CN103398159B - A kind of air-strainer and a kind of speed reducer - Google Patents
A kind of air-strainer and a kind of speed reducer Download PDFInfo
- Publication number
- CN103398159B CN103398159B CN201310350569.6A CN201310350569A CN103398159B CN 103398159 B CN103398159 B CN 103398159B CN 201310350569 A CN201310350569 A CN 201310350569A CN 103398159 B CN103398159 B CN 103398159B
- Authority
- CN
- China
- Prior art keywords
- air
- strainer
- sleeve
- casing
- ventilated cap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 34
- 239000012530 fluid Substances 0.000 claims abstract description 29
- 238000001914 filtration Methods 0.000 claims description 23
- 238000007689 inspection Methods 0.000 claims description 14
- 239000003570 air Substances 0.000 claims description 13
- 239000012080 ambient air Substances 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000011435 rock Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/027—Gearboxes; Mounting gearing therein characterised by means for venting gearboxes, e.g. air breathers
Abstract
The invention discloses a kind of air-strainer of the inner and outer air pressure for balancing the casing filling fluid and be provided with the speed reducer of this air-strainer.This air-strainer comprises Ventilated cap, also comprise the first sleeve be arranged at outside casing, a side of the first sleeve is connected with the connecting end of Ventilated cap, and another side is used for being connected with casing, keeps numerical value to be greater than the predeterminable range of zero between Ventilated cap and casing.Visible air-strainer provided by the invention and be provided with in the speed reducer of this air-strainer, Ventilated cap is arranged away from cabinet wall, thus keep larger distance with the fluid in casing, not easily Ventilated cap is touched when case inner fluid splashes or fluid rocks, thus avoid the situation that fluid in casing overflows along Ventilated cap passage and occur, contribute to keeping the clean of air-strainer, avoid the dust in Ventilated cap adhesion air, thus reduce the generation of Ventilated cap channel blockage situation, the cost reducing abat-vent maintenance and change.
Description
Technical field
The present invention relates to filter element field, particularly a kind of air-strainer and a kind of speed reducer being provided with this air-strainer.
Background technique
Speed reducer is in operation process, and box house can cause gas expansion because temperature raises, and even produce extra gas, thus cause the pressure of box body of speed reducer inside excessive, therefore, people adopt air-strainer to realize " breathing " of speed reducer.When box body of speed reducer internal pressure is too high, can be breathed freely by air-strainer, to balance the inner and outer air pressure of speed reducer.
As shown in Figure 1, air-strainer is arranged on the inspection hole cover 3 of speed reducer usually, and be made up of Ventilated cap 1 and filtering body 2, filtering body 2 is generally the filter screen of tubular.One side and the Ventilated cap 1 of filtering body 2 are connected, and the periphery of this side is threaded with the inspection hole cover 3 of speed reducer, and another side of filtering body 2 stretches into the inside of box body of speed reducer.When installing air-strainer on speed reducer, make filtering body 2 be positioned at speed reducer inside, Ventilated cap 1 is positioned at outside speed reducer, is threaded between filtering body 2 with inspection hole cover 3.Wherein, the inside of Ventilated cap 1 is provided with the passage communicated with the external world, and this passage end communicates with filtering body 2, and the other end communicates with the air outside Ventilated cap 1; Thus air-strainer not only has the function making speed reducer realize " breathing ", and can carry out filtration, purification to the air entering speed reducer inside.
But find in actual application, the fluid in box body of speed reducer splashes and easily causes fluid to overflow along the passage of air-strainer Ventilated cap 1, and, when Ventilated cap 1 is stained with fluid, is very easy to adhere to the impurity such as the dust in environment, thus often causes channel blockage.
Therefore, how avoiding the fluid in box body of speed reducer to overflow along the Ventilated cap of air-strainer, and how to prevent Ventilated cap channel block, is those skilled in the art's technical problems urgently to be resolved hurrily.
Summary of the invention
In view of this, the invention provides a kind of air-strainer and a kind of speed reducer being provided with this air-strainer, the fluid in casing can be avoided to overflow along the Ventilated cap of air-strainer, and its Ventilated cap not easily blocks.
For achieving the above object, the invention provides following technological scheme:
A kind of air-strainer, for balancing the inner and outer air pressure of the casing filling fluid, described air-strainer comprises Ventilated cap, also comprise the first sleeve be arranged at outside described casing, a side of described first sleeve is connected with the connecting end of described Ventilated cap, another side of described first sleeve is used for being connected with described casing, and keep predeterminable range between described Ventilated cap and described casing, described predeterminable range is greater than zero.
Preferably, in above-mentioned air-strainer, also comprise the safety cover be fixed on outside described casing, described first sleeve and described Ventilated cap are all positioned at described safety cover, and, described safety cover is provided with the vent be in communication with the outside.
Preferably, in above-mentioned air-strainer, described safety cover comprises:
Guard shield body;
Second sleeve, described second jacket casing is located at the outside of described first sleeve, and the outer side surface of described second sleeve one end and described casing is tightly connected, and the other end and described guard shield body are tightly connected, and described vent is arranged at the sidewall of described second sleeve.
Preferably, in above-mentioned air-strainer, also comprise connecting tube, described connecting tube one end be connected with described vent, the other end be communicated with ambient air and position lower than on described casing for described first sleeve is installed case face below 20-30mm.
Preferably, in above-mentioned air-strainer, also comprise the filtering body coaxially arranged with described Ventilated cap, described filtering body is sheathed on described first sleeve inner, and, described filtering body one end and described Ventilated cap are connected, and the other end is between the outer side surface place plane and described Ventilated cap of described casing.
Preferably, in above-mentioned air-strainer, a side of described first sleeve and described Ventilated cap are connected, and another side is for being connected with the inspection hole cover on described casing.
A kind of speed reducer, the casing of described speed reducer is provided with above described air-strainer.
Preferably, in above-mentioned speed reducer, the Ventilated cap of described air-strainer is fixed on outside inspection hole cover by the first sleeve.
As can be seen from above-mentioned technological scheme, the air-strainer that the embodiment of the present invention provides and being provided with in the speed reducer of this air-strainer, Ventilated cap is arranged away from cabinet wall, thus keep larger distance with the fluid in casing, not easily Ventilated cap is touched when case inner fluid splashes or fluid rocks, thus avoid the situation generation of the fluid in casing along the passage spilling in Ventilated cap, contribute to keeping the clean of air-strainer, to avoid the dust in Ventilated cap adhesion air, thus reduce the generation of Ventilated cap channel blockage situation, the cost greatly reducing abat-vent maintenance and change.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of air-strainer of the prior art;
The structural representation of the air-strainer that Fig. 2 provides for the embodiment of the present invention.
Wherein, 1 is Ventilated cap, and 2 is filtering body, and 3 is inspection hole cover, and 4 is positioning seat, and 5 is casing, and 6 is connecting tube, and 7 is vent, and 8 is the second sleeve, and 9 is the first sleeve, and 10 is guard shield body.
Embodiment
The invention provides a kind of air-strainer and a kind of speed reducer being provided with this air-strainer, the fluid in casing can be avoided to overflow along the Ventilated cap of air-strainer, and its Ventilated cap not easily blocks.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 2, the structural representation of the air-strainer that Fig. 2 provides for the embodiment of the present invention.
The air-strainer that the embodiment of the present invention provides comprises Ventilated cap 1, and the first sleeve 9 be arranged at outside casing 5, a side of the first sleeve 9 is connected with the connecting end of Ventilated cap 1, another side of first sleeve 9 is used for being connected with casing 5, predeterminable range is kept between Ventilated cap 1 and casing 5, this predeterminable range is greater than zero (its concrete numerical value is determined according to working experience and actual conditions, such as, made the distance keeping about 10cm between Ventilated cap 1 and casing 5 outer surface by the length of the first sleeve 9).Visible, compared with prior art, in the air-strainer that the embodiment of the present invention provides, Ventilated cap 1 is arranged away from casing 5 inwall, thus keep larger distance with the fluid in casing 5, Ventilated cap 1 is not easily touched when case inner fluid splashes or fluid rocks, thus avoid the situation generation of the fluid in casing along the passage spilling in Ventilated cap 1, contribute to keeping the clean of air-strainer, dust in air is adhered to avoid Ventilated cap 1, thus reduce the generation of Ventilated cap channel blockage situation, the cost greatly reducing abat-vent maintenance and change.
In order to optimize technique scheme further; the air-strainer that the embodiment of the present invention provides; also comprise the safety cover be fixed on outside casing 5; first sleeve 9 and Ventilated cap 1 are all positioned at safety cover; to prevent the fluid in the contaminating impurity air-strainer such as dust in air and casing 5 further; further, safety cover is provided with the vent 7 be in communication with the outside, to keep casing 5 inside and outside air pressure balance.Please refer to Fig. 2; in a specific embodiment; above-mentioned safety cover forms primarily of guard shield body 10 and the second sleeve 8; the sidewall of the second sleeve 8 is provided with vent 7; second sleeve 8 is sheathed on the outside of the first sleeve 9; the outer side surface of second sleeve 8 one end and casing 5 is tightly connected, and the other end and guard shield body 10 are tightly connected.Particularly, the first sleeve 9 is threaded with between casing 5, and casing 5 is fixedly connected with the second sleeve 8 with the mode of guard shield body 10 respectively by screw fastening or bolton.As can be seen from technique scheme, the outer surface of casing 5, guard shield body 10 and the second sleeve 8 define the operator guards of encapsulation abat-vent 1, prevent the impurity such as the dust in ambient air close to or enter Ventilated cap 1.Thus this air-strainer has adapted to the rugged environment that in air, impurity is more.
In order to optimize technique scheme further, the air-strainer that the embodiment of the present invention provides, also comprises connecting tube 6, as shown in Figure 2, connecting tube 6, one end was threaded with vent 7, and the other end is communicated with ambient air and is connected in the outside of casing 5 by positioning seat 4.Particularly, connecting tube 6 for the position that is communicated with one end of air lower than on casing 5 for the first sleeve 9 is installed case face below 20-30mm, enter casing 5 inside to prevent the steam in air and fluid polluted.Further, the barrel of the second sleeve 8 is thicker so that in vent 7 tap out, thus make the sidewall of the second sleeve 8 be threaded with connecting tube 6.
In actual production process, the air-strainer that the specific embodiment of the invention provides also comprises the coaxial filtering body 2 arranged with Ventilated cap 1, it is inner that filtering body 2 is sheathed on the first sleeve 9, a side of the first sleeve 9 and Ventilated cap 1 are connected, and the inspection hole cover 3 on another side and casing 5 is connected.Further, one end and the Ventilated cap 1 of filtering body 2 are connected, and the other end is between inspection hole cover 3 and Ventilated cap 1, thus when preventing the splashing of case inner fluid or fluid from rocking, a large amount of fluid touches filtering body 2, prevents fluid from overflowing along Ventilated cap 1.
But above-described embodiment is only a kind of specific embodiment provided by the invention, those skilled in the art specifically arrange the specific design scheme that can also have other for safety cover, and such as, the mode be threaded connection connects guard shield body 10 and the second sleeve 8; Such as, safety cover is designed to integral structure, etc.In addition, in other specific embodiment, the upper surface of casing 5 can also be provided with mounting hole, first sleeve 9 is installed on this mounting hole, one end and the Ventilated cap 1 of filtering body 2 are connected, the other end is (object ensures filtering body 2 between the outer side surface place plane and Ventilated cap 1 of casing 5 to ensure that filtering body 2 is avoided being subject to case inner fluid and contaminated) between this mounting hole and Ventilated cap 1, etc.Therefore, the present invention contrasts and is not specifically limited.
The air-strainer that the embodiment of the present invention provides goes for containing by fluid in the casings such as speed reducer, hydraulic oil container or motor and needs to keep the machinery of body inside and outside air pressure balance.
Present invention also offers a kind of speed reducer, its casing is provided with air-strainer as described above.In a specific embodiment, in air-strainer on this box body of speed reducer, Ventilated cap 1 is fixed on outside inspection hole cover 3 by the first sleeve 9, keeps larger distance with inspection hole cover 3, wherein, the first sleeve 9 is threaded with inspection hole cover 3 by the tapped hole that inspection hole cover 3 is arranged; First sleeve 9 and Ventilated cap 1 encapsulate by safety cover, and by being communicated with ambient air connecting tube 6; Connecting tube 6, one end was threaded with safety cover; the other end be fixed on the outside of box body of speed reducer 5 by positioning seat 4 and the position of the other end lower than casing upper surface 20-30mm; thus prevent the steam in wet environment from entering box body of speed reducer inside, improve the filtering effect of air-strainer.
Particularly, safety cover is made up of guard shield body 10 and the second sleeve 8, and the thinner thickness of guard shield body 10 is to save material and to be convenient to processing, and the thickness of the second sleeve 8 is thicker, so that arrange tapped hole on sidewall, and then connects pipe 6.But the present invention is not limited thereto, such as, can also be connected by the mode of welding between connecting tube 6 and safety cover, therefore, the present invention is for above-mentioned concrete Placement and be not specifically limited.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. an air-strainer, for balancing the inner and outer air pressure of the casing (5) filling fluid, described air-strainer comprises Ventilated cap (1), it is characterized in that, also comprise the first sleeve (9) being arranged at described casing (5) outside, a side of described first sleeve (9) is connected with the connecting end of described Ventilated cap (1), another side of described first sleeve (9) is used for being connected with described casing (5), keep predeterminable range between described Ventilated cap (1) and described casing (5), described predeterminable range is greater than zero;
Described air-strainer also comprises the safety cover being fixed on described casing (5) outside, described first sleeve (9) and described Ventilated cap (1) are all positioned at described safety cover, further, described safety cover is provided with the vent (7) be in communication with the outside;
Described safety cover comprises:
Guard shield body (10);
Second sleeve (8), described second sleeve (8) is sheathed on the outside of described first sleeve (9), the outer side surface of described second sleeve (8) one end and described casing (5) is tightly connected, the other end and described guard shield body (10) are tightly connected, and described vent (7) is arranged at the sidewall of described second sleeve.
2. air-strainer according to claim 1, it is characterized in that, also comprise connecting tube (6), described connecting tube (6) one end is connected with described vent (7), the other end be communicated with ambient air and position lower than on described casing (5) for described first sleeve (9) is installed case face below 20-30mm.
3. the air-strainer according to any one of claim 1-2, it is characterized in that, also comprise the coaxial filtering body (2) arranged with described Ventilated cap (1), it is inner that described filtering body (2) is sheathed on described first sleeve (9), and, described filtering body (2) one end and described Ventilated cap (1) are connected, and the other end is positioned between the outer side surface place plane of described casing (5) and described Ventilated cap (1).
4. the air-strainer according to any one of claim 1-2, it is characterized in that, a side and the described Ventilated cap (1) of described first sleeve (9) are connected, and another side is used for being connected with the inspection hole cover (3) on described casing (5).
5. a speed reducer, is characterized in that, the casing of described speed reducer is provided with the air-strainer as described in any one of claim 1-4.
6. speed reducer according to claim 5, is characterized in that, the Ventilated cap (1) of described air-strainer is fixed on inspection hole cover (3) outside by the first sleeve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310350569.6A CN103398159B (en) | 2013-08-12 | 2013-08-12 | A kind of air-strainer and a kind of speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310350569.6A CN103398159B (en) | 2013-08-12 | 2013-08-12 | A kind of air-strainer and a kind of speed reducer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103398159A CN103398159A (en) | 2013-11-20 |
| CN103398159B true CN103398159B (en) | 2016-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310350569.6A Active CN103398159B (en) | 2013-08-12 | 2013-08-12 | A kind of air-strainer and a kind of speed reducer |
Country Status (1)
| Country | Link |
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| CN (1) | CN103398159B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443736B (en) * | 2014-08-18 | 2019-03-15 | 沃德传动（天津）股份有限公司 | A kind of abat-vent and speed reducer |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5139659A (en) * | 1991-01-11 | 1992-08-18 | Michael Scott | Aquarium air-lift water pump, aerator, and filter |
| CN102322374A (en) * | 2011-10-06 | 2012-01-18 | 金坛鑫田柴油机有限公司 | Oil bath air filter |
| CN102580411A (en) * | 2012-03-21 | 2012-07-18 | 无锡市聚英机械制造有限公司 | Air filter for reducer |
| CN203421148U (en) * | 2013-08-12 | 2014-02-05 | 沃德(天津)传动有限公司 | Air cleaner and speed reducer |
-
2013
- 2013-08-12 CN CN201310350569.6A patent/CN103398159B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5139659A (en) * | 1991-01-11 | 1992-08-18 | Michael Scott | Aquarium air-lift water pump, aerator, and filter |
| CN102322374A (en) * | 2011-10-06 | 2012-01-18 | 金坛鑫田柴油机有限公司 | Oil bath air filter |
| CN102580411A (en) * | 2012-03-21 | 2012-07-18 | 无锡市聚英机械制造有限公司 | Air filter for reducer |
| CN203421148U (en) * | 2013-08-12 | 2014-02-05 | 沃德(天津)传动有限公司 | Air cleaner and speed reducer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103398159A (en) | 2013-11-20 |
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Address after: 300409 82 high tech Avenue, Beichen science and Technology Park, Tianjin Patentee after: WARD TRANSMISSION TECHNOLOGY (TIANJIN) Co.,Ltd. Address before: 300409 82 high tech Avenue, Beichen science and Technology Park, Tianjin Patentee before: WORLD TRANSMISSION TECHNOLOGY (TIANJIN) Co.,Ltd. |
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Denomination of invention: An air filter and a reducer Effective date of registration: 20220610 Granted publication date: 20160413 Pledgee: Bank of China Limited Tianjin Hexi sub branch Pledgor: WARD TRANSMISSION TECHNOLOGY (TIANJIN) Co.,Ltd. Registration number: Y2022120000027 |
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Date of cancellation: 20230821 Granted publication date: 20160413 Pledgee: Bank of China Limited Tianjin Hexi sub branch Pledgor: WARD TRANSMISSION TECHNOLOGY (TIANJIN) Co.,Ltd. Registration number: Y2022120000027 |
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Denomination of invention: An air filter and a gearbox Effective date of registration: 20230828 Granted publication date: 20160413 Pledgee: Bank of China Limited Tianjin Hexi sub branch Pledgor: WARD TRANSMISSION TECHNOLOGY (TIANJIN) Co.,Ltd. Registration number: Y2023120000074 |