CN204532916U - A kind of new type explosion proof propeller fan - Google Patents
A kind of new type explosion proof propeller fan Download PDFInfo
- Publication number
- CN204532916U CN204532916U CN201520234736.5U CN201520234736U CN204532916U CN 204532916 U CN204532916 U CN 204532916U CN 201520234736 U CN201520234736 U CN 201520234736U CN 204532916 U CN204532916 U CN 204532916U
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- axle sleeve
- blower housing
- fixed
- new type
- propeller fan
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Abstract
The utility model discloses a kind of new type explosion proof propeller fan, comprise impeller, Blower Housing and anti-explosion motor, described Blower Housing is cylindric, the bottom of Blower Housing is fixed with two connection brackets, supporting base is fixed with in the madial wall of Blower Housing, anti-explosion motor is fixed in supporting base, the output shaft of anti-explosion motor is connected with axle sleeve by key, the rear portion outer wall of axle sleeve has radial extension edge, the wheel hub sleeve of impeller is in the rear end of axle sleeve and be fixedly connected on radial extension edge by fixing bolt, hold-doun nut is screwed onto the top of output shaft and is pressed against on the front-end face of axle sleeve, in the radial protrusion portion that the rear portion outer wall that the ear end face of axle sleeve is pressed against output shaft has.It is not only and have employed anti-explosion motor, and it there is also mounted transverse pipe and the connecting line of right angle connecting tube to anti-explosion motor is protected, simultaneously; impeller is arranged on the rear end of axle sleeve by it, thus reduces the length of Blower Housing, greatly reduces fabricating cost; alleviate weight, reduce cost of transportation.
Description
Technical field:
The utility model relates to hardware technical field, relates to a kind of new type explosion proof propeller fan in particular.
Background technique:
The explosion-proof axial-flow ventilator used in existing gas compressor its be generally adopt anti-explosion motor, but motor connecting wire does not generally have specific explosion precaution, connecting line is easily made to produce potential safety hazard, simultaneously, in existing propeller fan, its be generally anti-explosion motor output shaft on be fixed with axle sleeve, the front end sleeve impeller of axle sleeve, and the hold-doun nut that is spirally connected in the front end of output shaft, thus it is fixing to make axle sleeve realize, this structure as shown in Figure 1, because impeller is arranged on the front end of axle sleeve, it makes the width of Blower Housing increase, add fabricating cost, and add blower fan weight, the All aspects of such as transport all create waste, cost increases.
Model utility content:
The purpose of this utility model overcomes the deficiencies in the prior art; a kind of new type explosion proof propeller fan is provided; it is not only and have employed anti-explosion motor; it there is also mounted transverse pipe and the connecting line of right angle connecting tube to anti-explosion motor is protected, and meanwhile, impeller is arranged on the rear end of axle sleeve by it; thus reduce the length of Blower Housing; greatly reduce fabricating cost, alleviate weight, reduce cost of transportation.
The scheme that the utility model solve the technical problem is:
A kind of new type explosion proof propeller fan, comprise impeller, Blower Housing and anti-explosion motor, described Blower Housing is cylindric, the bottom of Blower Housing is fixed with two connection brackets, supporting base is fixed with in the madial wall of Blower Housing, anti-explosion motor is fixed in supporting base, the output shaft of anti-explosion motor is connected with axle sleeve by key, the rear portion outer wall of axle sleeve has radial extension edge, the wheel hub sleeve of impeller is in the rear end of axle sleeve and be fixedly connected on radial extension edge by fixing bolt, hold-doun nut is screwed onto the top of output shaft and is pressed against on the front-end face of axle sleeve, in the radial protrusion portion that the rear portion outer wall that the ear end face of axle sleeve is pressed against output shaft has.
The rear end of described Blower Housing is fixed with protective net.
The housing upper of described anti-explosion motor is fixed with right angle connecting tube, and the other end of right angle connecting tube connects transverse pipe, and transverse pipe stretches out Blower Housing and the end of incoming cables, top of the anti-explosion terminal box be fixed with the outer wall of Blower Housing is connected.
Two vertical plates that described supporting base is fixed with by the bottom surface of transverse plate and transverse plate form, two vertical plates near the side of the blade of impeller be by upper under the oblique limit that tilts gradually backward.
Axle sleeve is divided into front waist section and rear section by the radial extension edge that the middle part of described axle sleeve has, and the wheel hub sleeve of impeller is in rear section, and the length of front waist section is greater than the length of rear section.
Between described radial extension edge and front ends, there is oblique changeover portion.
Outstanding effect of the present utility model is:
Compared with prior art; it is not only and have employed anti-explosion motor; it there is also mounted transverse pipe and the connecting line of right angle connecting tube to anti-explosion motor is protected; simultaneously; impeller is arranged on the rear end of axle sleeve by it, thus reduces the length of Blower Housing, greatly reduces fabricating cost; alleviate weight, reduce cost of transportation.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of existing equipment;
Fig. 2 is structural representation of the present utility model;
Fig. 3 of the present utility modelly changes angle partial structurtes schematic diagram;
Fig. 4 is the structural representation of existing axle sleeve;
Fig. 5 is the structural representation of axle sleeve of the present utility model.
Embodiment:
Embodiment, see as shown in Fig. 1 to 5, a kind of new type explosion proof propeller fan, comprise impeller 10, Blower Housing 20 and anti-explosion motor 30, described Blower Housing 20 is cylindric, the bottom of Blower Housing 20 is fixed with two connection brackets 40, supporting base 50 is fixed with in the madial wall of Blower Housing 20, anti-explosion motor 30 is fixed in supporting base 50, the output shaft 31 of anti-explosion motor 30 is connected with axle sleeve 60 by key, the rear portion outer wall of axle sleeve 60 has radial extension edge 61, the wheel hub sleeve of impeller 10 is in the rear end of axle sleeve 60 and be fixedly connected on radial extension edge 61 by fixing bolt, hold-doun nut 62 is screwed onto the top of output shaft 31 and is pressed against on the front-end face of axle sleeve 60, in the radial protrusion portion 32 that the rear portion outer wall that the ear end face of axle sleeve 60 is pressed against output shaft 31 has.
Further, the rear end of described Blower Housing 20 is fixed with protective net 70.
Further, the housing upper of described anti-explosion motor 30 is fixed with right angle connecting tube 33, the other end of right angle connecting tube 33 connects transverse pipe 34, and transverse pipe 34 stretches out Blower Housing 20 and the end of incoming cables, top of the anti-explosion terminal box 21 be fixed with the outer wall of Blower Housing 20 is connected.
Further, two vertical plates 52 that described supporting base 50 is fixed with by the bottom surface of transverse plate 51 and transverse plate 51 form, two vertical plates 52 near the side of the blade of impeller 10 be by upper under the oblique limit 53 that tilts gradually backward.
Further, axle sleeve 60 is divided into front waist section 63 and rear section 64 by the radial extension edge 61 that the middle part of described axle sleeve 60 has, and the wheel hub sleeve of impeller 10 is in rear section 64, and the length of front waist section 63 is greater than the length of rear section 64.
Further, between described radial extension edge 61 and front ends 63, there is oblique changeover portion 65.
Right angle connecting tube 33 is fixed with by the housing upper of anti-explosion motor 30; the other end of right angle connecting tube 33 connects transverse pipe 34; transverse pipe 34 stretches out Blower Housing 20 and the end of incoming cables, top of the anti-explosion terminal box 21 be fixed with the outer wall of Blower Housing 20 is connected, and the connecting line of anti-explosion motor 30 can be protected like this to damage.
See that Fig. 1 and Fig. 2 is known, in Fig. 1, it is mounted in the front end of axle sleeve 60 due to impeller 10, its part is more protruding than hold-doun nut 62, in order to ensure that it normally runs and safety, just making the width of Blower Housing 20 need to extend guarantee impeller 10 is in Blower Housing 20, and Fig. 2 is known, adopt structure of the present utility model, it is arranged on the rear end of axle sleeve 60, make impeller 10 in the inside of Blower Housing 20, it can not than hold-doun nut 62 more to overhanging, thus Blower Housing 20 can be shortened, its materials are more economized, while saving cost of material, also the weight of transport is reduced, reduce the cost of transport.
Finally; above mode of execution is only for illustration of the utility model; and be not limitation of the utility model; the those of ordinary skill of relevant technical field; when not departing from spirit and scope of the present utility model; can also make a variety of changes and modification, therefore all equivalent technological schemes also belong to category of the present utility model, and scope of patent protection of the present utility model should be defined by the claims.
Claims (6)
1. a new type explosion proof propeller fan, comprise impeller (10), Blower Housing (20) and anti-explosion motor (30), it is characterized in that: described Blower Housing (20) is for cylindric, the bottom of Blower Housing (20) is fixed with two connection brackets (40), supporting base (50) is fixed with in the madial wall of Blower Housing (20), anti-explosion motor (30) is fixed in supporting base (50), the output shaft (31) of anti-explosion motor (30) is connected with axle sleeve (60) by key, the rear portion outer wall of axle sleeve (60) has radial extension edge (61), the wheel hub sleeve of impeller (10) is fixedly connected in the rear end of axle sleeve (60) and by fixing bolt on radial extension edge (61), hold-doun nut (62) is screwed onto the top of output shaft (31) and is pressed against on the front-end face of axle sleeve (60), in the radial protrusion portion (32) that the rear portion outer wall that the ear end face of axle sleeve (60) is pressed against output shaft (31) has.
2. a kind of new type explosion proof propeller fan according to claim 1, is characterized in that: the rear end of described Blower Housing (20) is fixed with protective net (70).
3. a kind of new type explosion proof propeller fan according to claim 2, it is characterized in that: the housing upper of described anti-explosion motor (30) is fixed with right angle connecting tube (33), the other end of right angle connecting tube (33) connects transverse pipe (34), and transverse pipe (34) stretches out Blower Housing (20) and the end of incoming cables, top of the anti-explosion terminal box (21) be fixed with the outer wall of Blower Housing (20) is connected.
4. a kind of new type explosion proof propeller fan according to claim 3, it is characterized in that: two vertical plates (52) that described supporting base (50) is fixed with by the bottom surface of transverse plate (51) and transverse plate (51) form, two vertical plates (52) near the side of the blade of impellers (10) be by upper under the oblique limit (53) that tilts gradually backward.
5. a kind of new type explosion proof propeller fan according to claim 4, it is characterized in that: axle sleeve (60) is divided into front waist section (63) and rear section (64) by the radial extension edge (61) that the middle part of described axle sleeve (60) has, the wheel hub sleeve of impeller (10) is in rear section (64), and the length of front waist section (63) is greater than the length of rear section (64).
6. a kind of new type explosion proof propeller fan according to claim 5, is characterized in that: have oblique changeover portion (65) between described radial extension edge (61) and front ends (63).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520234736.5U CN204532916U (en) | 2015-04-17 | 2015-04-17 | A kind of new type explosion proof propeller fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520234736.5U CN204532916U (en) | 2015-04-17 | 2015-04-17 | A kind of new type explosion proof propeller fan |
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| Publication Number | Publication Date |
|---|---|
| CN204532916U true CN204532916U (en) | 2015-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520234736.5U Active CN204532916U (en) | 2015-04-17 | 2015-04-17 | A kind of new type explosion proof propeller fan |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114140989A (en) * | 2021-12-15 | 2022-03-04 | 晋能控股煤业集团有限公司 | Automatic gas leakage alarm processing device based on Internet of things system |
-
2015
- 2015-04-17 CN CN201520234736.5U patent/CN204532916U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114140989A (en) * | 2021-12-15 | 2022-03-04 | 晋能控股煤业集团有限公司 | Automatic gas leakage alarm processing device based on Internet of things system |
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