CN100572724C

CN100572724C - Plug-fastened self-locking exterior scaffold

Info

Publication number: CN100572724C
Application number: CNB2008100569197A
Authority: CN
Inventors: 成志全
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-01-28
Filing date: 2008-01-28
Publication date: 2009-12-23
Anticipated expiration: 2028-01-28
Also published as: CN101225707A

Abstract

The present invention relates to a kind of plug-fastened self-locking exterior scaffold.The draw-in groove of corresponding plug body upper surface is provided with latch hook on the clamping column lower surface of employing swivelling cover, the endless tube upper surface is provided with two low grooves along the corresponding both sides of diameter line in the socket, the upper surface of outer snap ring of corresponding two openings that are provided with and card key lay respectively on the outer interior endless tube outer wall of two low grooves, one end and the upper surface that is outer snap ring of the opening that equidistantly distributes and card key with two low groove bottom surfaces and two other at grade, the upper surface of plug body is the plane.The upper surface of plug body is provided with draw-in groove, to cooperate the latch hook on the swivelling cover, draws solid plug.The complete closed that the present invention can form card to plug, press, draw is locked, increase safe and reliable, plug is fixed fully on socket, and with spacing ring finish pressure to plug, draw its complete closed locked, and the outward force of cross bar transmits pulling force to column by plug, scaffold is not rocked, solid firm.

Description

Plug-fastened self-locking exterior scaffold

Technical field

The present invention relates to a kind of building operations scaffold, particularly relate to a kind of plug-fastened self-locking exterior scaffold.

Background technology

Normally used support system and scaffold have the fastener type steel pipe formula, multi-function door type frame type is arranged, adjustable independent steel strut formula, the support system that bowl button-type is arranged or scaffold are arranged in the building operations; The also useful lumps of wood is made stressed support system; Make support system or scaffold with aluminium wire colligation mao bamboon or round log.There are many shortcomings in these support systems or scaffold, the raw material amount is bigger, effect is low for expending of having, the fastener that has wants the workman to carry that installation, labour intensity are big, effort is time-consuming, also lose easily, the complex structure that has, cost height, damage easily, the stressed effect that has is not good, operating procedure is wayward, bring certain hidden danger to construction safety.For this reason, the inventor once designed a kind of insert card type multifunction scaffold, had overcome above-mentioned deficiency.But in fact this design can only be pressed in plug in the socket, the complete closed of can not form card to plug in socket, pressing, drawing is locked, if meet plug by outwards or when the application of force of both sides, cause plug can't transmit pulling force, the lighter causes scaffold to rock shakiness, weight person damages plug or breaks away from socket, and accident causes a hidden trouble.On the other hand, this project organization design is unreasonable, not only make trouble, and the use cost height, and also volume is overweight, and the construction effort is difficult for assembly and disassembly in the build process, and assembly and disassembly very easily causes the clashing and breaking of plug and socket, and application life is short.

Summary of the invention

The objective of the invention is to design a kind of plug-fastened self-locking exterior scaffold, make that it can form card to plug, the complete closed of pressing, drawing is locked, increase safe and reliable, have simple in structurely, assembly and disassembly is convenient, and body is light, time saving and energy saving, technological standards easily reaches, the advantage of anti-collision and long service life.

For this reason, the present invention adopts: swivelling cover, axle is located in the vertical rod between socket upper end and the spacing ring, constituted by ring body and four clamping columns that equidistantly distribute on the ring body periphery wall, each clamping column lower surface at grade, the draw-in groove of corresponding plug body upper surface is provided with latch hook on the clamping column lower surface.Wherein, the inner face of two clamping columns that are provided with along the corresponding two of diameter line flushes with the ring body external diameter, and the inner face of two clamping columns in addition flushes with the ring body internal diameter and the lower surface of these two clamping columns is convexly equipped with on the ring body lower surface;

Socket, be fixed in the vertical rod, socket is by interior endless tube, the outer snap ring of opening, card key and conical rebate constitute, four outer snap ring equidistant intervals of the opening that separates are positioned at outside the endless tube, middle wall fuses by card key and interior endless tube outer wall in the every outer snap ring of opening, space between interior endless tube outer wall and adjacent two card keys and the adjacent outer snap ring inwall of two openings surrounds the conical rebate that can insert for plug, interior endless tube upper surface is provided with two low grooves along the corresponding both sides of diameter line, the upper surface of outer snap ring of corresponding two openings that are provided with and card key lay respectively on the outer interior endless tube outer wall of two low grooves, one end and with the upper surface of two low groove bottom surfaces and outer snap ring of two other opening and card key at grade, ring breach in interior endless tube bottom in the conical rebate is provided with, the upper end of the outer snap ring of opening is an arc angle for two jiaos, and the upper and lower side outside wall of the outer snap ring of opening is inclined-plane or cambered surface;

Plug, plug is by the chassis, the outside connector that links into an integrated entity with chassis one side and constitute with the plug body that is the T font that the chassis opposite side links into an integrated entity, cross bar two ends at Len req connect plug by outside connector weldering, plug is positioned at an end of cross bar or is positioned at the two ends of cross bar, and the upper surface of plug body is the plane, and the upper surface of plug body is provided with draw-in groove, the upper end outer wall of plug body is the inclined-plane, and the dual-side of plug body is a circular arc.The said structure design has reached purpose of the present invention.

The complete closed that advantage of the present invention can form card to plug, press, draw is locked, increase safe and reliable, the present invention can make plug fix fully on socket, and with swivelling cover finish pressure to plug, draw its complete closed locked, and the outward force of cross bar transmitted pulling force to column by plug, scaffold is not rocked, solid firm.The present invention also has simple in structure, is easy to make, and cost of manufacture is low, and assembly and disassembly is convenient.Body is light, and weight only is 50% of traditional structure, can save a large amount of cast iron.Time saving and energy saving, technological standards easily reaches, and anti-collision prolongs 5 times that reach traditional structure application life.It is many also to have the jacking support function, adapts to widely, and the workman grasps easily, can accelerating construction progress, and high efficiency, highly versatile, the accessory standard, technological standards easily reaches, and is convenient to check, reduces operating expenses, and result of use is good.

Description of drawings

Fig. 1 is a locking user mode structural representation of the present invention

Fig. 2 is a unlatching user mode structural representation of the present invention

Fig. 3 is a rotary lid structure schematic diagram of the present invention

Fig. 4 is a socket schematic diagram of the present invention

Fig. 5 is a plug perspective view of the present invention

Fig. 6 is a plug side TV structure schematic diagram of the present invention

Fig. 7 is a plug backsight structural representation of the present invention

Fig. 8 is an opening structural representation of the present invention

Fig. 9 is a locking states structural representation of the present invention

The specific embodiment

As Fig. 1 to shown in Figure 2, a kind of plug-fastened self-locking exterior scaffold, main by cross bar 5, vertical rod 6 and the socket on being positioned at vertical rod, swivelling cover, spacing ring 4 and the plug that is connected with cross bar formed.Wherein:

As shown in Figure 3, swivelling cover 1, axle are located on the socket and in the vertical rod between the spacing ring, are made of ring body 12 and four clamping columns 11 that equidistantly distribute on the ring body periphery wall.Each clamping column lower surface at grade.The draw-in groove 32 of corresponding plug body upper surface is provided with latch hook 14 on the clamping column lower surface 13.The inner face of two clamping columns that are provided with along the corresponding two of diameter line flushes with the ring body external diameter, and the inner face of two clamping columns in addition flushes with the ring body internal diameter and the lower surface of these two clamping columns is convexly equipped with on ring body lower surface 15.

As shown in Figure 4, socket 2 is fixed in the vertical rod, and socket is made of interior endless tube 28, the outer snap ring 29 of opening, card key 24 and conical rebate 25.Four outer snap ring equidistant intervals of the opening that separates are positioned at outside the endless tube, middle wall fuses by card key and interior endless tube outer wall in the every outer snap ring of opening, space between interior endless tube outer wall and adjacent two card keys and the adjacent outer snap ring inwall of two openings surrounds the conical rebate that can insert for plug, conical rebate is up big and down small, with stable bag card plug.Socket adopts one-step casting to form.Interior endless tube upper surface is provided with two low grooves 21 along the corresponding both sides of diameter line, and its effect is a restriction swivelling cover slewing area.The upper surface of outer snap ring of corresponding two openings that are provided with and card key lay respectively on the outer interior endless tube outer wall of two low grooves, one end and with the upper surface of two low groove bottom surfaces and outer snap ring of two other opening and card key at grade.Ring breach 27 in interior endless tube bottom in the conical rebate is provided with is in order to reduce socket weight and to be beneficial to it and the column solid welding.The upper end of the outer snap ring of opening is an arc angle 22 for two jiaos, the upper and lower side outside wall of the outer snap ring of opening is inclined-plane or cambered surface, form ramp 23 and lower inclined plane 26, with further reduction socket weight, and increase crashworthiness, prevent the angle damage, cause socket to scrap, be more conducive to plug and insert in it along the conical rebate of arc.The tube wall of the interior endless tube of described socket is identical with the ring body pipe thickness of swivelling cover.

To shown in Figure 7, plug 3, plug are positioned at an end of cross bar or are positioned at the two ends of cross bar as Fig. 5.Plug is by chassis 38, the outside connector 36 that links into an integrated entity with chassis one side and constitute with the plug body that is the T font 34 that the chassis opposite side links into an integrated entity.The upper surface 31 of plug body is the plane.The upper surface of plug body is provided with draw-in groove 32, to cooperate the latch hook on the swivelling cover, draws solid plug.The upper end outer wall of plug body is inclined-plane 39, and the dual-side of plug body is a circular arc 33, and the angle, lower end of described plug body dual-side is a circular arc 35.Increase crashworthiness, prevent the angle damage, cause plug to scrap, be more conducive to plug and insert in it along the conical rebate of arc.Cross bar two ends at Len req connect plug by outside connector weldering, in order to connect the socket in the vertical rod by plug, connect surely for ease of both and close.Be provided with loss of weight groove 37 in the chassis of described plug.Guaranteeing under the plug intensity, to reduce its weight significantly.Two inner side edges of described conical rebate are circular arc.Be that limit, mated plug body two ends is a circular edges, the linearity that is more conducive to both inserts up and down.

Extremely shown in Figure 9 as Fig. 8, on the position that needs on the column to connect, set firmly socket, the column Upper shaft sleeve swivelling cover of socket upper end, the intrinsic spacing ring of cover in the vertical rod of swivelling cover upper end, the effect of spacing ring is that retaining is pressed swivelling cover, make swivelling cover only can between spacing ring and socket, come back rotation, and can not move up and down along vertical rod along distance in the low groove.Swivelling cover is by the four conical rebate upper end of the rotation in vertical rod or unlatching or sealing socket.

Only need during use the two ends plug on the cross bar is inserted in the tapered notch of the socket in the vertical rod, plug is inserted into desired depth, with the tapered notch of swivelling cover rotation sealing upper end, latch hook on the swivelling cover is stuck in the draw-in groove of plug body upper surface at this moment, the plug body upper surface of bearing down on one, bumping post lower surface simultaneously, when the stressed work of support system, because the interlock of the tapered notch of tapered plug body and socket, tapered plug body can not glide arbitrarily, and very fast can being inserted in the certain depth scope by designing requirement again tightens the common card that forms plug, press, the complete closed of drawing is locked.During site operation, the workman only needs dismantle whole support system or scaffold by just setting up cross bar, brace two ends and the light swivelling cover that changes, and uses efficient and conveniently, is easy to construction and especially safe and reliable.

In a word, the complete closed that can form card to plug, press, draw of the present invention is locked, increase safe and reliable, the present invention can make plug fix fully on socket, and with spacing ring finish pressure to plug, draw its complete closed locked, and the outward force of cross bar transmits pulling force to column by plug, and scaffold is not rocked, and is solid firm.Can promote the use of.

Claims

1, a kind of plug-fastened self-locking exterior scaffold, main by cross bar, vertical rod and the socket on being positioned at vertical rod, swivelling cover, spacing ring and the plug that is connected with cross bar formed, it is characterized in that:

Swivelling cover, axle is located in the vertical rod between socket upper end and the spacing ring, constituted by ring body and four clamping columns that equidistantly distribute on the ring body periphery wall, each clamping column lower surface at grade, the draw-in groove of corresponding plug body upper surface is provided with latch hook on the clamping column lower surface, wherein, the inner face of two clamping columns that are provided with along the corresponding two of diameter line flushes with the ring body external diameter, and the inner face of two clamping columns in addition flushes with the ring body internal diameter and the lower surface of these two clamping columns is convexly equipped with on the ring body lower surface;

Plug, the outside connector that plug links into an integrated entity by the chassis, with chassis one side and constitute with the plug body that is the T font that the chassis opposite side links into an integrated entity, plug is positioned at an end of cross bar or is positioned at the two ends of cross bar, the upper surface of plug body is the plane, the upper surface of plug body is provided with draw-in groove, the upper end outer wall of plug body is the inclined-plane, and the dual-side of plug body is a circular arc.

2, by the described plug-fastened self-locking exterior scaffold of claim 1, it is characterized in that: the tube wall of the interior endless tube of described socket is identical with the ring body pipe thickness of swivelling cover.

3, by the described plug-fastened self-locking exterior scaffold of claim 1, it is characterized in that: two inner side edges of described conical rebate are circular arc.

4, by the described plug-fastened self-locking exterior scaffold of claim 1, it is characterized in that: be provided with the loss of weight groove in the chassis of described plug.

5, by the described plug-fastened self-locking exterior scaffold of claim 1, it is characterized in that: the angle, lower end of described plug body dual-side is a circular arc.