CN205382552U - Explosion -proof floor drain of gas defense - Google Patents

Explosion -proof floor drain of gas defense Download PDF

Info

Publication number
CN205382552U
CN205382552U CN201620164635.XU CN201620164635U CN205382552U CN 205382552 U CN205382552 U CN 205382552U CN 201620164635 U CN201620164635 U CN 201620164635U CN 205382552 U CN205382552 U CN 205382552U
Authority
CN
China
Prior art keywords
floor drain
clamping platform
fixture block
drain body
gas defence
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.)
Expired - Fee Related
Application number
CN201620164635.XU
Other languages
Chinese (zh)
Inventor
吴逖
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.)
Nanjing Minshengyuan Civil Air Defense Engineering Protection Equipment Co Ltd
Original Assignee
Nanjing Minshengyuan Civil Air Defense Engineering Protection Equipment 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 Nanjing Minshengyuan Civil Air Defense Engineering Protection Equipment Co Ltd filed Critical Nanjing Minshengyuan Civil Air Defense Engineering Protection Equipment Co Ltd
Priority to CN201620164635.XU priority Critical patent/CN205382552U/en
Application granted granted Critical
Publication of CN205382552U publication Critical patent/CN205382552U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Floor Finish (AREA)

Abstract

The utility model discloses an explosion -proof floor drain of gas defense, its technical scheme main points are including floor drain body, leak lid and the seal of rigid coupling in the floor drain body below, leak the fixture block that the marginal rigid coupling of lid has the circumference to set up, floor drain body inner wall edge rigid coupling has joint platform two at least, joint platform both ends be equipped with stopper and lower surface be formed with with fixture block matched with butt face, be formed with between two stoppers with fixture block matched with joint groove, the stopper is including sliding block who is located joint platform one side and the fixed block that is located joint platform opposite side, sliding block slides with the joint platform and is connected, and floor drain body goes up to open has the standing groove of placing sliding block, comparatively convenient laborsaving effect when having reached closed floor drain.

Description

Gas defence blastproof strainer
Technical field
This utility model relates to civil air defense constructions and installations field, particularly to a kind of gas defence blastproof strainer.
Background technology
Nowadays, the gas defence blastproof strainer that all kinds of national defence, civil air defense constructions and installations and other special industry adopt.Gas defence blastproof strainer is typically mounted at the discharge outlet place of civil air defense constructions and installations, is in opening at ordinary times, it is ensured that proper drainage;Floor drain moves down into during war following working position go, rotate floor drain panel, by airtight for floor drain draining simultaneously, it is prevented that the explosion wave, the poison that transmit in pipe enter civil air defense constructions and installations, serve the effect that gas defence is explosion-proof.
Existing gas defence blastproof strainer is referred to the Chinese patent that application number is 201320706251.2, it discloses a kind of explosion-proof anti-poison odor-resistant multifunctional floor drain, and this floor drain includes floor drain body, Cancellation Missed, Cancellation Missed handle, seal and deodorized valve composition;Cancellation Missed is positioned at the top open part of floor drain body;Cancellation Missed handle is positioned on Cancellation Missed, and seal is positioned at the cavity of the floor drain body below Cancellation Missed, and seal is connected by fixing screw with Cancellation Missed handle.Cancellation Missed edge has fixture block disposed circumferentially around, by the buckling groove being arranged in floor drain body on mural margin clamping platform, is arranged on floor drain body.There is between clamping platform the gap for Cancellation Missed traverse.By Cancellation Missed traverse from gap, enter in floor drain body, the seal being fixed in below Cancellation Missed is pushed down drain pipe.Meanwhile, rotate Cancellation Missed, fixture block is connected to clamping platform lower surface.
But when closing floor drain every time, with handle, Cancellation Missed and seal need to be mentioned from buckling groove, then rotate Cancellation Missed, Cancellation Missed is put in gap.Owing to explosion-proof anti-poison odor-resistant multifunctional floor drain has explosion-proof effect, so generally all adopting the metal material of the high intensity such as cast iron to make, weight is big.Related for Cancellation Missed seal is mentioned so every time, inconvenient, it is difficult to control the degree that Cancellation Missed rotates, and very easily slip out of the hand, or even injure instep by a crashing object.
Utility model content
The purpose of this utility model is to provide more convenient labour-saving gas defence blastproof strainer during a kind of airtight floor drain.
Above-mentioned technical purpose of the present utility model has the technical scheme that
A kind of gas defence blastproof strainer, including floor drain body, Cancellation Missed be fixed in the seal below floor drain body;Cancellation Missed edge is connected with fixture block disposed circumferentially around, in floor drain body, mural margin is connected with the clamping platform of at least two, clamping platform two ends are provided with limited block and lower surface is formed with the bearing surface matched with fixture block, it is formed with, between two pieces of limited blocks, the buckling groove matched with fixture block, limited block includes being positioned at the slipping block of clamping platform side and being positioned at the fixed block of clamping platform opposite side, slipping block is connected with clamping platform sliding, and has the placing trough placing slipping block on floor drain body.
By adopting such scheme, when gas defence blastproof strainer is in opening, fixture block and the buckling groove clamping being positioned at above clamping platform, seal separates with discharge outlet so that water can normal inflow discharge outlet from Cancellation Missed, carry out draining;When war, promote slipping block, it is pushed in placing trough, make buckling groove disappear, rotate Cancellation Missed, allow fixture block sliding on clamping platform upper surface, and slide from clamping platform side, whole Cancellation Missed being declined from the gap between clamping platform, the seal being fixed in below Cancellation Missed is connected to discharge outlet, seal seals discharge outlet, serve the effect of gas defence, again rotate Cancellation Missed, fixture block is screwed under clamping platform, make fixture block upper surface abut with bearing surface.At this moment, Cancellation Missed is pushed down by bearing surface so that seal is closely adhered in discharge outlet, further ensures gas defence effect.And when explosion occurs outside civil air defense constructions and installations, the shock wave of explosion conducts to discharge outlet along pipeline, at this moment owing to seal and Cancellation Missed are propped up by bearing surface, shock wave is kept off in drain pipe, serves explosion-proof effect.Thus achieve gas defence explosion prevention function.Gas defence blastproof strainer is transformed into air-tight state from opening, only need one by, one turn, one drop, further turn four steps, relative to general gas defence blastproof strainer, decrease the process Cancellation Missed of load-bearing and seal mentioned, efficient and convenient, reach airtight convenient effect.
It is also preferred that the left be provided with spring in placing trough, both ends of the spring abuts slipping block and floor drain body respectively.
By adopting such scheme, to anti-with the press-in of clamping platform put after in groove every time, spring is utilized can slipping block to be automatically reset, prevent at gas defence blastproof strainer in the on state, because the reason sliding such as rocking, slipping block will not cause that buckling groove disappears, it is ensured that the stability of fixture block and buckling groove clamping.
It is also preferred that the left slipping block is arranged on each same one end of clamping platform, the face that slipping block abuts with fixture block is formed and easily pushes away inclined-plane.
By adopting such scheme, easily push away inclined-plane and save the step of airtight gas defence blastproof strainer pressing slipping block, make airtight process more convenient.Rotate Cancellation Missed so that fixture block gives easily to push away one, inclined-plane normal pressure, and normal pressure can decomposite two power, and one of them power is thrust, point to and prevent putting groove.Rotating with Cancellation Missed, fixture block is pushed by thrust to be prevented putting groove, saves " one presses " this step.
It is also preferred that the left clamping platform lopsidedness extends downward below adjacent clamping platform, it is formed with slideway.
By adopting such scheme, after fixture block slides from clamping platform, slide onto below adjacent clamping platform along slideway, the process of decline Cancellation Missed is converted into the process along slideway sliding, save manpower, and slideway serves guiding function.In decentralization process, the gravity of Cancellation Missed and seal is converted into the sliding force and pressure to slideway that glide along slideway by slideway, and sliding force helps people to decline Cancellation Missed and seal.And pressure produces frictional force, it is prevented that the seal damage discharge outlet caused because gliding speed is too fast, it is ensured that seal seals the effect of discharge outlet.
It is also preferred that the left buckling groove bottom surface and slideway have ball grooves, in ball grooves, it is rotatably connected to ball.
By adopting such scheme, the sliding friction of fixture block is converted into rolling friction by ball, facilitates and Cancellation Missed is rotated, and decreases the abrasion of fixture block.
It is also preferred that the left floor drain body bottom surface is connected with secondary spring, secondary spring one end is affixed with floor drain body, and the other end abuts with seal.
By adopting such scheme, when returning to opening from air-tight state, it is necessary to Cancellation Missed and seal are mentioned, seal is applied an elastic force upwards by spring, helps people to overcome both gravity they to be mentioned, saves manpower.
It is also preferred that the left be provided with two through holes and U-shaped handle on Cancellation Missed, the two ends of U-shaped handle extend through through hole and are formed with location hook.
By adopting such scheme, by U-shaped handle, provide impetus for Cancellation Missed, facilitate people and Cancellation Missed is carried out various operation.
It is also preferred that the left Cancellation Missed has the groove placing U-shaped handle and has hook hole, hook portion in the grooves, hole.
By adopting such scheme, groove is used for placing U-shaped handle, it is prevented that U-shaped handle highlights on Cancellation Missed, trips personnel;Hook mouth for U-shaped handle is ticked from groove, facilitate U-shaped handle and take out.
It is also preferred that the left fixture block upper surface forms lead-in chamfered and the abutment plane abutted with bearing surface.
By adopting such scheme, by lead-in chamfered, fixture block is proceeded under bearing surface, allow bearing surface abut with abutment plane.Owing to now seal to be abutted discharge outlet, then fixture block is proceeded to bearing surface by lead-in chamfered, they equal compact siro spinning technology, enter under bearing surface so make it difficult for it when rotating fixture block, but guided by lead-in chamfered, fixture block can easily screw under clamping platform.
In sum, this utility model has the advantages that and arranges slipping block, need not mention Cancellation Missed, it is possible to declined by Cancellation Missed;Slipping block is formed and easily pushes away inclined-plane, save the process of pressing slipping block;It is provided with slideway, the manpower in decline process will be saved;Fixture block is provided with lead-in chamfered, facilitates and is screwed in below clamping platform by fixture block, allows bearing surface abut with abutment platform;Seal abuts with secondary spring, and gas defence blastproof strainer is opened by auxiliary people again;Cancellation Missed is provided with U-shaped handle, facilitates Cancellation Missed and seal operation.
Accompanying drawing explanation
Fig. 1 is gas defence blastproof strainer opening structural representation;
Fig. 2 is gas defence blastproof strainer opening sectional view;
Fig. 3 is gas defence blastproof strainer closed mode structural representation;
Fig. 4 is gas defence blastproof strainer exploded perspective view.
In figure, 1, floor drain body;11, clamping platform;111, bearing surface;12, slipping block;121, inclined-plane is easily pushed away;13, fixed block;131, buckling groove;14, placing trough;141, spring;2, Cancellation Missed;21, fixture block;211, lead-in chamfered;212, abutment plane;22, groove;23, hook hole;3, seal;4, slideway;5, ball;6, secondary spring;7, U-shaped handle.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail.Wherein identical parts are presented with like reference characters.It should be noted that, the word "front", "rear" of use is described below, direction that "left", "right", "up" and "down" refer in accompanying drawing, word " bottom surface " and " end face ", " interior " and " outward " refer respectively to the direction towards or away from particular elements geometric center.
As depicted in figs. 1 and 2, gas defence blastproof strainer, including floor drain body 1, Cancellation Missed 2 be fixed in the seal 3 below floor drain body 1.Wherein, floor drain body 1 cross section becomes U-shaped, and overall in pot shape, place of bottom centre is provided with discharge outlet;Cancellation Missed 2 is in the form of annular discs, and center circumferential is provided with through hole, is used for leaking;Seal 3 lower surface is connected with rubber blanket, when seal 3 abuts with discharge outlet, and the airtight discharge outlet of seal 3.And Cancellation Missed 2 is provided with two through holes and U-shaped handle 7, the two ends of U-shaped handle 7 extend through through hole and curve inwardly and be formed with location hook.By U-shaped handle 7, provide impetus for Cancellation Missed 2, facilitate people and Cancellation Missed 2 is carried out various operation.And Cancellation Missed 2 has the groove 22 placing U-shaped handle 7, groove 22 is used for placing U-shaped handle 7, it is prevented that U-shaped handle 7 highlights on Cancellation Missed 2, trips personnel.Cancellation Missed 2 has hook hole 23 simultaneously, hook and hole 23 is positioned in the middle part of groove 22, hook mouth for U-shaped handle 7 is ticked from groove 22, facilitate U-shaped handle 7 and take out.
Shown in as shown in Figure 1, Figure 3 and Figure 4, gas defence blastproof strainer has two states: opening and air-tight state.Cancellation Missed 2 edge is connected with fixture block 21 disposed circumferentially around, and floor drain body 1 inner wall edge is connected with three clamping platforms 11, and clamping platform 11 two ends are provided with limited block and lower surface is formed with bearing surface 111, is formed with buckling groove 131 between two pieces of limited blocks.Buckling groove 131 is positioned at above clamping platform 11, and bearing surface 111 is positioned at below clamping platform 11.When fixture block 21 and buckling groove 131 clamping, seal 3 separates with discharge outlet so that water normally can flow into discharge outlet from Cancellation Missed 2, carries out draining;When fixture block 21 abuts on bearing surface 111, seal 3 abuts discharge outlet, the airtight discharge outlet of seal 3.
Wherein, as shown in Figure 1 and Figure 4, limited block includes the slipping block 12 being positioned at clamping platform 11 side and the fixed block 13 being positioned at clamping platform 11 opposite side, slipping block 12 is connected with clamping platform 11 sliding, and floor drain body 1 has the placing trough 14 placing slipping block 12, and fixed block 13 is affixed with clamping platform 11.When war, in order to gas defence is explosion-proof, by airtight for gas defence blastproof strainer.Detailed process: press slipping block 12, pushes it in placing trough 14, makes buckling groove 131 side open;Rotate Cancellation Missed 2, allow fixture block 21 sliding on clamping platform 11 upper surface, and slide from clamping platform 11 side, whole Cancellation Missed 2 is declined from the gap between clamping platform 11, seal 3 is connected to discharge outlet, and seal 3 seals discharge outlet, serves the effect of gas defence;Again rotate Cancellation Missed 2, fixture block 21 is screwed under clamping platform 11, makes fixture block 21 upper surface abut with bearing surface 111.At this moment, Cancellation Missed 2 is pushed down by bearing surface 111 so that seal 3 is closely adhered in discharge outlet, further ensures gas defence effect.And when explosion occurs outside civil air defense constructions and installations, the shock wave of explosion conducts to discharge outlet along pipeline, at this moment owing to seal 3 and Cancellation Missed 2 are propped up by bearing surface 111, shock wave is kept off in drain pipe, serves explosion-proof effect.Gas defence blastproof strainer is transformed into air-tight state from opening, only need one by, one turn, one drop, further turn four steps, relative to general gas defence blastproof strainer, decrease process Cancellation Missed 2 and the seal 3 of load-bearing mentioned, efficient and convenient, reach airtight convenient effect.
And as shown in Figure 2 and Figure 4, in placing trough 14, it being provided with spring 141, spring 141 two ends abut slipping block 12 and floor drain body 1 respectively.Anti-putting after in groove will be pressed into clamping platform 11 every time, spring 141 is utilized can slipping block 12 to be automatically reset, prevent at gas defence blastproof strainer in the on state, slipping block 12 will cause buckling groove 131 side to be opened because the reason sliding such as rocking, it is ensured that the stability of fixture block 21 and buckling groove 131 clamping.
Meanwhile, as shown in Figure 4, slipping block 12 is arranged on each same one end of clamping platform 11, the face that slipping block 12 abuts with fixture block 21 is formed and easily pushes away inclined-plane 121.When rotating Cancellation Missed 2 so that fixture block 21 gives easily to push away 121 1, inclined-plane normal pressure, and normal pressure can decomposite two power, and one of them power is thrust, point to and prevent putting groove.Rotating with Cancellation Missed 2, fixture block 21 is pushed by thrust to be prevented putting groove.So without pinning fixture block 21 with hands, it can be pushed and prevent in groove, make airtight process more convenient.
As shown in Figure 4, abutment platform lopsidedness extends downward below adjacent clamping platform 11, is formed with slideway 4.After fixture block 21 slides from clamping platform 11, slide onto below adjacent clamping platform 11 along slideway 4, the process of decline Cancellation Missed 2 is converted into the process along slideway 4 sliding, save manpower, and slideway 4 serves guiding function.In decentralization process, the gravity of Cancellation Missed 2 and seal 3 is converted into the sliding force glided along slideway 4 and the pressure to slideway 4 by slideway 4, and sliding force helps people to decline Cancellation Missed 2 and seal 3.And pressure produces frictional force, hinder downglide motion, it is prevented that the seal 3 damage discharge outlet caused because gliding speed is too fast, it is ensured that seal 3 seals the effect of discharge outlet.
As shown in Figure 4, buckling groove 131 bottom surface and slideway 4 have ball grooves, are rotatably connected to ball 5 in ball grooves.Fixture block 21 moves on ball 5, and the sliding friction of fixture block 21 is converted into rolling friction by ball 5, facilitates and Cancellation Missed 2 is rotated, and decreases the abrasion of fixture block 21.
As shown in Figure 3 and Figure 4, during airtight gas defence blastproof strainer, above clamping platform 11, bearing surface 111 abuts fixture block 21 upper surface;And below clamping platform 11, seal 3 abuts discharge outlet.Fixture block 21 and seal 3 are all affixed with Cancellation Missed 2 again.Owing to first seal 3 to be abutted discharge outlet, then fixture block 21 is rotated into bearing surface 111 times and abuts with bearing surface 111, so being difficult to rotate into below bearing surface 111 fixture block 21.Therefore fixture block 21 upper surface forms lead-in chamfered 211 and the abutment plane 212 abutted with bearing surface 111.Lead-in chamfered 211 is obliquely installed, and one end distance discharge outlet is nearer apart from discharge outlet than bearing surface 111, so abuts inclined-plane and can easily enter between discharge outlet and bearing surface 111.Then lead-in chamfered 211 extends gradually obliquely, and is connected with abutment plane 212 at the other end.After lead-in chamfered 211 one end enters, continue to rotate Cancellation Missed 2, make abutment plane 212 abut with bearing surface 111.So being guided by lead-in chamfered 211, fixture block 21 can easily screw under clamping platform 11.
As in figure 2 it is shown, floor drain body 1 bottom surface is connected with secondary spring 6, secondary spring 6 one end is affixed with floor drain body 1, and the other end abuts with seal 3.When returning to opening from air-tight state, it is necessary to Cancellation Missed 2 and seal 3 are mentioned, seal 3 is applied an elastic force upwards by spring 141, and auxiliary people overcomes both gravity they to be mentioned, and saves manpower.
This specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; the present embodiment can be made the amendment not having creative contribution as required by those skilled in the art after reading this specification, but as long as being affected by the protection of Patent Law in right of the present utility model.

Claims (9)

1. a gas defence blastproof strainer, including floor drain body (1), Cancellation Missed (2) and the seal (3) being fixed in floor drain body (1) lower section;Cancellation Missed (2) edge is connected with fixture block (21) disposed circumferentially around, floor drain body (1) inner wall edge is connected with the clamping platform (11) of at least two, clamping platform (11) two ends are provided with limited block and lower surface is formed with the bearing surface (111) matched with fixture block (21), the buckling groove (131) matched with fixture block (21) it is formed with between two pieces of limited blocks, it is characterized in that: limited block includes being positioned at the slipping block (12) of clamping platform (11) side and is positioned at the fixed block (13) of clamping platform (11) opposite side, slipping block (12) is connected with clamping platform (11) sliding, and floor drain body (1) has the placing trough (14) placing slipping block (12).
2. gas defence blastproof strainer according to claim 1, it is characterised in that: being provided with spring (141) in placing trough (14), spring (141) two ends abut slipping block (12) and floor drain body (1) respectively.
3. gas defence blastproof strainer according to claim 1, it is characterized in that: slipping block (12) is arranged on each clamping platform (11) same to one end, the face that slipping block (12) abuts with fixture block (21) is formed and easily pushes away inclined-plane (121).
4. gas defence blastproof strainer according to claim 1, it is characterised in that: clamping platform (11) lopsidedness extends downward adjacent clamping platform (11) lower section, is formed with slideway (4).
5. gas defence blastproof strainer according to claim 4, it is characterised in that: buckling groove (131) bottom surface and slideway (4) have ball grooves, are rotatably connected to ball (5) in ball grooves.
6. gas defence blastproof strainer according to claim 1, it is characterized in that: floor drain body (1) bottom surface is connected with secondary spring (6), secondary spring (6) one end is affixed with floor drain body (1), and the other end abuts with seal (3).
7. gas defence blastproof strainer according to claim 1, it is characterised in that: being provided with two through holes and U-shaped handle (7) on Cancellation Missed (2), the two ends of U-shaped handle (7) extend through through hole and are formed with location hook.
8. gas defence blastproof strainer according to claim 7, it is characterized in that: Cancellation Missed (2) have the groove (22) placing U-shaped handle (7) and has hook hole (23), hooking and hole (23) are positioned at groove (22) middle part.
9. gas defence blastproof strainer according to claim 1, it is characterised in that: fixture block (21) upper surface forms lead-in chamfered (211) and the abutment plane (212) abutted with bearing surface (111).
CN201620164635.XU 2016-03-04 2016-03-04 Explosion -proof floor drain of gas defense Expired - Fee Related CN205382552U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620164635.XU CN205382552U (en) 2016-03-04 2016-03-04 Explosion -proof floor drain of gas defense

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620164635.XU CN205382552U (en) 2016-03-04 2016-03-04 Explosion -proof floor drain of gas defense

Publications (1)

Publication Number Publication Date
CN205382552U true CN205382552U (en) 2016-07-13

Family

ID=56350218

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620164635.XU Expired - Fee Related CN205382552U (en) 2016-03-04 2016-03-04 Explosion -proof floor drain of gas defense

Country Status (1)

Country Link
CN (1) CN205382552U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106869287A (en) * 2016-12-29 2017-06-20 广州巨茗自控技术有限公司 A kind of floor drain
CN108729497A (en) * 2018-07-16 2018-11-02 宁波市鄞州精铸五金厂 A kind of excavator bucket teeth
CN108797766A (en) * 2018-06-22 2018-11-13 李克全 A kind of lifting floor drain
CN109252580A (en) * 2017-07-13 2019-01-22 广东人防建筑设计院有限公司 Air-raid shelter's oral area gravity drainage system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106869287A (en) * 2016-12-29 2017-06-20 广州巨茗自控技术有限公司 A kind of floor drain
CN109252580A (en) * 2017-07-13 2019-01-22 广东人防建筑设计院有限公司 Air-raid shelter's oral area gravity drainage system
CN108797766A (en) * 2018-06-22 2018-11-13 李克全 A kind of lifting floor drain
CN108729497A (en) * 2018-07-16 2018-11-02 宁波市鄞州精铸五金厂 A kind of excavator bucket teeth

Similar Documents

Publication Publication Date Title
CN205382552U (en) Explosion -proof floor drain of gas defense
US8985406B2 (en) Plug for use in a beverage container
US20130320251A1 (en) Plug for use in a beverage container
CN206723477U (en) A kind of auto-closed water tap for being conveniently replaceable valve element
CN104864134A (en) Safety valve
DK1847467T3 (en) Plug into a container
CN205175037U (en) Chinese herbal medicine sunning panel
CN108105416B (en) Solenoid valve
CN206667387U (en) A kind of downspout device
CN207226066U (en) Chromatographic column storage box in a kind of gas chromatograph
CN204739276U (en) Safety valve
CN206417371U (en) A kind of aqueous industrial paint can
CN213464739U (en) Cup body assembly and beverage brewing device
CN206964739U (en) A kind of three-stage tampon applicator
CN211039703U (en) Butterfly valve capable of easily rotating
CN207314488U (en) A kind of blastproof strainer
CN205577082U (en) It leaks to remove peculiar smell detachably
CN218236155U (en) Drain valve
CN217896648U (en) Buried fire hydrant for fire engineering
CN207796398U (en) A kind of anti-foreign matter protective cover for pipeline opening
CN208885786U (en) A kind of sealing bearing that waterproof performance is good
CN211262694U (en) Valve static pressure test device
CN207961927U (en) A kind of water circulation type mechanical shock absorption means
CN209509804U (en) A kind of safety door shield convenient to use
CN211449775U (en) Flameless discharge device capable of being used repeatedly

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160713

Termination date: 20170304

CF01 Termination of patent right due to non-payment of annual fee