CN109323108A - A kind of pressure controller connection pedestal - Google Patents

A kind of pressure controller connection pedestal Download PDF

Info

Publication number
CN109323108A
CN109323108A CN201811418117.6A CN201811418117A CN109323108A CN 109323108 A CN109323108 A CN 109323108A CN 201811418117 A CN201811418117 A CN 201811418117A CN 109323108 A CN109323108 A CN 109323108A
Authority
CN
China
Prior art keywords
connecting tube
pressure controller
fixing sleeve
connection pedestal
support rod
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.)
Pending
Application number
CN201811418117.6A
Other languages
Chinese (zh)
Inventor
张淑娟
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.)
Huangshi Xianda Refrigeration Engineering Co Ltd
Original Assignee
Huangshi Xianda Refrigeration Engineering 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 Huangshi Xianda Refrigeration Engineering Co Ltd filed Critical Huangshi Xianda Refrigeration Engineering Co Ltd
Priority to CN201811418117.6A priority Critical patent/CN109323108A/en
Publication of CN109323108A publication Critical patent/CN109323108A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02Heads
    • F16M11/04Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M13/00Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
    • F16M13/02Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M2200/00Details of stands or supports

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Fluid Pressure (AREA)

Abstract

The present invention provides a kind of pressure controller connection pedestal.The pressure controller connection pedestal includes fixed structure;Fixing sleeve;Multiple limiting slots, the limiting slot circumference array of multiple semi-cylindrical structures are set to the inside of the fixing sleeve;Connecting tube engages between the connecting tube of pressure controller and the fixing sleeve for connecting;Second rubber ring, the inside of the fixing sleeve are equipped with second rubber ring for being sealed to the connecting tube;Gag lever post, the gag lever post for being limited to the connecting tube engage with the limiting slot, and multiple gag lever post circumference array are fixed on the end of the connecting tube;Spacing collar is threadedly coupled between the spacing collar and the fixing sleeve, is rotatablely connected between the spacing collar and the connecting tube.Pressure controller provided by the invention has the advantages that flexible operation, the angle of pressure controller with connection pedestal convenient for adjusting, easy access maintenance, good airproof performance.

Description

A kind of pressure controller connection pedestal
Technical field
The present invention relates to electrical equipment technical field more particularly to a kind of pressure controller connection pedestals.
Background technique
Pressure controller can be used for neutral or corrosive gas and liquid medium, and range of set value is adjustable, and adjustable range is 0.02~42Mpa, the non-adjustable pressure controller of differential gap include that the wider variety protection of range is more, there is differential pressure controller, explosion-proof Pressure switch, explosion-proof differential pressure switch, pressure transmitter, differential pressure transmitter, blast switch, wind pressure transmitter, pressure controller End is connect by the way of screw thread with equipment.
However the thread head of traditional pressure controller is easily damaged, it is not square with equipment disassembly when repair and maintenance Just, and pressure controller ontology is be easy to cause to damage, in use using threaded connection, in the case where guaranteeing leakproofness It is not easy to adjust the setting angle of pressure controller.
Therefore, it is necessary to provide a kind of new pressure controller connection pedestal solution above-mentioned technical problem.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of flexible operation, the angles of pressure controller convenient for adjusting, being convenient for The pressure controller connection pedestal of repair and maintenance, good airproof performance.
In order to solve the above technical problems, pressure controller connection pedestal provided by the invention includes: fixed structure;It is fixed Set, the fixing sleeve of cylindrical structure are fixed on the fixed structure;Multiple limiting slots, multiple semi-cylindrical structures it is described Limiting slot circumference array is set to the inside of the fixing sleeve;Connecting tube, for connecting the connecting tube and the institute of pressure controller It states and engages between fixing sleeve;Second rubber ring, the inside of the fixing sleeve are equipped with the institute for being sealed to the connecting tube The second rubber ring is stated, and the connecting tube and second rubber ring contradict;Gag lever post, for being limited to the connecting tube The gag lever post engage with the limiting slot, and the gag lever post circumference array of multiple semi-cylindrical structures be fixed on it is described The end of connecting tube;Spacing collar, screw thread between the spacing collar and the fixing sleeve for being limited to the connecting tube Connection, and be rotatablely connected between the spacing collar and the connecting tube of octagon structure.
Preferably, the fixed structure includes connector and fixed plate, the fixed plate and the fixing sleeve formed by integrally casting It forms, the fixed plate is equipped with away from one end of the fixing sleeve and has the externally threaded connector.
Preferably, the fixed structure further includes rubber pad, and the connector is through the rubber pad, and the rubber Pad is contradicted with the fixed plate.
Preferably, the connecting tube is equipped with the first rubber ring of circular ring shape, and the company away from one end of the fixing sleeve The end engaging of adapter tube has support construction.
Preferably, the support construction includes baffle and support rod, and the baffle engages with the connecting tube, the baffle The support rod for fixing conducting wire is equipped with away from one end of the connecting tube.
Preferably, the support construction further includes adjusting rod, is rotatablely connected between the adjusting rod and the support rod, institute It states and is threadedly coupled between adjusting rod and the baffle, and be slidably connected between the support rod and the baffle.
Preferably, the end of the support rod is equipped with the position limiting structure for fixed data line, and the position limiting structure includes Drive rod, two clamping plates and sealing ring, two clamping plates are symmetrically set in the inside of the support rod, two clamping plates with It is slidably connected between the support rod, the sealing ring is set between two clamping plates, the drive rod and the support rod Between be threadedly coupled, and the drive rod and one of them described clamping plate contradict.
Compared with the relevant technologies, pressure controller provided by the invention is had the following beneficial effects: with connection pedestal
The present invention provides a kind of pressure controller connection pedestal, the threaded port of the connecting tube and pressure controller it Between be threadedly coupled, avoid and repeatedly dismantle pressure controller during repair and maintenance threaded port is caused to damage, ensure that pressure The normal use of force controller, the fixed structure is for connecting control equipment, between the spacing collar and the connecting tube Rotation connection, is threadedly coupled between the spacing collar and the fixing sleeve, and then the connecting tube is driven to contradict second rubber Cushion rubber is sealed the connecting tube and the junction of the fixing sleeve, and then improves the stability of pressure controller, together The gag lever post of two semi-cylindrical structures is symmetrically arranged in Shi Suoshu connecting tube, the gag lever post is interior with the fixing sleeve The limiting slot engaging of multiple semi-cylindrical structures of the circumference array distribution in portion, and then the connecting tube is limited, It avoids when installing the connecting tube, the connecting tube dislocation keeps the connecting tube easier for installation quick, is convenient for simultaneously The setting angle for adjusting the pressure controller installed in the connecting tube keeps the using effect of pressure controller more preferable.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for preferred embodiment that pressure controller provided by the invention connects pedestal;
Fig. 2 is the portion A shown in FIG. 1 enlarged diagram;
Fig. 3 is the portion B shown in FIG. 1 enlarged diagram;
Fig. 4 is the attachment structure schematic diagram of spacing collar shown in FIG. 1 and fixing sleeve;
Fig. 5 is the attachment structure schematic diagram of connecting tube shown in FIG. 1 and fixing sleeve.
Figure label: 1, fixed structure, 11, connector, 12, rubber pad, 13, fixed plate, 2, spacing collar, 3, connecting tube, 4, the first rubber ring, 5, support construction, 51, baffle, 52, support rod, 53, adjusting rod, 6, fixing sleeve, 7, position limiting structure, 71, drive Lever, 72, clamping plate, 73, sealing ring, 8, limiting slot, the 9, second rubber ring, 9a, gag lever post.
Specific embodiment
The invention will be further described with embodiment with reference to the accompanying drawing.
Please refer to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, wherein Fig. 1 is pressure controller provided by the invention connection A kind of structural schematic diagram of preferred embodiment of pedestal;Fig. 2 is the portion A shown in FIG. 1 enlarged diagram;Fig. 3 is B shown in FIG. 1 Portion's enlarged diagram;Fig. 4 is the attachment structure schematic diagram of spacing collar shown in FIG. 1 and fixing sleeve;Fig. 5 is connection shown in FIG. 1 The attachment structure schematic diagram of pipe and fixing sleeve.Pressure controller connection pedestal includes: fixed structure 1;Fixing sleeve 6, cylindrical body The fixing sleeve 6 of structure is fixed on the fixed structure 1;Multiple limiting slots 8, the limiting slot of multiple semi-cylindrical structures 8 circumference array are set to the inside of the fixing sleeve 6;Connecting tube 3, for connect the connecting tube 3 of pressure controller with it is described Engage between fixing sleeve 6;Second rubber ring 9, the inside of the fixing sleeve 6 are equipped with for being sealed to the connecting tube 3 Second rubber ring 9, and the connecting tube 3 and second rubber ring 9 contradict;Gag lever post 9a, for the connecting tube 3 The gag lever post 9a limited engages with the limiting slot 8, and the gag lever post 9a circumference of multiple semi-cylindrical structures Array is fixed on the end of the connecting tube 3;Spacing collar 2, the spacing collar 2 for being limited to the connecting tube 3 with It is threadedly coupled between the fixing sleeve 6, and is rotatablely connected between the spacing collar 2 and the connecting tube 3 of octagon structure.
The fixed structure 1 includes connector 11 and fixed plate 13, the fixed plate 13 and 6 formed by integrally casting of fixing sleeve It forms, the fixed plate 13 is equipped with away from one end of the fixing sleeve 6 and has the externally threaded connector 11, by the connection First 11 connect with control equipment, and by bolt that the fixed plate 13 is fixed, further improve the stability of installation.
The fixed structure 1 further includes rubber pad 12, and the connector 11 is through the rubber pad 12, and the rubber Pad 12 and the fixed plate 13 contradict, while the setting of the rubber pad 12 further improves sealing performance.
The connecting tube 3 is equipped with the first rubber ring 4 of circular ring shape, and the connecting tube 3 away from one end of the fixing sleeve 6 End engaging have support construction 5;The setting of first rubber ring 4 improves the close of the connecting tube 3 and pressure controller Feng Xing, while avoiding dust and entering at the screw thread of the connecting tube 3 and its pressure controller, keep the disassembly in later period more convenient Fast.
The support construction 5 includes baffle 51 and support rod 52, and the baffle 51 engages with the connecting tube 3, the gear Plate 51 is equipped with the support rod 52 for fixing conducting wire away from one end of the connecting tube 3, for the ease of fixed data line.
The support construction 5 further includes adjusting rod 53, is rotatablely connected between the adjusting rod 53 and the support rod 52, institute It states and is threadedly coupled between adjusting rod 53 and the baffle 51, and be slidably connected between the support rod 52 and the baffle 51, twist The adjusting rod 53 is moved, the adjusting rod 53 drives the support rod 52 in the internal slide of the baffle 51, makes the support Bar 52 and connection jaws contradict, and are slidably connected between the support rod 52 and the baffle 51, convenient for applying to the pressure of different model Force controller makes to operate more convenient.
The end of the support rod 52 is equipped with the position limiting structure 7 for fixed data line, and the position limiting structure 7 includes driving 71, two clamping plates 72 of bar and sealing ring 73, two clamping plates 72 are symmetrically set in the inside of the support rod 52, two folders Plate 72 is slidably connected between the support rod 52, and the sealing ring 73 is set between two clamping plates 72, the driving It is threadedly coupled between bar 71 and the support rod 52, and the drive rod 71 and one of them described clamping plate 72 contradict, by data Line is passed through from the sealing ring 73, and the sealing ring 73 is set between two clamping plates 72, the drive rod 71, institute are turned Stating drive rod 71 and contradicting the clamping plate 72 makes two clamping plates 72 contradict the sealing ring 73, and data line is fixed, and drops The low pressure of data thread end junction, effectively prevents data line from falling off, at the same make pressure controller connecting part it is anti- Dirt humidity resistance is more preferable, keeps pressure controller use more stable.
Pressure controller provided by the invention is as follows with the working principle of connection pedestal:
The spacing collar 2 is socketed in the connecting tube 3 first, by the end of the baffle 51 and the connecting tube 3 Engaging, first rubber ring 4 is engaged with the connecting tube 3, the baffle 51 is held, by the threaded port of pressure controller It is threadedly coupled between the connecting tube 3, so that pressure controller port is contradicted first rubber ring 4, make the adjusting rod 53 The Wiring port of corresponding pressure controller, the setting of first rubber ring 4 improve the connecting tube 3 and pressure controller Leakproofness, while avoiding dust at the screw thread of the connecting tube 3 and its pressure controller, make the disassembly in later period more It is convenient and efficient, the adjusting rod 53 is then turned, the adjusting rod 53 drives the support rod 52 in the inside of the baffle 51 Sliding contradicts the support rod 52 with connection jaws, is slidably connected between the support rod 52 and the baffle 51, convenient for using In the pressure controller of different model, make to operate more convenient, then passes through data line from the sealing ring 73, it will be described close Seal 73 is set between two clamping plates 72, turns the drive rod 71, the drive rod 71, which contradicts the clamping plate 72, makes two A clamping plate 72 contradicts the sealing ring 73, and data line is fixed, and reduces the pressure of data thread end junction, has Effect prevents data line from falling off, while keeping the dust and moisture performance of the connecting part of pressure controller more preferable, makes pressure controller With more stable, the connector 11 connect with control equipment, and by bolt by the fixed plate 13 fixation, further The stability for improving installation, while the setting of the rubber pad 12 further improves sealing performance, then according to peace Angle is filled, the gag lever post 9a is caught in the limiting slot 8, turns the spacing collar 2, the spacing collar 2 and the fixing sleeve 6 Between be threadedly coupled, and then drive and slided between the connecting tube 3 and the fixing sleeve 6, the connecting tube 3 is made to contradict described the Two rubber rings 9, the spacing collar 2 are positive eight-sided formation, make to operate it is more convenient flexibly, the connecting tube 3 is controlled with pressure It is threadedly coupled between the threaded port of device, avoids and repeatedly dismantle pressure controller during repair and maintenance and cause threaded port Damage, ensure that the normal use of pressure controller, the fixed structure 1 for connecting control equipment, the spacing collar 2 with It is rotatablely connected between the connecting tube 3, is threadedly coupled between the spacing collar 2 and the fixing sleeve 6, and then drive the connection Pipe 3 contradicts second rubber ring 9, is sealed to the connecting tube 3 and the junction of the fixing sleeve 6, and then improve The stability of pressure controller, while the gag lever post 9a of two semi-cylindrical structures, institute are symmetrically arranged in the connecting tube 3 The limiting slot 8 for stating multiple semi-cylindrical structures of the circumference array distribution of the inside of gag lever post 9a and the fixing sleeve 6 blocks It closes, and then the connecting tube 3 is limited, avoid when installing the connecting tube 3, the connecting tube 3 misplaces, and makes described Connecting tube 3 is easier for installation quick, while convenient for adjusting the setting angle for the pressure controller installed in the connecting tube 3, Keep the using effect of pressure controller more preferable.
Compared with the relevant technologies, pressure controller provided by the invention is had the following beneficial effects: with connection pedestal
The present invention provides a kind of pressure controller connection pedestal, the threaded port of the connecting tube 3 and pressure controller Between be threadedly coupled, avoid and repeatedly dismantle pressure controller during repair and maintenance threaded port is caused to damage, ensure that The normal use of pressure controller, the fixed structure 1 is for connecting control equipment, the spacing collar 2 and the connecting tube 3 Between be rotatablely connected, be threadedly coupled between the spacing collar 2 and the fixing sleeve 6, and then it is described to drive the connecting tube 3 to contradict Second rubber ring 9 is sealed the connecting tube 3 and the junction of the fixing sleeve 6, and then improves pressure controller Stability, while being symmetrically arranged with the gag lever post 9a of two semi-cylindrical structures in the connecting tube 3, the gag lever post 9a with The limiting slot 8 of multiple semi-cylindrical structures of the circumference array distribution of the inside of the fixing sleeve 6 engages, and then to described Connecting tube 3 is limited, and is avoided when installing the connecting tube 3, and the connecting tube 3 misplaces, and makes the installation of connecting tube 3 more Add setting angle that is convenient and efficient, while being convenient for the pressure controller installed in the adjusting connecting tube 3, makes pressure controller Using effect is more preferable.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills Art field, is included within the scope of the present invention.

Claims (7)

1. a kind of pressure controller connection pedestal characterized by comprising
Fixed structure;
The fixing sleeve of fixing sleeve, cylindrical structure is fixed on the fixed structure;
Multiple limiting slots, the limiting slot circumference array of multiple semi-cylindrical structures are set to the inside of the fixing sleeve;
Connecting tube engages between the connecting tube of pressure controller and the fixing sleeve for connecting;
Second rubber ring, the inside of the fixing sleeve are equipped with second rubber ring for being sealed to the connecting tube, And the connecting tube and second rubber ring contradict;
Gag lever post, the gag lever post for being limited to the connecting tube engages with the limiting slot, and multiple semicolumns The gag lever post circumference array of body structure is fixed on the end of the connecting tube;
Spacing collar is threadedly coupled between the spacing collar and the fixing sleeve for being limited to the connecting tube, and just It is rotatablely connected between the spacing collar and the connecting tube of eight-sided formation.
2. pressure controller according to claim 1 connection pedestal, which is characterized in that the fixed structure includes connection Head and fixed plate, the fixed plate are formed with the fixing sleeve formed by integrally casting, and the fixed plate deviates from one end of the fixing sleeve Equipped with the externally threaded connector.
3. pressure controller according to claim 2 connection pedestal, which is characterized in that the fixed structure further includes rubber Rubber mat, the connector is through the rubber pad, and the rubber pad and the fixed plate contradict.
4. pressure controller according to claim 1 connection pedestal, which is characterized in that the connecting tube is away from described solid Surely the one end covered is equipped with the first rubber ring of circular ring shape, and the end engaging of the connecting tube has support construction.
5. pressure controller according to claim 4 connection pedestal, which is characterized in that the support construction includes baffle And support rod, the baffle engage with the connecting tube, the baffle is equipped with away from one end of the connecting tube and leads for fixation The support rod of line.
6. pressure controller according to claim 5 connection pedestal, which is characterized in that the support construction further includes adjusting Pole is rotatablely connected between the adjusting rod and the support rod, is threadedly coupled between the adjusting rod and the baffle, and institute It states and is slidably connected between support rod and the baffle.
7. pressure controller according to claim 6 connection pedestal, which is characterized in that the end of the support rod is equipped with For the position limiting structure of fixed data line, the position limiting structure includes drive rod, two clamping plates and sealing ring, two clamping plates It is symmetrically set in the inside of the support rod, two clamping plates are slidably connected between the support rod, and the sealing ring is set Between two clamping plates, be threadedly coupled between the drive rod and the support rod, and the drive rod and one of them The clamping plate contradicts.
CN201811418117.6A 2018-11-26 2018-11-26 A kind of pressure controller connection pedestal Pending CN109323108A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811418117.6A CN109323108A (en) 2018-11-26 2018-11-26 A kind of pressure controller connection pedestal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811418117.6A CN109323108A (en) 2018-11-26 2018-11-26 A kind of pressure controller connection pedestal

Publications (1)

Publication Number Publication Date
CN109323108A true CN109323108A (en) 2019-02-12

Family

ID=65258572

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811418117.6A Pending CN109323108A (en) 2018-11-26 2018-11-26 A kind of pressure controller connection pedestal

Country Status (1)

Country Link
CN (1) CN109323108A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110328596A (en) * 2019-08-08 2019-10-15 南通市华冠电器有限公司 A kind of pipeline surface processing device of pressure controller

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110328596A (en) * 2019-08-08 2019-10-15 南通市华冠电器有限公司 A kind of pipeline surface processing device of pressure controller

Similar Documents

Publication Publication Date Title
CN109323108A (en) A kind of pressure controller connection pedestal
CN209115983U (en) A kind of pressure controller connection pedestal
CN105181496A (en) Bending test equipment of railway cutthrough ground wire
CN207316192U (en) The driving medical flow controller of leading screw
CN106124004B (en) Detachable liquid level switch and installation method thereof
CN204348344U (en) A kind of heat-transfer pipe plugging instrument of nuclear power heat exchanger
CN205190788U (en) Wind butterfly valve is transferred to manual no gear
CN113431528A (en) Wellhead water-blending gathering and transportation regulation and control device with modular combination valve
CN220204800U (en) Portable installation quick opposite valve
CN206817010U (en) A kind of Fast Installation and the pipeline connecting device of dismounting and self-locking self sealss
CN213136532U (en) Fixing device convenient to xarm flange mounting
CN106290992B (en) A kind of power equipment test lead hanging device
CN203685107U (en) Blowout preventer for oil field test
CN205049427U (en) Railway through ground wire bending test equipment
CN220688324U (en) Detachable flange structure
CN219623335U (en) Anticreep pipeline
CN204437375U (en) Novel pipeline valve
CN221027668U (en) Wine distribution device
CN210210246U (en) Simple and easy screw flange installation device
CN214838467U (en) Cut-off voltage regulator
CN218883074U (en) Three-way sealing ball valve
CN218326258U (en) Opposite clamping type butterfly valve with adjustable handle
CN108151818A (en) A kind of flow detector
CN210739432U (en) Novel valve connecting device
CN202901435U (en) Double-end universal quickly-assembled gauge valve

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20190212