CN201923231U - Turnover locking structure for driving cab - Google Patents
Turnover locking structure for driving cab Download PDFInfo
- Publication number
- CN201923231U CN201923231U CN2010206981982U CN201020698198U CN201923231U CN 201923231 U CN201923231 U CN 201923231U CN 2010206981982 U CN2010206981982 U CN 2010206981982U CN 201020698198 U CN201020698198 U CN 201020698198U CN 201923231 U CN201923231 U CN 201923231U
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- CN
- China
- Prior art keywords
- lock
- latch hook
- lock body
- liner plate
- oil cylinder
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a turnover locking structure for a driving cab. The turnover locking structure is characterized by comprising a lock body, a lock claw and a lock hook arranged in the lock body, and an oil cylinder with a piston rod, wherein one end of a lock claw connecting plate is connected with the lower part of the piston rod; the other end of the lock claw connecting plate is connected with the lower part of the lock claw and is hinged on the lock body; two lock tongues matched with each other are arranged on the upper part of the lock claw and the upper part of the lock hook respectively; the lower part of the lock hook is hinged with the lock body; furthermore, one side of the lock hook is connected with the lock body by a pulling spring; a lock bolt trough is arranged at the center of the upper part of the lock body; and the lock bolt trough is internally provided with a lock bolt. Compared with the prior art, the turnover locking mechanism has the advantages that the oil cylinder is used as the power, the safety and reliability are high and the operation is more convenient; the piston rod can reciprocate to realize the engagement or disconnection of the lock claw and the lock hook; and the whole locking device has simple and compact structure and smaller volume.
Description
Technical field
The utility model relates to a kind of latching device, is specifically related to a kind of latching device of convertible automobile driving cabin.
Background technology
The operator's compartment of early stage truck is to be fixed on the chassis basically, and engine installation is on the chassis of under-cab, generally by square hole is set with convenient daily attention and repairing to driving engine on the chassis.Maintenance man need pierce at the bottom of the car and the square hole opened on the chassis is safeguarded, repaired driving engine, and service clearance is less, and this has strengthened the operation easier of maintenance man and dangerous again.Can't in the finite space at the bottom of the car, carry out in some operation under the special situation,, have to headstock is unloaded for striving for bigger service clearance, not only time-consuming but also require great effort.At this defective, people have invented upset, the Locking Device of various operator'ies compartment, such as mode by lock clasp comparatively simply being arranged with cab anchorage, promptly insert firmly on the car body fixed support with the bearing pin in the upset control mechanism, locking driver's cab turnover lever, extracting bearing pin is turning operator's compartment, though but this locking device structure is simple, but safety factor is very low, and the fixing not firm turning operation handle that easily causes of bearing pin is out of control in the vehicle ' process, influences traffic safety.And for example the patent No. is that the Chinese utility model patent of ZL200520074775.X (Granted publication number for CN2823086Y) discloses a kind of automobile driving cabin overturning, Locking Device, it utilizes four connecting rod principles, by long and short pull bar, the latch hook and the lock pin on the support of catch gear are broken away from, under the effect of elevate a turnable ladder force of inertia, strut mechanism can open automatically, with operator's compartment jack-up, and have the hold-down arm in the switching mechanism that the bottom of operator's compartment is held, thereby realize the purpose of driver's cab turnover.This device solved driver's cab turnover well, prop up the technical matterss such as locking after falling with operator's compartment, but its volume is bigger, and structure is comparatively complicated, and operating process is also comparatively loaded down with trivial details.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of driver's cab turnover locking mechanism easy and simple to handle simple in structure at above-mentioned prior art.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: this driver's cab turnover locking mechanism, it is characterized in that comprising lock body, be located at the oil cylinder that interior lock pawl of lock body and latch hook and have piston rod, one end of one lock pawl connecting panel links to each other with the bottom of aforesaid piston rod, the other end links to each other with the bottom of aforementioned lock pawl and is articulated on the aforesaid lock body, the top of described lock pawl and the top of latch hook form the dead bolt that cooperatively interacts, the bottom of described latch hook is hinged with aforesaid lock body and a side of latch hook links to each other with lock body by an extension spring, be provided with set bar groove in the middle of the described lock body top, be provided with a locking bolt in the described set bar groove.Like this, at in-oil cylinder crank motion, can realize locking interlock or disengagement between pawl and the latch hook, realize the upset of operator's compartment with this by piston rod.
Further, first clamping plate and second clamping plate of being located at second liner plate outside that described lock body comprises first liner plate and second liner plate and is located at described first liner plate outside, described first clamping plate link to each other by the clamping plate attaching parts with second clamping plate, described lock pawl is articulated between described first liner plate and second liner plate by lock pawl attaching parts, and described latch hook is articulated between described first liner plate and second liner plate by the latch hook attaching parts.Preferably, described clamping plate attaching parts is the clamping plate rivet, and described lock pawl attaching parts is lock pawl rivet, and described latch hook attaching parts is the latch hook rivet.Like this, lock pawl and latch hook just can rotate around the riveting point in lock body, correspondingly drive lock pawl dead bolt and latch hook dead bolt and rotate, and realize the interlock or the disengagement of lock pawl and latch hook.
When piston rod moved down, for accelerating the speed that lock pawl and latch hook are thrown off, an end of described extension spring was fixed in the bottom of latch hook one side, and the other end of extension spring is fixed in the lower end of second liner plate.Pulling force by extension spring can spur latch hook acceleration rotation.
Further, the inside of described oil cylinder is provided with the retracing spring that is placed on the described piston rod, and this retracing spring comprises inner spring and outer spring.When piston rod resetted, stressed more even when the structure of this dual spring resets piston rod, during installation, the elastic force value also was more prone to adjust.
Further, a side of described oil cylinder is provided with the passage that communicates with cylinder cavity, and a bleed plug screw is installed on this passage.The bleed plug screw plays the effect of safety relief.
Further, on the oil cylinder sidewall of the relative side of described bleed plug screw, form and be maintained fixed the bonded assembly lug, the connecting portion that lug is captiveed joint with lock body as oil cylinder with described lock body.
Compared with prior art, advantage of the present utility model is: adopt oil cylinder as power, the safe reliability height, operate more convenient, the piston rod crank motion can realize locking the interlock or the disengagement of pawl and latch hook, whole latching device simple and compact for structure, and volume is less.
Description of drawings
Fig. 1 is the structural representation of embodiment;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the birds-eye view of Fig. 1;
Fig. 1 that Fig. 4 is removes the structural representation behind the oil cylinder;
Fig. 5 is the birds-eye view of Fig. 4;
Fig. 6 is the part sectional view of oil cylinder;
Fig. 7 is the structural representation of latch hook;
Fig. 8 is the structural representation of lock pawl;
Fig. 9 is the structural representation of lock pawl connecting panel.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
As shown in Figure 1 to Figure 3, present embodiment comprises oil cylinder 1, lock body 2 and is located at the lock pawl 3 of lock body 2 and part such as latch hook 4, the leading section of one end of lock pawl connecting panel 5 and the piston rod 6 of oil cylinder 1 is hinged, the other end is hinged by a lock pawl rivet 7 with the bottom of lock pawl 3, and the two ends of lock pawl rivet 7 are separately fixed on first liner plate 21 and second liner plate 22 of lock body 2, like this, piston rod 6 and the transmission of locking between the pawl 3 have just been realized by lock pawl connecting panel 5.Wherein the concrete structure of oil cylinder 1 is with retracing spring as shown in Figure 6 on the piston rod 6 of oil cylinder 1, and this retracing spring comprises inner spring 8 and outer spring 9, adopts the Bringing-back mechanism of this dual spring, stressed more even in the time of can making piston rod 6 retraction.The front end face of oil cylinder 1 is provided with sealing and dustproof circle 10, enters oil cylinder 1 inside to prevent impurity such as dust, has influence on the work efficiency of oil cylinder 1.One side of oil cylinder 1 is provided with the passage that communicates with oil cylinder 1 inner chamber, and bleed plug screw 11 is installed on the passage, and bleed plug screw 11 plays the effect of safety relief.Fixing and locking power＞the 2700kg of present embodiment, lock holding capacity＞10kg, lock crack force 15 ± 3kg/cm
2, under the maximum 10MPa pressure of oil cylinder, no leak, and under the oil cylinder event of overload, bleed plug screw 11 can separate automatically, lock shaft Φ 25mm.Be provided with a pair of lug 12 with oil cylinder 1 sidewall of bleed plug screw 11 relative sides, be used for being connected with lock body 2, concrete connection mode is referring to shown in Figure 1, and oil cylinder 1 is to be fixed together by oil cylinder rivet plug screw 13 with lock body 2.
As shown in Figure 4 and Figure 5, first clamping plate 23 and second clamping plate 24 of being located at second liner plate, 22 outsides that lock body 2 comprises first liner plate 21 and second liner plate 22 and is located at first liner plate, 21 outsides, first clamping plate 23 and second clamping plate 24 are fixed together by clamping plate rivet 14, and latch hook 4 is articulated in first liner plate 21 and second liner plate 22 by latch hook rivet 15.As seen, reserved the installing space that lock pawl 3 and latch hook 4 are installed between first clamping plate 23 and second clamping plate 24, like this, lock pawl 3 just can rotate around riveting point separately in lock body 2 with latch hook 4.In addition, also be provided with an extension spring 16 in lock body 2, wherein an end of extension spring 16 is fixed on the bottom of latch hook 4 one sides, and the other end of extension spring 16 is fixed on the lower end of second liner plate 22, latching device is in releasing process, and the pulling force of extension spring 16 can spur latch hook 4 and quicken to rotate.The lock pawl dead bolt 31 on the top of lock pawl 3 matches with the latch hook dead bolt 41 on latch hook 4 tops, along with lock pawl 3 and latch hook 4 rotate around riveting point separately, can realize mutual interlock or disengagement mutually.Offer U-shape lock croze 18 in the middle of the top of first liner plate 21 and second liner plate 22 and first clamping plate 23 and second clamping plate 24, be provided with locking bolt 19 in the U-shape lock croze 18, when latching device is assembled on the automobile, a locking bolt support (not shown) also is installed in addition, wherein the bottom of locking bolt support links to each other with locking bolt 19, and top then with behind the auto body links to each other.
Extremely shown in Figure 9 as Fig. 7, provided lock pawl 3, the structural representation of latch hook 4 and lock pawl connecting panel 5, lock pawl 3 tops are provided with lock pawl dead bolt 31, latch hook 4 tops are provided with and lock the latch hook dead bolt 41 that pawl dead bolt 31 cooperatively interacts, lock pawl 3 bottoms are provided with lock pawl mounting hole 32, latch hook 4 bottoms are provided with latch hook mounting hole 42, two mounting holes 51 and mounting hole 52 about 5 of lock pawl connecting panels are provided with, in conjunction with shown in Figure 6, the mounting hole 61 of wherein left mounting hole 51 fitting piston bars 6 front ends uses, right mounting hole 52 cooperates lock pawl mounting holes 32 to use, and can realize piston rod 6 and the transmission of locking between the pawl 3 by lock pawl connecting panel 5.
The principle of work of present embodiment is as follows:
In the time of need be with driver's cab turnover, when oil cylinder 1 produces oil pressure by oil pump, promote piston rod 6 and move down, thereby the rearward end that drives lock pawl connecting panel 5 is rotated in the counterclockwise direction, the leading section of lock pawl connecting panel 5 then rotates along clockwise direction, and lock pawl dead bolt 31 is thrown off with latch hook dead bolt 41.At this moment, the locking bolts 19 in the set bar groove 18 move up, and drive latch hook 4 and move along clockwise direction around latch hook rivet 15, and the pulling force pulling latch hook 4 by extension spring 16 quickens rotations simultaneously.Otherwise, when needing the locking operator's compartment, locking bolt 19 moves down pushes down latch hook dead bolt 41, make latch hook 4 around latch hook rivet 15 along anticlockwise motion, oil cylinder 1 is by the oil pump oil return, piston rod 6 rises and returns to original position, rotates along clockwise direction around lock pawl rivet 7 by lock pawl connecting panel 5 pulling lock pawls 3, finally makes lock pawl dead bolt 31 and latch hook dead bolt 41 interlock mutually.
Claims (6)
1. driver's cab turnover locking mechanism, it is characterized in that comprising lock body, be located at the oil cylinder that lock pawl in the lock body and latch hook and have piston rod, one end of one lock pawl connecting panel links to each other with the bottom of aforesaid piston rod, the other end links to each other with the bottom of aforementioned lock pawl and is articulated on the aforesaid lock body, the top of described lock pawl and the top of latch hook form the dead bolt that cooperatively interacts, the bottom of described latch hook is hinged with aforesaid lock body and a side of latch hook links to each other with lock body by an extension spring, be provided with set bar groove in the middle of the described lock body top, be provided with a locking bolt in the described set bar groove.
2. driver's cab turnover locking mechanism according to claim 1, it is characterized in that first clamping plate and second clamping plate of being located at second liner plate outside that described lock body comprises first liner plate and second liner plate and is located at described first liner plate outside, described first clamping plate link to each other by the clamping plate attaching parts with second clamping plate, described lock pawl is articulated between described first liner plate and second liner plate by lock pawl attaching parts, and described latch hook is articulated between described first liner plate and second liner plate by the latch hook attaching parts.
3. driver's cab turnover locking mechanism according to claim 1 is characterized in that an end of described extension spring is fixed in the bottom of latch hook one side, and the other end is fixed in the lower end of second liner plate.
4. driver's cab turnover locking mechanism according to claim 1 is characterized in that the inside of described oil cylinder is provided with the retracing spring that is placed on the described piston rod, and this retracing spring comprises inner spring and outer spring.
5. driver's cab turnover locking mechanism according to claim 1 is characterized in that a side of described oil cylinder is provided with the passage that communicates with cylinder cavity, and a bleed plug screw is installed on this passage.
6. driver's cab turnover locking mechanism according to claim 5 is characterized in that forming with described lock body on the oil cylinder sidewall of the relative side of described bleed plug screw and is maintained fixed the bonded assembly lug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206981982U CN201923231U (en) | 2010-12-29 | 2010-12-29 | Turnover locking structure for driving cab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206981982U CN201923231U (en) | 2010-12-29 | 2010-12-29 | Turnover locking structure for driving cab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201923231U true CN201923231U (en) | 2011-08-10 |
Family
ID=44427097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206981982U Expired - Fee Related CN201923231U (en) | 2010-12-29 | 2010-12-29 | Turnover locking structure for driving cab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201923231U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103072638A (en) * | 2013-02-06 | 2013-05-01 | 重庆拓泰汽车零部件有限公司 | Mechanical locking safety device of heavy truck cab hydraulic turnover mechanism |
| CN103600783A (en) * | 2013-12-02 | 2014-02-26 | 徐工集团工程机械股份有限公司道路机械分公司 | Locking device for turnover cab |
| CN105026672B (en) * | 2013-02-20 | 2017-03-08 | 白木工业株式会社 | Locking device |
| CN109484496A (en) * | 2017-09-11 | 2019-03-19 | 现代自动车株式会社 | The cab locking device of lorry |
| CN109941325A (en) * | 2019-03-01 | 2019-06-28 | 山东理工职业学院 | A kind of logistics transportation carrier |
-
2010
- 2010-12-29 CN CN2010206981982U patent/CN201923231U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103072638A (en) * | 2013-02-06 | 2013-05-01 | 重庆拓泰汽车零部件有限公司 | Mechanical locking safety device of heavy truck cab hydraulic turnover mechanism |
| CN103072638B (en) * | 2013-02-06 | 2015-10-28 | 重庆拓泰汽车零部件有限公司 | Cab of heavy truck hydraulic turnover mechanism mechanical interlocking safety device |
| CN105026672B (en) * | 2013-02-20 | 2017-03-08 | 白木工业株式会社 | Locking device |
| CN103600783A (en) * | 2013-12-02 | 2014-02-26 | 徐工集团工程机械股份有限公司道路机械分公司 | Locking device for turnover cab |
| CN109484496A (en) * | 2017-09-11 | 2019-03-19 | 现代自动车株式会社 | The cab locking device of lorry |
| CN109941325A (en) * | 2019-03-01 | 2019-06-28 | 山东理工职业学院 | A kind of logistics transportation carrier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110810 Termination date: 20131229 |