CN210828752U - Locking mechanism of compression garbage truck back door - Google Patents
Locking mechanism of compression garbage truck back door Download PDFInfo
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- CN210828752U CN210828752U CN201921360462.9U CN201921360462U CN210828752U CN 210828752 U CN210828752 U CN 210828752U CN 201921360462 U CN201921360462 U CN 201921360462U CN 210828752 U CN210828752 U CN 210828752U
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- telescopic driving
- door body
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Abstract
The utility model relates to the field of garbage truck door structures, in particular to a locking mechanism for compressing a rear door of a garbage truck, one end of a telescopic driving device is rotatably connected with a door body, the other end of the telescopic driving device is adjacently arranged with a limiting part on a box body, the telescopic driving device is abutted with the limiting part to push the door body to open when being extended, one end of a transmission rod is rotatably connected with the telescopic driving device, the other end of the transmission rod is provided with a locking block matched with a locking hook on the door body, the transmission rod enables the locking block to be embedded into the locking hook when the telescopic driving device is in a contraction state so as to prevent the door body from being accidentally opened, and a guide device can guide the tail end (the locking block) of the transmission rod to swing away from the door body when the telescopic driving device is contracted, the locking block drives the locking hook to continue to move towards, the sealing performance of the two is ensured, and the sewage leakage is prevented.
Description
Technical Field
The utility model relates to a garbage truck door structure field especially relates to a locking mechanism of compression garbage truck back door.
Background
The compression type garbage truck is provided with a box body for containing garbage, the rear part of the box body is provided with a cabin door, the cabin door can be opened or closed, and meanwhile, a sealing rubber strip is arranged between the cabin door and the box body to improve the sealing performance of the cabin door and the box body. In order to lock the cabin door and the box body and prevent the cabin door from being opened accidentally, the compression type garbage truck is also provided with a cabin door locking mechanism. The existing cabin door locking mechanism is generally characterized in that a lock pin is arranged on a cabin door, a movable lock hook is arranged on a box body, when the cabin door is closed, the lock hook is connected with the lock pin, the inner side wall of the lock hook is a round surface or an inclined surface, and the lock pin slides along the inner side wall of the lock hook when being embedded into the lock hook, so that the lock pin drives the cabin door to continuously move towards the box body, and the cabin door is pressed with a sealing adhesive tape. However, because the sizes of the sealing rubber strips of each batch are not completely consistent, the sealing rubber strips cannot be tightly sealed, and the lock pins and the lock hooks are worn to some extent after long-term use, the sewage in the box still has leakage risks and secondary pollution risks (the sewage still can leak from the space between the cabin door and the box), and therefore, a water receiving groove is usually installed below the cabin door of the current compression-type garbage truck to collect the leaked sewage.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model aims at providing a locking mechanism of compression garbage truck back door to solve the unable locking hatch door of current hatch door locking mechanism and the box and lead to the problem of sewage seepage.
Based on the above, the utility model provides a locking mechanism for a rear door of a compression garbage truck, which comprises a box body and a door body which is rotationally connected with the box body and covers an opening of the box body,
the telescopic driving device comprises a limiting piece, a telescopic driving device, a transmission rod, a lock hook and a guiding device;
the limiting piece is arranged on the box body, the rotating end of the telescopic driving device is rotatably connected to the door body, the free end of the telescopic driving device is adjacent to the limiting piece, and a gap is formed between the free end and the limiting piece when the telescopic driving device is in a contraction state;
the latch hook is located the door body, the free end rotate connect in the head end of transfer line, the tail end of transfer line be equipped with latch hook assorted latch segment, guider is in guide when flexible drive arrangement contracts the tail end of transfer line deviates from the swing of the door body, the latch segment is in flexible drive arrangement imbeds when being in the contraction state the latch hook.
Preferably, the guiding device comprises a sliding block arranged on the transmission rod and a sliding groove arranged on the box body, and the sliding block is movably connected with the sliding groove in a matched manner.
Preferably, when the door body is closed, the distance between the first end of the sliding chute and the door body is greater than the distance between the second end of the sliding chute and the door body, the first end of the sliding chute is arranged away from the tail end of the transmission rod, and the second end of the sliding chute is arranged close to the tail end of the transmission rod.
Preferably, the transmission rod comprises a first rod body and a second rod body which are connected and mutually obliquely arranged, the first rod body is rotatably connected to the free end of the telescopic driving device, and the second rod body is provided with the locking block.
Preferably, the telescopic driving device is a hydraulic cylinder, a cylinder body of the telescopic driving device is rotatably connected to the door body, and a piston rod of the telescopic driving device is adjacent to the limiting member.
Preferably, the rotating end of the telescopic driving device is rotatably connected to the top of the door body, and the locking hook is arranged at the bottom of the door body.
Preferably, the guide means is located between the head end and the tail end of the drive link.
Preferably, the opening of the locking hook faces away from the telescopic drive.
Preferably, the driving lever is disposed along a top-to-bottom direction of the opening of the case.
The utility model discloses a locking mechanism of compression garbage truck back door, one end of the telescopic driving device is rotationally connected with the door body, the other end is arranged adjacent to the locating part on the box body, the telescopic driving device is abutted against the locating part when extending to push the door body to open, one end of the transmission rod is rotationally connected with the telescopic driving device, the other end is provided with a locking block matched with the latch hook on the door body, the transmission rod enables the locking block to be embedded into the latch hook when the telescopic driving device is in a contraction state, so as to prevent the door body from being opened accidentally, and the guide device can guide the tail end (locking block) of the transmission rod to swing away from the door body when the telescopic driving device is contracted, the locking block drives the locking hook and the door body to continue moving towards the box body, therefore, the locking mechanism can continuously and actively pull the door body to move towards the box body when the door body is closed, so that the door body can be ensured to be pressed against the box body, the tightness of the door body and the box body is ensured, and sewage leakage is prevented.
Drawings
Fig. 1 is a schematic overall structure diagram of a locking mechanism of a rear door of a compression garbage truck according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a guiding device of a locking mechanism of a rear door of a compression garbage truck according to an embodiment of the present invention.
Wherein, 1, a box body; 2. a door body; 3. a limiting member; 4. a telescopic driving device; 41. a rotating end; 42. a free end; 5. a transmission rod; 51. a head end; 52. a tail end; 521. a locking block; 53. a first rod body; 54. a second rod body; 6. a latch hook; 7. a guide device; 71. a slider; 72. a chute; 721. a first end; 722. a second end; 8. a void.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Combine fig. 1 and fig. 2 to show schematically that the utility model discloses a locking mechanism of compression garbage truck back door, including box 1 and the door body 2, door body 2 passes through the hinge articulated top with the open-ended of box 1, and door body 2 can cover and establish the opening at box 1.
The locking mechanism of the compression garbage truck rear door comprises a limiting part 3, a telescopic driving device 4, a transmission rod 5, a lock hook 6 and a guide device 7, the number of the locking mechanisms of the compression garbage truck rear door is two, and the locking mechanisms of the two compression garbage truck rear doors are respectively positioned on two sides of a door body 2.
The limiting member 3 is fixedly disposed on the box 1, two ends of the telescopic driving device 4 are respectively a rotating end 41 and a free end 42, the rotating end 41 is rotatably connected to the door body 2, the free end 42 points to the limiting member 3, and the free end 42 is disposed adjacent to the limiting member 3. The free end 42 and the stop element 3 have a gap 8 therebetween in the retracted state of the telescopic drive 4.
The latch hook 6 is fixedly arranged on the door body 2, the free end 42 of the telescopic driving device 4 is rotatably connected to the head end 51 of the transmission rod 5, the tail end 52 of the transmission rod 5 is provided with a locking block 521 matched with the latch hook 6, the locking block 521 is embedded into the latch hook 6 when the telescopic driving device 4 is in a contraction state so as to lock the door body 2, and the door body 2 is prevented from being opened accidentally, in addition, the guide device 7 guides the tail end 52 of the transmission rod 5 to swing away from the door body 2 when the telescopic driving device 4 contracts, namely, the guide device 7 guides the locking block 521 to move away from the door body 2 when the telescopic driving device 4 contracts, so that the locking block 521 pulls the latch hook 6 (and the door body 2).
The working principle of the locking mechanism of the compression garbage truck rear door is as follows:
when the telescopic driving device 4 extends, the distance between the rotating end 41 and the free end 42 gradually increases, the free end 42 moves towards the limiting member 3 and abuts against each other, wherein in the process that the free end 42 moves towards the limiting member 3, the free end 42 drives the transmission rod 5 to move, so that the locking block 521 is separated from the locking hook 6, the locking block 521 and the locking hook 6 are unlocked, and at the moment, the telescopic driving device 4 continues to extend to drive the door body 2 to overturn relative to the box body 1, and the door body 2 is opened.
When the telescopic driving device 4 contracts, the distance between the rotating end 41 and the free end 42 is gradually reduced, the door body 2 is turned over relative to the box body 1 and finally covers the opening of the box body 1, at this time, the telescopic driving device 4 continues to contract, the free end 42 is separated from the limiting part 3, the gap 8 between the free end 42 and the limiting part 3 is gradually increased, the free end 42 drives the transmission rod 5 to move, the locking block 521 moves towards the locking hook 6 and is gradually embedded into the locking hook 6, meanwhile, the guide device 7 guides the tail end 52 of the transmission rod 5 to swing away from the door body 2, the locking block 521 pulls the locking hook 6 (and the door body 2) to continue to move towards the box body 1, and the door body 2 is.
The utility model discloses a locking mechanism of compression garbage truck back door can be behind latch segment 521 embedding latch hook 6, continue to pull the door body 2 voluntarily and move towards box 1, guarantee the leakproofness of the door body 2 and box 1, prevent the sewage seepage, and under the condition that the door body 2 and box 1 lid closed, the locking mechanism of this compression garbage truck back door continues to pull the stroke of the door body 2 towards box 1 motion far away than the inclined plane inside wall guide lockpin through the latch hook among the prior art in order to pull the stroke of the door body 2 towards box 1 motion, the sewage seepage can be stopped to the locking mechanism of this compression garbage truck back door, avoid secondary pollution, also can make the garbage truck save the water receiving tank that is used for retrieving sewage, reduce the dead weight of garbage truck.
Specifically, as shown in fig. 2, the guiding device 7 includes a sliding block 71 disposed on the transmission rod 5 and a sliding slot 72 disposed on the box body 1, the sliding block 71 is movably connected to the sliding slot 72 in a fitting manner, and the sliding block 71 is disposed adjacent to the locking block 521, both of which are located at the tail end 52 of the transmission rod 5. The two ends of the sliding chute 72 are respectively marked as a first end 721 and a second end 722, the distance between the first end 721 of the sliding chute 72 and the door body 2 when the door body 2 is closed is greater than the distance between the second end 722 of the sliding chute 72 and the door body 2 when the door body 2 is closed, that is, the sliding chute 72 and the opening plane of the box body 1 are obliquely arranged, so that the guiding device 7 can guide the tail end 52 of the transmission rod 5 to swing away from the door body 2 when the telescopic driving device 4 contracts. Wherein the first end 721 of the slide slot 72 is arranged facing away from the trailing end 52 of the transmission rod 5 and the second end 722 of the slide slot 72 is arranged close to the trailing end 52 of the transmission rod 5.
The transmission rod 5 is arranged along the top-to-bottom direction of the opening of the box body 1, the transmission rod 5 comprises a first rod 53 and a second rod 54 which are connected and mutually obliquely arranged, the first rod 53 is rotatably connected to the free end 42 of the telescopic driving device 4, the second rod 54 is provided with a locking block 521, and in this embodiment, the sliding block 71 is located at the connection position of the first rod 53 and the second rod 54.
The telescopic drive means 4 is preferably a hydraulic cylinder, but of course, a hydraulic cylinder has a cylinder body and a piston rod that can be extended or retracted from the cylinder body. The cylinder body of the telescopic driving device 4 is rotatably connected to the door body 2, and a piston rod of the telescopic driving device 4 is arranged adjacent to the limiting piece 3.
The rotating end 41 of the telescopic driving device 4 is rotatably connected to the top of the door body 2, the locking hook 6 is arranged at the bottom of the door body 2, the limiting part 3 is positioned between the guide device 7 and the hinge of the door body 2, the guide device 7 is positioned between the head end 51 and the tail end 52 of the transmission rod 5, and the opening of the locking hook 6 faces away from the telescopic driving device 4.
To sum up, the utility model discloses a locking mechanism of compression garbage truck back door, the one end of flexible drive arrangement 4 rotates and connects to the door body 2, the other end sets up with locating part 3 on the box 1 adjacent, flexible drive arrangement 4 abuts against with locating part 3 when extending to promote the door body 2 to open, the one end of transfer line 5 rotates and connects to flexible drive arrangement 4, the other end is equipped with latch segment 521 that matches with latch hook 6 on the door body 2, transfer line 5 makes latch segment 521 imbed latch hook 6 when flexible drive arrangement 4 is in the shrink state, in order to prevent the door body 2 from opening by accident, and guider 7 can guide tail end 52 (latch segment 521) of transfer line 5 to deviate from the swing of door body 2 when flexible drive arrangement 4 contracts, latch segment 521 drives latch hook 6 and door body 2 and continues to move towards box 1, therefore this locking mechanism can continue to pull door body 2 to move towards box 1 voluntarily when door body 2 closes, the door body 2 can be tightly pressed on the box body 1, the sealing performance of the door body and the box body is guaranteed, and sewage leakage is prevented.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a locking mechanism of compression garbage truck back door, including the box and with its open-ended door body, its characterized in that are located to the box rotation and cover:
the telescopic driving device comprises a limiting piece, a telescopic driving device, a transmission rod, a lock hook and a guiding device;
the limiting piece is arranged on the box body, the rotating end of the telescopic driving device is rotatably connected to the door body, the free end of the telescopic driving device is adjacent to the limiting piece, and a gap is formed between the free end and the limiting piece when the telescopic driving device is in a contraction state;
the latch hook is located the door body, the free end rotate connect in the head end of transfer line, the tail end of transfer line be equipped with latch hook assorted latch segment, guider is in guide when flexible drive arrangement contracts the tail end of transfer line deviates from the swing of the door body, the latch segment is in flexible drive arrangement imbeds when being in the contraction state the latch hook.
2. The locking mechanism of the rear door of the compression garbage truck as claimed in claim 1, wherein: the guide device comprises a sliding block arranged on the transmission rod and a sliding groove arranged on the box body, and the sliding block is movably connected with the sliding groove in a matched mode.
3. The locking mechanism of the rear door of the compression garbage truck as claimed in claim 2, wherein: the distance between the first end of the sliding groove and the door body is larger than that between the second end of the sliding groove and the door body when the door body is closed, the first end of the sliding groove is arranged away from the tail end of the transmission rod, and the second end of the sliding groove is arranged close to the tail end of the transmission rod.
4. The locking mechanism of the rear door of the compression garbage truck as claimed in claim 1, wherein: the transmission rod comprises a first rod body and a second rod body which are connected and are arranged in an inclined mode, the first rod body is rotatably connected to the free end of the telescopic driving device, and the second rod body is provided with the locking block.
5. The locking mechanism of the rear door of the compression garbage truck as claimed in claim 1, wherein: the telescopic driving device is a hydraulic cylinder, a cylinder body of the telescopic driving device is rotatably connected to the door body, and a piston rod of the telescopic driving device is adjacent to the limiting piece.
6. The locking mechanism of the rear door of the compression garbage truck as claimed in claim 1, wherein: the rotating end of the telescopic driving device is rotatably connected to the top of the door body, and the lock hook is arranged at the bottom of the door body.
7. The locking mechanism of the rear door of the compression garbage truck as claimed in claim 1, wherein: the guide device is located between the head end and the tail end of the transmission rod.
8. The locking mechanism of the rear door of the compression garbage truck as claimed in claim 1, wherein: the opening of the lock hook is back to the telescopic driving device.
9. The locking mechanism of the rear door of the compression garbage truck as claimed in claim 1, wherein: the transmission rod is arranged along the direction from the top to the bottom of the opening of the box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921360462.9U CN210828752U (en) | 2019-08-21 | 2019-08-21 | Locking mechanism of compression garbage truck back door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921360462.9U CN210828752U (en) | 2019-08-21 | 2019-08-21 | Locking mechanism of compression garbage truck back door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210828752U true CN210828752U (en) | 2020-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921360462.9U Active CN210828752U (en) | 2019-08-21 | 2019-08-21 | Locking mechanism of compression garbage truck back door |
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| Country | Link |
|---|---|
| CN (1) | CN210828752U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397358A (en) * | 2019-08-21 | 2019-11-01 | 甘肃建投重工科技有限公司 | The retaining mechanism at compression garbage truck back door |
-
2019
- 2019-08-21 CN CN201921360462.9U patent/CN210828752U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397358A (en) * | 2019-08-21 | 2019-11-01 | 甘肃建投重工科技有限公司 | The retaining mechanism at compression garbage truck back door |
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