CN109291905A - Filter for breathing-protection purpose and brake rigging - Google Patents

Filter for breathing-protection purpose and brake rigging Download PDF

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Publication number
CN109291905A
CN109291905A CN201811284706.XA CN201811284706A CN109291905A CN 109291905 A CN109291905 A CN 109291905A CN 201811284706 A CN201811284706 A CN 201811284706A CN 109291905 A CN109291905 A CN 109291905A
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CN
China
Prior art keywords
filter
breathing
air duct
ontology
protection purpose
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.)
Granted
Application number
CN201811284706.XA
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Chinese (zh)
Other versions
CN109291905B (en
Inventor
宋传云
孔德鹏
黄士伟
王超恒
刁有彬
徐少亭
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CRRC Qingdao Sifang Rolling Stock Research Institute Co Ltd
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CRRC Qingdao Sifang Rolling Stock Research Institute Co Ltd
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Priority to CN201811284706.XA priority Critical patent/CN109291905B/en
Publication of CN109291905A publication Critical patent/CN109291905A/en
Application granted granted Critical
Publication of CN109291905B publication Critical patent/CN109291905B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T17/00Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/002Air treatment devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T17/00Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/002Air treatment devices
    • B60T17/004Draining and drying devices

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Braking Arrangements (AREA)

Abstract

The present invention proposes a kind of filter for breathing-protection purpose and brake rigging, wherein, the filter for breathing-protection purpose includes ontology, and the inside of the ontology is formed with the first air duct, and the side wall in first air duct is formed with ventilation hole, the ventilation hole runs through the ontology, on the extending direction along first air duct, one end of the ontology is open end, to form first air port in first air duct, the other end of the ontology is closed end, to block first air duct;The brake rigging includes above-mentioned filter for breathing-protection purpose.The present invention reduces the water entered inside filter for breathing-protection purpose, improve the waterproof performance of filter for breathing-protection purpose.

Description

Filter for breathing-protection purpose and brake rigging
Technical field
The invention belongs to rail vehicle braking technical field more particularly to a kind of filter for breathing-protection purpose and brake rigging.
Background technique
Filter for breathing-protection purpose (hereinafter referred to as respirator) is the essential component of railway vehicle basic braking device.Vehicle system During dynamic, alleviation, the respiration that gas exchanges will occur with the external world for brake rigging inner cavity.Respirator is mounted on breathing At channel, play the role of passively breathing and dust filtering.
As shown in Figure 1, existing filter for breathing-protection purpose includes respirator body 1, dirt filtrating screen 2 and retaining ring 3, wherein respirator body 1 The mode being connected through a screw thread is fixedly mounted on the matrix of foundation brake, and the inside of respirator body 1 is formed with air duct, the air duct Through respirator body 1, dirt filtrating screen 2 is set to the inside in 1 air duct of respirator body, and dirt filtrating screen 2 is for entering breathing to from the external world Dust inside body 1 is stopped, and retaining ring 3 is fixedly installed on the side of dirt filtrating screen 2, to limit to dirt filtrating screen 2.
But present inventor during inventive technique scheme, has found above-mentioned technology extremely in realizing the embodiment of the present application It has the following technical problems less:
Due in carwash, the water flow or water droplet of direct projection can readily pass through 1 air inlet of respirator body and enter breathing The inside of body 1 then makes water flow or water droplet have an opportunity to enter to the inside of brake rigging chamber, and then makes to basis The normal use of the inner components of dynamic device causes serious interference.
Summary of the invention
The present invention solves water flow in the prior art or water droplet by providing a kind of filter for breathing-protection purpose and brake rigging The technical problem being easily accessible to filter for breathing-protection purpose reduces the water entered inside filter for breathing-protection purpose, improves breathing The waterproof performance of dirt catcher.
In order to achieve the above object, the technical solution adopted by the present invention are as follows:
The embodiment of the invention provides a kind of filter for breathing-protection purpose, the filter for breathing-protection purpose includes:
Ontology, the inside of the ontology are formed with the first air duct, and the side wall in first air duct is formed with ventilation hole, described Ventilation hole runs through the ontology, and on the extending direction along first air duct, one end of the ontology is open end, with shape At first air port in first air duct, the other end of the ontology is closed end, to block first air duct.
Compared with prior art, the advantages and positive effects of the present invention are:
Ontology closing institute is arranged since the ventilation hole to be set to the side in first air duct in the present invention The one end in the first air duct is stated, so that the wind transmitted between filter for breathing-protection purpose and the external world is passed in and out from the side in first air duct, from And compared with the existing technology by the way of making the first air duct both ends divulge information, when working as flushing vehicle, the ontology Closed end can be blocked to the water come is largely penetrated, so that water will not be emitted directly toward the inside in first air duct, simultaneously The normal ventilation with the external world is realized in first air duct by the ventilation hole, therefore the present invention efficiently solves the prior art Existing water flow or water droplet are easily accessible the technical problem to filter for breathing-protection purpose, and then significantly reduce and enter breathing filter Water inside dirt device improves the waterproof performance of filter for breathing-protection purpose, more alleviates the inside zero to brake rigging in turn It is interfered caused by the normal use of part.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the prior art;
In above each figure: 1, respirator body;2, dirt filtrating screen;3, retaining ring;
Fig. 2 is the structural schematic diagram of an embodiment of the present invention;
Fig. 3 is the schematic perspective view of ontology in Fig. 2;
Fig. 4 is the external structure schematic diagram of protective jacket in Fig. 2;
In above each figure: 10, ontology;11, the first air duct;12, ventilation hole;13, interconnecting piece;14, head;20, protective jacket; 21, the second air duct;22, the second air port;23, set portion;24, canister portion;30, washer;40, filter assemblies;41, dirt filtrating screen;42, it filters Core;43, retaining ring;50, matrix.
Specific embodiment
In the following, the present invention is specifically described by illustrative embodiment.It should be appreciated, however, that not into one In the case where step narration, element, structure and features in an embodiment can also be advantageously incorporated into other embodiments In.
In the description of the present invention, it should be noted that the instruction such as term "inner", "outside", "upper", "lower", "front", "rear" Orientation or positional relationship be positional relationship based on the figure, be merely for convenience of description of the present invention and simplification of the description, and It is not that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore It is not considered as limiting the invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as Indication or suggestion relative importance.
The embodiment of the present invention solves water flow in the prior art by providing a kind of filter for breathing-protection purpose and brake rigging Or water droplet is easily accessible the technical problem to filter for breathing-protection purpose, reduces the water entered inside filter for breathing-protection purpose, improves The waterproof performance of filter for breathing-protection purpose.
Specifically, due to the side that the ventilation hole is set to first air duct, while the ontology envelope is set Close the one end in first air duct so that the wind transmitted between filter for breathing-protection purpose and the external world from the side in first air duct into Out, thus compared with the existing technology by the way of making the first air duct both ends divulge information, when working as flushing vehicle, described The closed end of body can be blocked to the water come is largely penetrated, so that water will not be emitted directly toward the inside in first air duct, Simultaneously first air duct by the ventilation hole realize with the external world normal ventilation, therefore the present invention efficiently solve it is existing Water flow or water droplet existing for technology are easily accessible the technical problem to filter for breathing-protection purpose, and then significantly reduce to enter and exhale The water inside dirt catcher is inhaled, the waterproof performance of filter for breathing-protection purpose is improved, more alleviates the inside to brake rigging in turn It is interfered caused by the normal use of components.
In order to better understand the above technical scheme, in conjunction with appended figures and specific embodiments to upper Technical solution is stated to be described in detail.
Referring to figs. 2 and 3, a kind of filter for breathing-protection purpose, the filter for breathing-protection purpose include:
Ontology 10, the inside of the ontology 10 are formed with the first air duct 11, when in use, to realize the ontology 10 and base Ventilation between plinth brake apparatus chamber, the side wall in first air duct 11 are formed with ventilation hole 12, and the ventilation hole 12 runs through The ontology 10, to realize the air circulation between the ontology 10 and the external world, in the extension side along first air duct 11 Upwards, one end of the ontology 10 is open end, and to form first air port in first air duct 11, the open end, which is opened, to be used for It is fixedly connected with the matrix of brake rigging, the other end of the ontology 10 is closed end, to block first air duct 11;
Specifically, the ontology 10 can be T-shaped, for example, as shown in Figures 2 and 3, the ontology 10 is in screw-like, The ontology 10 includes interconnecting piece 13 and head 14, and the interconnecting piece 13 is preferably rounded ladder shaft-like, the interconnecting piece 13 With small size axis and large-size axis parts, one end of the interconnecting piece 13 is the open end of the ontology 10, the interconnecting piece 13 The other end is located on large-size axis parts and is preferably integrally formed with the head 14, so that the interconnecting piece 13 and the head 14 have stable connection relationship, and first air duct 11 has the section perpendicular to its extending direction, first air duct 11 Section can be for circle, rectangle etc., first air duct 11 axially penetrates through the interconnecting piece 13, institute along the interconnecting piece 13 The preferably cylindrical bulk in head 14 is stated, the head 14 and the interconnecting piece 13 are coaxial, the head 14 and the interconnecting piece 13 large-size axis parts are tightly connected, to block first air duct 11, to prevent water straight from the end in first air duct 11 The inside for entering to first air duct 11 is connect, at this point, the closed end of the ontology 10 is located on the head 14, the ventilation Hole 12 is opened on the large-size axis parts of the interconnecting piece 13, and the ventilation hole 12 is from the side wall in first air duct 11 along the company Socket part 13 extends radially through the interconnecting piece 13, so that wind is entered from the side of the interconnecting piece 13 through the ventilation hole 12 The inside in first air duct 11;
In addition, external screw thread is formed on the outer circumference surface of the small size axis of the interconnecting piece 13, in use, to make The mode that filter for breathing-protection purpose of the present invention is connected through a screw thread is obtained to be fixed on the matrix of brake rigging.
Based on above-mentioned, the present invention is at least had the following technical effect that
Filter for breathing-protection purpose of the present invention is set simultaneously since the ventilation hole 12 to be set to the side in first air duct 11 One end that the ontology 10 closes first air duct 11 is set, so that the wind transmitted between filter for breathing-protection purpose and the external world is from described The side in one air duct 11 passes in and out, thus compared with the existing technology by the way of making 11 both ends of the first air duct divulge information, when flushing When vehicle, the closed end of the ontology can be blocked to the water come is largely penetrated, so that water will not be emitted directly toward The inside in first air duct 11, while first air duct 11 is realized by the ventilation hole 12 and is normally changed with extraneous Gas, therefore the present invention efficiently solves water flow of the existing technology or water droplet is easily accessible technology to filter for breathing-protection purpose Problem, and then the water entered inside filter for breathing-protection purpose is significantly reduced, the waterproof performance of filter for breathing-protection purpose is improved, more in turn Alleviate the interference caused by the normal use of the inner components of brake rigging.
The closed end of the ontology 10 is crossed due to during vehicle rinsing, having a small amount of water, or is fallen directly into To at the ventilation hole 12, and the gravity for passing through itself enters the inside in first air duct 11 along the ventilation hole 12, Therefore, the present invention also provides following designs:
Referring to fig. 2, at least there is a ventilation hole 12, be formed in the vertical court of opening of 10 outer wall of ontology Under;
Specifically, as shown in Fig. 2, the ventilation hole 12 extends and passes through vertically downwards from the first passage 11 Wear the ontology 10;
In addition, the ventilation hole 12 can also extend through the ontology 10, institute along bend from the first passage 11 It is tangent close to the end of 10 outer wall of ontology and vertical direction to state bend.
Based on above-mentioned, the present invention is at least had the following technical effect that
Filter for breathing-protection purpose of the present invention, since the ventilation hole 12 is formed in the opening of 10 outer wall of ontology downwards, During vehicle rinsing, though the closed end for thering is a small amount of water to cross the ontology 10, or fall directly into the ventilation At hole 12, water flows out under the influence of self gravity to the lower section of ventilation hole 12, without entering first by ventilation hole 12 The inside in air duct 11, to during use, have less water by first air duct 11 and enter foundation brake In the chamber of device, and then the significantly more efficient normal operation that ensure that brake rigging chamber interior element.
In order to improve the disengaging air quantity of filter for breathing-protection purpose, so that more wind can be obtained in the brake rigging course of work Supply, the present invention also provides following designs:
Referring to figs. 2 and 3, the ventilation hole 12 is multiple, and first air duct 11 has perpendicular to its extending direction Section, multiple ventilation holes 12 are alternatively arranged along the contour direction in 11 section of the first air duct;
Specifically, as shown in Figures 2 and 3, the section in first air duct 11 is circle, at this point, first air duct 11 cross section profile is circle, and multiple ventilation holes 12 are along circular direction array, i.e., on along circular direction, any phase Spacing size between two adjacent ventilation holes 12 is a constant numerical value;
In addition, the position of multiple ventilation holes 12 can be with are as follows: all ventilation holes 12 are respectively positioned on the ontology 10 Lower part, to reach the most of gravity at itself of the water at the ventilation hole 12 with this influences downwards, along the ontology 10 outer wall slides downwards, to enable to less water to pass through the ventilation hole while ensure that larger ventilation quantity 12 enter the inside in first air duct 11.
Based on above-mentioned, the present invention is at least had the following technical effect that
Filter for breathing-protection purpose of the present invention enables extraneous wind to pass through more by setting multiple for the ventilation hole 12 A ventilation hole 12 enters the inside in first air duct 11, improves the area of ventilation, and then improves ventilation quantity, so that base More windy supply can be obtained in the plinth brake apparatus course of work.
Due to the presence of the ventilation hole 12, can also there be part water by the ventilation hole 12 and enter first wind The inside in road 11, especially when rainy day, part water can enter directly into the ventilation hole 12, and then water passes through institute The inside that the first air duct 11 enters brake rigging chamber is stated, therefore, the present invention also provides following designs:
Referring to fig. 2 and Fig. 4, the filter for breathing-protection purpose further include:
Protective jacket 20, the protective jacket 20 are socketed on the outside of the ontology 10;
The second air duct 21 is formed between the protective jacket 20 and the ontology 10, the protective jacket 20 covers at described logical The outside of air holes 12, to block the ventilation hole 12 and be connected to second air duct 21 with the ventilation hole 12;
The protective jacket 20 has the second air port 22, to realize the air inlet/outlet in second air duct 21;
Specifically, as shown in Figure 2 and Figure 4, the protective jacket 20 includes set portion 23, the set portion 23 is preferably in ring Shape, so that the set portion 23 can be easily in the ontology after being socketed in the outside of the ontology 10 when the set portion 23 It is rotated on 10, to be adjusted to required position, to be conducive to improve installation effectiveness, the inner hollow in the set portion 23, the set The inner peripheral end in portion 23 is formed with annular opening, is similar to tire, the set portion 23 is socketed on 13 large scale of interconnecting piece The outside of axis, to cover the ventilation hole 12, prevent the ventilation hole 12 is from straight-through with outside air, the set portion 23 it is interior Circumferential end is contacted with the fitting of the outer wall of the ontology 10, enters institute between the set portion 23 and the ontology 10 to avoid water The inside in set portion 23 is stated, forms second air duct 21 after the set portion 23 and the ontology 10 socket, at this time second wind Road 21 is annular in shape, and second air port 22 is connected to second air duct 21, so that wind is in second air port 22, described It circulates between second air duct 21, the ventilation hole 12 and first air duct 11, second air port 22 is preferably downwards It is arranged, when working as the closed end for thering is a small amount of water to cross the ontology 10 with this, or falling directly at second air port 22, Water flows out under the influence of self gravity to the lower section in second air port 22, without entering institute by the second air port 22 The second air duct 21 is stated, and enters to foundation brake by second air duct 21, the ventilation hole 12 and first air duct 11 The chamber interior of device, and then the significantly more efficient normal operation that ensure that brake rigging chamber interior element, the company The outside of the small size axis of socket part 13 is socketed with washer 30, and the washer 30 is for limiting the set portion 23, the pad The preferably butterfly gasket of circle 30, to compress the set portion 23 in real time, to guarantee to limit stablizing for the set portion 23, the set The two sides in portion 23 are contacted with the washer 30 and the head 14 respectively, constrain the set portion 23 along 13 axis of interconnecting piece with this To freedom of motion;
In addition, the set portion 23 can be resilient sleeve, for example, rubber sleeve etc., or can be rigid enclosure, such as metallic sheath Deng in order to enable the protective jacket 20 is efficiently connect with the ontology 10, while improving the protective jacket 20 and the ontology 10 Between the leakproofness that connects, preferably, the set portion 23 is more preferably as shown in Fig. 2, the set portion 23 is resilient sleeve Rubber sleeve, since the set portion 23 has elastic deformation characteristic, can efficiently be adapted to the various sizes of ontology 10 installation needs, while after being socketed on the outside of the ontology 10 when the set portion 23, under elastic reaction, the set portion The outer wall of 23 inner periphery end and the ontology 10 contacts with pressure, and connects between the protective jacket 20 and the ontology 10 to improve The leakproofness connect, and then outside water is preferably avoided to enter described the from the junction of the protective jacket 20 and the ontology 10 The inside in two channels 21.
Based on above-mentioned, the present invention is at least had the following technical effect that
Filter for breathing-protection purpose of the present invention, by being socketed the protective jacket 20 in the external of the ontology 10, to form described the Two channels 21, and second air port 22 is set, to guarantee the second channel 21 and extraneous air circulation, while making institute The outside that protective jacket 20 is provide with the ventilation hole 12 is stated, so that the ventilation hole 12 and the external world are non-straight-through, but passes through institute It states second channel 21 and second air port 22 is in communication with the outside, then situations such as working as vehicle rinsing and encountering special weather Under, filter for breathing-protection purpose can normal ventilation, and even if part water crosses the closed end of the ontology 10, or directly fall to institute State ventilation hole 12, the inside that can be also blocked by the shield 20 without entering the ventilation hole 12, and then reduce from The ventilation hole 12 enters to the water in first air duct 11, significantly more efficient to ensure that brake rigging chamber interior member The normal operation of part.
Second air port 22 can be formed directly into the set portion 23, at this point, due to passing through described the when part water When two air ports 22, water can enter directly into the inside in second air duct 21, to be easy to enter to institute from the ventilation hole 12 It states in the first air duct 11, therefore, the present invention also provides following designs:
Referring to fig. 2 with 4, the protective jacket 20 further include:
Canister portion 24, cartridge 24 are fixedly installed on the side in the set portion, and one end of cartridge 24 is formed with described Second air port 22, the other end of cartridge 24 are connected to second air duct 21;
Specifically, as shown in Figure 2 and Figure 4, cartridge 24 preferably be in hollow cylindrical, cartridge 24 with it is described Set portion 23 is preferably integrated molding, and so as to improve the whole stability of the protective jacket 20, cartridge 24 is preferably located at It the lower section in the set portion 23 and extends downwardly, second air port 22 is enabled to downwards with this.
Based on above-mentioned, the present invention is at least had the following technical effect that
Filter for breathing-protection purpose of the present invention, by stating setting cartridge 24 on the basis of set portion 23, so that described the Wind is transmitted by cartridge 24 between two air ports 22 and second air duct 21, thus described in the part outside water directive the When at two air ports 22, on the one hand since cartridge 24 can play the role of stopping outside water, on the other hand, enter To second air port 22 water cartridge 24 the more kinetic energy of internal consumption, to be difficult to reach second wind The inside in road 21, and then outside water is effectively prevented to enter directly into the inside in second air duct 21, so increase outside water into Enter the difficulty to brake rigging chamber interior, it is significantly more efficient to ensure that the normal of brake rigging chamber interior element Operation.
In order to improve dust filtering effect, the present invention also provides following designs:
Referring to fig. 2, the filter for breathing-protection purpose further includes filter assemblies 40, and the filter assemblies 40 are set to first wind The inside in road 11, to filter the wind for passing in and out the ventilation hole 12, the filter assemblies 40 include:
Dirt filtrating screen 41, the dust filtration net cover are connected to the inside in first air duct;
One end of filter core 42, the filter core 42 is contacted with the dust filtration net 41, axial along first air duct 11 with limitation Movement, the other end of the filter core 42 is set at the ventilation hole 12, is flowed out with directly receiving from the ventilation hole 12 Wind;
Specifically, the dust filtration net 41 is socketed on described as shown in Fig. 2, the filter assemblies 40 further include retaining ring 43 The inner wall of the inside in the first air duct 11, first air duct 11 is stepped, the one side of the dust filtration net 41 and described first The inner wall in air duct 11 contacts, and the another side of the dust filtration net 41 is contacted with the retaining ring 43, and the retaining ring 43 is arranged in described The inside in the first air duct 11 constrains the dust filtration net 41 along the axial freedom of motion in first air duct 11, the filter with this The outer peripheral surface of dirt net 41 is contacted with the inner wall in first air duct 11, to constrain the dust filtration net 41 along 11 diameter of the first air duct To freedom of motion, avoid the dust filtration net 41 from generating shaking in the inside in first air duct 11, the filter core 42 is preferably Cylindrical, the filter core 42 is preferably filter cotton.
Based on above-mentioned, the present invention is at least had the following technical effect that
Filter for breathing-protection purpose of the present invention, by the way that the filter core 42 is arranged on the basis of the dust filtration net 41, so that disengaging institute Filtering of the wind in the first air duct 11 by the dust filtration net 41 and the filter core 42 is stated, compared to the filter screen 41 is only arranged Mode, can the significantly more efficient dust in wind be filtered, and then improve filter efficiency.
Referring to fig. 2, the present invention also provides a kind of brake riggings, comprising:
Matrix 50, support section of the described matrix 50 as basic brake apparatus, plays the role of base support;
Filter for breathing-protection purpose, the specific structure of the filter for breathing-protection purpose is referring to above-described embodiment, due to this brake rigging Using whole technical solutions of above-mentioned all embodiments, therefore at least institute brought by the technical solution with above-described embodiment There is beneficial effect, this is no longer going to repeat them, and the open end of the ontology 10 is fixedly connected with described matrix 50, for example, such as Fig. 2 Shown, the mode that the ontology 10 is connected through a screw thread is fixedly connected with described matrix 50, is convenient for this to the breathing dust filtering The dismounting of device, and then be conducive to timely replace the filter for breathing-protection purpose.
Technical solution in above-mentioned the embodiment of the present application, at least have the following technical effects or advantages:
1, since the ventilation hole 12 to be set to the side in first air duct 11, while the ontology 10 is set and is closed The one end in first air duct 11 so that the wind transmitted between filter for breathing-protection purpose and the external world from the side in first air duct 11 into Out, described when working as flushing vehicle thus compared with the existing technology by the way of making 11 both ends of the first air duct divulge information The closed end of ontology can be blocked to the water come is largely penetrated, so that water will not be emitted directly toward in first air duct 11 Portion, while the normal ventilation with the external world is realized in first air duct 11 by the ventilation hole 12, therefore the present invention effectively solves Water flow of the existing technology of having determined or water droplet are easily accessible the technical problem to filter for breathing-protection purpose, and then significantly reduce The water inside filter for breathing-protection purpose is entered, the waterproof performance of filter for breathing-protection purpose is improved, more and then is alleviated to foundation brake dress Interference caused by the normal use for the inner components set.
2, since the ventilation hole 12 is formed in the opening of 10 outer wall of ontology downwards, in vehicle rinsing process In, even if the closed end for thering is a small amount of water to cross the ontology 10, or fall directly at the ventilation hole 12, water is at itself It under the influence of gravity, is flowed out to the lower section of ventilation hole 12, the inside without entering the first air duct 11 by ventilation hole 12, from And during use, have less water enters in the chamber of brake rigging by first air duct 11, into And the significantly more efficient normal operation that ensure that brake rigging chamber interior element.
3, by setting multiple for the ventilation hole 12, extraneous wind is entered by multiple ventilation holes 12 The inside in first air duct 11, improves the area of ventilation, and then improves ventilation quantity, so that brake rigging is worked More windy supply can be obtained in journey.
4, it by being socketed the protective jacket 20 in the external of the ontology 10, to form the second channel 21, and sets Second air port 22 is set, to guarantee the second channel 21 and extraneous air circulation, while is provide with the protective jacket 20 The outside of the ventilation hole 12 so that the ventilation hole 12 and extraneous non-straight-through, but by the second channel 21 and Second air port 22 is in communication with the outside, then when working as vehicle rinsing and encountering special weather, filter for breathing-protection purpose energy Enough normal ventilations, and even if part water crosses the closed end of the ontology 10, or directly fall to the ventilation hole 12, also can The inside blocked by the shield 20 without entering the ventilation hole 12, and then reduce and enter from the ventilation hole 12 To the water in first air duct 11, the significantly more efficient normal operation that ensure that brake rigging chamber interior element.
5, since the set portion 23 has elastic deformation characteristic, it can efficiently be adapted to various sizes of described The installation of ontology 10 needs, while after being socketed on the outside of the ontology 10 when the set portion 23, described under elastic reaction The outer wall of the inner periphery end in set portion 23 and the ontology 10 contacts with pressure, to improve the protective jacket 20 and the ontology 10 Between the leakproofness that connects, and then outside water is preferably avoided to enter institute from the junction of the protective jacket 20 and the ontology 10 State the inside of second channel 21
6, by stating setting cartridge 24 on the basis of set portion 23, so that second air port 22 and described the Wind is transmitted by cartridge 24 between two air ducts 21, thus when at the second air port 22 described in the outside water directive of part, one On the other hand aspect, enters second air port since cartridge 24 can play the role of stopping outside water 22 water cartridge 24 the more kinetic energy of internal consumption, to be difficult to reach the inside in second air duct 21, into And outside water is effectively prevented to enter directly into the inside in second air duct 21, and then from increasing outside water and enter foundation brake dress Set the difficulty of chamber interior, the significantly more efficient normal operation that ensure that brake rigging chamber interior element.
7, by the way that the filter core 42 is arranged on the basis of the dust filtration net 41, so that the wind in disengaging first air duct 11 Filtering by the dust filtration net 41 and the filter core 42, compared to the mode that the filter screen 41 is only arranged, can more added with Effect is filtered the dust in wind, and then improves filter efficiency.
8, it is set as being arranged downwards by the way that second air port 22 is arranged, working as with this has a small amount of water to cross described The closed end of body 10, or when falling directly at second air port 22, water is under the influence of self gravity, to described second The lower section in air port 22 is flowed out, and without entering second air duct 21 by the second air port 22, and passes through second air duct 21, the ventilation hole 12 and first air duct 11 enter to the chamber interior of brake rigging, and then significantly more efficient guarantor The normal operation of brake rigging chamber interior element is demonstrate,proved.

Claims (10)

1. a kind of filter for breathing-protection purpose, which is characterized in that the filter for breathing-protection purpose includes:
Ontology, the inside of the ontology are formed with the first air duct, and the side wall in first air duct is formed with ventilation hole, the ventilation The ontology is run through in hole, and on the extending direction along first air duct, one end of the ontology is open end, to be formed First air port in the first air duct is stated, the other end of the ontology is closed end, to block first air duct.
2. filter for breathing-protection purpose according to claim 1, which is characterized in that at least there is a ventilation hole, formed In the body outer wall opening downwards.
3. filter for breathing-protection purpose according to claim 1, which is characterized in that the ventilation hole is multiple, first air duct With the section perpendicular to its extending direction, multiple ventilation holes are arranged along the contour direction interval of first duct cross-section Column.
4. filter for breathing-protection purpose according to any one of claim 1-3, which is characterized in that the filter for breathing-protection purpose also wraps It includes:
Protective jacket, the protective jacket are socketed on the outside of the ontology;
The second air duct is formed between the protective jacket and the ontology, the protective cover is set to the outside of the ventilation hole, To block the ventilation hole and be connected to second air duct with the ventilation hole;
The protective jacket has the second air port, to realize the air inlet/outlet in second air duct.
5. filter for breathing-protection purpose according to claim 4, which is characterized in that second air port is downwards.
6. filter for breathing-protection purpose according to claim 4, which is characterized in that the protective jacket includes:
Set portion, the set portion are socketed on the outside of the ontology, second air duct be formed in the set portion and the ontology it Between;
Canister portion, cartridge are fixedly installed on the side in the set portion, and one end of cartridge is formed with second air port, institute The other end for stating canister portion is connected to second air duct.
7. filter for breathing-protection purpose according to claim 6, which is characterized in that second air port is downwards.
8. filter for breathing-protection purpose according to claim 4, which is characterized in that the protective jacket is resilient sleeve.
9. filter for breathing-protection purpose according to claim 1, which is characterized in that the filter for breathing-protection purpose further include:
Filter assemblies, the filter assemblies are set to the inside in first air duct, to filter the wind for passing in and out the ventilation hole, institute Stating filter assemblies includes:
Dirt filtrating screen, the dust filtration net cover are connected to the inside in first air duct;
One end of filter core, the filter core is contacted with the dust filtration net, and the other end of the filter core is set to the disposed at air vent.
10. a kind of brake rigging characterized by comprising
Matrix;
Filter for breathing-protection purpose, the filter for breathing-protection purpose are filter for breathing-protection purpose described in any one of claim 1-8, and the ontology is opened Mouth end is fixedly connected with described matrix.
CN201811284706.XA 2018-10-31 2018-10-31 Breathing dust filter and foundation brake device Active CN109291905B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811284706.XA CN109291905B (en) 2018-10-31 2018-10-31 Breathing dust filter and foundation brake device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811284706.XA CN109291905B (en) 2018-10-31 2018-10-31 Breathing dust filter and foundation brake device

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CN109291905A true CN109291905A (en) 2019-02-01
CN109291905B CN109291905B (en) 2020-01-07

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2913722Y (en) * 2006-06-12 2007-06-20 万安集团有限公司 Breathing apparatus for spring brake cylinder
PL63633Y1 (en) * 2005-04-29 2008-02-29 Inst Pojazdow Szynowych Tabor Breather valve, particularly for the brake system ball cock
CN202169941U (en) * 2011-07-13 2012-03-21 泰安众志汽车零部件有限公司 Internal breathing valve for spring braking air chamber
CN105003493A (en) * 2015-07-13 2015-10-28 青岛四方车辆研究所有限公司 Ventilation plug for hydraulic braking unit oil tank of tramcar
CN207203663U (en) * 2017-08-03 2018-04-10 中车唐山机车车辆有限公司 A kind of water treatment plant and train

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL63633Y1 (en) * 2005-04-29 2008-02-29 Inst Pojazdow Szynowych Tabor Breather valve, particularly for the brake system ball cock
CN2913722Y (en) * 2006-06-12 2007-06-20 万安集团有限公司 Breathing apparatus for spring brake cylinder
CN202169941U (en) * 2011-07-13 2012-03-21 泰安众志汽车零部件有限公司 Internal breathing valve for spring braking air chamber
CN105003493A (en) * 2015-07-13 2015-10-28 青岛四方车辆研究所有限公司 Ventilation plug for hydraulic braking unit oil tank of tramcar
CN207203663U (en) * 2017-08-03 2018-04-10 中车唐山机车车辆有限公司 A kind of water treatment plant and train

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