CN105735812A - Fire engine carriage door - Google Patents
Fire engine carriage door Download PDFInfo
- Publication number
- CN105735812A CN105735812A CN201610198823.9A CN201610198823A CN105735812A CN 105735812 A CN105735812 A CN 105735812A CN 201610198823 A CN201610198823 A CN 201610198823A CN 105735812 A CN105735812 A CN 105735812A
- Authority
- CN
- China
- Prior art keywords
- door
- tilt
- fold
- fire fighting
- fighting truck
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
- E05F1/02—Closers or openers for wings, not otherwise provided for in this subclass gravity-actuated, e.g. by use of counterweights
- E05F1/04—Closers or openers for wings, not otherwise provided for in this subclass gravity-actuated, e.g. by use of counterweights for wings which lift during movement, operated by their own weight
- E05F1/06—Mechanisms in the shape of hinges or pivots, operated by the weight of the wing
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C27/00—Fire-fighting land vehicles
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B83/00—Vehicle locks specially adapted for particular types of wing or vehicle
- E05B83/36—Locks for passenger or like doors
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention relates to the technical field of fire engine parts, in particular to a fire engine carriage door. The fire engine carriage door comprises an upper turning door, a lower turning door, and a chain transmission mechanism for transferring gravity between the upper turning door and the lower turning door; and when one of the upper turning door and the lower turning door is overturned, the gravity, transferred by the chain transmission mechanism, drives the other one to realize overturning so as to realize opening or closing of the carriage door. The opening and the closing of the carriage door are realized by using slide of the mechanical chain transmission mechanism and a hinge assembly, and the whole process operation is more convenient, labor-saved and low in fault rate, so that the problem of high fault rate due to use of a hydraulic or pneumatic transmission structure in the prior art is solved, the fast taking of rescue devices by firefighters is more convenient, and the quick rescue demands are realized.
Description
Technical field
The present invention relates to fire fighting truck component technology field, be specifically related to a kind of fire fighting truck cabinet door.
Background technology
Fire fighting truck field rescue needs fireman to pick and place fire-fighting equipment quickly and easily, and fire-fighting equipment is located in inside fire fighting truck casing, and it is fully open that this is accomplished by when fire-fighting vehicle one is reached the spot depositing the disappear casing of equipment of fire-fighting, makes fireman very clear.And to solve this problem, it is necessary to a kind of opening angle of design is big, area big and opens convenient cabinet door.Traditional fire fighting truck adopts rolling screen door mostly, and rolling screen door is due to the restriction of himself structure, it is impossible to accomplish that large area is opened again conveniently, and for this, people design a kind of panel door, and when making to open, casing is in full open position.
In prior art, panel door adopts hydraulic pressure or pneumatic as power source mostly, it has the drawback that, leakage of oil or gas leakage and power source machinery failure and other reasons is easily there is owing to controlling valve, pipeline, cause that cabinet door cannot be normally-open, its rate of breakdown is high, thus stopping over the rescue time that fireman is valuable, and then seriously causes the loss of life and property；On the other hand, panel door structure is complex, complex operation, it is difficult to accomplish to open quickly and easily.
Summary of the invention
There is above-mentioned technical problem for prior art, the present invention provides the fire fighting truck cabinet door of a kind of simple in construction, easy to operate, laborsaving and failure rate is low.
For achieving the above object, the present invention provides techniques below scheme:
A kind of fire fighting truck cabinet door is provided, including:
Tilt-up door, its upper end is slidably connected to the top of casing by hinge assembly, and can rotate up certain angle around jointed shaft；
Fold-down door, its lower end is articulated with the bottom of casing；
Chain drive, for the weight transfer between tilt-up door and fold-down door, it is arranged at the sidewall of casing, and one end of chain drive is connected with tilt-up door, and the other end of chain drive is connected with fold-down door；When one overturn in both fold-down door or tilt-up door, the gravity transmitted by chain drive drives another to realize upset, and then realizes being turned on and off of cabinet door.
Wherein, described chain drive includes being arranged at, along particular track, chain and the rotating lever that the gear train of wall box engages with described gear train, described rotating lever includes the first rotating arm and the second turning arm that are connected and have certain angle by fulcrum, one end of described second turning arm and the sidewall pivot joint of casing, the other end of described second turning arm is fixing with described tilt-up door to be connected, one end of described first rotating arm is fixing with one end of described chain to be connected, and the other end of described chain is connected with described fold-down door.
Wherein, the angle between described first rotating arm and described second turning arm is set to 15 ~ 25 degree.
Wherein, described chain drive also includes screw rod and the adjusting lever being spirally connected with described screw rod, and one end of described chain is connected with described adjusting lever, and described screw rod is fixing with described fold-down door to be connected.
Wherein, described chain drive also includes chain snap close, and one end of described screw rod connection fold-down door links with described chain lock and connects, and described chain snap close is connected by fold-down door connecting plate and described fold-down door are fixing.
Wherein, described hinge assembly includes hinge, cursor and chute, one end of described cursor and described chain connection, and the other end of described cursor is movably connected on described chute, described hinge is fixing with the upper end of described tilt-up door to be connected, and described chute is fixed on the top of casing.
Wherein, described tilt-up door is set to 15 ~ 20 degree around the angle that jointed shaft rotates up.
Wherein, described tilt-up door and described fold-down door all include framework and panel, and described framework is fixing with described panel to be connected.
Wherein, fire fighting truck cabinet door also includes pedal, and described pedal is hinged with described fold-down door.
Wherein, fire fighting truck cabinet door also includes for the lock assembly by described tilt-up door with the locking of described fold-down door, described lock assembly includes horizontally disposed locking bar, is fixed on the limit base of two sidewalls of casing and is arranged at the lock body of described locking bar, and the two ends of described locking bar fasten with corresponding described limit base respectively.
Beneficial effects of the present invention:
A kind of fire fighting truck cabinet door of the present invention, including tilt-up door, fold-down door and the chain drive for the weight transfer between tilt-up door and fold-down door, when one overturn in both fold-down door or tilt-up door, the gravity transmitted by chain drive drives another to realize upset, and then realizes being turned on and off of cabinet door.When opening cabinet door, both hands downwardly turn over fold-down door and fully open to 180 degree, the power of upset fold-down door is transferred to tilt-up door plus fold-down door self gravitation by chain drive, thus first driving tilt-up door to rotate up certain angle around jointed shaft, namely by what hinge assembly realized limited angular, tilt-up door rotates up that (this angle advantageously forms turning moment, make the quick and laborsaving clean pull from floor of tilt-up door without being damaged), then tilt-up door is fully opened to tilt-up door along casing top slide by hinge assembly, and now cabinet door fully opens；When closing cabinet door; both hands downwardly turn over tilt-up door; tilt-up door is made to slide into Guan Bi along the return track at casing top; the power overturning tilt-up door in this process is transferred to fold-down door plus tilt-up door self gravitation by chain drive; thus driving fold-down door to overturn to initial closed state, now cabinet door completely closes.Compared with prior art, the present invention adopts the slip of mechanical chain drive and hinge assembly jointly to realize the opening and closing of cabinet door, and whole process operation is very convenient, laborsaving, and namely a people can be easily accomplished；On the other hand, the present invention adopts mechanical transmission structure, and its structure is simpler, failure rate is low, has both solved the problem that prior art adopts the high fault rate of hydraulic pressure or Pneumatic Transmission structure, it is very easy to again fireman quickly to take Rescue Kits, it is achieved the needs of Quick rescue.The composite can be widely applied to load all kinds of special purpose vehicle such as the Appliance carrying fire vehicle of a large amount of equipment and propaganda fire vehicle, supply fire fighting truck, emergency rescue fire vehicle, chemical aid fire fighting truck, decontamination fire fighting truck.
Accompanying drawing explanation
Fig. 1 be a kind of fire fighting truck cabinet door of the present invention of completely closed time use view.
Fig. 2 is a kind of fire fighting truck cabinet door of present invention use view when fully opening.
Fig. 3 is the structural representation of the chain drive of a kind of fire fighting truck cabinet door of the present invention.
Fig. 4 is the structural representation of the rotating lever of the chain drive of a kind of fire fighting truck cabinet door of the present invention.
Fig. 5 is the structural representation of another angle of the rotating lever of the chain drive of a kind of fire fighting truck cabinet door of the present invention.
Fig. 6 is the structural representation of the first angle of the hinge assembly of a kind of fire fighting truck cabinet door of the present invention.
Fig. 7 is the structural representation of the second angle of the hinge assembly of a kind of fire fighting truck cabinet door of the present invention.
Fig. 8 is the structural representation of the lock assembly of a kind of fire fighting truck cabinet door of the present invention.
Fig. 9 is the partial enlargement structural representation at A place in Fig. 8.
Accompanying drawing labelling:
Tilt-up door 1；
Fold-down door 2；
Chain drive 3, gear train 31, chain 32, rotating lever 33, first rotating arm the 331, second turning arm 332, screw rod 34, adjusting lever 35, snap close 36；
Hinge assembly 4, hinge 41, jointed shaft 411, cursor 42, chute 43, bearing 44；
Pedal 5；
Lock assembly 6, locking bar 61, limit base 62, lock body 63；
Casing 100.
Detailed description of the invention
Below in conjunction with specific embodiment and accompanying drawing, the present invention is described in detail.
A kind of fire fighting truck cabinet door of the present embodiment, as depicted in figs. 1 and 2, including tilt-up door 1, fold-down door 2 and the chain drive 3 that mutually transmits for the gravity between tilt-up door 1 and fold-down door 2.The upper end of tilt-up door 1 is slidably connected to the top of casing 100 by hinge assembly 4, and can rotate up certain angle around jointed shaft 411, and the lower end of fold-down door 2 is articulated with the bottom of casing 100.Tilt-up door 1 and fold-down door 2 all include framework and panel, and framework is fixing with panel bonding.Framework adopts aluminum alloy frame, and panel adopts aluminium sheet, has intensity advantage high, lightweight, corrosion resistant.
As shown in Figures 3 to 5, chain drive 3 includes being arranged at, along particular track, chain 32 and the rotating lever 33 that the gear train 31 of casing 100 sidewall engages with gear train 31, first rotating arm 331 and the second turning arm 332(that rotating lever 33 includes being connected and have certain angle by fulcrum are shown in Fig. 4 and Fig. 5), one end of second turning arm 332 and the sidewall pivot joint of casing 100, the other end of the second turning arm 332 is fixing with tilt-up door 1 to be connected, one end of first rotating arm 331 is fixing with one end of chain 32 to be connected, and the other end of chain 32 is connected with fold-down door 2.Angle between first rotating arm 331 and the second turning arm 332 is set to 15 ~ 25 degree, it is preferable that be set to 20 degree, and this angle makes the leverage produced between first rotating arm 331 and the second turning arm 332 the most laborsaving.
As shown in Figure 6 and Figure 7, hinge assembly 4 includes hinge 41, cursor 42 and chute 43, hinge 41 is fixing with the upper end of tilt-up door 1 to be connected, chute 43 is fixed on the top of casing 100, one end of cursor 42 is connected with hinge 41, the other end of cursor 42 is flexibly connected with chute 43 by bearing 44, and bearing 44 slides in chute 43, and cursor 42 can rotate around bearing 44 thus realizing being flipped up of tilt-up door 1.Pre-set hinge 41 and can rotate up the angle of (namely tilt-up door 1 rotates up around jointed shaft 411) around jointed shaft 411, when tilt-up door 1 is opened, second turning arm 332 first drives tilt-up door 1 to be rotated upwardly to certain angle around jointed shaft 411, this angle advantageously forms turning moment, make tilt-up door 1 smoothly on turn over without being damaged；Then tilt-up door 1 is slided in chute 43 by the bearing 44 of cursor 42, realizes fully opening of tilt-up door 1 gradually.
In the present embodiment, tilt-up door 1 is set to 15 ~ 20 degree around the angle that jointed shaft 411 rotates up, and as preferred embodiment, this angle is set to 19 degree.Inventor calculates and verification experimental verification through substantial amounts of data, when tilt-up door 1 is set to 19 degree around the angle that jointed shaft 411 rotates up, the turning moment that this angle is formed is best, it is possible to realizes when tilt-up door 1 is opened the most laborsaving the quickest, and is damaged from tilt-up door 1.If angle is less than 15 degree or more than 20 degree, then comparatively requiring great effort during upset tilt-up door 1, and angle is more little when being closer to 0, more be difficult to stir tilt-up door 1, even can fracture cursor 42, and tilt-up door 1 is effectively caused damage.
In the present embodiment, as it is shown on figure 3, chain drive 3 also includes screw rod 34 and the adjusting lever 35 being spirally connected with screw rod 34, one end of chain 32 is connected with adjusting lever 35, and screw rod 34 is fixing with fold-down door 2 to be connected.Relative position by adjusting screw rod 34 and adjusting lever 35, it is possible to regulate the length of chain 32 as required.
Chain drive 3 also includes chain snap close 36, and screw rod 34 connects one end of fold-down door 2 and is connected with chain snap close 36, and chain snap close 36 is connected by fold-down door connecting plate is fixing with fold-down door 2, is connected thus realizing screw rod 34 with the fixing of fold-down door 2.The junction of fold-down door connecting plate and chain snap close 36 is additionally provided with reinforcement plate, to strengthen its stable connection further.
In the present embodiment, as in figure 2 it is shown, fire fighting truck cabinet door also includes pedal 5, pedal 5 is hinged with fold-down door 2.Some casing 100 is higher or is provided with multilamellar, and pedal 5 is trampled for fireman and is easy to fire-fighting equipment of taking.When not using, pedal 5 is placed in the inner surface of fold-down door 2 and setting in parallel, during use, is turned over by pedal 5 and turn 90 degrees and make pedal 5 become level with ground by hinge is spacing, pedal 5 height overhead is set to 45 ~ 55m, to facilitate the upper and lower pedal 5 of fire fighter to take fire-fighting equipment.Pedal 5 is welded by after aluminium sheet bending and molding, the advantage with processing lightweight, easy.
In the present embodiment, as shown in Figure 8 and Figure 9, fire fighting truck cabinet door also includes the lock assembly 6 for tilt-up door 1 and fold-down door 2 being locked, lock assembly 6 includes horizontally disposed locking bar 61, is fixed on the limit base 62 of 100 two sidewalls of casing and is arranged at the lock body 63 of locking bar 61, and the two ends of locking bar 61 fasten with corresponding limit base 62 respectively.
The present invention adopts the slip of the transmission of mechanical chain 32 and lever principle design and hinge assembly 4 jointly to realize the opening and closing of cabinet door, and its operation principle is as follows:
nullWhen opening cabinet door，Both hands downwardly turn over fold-down door 2180 degree to fully opening，Now，The power of upset fold-down door 2 is transferred to tilt-up door 1 plus the gravity of fold-down door 2 self each through chain drive 3: the process that fold-down door 2 downwardly turns over drives chain 32 to move down along the particular track of gear train 31，So that the other end of chain 32 drives first rotating arm 331 to be rotated up，Pass through lever principle，First rotating arm 331 drives the second turning arm 332 to be rotated up around drive-connecting shaft，And then make the second turning arm 332 drive tilt-up door 1 to be first rotated upwardly to 15 ~ 20 degree of (turning moments that this angle is formed around jointed shaft 411，Tilt-up door 1 is made quickly and effortlessly to realize turning over without being damaged)，Then tilt-up door 1 slides into tilt-up door 1 rotationally in chute 43 by cursor 42 and fully opens，Now cabinet door fully opens；When closing cabinet door, both hands downwardly turn over tilt-up door 1, tilt-up door 1 is made to slide into Guan Bi along the return track at casing 100 top, the power overturning tilt-up door 1 in this process is transferred to fold-down door 2 plus tilt-up door 1 self gravitation by chain drive 3: the process that tilt-up door 1 downwardly turns over, the second turning arm 332 is driven to rotate down around drive-connecting shaft, pass through lever principle, second turning arm 332 drives first rotating arm 331 to be rotated down, thus driving chain 32 entirety to move up, the power transmitted by chain 32 drives fold-down door 2 to overturn to initial closed state, now cabinet door completely closes.
The present invention adopts the slip of mechanical chain drive 3 and hinge assembly 4 jointly to realize the opening and closing of cabinet door, its simple in construction, rapid operation are convenient, namely one people can be easily accomplished, and fault rate is very low, only need to add butter termly to lubricate, both solved the problem that prior art adopts the high fault rate of hydraulic pressure or Pneumatic Transmission structure, and be very easy to again fireman and quickly take Rescue Kits, it is achieved the needs of Quick rescue.The composite can be widely applied to load all kinds of special purpose vehicle such as the Appliance carrying fire vehicle of a large amount of equipment and propaganda fire vehicle, supply fire fighting truck, emergency rescue fire vehicle, chemical aid fire fighting truck, decontamination fire fighting truck.
Finally should be noted that; above example is only in order to illustrate technical scheme; but not limiting the scope of the invention; although having made to explain to the present invention with reference to preferred embodiment; it will be understood by those within the art that; technical scheme can be modified or equivalent replacement, without deviating from the spirit and scope of technical solution of the present invention.
Claims (10)
1. a fire fighting truck cabinet door, it is characterised in that: including: tilt-up door, its upper end is slidably connected to the top of casing by hinge assembly, and can rotate up certain angle around jointed shaft；
Fold-down door, its lower end is articulated with the bottom of casing；
Chain drive, for the weight transfer between tilt-up door and fold-down door, it is arranged at the sidewall of casing, and one end of chain drive is connected with tilt-up door, and the other end of chain drive is connected with fold-down door；When one overturn in both fold-down door or tilt-up door, the gravity transmitted by chain drive drives another to realize upset, and then realizes being turned on and off of cabinet door.
2. a kind of fire fighting truck cabinet door according to claim 1, it is characterized in that: described chain drive includes being arranged at the gear train of wall box along particular track, the chain engaged with described gear train and rotating lever, described rotating lever includes the first rotating arm and the second turning arm that are connected and have certain angle by fulcrum, one end of described second turning arm and the sidewall pivot joint of casing, the other end of described second turning arm is fixing with described tilt-up door to be connected, one end of described first rotating arm is fixing with one end of described chain to be connected, the other end of described chain is connected with described fold-down door.
3. a kind of fire fighting truck cabinet door according to claim 2, it is characterised in that: the angle between described first rotating arm and described second turning arm is set to 15 ~ 25 degree.
4. a kind of fire fighting truck cabinet door according to claim 2, it is characterised in that: described chain drive also includes screw rod and the adjusting lever being spirally connected with described screw rod, and one end of described chain is connected by described screw rod and described fold-down door are fixing.
5. a kind of fire fighting truck cabinet door according to claim 2, it is characterized in that: described chain drive also includes screw rod and the adjusting lever being spirally connected with described screw rod, one end of described chain is connected with described adjusting lever, and described screw rod is fixing with described fold-down door to be connected.
6. a kind of fire fighting truck cabinet door according to claim 1, it is characterized in that: described hinge assembly includes hinge, cursor and chute, one end of described cursor and described chain connection, the other end of described cursor is movably connected on described chute, described hinge is fixing with the upper end of described tilt-up door to be connected, and described chute is fixed on the top of casing.
7. a kind of fire fighting truck cabinet door according to claim 6, it is characterised in that: described tilt-up door is set to 15 ~ 20 degree around the angle that jointed shaft rotates up.
8. a kind of fire fighting truck cabinet door according to claim 1, it is characterised in that: described tilt-up door and described fold-down door all include framework and panel, and described framework is fixing with described panel to be connected.
9. a kind of fire fighting truck cabinet door according to claim 1, it is characterised in that: fire fighting truck cabinet door also includes pedal, and described pedal is hinged with described fold-down door.
10. a kind of fire fighting truck cabinet door according to claim 1, it is characterized in that: fire fighting truck cabinet door also includes the lock assembly for locking tilt-up door and fold-down door, described lock assembly includes horizontally disposed locking bar, is fixed on the limit base of two sidewalls of casing and is arranged at the lock body of described locking bar, and the two ends of described locking bar fasten with corresponding described limit base respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610198823.9A CN105735812B (en) | 2016-04-01 | 2016-04-01 | A kind of fire fighting truck cabinet door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610198823.9A CN105735812B (en) | 2016-04-01 | 2016-04-01 | A kind of fire fighting truck cabinet door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105735812A true CN105735812A (en) | 2016-07-06 |
| CN105735812B CN105735812B (en) | 2018-01-30 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610198823.9A Active CN105735812B (en) | 2016-04-01 | 2016-04-01 | A kind of fire fighting truck cabinet door |
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| CN (1) | CN105735812B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105999596A (en) * | 2016-07-11 | 2016-10-12 | 牡丹江森田特种车辆改装有限责任公司 | Multifunctional equipment fire fighting truck |
| KR101740512B1 (en) | 2016-08-05 | 2017-06-19 | (주)케이디 엔지니어링 건축사사무소 | Interlayer fire structure of apartment |
| CN107139804A (en) * | 2017-05-31 | 2017-09-08 | 四川新筑通工汽车有限公司 | A kind of loading space supporting side door arm configuration for van-type logistic car |
| CN107160982A (en) * | 2017-05-31 | 2017-09-15 | 四川新筑通工汽车有限公司 | A kind of upper lower open-type wing enabling loading space for van-type logistic car |
| CN110107185A (en) * | 2019-04-29 | 2019-08-09 | 广东永强奥林宝国际消防汽车有限公司 | A kind of safety and aperture are turned on one's side door up to 90 degree of fire fighting truck |
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| CN205617972U (en) * | 2016-04-01 | 2016-10-05 | 广东永强奥林宝国际消防汽车有限公司 | Fire engine box door |
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| CN101438022A (en) * | 2006-05-12 | 2009-05-20 | 霍尔兹系统股份公司 | Hanging cabinet with overturning doors |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105999596A (en) * | 2016-07-11 | 2016-10-12 | 牡丹江森田特种车辆改装有限责任公司 | Multifunctional equipment fire fighting truck |
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| KR101740512B1 (en) | 2016-08-05 | 2017-06-19 | (주)케이디 엔지니어링 건축사사무소 | Interlayer fire structure of apartment |
| CN107139804A (en) * | 2017-05-31 | 2017-09-08 | 四川新筑通工汽车有限公司 | A kind of loading space supporting side door arm configuration for van-type logistic car |
| CN107160982A (en) * | 2017-05-31 | 2017-09-15 | 四川新筑通工汽车有限公司 | A kind of upper lower open-type wing enabling loading space for van-type logistic car |
| CN107139804B (en) * | 2017-05-31 | 2023-03-21 | 四川新筑通工汽车有限公司 | Cargo compartment side door supporting arm structure for compartment type logistics vehicle |
| CN107160982B (en) * | 2017-05-31 | 2023-04-11 | 四川新筑通工汽车有限公司 | A upper and lower open-type wing door cargo compartment for van-type commodity circulation car |
| CN110107185A (en) * | 2019-04-29 | 2019-08-09 | 广东永强奥林宝国际消防汽车有限公司 | A kind of safety and aperture are turned on one's side door up to 90 degree of fire fighting truck |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105735812B (en) | 2018-01-30 |
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