CN104421264A - Telescopic mechanism and blade-rotating fan comprising same - Google Patents
Telescopic mechanism and blade-rotating fan comprising same Download PDFInfo
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- CN104421264A CN104421264A CN201310397954.6A CN201310397954A CN104421264A CN 104421264 A CN104421264 A CN 104421264A CN 201310397954 A CN201310397954 A CN 201310397954A CN 104421264 A CN104421264 A CN 104421264A
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- 210000002421 cell wall Anatomy 0.000 claims description 12
- 210000000988 bone and bone Anatomy 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000003032 molecular docking Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/10—Telescoping systems
- F16B7/14—Telescoping systems locking in intermediate non-discrete positions
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention provides a telescopic mechanism and a box fan comprising the same. The telescopic mechanism comprises a connecting part, an upper bracket, a lower bracket and a fixing component, wherein the connecting part comprises a connector; the upper bracket is connected to the connecting part through a connector; the lower bracket is connected to the connecting part through a connector and has a contraction state integrated with the upper bracket and an extension state butted with the upper bracket; the fixing component is arranged on the connecting head and used for fixing the upper support and the lower support. According to the telescopic mechanism and the box fan comprising the telescopic mechanism, if the telescopic mechanism needs to be in a contracted state, the lower support and the upper support are combined into a whole and fixed through the fixing component, and if the telescopic mechanism needs to be in an extended state, the lower support and the upper support are butted and fixed on the connecting head through the fixing component. Therefore, the whole telescopic process of the telescopic mechanism is simple to operate and easy to realize.
Description
Technical field
The present invention relates to electric fan field, more specifically, relate to a kind of extending means and comprise the rotary blade fan of this extending means.
Background technique
Rotary blade fan is the new varieties of a kind of electric fan of 20 century 70 rises in mid-term, and also known as making box fan or box fan, adopting the method for machinery to realize natural wind simulating, is comparatively ideal product in domestic electric fan.Whenever heat disappears time, floor type box fan can be covered up by user, when collecting floor type box fan, usually need dismantle the supporting fuselage assembly of floor type box fan with instruments such as screw-drivers, and this brings very big inconvenience to user's collection.
Summary of the invention
The present invention aims to provide a kind of extending means and comprises the rotary blade fan of this extending means, and the flexible of whole extending means can be made to be more prone to.
For solving the problems of the technologies described above, according to an aspect of the present invention, provide a kind of extending means, comprising: joint, comprise connecting head; Upper bracket, is connected on joint by connecting head; Lower support frame, is connected on joint by connecting head, and the extended configuration that there is contraction state incorporated with upper bracket and dock with upper bracket; Fixing-assembly, is arranged on connecting head, for fixing upper bracket and lower support frame.
Further, upper bracket has chute, and lower support frame can along slide to contraction state or extended configuration.
Further, fixing-assembly comprises: upper limit cover, is arranged on the first end of connecting head, is limited to by upper bracket on connecting head; Lower limit cover, is arranged on the second end of connecting head, is limited on connecting head by lower support frame.
Further, joint is connecting cross beam, and the two ends of connecting cross beam are provided with connecting head; Upper bracket comprises two support beams, and lower support frame comprises two sliding beams, and support beam is connected by connecting head correspondingly with sliding beam.
Further, support beam is cored beam, and the interior bone of cored beam forms chute, sliding beam have along slide to the incorporated contraction state of support beam and the extended configuration that docks with support beam.
Further, extending means also comprises slide block, and slide block is fixedly installed on the periphery of sliding beam, and along slide.
Further, sliding beam is provided with mounting hole, the end face of the close sliding beam of slide block is provided with salient point, and salient point is embedded in mounting hole.
Further, upper limit cover and lower limit overlap equal ovalize tubular structure, and the first end of oval tubular structure is provided with flange, the arc surface of oval tubular structure is provided with spacing hole, is provided with fixed plate in spacing hole.
Further, connecting head has attachment hole, and the middle part of attachment hole is disposed with first step, second step and the 3rd step to the first end of connecting head, and the height of first step, second step and the 3rd step reduces successively; Upper limit is set in attachment hole, and the second end of upper limit cover is set up on second step, and the flange of upper limit cover is set up on the 3rd step, and the first end of support beam is arranged on upper limit and overlaps interior and be pressed on first step.
Further, the arc surface of oval tubular structure is also provided with projection, the hole wall of attachment hole is provided with first groove suitable with projection.
Further, fixing-assembly also comprises: connecting bolt, comprises stud and the first nut, and the first end of connecting head is provided with the second groove of installation first nut, first cell wall of the second groove is provided with the first through hole, and stud is by the first through hole and the first nut screw connection; Second cell wall of the second groove is provided with the first opening, and the second groove and attachment hole are by the first open communication, and the fixed plate that puts of upper limit and the first register, and stud passes the first nut and is connected on fixed plate that upper limit puts.
Further, the barrel of oval tubular structure is also provided with the 3rd opening, the 3rd opening runs through the barrel of oval tubular structure along the axis of oval tubular structure.
Further, the second end of attachment hole is provided with the 4th step, and the second end of lower limit cover is connected on the 3rd step, and the flange of lower limit cover is connected on the 4th step; Sliding beam is arranged in lower limit cover, and is connected to the first end of support beam.
Further, fixing-assembly also comprises: knob, the threaded stem comprising knob cap and be connected with knob cap, second end of connecting head is provided with the 3rd groove, the second nut is provided with in 3rd groove, first cell wall of the 3rd groove is provided with the second through hole, and threaded stem is by the second through hole and the second nut screw connection; Second cell wall of the 3rd groove is provided with the second opening, and the 3rd groove and attachment hole are by the second open communication, and the fixed plate that puts of lower limit and the second register, and threaded stem passes the second nut and is connected on fixed plate that lower limit puts.
According to a further aspect in the invention, provide a kind of rotary blade fan, this rotary blade fan comprises extending means, and extending means is above-mentioned extending means.
Apply technological scheme of the present invention, extending means comprises joint, upper bracket, lower support frame and fixing-assembly, and wherein, joint comprises connecting head; Upper bracket is connected on joint by connecting head; Lower support frame is connected on joint by connecting head, and the extended configuration that there is contraction state incorporated with upper bracket and dock with upper bracket; Fixing-assembly is arranged on connecting head, for fixing upper bracket and lower support frame.According to extending means of the present invention, if need to make extending means be in contraction state, only lower support frame and upper bracket need be integrated, fixed by fixing-assembly, if and need to make extending means be in extended configuration, only by lower support frame to docking with upper bracket, and need be fixed on connecting head by fixing-assembly.Visible, the whole telescopic process of extending means is simple to operate, is easy to realize.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 diagrammatically illustrates the partial sectional view of the extending means in the present invention;
Fig. 2 diagrammatically illustrates the exploded view of extending means of the present invention;
Fig. 3 diagrammatically illustrates the partial enlarged drawing M in Fig. 2;
Fig. 4 diagrammatically illustrates the three-dimensional structure diagram of the support beam of extending means of the present invention;
Fig. 5 diagrammatically illustrates the plan view of the sliding beam of extending means of the present invention;
Fig. 6 diagrammatically illustrates the plan view of the slide block of extending means of the present invention;
Fig. 7 diagrammatically illustrates the rear view of the slide block of extending means of the present invention;
Fig. 8 diagrammatically illustrates the upper limit cover of extending means of the present invention or the first three-dimensional structure diagram of lower limit cover;
Fig. 9 diagrammatically illustrates the upper limit cover of extending means of the present invention or the second three-dimensional structure diagram of lower limit cover;
Figure 10 diagrammatically illustrates the three-dimensional structure diagram of the knob of extending means of the present invention;
Figure 11 diagrammatically illustrates the front view of the connecting head of extending means of the present invention;
Figure 12 diagrammatically illustrates the reverse view of the connecting head of extending means of the present invention;
Figure 13 diagrammatically illustrates plan view when extending means of the present invention is in extended configuration; And
Figure 14 diagrammatically illustrates plan view when extending means of the present invention is in contraction state.
Description of reference numerals:
10, joint; 11, connecting head; 111, attachment hole; 112, first step; 113, second step; 114, the 3rd step; 1111, the 4th step; 115, the first groove; 116, the second groove; 117, the first opening; 118, the 3rd groove; 119, the second through hole; 1110, the second opening; 1112, the first through hole; 12, connecting cross beam; 20, upper bracket; 21, chute; 22, support beam; 30, lower support frame; 31, sliding beam; 311, mounting hole; 40, fixing-assembly; 41, upper limit cover; 411, protruding; 412, fixed plate; 413, flange; 414, spacing hole; 415, the 3rd opening; 416, structure rib; 42, lower limit cover; 43, knob; 431, knob cap; 432, threaded stem; 45, connecting bolt; 451, stud; 452, the first nut; 46, the second nut; 50, slide block; 51, salient point.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
Shown in composition graphs 1 to Figure 14, according to embodiments of the invention, extending means comprises joint 10, upper bracket 20, lower support frame 30 and fixing-assembly 40, wherein, joint 10 comprises connecting head 11, upper bracket 20 and lower support frame 30 are connected on joint 10 by connecting head 11, upper bracket 20 has chute 21, lower support frame 30 can slide along the chute 21 on upper bracket 20, and have and slide into and the incorporated contraction state of upper bracket 20 and the extended configuration that docks with upper bracket 20 along chute 21, fixing-assembly 40 is arranged on connecting head 11, and upper bracket 20 and lower support frame 30 are fixed on connecting head 11.When utilizing the extending means of the present embodiment, if need to make extending means be in contraction state, only lower support frame 30 need be slided into along chute 21 and be integrated with upper bracket 20, fixed by fixing-assembly 40, if and need to make extending means be in extended configuration, only lower support frame 30 need be stretched to and dock with upper bracket 20, and be fixed on connecting head 11 by fixing-assembly 40.Visible, the whole telescopic process of extending means to be slided realization by lower support frame 30 in chute 21, simple to operate, is easy to realize.
In the present embodiment, joint 10 is connecting cross beam 12, and the two ends of connecting cross beam 12 are provided with connecting head 11.Upper bracket 20 comprises two support beams 22, and lower support frame 30 comprises two sliding beams, 31, two support beams 22 and two sliding beams 31 are arranged correspondingly, and is connected to the two ends of connecting cross beam 12 by connecting head 11.
Shown in Figure 4, support beam 22 is cored beam, and the interior bone of cored beam forms chute 21, when sliding beam 31 along chute 21 slide into slides with support beam 22 integrator time, whole extending means is in contraction state, is convenient to collect.When sliding beam 31 slide into dock with support beam time, extending means is in extended configuration, supports extending means for user.
Preferably, the extending means of the present embodiment also comprises slide block 50, and slide block 50 is fixedly installed on the periphery of sliding beam 31, and has the cambered surface adapted with the periphery of sliding beam 31, as shown in Figure 6 and Figure 7.Slide block 50 can slide along chute 21, thus drives sliding beam 31 to slide in the chute 21 of support beam 22, makes the extended configuration of extending means and contraction state be easier to realize.In the present embodiment, sliding beam 31 is provided with mounting hole 311, the end face of the close sliding beam 31 of slide block 50 is provided with salient point 51, salient point 51 is embedded in mounting hole 311, thus slide block 50 and sliding beam 31 are fixed together, make the flexible more smooth and easy of sliding beam 31, and without obvious catching phenomenon.In other embodiments, slide block 50 and sliding beam 31 can also be welded as a whole, as long as ensure that sliding beam 31 can slide swimmingly along the chute 21 of support beam 22.
Shown in composition graphs 2 to 12, the fixing-assembly 40 in the present embodiment comprises upper limit cover 41 and lower limit cover 42, and wherein, upper limit cover 41 is arranged on the first end of connecting head 11, and by upper bracket 20, namely support beam 22 is limited on connecting head 11; Lower limit cover 42 is arranged on the second end of connecting head 11, and by lower support frame 30, namely sliding beam 31 is limited on connecting head 11.In the present embodiment, upper limit cover 41 is consistent with the structure of lower limit cover 42, equal ovalize tubular structure, and the first end of oval tubular structure is provided with flange 413, and the arc surface of oval tubular structure is provided with spacing hole 414, be provided with fixed plate 412 in spacing hole 414.
In order to upper bracket 20 and lower support frame 30 are connected on connecting cross beam 12, connecting head 11 is provided with attachment hole 111, the middle part of attachment hole 111 is disposed with first step 112, second step 113 and the 3rd step 114 to the first end of connecting head 11, the height of first step 112, second step 113 and the 3rd step 114 reduces successively, for the installation of upper limit cover 41 and support beam 22 provides necessary architecture basics.Specifically, upper limit cover 41 is arranged in attachment hole 111, and the second end of upper limit cover 41 is set up on second step 113, flange 413 is set up on the 3rd step 114, and the first end of support beam 22 to be arranged in upper limit cover 41 and to be pressed on first step 112.
Shown in Fig. 8, Fig. 9 and Figure 11, the arc surface of oval tubular structure is also provided with protruding 411, the hole wall of attachment hole 111 is provided with first groove 115 suitable with projection 411, when being arranged on connecting head 11 by upper limit cover 41, the cooperation of projection 411 and the first groove 115 can prevent upper limit cover 41 play in attachment hole 111.
Preferably, the barrel of oval tubular structure is also provided with the 3rd opening 415, 3rd opening 415 runs through the barrel of oval tubular structure along the axis of oval tubular structure, the barrel that upper limit overlaps 41 and lower limit cover 42 arranges the 3rd opening 415 respectively, for upper limit cover 41 and lower limit cover 42 realize the spacing architecture basics providing necessity, specifically, when support beam 22 is arranged in upper limit cover 41, time sliding beam 31 is arranged in lower limit cover 42, by regulating the size of the 3rd opening 415 of upper limit cover 41 or lower limit cover 42, namely when upper limit cover 41 or lower limit cover 42 are squeezed, 3rd opening 415 reduces, upper limit cover 41 applies hoop enclasping force to the support beam 22 be provided at its inner portion or lower limit cover 42 to the sliding beam 31 be provided at its inner portion, the location to support beam 22 or sliding beam 31 can be realized, thus support beam 22 or sliding beam 31 are fixed on connecting head 11.
In the present embodiment, fixing-assembly 40 also comprises connecting bolt 45, connecting bolt 45 comprises stud 451 and the first nut 452, now, the first end of connecting head 11 is provided with the second groove 116 of installation first nut 452, first cell wall of the second groove 116 is provided with the first through hole 1112, stud 451 is coordinated with the first nut 452 by the first through hole 1112.And the second cell wall of the second groove 116 is provided with the first opening 117, second groove 116 is communicated with attachment hole 111 by offering of the first opening 117, now, the fixed plate 412 being arranged on the upper limit cover 41 in attachment hole 111 is overlapped on the first opening 117, and the shape of the first opening 117 and the shape of fixed plate 412 adapt, can ensure that the fixed plate 412 on upper limit cover 41 aligns with the first opening 117, prevent fixed plate 412 from coming off out from connecting head 11.In this case, when the stud 451 of connecting bolt 45 is through the first nut 452, be just in time connected on the fixed plate 412 on upper limit cover 41.According to the present embodiment, stud 451 coordinates tighter with the first nut 452, the power that one end of the close fixed plate 412 of stud 451 is applied on fixed plate 412 is larger, when fixed plate 412 is subject to the power of stud 451 applying, fixed plate 412 can extrude whole upper limit cover 41, the 3rd opening 415 making upper limit overlap 41 diminishes, and is fixed on connecting head 11 by the support beam 22 be arranged in upper limit cover 41.
Shown in Figure 12, second end of attachment hole 111 is provided with the 4th step 1111, during installation, second end of lower limit cover 42 is connected on the 3rd step 114, the flange 413 of lower limit cover 42 is connected on the 4th step 1111, sliding beam 31 is arranged in lower limit cover 42, and is connected to the first end of support beam 22.
Shown in Figure 10, in order to implement locating function to sliding beam 31, fixing-assembly 40 also comprises knob 43, the threaded stem 432 that knob 43 comprises knob cap 431 and is connected with knob cap 431, second end of connecting head 11 is provided with the 3rd groove 118, the first cell wall being provided with the second nut the 46, three groove 118 in 3rd groove 118 is provided with the second through hole 119, and threaded stem 432 is coordinated with the second nut 46 by the second through hole 119.And the second cell wall of the 3rd groove 118 is provided with the second opening 1110,3rd groove 118 is communicated with attachment hole 111 by the second opening 1110, now, the fixed plate 412 being arranged on the lower limit cover 42 in attachment hole 111 is overlapped on the second opening 1110, and the shape of the second opening 1110 adapts, can ensure that the fixed plate 412 on lower limit cover 42 aligns with the second opening 1110, the fixed plate 412 preventing lower limit from overlapping 42 comes off out from connecting head 11.According to above-mentioned structure, when threaded stem 432 is through the second nut 46, be just in time connected on the fixed plate 412 on upper limit cover 41.When using the extending means of the present embodiment, if need to make extending means be in extended configuration, as shown in figure 13, knob 43 is only needed to loosen, then sliding beam 31 is made to dock with support beam 22, again knob 43 is tightened, now the fixed plate 412 of one end to lower limit cover 42 away from knob cap 431 of threaded stem 432 applies the effect of power, the 3rd opening 415 making lower limit overlap 42 diminishes, sliding beam 31 is fixed on connecting head 11, otherwise, when needs make extending means be in contraction state time, as shown in figure 14, only need will loosen, again sliding beam 31 is slided as support beam 22 integrator along the chute 21 of support beam 22, knob 43 is tightened, simple to operate, do not need by other extracting tools, be convenient to user use.
Again shown in composition graphs 1 to Figure 14, the assemble flow of the extending means of the present embodiment is as follows:
The assembling of upper limit cover 41: first, the fixed plate 412 of upper limit cover 41 is put in the spacing hole 414 of upper limit cover 41, then the first nut 452 is put into the second groove 116 of connecting head 11, first nut 452 is alignd with the first through hole 1112, then will assemble upper limit cover 41 and fixed plate 412 load attachment hole 111 first end, the second end making upper limit overlap 41 is overlapped on second step 113, flange 413 is overlapped on the 3rd step 114, prevents upper limit from overlapping 41 and moves up and down in attachment hole 111.The projection 411 of upper limit cover 41 is fastened in the first groove 115, prevents upper limit cover 41 play in attachment hole 111.The structure rib 416 of upper limit cover 41 coordinates with the first nut 452, prevents the first nut 452 from dropping out in the second groove 116.
The assembling of lower limit cover 42: with upper limit overlap 41 turn to join process consistent.First, the fixed plate 412 of lower limit cover 42 is put in the spacing hole 414 of lower limit cover 42, second nut 46 is put into the 3rd groove 118, second nut 46 is alignd with the second through hole 119, then the lower limit assembled cover 42 and fixed plate 412 are loaded in the second end of attachment hole 111, the second end making lower limit overlap 42 is connected on first step 112, and the flange 413 of lower limit cover 42 is overlapped on the 4th step 1111, prevents lower limit from overlapping 42 and moves up and down in attachment hole 111.The structure rib 416 of lower limit cover 42 coordinates with the second nut 46, prevents the second nut 46 from dropping out in the 3rd groove 118.
The assembling of carrier parts assembly: the salient point 51 of two slide blocks 50 is assembled with the mounting hole 311 of sliding beam 31, the sliding beam 31 assembled and slide block 50 assembly is inserted in the chute 21 of support beam 22, makes sliding beam 31 can realize expanding-contracting action in support beam 22.From top to bottom penetrated in attachment hole 111 by the carrier parts assembly assembled, make upper bracket 20, namely support beam 22 is inserted in upper limit cover 41, makes the second end of support beam 22 be connected on first step 112, ensures that support beam 22 cannot continue down to slide.Lower support frame 30, when namely sliding beam 31 extends, lower end surface and the first step 112 of slide block 50 are fitted, and sliding beam 31 cannot continue to glide, and ensures the stroke of sliding beam 31.
Finally, stud 451 is screwed by the first through hole 1112 and the first nut 452, then knob 43 is screwed by the second through hole 119 and the second nut 46, complete the assembling to whole extending means.
According to another embodiment of the present invention, provide a kind of rotary blade fan, this rotary blade fan comprises extending means, and extending means is here above-mentioned extending means.
As can be seen from the above description, the above embodiments of the present invention achieve following technique effect:
Utilize extending means of the present invention, if need to make extending means be in contraction state, only lower support frame need be integrated along slide to upper bracket, fixed by fixing-assembly, if and need to make extending means be in extended configuration, only lower support frame need be stretched to and dock with upper bracket, and be fixed on connecting head by fixing-assembly.Visible, the whole telescopic process of extending means to be slided realization by lower support frame in chute, without the need to adopting extracting tool to reach retraction volume, and when collecting extending means, simple to operate, is easy to realize.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (15)
1. an extending means, is characterized in that, comprising:
Joint (10), comprises connecting head (11);
Upper bracket (20), is connected on described joint (10) by described connecting head (11);
Lower support frame (30), is connected on described joint (10) by described connecting head (11), and has and described upper bracket (20) incorporated contraction state and the extended configuration that docks with described upper bracket (20);
Fixing-assembly (40), is arranged on connecting head (11), for fixing described upper bracket (20) and described lower support frame (30).
2. extending means according to claim 1, is characterized in that, described upper bracket (20) has chute (21), and described lower support frame (30) can slide into described contraction state or described extended configuration along described chute (21).
3. extending means according to claim 2, is characterized in that, described fixing-assembly (40) comprising:
Upper limit cover (41), is arranged on the first end of described connecting head (11), is limited to by described upper bracket (20) on described connecting head (11);
Lower limit cover (42), is arranged on the second end of described connecting head (11), is limited on described connecting head (11) by described lower support frame (30).
4. extending means according to claim 3, is characterized in that, described joint (10) is connecting cross beam (12), and the two ends of described connecting cross beam (12) are provided with described connecting head (11);
Described upper bracket (20) comprises two support beams (22), and described lower support frame (30) comprises two sliding beams (31), and described support beam (22) and described sliding beam (31) are connected by described connecting head (11) correspondingly.
5. extending means according to claim 4, it is characterized in that, described support beam (22) is cored beam, the interior bone of described cored beam forms described chute (21), and described sliding beam (31) has and slides into and the incorporated described contraction state of described support beam (22) and the described extended configuration that docks with described support beam (22) along described chute (21).
6. extending means according to claim 4, is characterized in that, also comprises slide block (50), and described slide block (50) is fixedly installed on the periphery of described sliding beam (31), and slides along described chute (21).
7. extending means according to claim 6, it is characterized in that, described sliding beam (31) is provided with mounting hole (311), the end face of the close described sliding beam (31) of described slide block (50) is provided with salient point (51), and described salient point (51) is embedded in described mounting hole (311).
8. extending means according to claim 4, it is characterized in that, described upper limit cover (41) and described lower limit cover (42) all ovalize tubular structures, the first end of described oval tubular structure is provided with flange (413), the arc surface of described oval tubular structure is provided with spacing hole (414), in described spacing hole (414), is provided with fixed plate (412).
9. extending means according to claim 8, it is characterized in that, described connecting head (11) has attachment hole (111), the middle part of described attachment hole (111) is disposed with first step (112), second step (113) and the 3rd step (114) to the first end of described connecting head (11), and the height of described first step (112), described second step (113) and described 3rd step (114) reduces successively;
Described upper limit cover (41) is arranged in described attachment hole (111), and the second end of described upper limit cover (41) is set up on described second step (113), the flange (413) of described upper limit cover (41) is set up on described 3rd step (114), and the first end of described support beam (22) to be arranged in described upper limit cover (41) and to be pressed on described first step (112).
10. extending means according to claim 9, it is characterized in that, the arc surface of described oval tubular structure is also provided with projection (411), the hole wall of described attachment hole (111) is provided with first groove (115) suitable with described projection (411).
11. extending meanss according to claim 9, is characterized in that, described fixing-assembly (40) also comprises:
Connecting bolt (45), comprise stud (451) and the first nut (452), the first end of described connecting head (11) is provided with the second groove (116) installing described first nut (452), first cell wall of described second groove (116) is provided with the first through hole (1112), and described stud (451) is coordinated with described first nut (452) by described first through hole (1112);
Second cell wall of described second groove (116) is provided with the first opening (117), described second groove (116) is communicated with by described first opening (117) with described attachment hole (111), and the fixed plate (412) on described upper limit cover (41) aligns with described first opening (117), described stud (451) is through described first nut (452) and be connected on the fixed plate (412) on described upper limit cover (41).
12. extending meanss according to claim 8, it is characterized in that, the barrel of described oval tubular structure is also provided with the 3rd opening (415), described 3rd opening (415) runs through the barrel of described oval tubular structure along the axis of described oval tubular structure.
13. extending meanss according to claim 9, it is characterized in that, second end of described attachment hole (111) is provided with the 4th step (1111), second end of described lower limit cover (42) is connected on described 3rd step (114), and the flange (413) of described lower limit cover (42) is connected on described 4th step (1111);
Described sliding beam (31) is arranged in described lower limit cover (42), and is connected to the first end of described support beam (22).
14. extending meanss according to claim 9, is characterized in that, described fixing-assembly (40) also comprises:
Knob (43), the threaded stem (432) comprising knob cap (431) and be connected with described knob cap (431), second end of described connecting head (11) is provided with the 3rd groove (118), the second nut (46) is provided with in described 3rd groove (118), first cell wall of described 3rd groove (118) is provided with the second through hole (119), and described threaded stem (432) is coordinated with described second nut (46) by described second through hole (119);
Second cell wall of described 3rd groove (118) is provided with the second opening (1110), described 3rd groove (118) is communicated with by described second opening (1110) with described attachment hole (111), and the fixed plate (412) on described lower limit cover (42) aligns with described second opening (1110), described threaded stem (432) is through described second nut (46) and be connected on the fixed plate (412) on described lower limit cover (42).
15. 1 kinds of rotary blade fans, comprise extending means, it is characterized in that, the extending means of described extending means according to any one of claim 1 to 14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310397954.6A CN104421264B (en) | 2013-09-04 | 2013-09-04 | Telescopic mechanism and blade-rotating fan comprising same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310397954.6A CN104421264B (en) | 2013-09-04 | 2013-09-04 | Telescopic mechanism and blade-rotating fan comprising same |
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| CN104421264A true CN104421264A (en) | 2015-03-18 |
| CN104421264B CN104421264B (en) | 2016-08-24 |
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| CN201310397954.6A Active CN104421264B (en) | 2013-09-04 | 2013-09-04 | Telescopic mechanism and blade-rotating fan comprising same |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106939552A (en) * | 2017-05-18 | 2017-07-11 | 响水县海源紧定衬套制造有限公司 | A kind of railing sleeve |
| CN108691861A (en) * | 2018-05-28 | 2018-10-23 | 广东电网有限责任公司 | A kind of novel transformer substation electroscope insulating bar auxiliary connecting device |
| CN112762805A (en) * | 2020-12-17 | 2021-05-07 | 武昌船舶重工集团有限公司 | Shafting school table frame |
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| CN203441900U (en) * | 2013-09-04 | 2014-02-19 | 珠海格力电器股份有限公司 | Telescopic mechanism and blade-rotating fan comprising same |
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| FR637180A (en) * | 1927-07-07 | 1928-04-24 | Delagrange & Cie Soc | Automatic locking and mooring device for all trunk tensioners or others |
| CN2159488Y (en) * | 1993-06-01 | 1994-03-23 | 沈伟宏 | Cushioning expansion pipe support |
| CN2180869Y (en) * | 1993-11-10 | 1994-10-26 | 沈伟宏 | Extendible lamp frame |
| CN1432740A (en) * | 2002-01-14 | 2003-07-30 | 奇昱钢铁股份有限公司 | Locking connector of telescopic assembly |
| CN101318080A (en) * | 2007-09-11 | 2008-12-10 | 王朝煌 | Expansible bracket |
| CN202273890U (en) * | 2011-10-21 | 2012-06-13 | 艾美特电器（深圳）有限公司 | Vertical box fan |
| CN203441900U (en) * | 2013-09-04 | 2014-02-19 | 珠海格力电器股份有限公司 | Telescopic mechanism and blade-rotating fan comprising same |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106939552A (en) * | 2017-05-18 | 2017-07-11 | 响水县海源紧定衬套制造有限公司 | A kind of railing sleeve |
| CN108691861A (en) * | 2018-05-28 | 2018-10-23 | 广东电网有限责任公司 | A kind of novel transformer substation electroscope insulating bar auxiliary connecting device |
| CN112762805A (en) * | 2020-12-17 | 2021-05-07 | 武昌船舶重工集团有限公司 | Shafting school table frame |
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|---|---|
| CN104421264B (en) | 2016-08-24 |
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