CN208105823U - Construction extension type safety scaffold - Google Patents

Abstract

The utility model discloses construction extension type safety scaffolds, including scaffold ontology, scaffold ontology includes the first outer bar, the first cavity is equipped in first outer bar, and first is equipped with the first interior bar in cavity, the top of first interior bar passes through the top of the first cavity and extends outwardly, the bottom of first interior bar is equipped with threaded hole, rolling bearing is embedded on the left of first outer bar, bull stick is arranged in rolling bearing, the left end of bull stick passes through the right side of the first outer bar and extends internally, and the left end of bull stick is fixedly connected with the first helical gear, first helical gear is engaged with the second helical gear, second helical gear lower rotation is connected with third support rod, the bottom of third support rod is fixedly connected with the bottom of the first cavity, second helical gear top is fixedly connected with threaded rod.The utility model is easy to operate, can facilitate the length for adjusting scaffold, while can facilitate and limit bull stick, so that it will not rotate.

Description

Construction extension type safety scaffold

Technical field

The utility model relates to technical field of buildings more particularly to construction extension type safety scaffolds.

Background technique

Scaffold is divided by the position set up outer to guarantee each work progress is gone on smoothly and is set up workbench Scaffold, internal scaffolding；Timber scaffolding, bamboo scaffolding, steel pipe scaffold can be divided by material difference, be divided by structural form vertical Rod-type scaffold, door-type scaffold, swinging scaffold, suspended scaffold, chooses formula scaffold, climbs formula foot hand bridge scaffold Frame.

Existing construction safety scaffold needs to spell on scaffold when needing to construct to eminence Connect, reach the height that can be constructed, when the height of scaffold and construction height also almost when, need to find designated length Scaffold spliced, it is excessively cumbersome and inconvenient, and cost of idleness.

Utility model content

Purpose of the utility model is to solve in the prior art when the height of scaffold and construction height also almost When, the scaffold for needing to find designated length is spliced, and it is excessively cumbersome and inconvenient, and the problem of cost of idleness, and what is proposed builds Build construction extension type safety scaffold.

To achieve the goals above, the utility model uses following technical solution：

Construction extension type safety scaffold, including scaffold ontology, the scaffold ontology include outside first Bar, first outer bar is interior to be equipped with the first cavity, and the first interior bar is equipped in the first cavity, and the top of first interior bar passes through The top of first cavity simultaneously extends outwardly, and the bottom of first interior bar is equipped with threaded hole, is embedded on the left of first outer bar There is rolling bearing, bull stick is arranged in the rolling bearing, the left end of the bull stick passes through the right side of the first outer bar and inwardly prolongs It stretches, and the left end of bull stick is fixedly connected with the first helical gear, first helical gear is engaged with the second helical gear, and described second tiltedly The lower rotation of gear is connected with third support rod, and the bottom of the third support rod is fixedly connected with the bottom of the first cavity, The second helical gear top is fixedly connected with threaded rod, the bottom thread company at the top of the threaded rod and the first interior bar It connects, supporting block is fixedly connected on the left of first outer bar, the bottom of the supporting block is equipped with first support bar and second Strut, the bottom of the supporting block offer the first sliding groove being slidably connected with first support bar and second support bar, and described It is equipped with elastic telescopicing rod between one support rod and second support bar, is fixedly connected with link block at the top of the elastic telescopicing rod, The top of the link block is fixedly connected with the bottom of first sliding groove, the both ends of the elastic telescopicing rod respectively with first support bar The side opposite with second support bar is fixedly connected, and the first support bar is equipped with clamping machine close to the side of second support bar Structure.

Preferably, the clamping mechanism includes the fixed block being fixedly connected with first support bar side wall, in the fixed block Equipped with the second cavity, the first spring and fixture block are equipped in second cavity, the both ends of first spring are empty with second respectively The side wall of chamber is fixedly connected with one end of fixture block, and the other end of the fixture block passes through the side wall of cavity and extends outwardly, and described the The surface of two support rods offers through-hole corresponding with fixed block.

Preferably, sliding block, the left and right sides of first cavity are fixedly connected at left and right sides of first interior bar Offer the second sliding slot that connection is matched with sliding block.

Preferably, the elastic telescopicing rod includes the second outer bar, and the both ends of second outer bar offer third cavity, And second spring and the second interior bar are equipped in third cavity, the both ends of the second spring respectively with the side wall of the second cavity and the One end of two interior bars is fixedly connected, and the other end of second interior bar passes through the side wall of third cavity and extends outwardly.

Preferably, the bull stick is fixedly connected with rotating block far from one end of the first outer bar.

Compared with prior art, the utility model provides construction extension type safety scaffold, has following Beneficial effect：

1, construction extension type safety scaffold, by be provided with the first outer bar, the first interior bar, threaded rod and Bull stick rotates rotating block when needing to adjust the length of scaffold ontology, and rotating block drives bar rotation, and bull stick drives first Helical gear rotation, the first helical gear drive the rotation of the second helical gear, and the second helical gear drives threaded rod rotation, and threaded rod drives the One interior bar is moved in second sliding slot by sliding block, can facilitate the length for adjusting scaffold.

2, construction extension type safety scaffold, by being provided with supporting block, first support bar, the second support Bar, elastic telescopicing rod and clamping mechanism press first support bar and second support bar in the length for having adjusted scaffold It is mutually shifted in one sliding slot, first support bar and second support bar squeeze two the second interior bars respectively, and the second interior bar squeezes second Spring, second spring drive the second interior bar to put in the second outer bar, and fixed block stretches out the through-hole in second support bar, the first spring It pushes fixture block to be stuck on the side wall of second support bar, can facilitate and limit bull stick, so that it will not rotate.

It is not directed to part in the device to be the same as those in the prior art or can be realized by using the prior art, the utility model It is easy to operate, the length for adjusting scaffold can be facilitated, while can facilitate and limit bull stick, so that it will not rotate.

Detailed description of the invention

Fig. 1 be the utility model proposes construction extension type safety scaffold structural schematic diagram；

Fig. 2 is the sectional view along A-A of Fig. 1；

Fig. 3 be the utility model proposes construction extension type safety scaffold part B structural schematic diagram；

Fig. 4 be the utility model proposes construction extension type safety scaffold C portion structural schematic diagram；

Fig. 5 be the utility model proposes construction extension type safety scaffold fixed block structural schematic diagram.

In figure：1 scaffold ontology, 2 first outer bars, 3 first interior bars, 4 rolling bearings, 5 bull sticks, 6 first helical gears, 7 Two helical gears, 8 threaded rods, 9 supporting blocks, 10 first support bars, 11 second support bars, 12 first sliding grooves, 13 elastic telescopicing rods, 14 Link block, 15 fixed blocks, 16 first springs, 17 fixture blocks, 18 sliding blocks, 19 second sliding slots, 20 second interior bars, 21 second springs, 22 Second interior bar, 23 rotating blocks, 24 third support rods.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right", The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

Referring to Fig.1-5, construction extension type safety scaffold, including scaffold ontology 1, scaffold ontology 1 wrap The first outer bar 2 is included, the first cavity is equipped in the first outer bar 2, and be equipped with the first interior bar 3, the left and right of the first interior bar 3 in the first cavity Two sides are fixedly connected to sliding block 18, and the left and right sides of the first cavity offers the second sliding slot that connection is matched with sliding block 18 19, the first interior bar 3 can be facilitated to slide up and down, the top of the first interior bar 3 passes through the top of the first cavity and extends outwardly, described The bottom of first interior bar 3 is equipped with threaded hole, and the left side of the first outer bar 2 is embedded with rolling bearing 4, is arranged with and turns in rolling bearing 4 Bar 5, bull stick 5 are fixedly connected with rotating block 23 far from one end of the first outer bar 2, can facilitate rotation rotating block 23, a left side for bull stick 5 It holds the right side across the first outer bar 2 and extends internally, and the left end of bull stick 5 is fixedly connected with the first helical gear 6, the first helical gear 6 are engaged with the second helical gear 7, and the lower rotation of the second helical gear 7 is connected with third support rod 24, the bottom of third support rod 24 It is fixedly connected with the bottom of the first cavity, the top of the second helical gear 7 is fixedly connected with threaded rod 8, the top of threaded rod 8 and the The bottom thread of one interior bar 3 connects connection, and the left side of the first outer bar 2 is fixedly connected with supporting block 9, and the bottom of supporting block 9 is equipped with First support bar 10 and second support bar 11, the bottom of supporting block 9 offer sliding with first support bar 10 and second support bar 11 The first sliding groove 12 of dynamic connection, is equipped with elastic telescopicing rod 13, elastic telescopicing rod between first support bar 10 and second support bar 11 13 include the second outer bar 20, and the both ends of the second outer bar 20 offer third cavity, and second spring 21 is equipped in third cavity With the second interior bar 22, the both ends of second spring 21 are fixedly connected with one end of the side wall of the second cavity and the second interior bar 22 respectively, The other end of second interior bar 22 passes through the side wall of third cavity and extends outwardly, and can conveniently make first support bar 10 and second Strut 11 returns origin, and the top of elastic telescopicing rod 13 is fixedly connected with link block 14, the top of link block 14 and first sliding groove 12 bottom is fixedly connected, the both ends of elastic telescopicing rod 13 side opposite with first support bar 10 and second support bar 11 respectively It is fixedly connected, first support bar 10 is equipped with clamping mechanism close to the side of second support bar 11, and clamping mechanism includes and first The fixed block 15 that 10 side wall of strut is fixedly connected, fixed block 15 is interior to be equipped with the second cavity, is equipped with the first spring 16 in the second cavity It is fixedly connected respectively with one end of the side wall of the second cavity and fixture block 17 with the both ends of fixture block 17, the first spring 16, fixture block 17 The other end passes through the side wall of cavity and extends outwardly, and the surface of second support bar 11 offers corresponding with fixed block 15 logical Hole can facilitate and limit to bull stick 5.

In the utility model, when needing to adjust the length of scaffold ontology 1, rotating block 23 is rotated, rotating block 23 drives Bull stick 5 rotates, and bull stick 5 drives the rotation of the first helical gear 6, and the first helical gear 6 drives the rotation of the second helical gear 7, the second helical gear 7 Threaded rod 8 is driven to rotate, threaded rod 8 drives the first interior bar 3 to move in second sliding slot 19 by sliding block 18, can facilitate adjusting The length of scaffold ontology 1 presses first support bar 10 and second support bar 11 when having adjusted the length of scaffold ontology 1 It being mutually shifted in first sliding groove 12, first support bar 10 and second support bar 11 squeeze two the second interior bars 22 respectively, and second Interior bar 22 squeezes second spring 21, and second spring 21 drives the second interior bar 22 to put in the second outer bar 20, and fixed block 15 stretches out the Through-hole on two support rods 11, the first spring 16 push fixture block 17 to be stuck on the side wall of second support bar 11, and can facilitate will turn Bar 5 is limited, and so that it will not rotate.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (5)

1. construction extension type safety scaffold, including scaffold ontology (1), which is characterized in that the scaffold sheet Body (1) includes the first outer bar (2), the first cavity is equipped in first outer bar (2), and the first interior bar is equipped in the first cavity (3), the top of first interior bar (3) passes through the top of the first cavity and extends outwardly, and the bottom of first interior bar (3) is set There is threaded hole, be embedded with rolling bearing (4) on the left of first outer bar (2), is arranged with bull stick in the rolling bearing (4) (5), the left end of the bull stick (5) passes through the right side of the first outer bar (2) and extends internally, and the left end of bull stick (5) is fixedly connected Have the first helical gear (6), first helical gear (6) is engaged with the second helical gear (7), the bottom of second helical gear (7) It is rotatably connected to third support rod (24), the bottom of the third support rod (24) is fixedly connected with the bottom of the first cavity, institute It states and is fixedly connected at the top of the second helical gear (7) threaded rod (8), the top of the threaded rod (8) and the bottom of the first interior bar (3) Portion is threadedly coupled connection, is fixedly connected with supporting block (9) on the left of first outer bar (2), the bottom of the supporting block (9) is set Have a first support bar (10) and second support bar (11), the bottom of the supporting block (9) offer with first support bar (10) and The first sliding groove (12) that second support bar (11) is slidably connected is set between the first support bar (10) and second support bar (11) Flexible telescopic rod (13) is fixedly connected with link block (14) at the top of the elastic telescopicing rod (13), the link block (14) Top be fixedly connected with the bottom of first sliding groove (12), the both ends of the elastic telescopicing rod (13) respectively with first support bar (10) side opposite with second support bar (11) is fixedly connected, and the first support bar (10) is close to second support bar (11) Side is equipped with clamping mechanism.

2. construction according to claim 1 extension type safety scaffold, which is characterized in that the clamping mechanism Including the fixed block (15) being fixedly connected with first support bar (10) side wall, the second cavity, institute are equipped in the fixed block (15) State and be equipped with the first spring (16) and fixture block (17) in the second cavity, the both ends of first spring (16) respectively with the second cavity Side wall is fixedly connected with the one end of fixture block (17), and the other end of the fixture block (17) passes through the side wall of cavity and extends outwardly, institute The surface for stating second support bar (11) offers through-hole corresponding with fixed block (15).

3. construction according to claim 1 extension type safety scaffold, which is characterized in that first interior bar (3) it is fixedly connected at left and right sides of sliding block (18), the left and right sides of first cavity offers and sliding block (18) Second sliding slot (19) with connection.

4. construction according to claim 1 extension type safety scaffold, which is characterized in that the elastic telescopic Bar (13) includes the second outer bar (20), and the both ends of second outer bar (20) offer third cavity, and set in third cavity Have a second spring (21) and the second interior bar (22), the both ends of the second spring (21) respectively with the side wall of the second cavity and second One end of interior bar (22) is fixedly connected, and the other end of second interior bar (22) passes through the side wall of third cavity and extends outwardly.

5. construction according to claim 1 extension type safety scaffold, which is characterized in that the bull stick (5) One end far from the first outer bar (2) is fixedly connected with rotating block (23).