CN210369811U

CN210369811U - Stepless regulation scaffold

Info

Publication number: CN210369811U
Application number: CN201921040682.3U
Authority: CN
Inventors: 郑伟松
Original assignee: Dongguan Jinjianda Construction Co ltd
Current assignee: Dongguan Jinjianda Construction Co ltd
Priority date: 2019-07-04
Filing date: 2019-07-04
Publication date: 2020-04-21
Anticipated expiration: 2029-07-04

Abstract

The utility model relates to a stepless regulation scaffold, it includes that two symmetries set up the support and four group connect the telescoping device of two supports, telescoping device one includes first flexible pipe and nestification and is in the flexible pipe of the second in the first flexible pipe, first flexible pipe is close to the one end of the flexible pipe of second is fixed with the surface and is equipped with the screwed toper cover, the toper cover is close to the terminal surface of the flexible pipe of second is equipped with and runs through the cross type groove of toper cover lateral wall, the outside threaded connection of toper cover has the lock sleeve. The utility model has the advantages of large adjusting range and stepless adjustment.

Description

Stepless regulation scaffold

Technical Field

The utility model belongs to the technical field of building engineering's technique and specifically relates to a stepless regulation's scaffold frame is related to.

Background

The scaffold refers to various supports which are erected for workers to operate and solve vertical and horizontal transportation on a construction site and are used in places where external walls, interior decoration or high floor heights cannot be directly constructed.

Chinese patent with publication number CN207063464U discloses a scaffold for building convenient to adjust, including the construction scaffold body, the construction scaffold body includes first link body and second link body, the right side of first link body contacts with the left side of second link body, the cavity has been seted up to the inside of first link body, the left side fixedly connected with extension rod of the second link body, the left side of extension rod extends to the inside of cavity. The utility model discloses a separation between fixed block and the first fixed orifices, and the fixed connection between fixed block and the second fixed orifices realizes the regulation to the construction scaffolding body.

The above prior art solutions have the following drawbacks: the scheme can only realize the switching between the two fixed states of the scaffold in the contraction and expansion, and can not be flexibly adjusted according to the size of the construction space.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a stepless regulation's scaffold frame can be according to construction space's size, adjusts the scaffold frame to match the size with it, and the better construction space that utilizes makes scaffold frame work platform area bigger, and the person of facilitating the use activity and place construction material.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a stepless regulation scaffold, includes that two symmetries set up the support and four group's connections the telescoping device one of support, telescoping device one includes first flexible pipe and nestification the flexible pipe of second in the first flexible pipe, the one end that first flexible pipe is close to the flexible pipe of second is fixed with the surface and is equipped with the screwed toper cover, the toper cover is close to the terminal surface that the flexible pipe of second is equipped with the cross type groove that runs through the toper cover lateral wall, the outside cover of toper cover has the lock sleeve.

By adopting the technical scheme, when the width of the scaffold needs to be adjusted, the locking sleeve is driven to rotate in a direction away from the conical sleeve by utilizing the matching effect of the first locking sleeve and the first conical sleeve, the radial pressure on the first conical sleeve is reduced, the first conical sleeve expands outwards, the static friction between the first conical sleeve and the second extension pipe is reduced, the second telescopic pipe can slide in the first telescopic pipe along the axial direction, the telescopic device is adjusted to a proper length, the locking sleeve is driven to rotate in a direction approaching the conical sleeve by utilizing the matching effect of the first locking sleeve and the first conical sleeve, the first conical sleeve is subjected to radial pressure because of the cross-shaped groove, so that the conical sleeve can be contracted inwards to extrude the second extension tube, the static friction force of the conical sleeve and the second extension tube is increased and can not slide, the extension device is locked, thereby achieving the purpose of stepless adjustment of the width of the scaffold and enabling the scaffold to be adjusted to the size matched with the construction space.

The utility model discloses further set up to: four groups of supporting seats are sleeved on the supports and comprise two vertically arranged sleeves and reinforcing ribs for connecting the sleeves, and two corresponding supporting seats on the two supports are respectively sleeved at two ends of the first telescopic device.

Through adopting above-mentioned technical scheme, its sleeve pipe cup joints to the support, and another sleeve pipe cup joints in the one end of telescoping device one, reaches quick assembly disassembly's effect, sets up the strengthening rib simultaneously on the supporting seat, has strengthened the stability of supporting seat, has avoided the scaffold to warp when the atress, uses safelyr.

The utility model discloses further set up to: the supporting seat is hinged with a connecting rod through a first rotating shaft, the first rotating shaft is arranged in parallel with the support, and one ends, far away from the supporting seat, of two connecting rods corresponding to the first telescopic device are hinged through a second rotating shaft, and the two connecting rods are arranged in a staggered mode and are not located in the same plane.

By adopting the technical scheme, when the telescopic device extends, the connecting rods rotate around the rotating shaft in a direction approaching the telescopic device, and the included angle between the two connecting rods is increased; when the first telescoping device shortens, the connecting rod revolutes the axle and keeps away from a telescoping device direction earlier on and rotates, and the contained angle of two connecting rods reduces, and two articulated connecting rods and telescoping device remain the triangle-shaped structure throughout, have strengthened the stability of scaffold frame, have avoided scaffold frame to warp when the atress, and it is safer to use.

The utility model discloses further set up to: the reinforcing ribs are provided with arc-shaped grooves with the first rotating shaft as the circle center, and the connecting rods are connected to the reinforcing ribs through bolts penetrating through the arc-shaped grooves.

Through adopting above-mentioned technical scheme, loosen the bolt, the connecting rod can revolute a rotation, and the locking bolt can fixed connection pole and the angle of telescoping device one, if the lock sleeve of telescoping device one damages unable locking telescoping device length when unable fixed, inject the angle between connecting rod and the telescoping device one through the locking bolt, has ensured that telescoping device length can not change, makes the triangle-shaped of two connecting rods and telescoping device one constitution remain stable, and the scaffold frame still can normal use.

The utility model discloses further set up to: still include the telescoping device two of vertical setting, two both ends of telescoping device articulate respectively on same vertical side two are ascending in the pivot two, strutting arrangement two contains first bracing piece and nestification second bracing piece in the first bracing piece, first bracing piece is close to the one end of second bracing piece is fixed with the surface and is equipped with screwed toper cover two, toper cover two is close to the terminal surface of second bracing piece is equipped with and runs through the cross type groove of toper cover two, the outside threaded connection of toper cover two has lock sleeve two.

Through adopting above-mentioned technical scheme, when rotating the second edge screw thread of lock sleeve to being close to two directions of toper cover, toper cover two receives radial pressure, because it has cross type groove to open, so toper cover two can the internal contraction with the flexible pipe extrusion of second, both stiction increases can not slide telescoping device locking, and is articulated with two sets of connecting rods with telescoping device two, has fixed the spatial position of two sets of connecting rods, has strengthened the stability of scaffold frame.

The utility model discloses further set up to: and a hollow hexagonal prism is fixed at one end of the locking sleeve close to the second telescopic pipe.

Through adopting above-mentioned technical scheme, accessible hexagonal spanner locking reaches laborsaving purpose with unclamping the lock sleeve, uses the spanner simultaneously can lock the lock sleeve tighter, and the stiction between the flexible pipe of second and the toper cover is bigger, and locking effect is better.

The utility model discloses further set up to: four trundles with brakes are fixed at the bottom of the support.

Through adopting above-mentioned technical scheme, when removing the scaffold frame, open the truckle brake and can promote the scaffold frame and remove, press down the brake after the target position and can fix the scaffold frame, be convenient for remove.

The utility model discloses further set up to: a ladder is fixed on the side surface of the support.

Through adopting above-mentioned technical scheme, the ladder can be convenient scaffold frame from top to bottom.

To sum up, the utility model discloses a beneficial technological effect does:

1. stepless adjustment of the scaffold is realized through the first telescopic pipe, the first telescopic pipe and the locking sleeve;

2. the stability and the safety of the scaffold are enhanced by arranging the reinforcing ribs, the connecting rods which form a triangle with the telescopic pipes and the telescopic devices II;

3. the scaffold is convenient to move up and down and the scaffold is convenient to move through the ladder and the caster with the brake.

Drawings

Fig. 1 is an overall schematic view of the present invention;

FIG. 2 is a partial schematic structural view of the first expansion device of FIG. 1;

FIG. 3 is a schematic view of a portion of the support base shown in FIG. 1;

FIG. 4 is a partial schematic structural view of the connecting rod of FIG. 1;

fig. 5 is a partial structural schematic view of the second expansion device in fig. 1.

In the figure, 1, a bracket; 2. a first telescopic device; 21. a first telescopic tube; 22. a second telescopic tube; 23. a first conical sleeve; 24. a first locking sleeve; 3. a connecting rod; 4. a second expansion device; 41. a first support bar; 42. a second support bar; 43. a second conical sleeve; 44. a second locking sleeve; 5. a caster wheel; 6. a ladder; 7. a supporting seat; 8. a first rotating shaft; 9. reinforcing ribs; 10. an arc-shaped slot; 11. a second rotating shaft; 12. and (4) bolts.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, the utility model discloses a stepless regulation's scaffold, support 1, telescoping device 2, truckle 5, ladder 6, supporting seat 7 including two symmetry settings. Support 1 is last to have cup jointed supporting seat 7 and to lock through the bolt, and telescoping device 2 both ends cup joint respectively on two supporting seats 7 that correspond, and through bolt locking, ladder 6 welds on support 1 along vertical direction, and truckle 5 is fixed in support 1 bottom.

As shown in fig. 2, the first expansion device 2 includes a first expansion pipe 21, a second expansion pipe 22, a first tapered sleeve 23, and a first locking sleeve 24, the second expansion pipe 22 is sleeved in the first expansion pipe 21, the first tapered sleeve 23 having a thread on the surface is welded at one end of the first expansion pipe 21 close to the second expansion pipe 22, a through cross-shaped groove is formed in an end surface of the first tapered sleeve 23 close to the second expansion pipe 22, the first locking sleeve 24 is sleeved outside the first tapered sleeve 23 and is connected with the first tapered sleeve 23 through a thread, and a hollow hexagonal prism is fixed at one end of the first locking sleeve 24 away from the first tapered sleeve 23, and the first tapered sleeve 23 can be rotated by means of a tool in cooperation with the hexagonal prism.

As shown in fig. 3, the supporting seat 7 includes two sleeves and a reinforcing rib 9, the sleeves are vertically arranged, one sleeve is sleeved on the support 1, the other sleeve is sleeved on one end of the first telescopic device 2, the reinforcing rib 9 is provided with a rotating shaft hole and an arc-shaped groove 10 coaxial with the rotating shaft hole, one end of the connecting rod 3 close to the supporting seat 7 is flat and is provided with a hinge hole and a bolt through hole, the two connecting rods 3 at two ends of the same first telescopic device 2 are arranged in a staggered mode and are not on the same plane, one end far away from the first telescopic device 2 is hinged, the rotating shaft 8 penetrates through the hinge reinforcing rib 9 of the rotating shaft hole and the connecting rod 3 to realize the hinging of the reinforcing rib and the connecting rod, a bolt penetrates through the arc-shaped groove 10 and the bolt through hole to fix the connecting rod 3 on the reinforcing rib 9, the connecting rod 3 can rotate.

As shown in fig. 1 and 4, one end of the connecting rod 3 away from the supporting seat 7 is flat and is provided with a second rotating shaft hole, two ends of the second expansion device 4 are flat and are provided with a third rotating shaft hole, and the two connecting rods 3 at two ends of the same first expansion device 2 are hinged with the first supporting rod 41 and the second supporting rod 42 through the second rotating shaft 11.

As shown in fig. 5, the second expansion device 4 includes a first support rod 41, a second support rod 42, a second tapered sleeve 43, and a second locking sleeve 44, the second support rod 42 is sleeved in the first support rod 41, the second tapered sleeve 43 with threads on the surface is welded at one end of the first support rod 41 close to the second support rod 42, a through cross-shaped groove is formed in the end surface of the second tapered sleeve 43 close to the second support rod 42, the second locking sleeve 44 is sleeved outside the second tapered sleeve 43 and is in threaded connection with the second tapered sleeve 43, a hollow hexagonal prism is fixed at one end of the second locking sleeve 44 away from the second tapered sleeve 43, and the second tapered sleeve 43 can rotate with the aid of the cooperation of a tool and the hexagonal prism.

The working principle is as follows: when the scaffold frame is adjusted to needs, use hexagonal spanner to rotate the first 24 lock sleeves along the screw to keeping away from the first 23 directions of toper cover, the second 44 lock sleeves along the screw to keeping away from the second 43 directions rotations of toper cover, simultaneously the loosening bolt 12, the radial pressure that the toper cover second received reduces outside expansion, the flexible pipe stiction of toper cover second and second reduces, with the flexible pipe of second to keeping away from the pulling of first expansion pipe direction, an extension of telescoping device, connecting rod 3 revolutes the axle and is close to first expansion pipe direction earlier on and rotates, the contained angle between two articulated connecting rods 3 increases, the pivot is two to being close to first telescoping device direction and removes, extension of telescoping device two 4, reach the effect that the scaffold frame extends.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a stepless regulation scaffold, includes support (1) and four group connections that two symmetries set up the telescoping device (2) of support (1), its characterized in that: the first expansion device (2) comprises a first expansion pipe (21) and a second expansion pipe (22) nested in the first expansion pipe (21), the first expansion pipe (21) is close to one end of the second expansion pipe (22) is fixed with a first conical sleeve (23) with threads on the surface, the first conical sleeve (23) is close to the end surface of the second expansion pipe (22) is provided with a cross-shaped groove penetrating through the side wall of the first conical sleeve (23), and the outer side of the first conical sleeve (23) is in threaded connection with a first locking sleeve (24).

2. A stepless adjustable scaffold according to claim 1, characterized in that: four groups of supporting seats (7) are arranged on the support (1), each supporting seat (7) comprises two vertically arranged sleeves and reinforcing ribs (9) for connecting the sleeves, and the two corresponding supporting seats (7) on the two supports (1) are respectively sleeved at two ends of the first telescopic device (2).

3. A steplessly adjustable scaffolding as claimed in claim 2, wherein: the supporting seat (7) is hinged with a connecting rod (3) through a first rotating shaft (8), the first rotating shaft (8) is arranged in parallel with the support (1), and one end, far away from the supporting seat (7), of the two connecting rods (3) corresponding to the same telescopic device (2) is hinged through a second rotating shaft (11), so that the two connecting rods (3) are arranged in a staggered mode.

4. A steplessly adjustable scaffold according to claim 3, characterized in that: the reinforcing rib (9) is provided with an arc-shaped groove (10) taking the first rotating shaft (8) as a circle center, and the connecting rod (3) is connected to the reinforcing rib (9) through a bolt (12) penetrating through the arc-shaped groove (10).

5. A stepless adjustable scaffold according to claim 4, characterized in that: still two telescoping device two (4) including vertical setting, two (4) both ends of telescoping device articulate respectively on same vertical direction two sets of pivot two (11) are gone up, telescoping device two (4) include first bracing piece (41) and nestification second bracing piece (42) in first bracing piece (41), first bracing piece (41) are close to the one end of second bracing piece (42) is fixed with the surface and is equipped with screwed toper cover two (43), toper cover two (43) are close to the terminal surface of second bracing piece (42) is equipped with and runs through the cross type groove of toper cover two (43), the outside threaded connection of toper cover two (43) has lock sleeve two (44).

6. A stepless adjustable scaffold according to claim 1, characterized in that: one end of the first locking sleeve (24) close to the second telescopic pipe (22) is fixedly provided with a hollow hexagonal prism.

7. A stepless adjustable scaffold according to claim 1, characterized in that: and a caster wheel (5) with a brake is fixed at the bottom of the bracket (1).

8. A stepless adjustable scaffold according to claim 1, characterized in that: a ladder (6) is fixed on the side surface of the support (1).