CN108979176A - A kind of construction being convenient for carrying ejection type cleaver - Google Patents

A kind of construction being convenient for carrying ejection type cleaver Download PDF

Info

Publication number
CN108979176A
CN108979176A CN201811100158.0A CN201811100158A CN108979176A CN 108979176 A CN108979176 A CN 108979176A CN 201811100158 A CN201811100158 A CN 201811100158A CN 108979176 A CN108979176 A CN 108979176A
Authority
CN
China
Prior art keywords
knife cylinder
insulation
construction
convenient
ejection type
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Withdrawn
Application number
CN201811100158.0A
Other languages
Chinese (zh)
Inventor
李振兴
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN201811100158.0A priority Critical patent/CN108979176A/en
Publication of CN108979176A publication Critical patent/CN108979176A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14Conveying or assembling building elements
    • E04G21/16Tools or apparatus
    • E04G21/20Tools or apparatus for applying mortar

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Knives (AREA)

Abstract

The invention discloses a kind of construction being convenient for carrying ejection type cleavers, including knife cylinder and the cutter head for being fixedly mounted on knife cylinder front end, cutter blade is plugged in the cutter head, the cutter blade rear end, which is detachably fixed, is equipped with insulation traveller, the insulation traveller rear end is fixedly installed with insulation bumping post, the insulation bumping post rear end face is provided with mounting rod, it is vertically-mounted on the mounting rod to have conductive force rod, the conduction force rod upper and lower ends sliding is electrically connected with conductive bar, two conductive bars are fixedly mounted on the knife cylinder inner wall upper and lower ends, the conductive bar rear end is provided with partition, the membrane front face is provided with resistance.Beneficial effect is: a kind of construction being convenient for carrying of the present invention can be realized firmly to shake without wrist with ejection type cleaver and drive cleaver rotation that cleaver can be realized to break apart by chopping brick, it is easy to operate, it is time saving and energy saving, it effectively avoids cutting brick in the process to the vibratory impulse of wrist, practicability is good.

Description

A kind of construction being convenient for carrying ejection type cleaver
Technical field
The present invention relates to construction equipment fields, and in particular to a kind of construction ejection type watt being convenient for carrying Knife.
Background technique
Currently, masonry project still based on manually building, due to the needs of the masonry structure fissure of displacement when worker builds, cuts brick It is unavoidable, when masonry operating personnel cuts brick, since fierce collision occurs for cleaver and brick body, to the hand for building operating personnel Wrist, tiger's jaw can all generate very big concussion, often make wrist injured, and tiger's jaw is by bleeding of shattering, since tiger's jaw bleeding of being shattered is Normality generally will not all give treatment in time, also be inconvenient to give treatment to, and under severe operating environment, infect to obtain tetanus sometimes, danger And life security;Sometimes tiger's jaw shattered bleeding when, under severe pain, cleaver falls off, and under the conditions of high altitude operation, cleaver can after falling off It can fly out and hurt sb.'s feelings, masonry operation is made to become dangerous operation.
Summary of the invention
The object of the invention is that providing a kind of construction ejection being convenient for carrying to solve the above-mentioned problems Formula cleaver needs wrist firmly to shake when cutting brick to solve traditional cleaver in the prior art and drives cleaver to break apart by chopping brick, make It uses relatively elaborate, and is easy shake the problems such as hurting wrist.Preferred technical side in many technical solutions provided by the invention Case, which can be realized firmly to shake without wrist, drives cleaver rotation cleaver can be realized to break apart by chopping brick, easy to operate, time saving and energy saving, Effectively avoid cutting the vibratory impulse during brick to wrist, the technical effects such as practicability is good, elaboration as detailed below.
To achieve the above object, the present invention provides following technical schemes:
A kind of construction being convenient for carrying ejection type cleaver provided by the invention, including knife cylinder and it is fixedly mounted on the knife The cutter head of cylinder front end, is plugged with cutter blade in the cutter head, the cutter blade rear end, which is detachably fixed, is equipped with insulation traveller, institute It states insulation traveller rear end and is fixedly installed with insulation bumping post, the insulation bumping post rear end face is provided with mounting rod, on the mounting rod Vertically-mounted to have conductive force rod, the conduction force rod upper and lower ends sliding is electrically connected with conductive bar, two conductive bars The knife cylinder inner wall upper and lower ends are fixedly mounted on, the conductive bar rear end is provided with partition, and the membrane front face is provided with electricity Resistance, the partition back side is provided with battery;
Two sides are fixedly installed with permanent magnet inside the knife cylinder, the knife cylinder inner wall front end be fixedly installed with slide over it is described absolutely Stop collar on edge traveller is fixedly installed with yielding rubber circle, two yielding rubbers on the face of the stop collar rear and front end The limit switch being electrically connected with the battery is installed on circle outer end face;
It is double that knife cylinder outer surface upper end is provided with the hilted broadsword being electrically connected with the conductive force rod, the battery and the resistance Throw switch.
Preferably, the cutter head front end is screwed with preceding sealing cover.
Preferably, knife cylinder side is arranged with Anti-slip cover;
Wherein, the knife tube rear end is screwed with rear sealing cover.
Preferably, the traveller and the bumping post are structure as a whole.
Preferably, the outer surface on the permanent magnet close to the conductive force rod is perpendicular;
Wherein, the length direction of the perpendicular is parallel with the central axial direction of the knife cylinder.
Preferably, the stop collar is structure as a whole with the knife cylinder.
Preferably, being provided with arrangement of grooves on the insulation traveller two sides.
Preferably, being provided with the sliding slot being slidably connected with the conductive bar on the insulation bumping post upper and lower surfaces;
Wherein, the section configuration of the sliding slot is identical as the section configuration of the conductive bar.
Preferably, the battery outer surface is arranged with damping, buffering cylinder;
Wherein, the damping, buffering cylinder and the knife cylinder inner wall are in close contact;
Wherein, the battery rear end face is provided with shock-absorbing buffer pad.
A kind of above-mentioned construction being convenient for carrying ejection type cleaver, in use, the hand cylinder of first holding with a firm grip, then by institute The position for needing to cut off on cutter head front end alignment brick is stated, then pushes the single-pole double-throw switch (SPDT) to move forward, the hilted broadsword Commutator connects the circuit connection of the conductive force rod, has electric current process in the conduction force rod, according to left hand rule, The conduction force rod will push the insulation traveller and the insulation bumping post to move forward in the knife cylinder, and the insulation is slided Column is mobile to push the cutter blade that brick is shot out and hit out of described cutter head, and by brick cutting, (principle is similar to electromagnetism Ejector), later, the single-pole double-throw switch (SPDT) is pushed to move backward, changes the current direction for flowing through the conductive force rod, root According to left hand rule, the conduction force rod pulls on the cutter blade, the insulation traveller and the insulation bumping post and moves backward, It retracts in the knife cylinder and the cutter head, until the cutter blade touches the limit switch, the limit switch cuts off institute The circuit connection of conductive force rod is stated, the conduction force rod will stop moving, since the magnetic induction intensity of the permanent magnet is solid It is fixed, therefore the Ampere force that the conductive force rod is subject to is related with the conductive size of current of force rod is flowed through, when electric current is got over When big, the Ampere force that is subject to of conduction force rod is also bigger, then the cutter blade stretch out the cutter head speed it is also faster, because This is easier to cut off brick, makes when the cutter blade returns in the cutter head, due to the intervention of the resistance, passes through institute The electric current for stating conductive force rod is unlikely excessive, therefore the speed of cutter blade movement is smaller, guarantees that the cutter blade can be put down Surely enter in the cutter head, only needs to operate the single-pole double-throw switch (SPDT) control in whole process and flow through the conductive force rod Current direction is firmly shaken without wrist and drives cleaver rotation, easy to operate, time saving and energy saving, effectively avoids cutting brick process In to the vibratory impulse of wrist, practicability is good.
Beneficial effect is: a kind of construction being convenient for carrying of the present invention can be realized nothing with ejection type cleaver Needing wrist firmly to shake drives cleaver rotation cleaver can be realized to break apart by chopping brick, easy to operate, time saving and energy saving, effectively avoids cutting brick In the process to the vibratory impulse of wrist, practicability is good.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.
Fig. 1 is main view of the invention;
Fig. 2 is top view of the invention;
Fig. 3 is the internal structure chart of Fig. 1 of the invention;
Fig. 4 is the cross-section diagram of Fig. 3 of the invention;
Fig. 5 is the main view of cutter blade of the invention;
Fig. 6 is the top view of Fig. 5 of the invention;
Fig. 7 is circuit diagram of the invention.
The reference numerals are as follows:
1, knife cylinder;2, cutter head;3, preceding sealing cover;4, rear sealing cover;5, Anti-slip cover;6, cutter blade;7, insulate traveller;8, insulation stop Column;9, arrangement of grooves;10, sliding slot;11, mounting rod;12, conductive force rod;13, stop collar;14, yielding rubber circle;15, conductive Item;16, permanent magnet;17, partition;18, damping, buffering cylinder;19, battery;20, resistance;21, shock-absorbing buffer pad;22, single-pole double throw Switch;23, limit switch.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work Other embodiment belongs to the range that the present invention is protected.
Refer to figures 1-7, a kind of construction being convenient for carrying ejection type cleaver provided by the invention, including knife Cylinder 1 and it is fixedly mounted on the cutter head 2 of 1 front end of knife cylinder, cutter blade 6 is plugged in cutter head 2, cutter blade 6 is for cutting off brick, blade 6 rear end of body, which is detachably fixed, is equipped with insulation traveller 7, and insulation 7 rear end of traveller is fixedly installed with insulation bumping post 8, and insulation bumping post 8 is used In preventing insulation traveller 7 from skidding off out of knife cylinder 1, insulation 8 rear end face of bumping post is provided with mounting rod 11, vertically-mounted on mounting rod 11 Have a conductive force rod 12, conductive force rod 12 for push insulation bumping post 8, insulation traveller 7 and cutter blade 6 stretched out from cutter head 2 or It retracting, conductive 12 upper and lower ends of force rod sliding is electrically connected with conductive bar 15, and conductive bar 15 is used to power for conductive force rod 12, Two conductive bars 15 are fixedly mounted on 1 inner wall upper and lower ends of knife cylinder, and 15 rear end of conductive bar is provided with partition 17, and 17 front of partition is set It is equipped with resistance 20,17 back side of partition is provided with battery 19;
1 inside two sides of knife cylinder are fixedly installed with permanent magnet 16, and 1 inner wall front end of knife cylinder, which is fixedly installed with, slides over insulation traveller 7 On stop collar 13, stop collar 13 is fixed on 13 rear and front end face of stop collar for preventing insulation traveller 7 from skidding off out of knife cylinder 1 Yielding rubber circle 14 is installed, yielding rubber circle 14 is used to buffer cutter blade 6 and the bumping post 8 that insulate rushes the vibration of stop collar 13 It hits, the limit switch 23 being electrically connected with battery 19 is installed, limit switch 23 is for preventing on two 14 outer end faces of yielding rubber circle Only conductive force rod 12 is moved through more;
1 outer surface upper end of knife cylinder is provided with the single-pole double-throw switch (SPDT) 22 being electrically connected with conductive force rod 12, battery 19 and resistance 20.
As optional embodiment, 2 front end of cutter head is screwed with preceding sealing cover 3, and preceding sealing cover 3 is prevented for sealing cutter head 2 Only external sundries, which enters in cutter head 2, influences the disengaging cutter head 2 of cutter blade 6.
1 side of knife cylinder is arranged with Anti-slip cover 5, skidding when Anti-slip cover 5 is for preventing from holding;
Wherein, 1 rear end of knife cylinder is screwed with rear sealing cover 4, and rear sealing cover 4 is used for sealed knife cylinder 1, prevents external sundries from entering knife cylinder In 1.
Traveller and bumping post are structure as a whole, and design in this way, facilitate production and processing traveller and bumping post.
The outer surface of close conduction force rod 12 is perpendicular on permanent magnet 16;
Wherein, the length direction of perpendicular is parallel with the central axial direction of knife cylinder 1, designs in this way, guarantees 16 energy of permanent magnet It is enough to provide stable magnetic field for conductive force rod 12.
Stop collar 13 is structure as a whole with knife cylinder 1, designs in this way, can enhance the mechanical coupling strength of stop collar 13, prevent Cutter blade 6 or insulation traveller 7 knock stop collar 13.
Arrangement of grooves 9 is provided on insulation 7 two sides of traveller, arrangement of grooves 9 is for arranging permanent magnet 16.
Insulation is provided with the sliding slot 10 being slidably connected with conductive bar 15 on 8 upper and lower surfaces of bumping post;
Wherein, the section configuration of sliding slot 10 is identical as the section configuration of conductive bar 15, and sliding slot 10 is for insulate bumping post 8 and conductive bar 15 opposite slidings.
19 outer surface of battery is arranged with damping, buffering cylinder 18;
Wherein, damping, buffering cylinder 18 and 1 inner wall of knife cylinder are in close contact;
Wherein, 19 rear end face of battery is provided with shock-absorbing buffer pad 21, and damping, buffering cylinder 18 and shock-absorbing buffer pad 21 are used to protect Battery 19 prevents battery 19 from being damaged by excessive vibratory impulse.
A kind of above-mentioned construction being convenient for carrying ejection type cleaver, in use, first hand-to-hand grip cylinder, then by cutter head 2 The position for needing to cut off on front end alignment brick, then pushes single-pole double-throw switch (SPDT) 22 to move forward, single-pole double-throw switch (SPDT) 22 connects The circuit connection of admittance electricity force rod 12 has electric current process in conductive force rod 12, and according to left hand rule, conductive force rod 12 will Insulation traveller 7 and insulation bumping post 8 is pushed to move forward in knife cylinder 1, insulation traveller 7 is mobile to push cutter blade 6 fast out of cutter head 2 Brick is stretched out and hit to speed, and brick cutting (principle is similar to Electromagnetical ejector) is pushed single-pole double-throw switch (SPDT) 22 backward later It is mobile, change the current direction for flowing through conductive force rod 12, according to left hand rule, conductive force rod 12 pulls on cutter blade 6, absolutely Edge traveller 7 and insulation bumping post 8 move backward, and retract in knife cylinder 1 and cutter head 2, until cutter blade 6 touches limit switch 23, limit Bit switch 23 cuts off the circuit connection of conductive force rod 12, and conductive force rod 12 will stop moving, due to the magnetic strength of permanent magnet 16 Intensity is answered to fix, therefore the Ampere force that conductive force rod 12 is subject to is related with the size of current for flowing through conductive force rod 12, works as electricity When flowing bigger, the Ampere force that conductive force rod 12 is subject to is also bigger, then the speed of the stretching of cutter blade 6 cutter head 2 is also faster, therefore more It is easy to cut off brick, makes when cutter blade 6 returns in cutter head 2, due to the intervention of resistance 20, pass through conductive force rod 12 Electric current is unlikely excessive, therefore the speed of the movement of cutter blade 6 is smaller, guarantees that cutter blade 6 can steadily enter in cutter head 2, entire mistake It only needs to operate single-pole double-throw switch (SPDT) 22 in journey and controls the current direction for flowing through conductive force rod 12, firmly trembled without wrist It is dynamic that cleaver is driven to rotate, it is easy to operate, it is time saving and energy saving, it effectively avoids cutting brick in the process to the vibratory impulse of wrist, practicability is good.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.

Claims (9)

1. a kind of construction being convenient for carrying ejection type cleaver, it is characterised in that: including knife cylinder (1) and be fixedly mounted on institute The cutter head (2) of knife cylinder (1) front end is stated, is plugged with cutter blade (6) in the cutter head (2), cutter blade (6) rear end is detachably solid Equipped with insulation traveller (7), insulation traveller (7) rear end is fixedly installed with insulation bumping post (8), the insulation bumping post (8) for Dingan County Rear end face is provided with mounting rod (11), vertically-mounted on the mounting rod (11) to have conductive force rod (12), the conduction stress The sliding of bar (12) upper and lower ends is electrically connected with conductive bar (15), and two conductive bars (15) are fixedly mounted on the knife cylinder (1) Inner wall upper and lower ends, conductive bar (15) rear end are provided with partition (17), and partition (17) front is provided with resistance (20), Partition (17) back side is provided with battery (19);
The internal two sides of the knife cylinder (1) are fixedly installed with permanent magnet (16), and knife cylinder (1) the inner wall front end is fixedly installed with cunning The stop collar (13) on insulation traveller (7) is covered, is fixedly installed with damping rubber on stop collar (13) the rear and front end face Cushion rubber (14) is equipped with the limit switch being electrically connected with the battery (19) on two yielding rubber circle (14) outer end faces (23);
Knife cylinder (1) the outer surface upper end is provided with and the conductive force rod (12), the battery (19) and the resistance (20) single-pole double-throw switch (SPDT) (22) being electrically connected.
2. a kind of construction being convenient for carrying ejection type cleaver according to claim 1, it is characterised in that: the knife Head (2) front end is screwed with preceding sealing cover (3).
3. a kind of construction being convenient for carrying ejection type cleaver according to claim 1, it is characterised in that: the knife Cylinder (1) side is arranged with Anti-slip cover (5);
Wherein, knife cylinder (1) rear end is screwed with rear sealing cover (4).
4. a kind of construction being convenient for carrying ejection type cleaver according to claim 1, it is characterised in that: the cunning Column and the bumping post are structure as a whole.
5. a kind of construction being convenient for carrying ejection type cleaver according to claim 1, it is characterised in that: it is described forever Outer surface on magnet (16) close to the conductive force rod (12) is perpendicular;
Wherein, the length direction of the perpendicular is parallel with the central axial direction of the knife cylinder (1).
6. a kind of construction being convenient for carrying ejection type cleaver according to claim 1, it is characterised in that: the limit Position ring (13) is structure as a whole with the knife cylinder (1).
7. a kind of construction being convenient for carrying ejection type cleaver according to claim 1, it is characterised in that: described exhausted Arrangement of grooves (9) are provided on edge traveller (7) two sides.
8. a kind of construction being convenient for carrying ejection type cleaver according to claim 1, it is characterised in that: described exhausted The sliding slot (10) being slidably connected with the conductive bar (15) is provided on edge bumping post (8) upper and lower surfaces;
Wherein, the section configuration of the sliding slot (10) is identical as the section configuration of the conductive bar (15).
9. a kind of construction being convenient for carrying ejection type cleaver according to claim 1, it is characterised in that: the electricity Pond (19) outer surface is arranged with damping, buffering cylinder (18);
Wherein, the damping, buffering cylinder (18) and knife cylinder (1) inner wall are in close contact;
Wherein, battery (19) rear end face is provided with shock-absorbing buffer pad (21).
CN201811100158.0A 2018-09-20 2018-09-20 A kind of construction being convenient for carrying ejection type cleaver Withdrawn CN108979176A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811100158.0A CN108979176A (en) 2018-09-20 2018-09-20 A kind of construction being convenient for carrying ejection type cleaver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811100158.0A CN108979176A (en) 2018-09-20 2018-09-20 A kind of construction being convenient for carrying ejection type cleaver

Publications (1)

Publication Number Publication Date
CN108979176A true CN108979176A (en) 2018-12-11

Family

ID=64546477

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811100158.0A Withdrawn CN108979176A (en) 2018-09-20 2018-09-20 A kind of construction being convenient for carrying ejection type cleaver

Country Status (1)

Country Link
CN (1) CN108979176A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2032124U (en) * 1988-03-20 1989-02-08 刘风华 Electric resonance cutter
US6530098B1 (en) * 2000-08-11 2003-03-11 Allway Tools, Inc. Multiple tool device
CN1610606A (en) * 2002-01-18 2005-04-27 美克司公司 Concrete drill
CN101030722A (en) * 2006-11-15 2007-09-05 张玉宝 Stone-material carving machine
CN201410710Y (en) * 2009-04-15 2010-02-24 东龙(厦门)陶磁有限公司 Chiseling device of ceramic tiles
CN207097312U (en) * 2017-06-08 2018-03-13 商洛学院 A kind of ampere force presentation experiment instrument
CN108277989A (en) * 2018-04-03 2018-07-13 徐文斌 A kind of construction rotary cleaver that can automatically cut off brick

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2032124U (en) * 1988-03-20 1989-02-08 刘风华 Electric resonance cutter
US6530098B1 (en) * 2000-08-11 2003-03-11 Allway Tools, Inc. Multiple tool device
CN1610606A (en) * 2002-01-18 2005-04-27 美克司公司 Concrete drill
CN101030722A (en) * 2006-11-15 2007-09-05 张玉宝 Stone-material carving machine
CN201410710Y (en) * 2009-04-15 2010-02-24 东龙(厦门)陶磁有限公司 Chiseling device of ceramic tiles
CN207097312U (en) * 2017-06-08 2018-03-13 商洛学院 A kind of ampere force presentation experiment instrument
CN108277989A (en) * 2018-04-03 2018-07-13 徐文斌 A kind of construction rotary cleaver that can automatically cut off brick

Similar Documents

Publication Publication Date Title
CN108655584A (en) A kind of multi-functional automatic laser cutting machine
RU2015134570A (en) SHOCK DEVICE FOR BIOPSIUM AND METHOD OF APPLICATION
JP2017070152A (en) Arrester holding insulation operation rod
CN108979176A (en) A kind of construction being convenient for carrying ejection type cleaver
CN211023543U (en) Medical electric plaster saw
CN204115579U (en) Multifunction expanding alarm electric shock device
CN113624072B (en) Portable protection shield for special insurance
CN210550954U (en) Handheld air pick for cooling tower demolition construction
CN104308828A (en) Bird nest removing device
CN215342557U (en) Protection device of field effect transistor
CN210226691U (en) Handheld laser bird repeller convenient for adjusting irradiation angle
CN220794015U (en) Police protective arm sleeve
CN209955019U (en) Multi-functional solid brick cutting equipment
CN208034633U (en) Electric power tool hook
CN211291183U (en) Multifunctional telescopic emergency stick
CN203450074U (en) Miniature window breaker
CN204487450U (en) A kind of hand-held automatic locking screw machine
CN220007872U (en) Mechanical telescopic stick with cutting tool
CN213910413U (en) Shock wave electrode with strong stability for extracorporeal shock wave lithotripter
CN219093481U (en) Reinforcing steel bar cutting device
CN220494365U (en) Detachable safety helmet
CN210009226U (en) Disposable ophthalmic electrocoagulation cutter
CN209783406U (en) Electric shock baton with flexible function
CN108081483A (en) One kind is used for globar cutter device
CN217424125U (en) Telescopic electric baton for police

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20181211