CN211365814U - Garbage truck rear door locking assembly and garbage truck using same - Google Patents
Garbage truck rear door locking assembly and garbage truck using same Download PDFInfo
- Publication number
- CN211365814U CN211365814U CN201921586471.XU CN201921586471U CN211365814U CN 211365814 U CN211365814 U CN 211365814U CN 201921586471 U CN201921586471 U CN 201921586471U CN 211365814 U CN211365814 U CN 211365814U
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- cylinder body
- bolt
- piston rod
- rear door
- piston
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Abstract
The utility model provides a tight assembly of garbage truck back door and use garbage truck of this assembly, the tight assembly of garbage truck back door includes: a rear door; the locking oil cylinder comprises a cylinder body with the length extending along the left-right direction; a left piston and a right piston with the same diameter are arranged in the cylinder body, a left piston rod is connected to the left piston, a right piston rod is connected to the right piston, the diameters of the left piston rod and the right piston rod are equal, the left piston rod penetrates through the cylinder body, a left bolt is connected to the penetrating end of the left piston rod, and a right bolt is connected to the penetrating end of the right piston rod; the assembly further includes: the left insert is arranged on the rear door and used for corresponding to the position of the left bolt after the rear door is closed so as to insert the left bolt; and the right insert is arranged on the rear door and used for corresponding to the position of the right bolt after the rear door is closed so as to insert the right bolt. Has the advantages that: the effective action areas at the two ends of the two pistons are equal, the two piston rods can synchronously extend out or retract, and the locking efficiency and the unlocking efficiency are higher.
Description
Technical Field
The utility model relates to a garbage truck back door locking assembly and use garbage truck of this assembly.
Background
At present, the automatic loading, taking, compressing and unloading of garbage can be realized by the self-loading and unloading garbage truck. After the rear door of the garbage truck is closed, the rear door needs to be locked by a locking device. For example, the carriage leakage-proof back door locking device disclosed in the chinese patent application with application publication No. CN102765569A includes an opening and closing mechanism and a locking mechanism, the opening and closing mechanism is fixed on the top of the back door of the carriage, the locking mechanism is installed under the back door of the carriage, the locking mechanism includes a locking cylinder, a piston rod at one end of the locking cylinder is connected with a wedge-shaped bolt through a pin shaft, a cylinder body at the other end of the locking cylinder is also connected with a wedge-shaped bolt through a pin shaft, and the pin shafts at both ends slide in a guide way in a chute plate. When the locking mechanism is used, hydraulic oil is introduced into the locking oil cylinder, the piston rod extends out, the wedge-shaped bolt on one side is driven to be inserted into the movable pore plate on one side of the backdoor, the pin shaft abuts against the sliding groove plate when running to the limit, the piston rod continues to extend out, the wedge-shaped bolt on the other side also starts to move and is inserted into the movable pore plate on the other side, and therefore locking of the backdoor is achieved.
The two bolts of the rear door locking device cannot synchronously extend out, the bolts on two sides need to be waited to move in place respectively when being locked, the consumed time is long, the locking efficiency is low, the two bolts cannot be retracted synchronously, and the unlocking efficiency is low. Meanwhile, the bolt is hinged with the piston rod or the cylinder body through the pin shaft, and the bolt can rotate around the pin shaft, so that a guide device like a sliding groove plate is required to be arranged, and meanwhile, the position of the bolt is limited by a fixed pore plate, so that the rotation of the bolt is avoided, and the whole structure is complex. In addition, in the locking and unlocking processes, the locking oil cylinder moves left and right at intervals, and is easy to rub or interfere with other components, so that the abrasion of the cylinder body or the damage of other components are caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a garbage truck rear door locking assembly to solve the problem of lower locking and unlocking efficiency of the locking device in the prior art; an object of the utility model is also to provide a garbage truck that back door lock is higher with unblock efficiency ratio.
In order to achieve the above object, the utility model provides a tight assembly of garbage truck back door adopts following technical scheme:
a garbage truck rear door locking assembly, comprising:
a rear door for being coupled to a rear of the dustbin to close the dustbin;
the locking oil cylinder is used for being fixed at the bottom of the garbage can or on a chassis of the garbage truck and comprises a cylinder body with the length extending along the left-right direction;
a left piston and a right piston with the same diameter are arranged on the left side and the right side in the cylinder body, a left piston rod extending towards the left side is connected to the left piston, a right piston rod extending towards the right side is connected to the right piston, the diameters of the left piston rod and the right piston rod are equal, the cylinder body is divided into two rod cavities and a rodless cavity by the left piston and the right piston, oil ports are respectively arranged at positions, corresponding to the rodless cavity and the two rod cavities, on the cylinder body, the left piston rod penetrates out of the cylinder body, a left bolt is connected to the penetrating end, and the right piston rod also penetrates out of the cylinder body and is connected to the right bolt;
the tight assembly of garbage truck back door still includes:
the left insert is arranged on the rear door and used for corresponding to the position of the left bolt after the rear door is closed so as to allow the left bolt to be inserted into the left insert, and the left insert is provided with an insertion hole;
the right insert is arranged on the rear door and used for being inserted into the right bolt corresponding to the position of the right bolt after the rear door is closed, and the right insert is also provided with an insertion hole.
The technical scheme of the garbage truck rear door locking assembly has the beneficial effects that: the two pistons are arranged in the cylinder body, and the two pistons are connected with the piston rods, so that the cylinder body is divided into two rod cavities and a rodless cavity, a double-piston-rod oil cylinder is formed, the two piston rods can extend out through oil inlet of the rodless cavity oil port and oil return of the two rod cavity oil ports, and the two piston rods can retract through the oil inlet of the two rod cavity oil ports and the oil return of the rodless cavity oil port. Because the locking oil cylinder is fixed, the rear door is provided with the left insert and the right insert, the locking of the rear door can be realized by inserting the plug pin connected with the piston rod into the corresponding insert, and the unlocking can be realized by retracting the piston rod.
Because the diameters of the two pistons and the diameters of the two piston rods are equal, effective action areas at two ends of the two pistons are equal, so that the stress and the moving speed of the two pistons can be equal, namely the two piston rods can synchronously extend out or retract, and the locking efficiency and the unlocking efficiency are higher.
Furthermore, in order to conveniently realize the fixation of the locking oil cylinder, a fixing plate used for fixing the cylinder body on the bottom of the garbage can or the chassis of the garbage truck is arranged on the cylinder body, and a fixing hole is formed in the fixing plate.
Further, in order to ensure the fixing effect, the two fixing plates are respectively arranged at the left end and the right end of the cylinder body.
Further, in order to facilitate the arrangement of the fixing plate, the fixing plate is sleeved and fixed outside the cylinder body, and the fixing holes are uniformly distributed in at least two circumferences.
Furthermore, in order to simplify the structure, the left bolt is welded and fixed with the left piston rod, and the right bolt is welded and fixed with the right piston rod.
In order to achieve the above object, the utility model provides a garbage truck adopts following technical scheme:
a garbage truck comprising:
a chassis;
the dustbin is arranged on the chassis;
back door locking assembly, back door locking assembly includes:
a rear door connected to a rear portion of the dustbin to close the dustbin;
the locking oil cylinder is fixed at the bottom of the dustbin or on the chassis and comprises a cylinder body with the length extending along the left-right direction;
a left piston and a right piston with the same diameter are arranged on the left side and the right side in the cylinder body, a left piston rod extending towards the left side is connected to the left piston, a right piston rod extending towards the right side is connected to the right piston, the diameters of the left piston rod and the right piston rod are equal, the cylinder body is divided into two rod cavities and a rodless cavity by the left piston and the right piston, oil ports are respectively arranged at positions, corresponding to the rodless cavity and the two rod cavities, on the cylinder body, the left piston rod penetrates out of the cylinder body, a left bolt is connected to the penetrating end, and the right piston rod also penetrates out of the cylinder body and is connected to the right bolt;
the back door locking assembly further comprises:
the left insert is arranged on the rear door and used for corresponding to the position of the left bolt after the rear door is closed so as to allow the left bolt to be inserted into the left insert, and the left insert is provided with an insertion hole;
the right insert is arranged on the rear door and used for being inserted into the right bolt corresponding to the position of the right bolt after the rear door is closed, and the right insert is also provided with an insertion hole.
The technical scheme of the garbage truck has the beneficial effects that: the two pistons are arranged in the cylinder body, and the two pistons are connected with the piston rods, so that the cylinder body is divided into two rod cavities and a rodless cavity, a double-piston-rod oil cylinder is formed, the two piston rods can extend out through oil inlet of the rodless cavity oil port and oil return of the two rod cavity oil ports, and the two piston rods can retract through the oil inlet of the two rod cavity oil ports and the oil return of the rodless cavity oil port. Because the locking oil cylinder is fixed, the rear door is provided with the left insert and the right insert, the locking of the rear door can be realized by inserting the plug pin connected with the piston rod into the corresponding insert, and the unlocking can be realized by retracting the piston rod.
Because the diameters of the two pistons and the diameters of the two piston rods are equal, effective action areas at two ends of the two pistons are equal, so that the stress and the moving speed of the two pistons can be equal, namely the two piston rods can synchronously extend out or retract, and the locking efficiency and the unlocking efficiency are higher.
Furthermore, in order to conveniently realize the fixation of the locking oil cylinder, a fixing plate used for fixing the cylinder body on the bottom of the garbage can or the chassis is arranged on the cylinder body, and a fixing hole is formed in the fixing plate.
Further, in order to ensure the fixing effect, the two fixing plates are respectively arranged at the left end and the right end of the cylinder body.
Further, in order to facilitate the arrangement of the fixing plate, the fixing plate is sleeved and fixed outside the cylinder body, and the fixing holes are uniformly distributed in at least two circumferences.
Furthermore, in order to simplify the structure, the left bolt is welded and fixed with the left piston rod, and the right bolt is welded and fixed with the right piston rod.
Drawings
FIG. 1 is a partial view of a garbage truck according to the present invention;
FIG. 2 is a partial view of the garbage truck according to the present invention;
FIG. 3 is a block diagram of the latch cylinder of FIG. 2;
fig. 4 is a right side view of fig. 3.
In the figure: 100. a dustbin; 200. a rear door; 300. mounting a plate; 400. a chassis; 1. a left insert plate; 2. a left bolt; 3. a left piston rod; 4. a left oil port; 5. a left piston; 6. a middle oil port; 7. a right oil port; 8. a right fixing plate; 9. a right bolt; 10. a right insert plate; 11. a rod cavity; 12. a right piston; 13. a rodless cavity; 14. a cylinder body; 15. a left fixing plate; 16. and a right piston rod.
Detailed Description
The utility model discloses an embodiment of well garbage truck is shown in fig. 1 and 2, including chassis 400, the dustbin 100 of setting on chassis 400 and the tight assembly of back door lock, the tight assembly of back door lock is including connecting the back door 200 in order to seal dustbin 100 at dustbin 100 rear portion, and the last left right of back door 200 is fixed with two inserts, and the insert in this embodiment is platelike, is left picture peg 1 and right picture peg 10 respectively, all is provided with the jack on two picture pegs.
The garbage truck back door locking assembly further comprises a locking oil cylinder fixed in the middle position of the tail of the chassis 400, as shown in fig. 2 and 3, the locking oil cylinder comprises a cylinder body 14 with the length extending along the left-right direction, a left piston 5 and a right piston 12 with the same diameter are arranged in the cylinder body 14 from left to right, the left piston 5 is connected with a left piston rod 3 extending towards left, the right piston 12 is connected with a right piston rod 16 extending towards right, and the diameters of the left piston rod 3 and the right piston rod 16 are equal.
The left piston 5 and the right piston 12 divide the cylinder 14 into two rod cavities 11 and a rodless cavity 13, a left oil port 4 and a right oil port 7 are respectively arranged at positions on the cylinder 14 corresponding to the rod cavities, and a middle oil port 6 is arranged at a position on the cylinder 14 corresponding to the rodless cavity. When oil is fed through the middle oil port 6 and oil is discharged through the left oil port 4 and the right oil port 7, the left piston 5 is subjected to leftward thrust, the right piston 12 is subjected to rightward thrust, and the two piston rods respectively extend outwards; when oil is fed through the left oil port 4 and the right oil port 7 and oil is discharged through the middle oil port 6, the two piston rods retract inwards respectively.
Because the diameters of the two piston rods and the diameters of the pistons are respectively equal, the effective acting areas at the two ends of the two pistons are equal, so that the stress and the moving speed of the two pistons can be equal, namely the two piston rods can synchronously extend or retract.
The left piston rod 3 penetrates through the cylinder body 14 and is fixedly welded with a left bolt 2 at the penetrating end, and the right piston rod 16 also penetrates through the cylinder body 14 and is fixedly welded with a right bolt 9 at the penetrating end. When the back door is closed, the left inserting plate 1 corresponds to the left inserting pin 2 in position, so that the left inserting pin 2 can be inserted into the inserting hole of the left inserting plate 1, the right inserting plate 10 corresponds to the right inserting pin 9 in position, so that the right inserting pin 9 can be inserted into the inserting hole of the right inserting plate 10, and the back door is locked.
Referring to fig. 4, a left fixing plate 15 is disposed at the left end of the cylinder 14, a right fixing plate 8 is disposed at the right end of the cylinder, and the left fixing plate 15 and the right fixing plate 8 are both annular, are sleeved outside the cylinder 14, and are fixed by welding. All be provided with the fixed orifices of four circumference equipartitions on left fixed plate 15 and the right fixed plate 8, correspond on the chassis 400 be provided with two fixed plate fixed connection's mounting panel 300, be provided with the connecting hole that corresponds with the fixed orifices on the mounting panel 300, utilize the bolt can realize the fixed connection of fixed plate and chassis.
The cylinder body of the rear door locking assembly of the garbage truck is fixed, and the two piston rods synchronously extend and retract, so that the locking efficiency and the unlocking efficiency are higher, and the abrasion of the cylinder body and the possible interference with other parts are avoided; meanwhile, the bolt and the piston rod are welded and fixed, connection is simple, the piston rod directly drives the bolt to move, an additional guide structure is not needed, and structure setting is simplified.
In other embodiments of the garbage truck, the left bolt and the left piston rod, and the right bolt and the right piston rod can also be fixedly connected through bolts and nuts, and bolt through holes are required to be arranged on the piston rods and the bolts; of course, the left bolt and the left piston rod, and the right bolt and the right piston rod may be connected by a screw thread, for example, an external thread is processed on the piston rod, and a screw hole is processed on the bolt, so that the bolt and the piston rod are directly connected by the screw thread.
In other embodiments of the garbage truck, the fixing holes on the fixing plate can be only two, three or five, and the holes are not uniformly distributed on the circumference; only one fixing plate can be arranged; the fixed plate may not be fixed outside the cylinder body, and may be directly tangent to the outer circumferential surface of the cylinder body and welded and fixed, for example; the fixing plate may not be separately fixed to the cylinder but integrally formed with the cylinder.
In other embodiments of the garbage truck, the cylinder body can be directly welded and fixed on a chassis of the garbage truck without arranging a fixing plate; of course, under the condition of proper structure, the cylinder body can be directly welded and fixed at the bottom of the garbage can, as long as the inserting plate on the back door can correspond to the position of the bolt after the back door is closed.
In other embodiments of the garbage truck, the insert member may not be plate-shaped, for example, it may be block-shaped, in which case the insert member is a plug plate.
The utility model discloses the embodiment of well garbage truck back door locking assembly does: the specific structure of the rear door locking assembly of the garbage truck is the same as that of the rear door locking assembly in the embodiment of the garbage truck, and repeated description is omitted here.
Claims (10)
1. A garbage truck rear door locking assembly, comprising:
a rear door for being coupled to a rear of the dustbin to close the dustbin;
the locking oil cylinder is used for being fixed at the bottom of the garbage can or on a chassis of the garbage truck and comprises a cylinder body with the length extending along the left-right direction; the method is characterized in that:
a left piston and a right piston with the same diameter are arranged on the left side and the right side in the cylinder body, a left piston rod extending towards the left side is connected to the left piston, a right piston rod extending towards the right side is connected to the right piston, the diameters of the left piston rod and the right piston rod are equal, the cylinder body is divided into two rod cavities and a rodless cavity by the left piston and the right piston, oil ports are respectively arranged at positions, corresponding to the rodless cavity and the two rod cavities, on the cylinder body, the left piston rod penetrates out of the cylinder body, a left bolt is connected to the penetrating end, and the right piston rod also penetrates out of the cylinder body and is connected to the right bolt;
the tight assembly of garbage truck back door still includes:
the left insert is arranged on the rear door and used for corresponding to the position of the left bolt after the rear door is closed so as to allow the left bolt to be inserted into the left insert, and the left insert is provided with an insertion hole;
the right insert is arranged on the rear door and used for being inserted into the right bolt corresponding to the position of the right bolt after the rear door is closed, and the right insert is also provided with an insertion hole.
2. The garbage truck rear door locking assembly according to claim 1, wherein: the cylinder body is provided with a fixing plate used for fixing the cylinder body on the bottom of the garbage can or the chassis of the garbage truck, and the fixing plate is provided with a fixing hole.
3. The garbage truck rear door locking assembly as defined in claim 2, wherein: the fixed plates are two and are respectively positioned at the left end and the right end of the cylinder body.
4. The garbage truck rear door locking assembly according to claim 2 or 3, wherein: the fixed plate is sleeved and fixed outside the cylinder body, and the fixed holes are at least two and circumferentially and uniformly distributed.
5. The garbage truck rear door locking assembly as claimed in any one of claims 1 to 3, wherein: the left bolt is welded and fixed with the left piston rod, and the right bolt is welded and fixed with the right piston rod.
6. A garbage truck comprising:
a chassis;
the dustbin is arranged on the chassis;
back door locking assembly, back door locking assembly includes:
a rear door connected to a rear portion of the dustbin to close the dustbin;
the locking oil cylinder is fixed at the bottom of the dustbin or on the chassis and comprises a cylinder body with the length extending along the left-right direction; the method is characterized in that:
a left piston and a right piston with the same diameter are arranged on the left side and the right side in the cylinder body, a left piston rod extending towards the left side is connected to the left piston, a right piston rod extending towards the right side is connected to the right piston, the diameters of the left piston rod and the right piston rod are equal, the cylinder body is divided into two rod cavities and a rodless cavity by the left piston and the right piston, oil ports are respectively arranged at positions, corresponding to the rodless cavity and the two rod cavities, on the cylinder body, the left piston rod penetrates out of the cylinder body, a left bolt is connected to the penetrating end, and the right piston rod also penetrates out of the cylinder body and is connected to the right bolt;
the back door locking assembly further comprises:
the left insert is arranged on the rear door and used for corresponding to the position of the left bolt after the rear door is closed so as to allow the left bolt to be inserted into the left insert, and the left insert is provided with an insertion hole;
the right insert is arranged on the rear door and used for being inserted into the right bolt corresponding to the position of the right bolt after the rear door is closed, and the right insert is also provided with an insertion hole.
7. The trash cart of claim 6, wherein: the cylinder body is provided with a fixing plate used for fixing the cylinder body on the bottom of the dustbin or the chassis, and the fixing plate is provided with a fixing hole.
8. The trash cart of claim 7, wherein: the fixed plates are two and are respectively positioned at the left end and the right end of the cylinder body.
9. The trash cart of claim 7 or 8, wherein: the fixed plate is sleeved and fixed outside the cylinder body, and the fixed holes are at least two and circumferentially and uniformly distributed.
10. The garbage truck according to any one of claims 6 to 8, characterized in that: the left bolt is welded and fixed with the left piston rod, and the right bolt is welded and fixed with the right piston rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921586471.XU CN211365814U (en) | 2019-09-23 | 2019-09-23 | Garbage truck rear door locking assembly and garbage truck using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921586471.XU CN211365814U (en) | 2019-09-23 | 2019-09-23 | Garbage truck rear door locking assembly and garbage truck using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211365814U true CN211365814U (en) | 2020-08-28 |
Family
ID=72166169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921586471.XU Expired - Fee Related CN211365814U (en) | 2019-09-23 | 2019-09-23 | Garbage truck rear door locking assembly and garbage truck using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211365814U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113619952A (en) * | 2021-09-16 | 2021-11-09 | 深高蓝德环保科技集团股份有限公司 | Overhead push plate transfer box and method |
-
2019
- 2019-09-23 CN CN201921586471.XU patent/CN211365814U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113619952A (en) * | 2021-09-16 | 2021-11-09 | 深高蓝德环保科技集团股份有限公司 | Overhead push plate transfer box and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20200828 |