CN111927760A - Water pump adapter - Google Patents

Water pump adapter Download PDF

Info

Publication number
CN111927760A
CN111927760A CN202010739529.0A CN202010739529A CN111927760A CN 111927760 A CN111927760 A CN 111927760A CN 202010739529 A CN202010739529 A CN 202010739529A CN 111927760 A CN111927760 A CN 111927760A
Authority
CN
China
Prior art keywords
annular
water pump
wall
pump adapter
water
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Withdrawn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
CN202010739529.0A
Other languages
Chinese (zh)
Inventor
鲍玲芳
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 CN202010739529.0A priority Critical patent/CN111927760A/en
Publication of CN111927760A publication Critical patent/CN111927760A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/16Casings; Cylinders; Cylinder liners or heads; Fluid connections
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C31/00Delivery of fire-extinguishing material
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C33/00Hose accessories
    • A62C33/06Hose or pipe bridges
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/22Arrangements for enabling ready assembly or disassembly

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Details Of Reciprocating Pumps (AREA)

Abstract

The invention discloses a water pump adapter, and belongs to the field of water pump adapters. A water pump adapter comprises a water inlet pipe and a water outlet pipe, wherein the water inlet pipe is arranged on the water pump adapter, the water outlet pipe is connected onto a fire engine, an annular clamping groove is formed in the inlet end of the water inlet pipe, an annular disc is fixedly connected to the tail end of the water outlet pipe, an annular bump matched with the annular clamping groove is fixedly connected to the side wall of the annular disc, a plurality of first end covers are fixedly connected to the side wall of the water inlet pipe, first pistons are slidably connected into the first end covers, the first pistons are elastically connected with the inner tops of the first end covers through first springs, an auxiliary fixing device connected with the first end covers is arranged on the outer wall of the inlet end of the water inlet pipe, and a reinforcing sealing device is arranged between the inner wall of the annular clamping groove and the first; the water inlet pipe of the reclaimed water pump adapter enables the water outlet pipe of the fire engine to be connected with the reclaimed water pump adapter more stably under the action of water pressure, and the sealing performance is higher.

Description

Water pump adapter
Technical Field
The invention relates to the technical field of water pump adapters, in particular to a water pump adapter.
Background
When a fire occurs, the water pump of the fire engine can be quickly and conveniently connected with the fire-fighting equipment in the building through the interface of the adapter, and the water is sent and pressurized, so that the indoor fire-fighting equipment can obtain sufficient pressure water source to extinguish the fire on different floors, and the problem that the fire engine is difficult to extinguish the fire or the indoor fire-fighting equipment cannot extinguish the fire due to insufficient pressure water source after the building has the fire is effectively solved.
At present, the water inlet of the water pump adapter and the water delivery pipe of the fire engine are connected through threads, when the water pressure in the water pump adapter is large, the inlet threads of the adapter can bear large shearing force, and water leakage is easy to occur due to the large water pressure, so that the water in a building is pressurized by the fire engine, and the normal use of fire fighting equipment in the building is influenced.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a water pump adapter.
In order to achieve the purpose, the invention adopts the following technical scheme:
a water pump adapter, which comprises a water inlet pipe arranged on the water pump adapter and a water outlet pipe connected with a fire engine, the inlet end of the water inlet pipe is provided with an annular clamping groove, the tail end of the water outlet pipe is fixedly connected with an annular disc, the side wall of the annular disc is fixedly connected with an annular bump matched with the annular clamping groove, the outer wall of the annular bump is in threaded connection with the inner wall of the annular clamping groove, the tail end of the water inlet pipe is fixedly provided with a first sealing ring, the side wall of the water inlet pipe is fixedly connected with a plurality of first end covers, a plurality of first pistons are connected in the first end covers in a sliding way, the first pistons are elastically connected with the inner tops of the first end covers through first springs, the outer wall of the inlet end of the water inlet pipe is provided with an auxiliary fixing device connected with the first end cover, and a reinforcing sealing device is arranged between the inner wall of the annular clamping groove and the first end cover.
Preferably, supplementary fixing device includes the ring carrier of fixed connection at the inlet pipe outer wall, the second end cover that a plurality of circumferences of the lateral wall fixedly connected with of ring carrier distribute, and is a plurality of the second end cover is corresponding with a plurality of first end covers respectively, and is a plurality of the equal sliding connection in inside of second end cover has the second piston, through second spring elastic connection between the interior bottom of second piston and second end cover, the equal fixedly connected with of lateral wall and annular disk complex inclined plane slider of second piston, through first connecting pipe fixed connection and intercommunication between the interior top of first end cover and the interior bottom of second end cover.
Preferably, strengthen sealing device including setting up the annular groove at the ring channel inner wall, the hollow annular rubber circle of inner wall fixedly connected with of annular groove, through second connecting pipe fixed connection and intercommunication between the interior top of annular rubber circle and first end cover.
Preferably, the outer edge of the annular disc is provided with a stress inclined plane matched with the inclined plane sliding block.
Preferably, the first connecting pipe and the second connecting pipe are both made of stainless steel.
Preferably, the side wall of the annular disc is provided with a first sealing groove matched with the sealing ring.
Preferably, the inner wall of the annular bump is provided with a second sealing groove matched with the annular rubber ring.
Preferably, a plurality of exhaust pipes are arranged at the tail ends of the first end covers, and the tail ends of the exhaust pipes are in threaded connection with a third end cover.
Preferably, the outer wall of the third end cover is provided with anti-slip threads.
Preferably, the thread length of the outer wall of the annular bump is 8 mm.
Compared with the prior art, the invention provides a water pump adapter which has the following beneficial effects:
1. this water pump adapter, when the water pressure increase of inlet tube, first piston slides to the interior top of first end cover under hydraulic effect, thereby compress the gas at top in the first end cover, it carries in the second end cover through first connecting pipe to be carried by pressurized gas, the second piston drives the outside wall slip of inclined plane slider under atmospheric pressure effect, and the top is tight in the outer fringe of annular disc, thereby make the more stable fixing of annular disc difficult not hard up on the inlet tube, and the shearing force that receives of the annular lug outer wall screw thread that significantly reduces.
2. This water pump adapter, in the water pressure grow, first end cover still through the second connecting pipe with the gaseous annular rubber circle of carrying of compression, the annular rubber circle of hollow setting is under the air effect of compression and the inflation to offset with the inner wall of annular lug, annular rubber circle then further promotes the leakproofness between inlet tube and the outlet pipe this moment, and can also promote the leakproofness along with hydraulic increase, effectively reduce the condition of hourglass water.
Drawings
Fig. 1 is a schematic structural view of a water pump adapter according to the present invention;
fig. 2 is a schematic structural view of a water pump adapter according to the present invention at a point a in fig. 1;
fig. 3 is a schematic structural diagram of a water pump adapter according to the present invention at B in fig. 1;
fig. 4 is a schematic diagram of a water inlet pipe axial structure of the water pump adapter according to the present invention.
In the figure: 1. a water inlet pipe; 2. a water outlet pipe; 3. an annular disc; 4. an annular projection; 5. an annular neck; 6. a first end cap; 7. a first piston; 8. a first spring; 9. an annular support; 10. a second end cap; 11. an exhaust pipe; 12. a third end cap; 13. a first connecting pipe; 14. a second piston; 15. a second spring; 16. a force-bearing inclined plane; 17. a bevel slider; 18. an annular groove; 19. an annular rubber ring; 20. a second connecting pipe; 21. a seal ring; 22. a first seal groove; 23. a second seal groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1-4, a water pump adapter comprises a water inlet pipe 1 arranged on the water pump adapter and a water outlet pipe 2 connected on a fire engine, wherein the inlet end of the water inlet pipe 1 is provided with an annular clamping groove 5, the tail end of the water outlet pipe 2 is fixedly connected with an annular disc 3, the side wall of the annular disc 3 is fixedly connected with an annular convex block 4 matched with the annular clamping groove 5, the outer wall of the annular convex block 4 is in threaded connection with the inner wall of the annular clamping groove 5, the tail end of the water inlet pipe 1 is fixedly provided with a first sealing ring 21, the side wall of the water inlet pipe 1 is fixedly connected with a plurality of first end caps 6, a plurality of first pistons 7 are slidably connected in the first end caps 6, the plurality of first pistons 7 are elastically connected with the inner tops of the first end caps 6 through first springs 8, the outer wall of the inlet end of the water inlet pipe 1 is provided with an auxiliary fixing device connected with the first end, when using, with the terminal annular lug 4 threaded connection of outlet pipe 2 of fire engine to ring groove 5 in, the connection is accomplished back sealing washer 21 and is laminated mutually with the inner wall of annular disc 3 to accomplish sealedly, when the water pressure increase of inlet tube 1, outlet pipe 2 is more stable fixing on inlet tube 1 under auxiliary fixture and the effect of strengthening sealing device.
Furthermore, the side wall of the annular disc 3 is provided with a first sealing groove 22 matched with the sealing ring 21, so that the sealing effect is improved.
Furthermore, the length of the thread on the outer wall of the annular convex block 4 is 8mm, and the shorter thread enables the connection between the water outlet pipe 2 and the water inlet pipe 1 to be quicker.
Example 2
Referring to fig. 1, 3 and 4, basically the same as embodiment 1, further: the auxiliary fixing device comprises an annular support 9 fixedly connected to the outer wall of the water inlet pipe 1, a plurality of second end covers 10 distributed circumferentially are fixedly connected to the side wall of the annular support 9, the plurality of second end covers 10 correspond to the plurality of first end covers 6 respectively, a second piston 14 is slidably connected inside each of the plurality of second end covers 10, the second piston 14 is elastically connected with the inner bottom of the second end cover 10 through a second spring 15, the side wall of the second piston 14 is fixedly connected with an inclined slide block 17 matched with the annular disc 3, the inner top of the first end cover 6 is fixedly connected and communicated with the inner bottom of the second end cover 10 through a first connecting pipe 13, when the water pressure of the water inlet pipe 1 is increased, the first piston 7 slides towards the inner top of the first end cover 6 under the action of the water pressure, so as to compress the gas at the inner top of the first end cover 6, the pressurized gas is conveyed into the second end covers 10 through the first connecting pipe 13, the second piston 14 drives the inclined plane slide block 17 to slide towards the outer wall under the action of air pressure and tightly pushes against the outer edge of the annular disc 3, so that the annular disc 3 is more stably fixed on the water inlet pipe 1 and is not easy to loosen, and the shearing force of the thread on the outer wall of the annular convex block 4 is greatly reduced.
Furthermore, the outer edge of the annular disk 3 is provided with a stress inclined plane 16 matched with the inclined plane slide block 17, so that the stress between the inclined plane slide block 17 and the annular disk 3 is more uniform.
Further, the inner wall of the annular projection 4 is provided with a second sealing groove 23 which is matched with the annular rubber ring 19. The sealing effect is improved.
Example 3
Referring to fig. 1 and 2, basically the same as the embodiment 1, further: strengthen sealing device including setting up the annular groove 18 at 5 inner walls of ring groove, the hollow annular rubber circle 19 of inner wall fixedly connected with of annular groove 18, through second connecting pipe 20 fixed connection and intercommunication between the interior top of annular rubber circle 19 and first end cover 6, in the water pressure grow, first end cover 6 still carries the compressed gas in annular rubber circle 19 through second connecting pipe 20, the annular rubber circle 19 of hollow setting is under the air effect of compression and the inflation, thereby offset with the inner wall of annular lug 4, annular rubber circle 19 then further promotes the leakproofness between inlet tube 1 and the outlet pipe 2 this moment, and can also promote the leakproofness along with hydraulic increase, effectively reduce the condition of hourglass water.
Furthermore, the first connecting pipe 13 and the second connecting pipe 20 are made of stainless steel, so that the first connecting pipe and the second connecting pipe are not easy to rust and block.
Example 4
Referring to fig. 1, substantially the same as in embodiment 1, further: the tail ends of the first end covers 6 are provided with exhaust pipes 11, the tail ends of the exhaust pipes 11 are in threaded connection with third end covers 12, when the exhaust pipes 11 are used, the third end covers 12 open the exhaust pipes 11, the first piston 7 and the second piston 14 elastically reset under the action of the first spring 8 and the second spring 15 respectively, then the inclined plane sliding block 17 and the annular rubber ring 19 reset simultaneously, and at the moment, the annular convex blocks 4 can be screwed out of the annular clamping grooves 5.
Furthermore, the outer wall of the third end cap 12 is provided with anti-slip threads, so that the third end cap 12 is more labor-saving to screw.
The working principle is as follows: in the invention, when in use, the annular convex block 4 at the tail end of the water outlet pipe 2 of the fire engine is connected into the annular clamping groove 5 in a threaded manner, the sealing ring 21 is attached to the inner wall of the annular disc 3 after the connection is finished, thereby the sealing is finished, when the water pressure of the water inlet pipe 1 is increased, the first piston 7 slides towards the inner top of the first end cover 6 under the action of the water pressure, thereby the gas at the inner top of the first end cover 6 is compressed, the pressurized gas is conveyed into the second end cover 10 through the first connecting pipe 13, the second piston 14 drives the inclined plane slide block 17 to slide towards the outer wall under the action of the air pressure and is tightly propped against the outer edge of the annular disc 3, thereby the annular disc 3 is more stably fixed on the water inlet pipe 1 and is not easy to loosen, the shearing force of the thread on the outer wall of the annular convex block 4 is greatly reduced, meanwhile, the first end cover 6 also conveys the, the annular rubber circle 19 of hollow setting is under the air effect of compression and the inflation, thereby offset with the inner wall of annular lug 4, annular rubber circle 19 then further promotes the leakproofness between inlet tube 1 and the outlet pipe 2 this moment, and can also promote the leakproofness along with hydraulic increase, effectively reduce the condition of leaking, when using to finish, open blast pipe 11 through third end cover 12, first piston 7 and second piston 14 elasticity resets under the effect of first spring 8 and second spring 15 respectively, then inclined plane slider 17 resets with annular rubber circle 19 simultaneously, can twist out annular lug 4 from annular clamping groove 5 at this moment.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (10)

1. The water pump adapter comprises a water inlet pipe (1) arranged on the water pump adapter and a water outlet pipe (2) connected to a fire engine, and is characterized in that an annular clamping groove (5) is formed in the inlet end of the water inlet pipe (1), an annular disc (3) is fixedly connected to the tail end of the water outlet pipe (2), an annular convex block (4) matched with the annular clamping groove (5) is fixedly connected to the side wall of the annular disc (3), the outer wall of the annular convex block (4) is in threaded connection with the inner wall of the annular clamping groove (5), a first sealing ring (21) is fixedly installed at the tail end of the water inlet pipe (1), a plurality of first end covers (6) are fixedly connected to the side wall of the water inlet pipe (1), a plurality of first pistons (7) are slidably connected into the first end covers (6), and the first pistons (7) are elastically connected with the inner tops of the first end covers (6) through first springs (8), the inlet end outer wall of the water inlet pipe (1) is provided with an auxiliary fixing device connected with the first end cover (6), and a reinforcing sealing device is arranged between the inner wall of the annular clamping groove (5) and the first end cover (6).
2. A water pump adapter according to claim 1, characterized in that said auxiliary fixing means comprise a ring-shaped bracket (9) fixedly connected to the outer wall of the water inlet pipe (1), the side wall of the annular support (9) is fixedly connected with a plurality of second end covers (10) which are distributed circumferentially, the plurality of second end covers (10) respectively correspond to the plurality of first end covers (6), the interiors of the plurality of second end covers (10) are respectively connected with a second piston (14) in a sliding manner, the second piston (14) is elastically connected with the inner bottom of the second end cover (10) through a second spring (15), the side walls of the second pistons (14) are fixedly connected with inclined surface slide blocks (17) matched with the annular disc (3), the inner top of the first end cover (6) is fixedly connected and communicated with the inner bottom of the second end cover (10) through a first connecting pipe (13).
3. The water pump adapter as claimed in claim 1, characterized in that the reinforced sealing device comprises an annular groove (18) arranged on the inner wall of the annular clamping groove (5), a hollow annular rubber ring (19) is fixedly connected to the inner wall of the annular groove (18), and the annular rubber ring (19) is fixedly connected and communicated with the inner top of the first end cover (6) through a second connecting pipe (20).
4. A water pump adapter according to claim 2, characterized in that the outer edge of the annular disc (3) is provided with a force-bearing ramp (16) cooperating with a ramp slide (17).
5. A water pump adapter according to claim 2, characterized in that the first connecting pipe (13) and the second connecting pipe (20) are both made of stainless steel.
6. A water pump adapter according to claim 1, characterized in that the side wall of the annular disc (3) is provided with a first sealing groove (22) cooperating with the sealing ring (21).
7. A water pump adapter according to claim 1, characterized in that the inner wall of the annular projection (4) is provided with a second sealing groove (23) cooperating with an annular rubber ring (19).
8. A water pump adapter according to claim 1, characterized in that a plurality of said first end caps (6) are provided at their distal ends with exhaust pipes (11), and a third end cap (12) is screwed to the distal end of said exhaust pipes (11).
9. A water pump adapter according to claim 8, characterized in that the outer wall of the third end cap (12) is provided with anti-slip threads.
10. A water pump adapter according to claim 1, characterized in that the thread length of the outer wall of the annular projection (4) is 8 mm.
CN202010739529.0A 2020-07-28 2020-07-28 Water pump adapter Withdrawn CN111927760A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010739529.0A CN111927760A (en) 2020-07-28 2020-07-28 Water pump adapter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010739529.0A CN111927760A (en) 2020-07-28 2020-07-28 Water pump adapter

Publications (1)

Publication Number Publication Date
CN111927760A true CN111927760A (en) 2020-11-13

Family

ID=73314718

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010739529.0A Withdrawn CN111927760A (en) 2020-07-28 2020-07-28 Water pump adapter

Country Status (1)

Country Link
CN (1) CN111927760A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115126946A (en) * 2022-06-27 2022-09-30 马崇琦 High-pressure flange
CN115978349A (en) * 2022-12-27 2023-04-18 鄂尔多斯市腾远煤炭有限责任公司 Water pump butt joint structure of coal mine drainage system and use method thereof

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017067249A (en) * 2015-10-02 2017-04-06 株式会社ニフコ Lock mechanism for tubular body
CN107575680A (en) * 2017-09-21 2018-01-12 安徽荣达阀门有限公司 A kind of valve with quick coupling device
KR20180000500U (en) * 2016-08-12 2018-02-21 박기두 Hose connector of Fire feedwater pump
US20180230758A1 (en) * 2017-02-10 2018-08-16 Dril-Quip, Inc. Radial Ratchet Dog Anti-Rotation Device
CN208365030U (en) * 2018-07-02 2019-01-11 四川润物供水系统有限公司 A kind of domestic water force (forcing) pump facilitating fixed installation
CN210164959U (en) * 2019-07-09 2020-03-20 盐城科宇机械制造有限公司 Exhaust check valve for spaceflight
CN210770887U (en) * 2019-11-01 2020-06-16 诸暨爱克圣兰模具有限公司 Quick-operation joint convenient to installation

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017067249A (en) * 2015-10-02 2017-04-06 株式会社ニフコ Lock mechanism for tubular body
KR20180000500U (en) * 2016-08-12 2018-02-21 박기두 Hose connector of Fire feedwater pump
US20180230758A1 (en) * 2017-02-10 2018-08-16 Dril-Quip, Inc. Radial Ratchet Dog Anti-Rotation Device
CN107575680A (en) * 2017-09-21 2018-01-12 安徽荣达阀门有限公司 A kind of valve with quick coupling device
CN208365030U (en) * 2018-07-02 2019-01-11 四川润物供水系统有限公司 A kind of domestic water force (forcing) pump facilitating fixed installation
CN210164959U (en) * 2019-07-09 2020-03-20 盐城科宇机械制造有限公司 Exhaust check valve for spaceflight
CN210770887U (en) * 2019-11-01 2020-06-16 诸暨爱克圣兰模具有限公司 Quick-operation joint convenient to installation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115126946A (en) * 2022-06-27 2022-09-30 马崇琦 High-pressure flange
CN115978349A (en) * 2022-12-27 2023-04-18 鄂尔多斯市腾远煤炭有限责任公司 Water pump butt joint structure of coal mine drainage system and use method thereof

Similar Documents

Publication Publication Date Title
CN111927760A (en) Water pump adapter
CN211816624U (en) Multipurpose fire-fighting water pump adapter
CN210003813U (en) Composite inflatable sealing ring
CN201225479Y (en) Fast connecting apparatus for fluid pipe
CN206802551U (en) A kind of bayonet type quickly jointed tubular workpieces
CN105065228A (en) Inflator of inserting structure
CN205172893U (en) Mixed type inflater
CN114165488A (en) Bag type energy accumulator
CN212376822U (en) Air compressor suction valve
CN212226687U (en) Novel automatic adjustable gas holder
CN204877834U (en) Plug -in type structure inflator
CN207734508U (en) A kind of portable multi-function fire-fighting main battle weaponry
CN211550824U (en) Stainless steel pipeline connecting piece for building fire fighting
CN101761720A (en) Rapid connection device for fluid pipeline
CN203375015U (en) Water inlet and outlet pipe connector structure of water purifier
CN109323064A (en) Fast connecting device of pipelines is used in a kind of processing of new energy
CN204345252U (en) Ring main unit gas-charging connection
CN106870851A (en) Pipelines of automobile air conditioner exempts to vacuumize snap joint and its installation method
CN207715345U (en) A kind of exhaust structure of oil-free piston type air compressor
CN217381779U (en) Overpressure multiple protection mechanism for gas heating power pipeline
CN210600523U (en) Aerify switching device
CN208905919U (en) A kind of fire extinguisher easy to use
CN211488186U (en) Manual airless spray gun
CN217815594U (en) Quick pneumatic connector capable of automatically popping out plug
CN208959488U (en) A kind of compressed air distributor

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

Application publication date: 20201113

WW01 Invention patent application withdrawn after publication