CN2251639Y

CN2251639Y - Height adjusting device for fan

Info

Publication number: CN2251639Y
Application number: CN 95226801
Authority: CN
Inventors: 黄进成
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-11-15
Filing date: 1995-11-15
Publication date: 1997-04-09
Anticipated expiration: 2005-11-15

Abstract

The utility model relates to a height adjusting device for a fan which comprises a bottom seat which is provided with a sleeve cylinder, wherein, a supporting rod is inserted in the sleeve cylinder; a bunch ring is clamped between the supporting rod and the opening end of the sleeve cylinder; the top part of the bunch ring forms a first screwing part; the circumference of the top end of the first screwing part is provided with strip-shaped cracks at a straight direction to form a circle of flexible claw rings; the periphery of the top part of the bunch ring is screwed with an adjusting cylinder of which the interior has a second screwingpart; one end of the second screwing part forms a conical hole column which is gradually pushed, pulled, and inclined inwards and can correspond to and tighten the claw rings. The conical hole column can tighten the claw rings by the screwing and the fixed connection of the first screwing part and the second screwing part. Thereby, the supporting rod is fixedly formed into a supporting state.

Description

The height adjuster of fan

The utility model is the height adjuster about a kind of fan, particularly relates to a kind of principle with the urgent locking that is spirally connected, and provides fan can have fixing strength general equilibrium concurrently in the adjustment of height and locate the height adjuster of more firm fan.

As shown in Figure 1, be a kind of height adjuster of fan in the past, comprise a support altogether and stand in ground base 1, on base 1, vertically be provided with a sleeve 10, form a circular hole 100 in the sleeve 10, and be horizontally set with one and first screw 101 that communicates of circular hole 100 in appropriate position, sleeve 10 top; In the circular hole 100 of sleeve 10, accept cover unification strut 2 moving up and down again, be provided with one and the pivot end 20 that is articulated of fan main body, and be concaved with one and above-mentioned screw 101 corresponding straight groove ditches 21 in a parallel sidewalls of strut 2 at strut 2 ends; Can prevent that at sleeve 10 and strut 2 jointing places sheathed a strut 2 breaks away from the collar 3 of sleeve 10 again, also be provided with one and first screw, 101 corresponding second screws 30 on the collar 3, lock in first and

second screw

101,30 with a bolt 31 correspondences again, and then support and end on the groove 21 of strut 2, with the horizontal applied force of bolt 31 contacts on groove 21, strut 2 can be stood in the sleeve 10 by rigid staybolt.

This kind be the height adjuster of fan in the past, though can be by the start that unscrews of bolt 31, and make the strut 2 that inserts in the circular hole 100 can be up or down be adjusted to required height, again by screwing bolt 31, and strut 2 rigid staybolts are stood in the circular hole 100 of sleeve 10, yet using in the operation, by what only by the unidirectional horizontal contact strength of a support bolt 31, the rigid staybolt that reaches strut 2 stands in the sleeve 10, so cause the imbalance of contact strength easily, and cause strut 2 to drive rocking of whole fan, when the location, be difficult for firm.

The purpose of this utility model is, a kind of height adjuster of novel fan is provided, and makes on Height Adjustment more firm support upright.

Realize by following technological scheme for reaching above purpose the utility model.

A kind of height adjuster of fan comprises a base and a strut, and base is provided with opening sleeve up, inserts the strut that can move up and down the position in sleeve, it is characterized in that:

Set firmly a beam ring that is linked in the strut periphery at the sleeve openings end, the beam ring Lower Half is inserted in the sleeve, and the first half forms first screwing part that a periphery has screw thread, in the first screwing part top periphery is directly shown crack from strip to cloth, and make the top form the flexual dog collar of a circle tool, regulate tube in the unification of beam ring first half outer race again, regulate and to be provided with second screwing part that can be spirally connected with the first screwing part correspondence in the tube, and form one at an end of second screwing part and gradually inwardly push away the conical bore post that pulls out and can corresponding urgent above-mentioned dog collar, mat is regulated first screwing part of tube and second screwing part of beam ring screws togather affixed, make the conical bore post can urgent dog collar, and then make that strut is fixing to be formed one and shore state.

The utlity model has following effect:

According to above-mentioned formation, the utility model is slidingly connected in the strut periphery and one regulates tube, and set firmly a beam ring on the top of base, second screwing part on the utilization adjusting tube and first screwing part on the beam ring are screwed, make the elasticity dog collar of the conical bore post of regulating tube on can urgent beam ring toward interior compression, and then make the strut of cover bundle in beam ring can firm being positioned.

Tube is omnibearing to screw togather urgent beam ring to the utility model by regulating, and makes support force that beam ring bestows a kind of general equilibrium on strut, so this practicality is new novel more firm on the location of strut, and also damages because of rocking than difficult.

In sum, the height adjuster of the utility model fan has advantages such as location more firm, the practicality of person more in the past really.

Following embodiment of the present utility model being done with reference to accompanying drawing specifies:

Fig. 1 is the three-dimensional exploded view of the height adjuster of fan in the past.

Fig. 2 is the three-dimensional exploded view of the utility model preferred embodiment.

Fig. 3 is the assembling schematic representation of the utility model preferred embodiment.

Fig. 4 is the assembling cross-sectional schematic of the utility model preferred embodiment.

Consult Fig. 2, the utility model preferred embodiment comprises a base 4, a strut 5, a beam ring 6 and an adjusting tube 7; Wherein:

Base 4, base 4 bottoms are provided with steadily to support and stand in ground cross frame plate 40, be provided with a carrier 41 in the center, boundary of cross frame plate, on carrier 41, hang down and be provided with a sleeve 42, form opening circular hole 420 up in the sleeve 42, make sleeve 42 tops form an opening end 421, again at sleeve 42 top peripheries apart from opening end 421 appropriate positions, be equipped with two corresponding perforation 422.

Strut 5 is the long column shape bodies of rod for an inner hollow, and body of rod top is provided with one and the fan main body end 50 that is articulated, and is arranged with a ring that can corresponding insert above-mentioned circular hole 420 in the bottom of body of rod outer rim and supports edge 51.

Beam ring 6, can be set in the periphery of strut 5, the first half of beam ring 6 is provided with first screwing part 60 that a periphery has screw thread, upwards dwindle gradually and push away the dog collar 61 that pulls out and above first screwing part 60, be provided with a circle bar footpath, dog collar 61 peripheries are directly shown the crack 62 of strip to cloth, make dog collar 61 have the flexible character of opening, contracting by crack 62; Beam ring 6 Lower Halves form an inlay card portion 63 that can corresponding snap in the opening end 421 again, form a circle flange 64 on inlay card portion 63 tops, and be concaved with at inlay card 63 peripheries two corresponding directly to groove 65, and in each groove 65, be provided with one can with the hole 650 of above-mentioned perforation 422 corresponding matching.

Regulate tube 7, be one and be movably set in strut 5 peripheries, and the cylindrical shell that can screw togather with beam ring 6 correspondences, in cylindrical shell, be provided with second screwing part 70 that can be spirally connected with first screwing part, 60 correspondences, above second screwing part 70, be provided with one and gradually inwardly push away the conical bore post 71 that pulls out and can corresponding urgent above-mentioned dog collar 61, and the top ring wall in conical bore post 71 is provided with one first fan portion 72, extended a fit portion 73 again in the bottom of second screwing part 70, and make 70 of fit portion 73 and second screwing parts form one can with the second fan portion 74 of above-mentioned bulge loop 64 corresponding contacts.

See also the 3rd, four figure, present embodiment is when assembling, pivot end 50 with beam ring 6 self-supporting rods 5 is inserted in earlier, make beam ring 6 cover be trapped among pivot end 50 and ring supports 51 at edge, again strut 5 bottoms ring is supported in the circular hole 420 of edge 51 vertical insertion sleeves 42, the inlay card portion 63 of beam ring 6 is snapped in the sleeve 42 with strut 5, and the hole 650 of beam ring 6 and the perforation 422 of sleeve 42 are alignd, the flange 64 of beam ring 6 can be fastened on opening end 421 to be locked respectively in the hole 650 and perforation 422 of alignment in twos by two support bolts 8 again, beam ring 6 can be installed on the opening end 421 of sleeve 42, to regulate tube 7 pivot ends 50 from strut 5 again is inserted in, make and regulate the periphery that tube 7 is set in beam ring 6, tube 7 is regulated in the mat turn, make second screwing part 70 of adjusting tube 7 and first screwing part, 60 bolts of beam ring 6, and synchronously make the progressively urgent dog collar 61 of conical bore post 71 wholecircles week formula, and then make dog collar 61 tightly restraint struts 5, succeed dog collar 61 top contacts in the first fan portion 72 that regulates tube 7, and the flange 64 of beam ring 6 fastens on second shoulder 72 of regulating tube 7 simultaneously, promptly finishes to revolve the fixing number of assembling steps of lock.

Present embodiment needs will regulate earlier tube 7 and unscrews in use, and the urgent power of tightening on dog collar 61 is eliminated, required and adjust the position of strut 5 according to the user again, behind the good height to be adjusted, continuing screws adjustings tins 7, get in the journey, when strut can reach strong fix on sleeve 42; And in the process of adjusting height, when strut 5 is pulled to the extreme higher position, can supports edge 51 by ring and fasten inlay card portion 63 root edges at beam ring 6, break away from sleeve 42 to prevent strut 5.

By the foregoing description explanation as can be known, tube 7 is omnibearing to screw togather urgent beam ring 6 to the utility model by regulating, make support force that beam ring 6 bestows a kind of general equilibrium on strut 5,, and also be difficult for damaging because of rocking so the utility model is more firm on the location of strut 5.

In sum, the height adjuster of the utility model fan tool really The advantages such as the person is more firm, practicality are arranged on the location more in the past.

Claims

1. the height adjuster of a fan comprises a base, and base is provided with opening sleeve up, and insertion one can move up and down the strut of position in sleeve; It is characterized in that: set firmly a beam ring that is linked in the strut periphery at the sleeve openings end, the beam ring Lower Half is inserted in the sleeve, and the first half is provided with first screwing part that a periphery has screw thread, above first screwing part, be provided with the flexual dog collar of a circle tool, the dog collar periphery is directly shown the crack of strip to cloth, regulate tube in the unification of beam ring first half outer race again, regulate and to be provided with second screwing part that can be spirally connected with the first screwing part correspondence in the tube, and form one at an end of second screwing part and gradually inwardly push away the conical bore post that pulls out and can corresponding urgent above-mentioned dog collar, screw togather affixed by first screwing part of regulating tube and second screwing part of beam ring, make the conical bore post can urgent dog collar, and then make that strut is fixing to be formed one and shore state.

2. the height adjuster of fan according to claim 1 is characterized in that: be equipped with a ring in the bottom of strut and support edge, make when strut is adjusted to the extreme higher position, support edge by ring and fasten in the beam ring Lower Half prevent that strut breaks away from sleeve.

3. the height adjuster of fan according to claim 1 is characterized in that: the dog collar on the beam ring is formed by the first screwing part top bar diminishing pushing face-drawing that directly makes progress.