 extending outward in a radial direction of the mounting portion for connecting to the vertical rod 300.

The end portion of the pipe body is provided with a clamping groove 122, and the clamping groove 122 is formed by cutting the two ends of the pipe body 100 respectively.

The installation part 210 of the plug-in is nested in the end inner cavity of the pipe body, the pins 220 are arranged in the clamping grooves 122 of the pipe body, the front end of each pin extends out of the pipe body, the pipe wall of the end part of the pipe body is bent inwards to form a clamp body 121 (indicated by a dotted line in the figure and indicated by a reference for a transition line of bending deformation), the clamp body 121 clamps the installation part 210 of the plug-in, the pipe body fastens and connects the plug-in 200 through the clamp body 121 and the clamping grooves 122, and the front end of the clamp body 121 is in an arc shape corresponding to the outer arc surface of the circular vertical rod 300, namely, the front end of.

Further, the inner wall of the clip body 121 elastically abuts the outer wall of the mounting portion 210, and the clip body 121 presses the mounting portion 210 of the card 200 to elastically contact the clip body 121 and the mounting portion 210, so that the clip body is firmly mounted by the elasticity between metals.

The clamp body is formed by tightly bending and pressing the pipe wall at the end part of the pipe body 100 and the mounting part 210, the pipe body 100 is tightly clamped and embraced with the mounting part 210, and the clamp body 121 of the pipe body 100 is fixedly connected with a bending and pressing deformation part formed on the mounting part 210.

Specifically, the plug-in 200 is made of metal, specifically, is made of sheet metal by bending, and the pins thereof are formed by bending and stacking two adjacent folded sections of the metal plate, the tails of the folded sections are respectively bent to form a semi-circular arc portion 211 of the mounting portion 210, and the two semi-circular arc portions 211 are spliced to form the mounting portion 210. This structure, not only cancelled the most traditional casting mode, moreover, because the position of its participating in, it is that two direct sections of bending transition are buckled the coincide and are formed, need not to carry out welded connection with two leg pieces, has strengthened the mechanical strength who participates in 220, makes scaffold installation back firm stable to installation department 210 constitutes through two arc portions 211, makes installation department 210 have elasticity, and furtherly, utilizes the elasticity between the metal to make its installation firm. In other embodiments, the mounting portion 210 may be configured in a triangular shape, a cross shape, a rectangular shape, etc., and the mounting portion 210 with the above-mentioned shape is mounted in the tube 100 in a clamped manner, a hot press bending manner, etc., all of which are within the scope of the present application.

In addition, according to the utility model discloses a horizontal pole structure of scaffold frame of some embodiments, because only the concatenation forms between the tip of two arcs 211, need not the welding, can have gapped 212. The two arc-shaped parts 211 can move in the range of the gap 212, and the gap 212 provides deformation allowance for the mounting part 210, so that excessive deformation caused by stamping is avoided, and the service life of the plug-in 200 is prolonged.

Further, in order to facilitate the assembly and fixation of the scaffold, the through holes 221 opposite to the pin holes of the vertical rods are formed in the pin 220, and in actual work, when the through holes 221 are opposite to the pin holes 301 of the vertical rods, namely, the cross rods and the vertical rods are installed in place, the production site is convenient to check and install, and safety accidents are reduced.

Furthermore, the front end edge of the clamping groove 122 far from the tube body is bent and pressed to form two inward opposite convex portions 123 for fastening the pins in the clamping groove 122. When the clamping groove 122 is pressed, the middle part is turned inwards, so that the two convex parts 123 clamp the plug-in unit 200 in a holding manner, the plug-in unit 200 is limited, and the plug-in unit 200 is prevented from being separated.

In addition to the above structure, a welding connection may be further performed between the clip groove 122 and the insert 200. It is also one of the means of the present invention to weld the two protrusions 123 to the root of the pin 220 or weld the edge of the clamping groove 122 to the pin 220, so that the connection between the tube 100 and the insert 200 is more stable.

Further, the clip body 211 may be provided with an inner recess 124, and the mounting portion 210 may be provided with a positioning portion 213 engaged with the inner recess 124. After the insert 200 is mounted in the clip body 211, the inner concave part 124 on the clip body 211 is embedded into the positioning part 213 on the outer wall of the mounting part 210 to form positioning, so that the finished insert 200 and the tube body 100 cannot deflect, the positioning precision between the insert 200 and the tube body 100 is improved, and the manufacturing quality is ensured.

Further, according to the rod structure of the scaffold of some embodiments of the present invention, the end surface of the clamp body 121 is an arc surface embedded with the arc vertical surface of the vertical rod 300, and the end surface of the clamp body 121 is provided with 4 corner protrusions 125. As shown in fig. 5, when the cross bar is mounted in butt joint with the vertical bar 300, the end surface of the clamp body 121 is attached to the side surface of the vertical bar 300, and the 4 angular protrusions 125 on the end surface of the clamp body are abutted to the side surface of the vertical bar, so that the end of the pipe body and the side surface of the vertical bar 300 do not slide, and the safety of workers during construction and use is enhanced.

In addition, further, for making the plug-in components more firm, it can not the fore-and-aft swing, have the clamp body and perhaps interior concave part, under the limiting displacement of location portion at the front end, can also encircle at the body of the installation department rear side of plug-in components and be equipped with interior concave ring 128, can carry on spacingly to the back of installation department 210, better prevent the swing.

With reference to fig. 1-4, a method for producing a horizontal cross-bar for scaffolding according to further embodiments of the present invention may include the following steps:

1) as shown in fig. 4, both ends of the tube 100 are punched to make the end cut flat, and a clamping groove 122 is punched on the side wall of the tube;

2) placing the plug-in unit 200 with the mounting part 210 and the pins 220 in the inner cavity of the end part of the tube body 100, clamping the pins 220 in the clamping grooves 122, and positioning the plug-in unit;

wherein, preferably, the insert 200 can be produced by the following preferred production method

a. Bending two ends of the strip-shaped metal sheet to form an arc-shaped part;

b. bending the middle part of the metal sheet in the step a, wherein the bending direction is the opposite direction of the two arc-shaped parts;

c. and c, stamping the metal sheet in the step b by using a stamping die, enabling the arc parts at the two ends of the metal sheet to be close to form an installation part 210, and combining the middle parts of the metal sheet into a pin 220. The pin is formed by bending and superposing two adjacent folding sections of the metal plate, the tail parts of the folding sections are respectively bent to form semicircular arc parts of the mounting part, and the two semicircular arc parts are spliced to form the mounting part.

3) The two ends of the pipe body 100 are punched, the cut of the pipe section at the end part of the pipe body 100 is inwards turned along the radial direction, the pipe wall at the end part of the pipe body 100 is inwards bent and pressed to form a clamp body 121, the clamp body clamps the installation part of the plug-in unit, the cut at the end part of the pipe body 100 is punched and deformed to form a U-shaped arc surface corresponding to the arc surface of the vertical rod 300, 4 corner protrusions 125 can be further formed on the cut, and the 4 corner protrusions 125 are tightly attached to the side surface of the vertical rod 300 at the same time, so that the end part of the cross rod and the side surface of the vertical rod 300 are free from wall sliding, and the.

Through the steps, the basic production and manufacture of the horizontal cross rod can be completed, and the horizontal cross rod and the circular or square pipe body are locked and fixed through the means of hot-press bending and the like after the plug-in piece is sleeved on the pipe body. For the manufacture of other structures, the manufacture of other structures will not be further described in detail based on the description of the aforementioned structures.

The present embodiment has been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.

Claims (10)

1. The utility model provides a horizontal cross bar of scaffold frame, is in including circular or square body and setting the plug-in components at body both ends, a serial communication port, plug-in components include the installation department and follow the radial direction of installation department outwards extends to be used for connecting participating in of montant, be provided with on the tip pipeline section of body and press from both sides the groove, plug-in components the installation department nestification is in the tip inner chamber of body, participate in and arrange in the body press from both sides the inslot, its front end to the body outside is stretched out, the inside bending pressure of body tip pipe wall forms the clamp and presss from both sides and embrace the plug-in components the installation department, the body passes through the clamp with it will to press from both sides the groove plug-in components fastening connection, the arc that corresponds with circular montant extrados is.

2. A scaffolding horizontal rail according to claim 1, wherein: the inner wall of the clamp body is elastically abutted with the outer wall of the mounting part.

3. A scaffolding horizontal rail according to claim 2, wherein: the clamp body by body tip pipe wall with the installation department is closely bent and is pressed, the body with the installation department is closely pressed from both sides and is embraced, the body the clamp body with the bending deformation portion that forms on the installation department is connected fixedly.

4. A scaffolding horizontal rail according to claim 1, wherein: the plug-in components are made by bending metal plates, the plug pins are formed by bending and superposing two adjacent folding sections of metal plates, the tail parts of the folding sections are respectively bent to form semicircular arc parts of the installation parts, and the semicircular arc parts are spliced to form the installation parts.

5. A scaffolding horizontal rail according to claim 1, wherein: the pin is provided with a through hole opposite to the pin hole of the vertical rod.

6. A scaffolding horizontal rail according to claim 1, wherein: the front end edge of the clamping groove far away from the pipe body is bent and pressed to form two inward opposite convex parts for clamping the plug pins in the clamping groove.

7. A scaffolding horizontal rail according to claim 1, wherein: the clamp body is provided with an inner concave part, and the installation part is provided with a positioning part matched with the inner concave part.

8. A scaffolding horizontal rail according to claim 1, wherein: 4 angular projections are formed on the arc-shaped front end surface of the clamp body.

9. A scaffolding horizontal rail according to claim 1, wherein: the plug-in components the installation department rear side the body is fitted with a contraceptive ring and is equipped with the indent ring.

10. A scaffolding horizontal rail according to claim 4, wherein: and a gap is reserved at the splicing position between the two semicircular arc parts.

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