CN207312347U - One kind can automatically reset dustbin leakage fluid dram headstock gear - Google Patents

One kind can automatically reset dustbin leakage fluid dram headstock gear Download PDF

Info

Publication number
CN207312347U
CN207312347U CN201720803440.XU CN201720803440U CN207312347U CN 207312347 U CN207312347 U CN 207312347U CN 201720803440 U CN201720803440 U CN 201720803440U CN 207312347 U CN207312347 U CN 207312347U
Authority
CN
China
Prior art keywords
drive
rod
mandril
valve rod
opening
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.)
Withdrawn - After Issue
Application number
CN201720803440.XU
Other languages
Chinese (zh)
Inventor
陈彪
孙会桃
袁娇娇
袁园
陆禹
王辰
张恒
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.)
Yangzhou Jinwei Environmental Protection Technology Co Ltd
Original Assignee
Yangzhou Jinwei Environmental Protection Technology 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 Yangzhou Jinwei Environmental Protection Technology Co Ltd filed Critical Yangzhou Jinwei Environmental Protection Technology Co Ltd
Priority to CN201720803440.XU priority Critical patent/CN207312347U/en
Application granted granted Critical
Publication of CN207312347U publication Critical patent/CN207312347U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Sliding Valves (AREA)

Abstract

Can automatically reset dustbin leakage fluid dram headstock gear the utility model discloses one kind in refuse compaction equipment technical field, include the keying plate of the drain pipe for opening and closing the bottom of box, further include drive rod, balancing pole, reference for installation block, valve rod, resetting spring, balance free bearing, keying drive component;Valve rod can be installed on to line activities on reference for installation block and pass through installation cavity, valve rod is equipped with against flange, resetting spring one end against flange with offseting, the resetting spring other end offsets with installation cavity wall, and when keying plate seals drain pipe completely, recline installation cavity inner wall position just against flange;Valve rod one end is connected with opening and closing plate, and the valve rod other end is hinged with drive rod;Drive rod connecting pin, balancing pole, balance free bearing are hinged successively, and drive rod drive end is sequentially connected with opening and closing drive component.It is very convenient to open or close keying plate, and may be such that opening and closing plate can automatically reset in order to seal drain pipe.

Description

One kind can automatically reset dustbin leakage fluid dram headstock gear
Technical field
Refuse compaction equipment technical field is the utility model is related to, it is more particularly to a kind of to be used to open and close the discharge opeing of dustbin bottom The headstock gear of mouth.
Background technology
In the past, the headstock gear setting for opening and closing dustbin bottom leakage fluid dram is very simple, is exactly under drain pipe End pipe mouth sets a keying plate, when needing discharge to collect in the pressing filtering liquid of dustbin bottom, can unlock keying plate, opening opens Butt tube, is then connected on drain pipe to recycle the pressing filtering liquid in dustbin by closing plate.But open and close plate in a flash opening, Pressing filtering liquid can be because drain pipe be gone out in dead weight, and careless slightly to produce secondary pollution, use is very troublesome, closes and opens and closes plate It is very troublesome.
Utility model content
The purpose of this utility model be to provide one kind can automatically reset dustbin leakage fluid dram headstock gear, open or close It is very convenient to open and close plate, and may be such that opening and closing plate can automatically reset in order to seal drain pipe.
What the purpose of this utility model was realized in:One kind can automatically reset dustbin leakage fluid dram headstock gear, bag The keying plate of the drain pipe for opening and closing the bottom of box is included, further includes drive rod, balancing pole, reference for installation block, valve rod, reset bullet Spring, further includes the balance free bearing installed in bottom of box outer wall, further includes keying drive component;The reference for installation block is installed on Bottom of box outer wall, the reference for installation block are equipped with installation cavity, and the valve rod can be installed on to line activities on reference for installation block And installation cavity is passed through, the resetting spring is sleeved on valve rod and in installation cavity, and the valve rod is equipped with against flange, institute Resetting spring one end is stated with offseting against flange, the resetting spring other end offsets with installation cavity wall, and when keying plate When sealing drain pipe completely, the installation cavity inner wall position that reclines just against flange;The valve rod both ends are in installation cavity Outside, described valve rod one end is connected with opening and closing plate, and the valve rod other end is hinged with drive rod;Described drive rod one end is company End is connect, the drive rod other end is drive end, and the drive rod connecting pin, balancing pole, balance free bearing are hinged successively, the drive Lever drive end is sequentially connected with opening and closing drive component.
During utility model works, keying plate need to be such as opened, drive rod drive end is withstood using drive component is opened and closed, makes Drive rod rotation is obtained, while drive rod rotates, drive rod pulls valve rod so that being compressed against flange for valve rod resets bullet Spring so that resetting spring puts aside elastic potential energy;When needing using opening and closing plate and sealing drain pipe, using opening and closing drive component pine Drive rod drive end is opened, under the elastic restoring force effect of resetting spring, valve rod can be moved with plate is opened and closed, so that opening Closing plate seals drain pipe, and when abutting against installation cavity against flange, valve rod, open and close plate stopping movement, opens and closes the plate row of sealing completely Liquid pipe, keying plate can seal drain pipe well under the elastic force effect of resetting spring, so as to complete to lock the position for opening and closing plate It is fixed.
Compared with prior art, the beneficial effects of the utility model are:First, it is very square to open or close keying plate Just, without keying plate can be opened or closed close to keying plate;Second, when needing using opening and closing plate and sealing drain pipe, as long as Drive rod drive end is unclamped using drive component is opened and closed, may be such that opening and closing plate can automatically reset in order to seal drain pipe, together When open and close plate position can also be locked.
As further improvement of the utility model, the keying drive component includes hydraulic cylinder, mandril, axle sleeve, activity Lock core, auxiliary stopper frame, side free bearing;The hydraulic cylinder, auxiliary stopper frame, side free bearing are installed in bottom of box outer wall;It is described Mandril one end is hinged on the free bearing of side, and the mandril other end is flexibly connected as free end with drive rod drive end, the liquid The piston-rod end of cylinder pressure is hinged with mandril, and the mandril is equipped with oval pore structure, its length direction and mandril length The consistent slide opening in direction is spent, the auxiliary stopper frame is equipped with the cunning that linearly extended and valve rod activity direction matches Road, the axle sleeve is slidably mounted on auxiliary stopper frame and coordinates with slideway activity, and the axle sleeve activity is installed on In the slide opening of mandril;The flexible lock core can be installed on axle sleeve up and downly, and the flexible lock core is up and down through whole A axle sleeve;The auxiliary stopper frame is equipped with a lockhole on slideway, can be inserted into flexible lock core, when keying plate is through moving During the dynamic drain pipe of deblocking completely, the flexible lock core lower end position is just corresponding with lockhole and is inserted into lockhole;The keying Drive component is equipped with the unlocking mechanism that flexible lock core can be ejected to lockhole, and the unlocking mechanism is in immediately below lockhole.The program The advantages of be that, when opening and closing plate and be in open mode, opening and closing the position of plate can obtain being locked so that keying plate can be kept Open mode, when needing to drive keying plate to seal drain pipe, and can unlock keying plate and keying plate is successfully sealed Drain pipe.When needing to drive keying plate deblocking drain pipe, mandril is driven using the piston rod of hydraulic cylinder, mandril free end is withstood Drive rod drive end, so as on valve rod against flange compression reseting spring;Meanwhile mandril is moved with axle sleeve, axle sleeve Along slideway into line slip, when opening and closing plate through the mobile drain pipe of deblocking completely, axle sleeve slides onto lockhole under the drive of mandril Position, flexible lock core lower end position is just corresponding with lockhole, flexible lock core can because conduct oneself with dignity it is automatic fall, and cause active lock In core lower end insertion lockhole, the position of axle sleeve is locked, so as to lock the position of mandril, mandril can continue to withstand drive rod driving End, has pinned drive rod, valve rod, to restrain the elastic restoring force of resetting spring, so as to lock keying plate equivalent to using mandril Position so that open and close plate be able to maintain that in open mode.When needing to drive keying plate to seal drain pipe, unlocking mechanism will be living Movable lock core ejects lockhole, and under the elastic restoring force effect of resetting spring, valve rod is moved with drive rod, drive rod driving Withstand mandril free end in end so that mandril free end rotates, while the piston rod of hydraulic cylinder carries out adapting to sexual act to adapt to push up The rotational trajectory of bar, mandril drive axle sleeve to be slided on slideway so that position of the flexible lock core away from lockhole.
As further improvement of the utility model, the mandril free end is equipped with linearly extended, its extending direction The limit sliding chutes consistent with the length direction of mandril, the drive rod drive end are movably arranged in limit sliding chutes and can be along Limit sliding chutes are slided.The movement locus of drive rod drive end can be limited.
As further improvement of the utility model, the unlocking mechanism includes solution lock cylinder, for jacking up flexible lock core Solution lock against block, it is described solution lock cylinder cylinder barrel be installed on auxiliary stopper frame on, it is described solution lock cylinder piston rod set upward, The solution lock against block is installed on the piston-rod end and face lockhole of solution lock cylinder.Solving lock against block can be under the driving of solution lock cylinder Up-and-down reciprocating movement is carried out, so as to which flexible lock core is ejected lockhole.
As further improvement of the utility model, the flexible lock core lower end is rotatably mounted with antifriction wheel.Can be big The big relative friction effect for mitigating flexible lock core and slideway, so that axle sleeve can be moved swimmingly on auxiliary stopper frame.
Brief description of the drawings
Fig. 1 is the principle concept figure of the utility model.
Fig. 2 looks down layout for keying drive component.
Fig. 3 is fitting arrangement of the utility model in the bottom of box.
Fig. 4 is the lockup state figure of flexible lock core.
Fig. 5 is the mobile status figure of flexible lock core.
Wherein, 1 drive rod, 2 balancing poles, 3 reference for installation blocks, 3a installation cavitys, 4 valve rods, 4a is against flange, 5 resetting springs, 6 open and close plate, 7 hydraulic cylinders, 8 mandrils, 8a limit sliding chutes, 8b slide openings, 9 axle sleeves, 10 flexible lock cores, 10a antifriction wheels, 11 auxiliary stoppers Frame, 11a lockholes, 11b slideways, 12 side free bearings, 13 babinets, 14 drain pipes, 15 solution lock cylinders, 16 solution lock against blocks, 17 balance free bearings.
Embodiment
As shown in Figs. 1-3, one kind can automatically reset dustbin leakage fluid dram headstock gear, including for opening and closing 13 bottom of babinet The keying plate 6 of the drain pipe 14 in portion, further includes drive rod 1, balancing pole 2, reference for installation block 3, valve rod 4, resetting spring 5, also wraps The balance free bearing 17 installed in 13 bottom outer wall of babinet is included, further includes keying drive component;Reference for installation block 3 is installed on babinet 13 Bottom outer wall, reference for installation block 3 are equipped with installation cavity 3a, and valve rod 4 can be installed on to line activities on reference for installation block 3 and pass through peace Behave affectedly 3a, and resetting spring 5 is sleeved on valve rod 4 and in installation cavity 3a, and valve rod 4 is equipped with against flange 4a, resetting spring 5 With offseting against flange 4a, 5 other end of resetting spring offsets with installation cavity 3a inner walls for one end, and is sealed completely when opening and closing plate 6 During drain pipe 14, recline just installation cavity 3a inner wall positions against flange 4a;4 both ends of valve rod are in outside installation cavity 3a, valve 4 one end of bar is connected with opening and closing plate 6, and 4 other end of valve rod is hinged with drive rod 1;1 one end of drive rod is connecting pin, and drive rod 1 is another One end is drive end, and 1 connecting pin of drive rod, balancing pole 2, balance free bearing 17 are hinged successively, and 1 drive end of drive rod drives with opening and closing Component is sequentially connected.
Such as needing to open and open and close plate 6,1 drive end of drive rod is withstood using drive component is opened and closed so that drive rod 1 rotates, While drive rod 1 rotates, drive rod 1 pulls valve rod 4 so that valve rod 4 against flange 4a compression reseting springs 5 so that Resetting spring 5 puts aside elastic potential energy;When needing using opening and closing plate 6 and sealing drain pipe 14, unclamped using drive component is opened and closed 1 drive end of drive rod, under the elastic restoring force effect of resetting spring 5, valve rod 4 can be moved with plate 6 is opened and closed, so that Open and close plate 6 and seal drain pipe 14.
With reference to shown in Fig. 2,4,5, above-mentioned keying drive component includes hydraulic cylinder 7, mandril 8, axle sleeve 9, flexible lock core 10, auxiliary Help position-limited rack 11, side free bearing 12;Hydraulic cylinder 7, auxiliary stopper frame 11, side free bearing 12 are installed in 13 bottom outer wall of babinet;Mandril 8 One end is hinged on side free bearing 12, and 8 other end of mandril is flexibly connected as free end with 1 drive end of drive rod, the work of hydraulic cylinder 7 Stopper rod end is hinged with mandril 8, and mandril 8 is equipped with oval pore structure, its length direction and mandril 8 length direction phase one The slide opening 8b of cause, auxiliary stopper frame 11 are equipped with the slideway 11b that linearly extended and valve rod 4 activity direction matches, axle sleeve 9 are slidably mounted on auxiliary stopper frame 11 and coordinate with slideway 11b activities, and 9 activity of axle sleeve is installed on the cunning of mandril 8 In the 8b of hole;Flexible lock core 10 can be installed on axle sleeve 9 up and downly, and flexible lock core runs through whole axle sleeve 9 about 10;It is auxiliary Position-limited rack 11 is helped to be equipped with a lockhole 11a on slideway 11b, can be inserted into flexible lock core 10, when keying plate 6 is through movement When unsealing drain pipe 14 completely, 10 lower end position of flexible lock core is just corresponding with lockhole 11a and is inserted into lockhole 11a;Open and close Drive component is equipped with the unlocking mechanism that flexible lock core 10 can be ejected to lockhole 11a, and unlocking mechanism is in immediately below lockhole 11a.
When needing to drive keying plate 6 to unseal drain pipe 14, mandril 8 is driven using the piston rod of hydraulic cylinder 7, mandril 8 is certainly 1 drive end of drive rod is withstood by end, so as on valve rod 4 against flange 4a compression reseting springs 5;Meanwhile mandril 8 is with axle sleeve 9 are moved, and axle sleeve 9 is along slideway 11b into line slip, and when opening and closing plate 6 through the mobile drain pipe 14 of deblocking completely, axle sleeve 9 exists The position of lockhole 11a is slid onto under the drive of mandril 8,10 lower end position of flexible lock core is just corresponding with lockhole 11a, active lock Core 10 can be because of automatic whereabouts of conducting oneself with dignity, and causes in the insertion lockhole 11a of 10 lower end of flexible lock core, has locked the position of axle sleeve 9, so that Lock the position of mandril 8, mandril 8 can continue to withstand 1 drive end of drive rod, equivalent to using mandril 8 pinned drive rod 1, Valve rod 4, to restrain the elastic restoring force of resetting spring 5, so as to lock the position for opening and closing plate 6 so that open and close plate 6 and be able to maintain that Open mode.When needing to drive keying plate 6 to seal drain pipe 14, flexible lock core 10 is ejected lockhole 11a by unlocking mechanism so that The position of flexible lock core 10 is corresponding with slideway 11b, and under the elastic restoring force effect of resetting spring 5, valve rod 4 is with drive rod 1 is moved, and 1 drive end of drive rod withstands 8 free end of mandril so that 8 free end of mandril rotates, while the piston of hydraulic cylinder 7 Bar adapt to sexual act to adapt to the rotational trajectory of mandril 8, and mandril 8 drives axle sleeve 9 to be slided on slideway 11b so that activity Position of the lock core 10 away from lockhole 11a.
Above-mentioned 8 free end of mandril is equipped with linearly extended, its extending direction limit consistent with the length direction of mandril 8 Position sliding slot 8a, 1 drive end of drive rod are movably arranged in limit sliding chutes 8a and can be slided along limit sliding chutes 8a.To limit The movement locus of 1 drive end of drive rod.
Above-mentioned unlocking mechanism includes solution lock cylinder 15, the solution lock against block 16 for jacking up flexible lock core 10, solves lock cylinder 15 Cylinder barrel be installed on auxiliary stopper frame 11, the piston rod of solution lock cylinder 15 is set upward, and solution lock against block 16 is installed on unlock gas The piston-rod end and face lockhole 11a of cylinder 15.Solution lock against block 16 can carry out up-and-down reciprocating under the driving of solution lock cylinder 15 Movement, so as to which flexible lock core 10 is ejected lockhole 11a.
Above-mentioned 10 lower end of flexible lock core is rotatably mounted with antifriction wheel 10a, can mitigate flexible lock core 10 and slideway significantly The relative friction effect of 11b, so that axle sleeve 9 can be moved swimmingly on auxiliary stopper frame 11.
The utility model is not limited to above-described embodiment, on the basis of technical solution disclosed in the utility model, this The technical staff in field is according to disclosed technology contents, it is not necessary to which performing creative labour can be special to some of which technology Sign makes some and replaces and deform, these are replaced and deformation is within the protection scope of the present utility model.

Claims (5)

1. one kind can automatically reset dustbin leakage fluid dram headstock gear, including for opening and closing babinet(13)The drain pipe of bottom (14)Keying plate(6), it is characterised in that:Further include drive rod(1), balancing pole(2), reference for installation block(3), valve rod(4), it is multiple Position spring(5), further include installed in babinet(13)The balance free bearing of bottom outer wall(17), further include keying drive component;It is described Reference for installation block(3)Installed in babinet(13)Bottom outer wall, the reference for installation block(3)Equipped with installation cavity(3a), the valve rod (4)It can be installed on to line activities reference for installation block(3)Go up and pass through installation cavity(3a), the resetting spring(5)It is sleeved on valve Bar(4)Go up and be in installation cavity(3a)In, the valve rod(4)It is equipped with against flange(4a), the resetting spring(5)One end with Against flange(4a)Offset, the resetting spring(5)The other end and installation cavity(3a)Inner wall offsets, and when keying plate(6)It is complete Seal drain pipe entirely(14)When, it is described against flange(4a)Just recline installation cavity(3a)Inner wall position;The valve rod(4)Both ends It is in installation cavity(3a)Outside, the valve rod(4)One end is with opening and closing plate(6)It is connected, the valve rod(4)The other end and drive rod (1)It is hinged;The drive rod(1)One end is connecting pin, the drive rod(1)The other end is drive end, the drive rod(1) Connecting pin, balancing pole(2), balance free bearing(17)It is hinged successively, the drive rod(1)Drive end connects with opening and closing drive component transmission Connect.
2. one kind according to claim 1 can automatically reset dustbin leakage fluid dram headstock gear, it is characterised in that:It is described Opening and closing drive component includes hydraulic cylinder(7), mandril(8), axle sleeve(9), flexible lock core(10), auxiliary stopper frame(11), side free bearing (12);The hydraulic cylinder(7), auxiliary stopper frame(11), side free bearing(12)It is installed in babinet(13)Bottom outer wall;The mandril (8)One end is hinged on side free bearing(12)On, the mandril(8)The other end is as free end and drive rod(1)Drive end activity is even Connect, the hydraulic cylinder(7)Piston-rod end and mandril(8)It is hinged, the mandril(8)Be equipped with oval pore structure, its Length direction and mandril(8)The consistent slide opening of length direction(8b), the auxiliary stopper frame(11)It is equipped with linear extension And valve rod(4)The slideway that matches of activity direction(11b), the axle sleeve(9)It is slidably mounted in auxiliary stopper frame (11)Upper and and slideway(11b)Activity coordinates, and the axle sleeve(9)Activity is installed on mandril(8)Slide opening(8b)In;It is described Flexible lock core(10)Axle sleeve can be installed on up and downly(9)On, and the flexible lock core(10)Run through whole axle sleeve up and down (9);The auxiliary stopper frame(11)Slideway is in equipped with one(11b)On, can be inserted into flexible lock core(10)Lockhole (11a), when keying plate(6)Through the mobile drain pipe of deblocking completely(14)When, the flexible lock core(10)Lower end position just with lock Hole(11a)It is corresponding and be inserted into lockhole(11a)In;The keying drive component is equipped with can be by flexible lock core(10)Eject lockhole (11a)Unlocking mechanism, the unlocking mechanism is in lockhole(11a)Underface.
3. one kind according to claim 2 can automatically reset dustbin leakage fluid dram headstock gear, it is characterised in that:It is described Mandril(8)Free end is equipped with linearly extended, its extending direction and mandril(8)The consistent limit sliding chutes of length direction (8a), the drive rod(1)Drive end is movably arranged on limit sliding chutes(8a)In and can be along limit sliding chutes(8a)Slided.
4. one kind according to claim 2 can automatically reset dustbin leakage fluid dram headstock gear, it is characterised in that:It is described Unlocking mechanism includes solution lock cylinder(15), for jacking up flexible lock core(10)Solution lock against block(16), the solution lock cylinder(15) Cylinder barrel be installed on auxiliary stopper frame(11)On, the solution lock cylinder(15)Piston rod set upward, it is described solution lock against block (16)Installed in solution lock cylinder(15)Piston-rod end and face lockhole(11a).
5. one kind according to claim 2 can automatically reset dustbin leakage fluid dram headstock gear, it is characterised in that:It is described Flexible lock core(10)Lower end is rotatably mounted with antifriction wheel(10a).
CN201720803440.XU 2017-07-05 2017-07-05 One kind can automatically reset dustbin leakage fluid dram headstock gear Withdrawn - After Issue CN207312347U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720803440.XU CN207312347U (en) 2017-07-05 2017-07-05 One kind can automatically reset dustbin leakage fluid dram headstock gear

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720803440.XU CN207312347U (en) 2017-07-05 2017-07-05 One kind can automatically reset dustbin leakage fluid dram headstock gear

Publications (1)

Publication Number Publication Date
CN207312347U true CN207312347U (en) 2018-05-04

Family

ID=62433547

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720803440.XU Withdrawn - After Issue CN207312347U (en) 2017-07-05 2017-07-05 One kind can automatically reset dustbin leakage fluid dram headstock gear

Country Status (1)

Country Link
CN (1) CN207312347U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107176399A (en) * 2017-07-05 2017-09-19 扬州金威环保科技有限公司 One kind can automatically reset dustbin leakage fluid dram headstock gear

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107176399A (en) * 2017-07-05 2017-09-19 扬州金威环保科技有限公司 One kind can automatically reset dustbin leakage fluid dram headstock gear
CN107176399B (en) * 2017-07-05 2023-10-20 扬州金威环保科技有限公司 Automatic resetting dustbin liquid outlet opening and closing device

Similar Documents

Publication Publication Date Title
CN201166022Y (en) Hydraulic pressure accumulator oil cylinder for crane
CN207312347U (en) One kind can automatically reset dustbin leakage fluid dram headstock gear
CN104148563B (en) Novel air pneumatic hammer
CN208797715U (en) Ultra-deep well rig energy-saving direct current motor
CN107176399A (en) One kind can automatically reset dustbin leakage fluid dram headstock gear
CN202783834U (en) Pasty material filling device
CN206454769U (en) A kind of medium-speed pulverizer pebble coal discharger
CN208804071U (en) Hydraulic dam hydraulic cylinder
CN208918454U (en) A kind of cleaning hermatic door
CN207144912U (en) One kind linkage packer note adopts integrated pump
CN203490098U (en) Sampling device
CN106891567A (en) Split type horizontal garbage compressor holding claw mechanism and the Split garbage compressor with the holding claw mechanism and its preparation method
CN105571787B (en) A kind of port sealing mechanism of PE ball valves
CN204060288U (en) One is spring pneumatically
CN104234561B (en) Pneumatically spring
CN206988454U (en) A kind of dustbin for being automatically drained out pressing filtering liquid
CN208181910U (en) A kind of integrally closed garbage compression box
CN203009453U (en) Locking cylinder for total travel rolling machine
CN203961570U (en) Damping closer
CN202989589U (en) Quick-opening transmission mechanism for cover of dry cleaning machine
CN206309332U (en) Preventer
CN207988986U (en) A kind of low pressure well operations sealing device
CN206845577U (en) A kind of oil cylinder front cover
CN205330901U (en) Convenient hydraulic pressure manual pump of dismantling
CN207329434U (en) A kind of garbage reclaiming barrel based on technological service

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20180504

Effective date of abandoning: 20231020

AV01 Patent right actively abandoned

Granted publication date: 20180504

Effective date of abandoning: 20231020