CN102935918A

CN102935918A - Rotary type locking device of garbage container

Info

Publication number: CN102935918A
Application number: CN2012104396846A
Authority: CN
Inventors: 方庆森
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-11-06
Filing date: 2012-11-06
Publication date: 2013-02-20

Abstract

The invention discloses a rotary type locking device of a garbage container. The device is connected to a locking cylinder and is used for fixing and pressing tightly a covering plate of the garbage container to a box. The device comprises a latch hook and a bushing. The latch hook comprises a hook claw and a hook rod. One end of the hook rod is fixed to the hook claw, the other end of the hook rod is connected to a cylinder, the hook rod penetrates into the bushing, the bushing is fixed to the box, a guide post is arranged on the hook rod, a spiral guide groove is arranged on the inner wall of the bushing axially, and the guide post is located in the guide groove and can move along the guide groove. By the aid of the technical field, when the hook rod is pulled to move back and forth, the guide post moves back and forth along the guide groove. The device is simple in structure and good in locking performance. The cylinder exerts the pushing force or the pulling force to the latch hook directly, other transmission members are not used, then the problem that transmission members are easy to deform and damage does not exist and the service life is long.

Description

The garbage container rotary locking device

Technical field

The present invention relates to the box door locking mechanism of garbage container, particularly a kind of garbage container rotary locking device.

Background technology

House refuse all was to adopt waste-skip to transport to the suburb at a distance from the urban district in the past, and the secondary pollution phenomenon that drip, leak, raise, spread etc. caused is especially serious.Therefore be necessary rubbish is carried out transporting behind the pretreatment again.Both at home and abroad generally be now just to concentrate in the collecting box of the rubbish trash compactor of falling people of transhipment station, repetitive process through 2-3 time " toppling over-push-topple over again " is squeezed into the high density bulk to loose rubbish, and behind the elimination moisture, then be transported to destructor plant and finally process.After the compression of general house refuse structure, volume nearly can reduce 2/3rds, has improved thus bicycle rubbish carrying capacity, has both reduced traffic cost, has also avoided secondary pollution.The development of external this respect is carried out early, and is also trying to explore at present in the Some Domestic city, and what have has a better effect and economic benefit.Wideling popularize garbage-compressing is that environmental sanitation is processed a kind of trend that develops from now on, also is the focus that Mechanical Manufacturing Enterprises is developed new product.Some device fabrications company has developed some trash compactors.Trash compactor is that a kind of compression set by HYDRAULIC CONTROL SYSTEM compresses the rubbish in the collecting box, to reduce the machinery of garbage bulk.Trash compactor realizes that garbage-compressing subtracts one of major equipment of appearance, also is the main treatment facility of refuse transfer station.For avoiding sewage in the collecting box from the junction seepage of cover plate and casing, between cover plate and casing, sealing arrangement to be set.Normally in the junction of casing and cover plate sealing joint strip is installed, the use latching device applies certain pressure cover plate is pressed on the sealing joint strip, thereby reaches the effect of sealing and anti-leakage.Chinese patent 200620060270.2 discloses a kind of box door locking mechanism that uses as shown in Figure 1 the ratchet manual locking.This device has been exempted operating personal and has been opened or closed the chamber door trouble that chamber door carries out the bilateral operation that must detour, thereby simple in structure, easy to use, can increase work efficiency.But this device still needs the staff to use handle that ratchet is operated at the chamber door place when opening or closing chamber door, wastes time and energy, and intensity of workers is very large.Chinese patent 200520088453.0 discloses a kind of box door locking mechanism that uses as shown in Figure 2 oil cylinder locking, has solved this problem.This device replaces the M/C ratchet to come the back door is locked with hydrostatic drive, has saved a large amount of time and manpower, has greatly alleviated staff's labour intensity.Yet owing to having used a plurality of transmission components such as oil cylinder swing arm, work swing arm, these transmission components in use often are out of shape and damage.The deficiencies such as therefore still there is complex structure in this device, and service life is not long.

Summary of the invention

The purpose of this invention is to provide a kind of garbage container rotary locking device.

According to an aspect of the present invention, provide with locking cylinder and be connected, be used for garbage container rotary locking device on the casing is fixed and be pressed on to the cover plate of garbage container.Wherein, this device comprises latch hook and sleeve pipe.Latch hook comprises hook and shank.Shank one end and hook are fixed, and the other end is connected with oil cylinder.Shank is arranged in the sleeve pipe, and sleeve pipe and casing are fixed.Shank is provided with guidepost, and internal surface of sleeve pipe is provided with helical guide slot vertically.Guidepost is positioned at guide groove and can moves along guide groove.Adopt the garbage container rotary locking device of above technical scheme, when oil cylinder pulling shank moved forward and backward in sleeve pipe, guidepost moved forward and backward along guide groove.Because guide groove twist, take the line of centers of shank as axle rotates, the hook that is fixed on the shank also rotates take the line of centers of shank as axle shank in mobile.During locking, first cover plate is covered on casing, then oil cylinder pulls back shank, and shank rotates when moving backward, and the hook head rotates to cover plate one side, and last hook presses on the cover board, makes cover plate and box sealing.During unlatching, oil cylinder promotes forward shank, and shank rotates when moving forward, and hook leaves cover plate, and the hook head is to rotating away from a side of cover plate, and final hook can not block cover plate.This moment, cover plate can smooth opening.This apparatus structure is simple, and locking property is good, and this device by oil cylinder directly to latch hook applied thrust or pulling force, other transmission components are not used in the centre, do not have the problem that drive disk assembly is yielding and damage, thus longer service life.

In some embodiments, guide groove comprises smooth and spiral part, and spiral part is 1/4th circle spirals.Thus, shank does not rotate in the process that cover plate locking or when opening, guidepost move along smooth, and shank just rotates 90 degree in the process that guidepost moves along spiral part.

In some embodiments, the smooth of guide groove is positioned at sleeve pipe near oil cylinder one side, and spiral part is positioned at sleeve pipe near hook one side.When locking, guidepost moves along the spiral part of guide groove first, makes hook turn to the predetermined direction of locking state, and the smooth along guide groove moves again, makes the hook straight-line motion, until press on the cover board, makes cover plate and box sealing.When opening, guidepost moves along the smooth of guide groove first, makes hook leave cover plate along straight line, and the spiral part along guide groove moves again, makes hook turn to the predetermined direction of opening.In the process of cover plate locking and unlatching, do not rub between hook and the cover plate thus, avoided because the frictional loss between hook and the cover plate causes effectively locking cover plate.

In some embodiments, guidepost is equipped with pulley, and pulley is coaxial with guidepost.Thus, the movement of guidepost in guide groove is more smooth and easy.

In some embodiments, shank is provided with connector, and connector is connected with the piston of oil cylinder.

In some embodiments, sleeve pipe is provided with two or three guide grooves.The number of guidepost is corresponding with the quantity of described guide groove.Two or three guideposts act on the shank simultaneously, make guidepost and shank stressed evenly, can prolong the service life of part.

Description of drawings

Fig. 1 is the latching device of the garbage container of existing use hinge.

Fig. 2 is the garbage container latching device of existing use oil cylinder.

The schematic diagram of the garbage container rotary locking device of Fig. 3 an embodiment of the present invention.

Fig. 4 uses the schematic diagram of the latching device of garbage container rotary locking device shown in Figure 3.

Fig. 5 is the structural representation of latch hook shown in Figure 3.

Fig. 6 is the structural representation of sleeve pipe shown in Figure 3.

The specific embodiment

Below in conjunction with accompanying drawing invention is described in further detail.

Fig. 3 to Fig. 6 has schematically shown according to one embodiment of the present invention garbage container rotary locking device.As shown in the figure, this device comprises latch hook 3 and sleeve pipe 4.Latch hook 3 comprises hook 31 and shank 32.Shank 32 1 ends and hook 31 are fixing, and the other end is provided with connector 33.Connector 33 is connected with the piston of oil cylinder 5.Shank 32 is arranged in the sleeve pipe 4, and sleeve pipe 4 is fixing with casing 2.Radially be provided with three guideposts 321 on the shank 32, guidepost 321 is equipped with the pulley coaxial with it 6.Sleeve pipe 4 is provided with three helical guide slot 41 vertically.Guide groove 41 comprises straight shape 411 parts and spiral part 412, and spiral part 412 is 1/4th circle spirals.The smooth 411 of guide groove 41 is positioned at sleeve pipe 4 near oil cylinder 5 one sides, and spiral part 412 is positioned at sleeve pipe 4 near hook 31 1 sides.Guidepost 321 is positioned at guide groove 41 and can moves along guide groove 41.In other embodiment, shank 32 can also arrange two guideposts 321, and sleeve pipe 4 can also arrange two guide grooves 41.

Adopt the garbage container rotary locking device of above technical scheme, when oil cylinder 5 pulling shanks 32 move forward and backward in sleeve pipe 4, guidepost 321 41 rear movements before the guide groove.Because the spiral part 412 of guide groove 41 is 1/4th circle spirals, shank 32 line of centers take shank 32 in mobile rotates as 90 degree occur axle, and the hook 31 that is fixed on the shank 32 also and then rotates 90 degree.During locking, first cover plate 1 is covered on casing 2, then oil cylinder 5 pulls back shank 32, guidepost 321 moves along the spiral part 412 of guide groove 41 first, making hook 31 rotate 90 spends to horizontal direction, smooth 411 along guide groove 41 moves again, makes hook 31 straight-line motions until be pressed on the cover plate 1, makes cover plate 1 and casing 2 sealings.During unlatching, oil cylinder 5 promotes forward shank 32, and guidepost 321 moves along the smooth 411 of guide groove 41 first, makes hook 31 leave cover plate 1 along straight line, and the spiral part 412 along guide groove 41 moves again, makes hook 31 rotate 90 and spends to vertical direction.This moment, hook 31 can not block cover plate 1.This moment, cover plate 1 can smooth opening.

Above-described only is some embodiments of the present invention.For the person of ordinary skill of the art, under the prerequisite that does not break away from the invention design, can also make some distortion and improvement, these all belong to the protection domain of invention.

Claims

1. garbage container rotary locking device, wherein, comprise latch hook and sleeve pipe, described latch hook comprises hook and shank, and described shank one end and described hook are fixed, and described shank is arranged in the described sleeve pipe, described shank is provided with guidepost, and described internal surface of sleeve pipe is provided with helical guide slot vertically, and described guidepost is positioned at described guide groove and can moves along guide groove.

2. garbage container rotary locking device according to claim 1, wherein, described guide groove comprises smooth and spiral part, described spiral part is 1/4th circle spirals.

3. garbage container rotary locking device according to claim 2, wherein, described smooth is positioned at described sleeve pipe near oil cylinder one side, and spiral part is positioned at described sleeve pipe near hook one side.

4. according to claim 1 to 3 each described garbage container rotary locking devices, wherein, described guidepost is equipped with pulley, and described pulley is coaxial with described guidepost.

5. garbage container rotary locking device according to claim 1, wherein, described shank is provided with connector, and described connector is connected with the piston of described oil cylinder.

6. garbage container rotary locking device according to claim 1, wherein, described sleeve pipe is provided with two or three described guide grooves, and the number of described guidepost is corresponding with the quantity of described guide groove.