CN211337425U - Garbage compression box and back door loosening and locking mechanism thereof - Google Patents

Garbage compression box and back door loosening and locking mechanism thereof Download PDF

Info

Publication number
CN211337425U
CN211337425U CN201921933088.7U CN201921933088U CN211337425U CN 211337425 U CN211337425 U CN 211337425U CN 201921933088 U CN201921933088 U CN 201921933088U CN 211337425 U CN211337425 U CN 211337425U
Authority
CN
China
Prior art keywords
rear door
oil cylinder
pull rod
door
storage bin
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.)
Active
Application number
CN201921933088.7U
Other languages
Chinese (zh)
Inventor
朱春明
袁元
阮洋
徐斌
陈敦平
彭军
卢强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHENZHEN YIKE ZHILIAN TECHNOLOGY DEVELOPMENT CO LTD
Original Assignee
SHENZHEN YIKE ZHILIAN TECHNOLOGY DEVELOPMENT CO LTD
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHENZHEN YIKE ZHILIAN TECHNOLOGY DEVELOPMENT CO LTD filed Critical SHENZHEN YIKE ZHILIAN TECHNOLOGY DEVELOPMENT CO LTD
Priority to CN201921933088.7U priority Critical patent/CN211337425U/en
Application granted granted Critical
Publication of CN211337425U publication Critical patent/CN211337425U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)

Abstract

The utility model relates to a garbage compression box and a back door loosening and locking mechanism thereof, wherein the garbage compression box comprises an underframe, a compression box body and a back door loosening and locking mechanism; the compression box body comprises a storage bin, a feeding bin, a compression bin, a front box plate and a rear box door; the rear door loosening and locking mechanism comprises a rear door oil cylinder, a rear door locking fork plate, a hook plate, a first pull rod and a second pull rod; a piston rod positioned outside the cylinder body of the rear door oil cylinder is also sleeved with a heavy-load spring in a matching manner; one end of the heavy-duty spring is tightly propped against the cylinder body of the rear door oil cylinder, and the other end of the heavy-duty spring is tightly propped against the piston rod head of the rear door oil cylinder; one end of the first pull rod is hinged to a piston rod head of the rear door oil cylinder, and the other end of the first pull rod is hinged to a rear door frame of the storage bin; one end of the second pull rod is hinged to a piston rod head of the rear door oil cylinder, and the other end of the second pull rod is hinged to one end, close to the rear door oil cylinder, of the rear door locking fork plate. The utility model discloses can effectively avoid rubbish in the rubbish transportation sewage to leak and hydraulic system inefficacy leads to the extreme contingency that back chamber door was opened to take place.

Description

Garbage compression box and back door loosening and locking mechanism thereof
Technical Field
The utility model belongs to the technical field of the rubbish compression case, concretely relates to rubbish compression case and back door release locking mechanism thereof.
Background
The rear door 01 of the traditional garbage compression box is hinged with a rear door frame 03 through a rear door hanging shaft 07, and three rear door pin shafts 02 on the rear door 01 are respectively matched with two hook arms 04 and a locking fork plate 05 on the rear door frame 03 to realize locking of the rear door. The opening mode of the rear box door 01 is that a rear door oil cylinder 06 is directly connected with a locking fork plate 05, and when the rear box door 01 is opened, the oil cylinder 06 extends out to enable the locking fork plate 05 to turn outwards to loosen a rear door pin shaft 02 matched with the rear box door 01; the rear door 01 is separated from the rear door frame 03 to be opened in the process of erecting the hook plate vehicle. The rear door 01 is closed and locked by means of flatting the garbage compression box by means of a hook plate vehicle, the rear door 01 is flatly attached to a rear door frame 03, a rear door oil cylinder 06 retracts to drive a fork opening end of a locking fork plate 05 to lift a rear door pin shaft 02 corresponding to the rear door 01 on the rear door 01, and the rear door 01 slides upwards to enable two rear door pin shafts 02 on the upper portion to be attached to two hook arms 04 on the rear door frame 03 to achieve locking of the rear door 01. However, the situation is an ideal situation under the condition that the internal pressure of the garbage compression box is not considered, in actual use, the internal pressure of the garbage compression box after being filled with garbage can provide an outward thrust for the rear box door 01, at the moment, the garbage compression box is fully tensioned by the oil cylinder 06, tensioning of the oil cylinder 06 is realized by the hydraulic lock, in actual use, leakage occurs under the working condition with pressure for a period of time to cause the locking failure of the rear box door 01, a mechanism is required to continuously provide locking force after the oil cylinder 06 realizes the door locking action, and the load of the hydraulic lock is reduced.
Disclosure of Invention
To the problem that exists among the above-mentioned background art, the utility model provides a can continue to provide the locking force after the action of closing the door is accomplished to the back door hydro-cylinder, need not the long-time area of back door hydro-cylinder and presses, protection back door hydro-cylinder and hydraulic pressure lock, extension hydraulic pressure lock life can effectively avoid rubbish in the transportation sewage to leak and hydraulic system inefficacy leads to the rubbish compression case and the back door that the extreme contingency that the back chamber door was opened to take place to relax locking mechanism.
The utility model discloses a realize through following technical scheme:
the garbage compression box comprises a bottom frame, a compression box body and a rear door loosening and locking mechanism; the compression box body is fixedly arranged on the underframe and comprises a storage bin, a feeding bin arranged at the front end of the storage bin, a compression bin arranged on the lower side of the feeding bin, a front box plate arranged at the front end of the compression bin and a rear box door arranged at the rear end of the storage bin; the rear end part of the storage bin is provided with a rear door frame in a matching way; the door frames on two opposite sides of the rear door are provided with rear door pin shafts in a matching way; the rear door loosening and locking mechanism is arranged at the rear end of the storage bin in a matching manner; the rear door loosening and locking mechanism comprises a rear door oil cylinder, a rear door locking fork plate and a hook plate; the rear door oil cylinder is matched and arranged at the rear end of the storage bin; the middle part of the rear door locking fork plate is hinged to the rear end of the storage bin, one end of the rear door locking fork plate is a fork opening end and is connected with the corresponding rear door pin shaft on the rear door in a matching manner, and the other end of the rear door locking fork plate is close to the rear door oil cylinder and is connected with a piston rod head of the rear door oil cylinder; the hook plate is arranged at the rear end of the storage bin in a matching way, and the head end of the hook plate is connected with the corresponding rear door pin shaft on the rear box door in a matching way; a piston rod positioned outside the cylinder body of the rear door oil cylinder is also sleeved with a heavy-load spring in a matching manner; one end of the heavy-load spring is tightly propped against the cylinder body of the rear door oil cylinder, the other end of the heavy-load spring is tightly propped against the piston rod head of the rear door oil cylinder, and the piston rod of the rear door oil cylinder always keeps an external force extending outwards under the elastic action of the heavy-load spring; the rear door loosening and locking mechanism also comprises a first pull rod and a second pull rod which are arranged on one side of a piston rod head of the rear door oil cylinder in a matching manner; one end of the first pull rod is hinged to a piston rod head of the rear door oil cylinder, and the other end of the first pull rod is hinged to a rear door frame of the storage bin; one end of the second pull rod is hinged to a piston rod head of the rear door oil cylinder and one end, close to the rear door oil cylinder, of the first pull rod, and the other end of the second pull rod is hinged to one end, close to the rear door oil cylinder, of the rear door locking fork plate; the first pull rod and the second pull rod drive the jaw end of the rear door locking jaw plate to swing anticlockwise or clockwise under the driving of the piston rod of the rear door oil cylinder to push the corresponding rear door pin shaft on the rear door to move up and down, so that the whole rear door moves up and down to realize opening or locking.
The rubbish compression case, wherein: the rear door oil cylinder is horizontally arranged at the rear end of the storage bin in a matched manner; an oil cylinder support is hinged to the tail end of the cylinder body of the rear door oil cylinder and fixed to the rear end of the storage bin, and a connecting pin shaft is fixedly mounted on a piston rod head of the rear door oil cylinder; one end of the first pull rod and one end of the second pull rod are hinged with the connecting pin shaft which is arranged on a piston rod head of the rear door oil cylinder in a matching mode.
The rubbish compression case, wherein: the rear door loosening and locking mechanism also comprises a pull rod fixing seat fixedly arranged on the rear door frame in a matching manner; the other end of the first pull rod is hinged to the pull rod fixing seat.
The rubbish compression case, wherein: the rear door loosening and locking mechanism further comprises a hook plate, and the hook plate comprises an upper hook plate and a lower hook plate; the tail ends of the upper hook plate and the lower hook plate are matched and fixed at the rear end of the storage bin, and the head ends of the upper hook plate and the lower hook plate are respectively matched and connected with the corresponding rear door pin shaft on the rear box door.
The rubbish compression case, wherein: the garbage compression box also comprises a turnover feeding mechanism; the turnover feeding mechanism is arranged between the outer part of the upper end of the feeding bin and the outer part of the upper end of the front box plate.
The rubbish compression case, wherein: the bottom of the storage bin is provided with a roller; and a hanging nose is arranged on the outer wall of the front end of the feeding bin.
The rear door loosening and locking mechanism of the garbage compression box is arranged on the lower side of the rear end of the storage bin of the garbage compression box in a matching manner and comprises a rear door oil cylinder, a rear door locking fork plate and a hook plate; the rear door oil cylinder is matched and arranged at the rear end of the storage bin of the garbage compression box; the middle part of the rear door locking fork plate is hinged to the rear end of the storage bin of the garbage compression box, one end of the rear door locking fork plate is a fork opening end and is connected with a corresponding rear door pin shaft on a rear box door of the garbage compression box in a matching mode, and the other end of the rear door locking fork plate is close to the rear door oil cylinder and is connected with a piston rod head of the rear door oil cylinder; the hook plate is arranged at the rear end of the storage bin of the garbage compression box in a matching way, and the head end of the hook plate is connected with the corresponding rear door pin shaft on the rear box door of the garbage compression box in a matching way; a piston rod positioned outside the cylinder body of the rear door oil cylinder is also sleeved with a heavy-load spring in a matching manner; one end of the heavy-load spring is tightly propped against the cylinder body of the rear door oil cylinder, the other end of the heavy-load spring is tightly propped against the piston rod head of the rear door oil cylinder, and the piston rod of the rear door oil cylinder always keeps an external force extending outwards under the elastic action of the heavy-load spring; the rear door loosening and locking mechanism also comprises a first pull rod and a second pull rod which are arranged on one side of a piston rod head of the rear door oil cylinder in a matching manner; one end of the first pull rod is hinged to a piston rod head of the rear door oil cylinder, and the other end of the first pull rod is hinged to a rear door frame of a storage bin of the garbage compression box; one end of the second pull rod is hinged to a piston rod head of the rear door oil cylinder and one end, close to the rear door oil cylinder, of the first pull rod, and the other end of the second pull rod is hinged to one end, close to the rear door oil cylinder, of the rear door locking fork plate; the first pull rod and the second pull rod drive the jaw end of the back door locking jaw plate to swing anticlockwise or clockwise under the driving of the piston rod of the back door oil cylinder so as to push a back door pin shaft corresponding to the back door of the garbage compression box to move up and down, so that the whole back door of the garbage compression box moves up and down to realize opening or locking.
The back door of rubbish compression case relax locking mechanism, wherein: the rear door oil cylinder is horizontally arranged at the rear end of the storage bin in a matched manner; an oil cylinder support is hinged to the tail end of the cylinder body of the rear door oil cylinder and fixed to the rear end of the storage bin, and a connecting pin shaft is fixedly mounted on a piston rod head of the rear door oil cylinder; one end of the first pull rod and one end of the second pull rod are hinged with the connecting pin shaft which is arranged on a piston rod head of the rear door oil cylinder in a matching mode.
The back door of rubbish compression case relax locking mechanism, wherein: the rear door loosening and locking mechanism also comprises a pull rod fixing seat fixedly arranged on the rear door frame in a matching manner; the other end of the first pull rod is hinged to the pull rod fixing seat.
The back door of rubbish compression case relax locking mechanism, wherein: the rear door loosening and locking mechanism further comprises a hook plate, and the hook plate comprises an upper hook plate and a lower hook plate; the tail ends of the upper hook plate and the lower hook plate are matched and fixed at the rear end of the storage bin, and the head ends of the upper hook plate and the lower hook plate are respectively matched and connected with the corresponding rear door pin shaft on the rear box door.
Has the advantages that:
the utility model discloses rubbish compression case and back door release locking mechanism structural design is simple, reasonable, especially match the cover and establish heavy load spring on the piston rod that is located the cylinder body outside of back door hydro-cylinder, can make the piston rod of back door hydro-cylinder keep an external force that stretches out all the time through heavy load spring, jolt (because the clearance that spare part installation problem or spare part wearing and tearing problem produced) lead to the piston rod of back door hydro-cylinder not independently flexible in the transportation under the hydraulic system decompression condition, back door hydro-cylinder piston rod pole head slides the condition that the straight line between the pin joint of pull rod fixing base and first pull rod and second pull rod and back door lock fork board enters one side of opening takes place; meanwhile, the relationship between the rear door oil cylinder and the rear door locking fork plate can be changed from the former direct connection into the indirect connection through the first pull rod and the second pull rod by additionally arranging the first pull rod and the second pull rod, so that the triangular relationship between three points of a connecting point of the first pull rod and a rear door frame of the rear door, a piston rod head of the rear door oil cylinder and a connecting point of the second pull rod and the rear door locking fork plate is formed, and the first pull rod and the second pull rod drive a fork port end of the rear door locking fork plate to swing anticlockwise or clockwise under the driving of a piston rod of the rear door oil cylinder so as to push a corresponding rear door pin shaft on the rear door of the garbage compression box to move up and down, so that the rear door of the garbage compression box integrally moves up and down to realize opening or locking. The utility model discloses use safe and reliable, it keeps the locking state to need not hydraulic system to continue to provide the high pressure after the action of closing the door is accomplished to the back door hydro-cylinder, extension hydraulic pressure lock life, when avoiding leaking because of the rubbish sewage that the hydraulic system trouble leads to, also can avoid taking place because of the extreme accidental condition that back chamber door was opened in the transport under the condition that the outer thrust of rubbish in the emptying case disappears to the back chamber door and the hydraulic system also became invalid.
Drawings
FIG. 1 is a front view of the garbage compressing box of the present invention;
FIG. 2 is an enlarged view of the area A of FIG. 1 of the trash compactor of the present invention;
FIG. 3 is a schematic view of the back door release locking mechanism of the garbage compression box of the present invention in an open state;
FIG. 4 is a schematic view of the back door release locking mechanism of the garbage compression box of the present invention in a locked state;
fig. 5 is a schematic diagram of the garbage compressing box of the present invention applied to a vehicle.
Detailed Description
As shown in fig. 1 to 2, the garbage compression box of embodiment 1 of the present invention includes a bottom frame 1, a compression box body 2, a turnover feeding mechanism 3 and a back door release locking mechanism 4.
The underframe 1 is arranged at the bottom of the garbage compression box.
The compression box body 2 is fixedly arranged on the underframe 1 and comprises a storage bin 21, a feeding bin 22, a compression bin 23, a front box plate 24 and a rear box door 25. The storage bin 21 is integrally of a cuboid box-shaped structure, a large containing space is arranged in the storage bin, a rear door frame 210 is arranged at the rear end in a matching mode, and rollers 211 are arranged at the bottom of the storage bin; the storage bin 21 can facilitate the transportation of the garbage compression box through the rollers 211; the feeding bin 22 is positioned at the front end of the storage bin 21, and the outer wall of the front end of the feeding bin is provided with a hanging nose, so that the garbage compression bin can be moved or carried by drawing the hanging nose when the garbage compression bin needs to be carried away; the compression bin 23 is arranged at the lower side of the feeding bin 22, and the interior of the compression bin is communicated with the feeding bin 22 and is provided with a compression device; the front box plate 24 is arranged at the front end part of the compression bin 23, and the middle part of the front box plate 24 is provided with an access door; the rear door 25 is arranged at the rear end of the storage bin 21 and the top end of the rear door is hinged with the top end of the rear door frame 210 of the storage bin 21 through a rear door hanging shaft 250; the rear door 25 can be opened and closed, and a first rear door pin shaft 251, a second rear door pin shaft 252 and a third rear door pin shaft 253 are sequentially arranged on the opposite door frames from top to bottom in a matched manner.
The inverting feed mechanism 3 is installed between the upper end outside of the feed bin 22 of the compression box 2 and the upper end outside of the front box plate 24.
The rear door loosening and locking mechanisms 4 are provided with two groups and are respectively installed at the lower sides of the rear ends of the left side and the right side of the storage bin 21 of the compression box body 2 in a matching way; each set of rear door release and lock mechanism 4 includes a rear door cylinder 41, a hook plate 42, a pull rod fixing seat 43, a rear door locking fork plate 44, a first pull rod 45 and a second pull rod 46. The back door oil cylinder 41 is horizontally arranged, the tail end of the cylinder body is hinged with an oil cylinder support 411, the oil cylinder support 411 is fixed on the outer wall of the lower side of the back end of the storage bin 21, and a connecting pin shaft is fixedly arranged at a piston rod head of the back door oil cylinder 41; the hook plate 42 has a pair including an upper hook plate 421 and a lower hook plate 422; the tail end of the upper hook plate 421 is fixed to the outer wall of the middle part of the rear end of the storage bin 21 in a matching manner, and the head end is provided with a hook groove and is hooked with a corresponding first rear door pin shaft 251 on the rear door 25 through the hook groove; the tail end of the lower hook plate 422 is matched and fixed on the outer wall of the lower part of the rear end of the storage bin 21, and the head end is provided with a hook groove and is hooked with a corresponding second rear door pin shaft 252 on the rear door 25 through the hook groove; the pull rod fixing seat 43 is fixedly arranged on the rear door frame 210 of the storage bin 21 in a matching way; the middle part of the rear door locking fork plate 44 is hinged on the outer wall of the lower part of the rear end of the storage bin 21, one end of the rear door locking fork plate is close to the rear door 25 and is provided with a fork opening, and the other end of the rear door locking fork plate is close to the rear door oil cylinder 41; one end of the rear door locking fork plate 44 is fastened to a corresponding third rear door pin shaft 253 on the rear door 25 through a fork opening. The first pull rod 45 and the second pull rod 46 are arranged up and down; one end of the first pull rod 45 is hinged on the connecting pin shaft of the piston rod head of the rear door oil cylinder 41, and the other end is hinged on one end of the pull rod fixing seat 43; one end of the second pull rod 46 is hinged on the connecting pin shaft of the piston rod head of the rear door oil cylinder 41, and the other end is hinged on one end of the rear door locking fork plate 44 close to the rear door oil cylinder 41; the first pull rod 45 and the second pull rod 46 are hinged to each other through a connecting pin of a rod head of the rear door cylinder 41. Meanwhile, a heavy-duty spring 47 is sleeved on a piston rod positioned outside the cylinder body of the rear door oil cylinder 41; one end of the heavy-duty spring 47 is tightly pressed against one end surface of the rear door cylinder 41, and the other end is tightly pressed against the connecting pin shaft of the piston rod head of the rear door cylinder 41, so that the piston rod of the rear door cylinder 41 always keeps an external force extending outwards through the heavy-duty spring 47.
As shown in fig. 3, the principle of the garbage compression box of embodiment 1 of the present invention when the back door of the garbage compression box is in the open state of the locking mechanism is as follows:
as shown in fig. 3, a1 is a hinge point between the first pull rod 45 and the pull rod fixing seat 43 fixed on the rear door frame 210 of the storage bin 21, a2 is a common hinge point between the first pull rod 45 and the second pull rod 46, and a3 is a hinge point between the second pull rod 46 and the rear door locking fork plate 44;
in the opening state, the hinge point a1 between the pull rod fixing seat 43 and the first pull rod 45, the common hinge point a2 between the first pull rod 45 and the second pull rod 46, and the hinge point a3 between the second pull rod 46 and the rear door locking fork plate 44 are in a triangular relationship of a1, a2 and a3, wherein a2 is located on the right of a straight line between a1 and a 3.
As shown in fig. 4, the principle of the locking state of the back door release locking mechanism of the garbage compression box of embodiment 1 of the present invention is as follows:
as shown in fig. 4, a1 is a connection point between the first pull rod 45 and the pull rod fixing seat 43 fixed on the rear door frame 210 of the storage bin 21, a2 is a common hinge point between the first pull rod 45 and the second pull rod 46, and a3 is a hinge point between the second pull rod 46 and the rear door locking fork plate 44;
under the locking state, the connecting point a1 of the pull rod fixing seat 43 and the first pull rod 45, the piston rod head a2 of the rear door cylinder 41, the hinge point a3 of the second pull rod 46 and the rear door locking fork plate 44, the triangular relationship between these three points a1, a2, a3 is that a2 is to the left of the straight line between a1 and a3, when a2 is in the same line with a1 and a3, the rear door release locking mechanism 4 enters a dead point state, the hydraulic part of the rear door cylinder 41 still serves as a main supplier of locking force, when a2 crosses the dead point and enters the other side of the straight line between a1 and a3, the downward thrust provided by the garbage in the garbage compression box and the weight of the rear box door 25 to the rear box door 25 will make a3 approach to a1, this moves a2 further away from the line between a3 and a1 toward the rear door 25, however, the rear door cylinder 41 runs out at this time, and actually, mechanical locking is realized, and locking is not affected even if the hydraulic system is in a pressure loss state; meanwhile, the heavy-duty spring 47 can keep the piston rod of the back door cylinder 41 always in an external force of extension, so that the situation that the piston rod of the back door cylinder 41 does not automatically extend and retract due to bumping in the transportation process (due to a gap generated by the installation problem of parts or the abrasion problem of parts) under the condition of no pressure of a hydraulic system, and the a2 slides through a straight line between the a1 and the a3 to enter the opening side is avoided.
The utility model discloses embodiment 1's advantage lies in, need not hydraulic system to continue to provide the high pressure and keep the locking state after the action of closing the door is accomplished to the back door hydro-cylinder, prolongs hydraulic pressure lock life, avoids leaking because of the rubbish sewage that hydraulic system trouble leads to.

Claims (10)

1. A garbage compression box comprises a bottom frame, a compression box body and a rear door loosening and locking mechanism; the compression box body is fixedly arranged on the underframe and comprises a storage bin, a feeding bin arranged at the front end of the storage bin, a compression bin arranged on the lower side of the feeding bin, a front box plate arranged at the front end of the compression bin and a rear box door arranged at the rear end of the storage bin; the rear end part of the storage bin is provided with a rear door frame in a matching way; the door frames on two opposite sides of the rear door are provided with rear door pin shafts in a matching way; the rear door loosening and locking mechanism is arranged at the rear end of the storage bin in a matching manner; the rear door loosening and locking mechanism comprises a rear door oil cylinder, a rear door locking fork plate and a hook plate; the rear door oil cylinder is matched and arranged at the rear end of the storage bin; the middle part of the rear door locking fork plate is hinged to the rear end of the storage bin, one end of the rear door locking fork plate is a fork opening end and is connected with the corresponding rear door pin shaft on the rear door in a matching manner, and the other end of the rear door locking fork plate is close to the rear door oil cylinder and is connected with a piston rod head of the rear door oil cylinder; the hook plate is arranged at the rear end of the storage bin in a matching way, and the head end of the hook plate is connected with the corresponding rear door pin shaft on the rear box door in a matching way; the method is characterized in that: a piston rod positioned outside the cylinder body of the rear door oil cylinder is also sleeved with a heavy-load spring in a matching manner; one end of the heavy-load spring is tightly propped against the cylinder body of the rear door oil cylinder, the other end of the heavy-load spring is tightly propped against the piston rod head of the rear door oil cylinder, and the piston rod of the rear door oil cylinder always keeps an external force extending outwards under the elastic action of the heavy-load spring;
the rear door loosening and locking mechanism also comprises a first pull rod and a second pull rod which are arranged on one side of a piston rod head of the rear door oil cylinder in a matching manner; one end of the first pull rod is hinged to a piston rod head of the rear door oil cylinder, and the other end of the first pull rod is hinged to a rear door frame of the storage bin; one end of the second pull rod is hinged to a piston rod head of the rear door oil cylinder and one end, close to the rear door oil cylinder, of the first pull rod, and the other end of the second pull rod is hinged to one end, close to the rear door oil cylinder, of the rear door locking fork plate;
the first pull rod and the second pull rod drive the jaw end of the rear door locking jaw plate to swing anticlockwise or clockwise under the driving of the piston rod of the rear door oil cylinder to push the corresponding rear door pin shaft on the rear door to move up and down, so that the whole rear door moves up and down to realize opening or locking.
2. A trash compactor according to claim 1, wherein: the rear door oil cylinder is horizontally arranged at the rear end of the storage bin in a matched manner;
an oil cylinder support is hinged to the tail end of the cylinder body of the rear door oil cylinder and fixed to the rear end of the storage bin, and a connecting pin shaft is fixedly mounted on a piston rod head of the rear door oil cylinder;
one end of the first pull rod and one end of the second pull rod are hinged with the connecting pin shaft which is arranged on a piston rod head of the rear door oil cylinder in a matching mode.
3. A trash compactor according to claim 1, wherein: the rear door loosening and locking mechanism also comprises a pull rod fixing seat fixedly arranged on the rear door frame in a matching manner; the other end of the first pull rod is hinged to the pull rod fixing seat.
4. A trash compactor according to claim 1, wherein: the rear door loosening and locking mechanism further comprises a hook plate, and the hook plate comprises an upper hook plate and a lower hook plate; the tail ends of the upper hook plate and the lower hook plate are matched and fixed at the rear end of the storage bin, and the head ends of the upper hook plate and the lower hook plate are respectively matched and connected with the corresponding rear door pin shaft on the rear box door.
5. A trash compactor according to claim 1, wherein: the garbage compression box also comprises a turnover feeding mechanism; the turnover feeding mechanism is arranged between the outer part of the upper end of the feeding bin and the outer part of the upper end of the front box plate.
6. A trash compactor according to claim 1, wherein: the bottom of the storage bin is provided with a roller; and a hanging nose is arranged on the outer wall of the front end of the feeding bin.
7. A back door loosening and locking mechanism for a garbage compression box according to any one of claims 1 to 6, which is fittingly installed at the lower side of the rear end of the storage bin of the garbage compression box and comprises a back door cylinder, a back door locking fork plate and a hook plate; the rear door oil cylinder is matched and arranged at the rear end of the storage bin of the garbage compression box; the middle part of the rear door locking fork plate is hinged to the rear end of the storage bin of the garbage compression box, one end of the rear door locking fork plate is a fork opening end and is connected with a corresponding rear door pin shaft on a rear box door of the garbage compression box in a matching mode, and the other end of the rear door locking fork plate is close to the rear door oil cylinder and is connected with a piston rod head of the rear door oil cylinder; the hook plate is arranged at the rear end of the storage bin of the garbage compression box in a matching way, and the head end of the hook plate is connected with the corresponding rear door pin shaft on the rear box door of the garbage compression box in a matching way; the method is characterized in that: a piston rod positioned outside the cylinder body of the rear door oil cylinder is also sleeved with a heavy-load spring in a matching manner; one end of the heavy-load spring is tightly propped against the cylinder body of the rear door oil cylinder, the other end of the heavy-load spring is tightly propped against the piston rod head of the rear door oil cylinder, and the piston rod of the rear door oil cylinder always keeps an external force extending outwards under the elastic action of the heavy-load spring;
the rear door loosening and locking mechanism also comprises a first pull rod and a second pull rod which are arranged on one side of a piston rod head of the rear door oil cylinder in a matching manner; one end of the first pull rod is hinged to a piston rod head of the rear door oil cylinder, and the other end of the first pull rod is hinged to a rear door frame of a storage bin of the garbage compression box; one end of the second pull rod is hinged to a piston rod head of the rear door oil cylinder and one end, close to the rear door oil cylinder, of the first pull rod, and the other end of the second pull rod is hinged to one end, close to the rear door oil cylinder, of the rear door locking fork plate;
the first pull rod and the second pull rod drive the jaw end of the back door locking jaw plate to swing anticlockwise or clockwise under the driving of the piston rod of the back door oil cylinder so as to push a back door pin shaft corresponding to the back door of the garbage compression box to move up and down, so that the whole back door of the garbage compression box moves up and down to realize opening or locking.
8. The trash compactor rear door release locking mechanism as in claim 7, further comprising: the rear door oil cylinder is horizontally arranged at the rear end of the storage bin in a matched manner; an oil cylinder support is hinged to the tail end of the cylinder body of the rear door oil cylinder and fixed to the rear end of the storage bin, and a connecting pin shaft is fixedly mounted on a piston rod head of the rear door oil cylinder; one end of the first pull rod and one end of the second pull rod are hinged with the connecting pin shaft which is arranged on a piston rod head of the rear door oil cylinder in a matching mode.
9. The trash compactor rear door release locking mechanism as in claim 7, further comprising: the rear door loosening and locking mechanism also comprises a pull rod fixing seat fixedly arranged on the rear door frame in a matching manner; the other end of the first pull rod is hinged to the pull rod fixing seat.
10. The trash compactor rear door release locking mechanism as in claim 7, further comprising: the rear door loosening and locking mechanism further comprises a hook plate, and the hook plate comprises an upper hook plate and a lower hook plate; the tail ends of the upper hook plate and the lower hook plate are matched and fixed at the rear end of the storage bin, and the head ends of the upper hook plate and the lower hook plate are respectively matched and connected with the corresponding rear door pin shaft on the rear box door.
CN201921933088.7U 2019-11-11 2019-11-11 Garbage compression box and back door loosening and locking mechanism thereof Active CN211337425U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921933088.7U CN211337425U (en) 2019-11-11 2019-11-11 Garbage compression box and back door loosening and locking mechanism thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921933088.7U CN211337425U (en) 2019-11-11 2019-11-11 Garbage compression box and back door loosening and locking mechanism thereof

Publications (1)

Publication Number Publication Date
CN211337425U true CN211337425U (en) 2020-08-25

Family

ID=72136442

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921933088.7U Active CN211337425U (en) 2019-11-11 2019-11-11 Garbage compression box and back door loosening and locking mechanism thereof

Country Status (1)

Country Link
CN (1) CN211337425U (en)

Similar Documents

Publication Publication Date Title
CN205282529U (en) Storage battery box
CN201012836Y (en) Secondary compression type garbage compressor arrangement
CN103587864B (en) A kind of detachable compression dustbin
CN211337425U (en) Garbage compression box and back door loosening and locking mechanism thereof
AU2007231649B2 (en) Open-close mode and device for bottom discharging door
CN210762482U (en) Crank rocker uncovering carriage and special vehicle
CN203739716U (en) Hydraulic locking and unlocking device for carriage rear door
CN106005844A (en) Multifunctional compression-type butt joint garbage truck
CN211337424U (en) Garbage compression box and back door loosening and locking mechanism thereof
CN203529233U (en) Detachable compression dustbin
CN204958303U (en) Novel large -tonnage fork truck sanitation accessory
CN202944240U (en) Rollover type dump trailer
CN202784474U (en) Garbage compressor
CN208498344U (en) A kind of Vehicular rubbish case
CN208470685U (en) A kind of rear turning type turns over ladle car rear cover of box mechanism
CN215045822U (en) Side-hung compression type garbage truck rear door locking structure
CN206367759U (en) A kind of rear-loading compression type garbage truck precompressor rear sealing cover opening and closing device
CN216334406U (en) Rear door lifting and locking mechanism and garbage transfer vehicle comprising same
CN214728393U (en) Stable self-discharging semitrailer rolls on one's side
CN112477726B (en) Hidden type opening and closing self-locking device for rear door of self-discharging semitrailer
CN220641210U (en) Rear door opening structure of garbage compression box and garbage compression box
CN216425399U (en) Automatic cover opening device of overhead type puffing tank
CN205972567U (en) Garbage compressor
CN220411633U (en) Compression garbage truck
CN220955201U (en) Hydraulic tail gate system

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant