CN214146041U - Adjusting bracket for household electric fan - Google Patents

Abstract

The utility model discloses an alignment jig for domestic electric fan, including supporting the base, mounting base and mounting bracket, the mounting base rotates with the support base to be connected, supports and is provided with the direction subassembly between base and the mounting base, and mounting bracket and mounting base adjustable connection, mounting bracket include two stands that bilateral symmetry set up, through bottom suspension fagging fixed connection between two stands, and the top of bottom suspension fagging is provided with the backup pad, goes up backup pad and adjustable connection of bottom suspension fagging, goes up backup pad and bottom suspension fagging and presss from both sides the tight fixed with the electric fan. The utility model has the advantages of ingenious reasonable design, the practicality is strong, can support fixed electric fan through the design of alignment jig for the whole of electric fan is placed more firm reliable, improves the structural safety performance, can carry out certain regulation to horizontal angle and vertical angle in the electric fan use through this alignment jig moreover, thereby makes the blowing angle of electric fan can satisfy different user demands, makes the use of electric fan more comfortable, and experience feels better.

Description

Adjusting bracket for household electric fan

Technical Field

The utility model belongs to the technical field of domestic electric fan, concretely relates to adjustable shelf for domestic electric fan.

Background

An electric fan, also called fan and fanner, is a household electrical appliance which uses an electric motor to drive fan blades to rotate so as to accelerate the circulation of air, and is mainly used for cooling and relieving summer heat and circulating air. The product is widely used in places such as families, classrooms, offices, shops, hospitals, hotels and the like. A common household electric fan is essentially an axial fan, i.e. the direction of the wind flow is parallel to the axis of rotation of the fan blades. The table fan is one of household fans, and the existing table fan is generally directly placed on an office table. In the in-service use, because desk fan's structure is small and exquisite, the unable adjustment of angle of many desk fan, the blowing angle of the air outlet of electric fan can't be adjusted according to the user demand when leading to in-service use, reduces the use comfort level of electric fan, influences user's use and experiences the sense.

Disclosure of Invention

The utility model aims to provide a technical scheme of domestic adjustable shelf for electric fan to the not enough that prior art exists, structural design is ingenious reasonable, therefore, the clothes hanger is strong in practicability, can support fixed electric fan through the design of adjustable shelf, make the whole of electric fan place more firm reliable, improve the structural safety performance, and can carry out certain regulation to horizontal angle and vertical angle in the electric fan use through this adjustable shelf, thereby make the blowing angle of electric fan can satisfy different user demands, make the use of electric fan more comfortable, experience feels better.

In order to solve the technical problem, the utility model discloses a following technical scheme:

an adjustable shelf for household fan, its characterized in that: the guide assembly comprises a guide disc and a guide support rod, the guide disc is clamped in a mounting groove of the support base, the guide disc is fixed with the support base through screws, the top of the guide support rod is screwed and fixed with the mounting base through threads, an expansion plate is arranged at the bottom of the guide support rod, a guide ring groove is arranged on the guide disc, the expansion plate is movably clamped in the guide ring groove, the mounting frame is adjustably connected with the mounting base, the mounting frame comprises two upright columns which are symmetrically arranged left and right, the two upright columns are fixedly connected through a lower support plate, brackets are arranged on the two upright columns, two ends of the lower support plate are respectively clamped in the two brackets, the lower support plate is fixed with the brackets through bolt assemblies, an upper support plate is arranged above the lower support plate, the upper supporting plate is adjustably connected with the lower supporting plate, and the upper supporting plate and the lower supporting plate clamp and fix the electric fan.

Furthermore, a lower placing groove is arranged on the top surface of the lower supporting plate, an upper placing groove is arranged on the bottom surface of the upper supporting plate, the lower placing groove and the upper placing groove are matched with the electric fan, the left side and the right side of the lower placing groove are provided with limit rods, the left side and the right side of the upper placing groove are provided with through holes, the through holes are matched with the limit rods, the upper placing groove is movably sleeved on the limit rods through the through holes, the end parts of the limit rods are provided with limit nuts, the upper supporting plate can be limited and clamped between the lower supporting plate and the electric fan through the design of the upper placing groove and the lower placing groove, the electric fan and the upper supporting plate and the lower supporting plate are convenient to install, adjust and position, the clamping stability of the upper supporting plate and the lower supporting plate to the electric fan is ensured, the electric fan is more stable and reliable to place, the structure safety performance is improved, and the design of the through holes and the limit rods is matched, the height of the upper supporting plate is adjustable, thereby make the interval between last backup pad and the bottom suspension fagging adjustable, be applicable to the tight fixed of clamp to the electric fan of different height dimensions, enlarge the application scope of alignment jig to the design of cooperation limit nut carries out spacing compressing tightly to the top of going up the backup pad, ensures that the electric fan is placed in the firm of last backup pad between bottom suspension fagging, improves the structural safety performance.

Furthermore, the rear side of the mounting base is provided with a lead frame, the lead frame is provided with a wire groove, two ends of the lead frame are respectively provided with a dovetail clamping block, the outer side walls of the two upright posts are respectively provided with a dovetail sliding groove, the dovetail clamping blocks are matched with the dovetail sliding grooves, the dovetail clamping blocks are movably clamped in the dovetail sliding grooves, the lead frame is fixedly propped against the upright posts through first set screws, the connecting wire of the electric fan can be combed and guided through the wire groove on the lead frame, so that the connection between the connecting wire and a connecting power supply is more convenient, the dragging abrasion between the connecting wire and a placing surface is effectively avoided, the connecting wire is protected, the accurate splicing limit between the lead frame and the two upright posts is realized through the design of the dovetail clamping blocks and the dovetail sliding grooves, the actual mounting is convenient, the lead frame realizes the further connection and fixation between the two upright posts, and the structural stability and firmness of the mounting frame are effectively ensured, and the lead frame realizes the spacing fixed with the stand through first holding screw for the lead frame can carry out the regulation of height according to actual needs.

Furthermore, the middle part of the bottom surface of the mounting base is provided with an inserting column, the center of the supporting base is provided with a limit sleeve, the inserting column is matched with the slot of the limit sleeve, the inserting column is rotatably inserted in the slot and is tightly fixed with the limit sleeve through a second set screw, the inserting limit between the mounting base and the supporting base is realized through the design of the inserting column and the limit sleeve, meanwhile, the inserting column can axially rotate along the slot to realize the angle adjustment of the mounting base, thereby adjusting the angle of the electric fan arranged on the mounting rack, and after the angle of the mounting base is adjusted, the installation firmness between the installation base and the supporting base is effectively guaranteed through the tight fixing of supporting of the second holding screw, the end portion of the second holding screw penetrates through the limiting sleeve and extends into the slot to be tightly limited with the side face of the inserting column, and the whole installation and adjustment is convenient and simple, and the operation is convenient.

Further, the upper portion of grafting post is provided with the spacing ring, the top of stop collar is provided with the extension board, be provided with the spacing groove that link up mutually with the slot on the extension board, spacing groove and spacing ring phase-match, the spacing ring rotates the joint at the spacing inslot, realize further accurate grafting between grafting post and the stop collar through the design of spacing ring and spacing groove, guarantee the grafting installation between grafting post and the stop collar and target in place, the spacing conflict of follow-up spacing fastener to the grafting post that can be convenient for of spacing ring simultaneously, and reasonable in design.

Furthermore, limiting clamping parts are arranged between the limiting ring and the extending plate, the limiting clamping parts are symmetrically arranged at the left side and the right side of the limiting sleeve, each limiting clamping part comprises a clamping frame and a tension spring assembly, the clamping frame is clamped on the side surface of the extending plate, the top of the clamping frame is in limit contact with the top surface of the limiting ring, an inserting rod is arranged on the clamping frame, a limiting guide groove is arranged on the extending plate, the inserting rod is movably inserted in the limiting guide groove, the limiting clamping parts are in contact with the limiting ring to limit the up-and-down movement of the limiting ring, so that the limiting ring can only axially rotate, the inserting stability of the inserting column in the limiting sleeve is ensured, the connecting stability between the mounting base and the supporting base is improved, the axial rotation of the mounting base is more stable and reliable, the clamping frame is clamped on the side surface of the extending plate, and the further accurate inserting positioning of the clamping frame and the extending plate is realized through the design of the inserting rod and the limiting guide groove, the inserted bar moves along spacing guide slot and makes the removal of card frame more steady, the regulation of the reality of being more convenient for, and the design of extension spring subassembly makes the card frame improve the joint fastness between card frame and the extension board under the backfill power of extension spring subassembly, ensures the limiting displacement of card frame to the spacing ring for the structure of whole alignment jig is more firm reliable.

Furthermore, a tension spring component is positioned below the clamping frame, the tension spring component comprises a tension spring and supporting plates, the tension spring is fixed between the two supporting plates, the two supporting plates are respectively and fixedly connected with the bottom surface of the clamping frame and the bottom surface of the extending plate, mounting columns are respectively arranged on the bottom surface of the clamping frame and the bottom surface of the extending plate, mounting holes are arranged on the supporting plates, the supporting plates are sleeved on the corresponding mounting columns through the mounting holes, and fixing nuts are arranged at the end parts of the mounting columns, the accurate splicing positioning between the tension spring assembly and the clamping frame as well as between the tension spring assembly and the extension plate is realized through the mounting columns and the mounting holes, and the tightening and fixing of the fixing nuts are matched, so that the mounting firmness between the tension spring assembly and the clamping frame as well as between the tension spring assembly and the extension plate is effectively ensured, the mounting mode is reasonable, the actual dismounting is convenient, the extension spring is also in tensile state when the card frame is blocked completely to the extension board to the resilience force through the extension spring ensures the joint steadiness between card frame and the extension board.

Further, the outside bottom of two stands all is provided with the rotation connecting rod, the left and right sides of mounting base all is provided with the adjustment tank, it matches with the adjustment tank to rotate the connecting rod, it connects in the adjustment tank to rotate the connecting rod activity joint, and it is spacing with the mounting base through fastening nut to rotate the connecting rod, it is spacing to realize the rotation grafting between stand and the mounting base through the design of rotating connecting rod and adjustment tank, the fixed installation fastness between effectively guaranteeing mounting bracket and the mounting base of screwing of relegation fastening nut, when the angle of mounting bracket is adjusted to needs, unscrew fastening nut and adjust, and reasonable design, use and adjust convenient simply.

Furthermore, the adjusting groove comprises a first vertical section, a horizontal section and a second vertical section, the horizontal section is communicated with the first vertical section and the second vertical section, the length of the first vertical section is greater than that of the second vertical section, the structural design is ingenious and reasonable, in the initial installation state, the rotating connecting rod is positioned at the end part of the first vertical section, the upright post just supports and butts against the top surface of the installation base to ensure the supporting and stabilizing effect of the installation base on the upright post, the installation frame cannot be rotationally adjusted in the state to ensure the structural stability of the whole adjusting frame, when the angle of the electric fan needs to be rotationally adjusted, the rotating connecting rod moves upwards from the first vertical section to the horizontal section and then moves from the horizontal section to the second vertical section to ensure that the rotating connecting rod just is clamped and supported in the second vertical section, and because the length of the first vertical section is greater than that of the second vertical section, the height of the bottom end of the first vertical section is lower than that of the bottom end of the second vertical section, thereby ensure to form certain interval between the bottom of stand and the top surface of mounting base under changing the state, provide adjustment space for the rotation of mounting bracket.

The mounting method of the adjusting bracket for the household fan is characterized by comprising the following steps: the method comprises the following steps:

1) installation of the installation base and the support base:

(1) clamping the guide disc into the mounting groove of the support base, enabling the fixing plate on the side face of the guide disc to be just positioned at the notch of the mounting groove, fixing the fixing plate and the support base through screws, and screwing the guide support rod into the internal thread hole reserved at the bottom of the mounting base; the preliminary clamping limit between the guide disc and the supporting base is realized through the mounting groove, meanwhile, the fixing plate on the side surface of the guide disc corresponds to the notch of the mounting groove, the stable placement between the guide disc and the supporting base is ensured, the guide disc and the supporting base are further fixedly installed through the matching of the fixing plate and a screw, the installation firmness of the guide disc is effectively ensured, the internal thread hole can realize the threaded connection and fixation between the guide support rod and the mounting base, effectively ensures the mounting firmness between the guide support rod and the mounting base, thereby the installation base is supported by the guide support rod in an auxiliary way, the structure of the installation base is more stable by matching with the design of the insertion column, in the horizontal rotation of the mounting base, the expanding plate at the bottom end of the guide supporting rod always rotates along the guide ring groove in the guide disc, so that the rotation process of the mounting base is more stable and reliable, and the operation safety performance is improved;

(2) installing a limiting clamping piece, fixedly assembling a tension spring assembly and a clamping frame, sleeving a supporting plate fixed with the clamping frame on the tension spring assembly on an installation column at the bottom of the clamping frame, screwing a fixing nut on the end part of the installation column and screwing the fixing nut, then clamping the clamping frame on the corresponding side surface of an extension plate in a clamping manner, enabling an insertion rod to correspond to a limiting guide groove, inserting the insertion rod into the limiting guide groove, moving the clamping frame in the direction of the extension plate until the clamping frame is clamped on the side surface of the extension plate, pulling an unfixed supporting plate on the tension spring assembly in the direction of the extension plate to enable an installation hole of the supporting plate to correspond to the installation column on the extension plate, sleeving the supporting plate on the installation column, and screwing a fixing nut on the installation column and screwing the fixing nut; the tension spring assembly and the clamping frame are fixed into a combination, so that the limit clamping piece is conveniently and fixedly installed on the extension plate next time, accurate splicing limit of the clamping frame and the extension plate is realized through the insertion rod and the limit guide groove, the insertion rod is used as a guide to move towards the extension plate until the clamping frame is clamped on the extension plate, then the tension spring assembly is fixed with the bottom of the extension plate, and when the tension spring assembly is installed between the clamping frame and the extension plate, accurate clamping positioning is realized through a preset installation hole and an installation column, and then the limit fixing of a fixing nut is matched, so that the installation firmness between the tension spring assembly and the clamping frame and the extension plate is effectively ensured, the installation sequence is reasonable, in addition, the measurement of any size is not needed in the whole installation process, the operation is convenient, and the actual installation operation difficulty is reduced;

(3) pulling the clamping frame to the outer side until the clamping frame and the limiting groove are completely staggered, then corresponding the inserting column to the limiting sleeve, inserting the inserting column into the inserting groove until the limiting ring is clamped into the limiting groove, screwing the second fastening screw, simultaneously clamping the expanding plate at the bottom end of the guide supporting rod in the guide ring groove at the top surface of the guide disc, then loosening the clamping frame, and pushing the side surface of the clamping frame to ensure that the clamping frame is completely clamped onto the side surface of the extending plate; the clamping frame is moved to be completely staggered with the limiting groove, so that the movable insertion between the insertion column and the limiting sleeve can be conveniently realized, the clamping frame can not block the installation between the insertion column and the limiting sleeve, the insertion column and the limiting sleeve are installed in place when the limiting ring is completely clamped to the limiting groove, the insertion column is limited and fixed through the second set screw, the axial rotation of the insertion column is limited, and the subsequent assembly and splicing are convenient;

2) installation of the installation frame and the installation base:

(1) clamping a rotating connecting rod on the upright column into the adjusting groove, moving the rotating connecting rod to the bottom end of the first vertical section of the adjusting groove, enabling the upright column to be just placed and supported on the top surface of the mounting base, and screwing a fastening nut into the end part of the rotating connecting rod and screwing the fastening nut; the rotary connecting rod is further adjusted, and the rotary connecting rod is ensured to be positioned at the bottom end of the first vertical section in the initial state, so that the mounting base supports and lifts the bottom surface of the upright column in the initial state, the structural stability of the mounting frame is ensured, and the assembly firmness between the mounting frame and the mounting base is ensured through the limiting and fixing of the fastening nut;

(2) the lower support plate is clamped into the brackets of the two stand columns, the lower placing groove on the lower support plate is arranged upwards, and the lower support plate and the brackets are further fixed by installing bolt components matched with the holes through corresponding holes reserved on the lower support plate and the brackets; the lower support plate and the two stand columns are accurately clamped and limited through the bracket, and then the lower support plate and the two stand columns are further fixed through the bolt assembly, so that the installation firmness between the lower support plate and the two stand columns is effectively guaranteed, and the lower support plate is convenient and simple to install and disassemble;

(3) installing an upper supporting plate, enabling a through hole in the upper supporting plate to correspond to a limiting rod on a lower supporting plate, movably sleeving the upper supporting plate on the limiting rod, screwing a limiting nut into the end part of the limiting rod, and ensuring that an upper placing groove of the upper supporting plate is arranged opposite to a lower supporting groove on the lower supporting plate; the upper supporting plate and the lower supporting plate are installed through the through holes and the limiting rods, so that the mounting and dismounting are simple and the operation is convenient;

3) installing a lead frame: the lead frame is installed downwards from the top of the stand column, the position of the lead frame is adjusted, so that a dovetail fixture block on the lead frame is matched with a dovetail sliding groove on the stand column, the dovetail fixture block slides into and is clamped into the corresponding dovetail sliding groove from the top until the lead frame abuts against the bottom end of the dovetail sliding groove, and then a first set screw is screwed down; the lead frame is inserted and limited with the stand column through the dovetail sliding groove and the dovetail clamping block, and moves along the dovetail sliding groove until the lead frame collides with the bottom end of the dovetail sliding groove, so that the lead frame is ensured to be positioned at the lowest value in the adjustable range of the lead frame in the initial state, and further adjustment is facilitated;

4) and (3) mounting the electric fan and the adjusting frame:

(1) moving the upper supporting plate upwards along the limiting rod until the distance between the upper supporting plate and the lower supporting plate is larger than the height of the electric fan, placing the electric fan between the upper supporting plate and the lower supporting plate, adjusting the position of the electric fan to ensure that the bottom of the electric fan is clamped into the lower placing groove of the lower supporting plate, moving the upper supporting plate towards the direction of the electric fan until the upper supporting plate is clamped and abutted against the top of the electric fan through the upper placing groove, and rotating the limiting nut downwards until the limiting nut is abutted and limited on the top surface of the upper supporting plate; the distance between the upper supporting plate and the lower supporting plate is adjusted according to the actual height dimension of the electric fan, so that the electric fan can be conveniently placed between the upper supporting plate and the lower supporting plate, preliminary supporting and clamping of the electric fan are realized through the lower placing groove, then the upper supporting plate is moved to tightly press and limit the top of the electric fan, the placing firmness of the electric fan on the mounting frame is ensured, pressure maintaining limitation is performed through a limiting nut, the upper supporting plate cannot move upwards, and the mounting stability of the electric fan is improved;

(2) loosening the second set screw, pulling a pull handle on the upright post to horizontally rotate the mounting rack until the electric fan is rotated and adjusted in place, and then tightening the second set screw; the second set screw is unscrewed, and the horizontal angle of the electric fan is adjusted according to the actual use requirement, so that the electric fan is more convenient to use;

(3) loosening the fastening nut, moving the mounting frame along the adjusting groove until the rotating connecting rod moves to the second vertical section of the adjusting groove and abuts against and is supported at the end part of the second vertical section, rotating the mounting frame again until the electric fan is adjusted in place, and tightening the fastening nut; the vertical angle of the electric fan is adjusted by moving the rotating connecting rod to adjust the mounting frame, so that the blowing angle of the electric fan is more in line with the actual requirement, and the use is humanized;

(4) unscrewing first holding screw, according to the position adjustment lead frame's of the position of placing of electric fan and connecting power the height, pass the metallic channel on the lead frame with the connecting wire of electric fan rear end and be connected with connecting power, comb the direction to the connecting wire through the lead frame to be more convenient for connecting wire and be connected between the connecting power, also avoid connecting wire and place the face between pull friction etc..

The utility model discloses owing to adopted above-mentioned technical scheme, following beneficial effect has:

the utility model discloses an overall structure design is ingenious reasonable, and the practicality is strong, can install fixed electric fan through the design of alignment jig, guarantees again that the electric fan places under the prerequisite of steadiness, can adjust vertical angle and horizontal angle in the electric fan use to make the wind gap angle of electric fan can adjust according to actual demand, the use of the electric fan of being more convenient for. The mounting rack can be convenient for the installation and fixation of the electric fan, the electric fan is limited and fixed through the upper supporting plate and the lower supporting plate, the placement stability of the electric fan on the adjusting rack is ensured, the upper and lower heights of the upper supporting plate are adjustable and can be adjusted according to the actual length size of the electric fan, so that the electric fan clamping device can be suitable for clamping and fixing electric fans with different length sizes, the application range of the adjusting rack is enlarged, the stand column ensures the self structural strength of the whole mounting rack, the mounting rack is further connected with the mounting base through the stand column, the stand column is rotatably connected with the mounting base, the state of the mounting rack can be adjusted according to requirements without adjusting the vertical angle of the electric fan, the state is supported and placed on the top surface of the mounting base through the stand column, when the vertical angle of the mounting rack needs to be adjusted, the rotating connecting rod is moved along the adjusting groove to be moved from one end of the adjusting groove to the other end (the end of the first vertical section is moved to the end of the second vertical section), make to form certain regulation space between stand and the mounting base, adjust the operation again, design benefit is reasonable. The mounting base supports and lifts the whole mounting rack, the structural stability of the mounting rack is ensured, meanwhile, the mounting base is rotatably connected with the supporting base, thereby further adjusting the horizontal angle of the electric fan by axially rotating the mounting base, realizing multi-directional adjustment of the blowing angle of the electric fan, and the axial guide support is always carried out through the guide component in the rotating process, so that the rotating process of the mounting base is more stable and safer, the operation safety performance is improved, the supporting base can ensure the contact area between the adjusting frame and the placing surface, ensure the stable placing of the adjusting frame, and this alignment jig can comb the direction to the connecting wire on the electric fan through the lead frame for the connecting wire is more convenient with being connected between the power, effectively places the connecting wire and places wearing and tearing etc. between the face, prolongs the life of electric fan, reduces subsequent maintenance cost.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

FIG. 1 is a schematic view of an installation structure of an adjusting bracket and an electric fan for a household electric fan according to the present invention;

FIG. 2 is a schematic view of the backside structure of FIG. 1;

FIG. 3 is a schematic structural view of the electric fan according to the present invention after horizontal rotation adjustment;

FIG. 4 is a schematic view of the structure of the electric fan of the present invention after vertical rotation adjustment;

fig. 5 is a schematic structural view of the adjusting bracket of the present invention;

FIG. 6 is a schematic structural view of the support base of the present invention;

FIG. 7 is a schematic view of the position structure of the stop collar and the extension plate of the present invention;

fig. 8 is a schematic structural view of the mounting base of the present invention;

FIG. 9 is a schematic bottom view of FIG. 8;

fig. 10 is a schematic view of the mounting structure of the mounting base and the supporting base according to the present invention;

fig. 11 is a schematic view of the mounting structure of the middle plug post and the stop collar of the present invention;

fig. 12 is a schematic view of the installation positions of the upper support plate and the lower support plate in the present invention;

FIG. 13 is a schematic structural view of the lower support plate and the upright post of the present invention;

fig. 14 is a schematic structural view of the middle limit clip of the present invention;

FIG. 15 is a schematic view of the installation structure of the tension spring assembly and the clamp frame of the present invention;

fig. 16 is a schematic structural view of the guide plate of the present invention;

fig. 17 is a schematic view of an installation structure of the guide plate and the support base according to the present invention;

fig. 18 is a schematic structural view of the center pillar of the present invention;

fig. 19 is a schematic structural view of a middle lead frame according to the present invention.

In the figure: 1-a support base; 2-mounting a base; 3-a guiding component; 4-a guiding disc; 5-a guide support rod; 6-mounting grooves; 7-expanding the plate; 8-a guide ring groove; 9-upright post; 10-a lower support plate; 11-a bracket; 12-a bolt assembly; 13-an upper support plate; 14-an electric fan; 15-lower placing groove; 16-placing a groove on the base; 17-a limiting rod; 18-a pull handle; 19-a limit nut; 20-lead frame; 21-a wire groove; 22-dovetail fixture blocks; 23-dovetail chutes; 24-a first set screw; 25-a plug column; 26-a stop collar; 27-a slot; 28-a second set screw; 29-a stop collar; 30-an extension plate; 31-limit fastener; 32-a card frame; 33-a tension spring assembly; 34-a tension spring; 35-a support plate; 36-a limiting guide groove; 37-a plunger; 38-mounting posts; 39-mounting holes; 40-fixing the nut; 41-rotating connecting rod; 42-an adjustment tank; 43-a fastening nut; 44-a limiting groove; 45-connecting lines; 46-an internally threaded bore.

Detailed Description

As shown in figures 1 to 19, for the adjusting bracket for the household electric fan of the utility model, comprising a supporting base 1, a mounting base 2 and a mounting bracket, the mounting base 2 is rotatably connected with the supporting base 1, a guiding component 3 is arranged between the supporting base 1 and the mounting base 2, the guiding component 3 comprises a guiding disc 4 and a guiding support rod 5, the guiding disc 4 is clamped in a mounting groove 6 of the supporting base 1, the guiding disc 4 is fixed with the supporting base 1 by a screw, the clamping limit between the guiding disc 4 and the supporting base 1 is realized by the mounting groove 6, the mounting firmness between the guiding disc 4 and the supporting base 1 is effectively ensured by the screw fixation, the guiding support rod 5 is provided with a thread, the top of the guiding support rod 5 is fixed with the mounting base 2 by screw thread screwing, the bottom end of the guiding support rod 5 is provided with an expanding plate 7, the guiding ring groove 8 is arranged on the guiding disc 4, the expanding plate 7 is movably clamped in the guiding ring groove 8, the design of the guide component 3 can be used for auxiliary supporting and guiding of the mounting base 2 during the rotation of the mounting base 2, thereby the rotation process of the installation base 2 is more stable, the installation frame is adjustably connected with the installation base 2, the installation frame comprises two upright posts 9 which are arranged in bilateral symmetry, the two upright posts 9 are fixedly connected through a lower support plate 10, the two upright posts 9 are both provided with brackets 11, two ends of the lower support plate 10 are respectively clamped in the two brackets 11, the lower supporting plate 10 is fixed with the bracket 11 through the bolt component 12, the upper supporting plate 13 is arranged above the lower supporting plate 10, the upper supporting plate 13 is adjustably connected with the lower supporting plate 10, the upper supporting plate 13 and the lower supporting plate 10 clamp and fix the electric fan 14, the electric fan 14 and the adjusting frame are fixedly installed through the upper supporting plate 13 and the lower supporting plate 10, and the installation and placement firmness of the electric fan 14 is effectively guaranteed.

The top surface of the lower supporting plate 10 is provided with a lower placing groove 15, the bottom surface of the upper supporting plate 13 is provided with an upper placing groove 16, the lower placing groove 15 and the upper placing groove 16 are matched with the electric fan 14, the left side and the right side of the lower placing groove 15 are provided with limiting rods 17, the limiting rods 17 are provided with threads, the left side and the right side of the upper placing groove 16 are provided with through holes, the through holes are matched with the limiting rods 17, the upper placing groove 16 is movably sleeved on the limiting rods 17 through the through holes, the end parts of the limiting rods 17 are provided with limiting nuts 19, the upper placing groove 16 and the lower placing groove 15 are designed to realize limiting clamping between the upper supporting plate 13 and the lower supporting plate 10 and the electric fan 14, so that the electric fan 14 is convenient to install, adjust and position between the electric fan 14 and the upper supporting plate 13 and the lower supporting plate 10, the clamping stability of the upper supporting plate 13 and the lower supporting plate 10 to the electric fan 14 is ensured, and the electric fan 14 is more stably and reliably placed, improve the structural safety performance, and the design of cooperation through hole and gag lever post 17, the height-adjustable of backup pad 13 is gone up in the realization, thereby make the interval between backup pad 13 and the bottom suspension fagging adjustable, be applicable to the tight fixing of clamp to the electric fan 14 of different height dimensions, enlarge the application scope of alignment jig, and the design of cooperation limit nut 19 carries out spacing compressing tightly to the top of going up backup pad 13, ensure that electric fan 14 is placed in the firm between backup pad 13 and bottom suspension fagging 10, improve the structural safety performance.

The rear side of the mounting base 2 is provided with a lead frame 20, the lead frame 20 is provided with a lead groove 21, two ends of the lead frame 20 are provided with dovetail fixture blocks 22, the outer side walls of two upright posts 9 are provided with dovetail chutes 23, the dovetail fixture blocks 22 are matched with the dovetail chutes 23, the dovetail fixture blocks 22 are movably clamped in the dovetail chutes 23, the lead frame 20 is tightly fixed with the upright posts 9 through first fastening screws 24, the connecting wire 45 of the electric fan 14 can be combed and guided through the lead grooves 21 on the lead frame 20, so that the connection between the connecting wire 45 and a power supply is more convenient, the dragging abrasion between the connecting wire 45 and a placing surface is effectively avoided, the connecting wire 45 is protected, the accurate plugging limit between the lead frame 20 and the two upright posts 9 is realized through the design of the dovetail fixture blocks 22 and the dovetail chutes 23, the actual mounting is convenient, and the lead frame 20 realizes the further connection and fixation between the two upright posts 9, the structural stability and firmness of the mounting frame are effectively guaranteed, and the lead frame 20 is fixed to the upright post 9 in a limiting manner through the first set screw 24, so that the height of the lead frame 20 can be adjusted according to actual needs.

The middle part of the bottom surface of the mounting base 2 is provided with an inserting column 25, the center of the supporting base 1 is provided with a limit sleeve 26, the inserting column 25 is matched with a slot 27 of the limit sleeve 26, the inserting column 25 is rotatably inserted in the slot 27, and the inserting column 25 is tightly fixed with the limit sleeve 26 through a second set screw 28, through the design of the inserting column 25 and the limit sleeve 26, the inserting limit between the mounting base 2 and the supporting base 1 is realized, meanwhile, the inserting column 25 can axially rotate along the slot 27 to realize the angle adjustment of the mounting base 2, thereby adjusting the angle of the electric fan 14 placed on the mounting frame, when the angle of the mounting base 2 is adjusted, the mounting firmness between the mounting base 2 and the supporting base 1 is effectively ensured through the tight fixation of the second set screw 28, the end part of the second set screw 28 passes through the limit sleeve 26 and extends into the slot 27 to tightly abut against the side surface of the slot 25 for limiting, the whole installation is convenient and simple to adjust, and the operation is convenient.

The upper portion of spliced pole 25 is provided with spacing ring 29, the top of stop collar 26 is provided with extension board 30, be provided with the spacing groove 44 that link up mutually with slot 27 on the extension board 30, spacing groove 44 and spacing ring 29 phase-match, spacing ring 29 rotates the joint in spacing groove 44, design through spacing ring 29 and spacing groove 44 realizes further accurate grafting between spliced pole 25 and the stop collar 26, guarantee that the grafting between spliced pole 25 and the stop collar 26 is installed in place, spacing ring 29 can be convenient for the spacing conflict of follow-up spacing fastener 31 to spliced pole 25 simultaneously, and reasonable in design.

Limiting clamping pieces 31 are arranged between the limiting ring 29 and the extending plate 30, the limiting clamping pieces 31 are symmetrically arranged at the left side and the right side of the limiting sleeve 26, each limiting clamping piece 31 comprises a clamping frame 32 and a tension spring assembly 33, the clamping frame 32 is clamped on the side surface of the extending plate 30, the top of the clamping frame 32 is in limited contact with the top surface of the limiting ring 29, an inserting rod 37 is arranged on the clamping frame 32, a limiting guide groove 36 is arranged on the extending plate 30, the inserting rod 37 is movably inserted in the limiting guide groove 36, the limiting clamping pieces 31 are in contact with the limiting ring 29 to limit the up-and-down movement of the limiting ring 29, so that the limiting ring 29 can only axially rotate, the inserting stability of the inserting column 25 in the limiting sleeve 26 is ensured, the connecting stability between the mounting base 2 and the supporting base 1 is improved, the axial rotation of the mounting base 2 is more stable and reliable, the clamping frame 32 is clamped on the side surface of the extending plate 30, and the further accurate inserting positioning of the clamping frame 32 and the extending plate 30 is realized through the design of the inserting rod 37 and the limiting guide groove 36, the inserted link 37 moves along the limiting guide groove 36, so that the movement of the clamping frame 32 is more stable, the actual adjustment is more convenient, the design of the tension spring assembly 33 enables the clamping frame 32 to improve the clamping firmness between the clamping frame 32 and the extension plate 30 under the backfill force of the tension spring assembly 33, the limiting effect of the clamping frame 32 on the limiting ring 29 is ensured, and the structure of the whole adjusting frame is more stable and reliable.

The tension spring assembly 33 is located below the clamping frame 32, the tension spring assembly 33 includes a tension spring 34 and a support plate 35, the tension spring 34 is fixed between the two support plates 35, the two support plates 35 are respectively fixedly connected with the bottom surfaces of the clamping frame 32 and the extension plate 30, the bottom surfaces of the clamping frame 32 and the extension plate 30 are respectively provided with a mounting post 38, a thread is arranged on the mounting post 38, a mounting hole 39 is arranged on the support plate 35, the support plate 35 is sleeved on the corresponding mounting post 38 through the mounting hole 39, the end portion of the mounting post 38 is provided with a fixing nut 40, accurate splicing positioning between the tension spring assembly 33 and the clamping frame 32 and the extension plate 30 is realized through the mounting post 38 and the mounting hole 39, then screwing and fixing of the fixing nut 40 are matched, installation firmness between the tension spring assembly 33 and the clamping frame 32 and the extension plate 30 is effectively ensured, the installation mode is reasonable, actual disassembly and assembly are convenient, the tension spring 34 is also in a stretching state when the clamping frame 32 is completely clamped into the extension plate 30, so that the clamping stability between the clamping frame 32 and the extension plate 30 is ensured by the resilience of the tension spring 34.

The outside bottom of two stands 9 all is provided with rotates connecting rod 41, the screw thread has been set up on rotating connecting rod 41, the left and right sides of mounting base 2 all is provided with adjustment tank 42, rotate connecting rod 41 and adjustment tank 42 phase-match, it is in adjustment tank 42 to rotate connecting rod 41 activity joint, and it is spacing fixed with the mounting base to rotate connecting rod 41 through fastening nut 43, it is spacing to realize the rotation grafting between stand 9 and the mounting base 2 through the design of rotating connecting rod 41 and adjustment tank 42, the fixed installation fastness between effectively guaranteeing mounting bracket and the mounting base 2 of screwing of relegation fastening nut 43, when the angle of mounting bracket is adjusted to needs, unscrew fastening nut 43 and adjust, and reasonable design, and convenient and simple use and adjustment.

The adjusting groove 42 comprises a first vertical section, a horizontal section and a second vertical section, the horizontal section is communicated with the first vertical section and the second vertical section, the length of the first vertical section is greater than that of the second vertical section, the structural design is ingenious and reasonable, in the initial installation state, the rotating connecting rod 41 is positioned at the end part of the first vertical section, the upright post 9 is just supported and abutted on the top surface of the installation base 2, the supporting and stabilizing effect of the installation base 2 on the upright post 9 is ensured, the installation rack can not be adjusted in a rotating way in the state, the structural stability of the whole adjusting rack is ensured, when the angle of the electric fan 14 needs to be adjusted in a rotating way, the rotating connecting rod 41 is moved upwards from the first vertical section to the horizontal section and then moved from the horizontal section to the second vertical section, so that the rotating connecting rod 41 is just clamped and supported in the second vertical section, and because the length of the first vertical section is greater than that of the second vertical section, the bottom height of the first vertical section is lower than that of the second vertical section, thereby ensure to form certain interval between the bottom of stand 9 and the top surface of mounting base 2 under changing the state, provide adjustment space for the rotation of mounting bracket.

The mounting method of the adjusting bracket for the household fan comprises the following steps:

1) installation of the installation base 2 and the support base 1:

(1) clamping the guide disc 4 into the mounting groove 6 of the support base 1, enabling the fixing plate on the side surface of the guide disc 4 to be just positioned at the notch of the mounting groove 6, fixing the fixing plate and the support base 1 through a screw, and screwing the guide support rod 5 into the internal thread hole 46 reserved at the bottom of the mounting base 2; the preliminary clamping limit between the guide disc 4 and the supporting base 1 is realized through the mounting groove 6, meanwhile, the fixing plate on the side surface of the guide disc 4 corresponds to the notch of the mounting groove 6, the stable placement between the guide disc 4 and the supporting base 1 is ensured, the guide disc 4 and the supporting base 1 are further installed and fixed through the fixing plate matched with a screw, the installation firmness of the guide disc 4 is effectively ensured, the threaded connection and fixation between the guide support rod 5 and the installation base 2 can be realized through the internal thread hole 46, the installation firmness between the guide support rod 5 and the installation base is effectively ensured, so that the auxiliary support is carried out on the installation base 2 through the guide support rod 5, the structure of the installation base 2 is more stable through the design of the inserting column 25, and in the horizontal rotation of the installation base 2, the expanding plate 7 at the bottom end of the guide support rod 5 always rotates along the guide ring groove 8 in the guide disc 4, and the rotation process of the installation base 2 is more stable and reliable, the operation safety performance is improved;

(2) installing a limiting clamping piece 31, firstly, fixedly assembling a tension spring assembly 33 and a clamping frame 32, sleeving a supporting plate 35 fixed with the clamping frame 32 on the tension spring assembly 33 on an installing column 38 at the bottom of the clamping frame 32, screwing a fixing nut 40 on the end part of the installing column 38 and screwing, then clamping the clamping frame 32 on the corresponding side surface of an extension plate 30 in a clamping manner, inserting a rod 37 corresponding to a limiting guide groove 36, inserting the inserting rod 37 into the limiting guide groove 36, moving the clamping frame 32 towards the extension plate 30 until the clamping frame 32 is clamped on the side surface of the extension plate 30, pulling the supporting plate 35 which is not fixed on the tension spring assembly 33 towards the extension plate 30 to enable an installing hole 39 of the supporting plate 35 to correspond to the installing column 38 on the extension plate 30, sleeving the supporting plate 35 on the installing column 38, and screwing a fixing nut 40 on the installing column 38 and screwing; firstly, the tension spring assembly 33 and the clamping frame 32 are fixed into a combination, so that the limiting clamping piece 31 is conveniently and fixedly installed on the extension plate 30, the clamping frame 32 and the extension plate 30 are accurately inserted and limited through the insertion rod 37 and the limiting guide groove 36, then the insertion rod 37 serves as a guide to move towards the extension plate 30 until the clamping frame 32 is clamped on the extension plate 30, then the tension spring assembly 33 and the bottom of the extension plate 30 are fixed, and when the tension spring assembly 33, the clamping frame 32 and the extension plate 30 are installed, accurate clamping and positioning are realized through the preset installation hole 39 and the installation column 38, and then the limiting and fixing of the fixing nut 40 are matched, so that the installation firmness among the tension spring assembly 33, the clamping frame 32 and the extension plate 30 is effectively ensured, the installation sequence is reasonable, and the whole installation process does not need to measure any size, so that the operation is convenient, and the actual installation operation difficulty is reduced;

(3) pulling the clamping frame 32 to the outer side until the clamping frame 32 and the limiting groove 44 are completely staggered, then corresponding the plug-in post 25 to the limiting sleeve 26, inserting the plug-in post 25 into the slot 27 until the limiting ring 29 is clamped into the limiting groove 44, screwing the second set screw 28, meanwhile, the expanding plate 7 at the bottom end of the guide support rod 5 is just clamped into the guide ring groove 8 at the top surface of the guide disc 4, then loosening the clamping frame 32, and pushing the side surface of the clamping frame 32 to ensure that the clamping frame 32 is completely clamped onto the side surface of the extending plate 30; the clamping frame 32 is moved to be completely staggered with the limiting groove 44, so that the movable splicing between the splicing column 25 and the limiting sleeve 26 can be facilitated, the clamping frame 32 can not block the installation between the splicing column 25 and the limiting sleeve 26, when the limiting ring 29 is completely clamped to the limiting groove 44, the splicing column 25 and the limiting sleeve 26 are installed in place, the splicing column 25 is limited and fixed through the second set screw 28, the axial rotation of the splicing column 25 is limited, and the subsequent assembly and splicing are facilitated;

2) installation of mounting bracket and mounting base 2:

(1) the rotating connecting rod 41 on the upright post 9 is clamped into the adjusting groove 42, the rotating connecting rod 41 is moved to the bottom end of the first vertical section of the adjusting groove 42, so that the upright post 9 is just rested and supported on the top surface of the mounting base 2, and the end part of the rotating connecting rod 41 is screwed into the fastening nut 43 and is screwed tightly; the rotary connecting rod 41 is further adjusted to ensure that the rotary connecting rod 41 is positioned at the bottom end of the first vertical section in the initial state, so that the mounting base 2 supports and lifts the bottom surface of the upright post 9 in the initial state, the structural stability of the mounting frame is ensured, actual mounting and adjusting are facilitated, and the assembly firmness between the mounting frame and the mounting base 2 is ensured through the limiting and fixing of the fastening nut 43;

(2) the lower support plate 10 is clamped on the brackets 11 of the two upright posts 9, the lower placing groove 15 on the lower support plate 10 is arranged upwards, and the lower support plate 10 and the brackets 11 are further fixed by installing bolt assemblies 12 matched with the holes through corresponding holes reserved on the lower support plate 10 and the brackets 11; the lower support plate 10 and the two upright posts 9 are accurately clamped and limited through the bracket 11, and the lower support plate 10 and the two upright posts 9 are further fixed through the bolt assembly 12, so that the installation firmness is effectively guaranteed, and the lower support plate is convenient and simple to install and disassemble;

(3) installing an upper supporting plate 13, enabling a through hole in the upper supporting plate 13 to correspond to a limiting rod 17 on a lower supporting plate 10, movably sleeving the upper supporting plate 13 on the limiting rod 17, screwing a limiting nut 19 into the end part of the limiting rod 17, and ensuring that an upper placing groove 16 of the upper supporting plate 13 is arranged opposite to a lower supporting groove on the lower supporting plate 10; the upper supporting plate 13 and the lower supporting plate 10 are installed through the through holes and the limiting rods 17, so that the mounting and dismounting are simple and the operation is convenient;

3) mounting of the lead frame 20: mounting the lead frame 20 downwards from the top of the upright post 9, adjusting the position of the lead frame 20 to enable a dovetail fixture block 22 on the lead frame 20 to be matched with a dovetail chute 23 on the upright post 9, enabling the dovetail fixture block 22 to slide and be clamped into the corresponding dovetail chute 23 from the top until the lead frame 20 abuts against the bottom end of the dovetail chute 23, and then screwing a first fastening screw 24; the lead frame 20 is inserted and limited with the upright post 9 through the dovetail sliding groove 23 and the dovetail clamping block 22, and moves along the dovetail sliding groove 23 until the lead frame collides with the bottom end of the dovetail sliding groove 23, so that the lead frame 20 is ensured to be positioned at the lowest value in the adjustable range in the initial state, and further adjustment is facilitated later;

4) mounting of the electric fan 14 to the adjusting bracket:

(1) moving the upper support plate 13 upwards along the limiting rod 17 until the distance between the upper support plate 13 and the lower support plate 10 is larger than the height of the electric fan 14, placing the electric fan 14 between the upper support plate 13 and the lower support plate 10, adjusting the position of the electric fan 14 to ensure that the bottom of the electric fan 14 is clamped into the lower placing groove 15 of the lower support plate 10, moving the upper support plate 13 towards the electric fan 14 until the upper support plate 13 is clamped and abutted against the top of the electric fan 14 through the upper placing groove 16, and rotating the limiting nut 19 downwards until the limiting nut 19 is abutted and limited on the top surface of the upper support plate 13; adjusting the distance between the upper supporting plate 13 and the lower supporting plate 10 according to the actual height of the electric fan 14, so that the electric fan 14 can be conveniently placed between the upper supporting plate 13 and the lower supporting plate 10, then realizing the primary supporting clamping of the electric fan 14 through the lower placing groove 15, then moving the upper supporting plate 13 to compress and limit the top of the electric fan 14, ensuring the placing firmness of the electric fan 14 on the mounting frame, and then performing pressure maintaining limitation through the limiting nut 19 to ensure that the upper supporting plate 13 cannot move upwards and improve the mounting firmness of the electric fan 14;

(2) loosening the second set screw 28, pulling the pull handle 18 on the upright post 9 to horizontally rotate the mounting rack until the electric fan 14 is rotated and adjusted in place, and then tightening the second set screw 28; the second set screw 28 is unscrewed, and the horizontal angle of the electric fan 14 is adjusted according to the actual use requirement, so that the electric fan 14 is more convenient to use, the design of the pull handle 18 can facilitate the rotation and adjustment of the horizontal angle and the vertical angle of the mounting frame, and the design is more humanized and convenient to operate and use;

(3) loosening the fastening nut 43, moving the mounting bracket along the adjustment groove 42 until the rotating link 41 moves to the second vertical section of the adjustment groove 42 and abuts against and is supported at the end of the second vertical section, rotating the mounting bracket again until the electric fan 14 is adjusted in position, and tightening the fastening nut 43; the mounting frame is adjusted by moving the rotating connecting rod 41, so that the vertical angle of the electric fan 14 is adjusted, the blowing angle of the electric fan 14 is more in line with the actual requirement, and the use is humanized;

(4) the first set screw 24 is unscrewed, the height of the lead frame 20 is adjusted according to the placement position of the electric fan 14 and the position of the power supply, the connecting wire 45 at the rear end of the electric fan 14 penetrates through the wire groove 21 on the lead frame 20 to be connected with the power supply, and the connecting wire 45 is combed and guided through the lead frame 20, so that the connecting wire 45 is more convenient to connect with the power supply, and the dragging friction between the connecting wire 45 and the placement surface is also avoided.

The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made on the basis of the present invention to achieve substantially the same technical effects are all covered by the scope of the present invention.

Claims (9)

1. An adjustable shelf for household fan, its characterized in that: the mounting device comprises a supporting base, a mounting base and a mounting frame, wherein the mounting base is rotatably connected with the supporting base, a guide assembly is arranged between the supporting base and the mounting base, the guide assembly comprises a guide disc and a guide supporting rod, the guide disc is clamped in a mounting groove of the supporting base, the guide disc is fixed with the supporting base through screws, the top of the guide supporting rod is fixedly screwed with the mounting base through threads, a spreading plate is arranged at the bottom end of the guide supporting rod, a guide ring groove is arranged on the guide disc, the spreading plate is movably clamped in the guide ring groove, the mounting frame is adjustably connected with the mounting base, the mounting frame comprises two upright columns which are symmetrically arranged, the two upright columns are fixedly connected through a lower supporting plate, brackets are arranged on the two upright columns, and two ends of the lower supporting plate are respectively clamped in the two brackets, and the lower supporting plate is fixed with the bracket through a bolt component, an upper supporting plate is arranged above the lower supporting plate, the upper supporting plate is adjustably connected with the lower supporting plate, and the upper supporting plate and the lower supporting plate clamp and fix the electric fan.

2. The adjusting bracket for a home fan as claimed in claim 1, wherein: be provided with down the standing groove on the top surface of bottom suspension fagging, be provided with the standing groove on the bottom surface of last backup pad, down the standing groove go up the standing groove all with the electric fan phase-match, the left and right sides in lower standing groove all is provided with the gag lever post, the left and right sides of going up the standing groove all is provided with the through hole, the through hole with the gag lever post phase-match, it passes through to go up the standing groove the through hole movable sleeve is established on the gag lever post, just the tip of gag lever post is provided with stop nut.

3. The adjusting bracket for a home fan as claimed in claim 1, wherein: the rear side of the mounting base is provided with a lead frame, the lead frame is provided with a wire groove, the two ends of the lead frame are provided with dovetail clamping blocks, two dovetail sliding grooves are formed in the outer side wall of the stand column, the dovetail clamping blocks are matched with the dovetail sliding grooves, the dovetail clamping blocks are movably clamped in the dovetail sliding grooves, and the lead frame is fixedly abutted to the stand column through a first fastening screw.

4. The adjusting bracket for a home fan as claimed in claim 1, wherein: the bottom surface middle part of mounting base is provided with the grafting post, the center of supporting the base is provided with the stop collar, the grafting post with the slot phase-match of stop collar, the grafting post rotates to peg graft in the slot, just the grafting post through the second holding screw with the stop collar supports tightly fixedly.

5. The adjusting bracket for a home fan as claimed in claim 4, wherein: the upper portion of the inserting column is provided with a limiting ring, the top of the limiting sleeve is provided with an extending plate, a limiting groove communicated with the inserting groove is formed in the extending plate, the limiting groove is matched with the limiting ring, and the limiting ring is rotatably clamped in the limiting groove.

6. The adjusting bracket for a home fan as claimed in claim 5, wherein: the limiting ring with be provided with spacing fastener between the extension board, spacing fastener symmetry sets up the left and right sides of stop collar, spacing fastener is including card frame and extension spring subassembly, card frame joint is in on the side of extension board, the spacing conflict in top of card frame is on the top surface of spacing ring, be provided with the inserted bar on the card frame, be provided with spacing guide slot on the extension board, the inserted bar activity is pegged graft in the spacing guide slot.

7. The adjusting bracket for a home fan as claimed in claim 6, wherein: the extension spring subassembly is located the below of card frame, the extension spring subassembly includes extension spring and backup pad, the extension spring is fixed two between the backup pad, two the backup pad respectively with the bottom surface of card frame the bottom surface fixed connection of extension board, the bottom surface of card frame with all be provided with the erection column on the bottom surface of extension board, be provided with the mounting hole in the backup pad, the backup pad passes through the mounting hole cover is established correspondingly on the erection column, just the tip of erection column is provided with fixation nut.

8. The adjusting bracket for a home fan as claimed in claim 1, wherein: two the outside bottom of stand all is provided with rotates the connecting rod, the left and right sides of mounting base all is provided with the adjustment tank, rotate the connecting rod with the adjustment tank matches, it is in to rotate connecting rod activity joint in the adjustment tank, just rotate the connecting rod pass through fastening nut with the mounting base is spacing fixed.

9. The adjusting bracket for a home fan as claimed in claim 8, wherein: the adjusting groove comprises a first vertical section, a horizontal section and a second vertical section, the horizontal section is communicated with the first vertical section and the second vertical section, and the length of the first vertical section is greater than that of the second vertical section.

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