CN204801599U - Tipper and automatic back lock thereof - Google Patents
Tipper and automatic back lock thereof Download PDFInfo
- Publication number
- CN204801599U CN204801599U CN201520310983.9U CN201520310983U CN204801599U CN 204801599 U CN204801599 U CN 204801599U CN 201520310983 U CN201520310983 U CN 201520310983U CN 204801599 U CN204801599 U CN 204801599U
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- China
- Prior art keywords
- lock
- dumping car
- rear door
- hook
- loading space
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Abstract
The utility model discloses a tipper and automatic back lock thereof. The automatic back lock of tipper includes the latch hook subassembly, the latch hook subassembly is in order installing for the mode of goods railway carriage or compartment pivot the goods railway carriage or compartment, the lock axle, the lock axle is installed the lower part at goods railway carriage or compartment back door, and resilient means, work as when the goods railway carriage or compartment is in initial horizontal position, resilient means will the latch hook subassembly keeps at the locking state the locking state, the latch hook subassembly with the lock axle is the locking each other, with the restriction open at the back door, when the goods railway carriage or compartment is lifted to predetermineeing when high, resilient means will the latch hook subassembly with the lock axle is followed the locking state drives to release condition release condition, the latch hook subassembly with the lock axle is thrown off, open at the back door. The utility model discloses can the automatic locking and the unblock in goods railway carriage or compartment have been realized with simple reliable structure.
Description
Technical field
The utility model relates to auto-parts technical field, particularly relates to a kind of dumping car and automatic rear door lock thereof.
Background technology
Dumping car is the main conveyance of transporting cargo, because it has self-discharging function, and widespread use in the industries such as building engineering.Dumping car comprises the loading space of lade, and loading space has base plate, front end-plate, biside plate and back door.The back door of loading space is maintained the lock status in transportation by back door lock.When needing unloading, loading space is by after lifting certain altitude, and back door lock is opened automatically, so that automatically unload.
It is of a great variety that current domestic existing dumping car automatic rear door is locked.Wherein, the structure of some automatic rear door locks is comparatively simple, and it is directly installed on the afterbody of loading space usually, therefore goods also can Self-tipping to loading space afterbody, after goods can be stacked into certain altitude, be easy to touch automatic rear door lock, cause the damage of back door lock, unfavorable to service life.Some automatic rear door locks are installed between loading space and subframe, although can not have an impact to automatic rear door lock during self-unloading goods, and complex structure, equipment adjustment difficulty, and amount of parts is many, cost is high.
Therefore, wish a kind of technical scheme to overcome or at least alleviate at least one above-mentioned defect of prior art.
Utility model content
The purpose of this utility model is that providing a kind of dumping car automatic rear door to lock overcomes or at least alleviate at least one the above-mentioned defect in prior art.
For achieving the above object, the utility model provides a kind of dumping car automatic rear door to lock, and it comprises: lock hook assembly, and described lock hook assembly is can be installed to described loading space relative to the mode of loading space pivotable; Lock shaft, described lock shaft is installed to the bottom of described truck compartment rear door; And springing, when described loading space is in original horizontal position, described lock hook assembly is remained on lockup state by described springing, and at described lockup state, described lock hook assembly and the mutual locking of described lock shaft, open to limit described back door; When described loading space is lifted to preset height, described lock hook assembly and described lock shaft are urged to release position from described lockup state by described springing, and in described release position, described lock hook assembly and described lock shaft are thrown off, and described back door is opened.
Further, described lock hook assembly comprises: latch hook lock crook plate, and one end of described latch hook is hook-shaped end; One end of described lock crook plate is tache motorice, and the other end of the relatively described latch hook of the other end of described lock crook plate is fixedly installed; Described tache motorice is connected with described springing, and can move between the first position and the second position under described springing drives, in described primary importance, lock shaft described in described hook-shaped end hook locking, in the described second place, described hook-shaped end departs from and discharges described lock shaft.
Further, also comprise supporting seat, described supporting seat is fixedly connected on subframe, and is that described tache motorice provides support power when described primary importance.
Further, described lock hook assembly also comprises: latch hook bearing pin, and described latch hook bearing pin is fixedly attached to the longeron of described loading space, and the described other end of described latch hook is pivotally installed by described latch hook bearing pin.
Further, described springing comprises: screw rod, spring, the first position limiting structure and the second position limiting structure, and described screw rod is fixedly attached to described loading space; Described spring housing is located at the outside of described screw rod; Described first position limiting structure is arranged on the top of described screw rod, to limit the stretching routine at the top of described spring; Described second position limiting structure is arranged on the bottom of described screw rod, to limit the stretching routine of the bottom of described spring; Described tache motorice is being arranged between described second position limiting structure and the bottom of described spring relative to the mode of described screw motion, and described spring applies the elastic force that described tache motorice is moved between described primary importance and the described second place to described tache motorice.
Further, described tache motorice has slotted hole, and the major diameter direction of this slotted hole is offered along the length direction of described lock hook assembly, and described screw rod is arranged through described slotted hole.
Further, described first position limiting structure is the plate structure be fixedly connected on loading space, and is fixedly connected with described screw rod.
Further, described second position limiting structure is nut.
Application the technical solution of the utility model, in the process using dumping car automatic rear door of the present utility model lock, when loading space is in loading space original horizontal position, lock hook assembly is remained on lockup state by springing, at lockup state, lock hook assembly and the mutual locking of lock shaft, and then restriction back door is opened, the utility model achieves automatic locking and the unblock of loading space with simple and reliable structure.
The utility model also provides a kind of dumping car, and it comprises dumping car automatic rear door lock; Described dumping car automatic rear door lock is dumping car automatic rear door lock as above.
Accompanying drawing explanation
Fig. 1 is that dumping car automatic rear door provided by the utility model locks embodiment structural representation in off position;
Fig. 2 is the birds-eye view of Fig. 1;
Fig. 3 a is the structural representation that in Fig. 1, dumping car automatic rear door is locked in half opened condition;
Fig. 3 b is the structural representation that in Fig. 1, dumping car automatic rear door is locked in full open position.
Reference numeral:
| 1 | Lock hook assembly | 2 | Lock shaft |
| 3 | Screw rod | 4 | Spring |
| 5 | First position limiting structure | 6 | Second position limiting structure |
| 7 | Supporting seat | 1a | Hook-shaped end |
| 1b | Tache motorice | 11 | Latch hook |
| 12 | Lock crook plate | 13 | Latch hook bearing pin |
Detailed description of the invention
The object implemented for making the utility model, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, are further described in more detail the technical scheme in the utility model embodiment.In the accompanying drawings, same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Described embodiment is the utility model part embodiment, instead of whole embodiments.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore the restriction to the utility model protection domain can not be interpreted as.
The dumping car automatic rear door that this practical information shown in Fig. 1 and Fig. 2 provides locks the structural representation of an embodiment.As depicted in figs. 1 and 2, the dumping car automatic rear door lock in the present embodiment comprises lock hook assembly 1, lock shaft 2 and springing, wherein: lock hook assembly 1 is can be installed to loading space A relative to the mode of loading space A pivotable.Lock shaft 2 is installed to the back door A1 of loading space A, is preferably mounted into the bottom of the back door A1 of loading space A.When loading space A is in loading space original horizontal position, lock hook assembly 1 is remained on lockup state by described springing, and at described lockup state, lock hook assembly 1 and lock shaft 2 locking mutually, opens to limit back door A1.Therefore, during described lockup state, back door A1 closes, and is applicable to being applied in dumping car goods transport process.When loading space A is lifted to preset height, lock hook assembly 1 and lock shaft 2 are urged to release position from described lockup state by described springing, and in described release position, lock hook assembly 1 and lock shaft 2 are thrown off, and back door A1 opens.Therefore, during described release position, back door A1 opens, and is applicable to the unloading operating mode being applied in dumping car.The structure of the dumping car automatic rear door lock that the present embodiment provides is simple, and reliably achieves automatic locking and the unblock of loading space.
Lock hook assembly 1 in the dumping car automatic rear door lock that the present embodiment provides has hook-shaped end 1a and tache motorice 1b, wherein: hook-shaped end 1a is arranged down, is advisable can hook the lock shaft 2 be positioned at below hook-shaped end 1a.Tache motorice 1b is connected with described springing, and can move between the first position and the second position under described springing drives, illustrate state during primary importance in Fig. 3 a, Fig. 3 b illustrates the state during second place, and the height of the second place is greater than the height of primary importance.In primary importance, hook-shaped end 1a hook locking lock shaft 2, to realize the lockup state of dumping car automatic rear door lock, the back door A1 of loading space A is in closedown locking state.In the second place, hook-shaped end 1a departs from and discharges lock shaft 2, and to realize the open mode of dumping car automatic rear door lock, the back door A1 of loading space A is in open mode.
What the dumping car automatic rear door in the present embodiment was locked also comprises supporting seat 7, supporting seat 7 is fixedly connected on subframe, and when primary importance, tache motorice 1b is seated on supporting seat 7, supporting seat 7 now can provide support power for tache motorice 1b, and make tache motorice 1b remain on primary importance, and then dumping car automatic rear door lock is made to remain on lockup state.
As a kind of preferred implementation of lock hook assembly 1, lock hook assembly 1 comprises latch hook 11 and lock crook plate 12, wherein: one end of latch hook 11 is hook-shaped end 1a, lives lock shaft 2 to realize the locking of dumping car automatic rear door lock for hook lock.One end of lock crook plate 12 is tache motorice 1b, and the other end of lock crook plate 12 is fixedly installed relative to the other end of latch hook 11, is such as fixedly connected with (welding etc.) or integrally manufactured.
In above-described embodiment, lock hook assembly 1 also comprises latch hook bearing pin 13, and latch hook bearing pin 13 is fixedly connected with (such as weld) to the longeron A2 of loading space A.The described other end of latch hook 11, namely latch hook 11 is away from one end of hook-shaped end 1a, and this end is pivotally installed by latch hook bearing pin 13, to realize lock hook assembly 1 can install relative to the mode of loading space A pivotable.During installation, normally latch hook 11 is fixedly connected with lock crook plate 12 integral after, be assemblied on latch hook bearing pin 13, thus lock hook assembly 1 can rotate around latch hook bearing pin 13, provide condition for tache motorice 1b moves between the first position and the second position.
Described springing in the dumping car automatic rear door lock that the present embodiment provides comprises screw rod 3, spring 4, first position limiting structure 5 and the second position limiting structure 6, wherein: the top of screw rod 3 is fixedly attached on the longeron A2 of loading space A.Spring 4 is set in the outside of screw rod 3.First position limiting structure 5 is arranged on the top of screw rod 3, with the stretching routine at the top of restraining spring 4.Second position limiting structure 6 is arranged on the bottom of screw rod 3, with the stretching routine of the bottom of restraining spring 4.Tache motorice 1b is arranged between the second position limiting structure 6 and the bottom of spring 4 in the mode can moved relative to screw rod 3.Because the distance between the first position limiting structure 5 and the second position limiting structure 6 is adjusted to the natural spread length being less than spring 4, therefore, spring 4 is in compressive state all the time, and it can apply to tache motorice 1b elastic force that tache motorice 1b is moved between described primary importance and the described second place.
Preferably, tache motorice 1b has slotted hole (not shown), and the major diameter direction of this slotted hole is offered along the length direction of lock hook assembly 1, and screw rod 3 is arranged through described slotted hole.Facilitate tache motorice 1b to carry out between the first position and the second position can coordinating preferably with lock hook assembly 1 when switching like this, and avoid interfering.During installation, spring 4 is contained in the top of screw rod 3, and screw rod 3 loads in the slotted hole of tache motorice 1b, then connects as one with the second position limiting structure 6.
Preferably, the first position limiting structure 5, for being fixedly connected on the plate structure on the crossbeam of loading space A, in being horizontally disposed with, and is fixedly connected with screw rod 3.The first position limiting structure 5 now had both had and had carried out spacing function to the top of spring 4, can also play screw rod 3 is fixedly attached to loading space A longeron A2 on effect.During installation, after normally screw rod 3 and the first position limiting structure 5 being welded to connect, then this assembly is welded on longeron A2.
Preferably, the second position limiting structure 6 is nut, and the second position limiting structure 6 now carries out, except spacing function, also having function lock hook assembly 1 being locked to described springing except having to the bottom of spring.
Specifically describe the working process of the dumping car automatic rear door lock in above-described embodiment below.
When the non-lifting of the loading space A of dumping car, latch hook 11 is hooked on the lock shaft 2 of the back door A1 of loading space A, and the lower plane of lock crook plate 12 and the upper plane contact of lower support seat 7, make spring 4 be in compressive state, makes its back door A1 be in closed condition.
After the loading space A of dumping car starts lifting, latch hook 11, latch hook bearing pin 13, lock crook plate 12, screw rod 3, second position limiting structure 6, spring 4, first position limiting structure 5 all turn over axle around dumping car and rotate together with loading space A.Along with loading space A is slowly away from subframe, the lower plane of lock crook plate 12 and the upper plane of supporting seat 7 have separation trend, lock crook plate 12 is under the effect of spring 4, be subject to a downward power, because latch hook 11 and lock crook plate 12 are for being fixedly connected with, therefore latch hook 11 and lock crook plate 12 rotate around latch hook bearing pin 13, and latch hook 11 starts to move up by one end of the back door A1 of loading space A.Along with the lift height of loading space A increases, after latch hook 11 rises to certain altitude, after being separated completely with lock shaft 2, back door A1 is under self gravitation effect, and A1 bottom, back door is away from loading space A, then back door A1 opens automatically.
When loading space A unsnatches goods, latch hook 11, latch hook bearing pin 13, lock crook plate 12, screw rod 3, second position limiting structure 6, spring 4, first position limiting structure 5 all turn over axle around dumping car and rotate decline together with loading space A.After dropping to certain angle, the lower plane of lock crook plate 12 starts the upper plane contact with supporting seat 7, when continuing to decline, lock crook plate 12 is owing to being subject to the resistance of supporting seat 7, lock crook plate 12 have relative on movement tendency, therefore lock crook plate 12 starts Compress Spring 4 upward movement, due to lock crook plate 12 upward movement, therefore cause latch hook 11 to rotate around latch hook bearing pin 13, latch hook 11 rearward one end of door A1 starts to decline.Again because loading space A declines, make back door A1 under the Action of Gravity Field of self, the bottom of back door A1 starts near loading space A.Along with the continuation of loading space A declines, latch hook 11 starts near one end of back door A1 to contact with lock shaft 2, and when loading space A drops to initial condition, latch hook 11 hooks lock shaft 2 completely, and namely back door A1 is lockable.Circulated by the lifting of loading space A, realize the opening and closing circulation of dumping car automatic rear door lock.
The utility model also provides a kind of dumping car, and it comprises dumping car automatic rear door lock.Described dumping car automatic rear door lock is the described dumping car automatic rear door lock in the various embodiments described above.The other parts of described dumping car are prior art, no longer launch to describe at this.
Finally it is to be noted: above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit.Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (9)
1. a dumping car automatic rear door lock, is characterized in that, comprising:
Lock hook assembly (1), described lock hook assembly (1) is can be installed to described loading space (A) relative to the mode of loading space pivotable;
Lock shaft (2), described lock shaft (2) is installed to the bottom of described truck compartment rear door (A1); And
Springing, when described loading space (A) is in original horizontal position, described lock hook assembly (1) is remained on lockup state by described springing, at described lockup state, described lock hook assembly (1) and described lock shaft (2) locking mutually, opens to limit described back door (A1); When described loading space (A) is lifted to preset height, described lock hook assembly (1) and described lock shaft (2) are urged to release position from described lockup state by described springing, in described release position, described lock hook assembly (1) and described lock shaft (2) are thrown off, and described back door (A1) opens.
2. dumping car automatic rear door lock as claimed in claim 1, it is characterized in that, described lock hook assembly (1) comprising:
Latch hook (11), one end of described latch hook (11) is hook-shaped end (1a); With
Lock crook plate (12), one end of described lock crook plate (12) is tache motorice (1b), and the other end of the relatively described latch hook (11) of the other end of described lock crook plate (12) is fixedly installed; Described tache motorice (1b) is connected with described springing, and can move between the first position and the second position under described springing drives, in described primary importance, lock shaft (2) described in described hook-shaped end (1a) hook locking, in the described second place, described hook-shaped end (1a) departs from and discharges described lock shaft (2).
3. dumping car automatic rear door lock as claimed in claim 2, it is characterized in that, also comprise supporting seat (7), described supporting seat (7) is fixedly connected on subframe, and is that described tache motorice (1b) provides support power when described primary importance.
4. dumping car automatic rear door lock as claimed in claim 3, it is characterized in that, described lock hook assembly (1) also comprises:
Latch hook bearing pin (13), described latch hook bearing pin (13) is fixedly attached to the longeron of described loading space, and described latch hook (11) is pivotally installed by described latch hook bearing pin (13).
5. the dumping car automatic rear door lock according to any one of claim 2 to 4, it is characterized in that, described springing comprises:
Screw rod (3), described screw rod (3) is fixedly attached to described loading space;
Spring (4), described spring (4) is set in the outside of described screw rod (3);
First position limiting structure (5), described first position limiting structure (5) is arranged on the top of described screw rod (3), to limit the stretching routine at the top of described spring (4); And
Second position limiting structure (6), described second position limiting structure (6) is arranged on the bottom of described screw rod (3), to limit the stretching routine of the bottom of described spring (4);
Described tache motorice (1b) is arranged between the bottom of described second position limiting structure (6) and described spring (4) in the mode can moved relative to described screw rod (3), and described spring (4) applies the elastic force that described tache motorice (1b) is moved between described primary importance and the described second place to described tache motorice (1b).
6. dumping car automatic rear door lock as claimed in claim 5, it is characterized in that, described tache motorice (1b) has slotted hole, the major diameter direction of this slotted hole is offered along the length direction of described lock hook assembly (1), and described screw rod (3) is arranged through described slotted hole.
7. dumping car automatic rear door lock as claimed in claim 6, it is characterized in that, described first position limiting structure (5) for being fixedly connected on the plate structure on loading space, and is fixedly connected with described screw rod (3).
8. dumping car automatic rear door lock as claimed in claim 7, it is characterized in that, described second position limiting structure (6) is nut.
9. a dumping car, it comprises dumping car automatic rear door lock; It is characterized in that, described dumping car automatic rear door lock is the dumping car automatic rear door lock such as according to any one of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520310983.9U CN204801599U (en) | 2015-05-14 | 2015-05-14 | Tipper and automatic back lock thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520310983.9U CN204801599U (en) | 2015-05-14 | 2015-05-14 | Tipper and automatic back lock thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204801599U true CN204801599U (en) | 2015-11-25 |
Family
ID=54586480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520310983.9U Expired - Fee Related CN204801599U (en) | 2015-05-14 | 2015-05-14 | Tipper and automatic back lock thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204801599U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108045290A (en) * | 2017-11-30 | 2018-05-18 | 湖南汽车制造有限责任公司 | Preventing materials accumulation container and dumper |
| CN108320382A (en) * | 2018-03-29 | 2018-07-24 | 湖南金码智能设备制造有限公司 | A kind of apparatus for transporting freight of automatic vending machine platform |
-
2015
- 2015-05-14 CN CN201520310983.9U patent/CN204801599U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108045290A (en) * | 2017-11-30 | 2018-05-18 | 湖南汽车制造有限责任公司 | Preventing materials accumulation container and dumper |
| CN108320382A (en) * | 2018-03-29 | 2018-07-24 | 湖南金码智能设备制造有限公司 | A kind of apparatus for transporting freight of automatic vending machine platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20151125 Termination date: 20200514 |