CN100436179C - Open-and-close device for air inlet cover for air conditioner for building mechanism - Google Patents
Open-and-close device for air inlet cover for air conditioner for building mechanism Download PDFInfo
- Publication number
- CN100436179C CN100436179C CNB011403071A CN01140307A CN100436179C CN 100436179 C CN100436179 C CN 100436179C CN B011403071 A CNB011403071 A CN B011403071A CN 01140307 A CN01140307 A CN 01140307A CN 100436179 C CN100436179 C CN 100436179C
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- CN
- China
- Prior art keywords
- cab
- cover cap
- introducing port
- air introducing
- driver
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Air-Conditioning For Vehicles (AREA)
- Component Parts Of Construction Machinery (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The present invention relates to an opening-and-closing switch for a fresh air inlet cover of an air conditioner for construction equipment, that is a the opening-and-closing switch for the fresh air inlet cover of the air conditioner for construction equipment, the fresh air inlet 1c, opened to the exterior wall 1b of a cab 1 and letting the fresh air into the air conditioner in the cab, can be covered and opened freely by the fresh air inlet cover 10 having ventilating openings 10a. The invention is characterized in that the fresh air inlet cover 10 is provided on the exterior wall 1b of the cab 1, where the inlet cover is supported so that the fresh air inlet 1c is opened and closed freely, and a connecting stopping means 12 is also provided for stopping the fresh air inlet cover 10 by connecting it in the closed state to the exterior wall 1b of the cab 1. Inside the cab, an operational lever 14a for enabling the release of the connection of the connecting stopping means 12 is provided, by which damage and pilfered can be prevented and a good appearance can be obtained.
Description
Technical field
The present invention relates to a kind of opening and closing device of air introducing port cover cap, specifically relate to cover the opening and closing device of the air introducing port cover cap on the interior environment system air introducing port that is contained in the driver's cab inboard of vehicle for constructions such as hydraulic excavator.
Background technology
When in the vehicle for construction driver's cab, interior environment system being housed, to on the outer wall of driver's cab, offer the air introducing port that is used for importing air to interior environment system, this air introducing port covers with the cover cap that has breather port, generally with bolt this cover cap is fixed on the driver's cab outer wall.
Construction Machines interior environment system air importing air channel with TOHKEMY 9-290624 gazette entry is an example, shown in Fig. 6,7, it is to be opened on driver's locular wall 22 to be connected with air introducing port 23 that air imports air channel 21, and through hole 24 and through hole 26 arranged, bolt hole 28 with the flange 29 of bolt 30 by being located at its periphery is installed on the driver's cab 22.To import the air channel suitable with following air introducing port cover cap of the present invention because of above-mentioned air, hereinafter referred to as air introducing port cover cap.
But, the air introducing port cover cap of above-mentioned TOHKEMY 9-290624 gazette entry, the loading and unloading of its air introducing port cover cap 21 are outside driver's cab, and are that instrument with general frequent use carries out, and the external staff has prepared instrument and also can simply unload air introducing port cover cap 21 down.Therefore, filter of interior environment system etc. or damaged or stolen.Simultaneously, can see the flange 29 of air introducing port cover cap 21 from the outside, and hold-down bolt 30, also diminish the problem of outward appearance.
Summary of the invention
For solving above-mentioned problem in the past, the purpose of this invention is to provide a kind of opening and closing device of construction Machines interior environment system air introducing port cover cap, this device can prevent interior environment system filter etc. damage, lose, and after installing good surface appearance is arranged again.
In order to achieve the above object, the opening and closing device of construction Machines interior environment system air introducing port cover cap of the present invention, on the outside plate of vehicle for construction driver's cab, offered the air introducing port that is connected with the interior environment system air suctiton inlet that is provided with in the driver's cab, cover on the described air introducing port with the air introducing port cover cap that has breather port, it is characterized in that: above-mentioned air introducing port cover cap is arranged on the outside plate of driver's cab with opening and closing flexibly, lockout mechanism also is set, when this lockout mechanism is closed above-mentioned air introducing port at air introducing port cover cap, can be locked in outside plate to air introducing port cover cap and be arranged on the joystick of the mechanism's locking that can unlock in the driver's cab.
By such formation, air introducing port cover cap is arranged on the outside plate, can open and close the air introducing port neatly, removes the joystick that is in the lockout mechanism that makes its locking under the closed condition when air introducing port cover cap and is located at the driver's cab inboard.Therefore,, be under the inaccessiable state of external staff, also just can not open air introducing port cover cap from the driver's cab outside when the door and window of locking driver's cab etc.So the filter that can take precautions against air conditioner unit etc. is damaged and is stolen in possible trouble.Do not have key hole and hold-down bolt on the air introducing port cover cap simultaneously, outward appearance is beautiful.Because need instrument, the operation that opens and closes air introducing port cover cap be without difficulty, but and the short time open and close, road-holding property is good.
In addition, in the opening and closing device of construction Machines interior environment system air introducing port cover cap, also can be installed in above-mentioned joystick near the peristome that driver's cab door and window etc. can stretch out one's hand into from the outside.
Like this, because joystick is installed near the peristome of driver's cab door and window etc., opening door and window can the manipulation bar from the driver's cab outside, also just can open air introducing port cover cap 3 at an easy rate from the driver's cab outside.Therefore, when to maintenances such as the filters of interior environment system, do not enter and can operate in the driver's cab yet, so operability is good in the outside.
Description of drawings
Fig. 1 is contained in the lateral plan of driver's cab for the opening and closing device of air introducing port cover cap of the present invention.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is the B-B cutaway view of Fig. 1.
Fig. 4 is the C-C cutaway view of Fig. 1.
Fig. 5 is the D-D cutaway view of Fig. 1.
Fig. 6 is the front elevation of air introducing port cover cap in the past.
Fig. 7 is the E-E cutaway view of Fig. 6.
The specific embodiment
Below, with reference to accompanying drawing 1～Fig. 5 the embodiment of air introducing port cover cap opening and closing device of the present invention is described.
At first, about the formation summary of present embodiment, describe with reference to the driver's cab lateral plan that air introducing port cover cap opening and closing device is housed shown in Figure 1.
Be located on door 6 the rear side wall portion outside plate 1b of driver's cab 1, offered be located at driver's cab 1 in the air introducing port 1c that is connected of not shown interior environment system air suctiton inlet.On air introducing port 1c, is furnished with the air introducing port cover cap 10 that some breather ports 10a is arranged (to call cover cap 10 in the following text) that can cover on it.Cover cap 10 usefulness hinges 11 can be installed on the outside plate 1b with opening and closing flexibly.With the opposite of hinge 11 installation portions, be provided with locking part, with this locking part cover cap 10 usefulness lockout mechanisms 12 are locked on the outside plate 1b.In the present embodiment, described lockout mechanism 12, usefulness be to make its lockout mechanism with the trend of ejecting with spring, be called lock 12 at this.Lock 12 and near the joystick 14a of door 6 peristomes that is contained in driver's cab 1 inboard link to each other with flexible backguy 13.When rotating joystick 14a, lock 12 is just removed the locking of cover cap 10.
Be formation to be elaborated below with reference to Fig. 2～Fig. 5.
Fig. 2 is the A-A cutaway view of Fig. 1.As shown in the figure, at the rear of door 6 side wall portion, inner panel 1a and outside plate 1b are arranged, the leading section that is connected the air-breathing air channel 2 on the not shown interior environment system is lined with packing ring 3 and is installed on the inner panel 1a.The leading section in air-breathing air channel 2 is provided with a big stage portion 2a of the basic end of ratio internal orifice size, inserts air filter 4 in the inboard in air-breathing air channel 2, withstands on the stage portion 2a, and is fixing with clamping from the outside on the support 5.Support about 5 has two plate 5a, and 5a is provided with two guide plate 1d about on the inner panel 1a, embeds plate 5a between the 1d, 5a, and then support is fixed on the inner panel 1a.
Offer air introducing port 1c on outside plate 1b, its opening will have the abundant size of taking out support 5 and air filter for molten 4 from the outside, and the cover cap 10 that can open and close by hinge 11 is arranged covers.
The B-B cutaway view of Fig. 1 as shown in Figure 3, the end of one page sheet 11a of hinge 11 is contained on the mount pad 10b that is provided with on cover cap 10 inner faces, and another page sheet 11b of hinge 11 is installed on the inner face of outside plate 1b.Between the flexible mutually one page sheet 11a that links together rotationally of hinge 11 and another page sheet 11b, retracing spring 11c is housed.
As shown in Figure 2, cover cap 10 is to be in when latch-release, because of spring 11 is the opening that is in α degree angle to the backspace power of free state.Simultaneously, also set it and can reach maximum β angle (less than 90 degree).In addition, the inner face of cover cap 10 is equipped with bonding part plate 10c with lock, on the plate 1e that the inner face of outside plate 1b is equipped with, the lock 12 that can eject slide block 12a flexibly is housed.The slide block 12a of lock 12 plays locking action on the locking part of plate 10c, under cover cap 10 place's closed conditions, be locked on the outside plate 1b.
Fig. 4 is the c-c cutaway view of Fig. 1.As shown in Figure 4, the slide block 12a of lock 12 is in the trend of outside ejection because of the effect of spring 12b, and the tail end of slide block 12a is connected on the end 13b of heart yearn 13a of flexible backguy 13.Because of joystick 14a rotating operation, the right-hand pulling of an other end in figure of heart yearn 13a, at this moment, the resistance that slide block 12a overcomes spring 12b moves right, and the plate 10c of cover cap 10 throws off with locking.
Fig. 5 is the D-D cutaway view of Fig. 1.Shown in Fig. 2,5, the housing 14b of joystick portion 14 is at the inner face of inner panel 1a, and the peristome adjacency of close door 6 is installed.Joystick 14a is installed in shell 14b and goes up and can rotate flexibly.Joystick 14a front end constitutes operating portion, and the rear end is connected with the other end 13c of the heart yearn 13a of flexible backguy 13.Stop between 14b and the joystick 14a at shell retracing spring 14c is set.
Below, with reference to Fig. 2～Fig. 5, the effect of present embodiment is described
As Fig. 5, when the manoeuvre portion of joystick 14a was upwards operated, the left of other end 13c in figure of the inner core 13a of flexible backguy 13 moved.
Like this, the end 13b of the inner core 13a on Fig. 4 moves right, and slide block 12a is retreated to right-hand, has removed the locking of plate 10c of slide block 12a and cover cap 10.So, shown in Fig. 2,3, cover cap 10 is α degree open position (free position) because of the retracing spring 11e of hinge 11 to the trend power of free state.Then from this state, further open with hand and to cover 10 (maximum can reach the β degree), can carry out pulling down support 5 and air filtration 4 at an easy rate, in air introducing port 1c, take out the maintenance of carrying out filter for molten cleaning, replacing etc. from air-breathing air channel 2.
Maintenance pushes cover cap 10 with hand from above-mentioned free position after finishing.Like this, the inclined-plane 12c of the plate 10c on Fig. 4 upper cover 10 and the slide block 12a of lock 12 collides, and slide block 12a is retreated to right-hand, and the locking part of plate 10c enters into the driver's cab inboard darker than the outstanding position of slide block 12a.At this moment, slide block 12a gets back to extrusion position under the effect of spring 12b elastic force, and cover cap 10 is locked.Under this lock-out state, the plate 10c of cover cap 10 is crushed on the outstanding position of slide block 12a because of the application force of the spring 11e of hinge 11, so cover cap 10 does not rock.
The present embodiment effect is as follows:
But operation is located at the locking that the joystick 14a of unit room 1 inboard can remove cover cap 10, opens it.Therefore under the situation that the door 6 and the sash lock of driver's cab 1 are lived,, the locking of cover cap 10 can not be removed, cover cap 10 can not be opened from driver's cab 1 outside from the outside of driver's cab 1.Therefore, can positively prevent being damaged of air filter for molten 4 grades of cover cap 10 inboards with stolen.Simultaneously, do not appear the key hole and the hold-down bolt that open and close usefulness on the surface of cover cap 10, the outward appearance of driver's cab 1 is beautiful good-looking.In addition, need not open and close the instrument of usefulness, save the time of looking for instrument, serviceable tool.Simultaneously, manipulation bar 14a can open cover cap 10 short time, so workability is good.
And joystick 14a is located near the door 6, the window etc. that resemble driver's cab 1 can stretch out one's hand the peristome that touches from the outside.Therefore the operator can window as opening the door, and does not enter driver's cab 1 manipulation bar 14a outside driver's cab and can open cover cap 10, and operability is very convenient when carrying out the maintenance of air filter for molten 4 grades.If control lever 14a can be located at the operator and stand in the position that can operate on the ground, operability is just very good.
In the above-mentioned present embodiment, the slide block lockout mechanism that constitutes lockout mechanism 12 usefulness is not the mechanism that the present invention limits, and can certainly reach above-mentioned same effect with other lockout mechanism (as the locking of rotational hook etc.).And then the type of drive of lockout mechanism also is not limited only to the foregoing description, for example with garden ring mechanism driving sliding block or hook manipulation bar drive cylinder etc. flexibly driving device to remove the locking of hook or slide block also fine.
As described above, the present invention is the opening and closing device of the air introducing port cover cap of construction Machines interior environment system, remove under air introducing port cover cap closed condition the joystick that locks usefulness because of lockout mechanism and be arranged on the driver's cab inboard, can not open air introducing port cover cap from the fixed outside of driver, so the filter for molten of interior environment system etc. can be not impaired, stolen.The appearance looks elegant of while air introducing port cover cap, appearance is decorated good.
Simultaneously, above-mentioned joystick be arranged on the driver's cab peristome near, also can open air introducing port cover cap at an easy rate by the manipulation bar from the outside of driver's cab, improved the operability of maintenances such as interior environment system air filter for molten.
Claims (2)
1. the opening and closing device of a construction Machines interior environment system air introducing port cover cap, on the outside plate (1b) of vehicle for construction driver's cab (1), offered the air introducing port (1c) that is connected with the interior environment system air suctiton inlet that is provided with in the driver's cab, cover on the described air introducing port (1c) with the air introducing port cover cap (10) that has breather port (10a), it is characterized in that:
Above-mentioned air introducing port cover cap (10) is arranged on the outside plate (1b) of driver's cab (1) flexibly with opening and closing,
Lockout mechanism (12) also is set, when this lockout mechanism (12) is closed above-mentioned air introducing port (1c) at air introducing port cover cap (10), can be locked in air introducing port cover cap (10) on the outside plate (1b); With
Be arranged on the joystick (14a) of mechanism (12) locking that can unlock in the driver's cab (1).
2. the opening and closing device of construction Machines interior environment system air introducing port cover cap according to claim 1 is characterized in that:
Above-mentioned joystick (14a) is arranged near the peristome that can stretch out one's hand into from the outside near the door (6) of driver's cab (1) and window etc.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000384245A JP2002187421A (en) | 2000-12-18 | 2000-12-18 | Opening-and-closing switch for fresh air inlet cover of air conditioner for construction equipment |
| JP384245/2000 | 2000-12-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1359811A CN1359811A (en) | 2002-07-24 |
| CN100436179C true CN100436179C (en) | 2008-11-26 |
Family
ID=18851751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011403071A Expired - Fee Related CN100436179C (en) | 2000-12-18 | 2001-12-05 | Open-and-close device for air inlet cover for air conditioner for building mechanism |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2002187421A (en) |
| CN (1) | CN100436179C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE0300433L (en) * | 2003-02-17 | 2004-08-18 | Volvo Lastvagnar Ab | Storage facility for a vehicle cab |
| JP2006015917A (en) * | 2004-07-02 | 2006-01-19 | Hitachi Constr Mach Co Ltd | Construction machine driving cab, and construction machine |
| JP2008008089A (en) * | 2006-06-30 | 2008-01-17 | Kobelco Contstruction Machinery Ltd | Guard structure of construction machine |
| JP2010132284A (en) * | 2010-02-09 | 2010-06-17 | Hitachi Constr Mach Co Ltd | Construction machine operator cabin, and construction machine |
| JP7351287B2 (en) * | 2020-12-22 | 2023-09-27 | トヨタ自動車株式会社 | vehicle ventilation system |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4658598A (en) * | 1985-05-02 | 1987-04-21 | Aurora Konrad G. Schulz Gmbh & Co. | Apparatus for ventilating and air-conditioning driver compartments |
| JPH06106955A (en) * | 1992-09-30 | 1994-04-19 | Hitachi Constr Mach Co Ltd | Air conditioner for construction machine |
| JPH0930238A (en) * | 1995-07-20 | 1997-02-04 | Hitachi Constr Mach Co Ltd | Internal and outside air switching device for driver's cabin air-conditioning |
| JPH09290624A (en) * | 1996-04-25 | 1997-11-11 | Hitachi Constr Mach Co Ltd | Fresh-air inlet duct of air conditioner for construction machinery |
| JPH10100657A (en) * | 1996-09-30 | 1998-04-21 | Shin Caterpillar Mitsubishi Ltd | Air conditioner in construction machine |
| JPH10100653A (en) * | 1996-09-27 | 1998-04-21 | Isuzu Motors Ltd | Outlet integrally formed resin window |
| JPH10175420A (en) * | 1996-12-19 | 1998-06-30 | Calsonic Corp | Exhaust device of air conditioner for automobile |
| JP2000052742A (en) * | 1998-08-10 | 2000-02-22 | Zexel Corp | Air-conditioning device for construction equipment |
| US6126537A (en) * | 1998-09-28 | 2000-10-03 | Zexel Corporation | Blower unit for air conditioning system for automotive vehicles |
-
2000
- 2000-12-18 JP JP2000384245A patent/JP2002187421A/en active Pending
-
2001
- 2001-12-05 CN CNB011403071A patent/CN100436179C/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4658598A (en) * | 1985-05-02 | 1987-04-21 | Aurora Konrad G. Schulz Gmbh & Co. | Apparatus for ventilating and air-conditioning driver compartments |
| JPH06106955A (en) * | 1992-09-30 | 1994-04-19 | Hitachi Constr Mach Co Ltd | Air conditioner for construction machine |
| JPH0930238A (en) * | 1995-07-20 | 1997-02-04 | Hitachi Constr Mach Co Ltd | Internal and outside air switching device for driver's cabin air-conditioning |
| JPH09290624A (en) * | 1996-04-25 | 1997-11-11 | Hitachi Constr Mach Co Ltd | Fresh-air inlet duct of air conditioner for construction machinery |
| JPH10100653A (en) * | 1996-09-27 | 1998-04-21 | Isuzu Motors Ltd | Outlet integrally formed resin window |
| JPH10100657A (en) * | 1996-09-30 | 1998-04-21 | Shin Caterpillar Mitsubishi Ltd | Air conditioner in construction machine |
| JPH10175420A (en) * | 1996-12-19 | 1998-06-30 | Calsonic Corp | Exhaust device of air conditioner for automobile |
| JP2000052742A (en) * | 1998-08-10 | 2000-02-22 | Zexel Corp | Air-conditioning device for construction equipment |
| US6126537A (en) * | 1998-09-28 | 2000-10-03 | Zexel Corporation | Blower unit for air conditioning system for automotive vehicles |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2002187421A (en) | 2002-07-02 |
| CN1359811A (en) | 2002-07-24 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081126 Termination date: 20181205 |