CN203670707U - Waterproof vent plug for speed reducer and speed reducer with same - Google Patents
Waterproof vent plug for speed reducer and speed reducer with same Download PDFInfo
- Publication number
- CN203670707U CN203670707U CN201320722934.7U CN201320722934U CN203670707U CN 203670707 U CN203670707 U CN 203670707U CN 201320722934 U CN201320722934 U CN 201320722934U CN 203670707 U CN203670707 U CN 203670707U
- Authority
- CN
- China
- Prior art keywords
- waterproof
- permeability cell
- connecting tube
- speed reducer
- plug
- 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.)
- Expired - Fee Related
Links
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 36
- 239000012535 impurity Substances 0.000 claims abstract description 4
- 230000035699 permeability Effects 0.000 claims description 49
- 230000000712 assembly Effects 0.000 claims description 27
- 238000000429 assembly Methods 0.000 claims description 27
- 239000012528 membrane Substances 0.000 claims description 18
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 238000001914 filtration Methods 0.000 abstract 3
- 230000002349 favourable effect Effects 0.000 description 8
- 239000011856 silicon-based particle Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 239000010687 lubricating oil Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Landscapes
- Closures For Containers (AREA)
Abstract
The utility model provides a waterproof vent plug for a speed reducer and the speed reducer with the same. The waterproof vent plug comprises a vent pipe, a connecting pipe and a cover part. A filtering assembly is arranged in a cavity of the connecting plate, the filtering assembly comprises a filter element used for filtering impurities in air and at least one layer of waterproof breathable film.
Description
Technical field
The utility model relates to a kind of waterproof and breathable plug for speed reducer.The utility model also relates to a kind of speed reducer that is provided with this fan.
Background technique
In industrial speed reducer, reducer shell is airtight.In order to realize the air pressure balance of reducer shell inside and external environment, one hole can be set on speed reducer, and porous plug is set in hole, to realize the air pressure balance of the decelerator body inside and outside by porous plug, prevent that other dirts from directly entering in reducer shell by through hole simultaneously.But the porous plug that speed reducer is used is only considered ventilate function mostly, and does not have water-proof function.
In daily use, common porous plug is difficult to prevent that extraneous steam from entering in the cabinet of retarder by this porous plug, thereby causes water content of lubricating oil amount to increase, and then greatly reduces the greasy property of lubricant oil.And the reduction of greasy property will cause Bearing gear due to lubricated insufficient early failue that occurs.
In order to prevent that steam from entering in reduction box casing, existing a kind of wet type porous plug.In order to prevent that steam from entering the cabinet of retarder, this wet type porous plug is specially provided with the container for holding silicon particle, thereby absorbs moisture by silicon particle.But silicon particle just cannot continue to absorb moisture, the porous plug that can only more renew thus being filled after moisture.Therefore, not only cost costliness of this wet type porous plug, and need larger installing space due to the container that holds silicon particle will be set.
Model utility content
In order to solve above-mentioned one or more problem, the utility model proposes a kind of waterproof and breathable plug for speed reducer.Described waterproof and breathable plug comprises permeability cell, connecting tube and cover piece, wherein said permeability cell is cup-shaped, there is perisporium and diapire, on described perisporium and/or diapire, be provided with at least one air hole, described diapire forms the first end of described permeability cell, described permeability cell also has and opposed the second unlimited end of described first end, wherein this first end is used for the inside of the housing that extend into described speed reducer, and the wherein said connecting tube tubular member that is both ends open there is cavity, described permeability cell extend in one end of described connecting tube with described the second end, described cover piece is connected with the other end of described connecting tube, wherein, in the cavity of described connecting tube, be provided with filter assemblies, wherein, the perisporium of described permeability cell radially outwards forms flange at second end opening wide of described permeability cell, described filter assemblies is resisted against on described flange, and described filter assemblies comprises for the filter core of filtered air impurity and one deck waterproof ventilated membrane at least.
Simple according to waterproof and breathable plug structure of the present utility model, the flange of the open end by permeability cell supports filter assemblies, makes this waterproof and breathable plug can have less volume.To prevent that in order realizing steam from entering into the function of the enclosure interior of speed reducer, to be provided with at least one deck waterproof ventilated membrane according to the filter assemblies of waterproof and breathable plug of the present utility model, this waterproof ventilated membrane can allow gas to pass through to stop liquid simultaneously, as steam passes through.Thus, avoid increasing due to water content of lubricating oil amount the reduction of the greasy property causing with simple structure, and then avoided Bearing gear due to lubricated insufficient early failue occurring.And the waterproof and breathable plug of design is due to the silicon particle without water suction use like this, therefore without larger for holding the space of silicon particle, and there is not the problem that needs the porous plug more renewing after silicon particle is filled water.Therefore, also there is longer working life according to waterproof and breathable plug of the present utility model.
According to a kind of favourable mode of execution, waterproof ventilated membrane is PTFE film.PTFE film is the film of making take teflon as raw material.
According to a kind of favourable mode of execution, at least one deck waterproof ventilated membrane abuts in the side away from described permeability cell of described filter core.Can preferably stop that thus steam enters filter core.
According to a kind of favourable mode of execution, be provided with dunnage in the side towards permeability cell of filter assemblies, described dunnage is netted or has multiple holes, and wherein, described dunnage is being resisted against on the flange of described permeability cell towards a side of described permeability cell.Dunnage one side is resisted against on flange, and opposite side supports filter assemblies.Because dunnage is netted or has multiple holes, in providing support for filter assemblies, can not affect ventilative.
According to a kind of favourable mode of execution, filter assemblies compresses by locking piston ring in the side away from described permeability cell.Further position keeps filter assemblies regularly thus.
According to a kind of favourable mode of execution, between described filter assemblies and described dunnage, be provided with waterproof ventilated membrane.Can further prevent that thus steam from passing through filter core.
According to a kind of favourable mode of execution, the inwall of connecting tube convexes to form annular boss at the first end near described connecting tube towards radially inner side, and the flange of wherein said permeability cell is pressed against on described boss.By this structure, can utilize the flange of permeability cell that connecting tube and permeability cell are interconnected simply.
According to a kind of favourable mode of execution, permeability cell, connecting tube and described cover piece interconnect by press fit respectively.Can expect, the mode such as permeability cell, connecting tube and described cover piece can be threaded connection respectively, bonding, welding interconnects.
The utility model has also proposed a kind of speed reducer, the Packed reducer shell of described speed reducer tool is provided with the air hole for the porous plug of pegging graft on described reducer shell, and wherein said porous plug is according to the waterproof and breathable plug described in any one in the respective embodiments described above.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.Wherein:
Fig. 1 shows the schematic diagram of a kind of mode of execution according to waterproof and breathable plug 10 of the present utility model on the housing that is arranged on speed reducer;
Fig. 2 shows the phantom according to a kind of mode of execution of waterproof and breathable plug 10 of the present utility model.
Embodiment
Fig. 1 shows the mode of execution according to a kind of waterproof and breathable plug 10 of the present utility model, and wherein, shown waterproof and breathable plug 10 is arranged in the through hole on the housing 110 of speed reducer.The housing seal of speed reducer, therefore needs to arrange the pressure of porous plug with balance shell inside and outside.
As shown in the figure, there is cover piece 3, connecting tube 2 and permeability cell 1 according to this waterproof and breathable plug 10 of this mode of execution of the present utility model.At this, can see in conjunction with the partial sectional view of Fig. 2, permeability cell 1 is cup-shaped, has diapire 16 and perisporium 15.In the present embodiment, permeability cell upper end is opened wide, diapire 16 and the common inner chamber 11 that surrounds this permeability cell 1 of perisporium 15.In order to realize enclosure interior and extraneous ventilation by this permeability cell 1, at least one air hole 12 can be set on the perisporium of permeability cell 1 15 or diapire 16.Certainly, also can, as in present embodiment, on perisporium 15 and diapire 16, be equipped with air hole 12.The unlimited upper end 14 of permeability cell 1 extend into the inside of connecting tube 2.
In Fig. 2, can be clear that, the unlimited upper end 14 of permeability cell 1 forms flange 17 along extending radially outwardly.With this flange 17 accordingly, in the lower end being connected with permeability cell 1 of connecting tube 2, along circumferentially form annular boss 24 on the inwall of described connecting tube 2.Thus, permeability cell 1 can utilize its flange 17 to be resisted against on this boss 24 of connecting tube 2, and permeability cell 1 can not skidded off from permeability cell 2.Particularly advantageously, permeability cell 1 interconnects by press fit with connecting tube 2.Certainly, in other mode of executions that do not specifically illustrate, permeability cell 1 also can interconnect by other means with connecting tube 2, for example, be threaded connection, bonding, welding etc.
Connecting tube 2 is the tubular member of open at both ends in shown mode of execution.A cover piece 3 is pressed on the periphery wall of unlimited upper end of this connecting tube 2 with its perisporium.In shown mode of execution, cover piece 3 also interconnects in the mode of press fit with connecting tube 2.Certainly, in other mode of executions that do not specifically illustrate, cover piece 3 can also interconnect by other means with connecting tube 2, for example, be threaded connection, bonding, welding etc.
Cover piece 3 can be provided with rib on its periphery wall, for increasing user's the friction of finger and cover piece.When cover piece 3, connecting tube 2 and permeability cell 1 are all when secured to one another connection, can be directly by grasping cover piece 3 by the through hole that be inserted into according to waterproof and breathable plug 10 of the present utility model in the housing 110 of speed reducer.According to a kind of favourable mode of execution, the inwall of the through hole in the housing 110 of speed reducer is provided with screw thread, and is also provided with the outside thread mating with the internal thread of through hole on the outer wall of connecting tube 2.Thus, waterproof and breathable plug 10 can be screwed onto on the housing 110 of speed reducer.Certainly, waterproof and breathable plug also can be connected with the housing 110 that is screwed onto speed reducer by other means, such as bonding, welding etc.
In order to prevent that airborne dirt and steam from entering into the inside of the housing 110 of speed reducer, in foundation waterproof and breathable plug 10 of the present utility model, be provided with filter assemblies 4.This filter assemblies 4 comprises for the filter core 41 of the impurity of filtered air and one deck waterproof ventilated membrane 42 at least.Waterproof ventilated membrane refers to the film that allows gas to pass through and do not allow liquid to pass through.At this, waterproof ventilated membrane is preferably PTFE film.As shown in Figure 2, in this embodiment, above filter core 41, be provided with one deck waterproof ventilated membrane 42.In the mode of execution not illustrating, this waterproof ventilated membrane also can be arranged on the below of filter core 41.According to a kind of mode of execution not illustrating, can one deck waterproof ventilated membrane be set respectively in the above and below of filter core 41.
As shown in FIG. 2, the inwall of the periphery wall of filter assemblies 4 and connecting tube 2 paste and.The bottom side of filter assemblies 4 is supported by the flange 17 of the upper end 14 of permeability cell 1 in outer periphery.In order realizing, filter assemblies 4 better to be supported, in foundation illustrated in fig. 2 mode of execution of the present utility model, to be also provided with dunnage 6 at filter assemblies 4 downsides, described filter assemblies 4 abuts in described dunnage 6.Pass through for gas can be crossed, this dunnage 6 is netted or has multiple holes.This dunnage 6 can be made up of plastics, metal or any applicable material.In the unshowned mode of execution of one, between dunnage 6 and filter core 41, waterproof ventilated membrane can be set.
For filter assemblies 4 can be remained in connecting tube 2 position regularly, at the upside of filter assemblies 4, be conventionally provided with locking piston ring 7 at the upside of waterproof ventilated membrane 42.This locking piston ring 7 is pressed on filter assemblies 4 on the flange 17 of permeability cell 1.
Simple in structure according to the waterproof and breathable plug 10 of the utility model structure, can prevent that steam from entering into the inside of the housing 110 of speed reducer, avoid thus increasing due to water content of lubricating oil amount the reduction of the greasy property causing, and then avoided Bearing gear due to lubricated insufficient early failue occurring.
Protection domain of the present utility model is only defined by the claims.Have benefited from instruction of the present utility model; those skilled in the art can make various modification, modification or replacement to the utility model as the case may be in the situation that not exceeding protection domain of the present utility model, and these modification, modification or replacement fall into protection domain of the present utility model.
Claims (9)
1. the waterproof and breathable plug (10) for speed reducer, described waterproof and breathable plug (10) comprises permeability cell (1), connecting tube (2) and cover piece (3), wherein said permeability cell (1) is cup-shaped, there is perisporium (15) and diapire (16), and be provided with at least one air hole (12) on described perisporium (15) and/or diapire (16), described diapire (16) forms the first end (13) of described permeability cell (1), described permeability cell (2) also has and opposed unlimited the second end (14) of described first end (13), wherein said first end (13) is for extending into the inside of housing (110) of described speed reducer, and wherein said connecting tube (2) is for the tubular member of both ends open and have cavity (23), described permeability cell (1) extend in one end of described connecting tube (2) with described the second end (14), described cover piece (3) is connected with the other end of described connecting tube (2), wherein, in the cavity (23) of described connecting tube (2), be provided with filter assemblies (4), it is characterized in that, the perisporium (15) of described permeability cell (1) radially outwards forms flange (17) at second end (14) opening wide of described permeability cell (1), described filter assemblies (4) is resisted against on described flange (17), and described filter assemblies (4) comprises for the filter core (41) of filtered air impurity and one deck waterproof ventilated membrane (42) at least.
2. according to waterproof and breathable plug claimed in claim 1 (10), it is characterized in that, described waterproof ventilated membrane (42) is PTFE film.
3. according to waterproof and breathable plug claimed in claim 1 (10), it is characterized in that, described at least one deck waterproof ventilated membrane (42) abuts in the side away from described permeability cell (1) of described filter core (41).
4. according to the waterproof and breathable plug (10) described in any one in claims 1 to 3, it is characterized in that, the side towards described permeability cell (1) at described filter assemblies (4) is provided with dunnage (6), described dunnage (6) is netted or has multiple holes, and wherein, described dunnage (6) is being resisted against on the flange (17) of described permeability cell (1) towards a side of described permeability cell (1).
5. according to the waterproof and breathable plug (10) described in any one in claims 1 to 3, it is characterized in that, described filter assemblies (4) compresses by locking piston ring (7) in the side away from described permeability cell (1).
6. according to waterproof and breathable plug claimed in claim 4 (10), it is characterized in that, between described filter assemblies (4) and described dunnage (6), be provided with waterproof ventilated membrane.
7. according to waterproof and breathable plug claimed in claim 1 (10), it is characterized in that, the inwall of described connecting tube (2) convexes to form annular boss (24) at the first end (21) near described connecting tube (2) towards radially inner side, and the flange (17) of wherein said permeability cell is pressed against on described boss (24).
8. according to waterproof and breathable plug claimed in claim 1 (10), it is characterized in that, described permeability cell (1), connecting tube (2) and described cover piece (3) interconnect by press fit respectively.
9. a speed reducer, the Packed reducer shell of described speed reducer tool (110), on described reducer shell (110), be provided with the air hole for the porous plug of pegging graft, it is characterized in that, described porous plug is according to the waterproof and breathable plug (10) described in any one in the claims 1-8.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320722934.7U CN203670707U (en) | 2013-11-15 | 2013-11-15 | Waterproof vent plug for speed reducer and speed reducer with same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320722934.7U CN203670707U (en) | 2013-11-15 | 2013-11-15 | Waterproof vent plug for speed reducer and speed reducer with same |
Publications (1)
Publication Number | Publication Date |
---|---|
CN203670707U true CN203670707U (en) | 2014-06-25 |
Family
ID=50967005
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201320722934.7U Expired - Fee Related CN203670707U (en) | 2013-11-15 | 2013-11-15 | Waterproof vent plug for speed reducer and speed reducer with same |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN203670707U (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104989810A (en) * | 2015-07-14 | 2015-10-21 | 沃德传动(天津)股份有限公司 | Breather valve |
CN105041785A (en) * | 2015-07-13 | 2015-11-11 | 青岛四方车辆研究所有限公司 | Oil tank ventilation device for hydraulic brake unit of tramcar |
CN105333112A (en) * | 2014-07-28 | 2016-02-17 | 沃德(天津)传动有限公司 | Speed reducer and ventilation cap assembly thereof |
CN105485313A (en) * | 2014-09-19 | 2016-04-13 | 沃德(天津)传动有限公司 | Ventilation cap and speed reducer used for ventilation cap |
CN105673824A (en) * | 2016-04-05 | 2016-06-15 | 中车戚墅堰机车车辆工艺研究所有限公司 | Breather device of light rail gearbox |
CN107289165A (en) * | 2017-07-27 | 2017-10-24 | 惠州市沃瑞科技有限公司 | A kind of splashproof oleophobic applied to leakproof fuel cell is breathed freely balanced valve |
US10480551B2 (en) | 2015-07-13 | 2019-11-19 | Crrc Qingdao Sifang Rolling Stock Research Institute Co., Ltd. | Traction control system for electric multiple units |
CN114634021A (en) * | 2022-05-17 | 2022-06-17 | 杭州泰尚智能装备有限公司 | Electronic water pump waterproof vent plug assembling and vibration testing device and operation method thereof |
-
2013
- 2013-11-15 CN CN201320722934.7U patent/CN203670707U/en not_active Expired - Fee Related
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105333112A (en) * | 2014-07-28 | 2016-02-17 | 沃德(天津)传动有限公司 | Speed reducer and ventilation cap assembly thereof |
CN105485313A (en) * | 2014-09-19 | 2016-04-13 | 沃德(天津)传动有限公司 | Ventilation cap and speed reducer used for ventilation cap |
CN105041785A (en) * | 2015-07-13 | 2015-11-11 | 青岛四方车辆研究所有限公司 | Oil tank ventilation device for hydraulic brake unit of tramcar |
US10480551B2 (en) | 2015-07-13 | 2019-11-19 | Crrc Qingdao Sifang Rolling Stock Research Institute Co., Ltd. | Traction control system for electric multiple units |
CN104989810A (en) * | 2015-07-14 | 2015-10-21 | 沃德传动(天津)股份有限公司 | Breather valve |
CN105673824A (en) * | 2016-04-05 | 2016-06-15 | 中车戚墅堰机车车辆工艺研究所有限公司 | Breather device of light rail gearbox |
CN107289165A (en) * | 2017-07-27 | 2017-10-24 | 惠州市沃瑞科技有限公司 | A kind of splashproof oleophobic applied to leakproof fuel cell is breathed freely balanced valve |
CN114634021A (en) * | 2022-05-17 | 2022-06-17 | 杭州泰尚智能装备有限公司 | Electronic water pump waterproof vent plug assembling and vibration testing device and operation method thereof |
CN114634021B (en) * | 2022-05-17 | 2022-08-05 | 杭州泰尚智能装备有限公司 | Electronic water pump waterproof vent plug assembling and vibration testing device and operation method thereof |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN203670707U (en) | Waterproof vent plug for speed reducer and speed reducer with same | |
CN201916552U (en) | Outdoor sealing device pressure balancer | |
JP5873089B2 (en) | Equipment for ventilating and disposing of containers containing liquid volumes | |
CN206412401U (en) | Single slope drainage vent valve and battery bag | |
CN205207827U (en) | Novel waterproof ventilation valve | |
CN104183366A (en) | Transformer rebreather structure | |
CN205207826U (en) | Water -proof ventilation valve | |
WO2010083005A3 (en) | Fluid filter with nutplate having an end face seal and outer attachment design | |
CN201909072U (en) | Waterproof, dustproof, ventilated and heat-dissipating breathing device of outdoor seal equipment | |
CN203468515U (en) | Two-stage cyclone separation dust collector | |
CN201802935U (en) | Waterproof, dustproof and air-permeable heat-dissipating valve for outdoor sealing equipment | |
CN201959661U (en) | Multilevel deep filtration moisture-absorbing air filter | |
CN203614162U (en) | Oil filter | |
CN205461694U (en) | Dampproofing aerater of large -scale steel of removable drier | |
CN204878659U (en) | Automotive transmission breather valve | |
CN106099284A (en) | Double Shell integration combiner | |
CN201687864U (en) | Novel insert bearing with seat and waterproof function | |
CN211593556U (en) | Ventilative bung hole structure | |
CN201594590U (en) | Waterproof air-breathing grounding pole | |
CN205619639U (en) | Two -way drier -filter of light | |
CN209781792U (en) | Pressure relief explosion-proof device | |
CN207921296U (en) | A kind of hub reduction gear breather | |
CN110921093A (en) | Ventilative bung hole structure | |
CN203926712U (en) | A kind of novel ventilated plug | |
CN206823403U (en) | Air cleaner |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: 300400, 18A, Shuang Chen Middle Road, Beichen Economic Development Zone, Tianjin Patentee after: FLENDER TRANSMISSION SYSTEM CO.,LTD. Address before: 300400, 18A, Shuang Chen Middle Road, Beichen Economic Development Zone, Tianjin Patentee before: Siemens mechanical transmission (Tianjin) Co.,Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 |