CN209225120U - Vehicle cleaning device - Google Patents

Abstract

Vehicle cleaning device, comprising: to the nozzle (4) of cleaned material injection fluid；Inner space is the joint portion (3) of the flow path of fluid, is linked with the supply pipe (50) of supply fluid；And the valve body (18) of opening and closing flow path, valve body are configured at the inside at joint portion.Joint portion is connected with supply pipe as a result, and the inside at joint portion is configured with valve body, thus be linked with the component of supply pipe and the component configured with valve body be it is shared, can be realized the reduction of components number and the simplification of construction.

Description

Vehicle cleaning device

Technical field

The utility model relates to the technical fields of vehicle cleaning device, spray fluid from nozzle to cleaned material, from And clean cleaned material.

Background technique

For example, there are a kind of vehicle cleaning device, part of it is from the outward opening being formed on car body or bumper Portion is prominent, sprays fluid from nozzle, cleans the cleaned material such as lamps apparatus for vehicle, video camera, radar.

There are a kind of vehicle cleaning device, the stream that there is the nozzle that front end side injection fluid is arranged in, be configured at fluid The joint portion of the supply pipes such as the valve body and hose on road connection (for example, referring to patent document 1).

In such a vehicle cleaning device, when supplying fluid in flow path, valve body work, flow path is opened, and flows Body is sprayed to Flow in Nozzle, and from nozzle.

Existing technical literature

Patent document

Patent document 1:2006-335299 bulletin

Utility model content

The technical issues of utility model is to be solved

However, in the vehicle cleaning device recorded in patent document 1 there is the spray nozzle part of configuration valve body or supply pipe to connect The joint portion of knot or the maintaining part etc. linked with spray nozzle part hinder except miniaturization except components number, and there is also increase component Assembling working hour possibility.

Therefore, the project of the vehicle of the utility model cleaning device is, realizes reduction and the construction of components number Simplify.

For technical means to solve problem

1st, vehicle cleaning device involved in the utility model, including the nozzle to cleaned material injection fluid；Spray Mouth retainer keeps the nozzle；Inner space is the joint portion of the flow path of fluid, is connected with the supply pipe for being fed with fluid Knot；And the valve body of the opening and closing flow path, the valve body are configured at the inside at the joint portion.

Joint portion and supply pipe link as a result, and are configured with valve body in the inside at joint portion.

2nd, in vehicle cleaning device involved in above-mentioned the utility model, equipped with keeping the nozzle of the nozzle to keep Frame, the preferably described joint portion are set as to load and unload relative to the nozzle holder.

There is no other components between nozzle holder and joint portion as a result,.

3rd, in vehicle cleaning device involved in above-mentioned the utility model, it is equipped with and the nozzle at the joint portion The connection canister portion of retainer links and links the pipe linking part of the supply pipe, the axial direction of the preferably described connection canister portion with it is described The axial direction of pipe linking part is set as different directions.

Become bending to the flow path of the fluid of Flow in Nozzle from supply pipe via pipe linking part and connection canister portion as a result, Flow path.

4th, in vehicle cleaning device involved in above-mentioned the utility model, the joint portion be equipped with can elasticity become The connection protrusion of shape, a part preferably by the connection protrusion engage with the nozzle holder, thus by institute It states joint portion and is mounted on the nozzle holder.

Flexible deformation or elastic recovery are occurred by connection protrusion as a result, joint portion is carried out and is kept relative to nozzle The handling of frame.

5th, in vehicle cleaning device involved in above-mentioned the utility model, it is preferably equipped with force application spring, to institute It states valve body to exert a force to the direction of closing flow path, positioned at the inside of the valve body, the fluid flows in the outside of the valve body.

The problem of flowing of fluid is interfered by force application spring will not occur as a result,.

6th, in vehicle cleaning device involved in above-mentioned the utility model, the preferably described flow path is across the valve The opposite side of body is formed with the 1st flow path and the 2nd flow path, and the valve body is formed by the material for capableing of flexible deformation, and being capable of basis Relative to the size of atmospheric pressure flexible deformation occurs for the pressure of the 1st flow path or the pressure of the 2nd flow path.

As a result, when the pressure of the pressure of the 1st flow path or the 2nd flow path becomes larger relative to atmospheric pressure, the diameter of canister portion is pressed It changes, flow path is opened, therefore will not apply excessive pressure to the structure around valve body or valve body.

7th, in vehicle cleaning device involved in above-mentioned the utility model, the preferably described valve body is provided with by pressure cylinder Portion, and the 1st rake and the 2nd rake that are connect with the axial both ends of the pressing canister portion, the 1st rake and described 2nd rake respectively in the axial direction with close to the pressing canister portion and diameter becomes smaller.

As a result, utilize the 1st rake and the 2nd rake, due to fluid flowing and the 1st flow path risen and the 2nd flow path Pressure be easy to be applied to pressing canister portion.

Utility model effect

According to the utility model, joint portion is connected with supply pipe, and the inside at joint portion is configured with valve body, therefore links The component of supply pipe and component configured with valve body be it is shared, can be realized components number reduction and structure it is simple Change.

Detailed description of the invention

Fig. 1 is the side view of vehicle cleaning device, indicates that the utility model vehicle cleans jointly with Fig. 2 to Fig. 4 1st embodiment of device.

Fig. 2 is the perspective view of vehicle cleaning device.

Fig. 3 is the cross-sectional view of vehicle cleaning device.

Fig. 4 is to indicate that valve body works, the cross-sectional view for the state that flow path is opened.

Fig. 5 is the perspective view of vehicle cleaning device, indicates the utility model vehicle cleaning device jointly with Fig. 6 2nd embodiment.

Fig. 6 is the cross-sectional view of vehicle cleaning device.

Fig. 7 is the perspective view of vehicle cleaning device, indicates that the utility model vehicle cleans jointly with Fig. 8 to Figure 11 3rd embodiment of device.

Fig. 8 is the cross-sectional view of vehicle cleaning device.

Fig. 9 is to indicate that the section view of the state before flexible deformation occurs for direction that the pressing canister portion of valve body broadens to diameter Figure.

Figure 10 is to indicate that the section view of the state after flexible deformation occurs for direction that the pressing canister portion of valve body broadens to diameter Figure.

Figure 11 indicates valve body work, the cross-sectional view for the state that flow path is opened.

Symbol description

1 vehicle cleaning device

2 nozzle holders

2a flow path

3 joint portions

4 nozzles

9 connection canister portions

10 pipe linking parts

Protrusion is used in 11 connections

18 valve bodies

22 force application springs

50 supply pipes

1A vehicle cleaning device

The joint portion 3A

9A links canister portion

10A pipe linking part

Protrusion is used in 11A connection

1B vehicle cleaning device

The 1st flow path of 30a

The 2nd flow path of 30b

The joint portion 3B

32 connection canister portions

Protrusion is used in 35 connections

Specific embodiment

Hereinafter, being illustrated referring to embodiment of the attached drawing to the utility model vehicle cleaning device.

In addition, vehicle cleaning device as shown below, in addition to the cleaned materials such as lamps apparatus for vehicle, video camera, radar it Outside, it is also widely portable to using each section of car body, window, mirror etc. being arranged on vehicle be the vehicle of cleaned material with clearly Cleaning device.

Firstly, being illustrated vehicle cleaning device 1 involved in the 1st embodiment (referring to figs. 1 to Fig. 4).

In addition, the mobile flow path of valve body is beaten in the vehicle cleaning device involved in the 1st embodiment as shown below It opens, so that the inside of fluid flowing through spray nozzles retainer is towards Flow in Nozzle, but in the following description, with the axial direction of nozzle holder For up and down direction, to indicate direction upward or downward, front or back, left or right.In addition, direction upward or downward, front or back, left or right as shown below is for saying Convenience on bright, the implementation of the utility model are not limited to these directions.

Vehicle has nozzle holder 2, joint portion 3 and nozzle 4 with cleaning device 1 (referring to figs. 1 to Fig. 3).

The axial direction of nozzle holder 2 is set as up and down direction, has cylindric cylindrical portion 5, the upper end company with cylindrical portion 5 The nozzle maintaining part 6 connect and the joint portion linking part 7 being connect with the lower end of cylindrical portion 5.The inner space quilt of nozzle holder 2 Be formed as flow path 2a.

The diameter of cylindrical portion 5 is set as smaller than the diameter of nozzle maintaining part 6 and joint portion linking part 7, and cylindrical portion 5 is installed on Such as car body or bumper etc..Nozzle maintaining part 6 is set as being open upward, and joint portion linking part 7 is set as being open downward.

It is equipped in nozzle holder 2 from the outwardly projecting cricoid connection holding section 8 of joint portion linking part 7.Connection is used There is inclined surface 8a and snap-latch surface 8b, the inclined surface 8a to be displaced outward with going upwards for the outer surface of holding section 8, institute It states snap-latch surface 8b to connect with the upper end of inclined surface 8a, in annular shape upward.

The outer peripheral surface of nozzle 4 is formed spherical shape other than upper part, is formed with discharge space 4a in inside.? The upper part of nozzle 4 is formed with the outlet 4b being connected to discharge with space 4a.

Nozzle 4 is pressed into the nozzle maintaining part 6 of nozzle holder 2 with embedded state.Also can be set to nozzle 4 can be opposite It is rotated in nozzle maintaining part 6 to any direction.In the state that nozzle 4 is kept by nozzle maintaining part 6, discharge space 4a and spray The inner space of mouth maintaining part 6 is connected to.

The joint portion linking part 7 of joint portion 3 and nozzle holder 2 links.Joint portion 3 is set as relative to nozzle holder 2 can load and unload.The inner space at joint portion 3 is formed flow path 3a.Joint portion 3 has the connection vertically extended Canister portion 9, from the end portion of connection canister portion 9, rearward pipe linking part 10 outstanding and the connection connecting with connection canister portion 9 are used Protrusion 11.

Connection canister portion 9 is set as axial being the substantially cylindric of up and down direction.In the position of the close upper end of connection canister portion 9 It is formed with the ring insertion groove 9a extended in the circumferential.Connection canister portion 9 inside close upper end position be formed with to Top is gone and the curved surface 9b that is displaced inwardly.The top edge for linking the curved surface 9b of canister portion 9 is formed as the 9c that is open, connection canister portion 9 The upside of opening 9c in inner space is partially forming the insertion space 9d certain for diameter.

The space of the inside of pipe linking part 10 is connected to the space of the inside of connection canister portion 9.

Connection protrusion 11 has from connection canister portion 9 arm 12 outstanding and to be connect with the front end portion of arm 12 forwards Service portion 13, the central part of the up and down direction of service portion 13 connect with arm 12.It is equipped in the upper part of service portion 13 To connection 9 side of canister portion holding section 13a outstanding.The upper and lower ends portion that connection protrusion 11 is set as service portion 13 can be to opposite In the direction flexible deformation that connection contact at canister portion 9 and is left.

Inserted with the sealing ring 14 by formation such as rubber in the ring insertion groove 9a of connection canister portion 9.

Joint portion 3 links with nozzle holder 2 from below, and joint portion 3 is to the connection of nozzle holder 2 by that will link cylinder Portion 9 is inserted into the joint portion linking part 7 of nozzle holder 2 to carry out.When linking the insertion joint portion linking part 7 of canister portion 9, joint portion A part of linking part 7 is inserted between connection canister portion 9 and service portion 13, and holding section 13a is in the connection inclined surface of holding section 8 8a sliding.When holding section 13a is when inclined surface 8a is slided, the holding section 13a of connection protrusion 11 is to separate from connection canister portion 9 Flexible deformation occurs for direction, and when the lower edge of holding section 13a reaches the top edge of inclined surface 8a, with protrusion 11 bullet occurs for connection Property reply, so that holding section 13a is fastened on snap-latch surface 8b.

Joint portion linking part 7 is inserted by that will link canister portion 9 in joint portion 3, and holding section 13a is fastened on snap-latch surface 8b, thus Link with nozzle holder 2.Joint portion 3 carries out connection canister portion using sealing ring 14 in the state of linking with nozzle holder 2 Sealing between 9 and joint portion linking part 7.

As described above, connection of the joint portion 3 to nozzle holder 2 can be inserted into from below engagement by that will link canister portion 9 The process of one step of portion's linking part 7 and complete, therefore can be improved grasping for the connection operation at joint portion 3 to nozzle holder 2 The property made.

On the other hand, joint portion 3 can be solved from removing for nozzle holder 2 by making 11 flexible deformation of connection protrusion It is extracted downwards except the engaging to snap-latch surface 8b of holding section 13a, and by connection canister portion 9 from joint portion linking part 7, thus complete At.At this point, connection with the flexible deformation of protrusion 11 can by by the end portion of service portion 13 to connection 9 side of canister portion pressing come It carries out, therefore, can easily be done the removing from nozzle holder 2 of joint portion 3.

In addition, equipped with the nozzle holder 2 for keeping nozzle 4, making joint portion 3 relative to nozzle in vehicle cleaning device 1 Retainer 2 can dismount, and therefore, there is no other components between nozzle holder 2 and joint portion 3, can reduce component Number.

In addition, being equipped with the connection canister portion 9 linked with nozzle holder 2 and the Guan Lian for being linked with supply pipe 50 at joint portion 3 The axial direction of knot 10, the axial direction and pipe linking part 10 that link canister portion 9 is set as different directions.

To, the flow path of fluid flowed to nozzle 4 from supply pipe 50 via pipe linking part 10 and connection canister portion 9 at For curved flow path, the freedom degree of the design in view of the configuration space of vehicle etc. can be improved.

Furthermore it is equipped with the connection protrusion 11 for capableing of flexible deformation at joint portion 3, passes through the engaging by connection with protrusion 11 Portion 13a engages with the connection holding section 8 of nozzle holder 2, so that joint portion 3 is installed to nozzle holder 2.

To which connection carries out the nozzle holder 2 relative to joint portion 3 with protrusion 11 by flexible deformation or elastic recovery Handling therefore can easily be done handling operation of the joint portion 3 relative to nozzle holder 2.

Pipe linking part 10 at joint portion 3 is linked with the supply pipes such as hose 50.It is fed in supply pipe 50 from not shown Service tank ejected wash water or cleaning solution etc. fluid, the fluid of supply keeps from the flow path 3a at joint portion 3 by nozzle The flow path 2a of frame 2 is flowed towards nozzle 4.

The lid 15 of the lower opening of closing connection canister portion 9 is installed at joint portion 3.Lid 15 is equipped with substantially disk-shaped Closure 16 and central part from closure 16 spring-loaded portion 17 outstanding upwards.It is formed in closure 16 and passes through up and down Logical air-through holes 16a, 16a.

The closed state of lower opening for linking canister portion 9 is mounted on joint portion 3 with closure 16 by lid 15.

Valve body 18 is configured in the inside of the connection canister portion 9 at joint portion 3.Valve body 18 by elastically deformable rubber material etc. It is formed.

Valve body 18 includes the opening/closing portion 19 vertically extended, from opening/closing portion 19 protruding part 20 outstanding, Yi Jicong upwards The flange shape attached portion 21 that the end portion of opening/closing portion 19 stretches out outward.The outer peripheral surface of the upper end of opening/closing portion 19 is formed It is set as curved press surface 19a raised upwards, press surface 19a roughly the same with the connection curved surface 9b of canister portion 9 Curvature.The configuration space 19b being open downwards is formed in opening/closing portion 19.The lower edge of protruding part 20 is upper with press surface 19a's Edge is consistent, and diameter is set as smaller than the maximum gauge of opening/closing portion 19.

The peripheral part of the attached portion 21 of valve body 18 is concatenated a part of canister portion 9 and the closure 16 of lid 15 from upper and lower The inside that direction clamps and configured in connection canister portion 9.The attached portion 21 of valve body 18 can be on opening/closing portion 19 and protruding part 20 Flexible deformation occurs for the direction of lower movement.

Valve body 18 is exerted a force by the direction of force application spring 22 towards the curved surface 9b that press surface 19a is pushed on to connection canister portion 9.It presses Pressing spring 22 is such as compression helical spring, removes end portion, and other parts are inserted into 18 configuration space 19b of valve body, and In spring-loaded portion 17 of the inside inserted with lid 15, upper and lower ends portion is pushed on the closure of valve body 18 and lid 15 respectively 16。

For valve body 18 in the state of being not applied to motive force downwards, press surface 19 is pushed on curved surface 9b, and be open 9c It is closed by opening/closing portion 19, the entirety of protruding part 20 is inserted into insertion space 9d.

In vehicle as constituted above in cleaning device 1, fluid is supplied to joint portion 3 via supply pipe 50 from service tank Flow path 3a and flow to valve body 18.

At this point, valve body 18 of the extraneous gas from air-through holes 16a, 16a of lid 15 to the inside of nozzle holder 3 Downside is introduced into, and since fluid flows to valve body 18, the pressure (internal pressure) of flow path 3a becomes bigger than atmospheric pressure.To valve body 18 overcome the active force of force application spring 22, and flexible deformation occurs for attached portion 21, and valve body moves downwards the opening and closing (referring to Fig. 4) The press surface 19a in portion 19 leaves from the curved surface 9b at joint portion 3, and opening 9c is opened, and fluid is by opening 9c from flow path 2a to spray Mouth 4 flows.At this point, fluid is flowed away by the part of the peripheral side of valve body 18 to nozzle 4 in flow path 3a.

Like this, it is located at the force application spring 22 of the inside of valve body 18, fluid due to being equipped with in cleaning device 1 in vehicle The outside of valve body 18 is flowed through, therefore the flowing of fluid will not be interfered by force application spring 22, it can be ensured that the smoothly flowing of fluid State.

The fluid flowed towards nozzle 4 flows to discharge space 4a, from outlet 4b to cleaned materials such as lamps apparatus for vehicle Injection cleans cleaned material using the fluid of injection.

If being stopped from the supply of the fluid of service tank, the pressure of the inside at joint portion 3 declines, and attached portion 21 and applies 22 elastic recovery of power spring, valve body 18 are moved upward, and the press surface 19a of opening/closing portion 19 is pushed on the curved surface 9b at joint portion 3, are opened Mouth 9c is closed (referring to Fig. 3), and fluid stops from the injection of nozzle 4.

On the other hand, in vehicle in cleaning device 1, there are fluids to remain in each space from nozzle 4 to valve body 18 Situation, in cold district etc., there is the fluid of remaining due to freezing etc. leads to a possibility that expanding.If fluid like this It expands, then the pressure (internal pressure) from nozzle 4 to the space of valve body 18 becomes bigger than atmospheric pressure, and valve body 18 overcomes force application spring 22 active force moves downwards (referring to Fig. 4), and opening 9c is opened, and fluid is in can be to the flowing of the lower end side of valve body 18 State.

As described above, opening 9c is opened, and fluid is in can be to the lower end effluent of valve body 18 when fluid expands Dynamic state, therefore the pressure of each section of valve body 18 and nozzle holder 2 is reduced, valve body 18 will not occur and nozzle is kept The damage or destruction of frame 2.

If fluid freezes etc. to release, the pressure from nozzle 4 to the space of valve body 18 reduces, attached portion 21 and force bullet Elastic recovery occurs for spring 22, and the original state for the curved surface 9b that the press surface 19a for being returned to opening/closing portion 19 is pushed on joint portion 3 (is joined According to Fig. 3).

In the following, being illustrated with cleaning device 1A (referring to Fig. 5 and Fig. 6) to vehicle involved in the 2nd embodiment.

In addition, vehicle cleaning device 1A as shown below is compared with above-mentioned vehicle cleaning device 1, difference exists In, the direction of the configuration relative to joint portion of valve body is different, and the position of connection protrusion is different, in addition to this, vehicle It is identical as vehicle cleaning device 1 with the basic structure of cleaning device 1A.Therefore, only right for vehicle cleaning device 1A It is described in detail with vehicle with the different part of cleaning device 1, is marked to other parts and is filled in vehicle cleaning The identical symbol of symbol that same part is marked in 1 is set, and is omitted the description.

In addition, being kept in the explanation of the vehicle cleaning device involved in the 2nd embodiment as shown below with nozzle The axial direction of frame is that upper and lower always indicates direction upward or downward, front or back, left or right.Moreover, direction upward or downward, front or back, left or right as shown below It is in order to illustrate upper convenience, the implementation of the utility model is not limited to these directions.

Vehicle has nozzle holder 2, joint portion 3A and nozzle 4 with cleaning device 1A.

The joint portion linking part 7 of joint portion 3A and nozzle holder 2.Joint portion 3A is set as relative to nozzle holder 2 It can load and unload.The pipe linking part that joint portion 3A has the connection canister portion 9A vertically extended, connect with connection canister portion 9A 10A and from connection canister portion 9A connection outstanding protrusion 11A.

Connection canister portion 9A is set as axial being the substantially cylindric of up and down direction.

Pipe linking part 10A is formed axial to be substantially cylindric in the front-back direction, part and connection cylinder by front end The end portion of portion 9A connects.Central portion in the front-back direction in the inside of pipe linking part 10A be formed with rearward going and The curved surface 10a being displaced inwardly.The back edge of the curved surface 10a of pipe linking part 10A is formed as the 10b that is open, and pipe linking part 10A's is interior The part of the rear side of opening 10b in portion space is formed as the certain insertion space 10c of diameter.

Connection protrusion 11A has from connection canister portion 9A rearward arm 12A outstanding and front end portion with arm 12A The middle section of the service portion 13A of connection, the length direction of service portion 13A are connect with arm 12A.Service portion 13A is substantially to hang down Straight mode is formed as curved shape, and curved part is connect with arm 12A, has in the end of the connection side canister portion 9A to even Tie the side canister portion 9A holding section 13a outstanding.Connection is set as holding section 13a with protrusion 11A can be to relative to connection canister portion 9A Flexible deformation occurs for the direction for contacting and leaving.

Joint portion 3A links with nozzle holder 2 from below, and joint portion 3A is to the connection of nozzle holder 2 by that will link Canister portion 9A is inserted into the joint portion linking part 7 of nozzle holder 2 to carry out.When linking canister portion 9A insertion joint portion linking part 7, connect A part of conjunction portion linking part 7 is inserted between connection canister portion 9A and service portion 13A, and holding section 13a is in connection holding section 8 Inclined surface 8a sliding.When holding section 13a is when inclined surface 8a is slided, connection is with the holding section 13a of protrusion 11A to from connection canister portion Flexible deformation occurs for 9A separate direction, and when the lower edge of holding section 13a reaches the top edge of inclined surface 8a, protrusion is used in connection Elastic recovery occurs for 11A, and holding section 13a is fastened on snap-latch surface 8b.

In this way, connection of the joint portion 3A to nozzle holder 2 can be inserted into from below joint portion by that will link canister portion 9A The process of one step of linking part 7 and complete, therefore can be improved operating for the connection operation of from joint portion 3A to nozzle holder 2 Property.

On the other hand, joint portion 3A from nozzle holder 2 remove can by making connection protrusion 11A flexible deformation, The engaging to snap-latch surface 8b for releasing holding section 13a extracts downwards connection canister portion 9A from joint portion linking part 7, thus complete At.The flexible deformation of connection protrusion 11A can be by pressing the end with the holding section 37a opposite side of service portion 13A at this time It carries out, therefore, can easily be done joint portion 3A removing from nozzle holder 2.

In addition, vehicle in cleaning device 1A be equipped with keep nozzle 4 nozzle holder 2, nozzle holder 2 can Handling ground is equipped with joint portion 3A, therefore can reduce portion there is no other components between nozzle holder 2 and joint portion 3A Part number.

In addition, being equipped with the connection canister portion 9A linked with nozzle holder 2 and the pipe for being linked with supply pipe 50 in joint portion 3A The axial direction of linking part 10A, the axial direction and pipe linking part 10A that link canister portion 9A are set as different directions.

To from supply pipe 50 via the flow path of pipe linking part 10A and connection canister portion the 9A fluid flowed to nozzle 4 As curved flow path, the freedom degree of the design in view of the configuration space of vehicle etc. can be improved.

Furthermore at joint portion, 3A, which is equipped with, is capable of the connection protrusion 11A of flexible deformation, by by connection with protrusion 11A's Holding section 13a engages with the connection holding section 8 of nozzle holder 2, so that joint portion 3A is installed to nozzle holder 2.

To which connection carries out the nozzle holder relative to joint portion 3 with protrusion 11A by flexible deformation or elastic recovery Therefore 2 handling can easily be done handling operation of the joint portion 3A relative to nozzle holder 2.

At joint portion, 3A is equipped with the lid 15 of the front openings of sealed tube linking part 10A.

At joint portion, the inside of the pipe linking part 10A of 3A is configured with valve body 18.Valve body 18 includes the opening and closing extended in the longitudinal Portion 19 rearward protruding part 20 outstanding and is stretched out from the front end of opening/closing portion 19 flange shape outward from opening/closing portion 19 Attached portion 21.One of the closure 16 of the peripheral part coverd part 15 of the attached portion 21 of valve body 18 and pipe linking part 10A Divide and clamped from front and back, is configured in the inside of pipe linking part 10A.The attached portion 21 of valve body 18 can be to opening/closing portion 19 and protruding part Flexible deformation occurs for 20 directions being moved forward and backward.

In vehicle as constituted above in cleaning device 1A, valve body 18 is mobile to be opened and closed opening 10b forward and backward, In addition to realize flowing from fluid to nozzle 4 and flowing stopping other than, also realization fluid expansion when it is caused to valve body 18 or The reduction of the pressure of each section of nozzle holder 2.

Then, vehicle involved in the 3rd embodiment is illustrated with cleaning device 1B (referring to Fig. 7 to Figure 11).

In addition, vehicle as shown below cleaning device 1B, compared with above-mentioned vehicle cleaning device 1, difference exists Composition in valve body, force application spring and joint portion is different.Therefore, for vehicle cleaning device 1B, only it is used with vehicle clear The different part of cleaning device 1 is described in detail, and marks to other parts and in vehicle part same in cleaning device 1 The identical symbol of the symbol marked, and omit the description.

In addition, being kept in the explanation of the vehicle cleaning device involved in the 3rd embodiment as shown below with nozzle The axial direction of frame is that front and back always indicate direction upward or downward, front or back, left or right.Moreover, direction upward or downward, front or back, left or right as shown below It is for the convenience in explanation, the implementation of the utility model is not limited to these directions.

Vehicle has nozzle holder 2, joint portion 3B and nozzle 4 with cleaning device 1B.

Joint portion 3B is linked by maintaining part connecting member 30 and about 31 pipe linking part and is constituted.

Maintaining part connecting member 30, comprising: axial is the substantially cylindric connection canister portion 32 of up and down direction；Set on connection The flat partition board portion 33 towards up and down direction of the position of the close upper end of canister portion 32；It is downward from the central portion of partition board portion 33 Side's axle portion 34 outstanding；And 32 connection protruded outward the protrusions 35 from connection canister portion.In the circumferential direction of connection canister portion 32 On opposite side be formed with air-through holes 32a, 32a.The position for linking the close upper end of canister portion 32 is formed with prolongs in the circumferential The ring insertion groove 32b stretched.Hole 33a, 33a ... are formed through in partition board portion 33.

Axle portion 34 is connect with partition board portion 33, including with go downwards and diameter change portion 34a that diameter becomes smaller and from straight Diameter change section 34a is protruded downwards, the substantially certain pressed portion 34b of diameter.

Connection protrusion 35 has from connection canister portion 32 arm 36 outstanding and to be connected with the front end portion of arm 36 forwards The central portion of the service portion 37 connect, the up and down direction of service portion 37 is connect with arm 36.It is equipped in the upper part of service portion 37 To connection 32 side of canister portion holding section 37a outstanding.The upper and lower ends portion that connection protrusion 35 is set as service portion 37 can be to phase Direction flexible deformation canister portion 32 contact for connection and left.

Inserted with the sealing ring 14 by formation such as rubber in the ring insertion groove 32b of connection canister portion 32.

Joint portion 3B links with nozzle holder 2 from below, and joint portion 3B is to the connection of nozzle holder 2 by that will link Canister portion 32 is inserted into the joint portion linking part 7 of nozzle holder 2 to carry out.When linking the insertion joint portion linking part 7 of canister portion 32, connect A part of conjunction portion linking part 7 is inserted between connection canister portion 32 and service portion 37, and holding section 37a is in connection holding section 8 Inclined surface 8a sliding.When holding section 37a is when inclined surface 8a is slided, the holding section 37a of connection protrusion 35 is to from connection canister portion Flexible deformation occurs for 32 separate directions, and when the lower edge of holding section 37a reaches the top edge of inclined surface 8a, protrusion is used in connection 35 occur elastic recovery, and holding section 37a is fastened on snap-latch surface 8b.

Joint portion 3B is inserted into joint portion linking part 7 by that will link canister portion 32, and holding section 37a is fastened on snap-latch surface 8b, from And link with nozzle holder 2.Joint portion 3B is linked in the state of linking with nozzle holder 2 using sealing ring 14 Sealing between canister portion 32 and joint portion linking part 7.

As described above, connection of the joint portion 3B to nozzle holder 2, it can be inserted into from below by the way that canister portion 32 will be linked and be connect The process of one step of conjunction portion linking part 7 and complete, therefore can be improved the connection operation of from joint portion 3B to nozzle holder 2 can Operability.

On the other hand, joint portion 3B can be solved from removing for nozzle holder 2 by making 35 flexible deformation of connection protrusion Except the engaging to snap-latch surface 8b of holding section 37a, connection canister portion 32 is extracted downwards from joint portion linking part 7, to complete. Connection at this time with the flexible deformation of protrusion 35 can by by the end portion of service portion 37 to connection 32 side of canister portion pressing come into Row, therefore, can easily be done joint portion 3B removing from nozzle holder 2.

In addition, vehicle in cleaning device 1B be equipped with keep nozzle 4 nozzle holder 2, nozzle holder 2 can Handling ground is equipped with joint portion 3B, therefore can reduce portion there is no other components between nozzle holder 2 and joint portion 3B Part number.

In addition, being equipped with the connection protrusion 35 for capableing of flexible deformation in joint portion 3B, pass through the card by connection with protrusion 35 Conjunction portion 37a engages with the connection holding section 8 of nozzle holder 2, so that joint portion 3B is installed to nozzle holder 2.

To which connection carries out the nozzle holder relative to joint portion 3B with protrusion 35 by flexible deformation or elastic recovery Therefore 2 handling can easily be done handling operation of the joint portion 3B relative to nozzle holder 2.

Pipe linking part 31 is formed axial to be the substantially cylindric of up and down direction, and the position near upper end has outside Side flange shape butting section 31a outstanding, the part of the upside of butting section 31a is set as fitting portion 31b.

Pipe linking part 31 is carried out embedding with the lower end of the fitting portion 31b connection canister portion 32 for being inserted into maintaining part connecting member 30 It closes, butting section 31a is resisted against the state of the lower surface of connection canister portion 32, links with maintaining part connecting member 30.

The pipe connecting member 31 of joint portion 3B is linked with the supply pipes such as hose 50.It is fed in supply pipe 50 from not shown Service tank ejected wash water or the fluids such as cleaning solution, the fluid of supply successively passes through maintaining part connecting member from pipe connecting member 31 30 flow to nozzle 4.

It is integrally formed alternatively, it is also possible to be set on hold portion's connecting member 30 and pipe connecting member 31, joint portion 3B is one A component.

Valve body 38 is configured in the inside of maintaining part connecting member 30.Valve body 38 is by capableing of the rubber material etc. of flexible deformation It is formed, is configured at the space between the partition board portion 33 of maintaining part connecting member 30 and pipe connecting member 31.

Valve body 38 includes pressing canister portion 39, is the axial cylindrical shape for up and down direction；1st rake 40, with pressing The lower end of canister portion 39 connects, with going downwards and diameter becomes larger；2nd rake 41 is connect with the upper end of pressing canister portion 39, With going upwards and diameter becomes larger；1st by splenium 42, convex to protrude outward from the end portion of the 1st rake 40 Edge shape；And the 2nd by splenium 43, it is flange shape to be protruded outward from the upper part of the 2nd rake 41.

Valve body 38 is set as flexible deformation capable of occurring to the direction of the diameter change of pressing canister portion 39, for pressing pressure cylinder In the case that the power to the direction for making diameter become smaller that portion 39 applies is bigger than the power to the direction for making diameter become larger, canister portion 39 is pressed It is in close contact with the pressed portion 34b of axle portion 34 (referring to Fig. 8 and Fig. 9).

In the configuration of valve body 38 in the case where the inside of maintaining part connecting member 30, the inside of maintaining part connecting member 30 Space, pressing canister portion 39 downside is set as the 1st flow path 30a, and the upside of pressing canister portion 39 is set as the 2nd flow path 30b.

Force application spring 44 is wound in the pressing canister portion 39 of valve body 38.44 pairs of pressing canister portions 39 of force application spring are to becoming diameter Small direction force, force application spring 44 use the plate-shaped springs for being for example shaped generally as cylindrical shape.

Spacer 45 is configured in the inside of maintaining part connecting member 30.Spacer 45 is formed cylindrical shape, in circumference To opposite side have recirculation hole 45a, 45a.Spacer 45 is with the connection canister portion 32 of outer peripheral surface and maintaining part connecting member 30 Inner peripheral surface be in close contact state configuration, recirculation hole 45a, 45a respectively with connection canister portion 32 air-through holes 32a, 32a couple Together.

By the inside configuration space part 45 in maintaining part connecting member 30, thus the 1st of valve body 38 the by splenium 42 by between The lower surface of spacing body 45 and the upper surface of pipe connecting member 31 are pushed from upper and lower, the 2nd by splenium 43 by the lower surface of partition board portion 33 It is pushed with the upper surface of spacer 45 from up and down direction.

In vehicle as constituted above in cleaning device 1B, Guan Lian is supplied to via supply pipe 50 from service tank in fluid After knot part 31, fluid flows in the 1st flow path 30a of maintaining part connecting member 30, and flows to valve body 38.

Although at this point, recirculation hole of the extraneous gas from air circulation sky 32a, the 32a and spacer 45 for linking canister portion 32 45a, 45a are introduced into the peripheral side of the valve body 38 of the inside of maintaining part connecting member 30, but since fluid flows to valve body 38, The pressure (internal pressure) of 1st flow path 30a becomes bigger than atmospheric pressure.Therefore, the side that the diameter of valve body 38 towards pressing canister portion 39 becomes larger To, overcome force application spring 44 active force occur flexible deformation (0 and Figure 11 referring to Fig.1), pressing canister portion 39 inner peripheral surface with Generate gap between the outer peripheral surface of the pressed portion 34b of axle portion 34, fluid is by the gap from the 1st flow path 30a to the 2nd flow path 30b flowing.

When fluid flows through the 1st flow path 30a and flows to the pressing canister portion 39 of valve body 38, fluid is by the 1st inclination of valve body 38 The inclined surface 40a of the inside in portion 40 is guided, and is flowed in the peripheral side of the pressed portion 34b of axle portion 34.

To, using the 1st rake 40, due to fluid flowing and the pressure (internal pressure) of the 1st flow path 30a that rises is easy Pressing canister portion 39 is acted on, therefore the direction to diameter change of pressing canister portion 39 can be reliably achieved by simple structure Deformation.

The fluid flowed towards the 2nd flow path 30b flows to the discharge space 4a of nozzle 4, from outlet 4b to vehicle lamp The injection of the cleaned materials such as tool cleans cleaned material using the fluid of injection.

If stopping from the supply of the fluid of service tank, the pressure decline of the inside of maintaining part connecting member 30, valve body 38 Elastic recovery occurs with force application spring 44, the pressed portion 34b for pressing canister portion 39 and axle portion 34 is in close contact (reference Fig. 8), from The injection of the fluid of nozzle 4 stops.The close contact of canister portion 39 to pressed portion 34b is pressed except through maintaining part connecting member Caused by the pressure of 30 inside and the difference of atmospheric pressure outside the elastic recovery of valve body 38, additionally it is possible to right by force application spring 44 The active force of canister portion 39 is pressed to carry out.

Like this, it is applied in cleaning device 1B equipped with what the direction to become smaller to pressing canister portion 39 to diameter exerted a force in vehicle Power spring 44.To, make to press canister portion 39 by the pressure of force application spring 44 and axle portion 34 is in close contact, it is reliable when no clean Ground makes to press canister portion 39 and axle portion 34 is in close contact, and can prevent injection of the fluid unexpectedly from nozzle 4, and can be easily Carry out the control of the pressure of the 1st flow path 30a and the 2nd flow path 30b.

On the other hand, in vehicle in cleaning device 1B, there are fluids to remain in each space from nozzle 4 to valve body 38 There is a possibility that fluid of remaining is expanded due to freezing etc. in cold district etc. in situation.If fluid is sent out like this Raw expansion, then the pressure (internal pressure) of the 2nd flow path 30b becomes bigger than atmospheric pressure, and the diameter of valve body 38 towards pressing canister portion 39 becomes larger Direction, overcome force application spring 44 active force occur flexible deformation (referring to Fig.1 1), pressing canister portion 39 inner peripheral surface and axis Generate gap between the outer peripheral surface of the pressed portion 34b in portion 34, fluid is in can be by the gap from the 2nd flow path 30b to the 1st The state of flow path 30a flowing.It is guided at this point, fluid is in by the inclined surface 41a of the inside of the 2nd rake 41 of valve body 38, energy The state of the peripheral side flowing of enough pressed portion 34b in axle portion 34.

When fluid as described above expands, in the inner peripheral surface of pressing canister portion 39 and the pressed portion 34b of axle portion 34 Gap is generated between outer peripheral surface, fluid is in the state that can be flowed from the 2nd flow path 30b to the 1st flow path 30a by the gap, Therefore the pressure of each section of valve body 38 or maintaining part connecting member 30 is reduced, valve body 38 or maintaining part linking part will not occurs The damage or destruction of part 30.

When fluid flows to the pressing canister portion 39 of valve body 38 from the 2nd flow path 30b, fluid is by the 2nd rake 41 of valve body 38 Inside inclined surface 41a guidance, axle portion 34 pressed portion 34b peripheral side flow.

To, using the 2nd rake 41, due to fluid flowing and the pressure (internal pressure) of the 2nd flow path 30b that rises is easy Pressing canister portion 39 is acted on, therefore the direction to diameter change of pressing canister portion 39 can be reliably achieved by simple structure Deformation.

If fluid freezes etc. to release, the pressure decline of the 2nd flow path 30b, then elasticity occurs for valve body 38 and force application spring 44 It replys, is returned to the original state of the pressed portion 34b close contact of pressing canister portion 39 and axle portion 34 (referring to Fig. 8).

Such as above-mentioned record, in vehicle cleaning device 1,1A, 1B, comprising: to the nozzle 4 of cleaned material injection fluid； Inner space is the joint portion 3 of the flow path of fluid, 3A, 3B, is linked with the supply pipe 50 for being fed with fluid；And opening and closing fluid Flow path valve body 18,38, valve body 18,38 is configured at the inside at joint portion 3,3A, 3B.

To which joint portion 3,3A, 3B are linked with supply pipe 50, and are configured with valve body in the inside of joint portion 3,3A, 3B 18,38, therefore, be linked with the component of supply pipe 50 and the component configured with valve body 18,38 be it is shared, can be realized component The simplification of several reduction and structure.

Claims (10)

1. a kind of vehicle cleaning device characterized by comprising

Nozzle sprays fluid to cleaned material；

Nozzle holder keeps the nozzle；

Joint portion, inner space becomes the flow path of fluid, and links with the supply pipe of supply fluid；And

Valve body is opened and closed the flow path,

The valve body is configured at the inside at the joint portion.

2. vehicle cleaning device as described in claim 1, which is characterized in that

Nozzle holder equipped with the holding nozzle,

The joint portion is set as to load and unload relative to the nozzle holder.

3. vehicle cleaning device as claimed in claim 2, which is characterized in that

It is equipped with the pipe linking part of the connection canister portion linked with the nozzle holder and the connection supply pipe at the joint portion,

The axial direction of the connection canister portion and the axial direction of the pipe linking part are set as different directions.

4. vehicle cleaning device as claimed in claim 3, which is characterized in that

The connection protrusion for capableing of flexible deformation is equipped at the joint portion,

By engaging a part of the connection protrusion with the nozzle holder, so that the joint portion is mounted on institute State nozzle holder.

5. vehicle cleaning device according to any one of claims 1 to 4, which is characterized in that

Equipped with force application spring, exert a force to the valve body to the closed direction of flow path, and be located at the inside of the valve body,

The fluid flows in the outside of the valve body.

6. vehicle cleaning device according to any one of claims 1 to 4, which is characterized in that

The flow path is formed with the 1st flow path and the 2nd flow path in the opposite side across the valve body,

The valve body is formed by the material for capableing of flexible deformation, and being capable of pressure according to the 1st flow path or the 2nd flow path Pressure relative to atmospheric pressure size occur flexible deformation.

7. vehicle cleaning device as claimed in claim 6, which is characterized in that the valve body has force application spring, to described Valve body exerts a force to the direction of the nozzle.

8. vehicle cleaning device as claimed in claim 6, which is characterized in that there is closing connection canister portion at the joint portion Lower opening closure, the closure be formed with the valve body and outside air perforation air-through holes.

9. vehicle cleaning device as claimed in claim 6, which is characterized in that the valve body has opening/closing portion, the opening and closing The outer peripheral surface of the upper end in portion is formed as the curved press surface of protrusion upwards.

10. vehicle cleaning device as claimed in claim 6, which is characterized in that the valve body is provided with pressing canister portion, and The 1st rake and the 2nd rake being connect with the axial both ends of the pressing canister portion,

1st rake and the 2nd rake respectively in the axial direction with close to the pressing canister portion and diameter becomes smaller.