CN203948567U - A kind of compact type is low temperature resistant, the worm type of reduction gearing of low noise - Google Patents
A kind of compact type is low temperature resistant, the worm type of reduction gearing of low noise Download PDFInfo
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- CN203948567U CN203948567U CN201420329728.4U CN201420329728U CN203948567U CN 203948567 U CN203948567 U CN 203948567U CN 201420329728 U CN201420329728 U CN 201420329728U CN 203948567 U CN203948567 U CN 203948567U
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- worm
- shaft assembly
- temperature resistant
- low temperature
- reduction gearing
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Abstract
The utility model discloses a kind of compact type low temperature resistant, the worm type of reduction gearing of low noise, comprise housing, setting sleeve, worm screw and motor shaft assembly, worm gear and worm-wheel shaft assembly and end cap, the top of housing is provided with the first installation cavity, setting sleeve is arranged in the first installation cavity, worm screw and motor shaft assembly are nested in setting sleeve, the bottom of housing is provided with second installation cavity vertical with the first installation cavity, worm screw of the present utility model and motor shaft assembly, worm gear and worm-wheel shaft component height are integrated, make worm type of reduction gearing general structure compacter, weight is lighter, cancel and having transmitted with key and fastening piece, the intensity of output shaft and the stationarity of transmission are improved, component are few, assembling easily, cost of production is lower, adopt low temperature resistant, low noise bearing and powder metallurgy setting sleeve, and coordinate special worm type of reduction gearing lubricating grease, make to be applied to the ambient temperature occasion of-40 DEG C, and performance index and stable working also do not reduce, have a good application prospect.
Description
Technical field
The utility model relates to power transmission technical field, is specifically related to that a kind of compact type is low temperature resistant, the worm type of reduction gearing of low noise.
Background technique
Worm-gear speed reducer is a kind of power transmission mechanism, utilize the velocity transducer of gear, the winding number of motor (motor) is decelerated to desired winding number, and obtain the mechanism of larger torque, in the current mechanism for transferring power and motion, the application area of speed reducer is quite extensive, but, existing worm type of reduction gearing, be mainly used in transmitting and moving and power between alternating axis, inefficiency, easily heating, resistance to low temperature is poor, noise is large, worm gear manufacture needs valuable anti-attrition non-ferrous metal, cost is high, and, general structure complexity, processing and assembling difficulty are large, for the retarder of the multiple way of output and size requirement, number of spare parts is relative with kind require more, be inconvenient to produce in batches.
Model utility content
The technical problem that the utility model solves is to overcome existing worm type of reduction gearing, inefficiency, easily heating, resistance to low temperature is poor, noise is large, worm gear manufacture needs valuable anti-attrition non-ferrous metal, cost is high, and, general structure complexity, processing and assembling difficulty are large, for the retarder of the multiple way of output and size requirement, number of spare parts is relative with kind require more, the problem of being inconvenient to produce in batches.
In order to solve the problems of the technologies described above, the technological scheme that the utility model adopts is:
A kind of compact type is low temperature resistant, the worm type of reduction gearing of low noise, it is characterized in that: comprise housing, setting sleeve, worm screw and motor shaft assembly, worm gear and worm-wheel shaft assembly and end cap, the top of described housing is provided with the first installation cavity, described setting sleeve is arranged in the first installation cavity, described worm screw and motor shaft assembly are nested in setting sleeve, the bottom of described housing is provided with second installation cavity vertical with the first installation cavity, one end of described worm gear and worm-wheel shaft assembly is socketed with the first spacer ring successively, the first spacer, the first low temperature resistant bearing, and be nested in the second installation cavity, described worm screw and motor shaft assembly, worm gear with worm-wheel shaft assembly in the vertical interlock of housing, the other end of described worm gear and worm-wheel shaft assembly is socketed with the second spacer ring successively, the second spacer, the second low temperature resistant bearing, and be nested on end cap, the worm-wheel shaft of described worm gear and worm-wheel shaft assembly extends end cap, described end cap lid is connected on the outside of the second installation cavity.
Aforesaid a kind of compact type is low temperature resistant, the worm type of reduction gearing of low noise, it is characterized in that: described worm gear and worm-wheel shaft assembly and end cap contacting point are provided with a circle seal ring.
Aforesaid a kind of compact type is low temperature resistant, the worm type of reduction gearing of low noise, it is characterized in that: described end cap is fixed on the outside of the second installation cavity of housing by attachment screw.
Aforesaid a kind of compact type is low temperature resistant, the worm type of reduction gearing of low noise, it is characterized in that: described setting sleeve adopts powder metallurgical technique punching press one-body molded.
Aforesaid a kind of compact type is low temperature resistant, the worm type of reduction gearing of low noise, it is characterized in that: described worm screw and motor shaft assembly comprise the employing integrated worm screw of Steel material and motor shaft, and described worm set is connected on downward position, motor shaft middle part.
Aforesaid a kind of compact type is low temperature resistant, the worm type of reduction gearing of low noise, it is characterized in that: described worm gear and worm-wheel shaft assembly comprise the employing integrated worm gear of nylon material and worm-wheel shaft, described worm gear set is connected on downward position, worm-wheel shaft middle part, the interlock vertical with described worm screw of described worm gear.
Aforesaid a kind of compact type is low temperature resistant, the worm type of reduction gearing of low noise, it is characterized in that: described the first low temperature resistant bearing, the second low temperature resistant bearing adopt GCr15 material to make.
The beneficial effects of the utility model are: compact type of the present utility model is low temperature resistant, the worm type of reduction gearing of low noise, comprise housing, setting sleeve, worm screw and motor shaft assembly, worm gear and worm-wheel shaft assembly and end cap, parts are few, easy to assembly, have the following advantages
(1) worm screw and motor shaft assembly, worm gear and worm-wheel shaft component height are integrated, make worm type of reduction gearing general structure compacter, weight is lighter, worm screw and motor shaft assembly, worm gear and worm-wheel shaft assembly, cancel and having transmitted with key and fastening piece, improve the intensity of output shaft and the stationarity of transmission, simple in structure;
(2), the component of this retarder are few, and easily, cost of production is lower, takes the worm screw of worm gear and the Steel material of nylon material for processing and assembling, makes assembling more convenient, has also reduced friction, noise and the temperature of transmission, has improved working life;
(3), housing and end cap are taked aluminum alloy material, have also effectively reduced temperature and noise that transmission process produces;
(4), adopt low temperature resistant, low noise bearing and powder metallurgy setting sleeve, and coordinate special worm type of reduction gearing lubricating grease, make to be applied to the ambient temperature occasion of-40 DEG C, need not take any heating measure, working state all keeps normally, and performance index and stable working also do not reduce.
Brief description of the drawings
Fig. 1 is that compact type of the present utility model is low temperature resistant, the structural representation of the worm type of reduction gearing of low noise.
Fig. 2 is that compact type of the present utility model is low temperature resistant, schematic diagram after the assembling of the worm type of reduction gearing of low noise.
Reference character implication is as follows:
1: housing; 101: the first installation cavitys; 102: the second installation cavitys; 2: setting sleeve; 3: worm screw and motor shaft assembly; 301: worm screw; 302: motor shaft; 4: worm gear and worm-wheel shaft assembly; 401: worm gear; 402: worm-wheel shaft; 5: end cap; 6: the first spacer rings; 7: the first spacers; 8: the first low temperature resistant bearings; 9: the second spacer rings; 10: the second spacers; 11: the second low temperature resistant bearings; 12: seal ring; 13: attachment screw.
Embodiment
Below in conjunction with Figure of description, the utility model is further described.
As shown in Figure 1, a kind of compact type is low temperature resistant, the worm type of reduction gearing of low noise, comprise housing 1, setting sleeve 2, worm screw and motor shaft assembly 3, worm gear and worm-wheel shaft assembly 4 and end cap 5, the top of housing 1 is provided with the first installation cavity 101, setting sleeve 2 is arranged in the first installation cavity 101, setting sleeve 2 adopts powder metallurgical technique punching press one-body molded, preparation process is simple, convenient for production, and, the setting sleeve 2 of powder metallurgy, rub resistance coefficient is better, long service life, worm screw and motor shaft assembly 3 are nested in setting sleeve 2, the bottom of housing 1 is provided with second installation cavity 102 vertical with the first installation cavity 101, one end of worm gear and worm-wheel shaft assembly 4 is socketed with the first spacer ring 6 successively, the first spacer 7, the first low temperature resistant bearing 8, and be nested in the second installation cavity 102, worm screw and motor shaft assembly 3, worm gear with worm-wheel shaft assembly 4 in the vertical interlock of housing 1, the other end of worm gear and worm-wheel shaft assembly 4 is socketed with the second spacer ring 9 successively, the second spacer 10, the second low temperature resistant bearing 11, and be nested on end cap 5, the worm-wheel shaft of worm gear and worm-wheel shaft assembly 4 extends end cap 5, end cap 5 lids are connected on the outside of the second installation cavity 102, end cap 5 is fixed on the outside of the second installation cavity 102 of housing 1 by attachment screw 13.
Described the first low temperature resistant bearing 8, the second low temperature resistant bearing 11 adopt GCr15 material to make.
Described worm gear and worm-wheel shaft assembly 4 are provided with a circle seal ring 12 with end cap 5 contacting points, improve sealing, the noise sending while reducing worm screw and motor shaft assembly 3, worm gear and 4 interlock of worm-wheel shaft assembly.
Described worm screw and motor shaft assembly 3 comprise the employing integrated worm screw 301 of Steel material and motor shaft 302, and worm screw 301 is socketed on downward position, motor shaft 302 middle parts; Worm gear and worm-wheel shaft assembly 4 comprise the employing integrated worm gear 401 of nylon material and worm-wheel shaft 402, and described worm gear 401 is socketed on downward position, worm-wheel shaft 402 middle parts, worm gear 401 and the vertical interlock of described worm screw 301.
Worm screw of the present utility model and motor shaft assembly 3, worm gear and worm-wheel shaft assembly 4 are highly integrated, make general structure compacter, the lighter worm screw 301 of weight and motor shaft 302 form an assembly, have reduced transition coupling, have improved the intensity of input shaft and the precision of transmission; Worm gear 401 and worm-wheel shaft 402 are formed to an assembly, cancelled and having transmitted with key and fastening piece, improved the intensity of output shaft and the stationarity of transmission; Housing 1 and end cap 5, take aluminum alloy material, also temperature and noise that transmission process produces have effectively been reduced, take the worm gear 401 of nylon material and the 301 phase interlocks of the worm screw of Steel material, make assembling more convenient, also reduce friction, noise and the temperature of transmission, the structural drawing after assembling, as shown in Figure 2; Take the transmission between worm gear 401 and the slim worm screw 301 of helical gear form, processing and the matching requirements of worm gear are suitably reduced, also improve working life, adopt low temperature resistant bearing and powder metallurgy setting sleeve, and coordinate special worm type of reduction gearing lubricating grease, worm type of reduction gearing lubricating grease is LC-B grease, make to be applied to the ambient temperature occasion of-40 DEG C, need not take any heating measure, working state all keeps normally, and performance index and stable working also do not reduce.
Worm type of reduction gearing of the present utility model, has now been applied in Rail Door prosecutor face, drives for the open and close of door, and worm gear, worm screw mounting center distance are 31mm; Speed ratio has 10:1 or 15:1.
More than show and described basic principle of the present utility model and major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (7)
1. a compact type is low temperature resistant, the worm type of reduction gearing of low noise, it is characterized in that: comprise housing (1), setting sleeve (2), worm screw and motor shaft assembly (3), worm gear and worm-wheel shaft assembly (4) and end cap (5), the top of described housing (1) is provided with the first installation cavity (101), described setting sleeve (2) is arranged in the first installation cavity (101), described worm screw and motor shaft assembly (3) are nested in setting sleeve (2), the bottom of described housing (1) is provided with second installation cavity (102) vertical with the first installation cavity (101), one end of described worm gear and worm-wheel shaft assembly (4) is socketed with the first spacer ring (6) successively, the first spacer (7), the first low temperature resistant bearing (8), and be nested in the second installation cavity (102), described worm screw and motor shaft assembly (3), worm gear with worm-wheel shaft assembly (4) in the vertical interlock of housing (1), the other end of described worm gear and worm-wheel shaft assembly (4) is socketed with the second spacer ring (9) successively, the second spacer (10), the second low temperature resistant bearing (11), and be nested on end cap (5), the worm-wheel shaft of described worm gear and worm-wheel shaft assembly (4) extends end cap (5), described end cap (5) lid is connected on the outside of the second installation cavity (102).
2. the worm type of reduction gearing of low temperature resistant, the low noise of a kind of compact type according to claim 1, is characterized in that: described worm gear and worm-wheel shaft assembly (4) are provided with a circle seal ring (12) with end cap (5) contacting point.
3. the worm type of reduction gearing of low temperature resistant, the low noise of a kind of compact type according to claim 1, is characterized in that: described end cap (5) is fixed on the outside of second installation cavity (102) of housing (1) by attachment screw (13).
4. the worm type of reduction gearing of low temperature resistant, the low noise of a kind of compact type according to claim 1, is characterized in that: described setting sleeve (2) adopts powder metallurgical technique punching press one-body molded.
5. the worm type of reduction gearing of low temperature resistant, the low noise of a kind of compact type according to claim 1, it is characterized in that: described worm screw and motor shaft assembly (3) comprise the employing integrated worm screw of Steel material (301) and motor shaft (302), described worm screw (301) is socketed on downward position, motor shaft (302) middle part.
6. the worm type of reduction gearing of low temperature resistant, the low noise of a kind of compact type according to claim 1 or 5, it is characterized in that: described worm gear and worm-wheel shaft assembly (4) comprise the employing integrated worm gear of nylon material (401) and worm-wheel shaft (402), described worm gear (401) is socketed on downward position, worm-wheel shaft (402) middle part, described worm gear (401) and the vertical interlock of described worm screw (301).
7. the worm type of reduction gearing of low temperature resistant, the low noise of a kind of compact type according to claim 1, is characterized in that: described the first low temperature resistant bearing (8), the second low temperature resistant bearing (11) adopt GCr15 material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420329728.4U CN203948567U (en) | 2014-06-20 | 2014-06-20 | A kind of compact type is low temperature resistant, the worm type of reduction gearing of low noise |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420329728.4U CN203948567U (en) | 2014-06-20 | 2014-06-20 | A kind of compact type is low temperature resistant, the worm type of reduction gearing of low noise |
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| Publication Number | Publication Date |
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| CN203948567U true CN203948567U (en) | 2014-11-19 |
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| CN201420329728.4U Active CN203948567U (en) | 2014-06-20 | 2014-06-20 | A kind of compact type is low temperature resistant, the worm type of reduction gearing of low noise |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104110463A (en) * | 2014-06-20 | 2014-10-22 | 南京康尼机电股份有限公司 | Compact type worm gear reducer capable of achieving low temperature resistance and low noise |
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2014
- 2014-06-20 CN CN201420329728.4U patent/CN203948567U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104110463A (en) * | 2014-06-20 | 2014-10-22 | 南京康尼机电股份有限公司 | Compact type worm gear reducer capable of achieving low temperature resistance and low noise |
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