CN101625059A - Dust cover for hose connector - Google Patents
Dust cover for hose connector Download PDFInfo
- Publication number
- CN101625059A CN101625059A CN200910090890A CN200910090890A CN101625059A CN 101625059 A CN101625059 A CN 101625059A CN 200910090890 A CN200910090890 A CN 200910090890A CN 200910090890 A CN200910090890 A CN 200910090890A CN 101625059 A CN101625059 A CN 101625059A
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- dust cover
- support arm
- arm
- hose connector
- fan
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Abstract
The invention provides a dust cover for a hose connector, aiming to overcome the risk that an embedded dust cover enters an internal air way of a hose connector assembly through a connector port in the prior art. The hose connector comprises the connector port, a fan-shaped flange arranged on one side of the connector port and a fan-shaped groove matched with the fan-shaped flange and symmetrically arranged on the other side of the connector port. The dust cover comprises a dust cover body used for covering and sealing the connector port and a support arm and a crank arm which are symmetrically arranged on both sides of the dust cover body, wherein the support arm is used for detecting into the fan-shaped groove and butting against a downward surface of the fan-shaped groove, and the crank arm is used for buckling the fan-shaped flange. The dust cover is of an external cover type design and effectively stops entering the internal air way of the host connector assembly, thereby guaranteeing the driving safety of railway engines.
Description
Technical field
The present invention relates to a kind of hose connector, relate in particular to a kind of dust cover that is used for hose connector.
Background technique
Hose connector is positioned at an end of hose connector assembly, being the indispensable accessory that rolling stock's air damper is used to carry pressurized air and transmits the brake operating signal, is a kind of railway brake hose assembly of Chinese utility model patent of ZL98218030.6 as the patent No..When hose connector is in notconnect state, enter the inside air flue of hose connector assembly in order to prevent foreign matter, dust by the connector mouth of hose connector, need be to connector mouth cap seal in addition.Cap seal to the connector mouth in the prior art adopts embedded dust cover always, the inner cap of the similar medicine bottle of shape, but this embedded dust cover exists following defective in actual applications: embedded dust cover adopts plastic material more, matter is soft, pliability is good, in assembly process since manual operation is improper or in transportation process because external force extruding or other reasons, exist the risk that makes embedded dust cover enter the inside air flue of hose connector assembly by the connector mouth, in case embedded dust cover enters the inside air flue of hose connector assembly, because embedded dust cover relative volume is little, be difficult for discovering after entering air flue, the staff still can be installed to the hose connector assembly in the rolling stock, directly influence the proper functioning of associated components, traffic safety is constituted a serious threat.
Summary of the invention
There is the risk that enters the inside air flue of hose connector assembly by the connector mouth in embedded dust cover in the prior art in order to overcome, the invention provides a kind of dust cover for hose connector, it is the design of enclosing cover formula, thereby has stopped the traffic safety that inside air flue that dust cover enters the hose connector assembly has guaranteed rail vehicles effectively.
Technological scheme of the present invention is:
A kind of dust cover for hose connector, described hose connector comprises the connector mouth, fan-shaped flange in the setting of one side, with the scalloped recess that is complementary at the symmetrically arranged and described fan-shaped flange of its opposite side, described dust cover comprises dustproof lid that is used for the described connector mouth of cap seal and the support arm that is symmetricly set on described dustproof lid both sides and cranks arm, the surface down that described support arm is used to probe in the described scalloped recess, withstands described scalloped recess, described cranking arm is used for the described fan-shaped flange of buckle.
Described cranking arm serves as reasons successively that the top, sidepiece and the bottom that connect form
Type.
The described extension part of top of cranking arm for extending along described dust cover surface, the described sidepiece of cranking arm slightly tilts to described dustproof lid, and the described bottom of cranking arm slightly tilts to described dustproof lid.
The lower surface of the fan-shaped flange of described hose connector is provided with arc groove, and the upper surface of the described bottom of cranking arm is provided with the curved flanges that the arc groove with fan-shaped flange lower surface is complementary.
The upper surface on the described top of cranking arm is provided with the stiffening rib that is extended towards the described side direction of cranking arm by described dustproof lid.
Described stiffening rib is two stiffening ribs parallel to each other that are positioned at the described both sides, top of cranking arm.
Described connector mouth place is provided with seal groove, and the selfsealings packing ring on lip ring limit is installed on the described seal groove, and described dustproof lid is provided with the groove that is complementary with described selfsealings packing ring towards the lower surface of described connector mouth.
Described support arm comprise be connected along bottom that described dustproof lid extends with perpendicular to the top of described dustproof lid, the upper end on described support arm top is used to withstand the surface down of described scalloped recess.
Described support arm also comprises the joint that is used to connect described support arm bottom and described support arm top, and described joint is towards the inner inclination of described scalloped recess.
The joint of described crank arm top and the described sidepiece of cranking arm and described joint of cranking arm sidepiece and the described bottom of cranking arm are one section circular arc, and the center of circle of described circular arc and described dust cover body are positioned at the homonymy of described circular arc; The joint of the joint of described support arm bottom and described support arm joint and described support arm top and described support arm joint is one section circular arc, and the center of circle of described circular arc and described dust cover body are positioned at the homonymy of described circular arc.
Technique effect of the present invention is:
The invention provides a kind of enclosing cover formula dust cover for hose connector, fundamentally solved the risk that embedded dust cover existence enters the air flue inside of hose connector assembly in the prior art, effectively guaranteed the traffic safety of rolling stock.Dust cover is mainly by dustproof lid, support arm with crank arm and form, and the dust cover body is used for cap seal connector mouth, thereby support arm and cranking arm is used for dustproof lid is fixed on and makes the lid cap seal connector mouth that prevents dust on the connector.Support arm and the shape of having utilized connector itself that is provided with of cranking arm, the surface down that support arm is used to probe in the scalloped recess, withstands scalloped recess, crank arm and be used for the fan-shaped flange of buckle, the surface down that is to say scalloped recess provides downward active force by support arm to dustproof lid one side, the lower surface of fan-shaped flange provides downward active force equally by the opposite side of cranking arm to dustproof lid, makes dustproof firm being fixed on the hose connector of lid.
Preferably, crank arm to forming by top, sidepiece and bottom
Type is buckled on the fan-shaped flange it; In order to make the consolidation more of buckle, the sidepiece of cranking arm slightly tilts to dustproof lid, and the bottom of cranking arm also slightly tilts to dustproof lid.On the lower surface of fan-shaped flange, arc groove is arranged, therefore can on the upper surface of bottom of cranking arm, be provided with and curved flanges that the arc groove of fan-shaped flange lower surface is complementary, with curved flanges precession arc groove inside, when further improving the degree of compacting of the buckle of cranking arm, also played effect to dustproof lid located lateral.
The upper surface on top of cranking arm is provided with the stiffening rib that is extended towards the side direction of cranking arm by dustproof lid, purpose is that the downward active force that fan-shaped flange lower surface is provided better passes to dustproof lid, under the preferred situation, be provided with two stiffening ribs parallel to each other, downward power is acted on the dustproof lid more equably.
The connector mouth place of connector is provided with seal groove, the selfsealings packing ring on lip ring limit is installed on the seal groove, correspondingly, dustproof lid is provided with the groove that is complementary, and during cap seal connector mouth, earlier groove alignment selfsealings packing ring is fastened, circumference rotation dust cover along the selfsealings packing ring, cranking arm of dust cover is buckled on the fan-shaped flange, simultaneously with in the support arm precession scalloped recess, with cap seal connector mouth.
When scalloped recess when the connector mouth is nearer, support arm only need comprise bottom and top, the upper end on support arm top is used to withstand the surface down of scalloped recess.When scalloped recess when the connector mouth is relatively far away, between support arm top and support arm bottom, can also be provided with joint, joint is towards the inner inclination of scalloped recess, makes support arm top enter the surface down that scalloped recess is inner and then make the upper end on support arm top withstand scalloped recess.
Under the preferred situation, the joint of described crank arm top and the described sidepiece of cranking arm and described joint of cranking arm sidepiece and the described bottom of cranking arm are one section circular arc, and the center of circle of described circular arc and described dust cover body are positioned at the homonymy of described circular arc; The joint of the joint of described support arm bottom and described support arm joint and described support arm top and described support arm joint is one section circular arc, and the center of circle of described circular arc and described dust cover body are positioned at the homonymy of described circular arc, its purpose is, make crank arm and the parts of support arm between more stable, be difficult under stressed situation, bending.
Description of drawings
Fig. 1 is a kind of embodiment's of dust cover for hose connector a main pseudosection;
Fig. 2 is the plan view of Fig. 1;
Fig. 3 is the another kind of embodiment's of dust cover for hose connector a main pseudosection;
Fig. 4 is the plan view of Fig. 3.
Fig. 5 is the use schematic representation of the dust cover for hose connector among Fig. 3 and Fig. 4.
Reference character lists as follows:
100-dust cover, the 110-lid that prevents dust, 111-groove, 120-support arm, 121-support arm bottom, 122-support arm top, 130-cranks arm, the 131-top of cranking arm, the 132-sidepiece of cranking arm, the 133-bottom of cranking arm, 134-stiffening rib, 135-flange, 124,136,137-joint circular arc;
200-dust cover, the 210-lid that prevents dust, 211-groove, 220-support arm, 221-support arm bottom, 222-support arm top, 223-support arm joint, 230-cranks arm, the 231-top of cranking arm, the 232-sidepiece of cranking arm, the 233-bottom of cranking arm, 234-stiffening rib, 235-flange, 225,226-joint circular arc;
The 300-connector, 301-selfsealings packing ring, 302-scalloped recess, the fan-shaped flange of 303-, the groove on the fan-shaped flange lower surface of 304-.
Embodiment
In order to make purpose of the present invention, technological scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Embodiment 1
As depicted in figs. 1 and 2 for a kind of embodiment-dust cover 100 of dust cover for hose connector of the present invention.Dust cover 100 comprises dustproof lid 110 and is symmetricly set on the support arm 120 of dustproof lid both sides, cranks arm 130, under the preferred situation, and the dustproof lid structure that is formed in one.The lower surface of dustproof lid 110 be provided with the connector mouth on the groove 111 that is complementary of the selfsealings packing ring that is provided with, the groove top of groove 111 is arch.The support arm 120 of dustproof lid 110 1 side settings comprises the support arm bottom 121 of extending along dustproof lid 110, be positioned at the free end of support arm bottom 121, perpendicular to the support arm top 122 of dustproof lid, support arm top 122 is used to probe in the scalloped recess, the upper end on support arm top 122 is used to withstand the surface down of scalloped recess, downward active force is provided for dustproof lid 110 from this side.Cranking arm of dustproof lid 100 opposite side settings 130 be used for fan-shaped flange on the snap-on connector, cranks arm 130 for being made up of top 131, sidepiece 132 and bottom 133
Type, under the preferred situation, the sidepiece 132 of cranking arm slightly tilts to dustproof lid 110, and the bottom 133 of cranking arm also slightly tilts to dustproof lid 110, to strengthen the strength of buckle.The upper surface bilateral symmetry on top 131 of cranking arm is provided with two stiffening ribs 134 that extended towards sidepiece 132 directions of cranking arm by dustproof lid 110, and the downward active force that fan-shaped flange lower surface is provided better passes to dustproof lid 110 uniformly.The upper surface of bottom 133 of cranking arm is provided with arc groove with the fan-shaped flange lower surface curved flanges 135 that is complementary, with curved flanges 135 precession arc groove inside, when cranking arm the degree of compacting of the fan-shaped flange of 130 buckles, also play located lateral effect to dustproof lid 110 with raising.
Preferably, the crank arm joint 136 of top 131 and the sidepiece 132 of cranking arm and the joint 137 of crank arm sidepiece 132 and the bottom 133 of cranking arm is one section circular arc, and the center of circle of described circular arc 136 and 137 and dustproof lid 110 are positioned at the homonymy of described circular arc 136 and 137, correspondingly, crank arm left and right two surfaces of sidepiece 132 for along the cambered surface of circular arc 136,137, its purpose is, from the mechanics angle, make and the support that top 131, sidepiece 132 and the bottom 133 crank arm each other can be more stable under stressed situation, to be difficult for bending.
Same reason, support arm bottom 121 also is one section circular arc with the joint 124 on support arm top 122, and the center of circle of described circular arc 124 and described dustproof lid 110 are positioned at the homonymy of described circular arc 124, and left and right two surfaces on support arm top 122 also are the cambered surface along circular arc 124.
Embodiment 2
As shown in Figure 3 and Figure 4 for the another kind of embodiment-dust cover 200 of dust cover for hose connector of the present invention.Compare with embodiment 1, the difference of present embodiment is, when the scalloped recess of connector when the connector mouth is relatively far away, the support arm of being made up of support arm bottom 121 and support arm top 122 120 among the embodiment 1 is difficult to enter scalloped recess inside, therefore the support arm 220 of present embodiment comprises the support arm bottom 221 of extending along dustproof lid 210, support arm top 222 perpendicular to dustproof lid 210, and the support arm joint 223 towards the scalloped recess inner inclination that is used to connect support arm bottom 221 and support arm top 222, make support arm top 222 can further probe into scalloped recess inside, the upper end on support arm top 222 is easy to withstand the surface down of scalloped recess.
Correspondingly, support arm bottom 221 is one section circular arc with the joint 225 of support arm joint 223 and the joint 226 of support arm top 222 and support arm joint 223, and the center of circle of described circular arc 225 and 226 and described dustproof lid 210 are positioned at the homonymy of described circular arc 225 and 226, and left and right two surfaces of support arm top 222 and support arm joint 223 are the cambered surface along circular arc 225 and 226.
Fig. 5 is used for the use schematic representation of connector 300 for dust cover 200.During cap seal, earlier with the selfsealings packing ring 301 on the connection mouth of groove 211 alignment connectors 300, circumference rotation dust cover 200 along the selfsealings packing ring, in the groove with support arm 220 precession scalloped recess 302, the lower surface of scalloped recess 302 is withstood in the upper end on support arm top 222, simultaneously in the arc groove 304 with fan-shaped flange 303 lower surfaces of curved flanges 235 precessions, fan-shaped flange 303 enters and crank arm 230
In the type track, making cranks arm 230 closely fastens with fan-shaped flange 303.At this moment, the surface down of scalloped recess 302 provides downward active force by the upper end on support arm top 222 to dustproof lid 210 1 sides, the lower surface of fan-shaped flange 303 provides downward active force equally by the opposite side of the 230 pairs of dustproof lids 210 of cranking arm, and makes dustproof lid 210 in vertically firm being fixed on the hose connector.The located lateral effect to dustproof lid 210 has been played in crank arm arc groove chimeric of curved flanges 235 and fan-shaped flange lower surface of upper surface of bottom 233.
In addition, dust cover for hose connector of the present invention can adopt any material manufacturing, but occasion in conjunction with the dust cover practical application, prevent in transportation process that mainly foreign matter from entering the inner air flue of hose connector assembly, the preferred plastic material that adopts, obviously it is low than the metal material cost, moulding is easy, easy to process, productive rate is high.In plastic material, preferably adopt the polyethylene material, it is outstanding than other plastic material environmental-protecting performances, resistance to low temperature is good.Certainly, in conjunction with concrete actual conditions, it is also conceivable that the plastic material of preferred other kinds of employing.
Claims (10)
1. dust cover for hose connector, described hose connector comprises the connector mouth, fan-shaped flange in the setting of one side, with the scalloped recess that is complementary at the symmetrically arranged and described fan-shaped flange of its opposite side, it is characterized in that, described dust cover comprises dustproof lid that is used for the described connector mouth of cap seal and the support arm that is symmetricly set on described dustproof lid both sides and cranks arm, the surface down that described support arm is used to probe in the described scalloped recess, withstands described scalloped recess, described cranking arm is used for the described fan-shaped flange of buckle.
2. a kind of dust cover for hose connector according to claim 1 is characterized in that, described cranking arm serves as reasons successively that the top, sidepiece and the bottom that connect form
Type.
3. a kind of dust cover for hose connector according to claim 2, it is characterized in that, the described extension part of top of cranking arm for extending along described dust cover surface, the described sidepiece of cranking arm slightly tilts to described dustproof lid, and the described bottom of cranking arm slightly tilts to described dustproof lid.
4. a kind of dust cover for hose connector according to claim 2, it is characterized in that, the lower surface of the fan-shaped flange of described hose connector is provided with arc groove, and the upper surface of the described bottom of cranking arm is provided with the curved flanges that the arc groove with fan-shaped flange lower surface is complementary.
5. a kind of dust cover for hose connector according to claim 2 is characterized in that, the upper surface on the described top of cranking arm is provided with the stiffening rib that is extended towards the described side direction of cranking arm by described dustproof lid.
6. a kind of dust cover for hose connector according to claim 5 is characterized in that, described stiffening rib is two stiffening ribs parallel to each other that are positioned at the described both sides, top of cranking arm.
7. a kind of dust cover for hose connector according to claim 1, it is characterized in that, described connector mouth place is provided with seal groove, the selfsealings packing ring on lip ring limit is installed on the described seal groove, and described dustproof lid is provided with the groove that is complementary with described selfsealings packing ring towards the lower surface of described connector mouth.
8. according to the described a kind of dust cover for hose connector of claim 1-7, it is characterized in that, described support arm comprise be connected along bottom that described dustproof lid extends with perpendicular to the top of described dustproof lid, the upper end on described support arm top is used to withstand the surface down of described scalloped recess.
9. a kind of dust cover for hose connector according to claim 8 is characterized in that, described support arm also comprises the joint that is used to connect described support arm bottom and described support arm top, and described joint is towards the inner inclination of described scalloped recess.
10. a kind of dust cover for hose connector according to claim 9, it is characterized in that, the joint of described crank arm top and the described sidepiece of cranking arm and described joint of cranking arm sidepiece and the described bottom of cranking arm are one section circular arc, and the center of circle of described circular arc and described dust cover body are positioned at the homonymy of described circular arc; The joint of the joint of described support arm bottom and described support arm joint and described support arm top and described support arm joint is one section circular arc, and the center of circle of described circular arc and described dust cover body are positioned at the homonymy of described circular arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910090890 CN101625059B (en) | 2009-08-13 | 2009-08-13 | Dust cover for hose connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910090890 CN101625059B (en) | 2009-08-13 | 2009-08-13 | Dust cover for hose connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101625059A true CN101625059A (en) | 2010-01-13 |
| CN101625059B CN101625059B (en) | 2013-07-03 |
Family
ID=41520997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910090890 Expired - Fee Related CN101625059B (en) | 2009-08-13 | 2009-08-13 | Dust cover for hose connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101625059B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720838A (en) * | 2012-06-30 | 2012-10-10 | 中国北车集团大连机车车辆有限公司 | Fixing dustproof device for locomotive end connecting pipe |
| CN106321304A (en) * | 2016-11-25 | 2017-01-11 | 安徽江淮汽车集团股份有限公司 | Spiral air-intake pipeline |
| WO2019061838A1 (en) * | 2017-09-26 | 2019-04-04 | 眉山中车制动科技股份有限公司 | Locking mechanism for automatic dustproofing device of railway locomotive vehicle |
| CN109830868A (en) * | 2019-02-20 | 2019-05-31 | 眉山中车制动科技股份有限公司 | A kind of dust guard and hose connect equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5980289A (en) * | 1997-02-20 | 1999-11-09 | Westinghouse Air Brake Company | Hose coupling with electrical contacts |
| CN201507755U (en) * | 2009-09-14 | 2010-06-16 | 芜湖通和汽车管路系统有限公司 | Sealing protection device at end of automobile brake pipe |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| HU227808B1 (en) * | 2006-08-24 | 2012-03-28 | Contitech Rubber Ind Gumiipari Korlatolt Feleloessegue Tarsasag | Jointed long hose and a method for the joining |
| CN100406800C (en) * | 2006-08-29 | 2008-07-30 | 中国南车集团眉山车辆厂 | Self-sealing dust-proof soft pipe connector |
| CN201511972U (en) * | 2009-08-13 | 2010-06-23 | 北京中铁瑞尔制动配件有限公司 | Dust cover for hose connector |
-
2009
- 2009-08-13 CN CN 200910090890 patent/CN101625059B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5980289A (en) * | 1997-02-20 | 1999-11-09 | Westinghouse Air Brake Company | Hose coupling with electrical contacts |
| CN201507755U (en) * | 2009-09-14 | 2010-06-16 | 芜湖通和汽车管路系统有限公司 | Sealing protection device at end of automobile brake pipe |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720838A (en) * | 2012-06-30 | 2012-10-10 | 中国北车集团大连机车车辆有限公司 | Fixing dustproof device for locomotive end connecting pipe |
| CN102720838B (en) * | 2012-06-30 | 2014-11-12 | 中国北车集团大连机车车辆有限公司 | Fixing dustproof device for locomotive end connecting pipe |
| CN106321304A (en) * | 2016-11-25 | 2017-01-11 | 安徽江淮汽车集团股份有限公司 | Spiral air-intake pipeline |
| WO2019061838A1 (en) * | 2017-09-26 | 2019-04-04 | 眉山中车制动科技股份有限公司 | Locking mechanism for automatic dustproofing device of railway locomotive vehicle |
| CN109830868A (en) * | 2019-02-20 | 2019-05-31 | 眉山中车制动科技股份有限公司 | A kind of dust guard and hose connect equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101625059B (en) | 2013-07-03 |
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Granted publication date: 20130703 Termination date: 20170813 |
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