CN2872051Y

CN2872051Y - Portable telescopic stand

Info

Publication number: CN2872051Y
Application number: CN 200620100792
Authority: CN
Inventors: 王祥贵
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-01-26
Filing date: 2006-01-26
Publication date: 2007-02-21
Anticipated expiration: 2016-01-26

Abstract

The utility model discloses a portable extension support, comprising a base assembly, a framework assembly and a lift assembly. The base assembly is the support foot assembly which is hinged at the bottom end of the framework assembly and at the bottom periphery of the framework assembly, the support foot assembly is matched with the framework to perform the sliding orientation and have independent adjustable support function, a foot wheel assembly is arranged at places where any support foot assembly is hinged with the bottom end of the framework assembly. The framework assembly is the steering column assembly; the steering column assembly is matched with the lift assembly to perform synchronous windlass sliding orientation. The utility model has the advantages of precision, smoothness and reliable structure, and can support lamplight fixing part, sound box, aluminum truss and similar large objects with the independent adjustable support foot, and also has a protective inversion friction brake and a grade 3 extension linkage lift device.

Description

Portable telescopic support

Technical field

The utility model relates to support, and particularly portable telescopic support is applied to support light fixed block, audio amplifier, aluminium truss etc.

Background technique

Common flexible supporter is one to be hung on the rack for the support of bracketing glove plate, and wherein, support is made up of main support plate and expansion plate again, and an end is fixed on the main support plate plate body on the rack master pillar and offers a long sliding hole; Expansion plate is by the long sliding hole place of lock firmware locking at main support plate.Though can be in order to making things convenient for glove, structural defective is not suitable for the needs of professional occasion.The applying date is " flexible supporter of tool automatic locking positioning device " that the Chinese utility model patent ZL03228905.7 on February 19th, 2003 is the applicant's application, has overcome that the required power of last timing that like product exists is big, location shakiness, awkward defective.It comprises rack, pipe, outer tube and the base that is positioned at the top, and the lower end of interior pipe is provided with the automatic locking positioning device by the gravitational equilibrium spring-loaded; Automatic locking positioning device is olivary hollow elastic component by interior pipe, outer tube and an end and forms; The spring inner ring is provided with supporting rod.The file or the music score carriage in places such as this product energy bracketing meeting room, arenas or dance hall.But for relatively large support light fixed block, audio amplifier, aluminium truss etc., this product fastening foot just can't satisfy load-bearing and bracketing needs.

Summary of the invention

Technical problem to be solved in the utility model is at above-mentioned defective, and precise structure, steady reliable, operation portable telescopic support easy to carry are provided.Large-sized objects such as its energy bracketing light fixed block, audio amplifier, aluminium truss.The utlity model has independent adjustable support foot; Have protective counter-rotating friction brake and 3 grades of flexible interlock lifting devices.

The utility model solves the problems of the technologies described above the technological scheme that is adopted: portable telescopic support, comprise equipped mutually base assembly, support body assembly, lifting component, the technical measures of taking are: base assembly is for being hinged on support body assembly bottom and bottom supporting foot assembly all around respectively, the supporting foot assembly matches with the support body assembly to slide and locatees, and has independent adjustable supports effect; Arbitrary supporting foot assembly and the place of being hinged, support body assembly bottom are fitted with castor assembly; The support body assembly is the column jecket assembly of order phase suit; The column jecket assembly synchronous hoist location of sliding of matching with lifting component.

For optimizing technique scheme, the concrete measure of taking also comprises:

The column jecket assembly be order phase suit outer column jecket, China and foreign countries' column jecket, in column jecket and interior column jecket; All be fitted with leggings around the bottom of outer column jecket, be provided with the retainer ring of lug around the middle part of outer column jecket is with, outer column jecket one sidewall edge is between the upper and lower every being shaped on column pin hole, and column pin hole is penetrated with pin, and the termination of pin is shaped on through hole and is fitted with bayonet lock; Be arranged in the China and foreign countries' column jecket of outer column jecket opposite side wall and correspondence and the upper end of column jecket and be separately installed with nylon band bar, steel wire bar and wire wheel, and a side is equipped with the knob that is used for fixing load on the interior column jecket, interior column jecket upper tip is equipped with carriage; Outer column jecket relative with middle steel wire bar and column jecket side, China and foreign countries are equipped with outer steel wire bar and middle wire wheel respectively.

The supporting foot assembly comprises supporting foot, trombone slide assembly and spring pin, and the supporting foot outer end is fitted with foot pad, the inner hinged leggings of supporting foot; Supporting foot is the convex slide rail that upper side edge is interval with pin-and-hole, and convex slide rail cunning is fitted with the slippery fellow; The trombone slide assembly comprises slippery trombone slide assembly, goes up right handed worm and following right handed worm, the lug of last right handed worm upper end hinged securement circle, the hinged slippery fellow in following right handed worm lower end.

Lifting component comprises Handleset, hanging wheel, band shell, nylon band, the first cover wire rope, the second cover wire rope, nylon band wheel carrier and protective counter-rotating friction brake; The handle with sleeve assembly is fitted on the nylon band wheel carrier, and is coupling with the mesopore of hanging wheel, and also matches with the band shell that is fixed on outer column jecket opposite side wall and engage nylon band; Nylon band one end circle is on hanging wheel, and the other end is sleeved on the underpart of China and foreign countries' column jecket through the nylon band bar; In in column jecket and interior column jecket connect by the first cover wire rope and the second cover wire rope of interlock.China and foreign countries' column jecket is promoted by manual elevator pulling nylon band, in column jecket and interior column jecket by the first cover wire rope and the second cover rope hoisting of interlock.

First overlaps wire rope one end circle on outer steel wire bar, the underpart of interior column jecket during wire wheel is sleeved in the other end warp; Second overlaps wire rope one end circle on middle steel wire bar, the underpart of the other end column jecket in interior wire wheel is sleeved on.

The carriage cross section is a T shape, and carriage upper-end surface periphery symmetry has the keyhole that is used to restrict and ties up.

Move for ease of cooperating to carry to carry by handle and castor assembly; Outer column jecket outer side surface is provided with handle, and this handle lays respectively on the relative side of outer column jecket with castor assembly.

For ease of operation, handle shaft clockwise rotates to elevator promotes, and rotates counterclockwise to be elevator decline.

Compared with prior art, the utility model base assembly is for being hinged on support body assembly bottom and bottom supporting foot assembly all around respectively, and the supporting foot assembly matches with the support body assembly to slide and locatees, and has independent adjustable supports effect; Arbitrary supporting foot assembly and the place of being hinged, support body assembly bottom are fitted with castor assembly; The support body assembly is the column jecket assembly of order phase suit; The column jecket assembly synchronous hoist location of sliding of matching with lifting component.The utility model precise structure, steadily reliable, operation is easy to carry; Large-sized objects such as its energy bracketing light fixed block, audio amplifier, aluminium truss have independent adjustable support foot; Have protective counter-rotating friction brake and 3 grades of flexible interlock lifting devices.

Description of drawings

Fig. 1 is the whole perspective view of the utility model;

Fig. 2 is the utility model overall structure front elevational schematic;

Fig. 3 is the cross-sectional schematic of Fig. 2.

Embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

Structure of the present utility model sees that accompanying drawing 1 is to shown in Figure 3.Portable telescopic support, comprise equipped mutually base assembly A, support body assembly B, lifting component C, it is characterized in that: base assembly A is for being hinged on support body assembly B bottom and bottom supporting foot assembly D all around respectively, supporting foot assembly D matches with support body assembly B to slide and locatees, and has independent adjustable supports effect; Arbitrary supporting foot assembly D and the place of being hinged, support body assembly B bottom are fitted with castor assembly E; Support body assembly B is the column jecket assembly F of order phase suit; The column jecket assembly F synchronous hoist location of sliding of matching with lifting component C.

Column jecket assembly F be order phase suit outer column jecket F1, the column jecket F2 of China and foreign countries, in column jecket F3 and interior column jecket F4; All be fitted with leggings F11 around the bottom of outer column jecket F1, around being with, the middle part of outer column jecket F1 is provided with the retainer ring F12 of lug, outer column jecket F1 one sidewall edge is between the upper and lower every being shaped on column pin hole F13, and column pin hole F13 is penetrated with pin F14, and the termination of pin F14 is shaped on through hole and is fitted with bayonet lock F15; Be arranged in the column jecket F2 of China and foreign countries of outer another sidewall of column jecket F1 and correspondence and the upper end of column jecket F3 and be separately installed with nylon band bar F18, steel wire bar F21 and wire wheel F31, and interior column jecket F4 upper end one side is equipped with the knob F41 that is used for fixing load, and interior column jecket F4 upper tip is equipped with carriage F42; Outer column jecket F1 relative with middle steel wire bar F21 and column jecket F2 side, China and foreign countries are equipped with outer steel wire bar F16 and middle wire wheel F22 respectively.

Supporting foot assembly D comprises supporting foot D1, trombone slide assembly D2 and spring pin D3, and supporting foot D1 outer end is fitted with foot pad D11, the inner hinged leggings F11 of supporting foot D1; Supporting foot D1 is the convex slide rail that upper side edge is interval with pin-and-hole D13, and convex slide rail cunning is fitted with foxy D12; Trombone slide assembly D2 comprises slippery trombone slide assembly D21, goes up right handed worm D22 and following right handed worm D23, the lug of last right handed worm D22 upper end hinged securement circle F12, the hinged foxy D12 in following right handed worm D23 lower end.

Lifting component C comprises Handleset C1, hanging wheel C2, band shell C3, nylon band C4, the first cover wire rope C5, the second cover wire rope C6, nylon band wheel carrier C7 and protective counter-rotating friction brake; Handle with sleeve assembly C1 is fitted on the nylon band wheel carrier C7, and is coupling with the mesopore of hanging wheel C2, and also matches with the band shell C3 that is fixed on outer another sidewall of column jecket F1 and engage nylon band C4; Nylon band C4 one end circle is on hanging wheel C2, and the other end is sleeved on the underpart of the column jecket F2 of China and foreign countries through nylon band bar F18; In in column jecket F3 and interior column jecket F4 connect by the first cover wire rope C5 and the second cover wire rope C6 of interlock.The column jecket F2 of China and foreign countries is promoted by manual elevator pulling nylon band C4, in column jecket F3 and interior column jecket F4 promote by the first cover wire rope C5 and the second cover wire rope C6 of interlock.

First overlaps wire rope C5 one end circle on outer steel wire bar F16, the underpart of interior column jecket F3 during wire wheel F22 is sleeved in the other end warp; Second overlaps wire rope C6 one end circle on middle steel wire bar F21, the underpart of the other end column jecket F4 in interior wire wheel F31 is sleeved on.

Carriage F42 cross section is a T shape, and carriage F42 upper-end surface periphery symmetry has the keyhole that is used to restrict and ties up.

Move for ease of cooperating to carry to carry by handle F17 and castor assembly E; Outer column jecket F1 outer side surface is provided with handle F17, and this handle F17 lays respectively on the relative side of outer column jecket F1 with castor assembly E.

Working principle:

1): the utility model vertically is positioned on the ground;

2): confirm that ground is enough firm, it is heavy to prevent that ground from falling into, and this is extremely important to stability of strutting system of the present utility model;

3): extract spring pin D3, D1 translates into the desired position from the vertical position supporting foot;

4): on supporting foot D1, look for a suitable pin-and-hole D13 to allow spring pin D3 spring into, confirm that the redness ring on the spring pin D3 pin rod has sprung in the pin-and-hole D13,, please rotate right handed worm D22 and following right handed worm D23 if the proper angle that requires does not also obtain;

5):, repeat 3), 4) action to other pin;

6): please regulate right handed worm D22 and following right handed worm D23 to guarantee foot pad D11 kiss the earth;

7): rotate right handed worm D22 and following right handed worm D23 continuously, built on stilts slightly up to the chassis in order;

8): when the utility model is placed vertically by safety, whether reexamine foxy D12 and suitably locked among the pin-and-hole D13 that links supporting foot D1 (guaranteeing that the redness ring on spring pin D3 pin rod is capped), stability of the present utility model is extremely important to safety operation;

9): load is fixed with knob F41, when with a T shape carriage F42, note the position balance of load on carriage F42;

10): when the open air use of blowing, tie up in the utility model carriage F42 upper-end surface periphery symmetry with safety rope and to have on the keyhole and hold;

11): extract the equipped bayonet lock F15 in termination of pin F14, pin F14 is unloaded from the column pin hole F13 of outer column jecket F1;

12): clockwise rotate Handleset C1 and then promote column jecket assembly F, rotate counterclockwise the Handleset C1 column jecket assembly F that then descends;

13): when column jecket assembly F rises to enough height, must be inserted into pin F14 among the highest column pin hole F13 that reserves; Keep firmly in mind and should insert bayonet lock F15 in the end through hole of pin F14;

14): a little promotes nylon band C4 bearing load to avoid wheel shaft to rotate counterclockwise Handleset C1;

15): the inverse operation loading procedure is to download;

16): inverse operation promotes column jecket assembly F process regaining column jecket assembly F, and pin F14 is inserted among the highest column pin hole F13 to prevent moving of column jecket assembly F, keeps firmly in mind and should insert bayonet lock F15 in the end through hole of pin F14;

17): inverse operation is placed the utility model process to regain supporting foot D1, guarantees that all spring pin D3 reply (guaranteeing that the red ring of spring pin D3 pin rod is covered by pin-and-hole D13) so that foxy D12 of strut and supporting foot D1 lock connect.Regulate all last right handed worm D22 and following right handed worm D23 to guarantee that all supporting foot D1 are in the vertical position;

18): cooperate mobile by handle F17 and castor assembly E;

19): the utility model answers vertical transportation for well.

Though the utility model illustrates and describes by the reference preferred embodiment,, those skilled in the art should understand, and in the scope of claims, can do the various variation on form and the details.

Claims

1, portable telescopic support, comprise equipped mutually base assembly (A), support body assembly (B), lifting component (C), it is characterized in that: described base assembly (A) is for being hinged on described support body assembly (B) bottom and bottom supporting foot assembly (D) all around respectively, and described supporting foot assembly (D) matches with described support body assembly (B) to slide and locatees; Arbitrary described supporting foot assembly (D) is fitted with castor assembly (E) with support body assembly (B) place of being hinged, bottom; Described support body assembly (B) is the column jecket assembly (F) of order phase suit; Described column jecket assembly (F) the synchronous hoist location of sliding of matching with described lifting component (C).

2, portable telescopic support according to claim 1 is characterized in that: described column jecket assembly (F) for the outer column jecket (F1) of order phase suit, China and foreign countries' column jecket (F2), in column jecket (F3) and interior column jecket (F4); All be fitted with leggings (F11) around the bottom of outer column jecket (F1), around being with, the middle part of outer column jecket (F1) is provided with the retainer ring (F12) of lug, outer column jecket (F1) sidewall edge is between the upper and lower every being shaped on column pin hole (F13), column pin hole (F13) is penetrated with pin (F14), and the termination of pin (F14) is shaped on through hole and is fitted with bayonet lock (F15); Be arranged in another sidewall of outer column jecket (F1) and the described China and foreign countries column jeckets (F2) of correspondence and the upper end of column jecket (F3) and be separately installed with nylon band bar (F18), steel wire bar (F21) and wire wheel (F31), and interior column jecket (F4) upper end one side is equipped with the knob (F41) that is used for fixing load, and interior column jecket (F4) upper tip is equipped with carriage (F42); Outer column jecket (F1) and China and foreign countries column jecket (F2) side relative with described middle steel wire bar (F21) are equipped with outer steel wire bar (F16) and middle wire wheel (F22) respectively.

3, portable telescopic support according to claim 2, it is characterized in that: described supporting foot assembly (D) comprises supporting foot (D1), trombone slide assembly (D2) and spring pin (D3), described supporting foot (D1) outer end is fitted with foot pad (D11), the inner hinged described leggings (F11) of described supporting foot (D1); Described supporting foot (D1) is interval with the convex slide rail of pin-and-hole (D13) for upper side edge, and convex slide rail cunning is fitted with slippery fellow (D12); Trombone slide assembly (D2) comprises slippery trombone slide assembly (D21), goes up right handed worm (D22) and following right handed worm (D23), the lug of last right handed worm (D22) the hinged described retainer ring in upper end (F12), the hinged described slippery fellow in following right handed worm (D23) lower end (D12).

4, according to claim 2 or 3 described portable telescopic supports, it is characterized in that: described lifting component (C) comprises Handleset (C1), hanging wheel (C2), band shell (C3), nylon band (C4), the first cover wire rope (C5), the second cover wire rope (C6), nylon band wheel carrier (C7) and protective counter-rotating friction brake; Described handle with sleeve assembly (C1) is fitted on the described nylon band wheel carrier (C7), and is coupling with the mesopore of hanging wheel (C2), and also matches with the band shell (C3) that is fixed on another sidewall of described outer column jecket (F1) and engage described nylon band (C4); Described nylon band (C4) end circle is on described hanging wheel (C2), and the other end is sleeved on the underpart of described China and foreign countries column jeckets (F2) through nylon band bar (F18); In in column jecket (F3) and interior column jecket (F4) overlap wire rope (C6) by the first cover wire rope (C5) and second of interlock and connect.

5, portable telescopic support according to claim 4, it is characterized in that: described first cover wire rope (C5) the end circle around described outside on the steel wire bar (F16), the other end through in wire wheel (F22) be sleeved on described in the underpart of interior column jecket (F3); Described second cover wire rope (C6) the end circle in described on the steel wire bar (F21), the other end through interior wire wheel (F31) be sleeved on described in the underpart of column jecket (F4).

6, portable telescopic support according to claim 5 is characterized in that: described carriage (F42) cross section is a T shape, and described carriage (F42) upper-end surface periphery symmetry has the keyhole that is used to restrict and ties up.

7, portable telescopic support according to claim 1 is characterized in that: described outer column jecket (F1) outer side surface is provided with handle (F17), and this handle (F17) lays respectively on outer column jecket (F1) opposite flank with castor assembly (E).