CN114165664A - Direct insertion type water pipe quick connector - Google Patents

Direct insertion type water pipe quick connector Download PDF

Info

Publication number
CN114165664A
CN114165664A CN202111325951.2A CN202111325951A CN114165664A CN 114165664 A CN114165664 A CN 114165664A CN 202111325951 A CN202111325951 A CN 202111325951A CN 114165664 A CN114165664 A CN 114165664A
Authority
CN
China
Prior art keywords
pipe
wall
connecting pipe
cavity
transfusion
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Withdrawn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
CN202111325951.2A
Other languages
Chinese (zh)
Inventor
张力
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 CN202111325951.2A priority Critical patent/CN114165664A/en
Publication of CN114165664A publication Critical patent/CN114165664A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00—Couplings of the quick-acting type
    • F16L37/28—Couplings of the quick-acting type with fluid cut-off means
    • F16L37/38—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of the two pipe-end fittings
    • F16L37/40—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of the two pipe-end fittings with a lift valve being opened automatically when the coupling is applied
    • F16L37/407—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of the two pipe-end fittings with a lift valve being opened automatically when the coupling is applied the lift valve being of the ball type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00—Couplings of the quick-acting type
    • F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
    • F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00—Couplings of the quick-acting type
    • F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
    • F16L37/12—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using hooks, pawls or other movable or insertable locking members
    • F16L37/1225—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using hooks, pawls or other movable or insertable locking members using a retaining member the extremities of which, e.g. in the form of a U, engage behind a shoulder of both parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00—Couplings of the quick-acting type
    • F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
    • F16L37/12—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using hooks, pawls or other movable or insertable locking members
    • F16L37/1235—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using hooks, pawls or other movable or insertable locking members the connection taking place from inside the pipes

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

The invention relates to the technical field of water pipe connection correlation, and discloses a direct-insertion type water pipe quick connector which comprises a connecting pipe, wherein two sides of the inner wall of the connecting pipe are respectively provided with a fixed cavity, the middle part of the inner wall of the connecting pipe is provided with a transfusion cavity communicated with the fixed cavity, two ends of the connecting pipe are provided with connecting grooves communicated with the fixed cavity, a transfusion pipe is movably arranged on the inner wall of the connecting pipe, the side wall of the transfusion pipe is in sliding connection with the connecting grooves, and the top ends of the connecting grooves are positioned in the transfusion cavity. The connecting pipe is internally provided with the plugging sleeve, and the plugging sleeve is tightly pressed by the side wall of the infusion tube in the process of connecting the connecting pipe with the infusion tube, so that the infusion tube is fixed, and meanwhile, in the process of pulling the infusion tube out of the connecting pipe, the connecting groove is plugged by the plugging sleeve, so that the overflow of water flow is avoided, and the aims of facilitating fixing and unidirectional closure are finally fulfilled.

Description

Direct insertion type water pipe quick connector
Technical Field
The invention relates to the technical field of water pipe connection, in particular to a direct-insertion type water pipe quick connector.
Background
The water pipe joint means that two water pipes are fixed through the joint to realize the communication of water flows in the two water pipes.
And at actual connection's in-process, the less stereoplasm water pipe of its diameter is at the in-process of connecting, because it is difficult for adopting threaded connection, and threaded connection's pipeline easily appears rusty when using for a long time, thereby be unfavorable for the fixed of small diameter pipeline, and to the pipe joint of formula of cuting straightly, it mainly relies on the spring to promote the ejector pad and realizes pressing from both sides tight to the pipeline, therefore its ejector pad is at the in-process of activity, can be owing to be difficult for sealed phenomenon that leads to its leakage, therefore, cause the pipeline to appear the phenomenon of drippage after fixed, and, current connecting tube is when changing the water pipe, can be because the inside outflow of its rivers diameter passes through the connecting pipe, thereby after the water pipe of its connecting tube one end is extracted, play water that can last, not only be unfavorable for the installation of pipeline, simultaneously, still cause the large amount of waste of water resource.
Disclosure of Invention
Aiming at the defects of the existing connecting pipeline in the use process in the background technology, the invention provides the direct-insertion type water pipe quick connector which has the advantages of convenience in fixing and unidirectional interception, convenience in transmission, enhanced fixing strength and double sealing, and solves the technical problems in the background technology.
The invention provides the following technical scheme: the utility model provides a cut straightly formula water pipe quick-operation joint, includes the connecting pipe, fixed chamber has been seted up respectively to the inner wall both sides of connecting pipe, and the inner wall middle part of connecting pipe offers and is used for the communicating infusion chamber in fixed chamber, the both ends of connecting pipe seted up with the communicating spread groove in fixed chamber, the inner wall movable mounting of connecting pipe has the transfer line, and the lateral wall and the spread groove sliding connection of transfer line, the top of spread groove is arranged in the infusion chamber, the inner wall of connecting pipe has been placed and is used for realizing the fixed shutoff cover of its transfer line, and the inner wall movable mounting of shutoff cover has ball skeleton, the both sides difference fixed mounting of connecting pipe has and is used for realizing forming sealed seal ring between transfer line lateral wall and the connecting pipe.
Preferably, the limiting groove has been seted up respectively to the inner wall both sides of connecting pipe, and the inner wall of connecting pipe and the outside fixed mounting that is located the limiting groove have seal ring, the infusion pipe of movable mounting realizes on the limiting groove that the infusion chamber constitutes sealed cavity, and the inner wall fixed mounting of connecting pipe has the booster pipe, the one end of booster pipe communicates with each other with the infusion chamber, and the other end of booster pipe communicates with each other with the inner chamber of shutoff cover.
Preferably, the ball skeleton is set to be a metal ball skeleton, and the end surface diameter value of the ball skeleton is one centimeter more than the distance value between the central axis of the connecting groove and the inner wall of the fixed cavity.
Preferably, the plugging sleeve is made of soft hollow rubber.
Preferably, the end face of the fixed cavity is designed to be an octagon with a symmetrical central axis, and two sides of the inner wall of the fixed cavity are respectively provided with an oblique angle.
Preferably, the limiting groove and the connecting groove are coaxial, and the end surface diameter values of the connecting groove and the limiting groove are equal.
The invention has the following beneficial effects:
1. the connecting pipe is internally provided with the plugging sleeve, and the plugging sleeve is tightly pressed by the side wall of the infusion tube in the process of connecting the connecting pipe with the infusion tube, so that the infusion tube is fixed, and meanwhile, in the process of pulling the infusion tube out of the connecting pipe, the connecting groove is plugged by the plugging sleeve, so that the overflow of water flow is avoided, and the aims of facilitating fixing and unidirectional closure are finally fulfilled.
2. The inner wall of the connecting pipe is provided with the limiting groove, so that the transfusion cavity is enabled to form a sealed space through fixing between the limiting groove and the transfusion pipe, the medium in the transfusion pipe is further enabled to be more quickly transmitted into another transfusion pipe through the transfusion cavity, the transmission rate of the medium is ensured, meanwhile, the sealed transfusion cavity constructed through the limiting groove is communicated with the inner cavity of the plugging sleeve through the pressurization pipe, the side wall of the transfusion pipe is further enabled to be enhanced in pressure through pressure enhancement in the transfusion cavity, the transfusion pipe is enabled to be stably fixed, meanwhile, the sealing performance of the transfusion cavity is ensured through the stably fixed transfusion pipe, double sealing of connection between the transfusion pipes is achieved through enabling the limiting groove and the connecting groove, the sealing performance of connection is greatly enhanced, and the purposes of facilitating transmission, enhancing fixing strength and double sealing are finally achieved.
Drawings
FIG. 1 is a schematic sectional view of the overall assembly of the structure of the present invention;
FIG. 2 is a schematic view of a structural plugging sleeve of the present invention;
FIG. 3 is a schematic view of the structural medium flow and the stress state of the ball suspension.
In the figure: 1. a connecting pipe; 2. plugging the sleeve; 3. a fixed cavity; 4. a pressure increasing pipe; 5. a limiting groove; 6. a transfusion cavity; 7. a transfusion tube; 8. a sealing gasket; 9. connecting grooves; 10. a ball framework.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and 2, a direct-insert water pipe quick connector comprises a connecting pipe 1, wherein two sides of the inner wall of the connecting pipe 1 are respectively provided with a fixed cavity 3, meanwhile, the middle part of the inner wall of the connecting pipe 1 is provided with an infusion cavity 6 for communicating the fixed cavity 3, meanwhile, two ends of the connecting pipe 1 are provided with connecting grooves 9 for communicating the fixed cavity 3, the inner wall of the connecting pipe 1 is movably provided with an infusion pipe 7, the side wall of the infusion pipe 7 is slidably connected with the connecting grooves 9, the top end of the connecting grooves 9 is positioned in the infusion cavity 6, meanwhile, the inner wall of the connecting pipe 1 is provided with a plugging sleeve 2 for fixing the infusion pipe 7, the inner wall of the plugging sleeve 2 is movably provided with a ball framework 10, meanwhile, two sides of the connecting pipe 1 are respectively and fixedly provided with sealing gaskets 8 for sealing between the side wall of the infusion pipe 7 and the connecting pipe 1, therefore, in the actual use process, through the penetration of its transfer line 7 to realized the transfer line 7 through its seal washer 8 and inserting the in-process in fixed chamber 3, realize fixed chamber 3 sealed, and through the intervention of shutoff cover 2, thereby when the in-process of its transfer line 7 male, through the separation of its shutoff cover 2, promote and produce mutual effort between the transfer line 7 lateral wall, thereby realize the fixed of transfer line 7.
Referring to fig. 1, in order to enhance the sealing and fixing degree of the infusion tube 7 during the use process, the two sides of the inner wall of the connecting tube 1 are respectively provided with a limiting groove 5, a sealing washer 8 is fixedly mounted on the inner wall of the connecting tube 1 and outside the limiting groove 5, the infusion tube 7 movably mounted on the limiting groove 5 forms a sealed chamber with the infusion chamber 6, the inner wall of the connecting tube 1 is fixedly provided with a pressure tube 4, one end of the pressure tube 4 is communicated with the infusion chamber 6, the other end of the pressure tube 4 is communicated with the inner chamber of the plugging sleeve 2, so that the secondary sealing of the infusion tube 7 is achieved by the sealing washer 8 arranged outside the limiting groove 5, and simultaneously, the medium pressure in the sealed infusion chamber 6 is enhanced by the medium pressure in the infusion tube 7, further the medium pressure is applied to the inner chamber of the plugging sleeve 2, and the transfusion tube 7 is fixed by expanding the plugging sleeve 2, thereby further enhancing the fixing strength of the transfusion tube 7.
Referring to fig. 2, in order to realize that the infusion tube 7 is fixed by the plugging sleeve 2 and the ball skeleton 10 when the plugging sleeve 2 is inserted into the infusion tube 7, the ball skeleton 10 is a metal ball skeleton, and the diameter of the end surface of the ball skeleton 10 is one centimeter larger than the distance between the central axis of the connecting groove 9 and the inner wall of the fixed cavity 3, so that the side wall of the infusion tube 7 is ensured to bear the extrusion force caused by the ball skeleton 10 when the infusion tube 7 penetrates from the connecting groove 9, and the infusion tube 7 is ensured to be fixed after being installed.
Referring to fig. 1, in order to realize that the plugging sleeve 2 can be expanded by the infusion cavity 6, the plugging sleeve 2 can be automatically expanded to enhance the extrusion strength of the infusion tube 7, so that the plugging sleeve 2 is made of soft hollow rubber, on one hand, the extrusion strength of the infusion tube 7 is enhanced after the plugging sleeve 2 is expanded, and on the other hand, after the infusion tube 7 is drawn out by the plugging sleeve 2, the phenomenon of water leakage of the connecting groove 9 is ensured through the sealing performance of rubber.
Referring to fig. 1, in order to facilitate the insertion of the infusion tube 7, after the infusion tube 7 is resisted by the blocking sleeve 2, the top end of the infusion tube 7 can be inserted into the limiting groove 5, so that the end surface of the fixed cavity 3 is designed into an octagon with a symmetrical central axis, and two sides of the inner wall of the fixed cavity 3 are respectively provided with an oblique angle, so that one section of one oblique angle is connected with one end of the connecting groove 9, and one end of the other oblique angle is connected with one section of the limiting groove 5, thereby ensuring that the infusion tube 7 is pushed onto the oblique angle through the top end of the infusion tube 7 in the insertion process, and by continuously pushing forward, ensuring that the top end of the infusion tube 7 is transferred to the limiting groove 5, the side wall of the infusion tube can be tightly contacted with the blocking sleeve 2 to form a sealing fixation, and by using the other oblique angle, the blocking sleeve 2 can more easily perform the connection of the infusion tube 7 after the infusion tube 7 is drawn out from the connecting groove 9, plugging.
Referring to fig. 1, in order to ensure that the infusion tube 7 is sealed doubly, the limiting groove 5 and the connecting groove 9 are coaxial, and the connecting groove 9 and the limiting groove 5 have the same end surface diameter, so that the infusion tube 7 having the same diameter as the connecting groove 9 is inserted into the connecting groove 9 and then synchronously penetrates into the limiting groove 5, thereby achieving the purpose of sealing the same infusion tube 7 and ensuring that the infusion tube 7 can be sealed doubly after being installed.
In conclusion, the infusion tube 7 in the present application should have a certain bending strength during the use process, and the device is not suitable for flexible tubes such as hoses, and meanwhile, during the use process, the inner diameter of the connecting groove 9 is ensured to be the same as the diameter of the infusion tube 7, so that the sealing strength can be greatly enhanced.
The using method (working principle) of the invention is as follows:
the use state is as follows: two infusion tubes 7 are respectively inserted from connecting grooves 9 on two sides of a connecting tube 1, the top ends of the infusion tubes 7 penetrate through limiting grooves 5 and are positioned in an infusion cavity 6, at the moment, due to the insertion of the infusion tubes 7, the side walls of the infusion tubes 7 can press a ball framework 10, then mutual acting force between the side walls of the infusion tubes 7 and the inner wall of the connecting tube 1 is promoted through the ball framework 10 and a plugging sleeve 2, the force between the ball framework 10 and the plugging sleeve 2, relative to the inner wall of the connecting tube 1, and the force between the infusion tubes 7 are respectively F1 and F2, the two forces are equal, and therefore the ball framework 10 is pressed through the side walls of the infusion tubes 7 to fix the infusion tubes 7;
when the medium in one infusion tube 7 flows into the infusion cavity 6, the medium flows out from the other infusion tube 7 through the infusion cavity 6 to complete the transmission of the medium, and simultaneously, the medium in the infusion cavity 6 synchronously flows to the inner cavity of the blocking sleeve 2 through the pressurization pipe 4, and when the medium pressure in the infusion cavity 6 is increased, the medium pressure in the blocking sleeve 2 is synchronously increased and is expanded through the blocking sleeve 2, so that the force of F1 and F2 is enhanced, and the fixing capacity of the infusion tube 7 is further enhanced;
when one end of the infusion tube 7 needs to be replaced, as shown in the attached drawing 3, after the infusion tube 7 at the left end is pulled out, the medium in the infusion tube 7 at the right end can seal the connecting groove 9 by pushing the sealing sleeve 2, so that the medium in the fixed cavity 3 can not flow out to the outside, and the purpose of one-way closure and sealing is realized;
then, when the infusion tube 7 needs to be connected, the infusion tube 7 is directly inserted into the fixed cavity 3 through the connecting groove 9, and in the continuous insertion process, the top end of the infusion tube 7 penetrates through the limiting groove 5 again to enter the infusion cavity 6 to achieve communication between the infusion tubes 7.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a formula water pipe quick-operation joint cut straightly, includes connecting pipe (1), its characterized in that: the two sides of the inner wall of the connecting pipe (1) are respectively provided with a fixed cavity (3), the middle part of the inner wall of the connecting pipe (1) is provided with a transfusion cavity (6) used for communicating the fixed cavity (3), two ends of the connecting pipe (1) are provided with connecting grooves (9) communicated with the fixed cavity (3), the inner wall of the connecting pipe (1) is movably provided with a transfusion pipe (7), and the side wall of the transfusion tube (7) is connected with a connecting groove (9) in a sliding way, the top end of the connecting groove (9) is positioned in the transfusion cavity (6), the inner wall of the connecting pipe (1) is provided with a plugging sleeve (2) for fixing the transfusion pipe (7), and the inner wall of the plugging sleeve (2) is movably provided with a ball framework (10), and two sides of the connecting pipe (1) are respectively and fixedly provided with a sealing gasket (8) for realizing the sealing between the side wall of the infusion tube (7) and the connecting pipe (1).
2. An in-line water pipe quick connector as defined in claim 1, wherein: spacing groove (5) have been seted up respectively to the inner wall both sides of connecting pipe (1), and the inner wall of connecting pipe (1) and the outside fixed mounting that is located spacing groove (5) have seal ring (8), infusion chamber (6) constitution sealed cavity is realized in infusion pipe (7) of movable mounting on spacing groove (5), and the inner wall fixed mounting of connecting pipe (1) has booster pipe (4), the one end of booster pipe (4) communicates with each other with infusion chamber (6), and the other end of booster pipe (4) communicates with each other with the inner chamber of shutoff cover (2).
3. An in-line water pipe quick connector as defined in claim 2, wherein: the ball skeleton (10) is set to be a metal spherical skeleton, and the end surface diameter value of the ball skeleton (10) is one centimeter more than the distance value between the central axis of the connecting groove (9) and the inner wall of the fixed cavity (3).
4. An in-line water pipe quick connector as defined in claim 1, wherein: the plugging sleeve (2) is made of soft hollow rubber products.
5. An in-line water pipe quick connector as defined in claim 2, wherein: the end face shape of the fixed cavity (3) is designed to be an octagon with a symmetrical central axis, and oblique angles are respectively arranged on two sides of the inner wall of the fixed cavity (3).
6. An in-line water pipe quick connector as defined in claim 2, wherein: spacing groove (5) are established to be coaxial with spread groove (9), and spread groove (9) are equal with the terminal surface diameter value in spacing groove (5).
CN202111325951.2A 2021-11-10 2021-11-10 Direct insertion type water pipe quick connector Withdrawn CN114165664A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111325951.2A CN114165664A (en) 2021-11-10 2021-11-10 Direct insertion type water pipe quick connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111325951.2A CN114165664A (en) 2021-11-10 2021-11-10 Direct insertion type water pipe quick connector

Publications (1)

Publication Number Publication Date
CN114165664A true CN114165664A (en) 2022-03-11

Family

ID=80478559

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111325951.2A Withdrawn CN114165664A (en) 2021-11-10 2021-11-10 Direct insertion type water pipe quick connector

Country Status (1)

Country Link
CN (1) CN114165664A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114777032A (en) * 2022-04-19 2022-07-22 张明莉 Water conservancy water and electricity detection autoalarm that leaks

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114777032A (en) * 2022-04-19 2022-07-22 张明莉 Water conservancy water and electricity detection autoalarm that leaks
CN114777032B (en) * 2022-04-19 2024-05-14 张明莉 Automatic alarm device for water conservancy and hydropower leakage detection

Similar Documents

Publication Publication Date Title
CN114165664A (en) Direct insertion type water pipe quick connector
CN104864211A (en) Novel claw type tee joint and production technique thereof
CN208778930U (en) Exempt from card pressure pipe pipe connecting
CN203404512U (en) Thin-wall stainless steel pipe double-clamp-pressing type connector
CN214789574U (en) Municipal administration water supply and drainage pipeline connection structure
CN212617036U (en) Novel flexible hose joint is restoreed in non-excavation of oil field pipeline
CN210118563U (en) Pneumatic quick coupling
WO2019204951A1 (en) Pipe connecting structure
CN209026371U (en) It is a kind of can quickly clamping installation tee tube
CN116293136B (en) Connection structure is used in installation of hydraulic pressure rubber tube
CN112664736A (en) Ready-package hose
CN220066849U (en) CPVC pipe for protecting cable
CN218935625U (en) Ultrahigh-pressure double-cutting sleeve bent joint
CN209943734U (en) Double-clamping-position fixing rubber ring sealed splicing steel pipe
CN108571628B (en) Quick connecting structure for water heating pipe fittings
CN217815500U (en) Clamping and pressing type buffer tube
CN214008461U (en) Hard type permeable pipe convenient to stably install
CN216952145U (en) Quick connector and hose capable of being quickly mounted and dismounted
CN215371357U (en) Insulating tube connection structure
CN215759327U (en) Pipeline butt joint voltage regulator device for municipal administration water supply and drainage
CN218267746U (en) Pipe fitting joint convenient to overhaul
CN218845368U (en) Fastening and sealing structure of double-ferrule type pipe joint
CN218348109U (en) Pipe connection sealing structure and sealing ring
CN220204954U (en) Threaded clamping and pressing pipe fitting
CN207364507U (en) A kind of hydraulic rubber hose coupling

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: 20220311