CN104344871B - Liquid level gauge display and magnetic loose colour mark liquid level gauge - Google Patents

Liquid level gauge display and magnetic loose colour mark liquid level gauge Download PDF

Info

Publication number
CN104344871B
CN104344871B CN201310319638.7A CN201310319638A CN104344871B CN 104344871 B CN104344871 B CN 104344871B CN 201310319638 A CN201310319638 A CN 201310319638A CN 104344871 B CN104344871 B CN 104344871B
Authority
CN
China
Prior art keywords
liquid level
level gauge
display
magnetic
mounting portion
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.)
Active
Application number
CN201310319638.7A
Other languages
Chinese (zh)
Other versions
CN104344871A (en
Inventor
吴宁明
邱东声
成延彪
郑灵研
汪旭
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.)
SHENZHEN GAOKEXING ELECTROMECHANICAL Co Ltd
China Petroleum and Chemical Corp
Original Assignee
SHENZHEN GAOKEXING ELECTROMECHANICAL Co Ltd
China Petroleum and Chemical Corp
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 SHENZHEN GAOKEXING ELECTROMECHANICAL Co Ltd, China Petroleum and Chemical Corp filed Critical SHENZHEN GAOKEXING ELECTROMECHANICAL Co Ltd
Priority to CN201310319638.7A priority Critical patent/CN104344871B/en
Publication of CN104344871A publication Critical patent/CN104344871A/en
Application granted granted Critical
Publication of CN104344871B publication Critical patent/CN104344871B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Level Indicators Using A Float (AREA)

Abstract

The invention discloses a kind of liquid level gauge display and magnetic loose colour mark liquid level gauge, the display(1)With display panel(11), the wherein display(1)Further include dust board(2), the bottom of the dust board is installed to display panel(11)On, top is provided with the sealing mounting portion of both sides extension(21).Seal mounting portion(21)It can be integrally formed in dust board(2)On, the cross section of dust board is preferably formed to "T"-shaped shape.Magnetic loose colour mark liquid level gauge with the liquid level gauge display may also include measuring cylinder(3)With outer Cold-keeping Layer(4), which surrounds display(1)And measuring cylinder(3)Setting and outer Cold-keeping Layer(4)Peripheral portion(41)Sealing mounting portion can be resisted against(21)Bottom surface on.The display and magnetic loose colour mark liquid level gauge of the present invention has good seal performance, can prevent steam from entering and freezing, suitable for being used on deep freeze refrigeration plant in cold environments.

Description

Liquid level gauge display and magnetic loose colour mark liquid level gauge
Technical field
The present invention relates to a kind of liquid level gauge, and in particular, to a kind of liquid level gauge display and the magnetic including the display Loose colour mark liquid level gauge.
Background technology
As shown in Figure 1, the liquid level for monitoring liquid level is generally fitted with the peripheral part of the Cryo Equipment 100 of ethene chemical industry Meter 10.Liquid level gauge 10 easily generates the problem that when using:Due to work for a long time in low temperature environment and sealing performance deficiency, Steam is easily accessible on the display panel of liquid level gauge 10, causes the situations such as frosting, especially in more clammy winter, is even more tied It is white into thick jelly, the sight of Observation personnel is hindered, the monitoring liquid level of Cryo Equipment 100 can not be checked on the spot, so that liquid Position meter 10 cannot play liquid level instruction function and normal work.
The usually only additional Cold-keeping Layer of common magnetic fluid level gauge, cold insulation effect is poor, and frost is easily produced inside magnetic display board Body, hinders colour code reprint normally to overturn, its result, which directly results in, influences magnetic reprint liquid level gauge normal work.Fig. 2 show existing A kind of improved magnetic loose colour mark liquid level gauge in technology, which show the cross-sectional structure of the liquid level gauge 10 shown in Fig. 1.Liquid level The measuring cylinder 3 of meter 10 uses Dewar principle, i.e. double-layer vacuum pumping cold insulation structure, between measuring cylinder shell 31 and measuring cylinder inner casing 32 For vacuum Cold-keeping Layer 33.On display panel 11, the organic glass dust-break of different-thickness has been used according to the low temperature of different stage Plate, since the material has high translucency, on the one hand plays the role of obstructing dust, on the other hand also plays preferable guarantor Cold temperature insulating.In addition also outer Cold-keeping Layer 4 can be set in liquid level gauge outside.Can by this triple combination sealing insulation designs Worked normally with substantially meeting the low temperature magnetic double level gauge of less than -50 DEG C operating modes.But in colder Cryo Equipment, example On the container and device of such as -70 DEG C to -160 DEG C temperature provinces, this sealing structure is still difficult to stop external moisture from dust board 2 Into so as to can slowly tie some white jellies frosts between display panel 11 and outer Cold-keeping Layer 4 and gradually spread, influencing to show Show the display effect of device 1.And when external temperature is relatively low, or even completely freeze-up whole dust board 2 and outer Cold-keeping Layer 4, cause Liquid level gauge cannot work.Therefore, it is necessary to design the liquid level gauge used on a kind of deep freeze refrigeration plant being adapted in cold environments.
The content of the invention
The object of the present invention is to provide a kind of liquid level gauge display, and the magnetic loose colour mark liquid level gauge including the display, The display has good seal performance, can prevent steam from entering and freezing, suitable for making on deep freeze refrigeration plant in cold environments With.
To achieve the above object, according to an aspect of the invention, there is provided a kind of liquid level gauge display, the display utensil There is display panel, wherein, which further includes dust board, and the bottom of the dust board is installed on the display panel, top It is provided with the sealing mounting portion of both sides extension.
Preferably, the sealing mounting portion is integrally formed on the dust board.
Preferably, the dust board includes the main part being installed on the display panel, the sealing mounting portion engagement The cross section for being more than the top of the main part to the cross-sectional width of the top of the main part and the sealing mounting portion is wide Degree.
Preferably, the dust board includes the main part being installed on the display panel, the sealing mounting portion engagement Onto the side at the top of the main part.
Preferably, 75 °~105 ° of folder is formed as between the bottom surface of above-mentioned sealing mounting portion and the side of the main part Angle.
It is highly preferred that the cross section of the dust board is formed as "T"-shaped shape, the plane perpendicular of the sealing mounting portion in The side of the main part.
Preferably, the dust board is polymethyl methacrylate materials.
Preferably, which includes display housing, the bottom of the display housing and the measuring cylinder of the liquid level gauge It is connected, top is provided with the display panel, wherein, the both sides of the display housing are equipped with connecting portion, which is used for The display is connected in the measuring cylinder or is connected in the equipment that the liquid level gauge monitored by connector.
According to another aspect of the present invention, there is provided a kind of magnetic loose colour mark liquid level gauge, the magnetic loose colour mark liquid level gauge include root According to the above-mentioned liquid level gauge display of the present invention.
Preferably, which further includes measuring cylinder and outer Cold-keeping Layer, which surrounds the display Device and measuring cylinder are set and the peripheral portion of the outer Cold-keeping Layer can be resisted against on the bottom surface of the sealing mounting portion.
Preferably, which further includes the magnetic turning plate indicator in the display, which turns over Plate indicator is equipped with the multiple magnetic turning plate colour codes that can be overturn, wherein, limited block is additionally provided with the magnetic turning plate indicator, The limited block is used to limit the magnetic turning plate colour code towards single direction upset forward or backwards.
According to above-mentioned technical proposal, liquid level gauge display of the invention is additionally arranged for dust-proof and cold insulation on a display panel Dust board, which is different from conventional square shape of cross section, and the bottom of dust board of the invention is installed to display On panel, top is provided with the sealing mounting portion of both sides extension.In this way, steam is into fashionable, it is necessary to seal mounting portion from this Bottom surface enters and bypasses the bottom sides of dust board, so that the sealing mounting portion has the function of to stop that steam enters.It is more important , including the present invention liquid level gauge display magnetic loose colour mark liquid level gauge on, its outer Cold-keeping Layer can easily install and It is squeezed between measuring cylinder and sealing mounting portion, so that the peripheral portion of outer Cold-keeping Layer is closely resisted against sealing peace On the bottom surface in dress portion, the sealing performance of liquid level gauge is greatly strengthen, enables low temperature in cold environments to -160 DEG C Use without freezing over the display on deep freeze refrigeration plant.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Attached drawing is for providing a further understanding of the present invention, and a part for constitution instruction, with following tool Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the side view for the equipment for being provided with liquid level gauge;
Fig. 2 is a kind of structure diagram of the magnetic loose colour mark liquid level gauge of the prior art on its cross section;
Fig. 3 is the structural representation on its cross section according to the magnetic loose colour mark liquid level gauge of the preferred embodiment of the present invention Figure, which show liquid level gauge display according to the present invention;And
Fig. 4 is the structural representation of the display housing in the liquid level gauge display according to the preferred embodiment of the present invention Figure.
Description of reference numerals
1 display, 2 dust board
3 measuring cylinder, 4 outer Cold-keeping Layer
5 magnetic turning plate indicator, 6 magnetic float
7 connecting flange, 10 liquid level gauge
11 display panel, 12 display housing
21 sealing 22 main parts of mounting portion
31 measuring cylinder shell, 32 measuring cylinder inner casing
33 vacuum Cold-keeping Layer, 41 peripheral portion
100 equipment, 121 connecting portion
Embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing.It should be appreciated that this place is retouched The embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.
Illustrate first, below in the description of embodiment, some orientation for being used for the ease of understanding Word, such as " upper and lower, left and right, top, bottom " etc. are described according to orientation shown in the drawings, but these nouns of locality should not Form limiting the scope of the invention, due to the installation position of liquid level gauge in practice have it is varied, should be following Some nouns of locality of literary grace and limit the scope of the invention.
As shown in figure 3, the present invention provides a kind of liquid level gauge display, which has display panel 11, wherein, The display 1 further includes dust board 2, and the bottom of the dust board 2 is installed on display panel 11, and top is provided with both sides extension Sealing mounting portion 21.As total design, dust board 2 is additionally arranged on the display panel 11 of display 1 of the invention, with enhancing Cold insulation effect and sealing effect, dust board 2 can be cementing and/or be fixedly installed to display panel 11 by some " L " shape fasteners On.Sealing mounting portion 21 towards both sides extension is set on dust board 2, so as to obtaining more perfect sealing, prevents steam Into and congeal into ice, be described in detail below with reference to outer Cold-keeping Layer 4.Specifically, in the sealing structure of Fig. 2, outside Defective tightness is combined between bag cooling layer 4 and dust board 2, steam is easily entered between the side of outsourcing cooling layer 4 and dust board 2 On display panel 11, so as to condense into frost to the cold.For this reason, the present invention is improved in the planform of dust board 2, with The sealing mounting portion 21 shown in Fig. 3 is obtained, steam enters into fashionable needs from the bottom surface of sealing mounting portion 21 and bypasses dust board 2 Bottom sides so that pass through this folding obtains the preliminary function of stopping steam and enter around the path.And as will be described in detail, Outer Cold-keeping Layer 4 easily can be installed and be squeezed between measuring cylinder 3 and sealing mounting portion 21 so that the outside of outer Cold-keeping Layer 4 Edge 41 closely is resisted against sealing mounting portion 21 bottom surface on, so as to greatly strengthen sealing performance so that steam be not easy into Enter, so that use is without showing on the low temperature that liquid level gauge 10 can be in cold environments to -160 DEG C of deep freeze refrigeration plant 100 Freeze on device 1.
In order to obtain above-mentioned sealing mounting portion 21 on dust board 2, which is preferably integrally formed ground It is formed on dust board 2.In other words, the dust board 2 of shape of cross section shown in Fig. 3 can be processed.Certainly, dust board 2 is alternatively Split type structure, such as dust board 2 include the main part 22 and sealing 21 two parts of mounting portion that are installed on display panel 11, sealing The cross-sectional width that mounting portion 21 is joined to the top of main part 22 and the sealing mounting portion 21 is more than the top of main part 22 Cross-sectional width, as shown in Figure 3.Dust board 2 can be also made of three parts, i.e., dust board 2 includes being installed to display panel 11 On main part 22 and the left and right sides sealing mounting portion 21, which is joined to the side at the top of main part 22 On.In addition, dust board 2 is preferably polymethyl methacrylate materials, the transparent magnetic turning plate instruction for inside observation of its material Device 5, and be easy to draw materials and process.
Sealing 21 most important function of mounting portion is engaged with outer Cold-keeping Layer 4 to improve sealing performance, therefore seals peace 75 °~105 ° of angle is preferably formed between the bottom surface in dress portion 21 and the side of main part 22.So in assembling, outer guarantor It is extruded in the corner regions that the cold insulation material of cooling layer 4 can be between the bottom surface of sealing mounting portion 21 and the side of main part 22, To obtain tighter structure and better sealing effect, and assembling is firm is not easy to loosen.It is further preferred that dust board 2 Cross section be formed as "T"-shaped shape, i.e., as shown in figure 3, the plane perpendicular of sealing mounting portion 21 is in the side of main part 22.
Display 1 has display housing 12, and the bottom of the display housing 12 is connected with the measuring cylinder 3 of liquid level gauge 10, Top is provided with display panel 11, as shown in Figure 4.Display housing 12 can use the materials such as aluminium alloy, to be securely installed to survey Display panel 11 and magnetic turning plate indicator 5 are easily installed on graduated cylinder 3 and on it.Wherein, the display in present embodiment The both sides of housing 12 are equipped with connecting portion 121, which is used to be connected to display 1 such as bandage by connector In measuring cylinder 3 or it is connected in the equipment 100 that liquid level gauge is monitored.On the existing display 1 equipped with dust board 2, normal open Cross that such as bandage mode is tied in measuring cylinder 3 around the top surface of dust board 2 or in equipment 100, this is just partly blocked Display panel 11, influences the sight of Observation personnel.Therefore, the link position of bandage is arranged on display in present embodiment The both sides of housing 12, i.e., connecting portion 121 as shown in Figure 4, its can connection mode as needed be arranged to various accordingly connect Binding structure, is observed so as to convenient installation and flexible modulation without influencing.
Magnetic turning plate indicator 5 is installed, the magnetic turning plate indicator 5 is multiple equipped with that can overturn in display housing 12 Magnetic turning plate colour code, the plurality of magnetic turning plate colour code short transverse along equipment 100 as shown in Figure 1 arrange.Each magnetic turning plate such as Fig. 4 Shown both ends are pivoted on the inner wall of display housing 12, and magnetic turning plate can be overturn around axis, and the both sides of magnetic turning plate have different face Color.Meanwhile the liquid in the barrel chamber connectivity device 100 in measuring cylinder inner casing 32 so that liquid level and the liquid in equipment 100 in barrel chamber Position, which remains, to be flushed, and magnetic float 6 is set in barrel chamber.Magnetic float 6 is when following the liquid level in barrel chamber to rise or fall, due to magnetic Property effect, magnetic float 6 by magnetive attraction can cause with the magnetic turning plate colour code of its height same position overturn so that for Observation personnel By colour code color to judge liquid level.However, in 6 lifting process of magnetic float, due to lifting speed, magnetic turning plate clamping stagnation or It is excessively flexible and other reasons, often cause magnetic turning plate upset not in time, upset excessively etc. imprecise, inconsistent disorderly feelings Condition.Therefore, it is additionally provided with limited block on the magnetic turning plate indicator 5 in present embodiment(Do not shown in figure), for limiting magnetic Turnover panel colour code is overturn towards single direction forward or backwards.It will be appreciated by persons skilled in the art that this postive stop baffle Can have a variety of set-up modes and the various structure types designed as needed, such as display housing 12 can be provided in The plate stretched out on inner wall or in the installation axle of magnetic turning plate towards magnetic turning plate edge.
On the basis of the liquid level gauge display 1 equipped with generally trapezoidal dust board 2 described above, the present invention also accordingly carries A kind of magnetic loose colour mark liquid level gauge with the display 1 is supplied.The magnetic loose colour mark liquid level gauge 10 is on Cryo Equipment 100 is installed to When structure as shown in Figure 1, liquid level gauge 10 is fixedly mounted on the short transverse of equipment 100 by modes such as some connecting flanges 7 On.Wherein, which includes measuring cylinder 3 and outer Cold-keeping Layer 4, which surrounds display 1 and measuring cylinder The peripheral portion 41 of 3 settings and outer Cold-keeping Layer 4 can be resisted against on the bottom surface of sealing mounting portion 21.As described above, outer guarantor Cooling layer 4 easily can install and be squeezed in measuring cylinder 3 and sealing mounting portion 21 between so that peripheral portion 41 closely against In sealing mounting portion 21 bottom surface on, so as to strengthen sealing performance so that steam is not easily accessible.The magnetic loose colour standard liquid position of the present invention Meter be suitable for 0 DEG C~-165 DEG C of low-temperature pressure container temperature range, pressure≤4.5MPa, Media density >=0.38 environment in make With.
The preferred embodiment of the present invention is described in detail above in association with attached drawing, still, the present invention is not limited to above-mentioned reality The detail in mode is applied, in the range of the technology design of the present invention, a variety of letters can be carried out to technical scheme Monotropic type, these simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally The thought of invention, it should equally be considered as content disclosed in this invention.

Claims (9)

1. a kind of liquid level gauge display, which has display panel (11), it is characterised in that the display (1) also wraps Dust board (2) is included, the bottom of the dust board (2) is installed on the display panel (11), and top is provided with both sides extension Mounting portion (21) is sealed, the dust board (2) includes the main part (22) being installed on the display panel (11), the sealing Mounting portion (21) is joined on the side at the top of the main part (22), the bottom surface of the sealing mounting portion (21) and the master Be formed as 75 °~105 ° of angle between the side in body portion (22).
2. liquid level gauge display according to claim 1, it is characterised in that the sealing mounting portion (21) is integrally formed ground It is formed on the dust board (2).
3. liquid level gauge display according to claim 1, it is characterised in that the cross section of the sealing mounting portion (21) is wide Cross-sectional width of the degree more than the top of the main part (22).
4. liquid level gauge display according to claim 1, it is characterised in that the cross section of the dust board (2) is formed as "T"-shaped shape, the plane perpendicular of the sealing mounting portion (21) is in the side of the main part (22).
5. liquid level gauge display according to claim 1, it is characterised in that the dust board (2) is polymethylacrylic acid Methyl methacrylate material.
6. liquid level gauge display according to claim 1, it is characterised in that the display (1) includes display housing (12), the bottom of the display housing (12) is connected with the measuring cylinder (3) of the liquid level gauge (10), and top is provided with the display Panel (11), wherein, the both sides of the display housing (12) are equipped with connecting portion (121), which is used to pass through company The display (1) is connected in the measuring cylinder (3) or is connected to the equipment that the liquid level gauge (10) monitored by fitting (100) on.
7. a kind of magnetic loose colour mark liquid level gauge, it is characterised in that the magnetic loose colour mark liquid level gauge is included according in the claims 1-6 Liquid level gauge display (1) described in any one.
8. magnetic loose colour mark liquid level gauge according to claim 7, it is characterised in that the magnetic loose colour mark liquid level gauge further includes measurement Cylinder (3) and outer Cold-keeping Layer (4), the outer Cold-keeping Layer (4) is around the display (1) and measuring cylinder (3) is set and the outer guarantor The peripheral portion (41) of cooling layer (4) can be resisted against on the bottom surface of the sealing mounting portion (21).
9. magnetic loose colour mark liquid level gauge according to claim 7, it is characterised in that the magnetic loose colour mark liquid level gauge further includes installation Magnetic turning plate indicator (5) in the display (1), the magnetic turning plate indicator (5) are equipped with the multiple magnetic that can be overturn and turn over Plate colour code, wherein, limited block is additionally provided with the magnetic turning plate indicator (5), which is used to limit the magnetic turning plate Colour code is overturn towards single direction forward or backwards.
CN201310319638.7A 2013-07-26 2013-07-26 Liquid level gauge display and magnetic loose colour mark liquid level gauge Active CN104344871B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310319638.7A CN104344871B (en) 2013-07-26 2013-07-26 Liquid level gauge display and magnetic loose colour mark liquid level gauge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310319638.7A CN104344871B (en) 2013-07-26 2013-07-26 Liquid level gauge display and magnetic loose colour mark liquid level gauge

Publications (2)

Publication Number Publication Date
CN104344871A CN104344871A (en) 2015-02-11
CN104344871B true CN104344871B (en) 2018-05-01

Family

ID=52500964

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310319638.7A Active CN104344871B (en) 2013-07-26 2013-07-26 Liquid level gauge display and magnetic loose colour mark liquid level gauge

Country Status (1)

Country Link
CN (1) CN104344871B (en)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3268085D1 (en) * 1981-04-14 1986-02-06 Klinger Ag Magnetic liquid level indicator
GB2215463A (en) * 1987-09-18 1989-09-20 Roger Sidney Mole Magnetic liquid level indicator
CN2397479Y (en) * 1999-11-04 2000-09-20 铁岭毕克仪器仪表有限公司 Display device of magnetic floating liquid level gauge
CN1699932A (en) * 2004-05-20 2005-11-23 吴宁明 High temperature resistant magnetic floating level meter
CN2699261Y (en) * 2004-05-20 2005-05-11 吴宁明 Deep cold type magnetic floating mode level meter
CN2741020Y (en) * 2004-11-25 2005-11-16 陈宇 Integrated displaying panel device of magnetic float level meter
CN2767812Y (en) * 2005-02-04 2006-03-29 成都市兴岷江电热电器有限责任公司 Electric heating apparatus with thermal insulating layer and automatic temperature control for oil transportation pipeline
CN2862099Y (en) * 2005-12-21 2007-01-24 上海铂美自动化有限公司 Ultra-thin light conducting LED back light source apparatus on electric appliances
CN201160358Y (en) * 2008-03-12 2008-12-03 成都吉锐触摸技术股份有限公司 Water-mist -proof dustproof heat sinking structure for display screen

Also Published As

Publication number Publication date
CN104344871A (en) 2015-02-11

Similar Documents

Publication Publication Date Title
US8511155B2 (en) Devices including a mechanochromatic material for indicating pressure
CN205141448U (en) Dustproof heat dissipation switch board with defroster
CN105299347A (en) Connection structure of refrigerant tube
CN104344871B (en) Liquid level gauge display and magnetic loose colour mark liquid level gauge
US20070204634A1 (en) Ball valve apparatus having a moisture indicator
CN204373795U (en) For air conditioner temperature sensor assembly and there is its air conditioner
CN205606178U (en) A signal line isolating device and temperature measuring system for intermediate layer container
KR101605506B1 (en) Hydraulic weight-in-motion sensor having double-tube structure and device including the same
CN209130179U (en) Sealing strip, notch, seal assembly, precompressor and garbage truck
CN209372172U (en) A kind of integral type refrigeration liquidometer
CN206161113U (en) Magnetism turns over display panel of piece level gauge and display panel's port seal structure
CN209369083U (en) A kind of cold-prevention bridge cold-storage insulation board structure
CN208887806U (en) A kind of pressure sensor protective device
CN207961830U (en) A kind of combustion gas insulating joint
CN208297070U (en) A kind of detection device of pressure vessel leakage
CN207515330U (en) The sealing structure and wind cooling refrigerator of wind cooling refrigerator drainpipe
CN209654293U (en) A kind of new type compressor coupling shield
CN209197935U (en) A kind of remote multipoint temperature monitor in flexibility underground
CN207378265U (en) A kind of multiple monitoring device of water heating valve
CN205837673U (en) A kind of high intensity double Deck Oil Storage Tank
CN108225583A (en) A kind of T-shaped sensor Anti-blocking device
CN204228355U (en) A kind of air-tightness detection device of electric motor end cap
CN205192069U (en) Additional strengthening that shape was preapred for an unfavorable turn of events to refrigerator door frame
CN208546641U (en) A kind of fuel gas conduit suppresses connector
CN207741821U (en) A kind of Anti-freezing water meter

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant