CN203441900U - Telescoping mechanism and box fan with the telescoping mechanism - Google Patents
Telescoping mechanism and box fan with the telescoping mechanism Download PDFInfo
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- CN203441900U CN203441900U CN201320548413.4U CN201320548413U CN203441900U CN 203441900 U CN203441900 U CN 203441900U CN 201320548413 U CN201320548413 U CN 201320548413U CN 203441900 U CN203441900 U CN 203441900U
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Abstract
The utility model provides a telescoping mechanism and a box fan with the telescoping mechanism. The telescoping mechanism comprises a connecting portion, an upper support, a lower support and fixing assemblies, wherein the connecting portion comprises connecting heads, the upper support is connected to the connecting portion through the connecting heads, the lower support is connected to the connecting portion through the connecting heads, and has a contraction state and a stretching state, the lower support and the upper support are combined into a whole when the lower support is in the contraction state, the lower support and the upper support are in butt joint when the lower support is in the stretching state, and the fixing assemblies are arranged on the connecting heads, and are used for fixing the upper support and the lower support. According to the telescoping mechanism and the box fan with the telescoping mechanism, when the telescoping mechanism needs to be in the contraction state, just the lower support and the upper support need to be combined into a whole, and are fixed through the fixing assemblies, and when the telescoping mechanism needs to be in the stretching state, just the lower support and the upper support need to be in butt joint, and are fixed to the connecting heads through the fixing assemblies. It is clear that the telescoping mechanism is easy to operate in the whole stretching and contraction process, and easy to implement.
Description
Technical field
The utility model relates to electric fan field, more specifically, and the rotary blade fan that relates to a kind of extending means and comprise 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, is called again box fan or box fan, adopts mechanical method to realize natural wind simulating, is comparatively ideal product in domestic electric fan.When heat disappears, floor type box fan can be covered up by user, when floor type box fan is collected, conventionally need to the fuselage supporting component of floor type box fan, dismantle with instruments such as screw-drivers, and this brings very big inconvenience to user's collection.
Model utility content
The rotary blade fan that the utility model aims to provide a kind of extending means and comprises this extending means, can make the flexible of whole extending means be more prone to.
For solving the problems of the technologies described above, according to an aspect of the present utility model, provide a kind of extending means, comprising: joint, comprises connecting head; Upper bracket, is connected on joint by connecting head; Lower support frame, is connected on joint by connecting head, and has and the incorporated contraction state of upper bracket and the extended configuration that docks with upper bracket; Fixing-assembly, is arranged on connecting head, for fixedly upper bracket and lower support frame.
Further, upper bracket has chute, and lower support frame can slide into contraction state or extended configuration along chute.
Further, fixing-assembly comprises: upper limit cover, be arranged on the first end of connecting head, and upper bracket is limited on connecting head; Lower limit cover, is arranged on the second end of connecting head, and lower support frame is limited on connecting head.
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, and sliding beam has along chute and slides into and 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 slides along chute.
Further, be provided with mounting hole on sliding beam, 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 are overlapped equal ovalize tubular structure, and the first end of oval tubular structure is provided with flange, on 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 sets 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 in upper limit cover and is pressed on first step.
Further, on the arc surface of oval tubular structure, be also provided with projection, on the hole wall of attachment hole, be provided with first groove suitable with projection.
Further, fixing-assembly also comprises: connecting bolt, comprise double-screw bolt and the first nut, and the first end of connecting head is provided with the second groove that the first nut is installed, on the first cell wall of the second groove, be provided with the first through hole, double-screw bolt coordinates with the first nut by the first through hole; On the second cell wall of the second groove, be provided with the first opening, the second groove and attachment hole be by the first open communication, and the upper limit fixed plate and the first register that put, and double-screw bolt passes the first nut and is connected on the fixed plate that upper limit puts.
Further, be also provided with the 3rd opening on the barrel of oval tubular structure, the 3rd opening is along the barrel that axially runs through oval tubular structure 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, comprise knob cap and the threaded stem being connected with knob cap, the second end of connecting head is provided with the 3rd groove, in the 3rd groove, be provided with the second nut, on the first cell wall of the 3rd groove, be provided with the second through hole, threaded stem coordinates with the second nut by the second through hole; On the second cell wall of the 3rd groove, be provided with the second opening, the 3rd groove and attachment hole be by the second open communication, and the lower limit fixed plate and the second register that put, and threaded stem passes the second nut and is connected on the fixed plate that lower limit puts.
According on the other hand of the present utility model, a kind of rotary blade fan is provided, this rotary blade fan comprises extending means, extending means is above-mentioned extending means.
Application the technical solution of the utility model, extending means comprises joint, upper bracket, lower support frame and fixing-assembly, 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 has and the incorporated contraction state of upper bracket and the extended configuration that docks with upper bracket; Fixing-assembly is arranged on connecting head, for fixedly upper bracket and lower support frame.According to extending means of the present utility model, if need to make extending means in contraction state, only lower support frame and upper bracket need be integrated, by fixing-assembly, fix, if and need to make extending means in extended configuration, only lower support frame extremely need be docked with upper bracket, and 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 that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 has schematically shown the partial sectional view of the extending means in the utility model;
Fig. 2 has schematically shown the exploded view of extending means of the present utility model;
Fig. 3 has schematically shown the partial enlarged drawing M in Fig. 2;
Fig. 4 has schematically shown the three-dimensional structure diagram of the support beam of extending means of the present utility model;
Fig. 5 has schematically shown the plan view of the sliding beam of extending means of the present utility model;
Fig. 6 has schematically shown the plan view of the slide block of extending means of the present utility model;
Fig. 7 has schematically shown the rear view of the slide block of extending means of the present utility model;
Fig. 8 has schematically shown the upper limit cover of extending means of the present utility model or the first three-dimensional structure diagram of lower limit cover;
Fig. 9 has schematically shown the upper limit cover of extending means of the present utility model or the second three-dimensional structure diagram of lower limit cover;
Figure 10 has schematically shown the three-dimensional structure diagram of the knob of extending means of the present utility model;
Figure 11 has schematically shown the front view of the connecting head of extending means of the present utility model;
Figure 12 has schematically shown the reverse view of the connecting head of extending means of the present utility model;
Figure 13 has schematically shown the plan view of extending means of the present utility model when extended configuration; And
Figure 14 has schematically shown the plan view of extending means of the present utility model when 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, projection; 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, double-screw bolt; 452, the first nut; 46, the second nut; 50, slide block; 51, salient point.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
In conjunction with shown in Fig. 1 to Figure 14, according to embodiment of the present utility model, 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 along chute 21 and slide into and the incorporated contraction state of upper bracket 20 and the extended configuration that docks with upper bracket 20, fixing-assembly 40 is arranged on connecting head 11, and upper bracket 20 and lower support frame 30 are fixed on connecting head 11.While utilizing the extending means of the present embodiment, if need to make extending means in contraction state, only lower support frame 30 need be slided into upper bracket 20 and is integrated along chute 21, fixing by fixing-assembly 40, if and need to make extending means in extended configuration, only lower support frame 30 need be stretched to upper bracket 20 and dock, and be fixed on connecting head 11 by fixing-assembly 40.Visible, the realization of being slided in chute 21 by lower support frame 30 of the whole telescopic process of extending means, simple to operate, be 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 that 31, two support beams 22 of two sliding beams and two sliding beams 31 arrange correspondingly, and by connecting head 11, is connected to the two ends of connecting cross beam 12.
Shown in Figure 4, support beam 22 is cored beam, and the interior bone of cored beam forms chute 21, and when sliding beam 31 slides into support beam 22 integrators slip along chute 21, whole extending means, in contraction state, is convenient to collection.When sliding beam 31 slides into while docking with support beam, extending means, 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 that the periphery with sliding beam 31 adapts, as shown in Figure 6 and Figure 7.Slide block 50 can slide along chute 21, thereby 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, be provided with mounting hole 311 on sliding beam 31, 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, thereby 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 guarantee that sliding beam 31 can slide swimmingly along the chute 21 of support beam 22.
In conjunction with shown in Fig. 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, 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, 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 on the arc surface of oval tubular structure, be provided with spacing hole 414, in spacing hole 414, be provided with fixed plate 412.
For upper bracket 20 and lower support frame 30 are connected on connecting cross beam 12, on connecting head 11, be provided with attachment hole 111, the middle part of attachment hole 111 to the first end of connecting head 11 is disposed with first step 112, second step 113 and the 3rd step 114, 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, and flange 413 is set up on the 3rd step 114, the first end of support beam 22 is arranged in upper limit cover 41 and is pressed on first step 112.
Shown in Fig. 8, Fig. 9 and Figure 11, on the arc surface of oval tubular structure, be also provided with projection 411, on the hole wall of attachment hole 111, be provided with first groove 115 suitable with projection 411, when upper limit cover 41 is arranged on connecting head 11, the cooperation of projection the 411 and first groove 115 can prevent upper limit cover 41 play in attachment hole 111.
Preferably, on the barrel of oval tubular structure, be also provided with the 3rd opening 415, the 3rd opening 415 is along the barrel that axially runs through oval tubular structure of oval tubular structure, on the barrel of upper limit cover 41 and lower limit cover 42, the 3rd opening 415 is set respectively, for the spacing necessary architecture basics that provides is provided for upper limit cover 41 and lower limit cover 42, specifically, when support beam 22 is arranged in upper limit cover 41, when 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, when upper limit cover 41 or lower limit cover 42 are squeezed, the 3rd opening 415 dwindles, the sliding beam 31 of the support beam 22 of 41 pairs of portions that set within it of upper limit cover or 42 pairs of portions that set within it of lower limit cover applies hoop enclasping force, can realize the location to support beam 22 or sliding beam 31, thereby 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 double-screw bolt 451 and the first nut 452, now, the first end of connecting head 11 is provided with the second groove 116 that the first nut 452 is installed, on the first cell wall of the second groove 116, be provided with the first through hole 1112, double-screw bolt 451 coordinates with the first nut 452 by the first through hole 1112.And on the second cell wall of the second groove 116, be provided with the first opening 117, offering of the first opening 117 is communicated with the second groove 116 with attachment hole 111, now, the fixed plate 412 that is arranged on the upper limit cover 41 in attachment hole 111 is overlapped on the first opening 117, and the shape of the shape of the first opening 117 and fixed plate 412 adapts, can guarantee that the fixed plate 412 on upper limit cover 41 aligns with the first opening 117, prevents that fixed plate 412 from coming off out from connecting head 11.In this case, when the double-screw bolt 451 of connecting bolt 45 passes the first nut 452, be just in time connected on the fixed plate 412 on upper limit cover 41.According to the present embodiment, double-screw bolt 451 coordinates tightlyer with the first nut 452, the power that one end of the close fixed plate 412 of double-screw bolt 451 is applied on fixed plate 412 is larger, when fixed plate 412 is subject to power that double-screw bolt 451 applies, fixed plate 412 can overlap 41 by the whole upper limit of extruding, the 3rd opening 415 of upper limit cover 41 is diminished, the support beam 22 being arranged in upper limit cover 41 is fixed on connecting head 11.
Shown in Figure 12, the second end of attachment hole 111 is provided with the 4th step 1111, during installation, the 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, for sliding beam 31 is implemented to locating function, fixing-assembly 40 also comprises knob 43, knob 43 comprises knob cap 431 and the threaded stem 432 being connected with knob cap 431, the second end of connecting head 11 is provided with the 3rd groove 118, in the 3rd groove 118, be provided with on the first cell wall of the second nut 46, the three grooves 118 and be provided with the second through hole 119, threaded stem 432 coordinates with the second nut 46 by the second through hole 119.And on the second cell wall of the 3rd groove 118, be provided with the second opening 1110, the second opening 1110 is communicated with the 3rd groove 118 with attachment hole 111, now, the fixed plate 412 that is 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 guarantee that the fixed plate 412 on lower limit cover 42 aligns with the second opening 1110, prevent that the fixed plate 412 of lower limit cover 42 from coming off out from connecting head 11.According to above-mentioned structure, when threaded stem 432 passes the second nut 46, be just in time connected on the fixed plate 412 on upper limit cover 41.While using the extending means of the present embodiment, if need to make extending means in extended configuration, as shown in figure 13, only knob 43 need to be loosened, then make sliding beam 31 dock with support beam 22, again knob 43 is tightened, now one end away from knob cap 431 of threaded stem 432 applies the effect of power to the fixed plate 412 of lower limit cover 42, the 3rd opening 415 of lower limit cover 42 is diminished, sliding beam 31 is fixed on connecting head 11, otherwise, when needs make extending means in contraction state, as shown in figure 14, only need to loosen, by sliding beam 31, the chute 21 along support beam 22 slides as for support beam 22 integrators again, knob 43 is tightened, simple to operate, need to be by other extracting tools, being convenient to user uses.
In conjunction with shown in Fig. 1 to Figure 14, the assemble flow of the extending means of the present embodiment is as follows again:
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, the first nut 452 is alignd with the first through hole 1112, then will assemble upper limit cover 41 and fixed plate 412 and pack attachment hole 111 first ends into, the second end of upper limit cover 41 is overlapped on second step 113, flange 413 is overlapped on the 3rd step 114, prevents that upper limit cover 41 from moving 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 that the first nut 452 from dropping out in the second groove 116.
The assembling of lower limit cover 42: to join process consistent with turning of upper limit cover 41.First, the fixed plate 412 of lower limit cover 42 is put in the spacing hole 414 of lower limit cover 42, the second nut 46 is put into the 3rd groove 118, the second nut 46 is alignd with the second through hole 119, then the lower limit cover 42 and the fixed plate 412 that assemble are packed in the second end of attachment hole 111, the second end of lower limit cover 42 is connected on first step 112, and the flange 413 of lower limit cover 42 is overlapped on the 4th step 1111, prevents that lower limit cover 42 from moving up and down in attachment hole 111.The structure rib 416 of lower limit cover 42 coordinates with the second nut 46, prevents that the second nut 46 from dropping out in the 3rd groove 118.
The assembling of upper and lower bracket component: mounting hole 311 assemblings by the salient point of two slide blocks 50 51 with sliding beam 31, the sliding beam assembling 31 and slide block 50 assemblies are inserted in the chute 21 of support beam 22, make the sliding beam 31 can be at the interior expanding-contracting action of realizing of support beam 22.The bracket component up and down assembling is from top to bottom penetrated in attachment hole 111 again, make upper bracket 20, support beam 22 is inserted in upper limit cover 41, and the second end of support beam 22 is connected on first step 112, guarantees that support beam 22 cannot continue toward lower slider.Lower support frame 30, when sliding beam 31 extends, the lower end surface of slide block 50 and first step 112 laminatings, sliding beam 31 cannot continue to glide, and guarantees the stroke of sliding beam 31.
Finally, double-screw bolt 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 utility model, a kind of rotary blade fan is provided, this rotary blade fan comprises extending means, the extending means is here above-mentioned extending means.
As can be seen from the above description, the utility model the above embodiments have realized following technique effect:
Utilize extending means of the present utility model, if need to make extending means in contraction state, only lower support frame need be slided into upper bracket and is integrated along chute, by fixing-assembly, fix, if and need to make extending means in extended configuration, only lower support frame need be stretched to upper bracket and dock, and be fixed on connecting head by fixing-assembly.Visible, the realization of being slided in chute by lower support frame of the whole telescopic process of extending means, without adopting extracting tool can reach retraction volume, and when extending means is collected, simple to operate, be easy to realize.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
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 to described joint (10) by described connecting head (11) upper, and has and the incorporated contraction state of described upper bracket (20) and the extended configuration that docks with described upper bracket (20);
Fixing-assembly (40), is arranged on connecting head (11) upper, 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), and described upper bracket (20) is limited on described connecting head (11);
Lower limit cover (42), is arranged on the second end of described connecting head (11), and described lower support frame (30) is limited on described connecting head (11).
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) is connected by described connecting head (11) correspondingly with described sliding beam (31).
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 along described chute (21) 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).
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, on described sliding beam (31), be 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) be ovalize tubular structure all, the first end of described oval tubular structure is provided with flange (413), on the arc surface of described oval tubular structure, be provided with spacing hole (414), in described spacing hole (414), be 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 the 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 at described the 3rd step (114) upper, and the first end of described support beam (22) is arranged in described upper limit cover (41) and is pressed on described first step (112).
10. extending means according to claim 9, it is characterized in that, on the arc surface of described oval tubular structure, be also provided with projection (411), on the hole wall of described attachment hole (111), be 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 double-screw bolt (451) and the first nut (452), the first end of described connecting head (11) is provided with the second groove (116) that described the first nut (452) is installed, on the first cell wall of described the second groove (116), be provided with the first through hole (1112), described double-screw bolt (451) coordinates with described the first nut (452) by described the first through hole (1112);
On the second cell wall of described the second groove (116), be provided with the first opening (117), described the second groove (116) is communicated with by described the first opening (117) with described attachment hole (111), and the fixed plate (412) on described upper limit cover (41) aligns with described the first opening (117), described double-screw bolt (451) passes described the first nut (452) and is connected on the fixed plate (412) on described upper limit cover (41).
12. extending meanss according to claim 8, it is characterized in that, on the barrel of described oval tubular structure, be also provided with the 3rd opening (415), described the 3rd opening (415) is along the barrel that axially runs through described oval tubular structure of described oval tubular structure.
13. extending meanss according to claim 9, it is characterized in that, the second end of described attachment hole (111) is provided with the 4th step (1111), it is upper that the second end of described lower limit cover (42) is connected to described the 3rd step (114), and the flange (413) of described lower limit cover (42) is connected on described the 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), comprise knob cap (431) and the threaded stem (432) being connected with described knob cap (431), the second end of described connecting head (11) is provided with the 3rd groove (118), in described the 3rd groove (118), be provided with the second nut (46), on the first cell wall of described the 3rd groove (118), be provided with the second through hole (119), described threaded stem (432) coordinates with described the second nut (46) by described the second through hole (119);
On the second cell wall of described the 3rd groove (118), be provided with the second opening (1110), described the 3rd groove (118) is communicated with by described the second opening (1110) with described attachment hole (111), and the fixed plate (412) on described lower limit cover (42) aligns with described the second opening (1110), described threaded stem (432) passes described the second nut (46) and is 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, described extending means is the extending means described in any one in claim 1 to 14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320548413.4U CN203441900U (en) | 2013-09-04 | 2013-09-04 | Telescoping mechanism and box fan with the telescoping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320548413.4U CN203441900U (en) | 2013-09-04 | 2013-09-04 | Telescoping mechanism and box fan with the telescoping mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203441900U true CN203441900U (en) | 2014-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320548413.4U Withdrawn - After Issue CN203441900U (en) | 2013-09-04 | 2013-09-04 | Telescoping mechanism and box fan with the telescoping mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203441900U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104389820A (en) * | 2014-11-04 | 2015-03-04 | 珠海格力电器股份有限公司 | Upright post connecting structure and electric fan |
| CN104421264A (en) * | 2013-09-04 | 2015-03-18 | 珠海格力电器股份有限公司 | Telescoping mechanism and box fan with same |
| CN104696325A (en) * | 2015-03-09 | 2015-06-10 | 武汉雅虎光电设备有限公司 | End part locking device for circular tube |
-
2013
- 2013-09-04 CN CN201320548413.4U patent/CN203441900U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104421264A (en) * | 2013-09-04 | 2015-03-18 | 珠海格力电器股份有限公司 | Telescoping mechanism and box fan with same |
| CN104421264B (en) * | 2013-09-04 | 2016-08-24 | 珠海格力电器股份有限公司 | Telescoping mechanism and comprise the box fan of this telescoping mechanism |
| CN104389820A (en) * | 2014-11-04 | 2015-03-04 | 珠海格力电器股份有限公司 | Upright post connecting structure and electric fan |
| CN104696325A (en) * | 2015-03-09 | 2015-06-10 | 武汉雅虎光电设备有限公司 | End part locking device for circular tube |
| CN104696325B (en) * | 2015-03-09 | 2016-10-12 | 武汉雅虎光电设备有限公司 | A kind of end locking device of circular pipe fitting |
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