CN214330950U - Blade angle adjusting mechanism suitable for fan - Google Patents
Blade angle adjusting mechanism suitable for fan Download PDFInfo
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- CN214330950U CN214330950U CN202120535418.8U CN202120535418U CN214330950U CN 214330950 U CN214330950 U CN 214330950U CN 202120535418 U CN202120535418 U CN 202120535418U CN 214330950 U CN214330950 U CN 214330950U
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- inner sleeve
- blade
- clamping
- sleeve
- outer sleeve
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Abstract
The utility model discloses a blade angle adjusting mechanism suitable for a fan, which comprises an outer sleeve, an inner sleeve and a clamping component integrated in the inner sleeve; one end of the clamping assembly penetrates through the inner sleeve and extends into the fan shell, and the other end of the clamping assembly penetrates through the inner sleeve and extends out of the fan shell; the portion of the clamping assembly extending into the blower housing is configured as a blade adjustment end that clamps a blade; the part of the clamping component extending to the outside of the fan shell is configured as an operating end, and the operating end drives the blade adjusting end to rotate so as to adjust the angle of the blade. The utility model discloses an adjustment mechanism is integrated at fan shell, through embedding endotheca and centre gripping subassembly, carries out the centre gripping to the blade, and endotheca and overcoat rotate relatively in order to realize blade angular adjustment, and simultaneously, for the convenience of operating personnel observation angular adjustment condition, overcoat department has the angle scale, ensures that blade angular adjustment is more accurate and directly perceived.
Description
Technical Field
The utility model relates to a mine ventilation equipment technical field especially relates to a blade angular adjustment mechanism suitable for fan.
Background
When mining operation in the pit, need set up the ventilation blower on the ground, utilize the ventilation blower to take a breath for borehole operation personnel to and utilize the ventilation blower to take away the partial toxic gas in the pit, consequently, axial fan's air supply volume and the amount of wind of taking out need be adjusted at any time along with the circumstances in the pit.
The air quantity of the ventilator in the prior art is adjusted mainly by adjusting the angle of the blade, so that the power of an internal motor of the ventilator is not beneficial to adjustment and replacement, and therefore, the adjustment of the angle of the blade is the most direct operation which saves the cost.
And the air volume of adjusting the ventilation blower among the prior art mainly is the mode of manual adjustment blade, needs the operation personnel to get into inside the fan usually, utilizes tools such as spanner to move the blade, nevertheless, the operation can let operation personnel work load increase on the one hand like this, and on the other hand can influence the quality of fan blade adjustment owing to different operation personnel ability differences, causes the amount of wind unstable, perhaps can't satisfy the technological requirement.
Therefore, in view of the above technical problems, it is highly desirable to develop a mechanism for adjusting the blade angle of a fan conveniently for operators, and the mechanism can be applied to different operators.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel structure, convenient operation, can let the mechanism of the blade angle of operation personnel adjustment fan more directly perceivedly.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model discloses a blade angle adjustment mechanism suitable for fan, this guiding mechanism are integrated in fan shell, guiding mechanism includes:
the outer sleeve is fixedly connected with the fan shell;
the inner sleeve is partially embedded into the outer sleeve and is rotationally connected with the outer sleeve; and
a clamping assembly integrated with the inner sleeve;
one end of the clamping assembly penetrates through the inner sleeve and extends into the fan shell, and the other end of the clamping assembly penetrates through the inner sleeve and extends out of the fan shell;
the portion of the clamping assembly extending into the blower housing is configured as a blade adjustment end that clamps a blade;
the part of the clamping component extending to the outside of the fan shell is configured as an operating end, and the operating end drives the blade adjusting end to rotate so as to adjust the angle of the blade.
Further, the outer sleeve is of a cylindrical structure embedded in the fan shell;
the jacket comprises a first outer sleeve embedded in the fan housing; and
an outer sleeve ring surface formed on the outer end surface of the first outer sleeve;
the outer sleeve annularly fits the outer surface of the fan shell;
the inner part of the outer sleeve is formed into an inner sleeve embedding hole.
Further, the inner sleeve includes:
the first inner sleeve is embedded into the inner sleeve embedding hole; and
an inner sleeve ring surface formed on the outer end surface of the first inner sleeve;
the annular surface of the inner sleeve is attached to the outer surface of the annular surface of the outer sleeve;
a certain gap is reserved between the edge of the annular surface of the inner sleeve and the outer edge of the annular surface of the outer sleeve;
the first inner sleeve is rotatable relative to the first outer sleeve.
Further, a rotating shaft is arranged in the inner sleeve along the radial direction of the inner sleeve;
the clamping assembly comprises:
the clamping pieces are symmetrically arranged and are rotationally connected with the rotating shaft;
the clamping pieces can be turned around the rotating shaft to adjust the relative distance between the ends of the two clamping pieces;
this centre gripping subassembly still includes:
the positioning structure is integrated on one side of the operating end of the clamping assembly;
the positioning structure is capable of maintaining the blade adjustment end of the clamping assembly in a clamped state.
Further, the positioning structure includes:
a fastening bolt extending in the axial direction of the inner sleeve and assembled with the rotating shaft; and
the locking inclined iron is arranged on the fastening bolt and close to the operating end;
the locking inclined iron is configured to be a structure with a gradually-increased cross-sectional size from one end close to the clamping assembly to one end far away from the clamping assembly, and the inclination of the inclined surface of the locking inclined iron is matched with that of the inclined surface of the clamping piece.
Further, a circular ring surface between the inner sleeve circular ring surface and the outer sleeve circular ring surface is configured as an angle identification surface;
the annular surface of the outer sleeve is provided with angle scales;
the inner sleeve annulus has a pointer.
In the technical scheme, the utility model provides a blade angle guiding mechanism suitable for fan has following beneficial effect:
the utility model discloses an adjustment mechanism is integrated at fan shell, through embedding endotheca and centre gripping subassembly, carries out the centre gripping to the blade, and endotheca and overcoat rotate relatively in order to realize blade angular adjustment, and simultaneously, for the convenience of operating personnel observation angular adjustment condition, overcoat department has the angle scale, ensures that blade angular adjustment is more accurate and directly perceived.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a schematic structural diagram of a blade angle adjusting mechanism suitable for a fan according to an embodiment of the present invention;
fig. 2 is a top view of the blade angle adjusting mechanism suitable for a fan provided by the embodiment of the present invention.
Description of reference numerals:
1. a jacket; 2. an inner sleeve; 3. a clamping assembly; 4. a positioning structure; 5. an angle marking surface;
101. a first outer sleeve; 102. an outer sleeve annulus; 103. the inner sleeve is inserted into the hole;
201. a first inner sleeve; 202. an inner sleeve annulus;
301. a rotating shaft; 302. a clamping piece; 303. a blade adjusting end; 304. an operation end;
401. fastening a bolt; 402. locking the wedge;
501. angle scales; 502. a pointer.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
See fig. 1-2;
the utility model discloses a blade angle adjustment mechanism suitable for fan, this guiding mechanism is integrated in fan housing, and guiding mechanism includes:
the outer sleeve 1 is fixedly connected with the fan shell;
an inner sleeve 2 which is partially embedded into the outer sleeve 1 and is rotationally connected with the outer sleeve 1; and
a clamping component 3 integrated in the inner sleeve 2;
one end of the clamping component 3 penetrates through the inner sleeve 2 and extends into the shell of the fan, and the other end of the clamping component 3 penetrates through the inner sleeve 2 and extends out of the shell of the fan;
the part of the clamping assembly 3 extending to the interior of the fan housing is configured as a blade adjusting end 303, the blade adjusting end 303 clamping the blade;
the portion of the clamping assembly 3 extending outside the blower housing is configured as an operating end 304, and the operating end 304 rotates the blade adjusting end 303 to adjust the angle of the blade.
Specifically, the embodiment discloses a blade angle adjusting mechanism, wherein an outer sleeve 1 is fixedly assembled with a fan shell, an inner sleeve 2 and a clamping component 3 in the inner sleeve 2 of the embodiment are detachable components, when the blade angle needs to be adjusted, the inner sleeve 2 and the clamping component 3 are integrally embedded into the outer sleeve 1, meanwhile, the inner sleeve 2 and the clamping component 3 rotate relative to the outer sleeve 1, one end of the clamping component 3 of the embodiment, which extends to the interior of the fan shell, is a blade adjusting end 303, which can clamp a blade needing angle adjustment, and then the inner sleeve 2 and the clamping component 3 integrally rotate relative to the outer sleeve 1, so that the angle adjustment of one blade is completed; similarly, when adjusting other blades, only need rotating vane, with next blade that needs angle of adjustment rotate adjustment mechanism department can, so relapse, adjust a plurality of blades one by one.
Preferably, the outer sleeve 1 in this embodiment is a cylindrical structure embedded in the casing of the blower;
the jacket 1 comprises a first outer sleeve 101 embedded in the blower housing; and
an outer sleeve annulus 102 formed on the outer end face of the first outer sleeve 101;
the outer sleeve annulus 102 conforms to the outer surface of the blower housing;
the outer sleeve 1 is formed with an inner sleeve fitting hole 103 inside.
Wherein, above-mentioned endotheca 2 includes:
a first inner sleeve 201 fitted into the inner sleeve fitting hole 103; and
an inner sleeve annulus 202 formed on the outer end face of the first inner sleeve 201;
the inner sleeve annulus 202 conforms to the outer surface of the outer sleeve annulus 102;
a certain gap is reserved between the edge of the inner sleeve annular surface 202 and the outer edge of the outer sleeve annular surface 102;
first inner sleeve 201 is able to rotate relative to first outer sleeve 101.
The structure of overcoat 1 and endotheca 2 has been introduced in detail here, because overcoat 1 of this embodiment is integrated at the fan shell, consequently, during the design, set up the through-hole earlier at the assigned position of fan shell, with overcoat 1 embedding wherein to link firmly, can adopt welded fastening or the fixed mode of fastener, then when needing the adjustment blade angle, imbed endotheca 2 in overcoat 1, and utilize 3 centre gripping blades of centre gripping subassembly, the adjustment of rotatory realization blade angle.
Preferably, in the present embodiment, the inner sleeve 2 is provided with a rotating shaft 301 along its radial direction;
the clamping assembly 3 comprises:
clamping pieces 302 which are symmetrically arranged and are rotatably connected with the rotating shaft 301;
the clamping pieces 302 can be turned over around the rotating shaft 301 to adjust the relative distance of the ends of the two clamping pieces 302;
the clamping assembly 3 further comprises:
a positioning structure 4 integrated on the side of the operation end 304 of the clamping assembly 3;
the positioning structure 4 is capable of maintaining the blade adjustment end 303 of the clamping assembly 3 in a clamped state.
Wherein, location structure 4 includes in this embodiment:
a fastening bolt 401 extending in the axial direction of the inner sleeve 2 and fitted with the rotation shaft 301; and
a locking wedge 402 mounted to the fastening bolt 401 near the operating end 304;
the locking ramp 402 is configured to have a gradually increasing cross-sectional dimension from the end near the clamping assembly 3 to the end away from the clamping assembly 3, and the slope of the locking ramp 402 matches the slope of the clamping tab 302.
The structure and the working principle of the clamping assembly 3 are described in detail, wherein the clamping assembly 3 is rotatably connected in the inner sleeve 2 through a rotating shaft 301, two clamping pieces 302 can be used as a clamp, one end close to the blade is a clamping end, the other end far away from the blade is an operating end, at the same time, a fastening bolt 401 is installed in the axial direction, and a locking wedge 402 is provided, since the blade adjustment end 303 of the clamp assembly 3 is required to clamp the blade, it is required that the locking wedge 402 is embedded to a certain depth, the angle of the clamp assembly 3 is maintained by the wedge-shaped locking wedge 402, therefore, the blade is clamped, the inner sleeve 2 can be rotated at the moment, during rotation, an operator can clamp the outer end of the fastening bolt 401 by means of tools such as a wrench, the wrench pulls the end to integrally rotate the clamping assembly 3 and the inner sleeve 2, and angle adjustment of the blade is completed.
Preferably, to enhance the circular ring surface between the inner sleeve ring surface 202 and the outer sleeve ring surface 102 is configured as an angular logo surface 5;
the surface of the outer sleeve ring surface 102 is provided with an angle scale 501;
the inner sleeve annulus 202 has a pointer 502.
In order to enable an operator to measure and observe the adjusted angle more intuitively, the angle marking surface 5 is reserved in the embodiment, once the inner sleeve 2 rotates, the pointer 502 on the end surface of the inner sleeve can indicate the rotating angle intuitively, and therefore the adjusting precision is ensured.
In the technical scheme, the utility model provides a blade angle guiding mechanism suitable for fan has following beneficial effect:
the utility model discloses an adjustment mechanism is integrated at fan housing, through embedding endotheca 2 and centre gripping subassembly 3, carries out the centre gripping to the blade, and endotheca 2 and 1 relative rotations of overcoat are in order to realize blade angular adjustment, and simultaneously, for the convenience of operating personnel observation angular adjustment circumstances, overcoat 1 department has the angle scale, ensures that blade angular adjustment is more accurate and directly perceived.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (6)
1. Blade angle adjustment mechanism suitable for fan, its characterized in that, this guiding mechanism is integrated in fan shell, guiding mechanism includes:
the outer sleeve (1) is fixedly connected with the fan shell;
an inner sleeve (2) which is partially embedded into the outer sleeve (1) and is rotationally connected with the outer sleeve (1); and
a clamping assembly (3) integrated with the inner sleeve (2);
one end of the clamping component (3) penetrates through the inner sleeve (2) and extends to the inside of the fan shell, and the other end of the clamping component (3) penetrates through the inner sleeve (2) and extends to the outside of the fan shell;
the part of the clamping component (3) extending to the interior of the fan shell is configured as a blade adjusting end (303), and the blade adjusting end (303) clamps the blade;
the part of the clamping component (3) extending to the outside of the fan shell is configured as an operation end (304), and the operation end (304) drives the blade adjusting end (303) to rotate so as to adjust the angle of the blade.
2. The blade angle adjusting mechanism for the blower fan according to claim 1, wherein the outer casing (1) is a cylindrical structure embedded in the blower fan housing;
the jacket (1) comprises a first outer sleeve (101) embedded in the blower housing; and
an outer sleeve ring surface (102) formed on the outer end surface of the first outer sleeve (101);
the outer sleeve annulus (102) conforms to the outer surface of the blower housing;
an inner sleeve embedding hole (103) is formed in the outer sleeve (1).
3. The blade angle adjusting mechanism for a blower according to claim 2, wherein the inner sleeve (2) comprises:
a first inner sleeve (201) fitted into the inner sleeve fitting hole (103); and
an inner sleeve annulus (202) formed on an outer end surface of the first inner sleeve (201);
the inner sleeve annulus (202) conforms to the outer surface of the outer sleeve annulus (102);
a certain gap is reserved between the edge of the inner sleeve annular surface (202) and the outer edge of the outer sleeve annular surface (102);
the first inner sleeve (201) is rotatable relative to the first outer sleeve (101).
4. The blade angle adjusting mechanism for a blower fan according to claim 3, wherein a rotating shaft (301) is installed inside the inner sleeve (2) in a radial direction thereof;
the clamping assembly (3) comprises:
the clamping pieces (302) are symmetrically arranged and are rotationally connected with the rotating shaft (301);
the clamping pieces (302) can be turned around the rotating shaft (301) to adjust the relative distance between the ends of the two clamping pieces (302);
the clamping assembly (3) further comprises:
a positioning structure (4) integrated on one side of the operating end (304) of the clamping assembly (3);
the positioning structure (4) can keep the blade adjusting end (303) of the clamping assembly (3) in a clamping state.
5. The blade angle adjustment mechanism for a wind turbine according to claim 4, wherein the positioning structure (4) comprises:
a fastening bolt (401) extending in the axial direction of the inner sleeve (2) and fitted with the rotating shaft (301); and
a locking wedge (402) mounted to the fastening bolt (401) proximate the operating end (304);
the locking inclined iron (402) is configured into a structure with the section size gradually increasing from one end close to the clamping assembly (3) to one end far away from the clamping assembly (3), and the inclination of the inclined surface of the locking inclined iron (402) is matched with that of the inclined surface of the clamping piece (302).
6. The blade angle adjustment mechanism for wind turbines according to claim 3, wherein a torus between the inner sleeve torus (202) and the outer sleeve torus (102) is configured as an angle identification surface (5);
the surface of the outer sleeve ring surface (102) is provided with an angle scale (501);
the inner sleeve annulus (202) has a pointer (502).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120535418.8U CN214330950U (en) | 2021-03-15 | 2021-03-15 | Blade angle adjusting mechanism suitable for fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120535418.8U CN214330950U (en) | 2021-03-15 | 2021-03-15 | Blade angle adjusting mechanism suitable for fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214330950U true CN214330950U (en) | 2021-10-01 |
Family
ID=77888530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120535418.8U Active CN214330950U (en) | 2021-03-15 | 2021-03-15 | Blade angle adjusting mechanism suitable for fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214330950U (en) |
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2021
- 2021-03-15 CN CN202120535418.8U patent/CN214330950U/en active Active
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