CN209542005U - Fixing apparatus for filter - Google Patents

Fixing apparatus for filter Download PDF

Info

Publication number
CN209542005U
CN209542005U CN201920457075.0U CN201920457075U CN209542005U CN 209542005 U CN209542005 U CN 209542005U CN 201920457075 U CN201920457075 U CN 201920457075U CN 209542005 U CN209542005 U CN 209542005U
Authority
CN
China
Prior art keywords
lid
filter
holding tank
fixing apparatus
butt junction
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
CN201920457075.0U
Other languages
Chinese (zh)
Inventor
王五星
于敬军
袁晓敬
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 Ante Medical Ltd By Share Ltd
Original Assignee
Shenzhen Ante Medical Ltd By Share 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 Shenzhen Ante Medical Ltd By Share Ltd filed Critical Shenzhen Ante Medical Ltd By Share Ltd
Priority to CN201920457075.0U priority Critical patent/CN209542005U/en
Application granted granted Critical
Publication of CN209542005U publication Critical patent/CN209542005U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The utility model discloses a kind of fixing apparatus for filter, for Fixed-Filter, the filter includes the first lid and the second lid, first lid is equipped with first sleeve away from the side of second lid, it is characterized in that, the fixing apparatus for filter includes: bottom plate, and the bottom plate is equipped with holding tank and the inlet channel that is connected to the holding tank;Clamping piece is set to the bottom plate, and the clamping piece includes clamp assemblies, and the notch that the clamp assemblies correspond to the holding tank is equipped with butt junction;The first sleeve is contained in the holding tank and is connected to the inlet channel, first lid abuts with the second lid and is enclosed accommodating chamber, the butt junction is abutted with second lid backwards to the side of the first lid, air-flow enters the accommodating chamber from the inlet channel and first sleeve, to detect the leakproofness at first lid and the second lid abutting.Technical solutions of the utility model are intended to improve the sealing detection efficiency of filter.

Description

Fixing apparatus for filter
Technical field
The utility model relates to field of medical technology, in particular to a kind of fixing apparatus for filter.
Background technique
In medical device industry, need to detect the performance and quality of the medical instrument of production.For some smaller Medical device components, such as filter needs detector leakproofness.Currently, the leakproofness of testing filters is all on the market It is pressure testing sealing to be carried out to it using oil cylinder or cylinder, but since the volume of cylinder or oil cylinder is larger, operate to reduce Risk, when operation, need for filter to be placed on fixed position, and the hand of operators is waited to exit the region, then could start cylinder or Person's oil cylinder, efficiency is lower, and occupied space is larger.
Utility model content
The main purpose of the utility model is to provide a kind of fixing apparatus for filter, it is intended to improve the sealing detection of filter Efficiency.
To achieve the above object, the utility model proposes fixing apparatus for filter, the filter include the first lid With the second lid, first lid is equipped with first sleeve, further, the filter away from the side of second lid Fixing device includes:
Bottom plate, the bottom plate are equipped with holding tank and the inlet channel that is connected to the holding tank;
Clamping piece is set to the bottom plate, and the clamping piece includes clamp assemblies, and the clamp assemblies correspond to the holding tank Notch be equipped with butt junction;
The first sleeve is contained in the holding tank and is connected to the inlet channel, first lid and second Lid abuts and is enclosed accommodating chamber, and the butt junction is abutted with second lid backwards to the side of the first lid, air-flow Enter the accommodating chamber from the inlet channel and first sleeve, it is close at first lid and the second lid abutting to detect Feng Xing.
Further, the bottom plate is equipped with the air inlet being connected to the inlet channel, and air-flow is passed through from the air inlet The inlet channel enters in the accommodating chamber.
Further, the junction of the inlet channel and holding tank is equipped with limited step, and the first sleeve is contained in When in the holding tank, the first sleeve is abutted away from one end of second lid with limited step limit.
Further, the side wall of the holding tank is equipped with sealing element, when the first sleeve is contained in the holding tank, The peripheral wall of the first sleeve is sealed against with the sealing element.
Further, second lid is additionally provided with the second casing far from the side of first lid, and described second set Pipe is connected to the accommodating chamber;
The butt junction is convexly equipped with protrusion, and when the butt junction is abutted with second casing, second casing is separate One end of second lid is sheathed on the protrusion and abuts with the butt junction;Or, the butt junction be recessed with it is recessed Slot, when the butt junction is abutted with second casing, second casing is accommodated far from one end of second lid And it is limited in the groove.
Further, the material of the butt junction is rubber.
Further, the tapered setting of the butt junction, and the end of the butt junction is formed with bearing surface.
Further, the clamping piece further includes pedestal, handle and the stock set on the bottom plate, and the handle passes through Connecting rod is flexibly connected with the pedestal, and one end of the stock is flexibly connected with the pedestal and handle, and the stock is far from institute The one end for stating handle is connect with the clamp assemblies;
The handle is pulled, the connecting rod drives the stock and clamp assemblies mobile towards the holding tank, so that institute It states butt junction and is sealed against with second casing away from one end of second lid.
Further, the stock is equipped with through-hole far from one end of the handle, and the clamp assemblies include connecting rod, institute It states the one end of connecting rod far from the stock to connect with the butt junction, the connecting rod is equipped with two adjacent to one end of the stock A spaced boss, the connecting rod passes through the through-hole, so that the both ends of the through-hole are limited in two boss Between.
Further, the handle is arranged with Anti-slip cover far from one end of the stock.
In technical solutions of the utility model, first sleeve is contained in holding tank, and the second lid is abutted with butt junction, from And filter is limited between bottom plate and clamping piece, air-flow enters in accommodating chamber from inlet channel, to detect filter The leakproofness of one lid and the second lid junction, the fixing apparatus for filter are not only simple in structure, and can reduce space occupied; And convenient for operation, and then it can be improved detection efficiency.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of one embodiment of the utility model fixing apparatus for filter;
Fig. 2 is the sectional view of fixing apparatus for filter in Fig. 1;
Fig. 3 is the partial enlarged view in Fig. 2 at A.
Drawing reference numeral explanation:
Label Title Label Title
100 Fixing apparatus for filter 221 Mounting hole
1 Bottom plate 23 Handle
11 Inlet channel 231 Anti-slip cover
12 Holding tank 24 Stock
13 Air inlet 241 Through-hole
14 Limited step 25 Connecting rod
2 Clamping piece 300 Filter
21 Clamp assemblies 310 First lid
211 Connecting rod 311 First sleeve
212 Butt junction 320 Second lid
213 Intermediate plate 321 Second casing
214 Boss 330 Accommodating chamber
22 Pedestal
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. should do broad sense reason Solution, for example, " fixation " may be a fixed connection, may be a detachable connection, or integral;It can be mechanical connection, it can also To be electrical connection;It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary Or the interaction relationship of two elements, unless otherwise restricted clearly.It for the ordinary skill in the art, can be with The concrete meaning of above-mentioned term in the present invention is understood as the case may be.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and cannot manage Solution is its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " the One ", the feature of " second " can explicitly or implicitly include at least one of the features.In addition, the skill between each embodiment Art scheme can be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when technical solution It will be understood that the combination of this technical solution is not present in conjunction with there is conflicting or cannot achieve when, also not in the utility model It is required that protection scope within.
The utility model proposes a kind of fixing apparatus for filter 100, are used for Fixed-Filter 300.
Fig. 1 to Fig. 3 is please referred to, filter 300 includes the first lid 310 and the second lid 320, and the first lid 310 deviates from The side of second lid 320 is equipped with first sleeve 311, and fixing apparatus for filter 100 includes:
Bottom plate 1, bottom plate 1 are equipped with holding tank 12 and the inlet channel 11 that is connected to holding tank 12;
Clamping piece 2, is set to bottom plate 1, and clamping piece 2 includes clamp assemblies 21, the notch of the corresponding holding tank 12 of clamp assemblies 21 Equipped with butt junction 212;
First sleeve 311 is contained in holding tank 12 and is connected to inlet channel 11, the first lid 310 and the second lid 320 abut and are enclosed accommodating chamber 330, and butt junction 212 is abutted with the second lid 320 backwards to the side of the first lid 310, gas Stream enters accommodating chamber 330 from inlet channel 11 and first sleeve 311, to detect at the first lid 310 and 320 abutting of the second lid Leakproofness.
It is input in filter 300 it should be noted that air tightness detection equipment will control the accurate compressed air of pressure, Then source of inflation gas is automatically shut down, solenoid valve accurately controls the air balance of stipulated time, then has turned off the electromagnetism of balanced action Valve, air-leakage test is by the accurate little differential pressure sensor that is connected by test specimen with the same gas circuit of standard component, at the appointed time Standard component and the differential pressure value by test specimen are measured, then obtains the pressure generated by the practical leakage of test specimen by temperature-compensating Drop, to judge whether test specimen leaks.In the technical scheme, air tightness detection equipment and inlet channel 11 deviate from first sleeve 311 side connection, so that air be inputted in accommodating chamber 330.
In technical solutions of the utility model, first sleeve 311 is limited in holding tank 12, and the second lid 320 with abut First 212 abut, so that filter 300 is limited between bottom plate 1 and clamping piece 2, air-flow enters accommodating chamber from inlet channel 11 In 330, to use the sealing of air tightness detection equipment detection filter 300 first lid 310 and 320 junction of the second lid Property, the fixed device of the filter 300 is not only simple in structure, and can reduce space occupied;And it convenient for operation, and then can be improved Detection efficiency.
Specifically, pressure is larger when leak detection, it is necessary to tested article pressure can be just sealed, can with oil cylinder or Cylinder is sealed, but cylinder or oil cylinder volume are larger, damage in order to prevent to operator, need operator's Both hands exit after operating area, can just press control button starting oil cylinder or cylinder.And in the present embodiment, operator Filter 300 is buttressed on the other hand, in addition a hand operates clamping piece 2, so that it may realize the second lid 320 away from the first lid 310 1 Then the sealing of side can detect the leakproofness of filter 300 by gas leak detection device, operation is not only simple quickly, and And it is very safe.
In the present embodiment, the length of depth with first sleeve 311 of holding tank 12 is suitable, so that first sleeve 311 is held When being contained in holding tank 12, the lateral wall of the first lid 310 is abutted with the upper surface of bottom plate 1, prevents filter 300 from inclining Tiltedly.
Please refer to Fig. 1, bottom plate 1 equipped with the air inlet 13 being connected to inlet channel 11, air-flow from air inlet 13 pass through into Gas channel 11 enters in accommodating chamber 330.
In the present embodiment, bottom plate 1 is equipped with air inlet 13, and air-flow enters in accommodating chamber 330 from 13 hole of air inlet.Tool Body, air inlet 13 can be located at the side wall of bottom plate 1, facilitate the entrance of air-flow, and air-flow can be blasted air inlet by pumping In channel 11.
Referring to figure 3., the junction of inlet channel 11 and holding tank 12 is equipped with limited step 14, and first sleeve 311 accommodates When in holding tank 12, first sleeve 311 is abutted away from one end of the second lid 320 with the limit of limited step 14.
In order to improve the leakproofness of first sleeve 311 Yu 11 connectivity part of inlet channel, inlet channel 11 and holding tank 12 Junction is equipped with limited step 14, and when being sealed detection, first sleeve 311 is abutted with the limit of limited step 14, to prevent gas Leakage.Furthermore, it is possible to make the aperture of inlet channel 11 less than the aperture of first sleeve 311, end and limit when first sleeve 311 When position step 14 abuts, prevents air-flow from revealing from the junction of inlet channel 11 and holding tank 12, influence the sealing of filter 300 Detection effect.
Preferably, the side wall of holding tank 12 is equipped with sealing element (not shown), and first sleeve 311 is contained in holding tank 12 When, peripheral wall and the sealing element of first sleeve 311 seal against.
In the present embodiment, sealing element can not only increase sealing effect using the biggish material of elasticity, such as silica gel, And convenient filter 300 takes out.The inner wall of sealing element and holding tank 12 is fastenedly connected, can be fixed using glue etc., is prevented Sealing element is taken out of during taking out filter 300.
Further, the second lid 320 is additionally provided with the second casing 320, the second casing far from the side of the first lid 310 320 are connected to accommodating chamber 330;
Butt junction 212 is convexly equipped with raised (not shown), when butt junction 212 is abutted with the second casing 320, the second casing 320 One end far from the second lid 320 is sheathed on protrusion and abuts with butt junction 212;Fluted (do not scheme or, butt junction 212 is recessed Show), when butt junction 212 is abutted with the second casing 320, the second casing 320 is accommodated and is limited in far from one end of the second lid 320 Groove.
In order to the second casing 320 abut with butt junction 212 it is more stable, can in butt junction 212 projection protrusion, protrusion with Second casing 320 seals grafting, prevents filter 300 in run-off the straight during firmly pushing of butt junction 212 with this.It is preferred that Ground, can open up fluted in the end of butt junction 212, and the end of the second casing 320 is limited in groove, is facilitated conveniently The disengaging of butt junction 212 and the second casing 320.It, can will be to the second casing it should be noted that the depth of groove is unsuitable too deep 320 are limited.In addition, the diameter of groove need to be greater than the diameter of the second casing 320, more convenient second casing 320 It takes out.
Specifically, the material of butt junction 212 is rubber.
In the present embodiment, the material of butt junction 212 is rubber, and rubber facilitates machine-shaping, and has good bullet Property, it prevents from during the depression process damaging filter 300.
Referring to Fig.1 and 2, the tapered setting of butt junction 212, and the end of butt junction 212 is formed with bearing surface.
In the present embodiment, the tapered setting of butt junction 212, i.e. butt junction 212 are from the position far from holding tank 12 to leaning on The direction of nearly holding tank 12 is in tapered setting, has not only ensured the structural strength of butt junction 212, but also facilitates butt junction 212 and the Two casings 320 seal against.
Fig. 1 is please referred to, clamping piece 2 further includes pedestal 22, handle 23 and the stock 24 set on bottom plate 1, and handle 23 passes through Connecting rod 25 is flexibly connected with pedestal 22, and one end of stock 24 is flexibly connected with pedestal 22 and handle 23, and stock 24 is far from handle 23 One end connect with clamp assemblies 21;
Handle 23 is pulled, connecting rod 25 drives stock 24 and clamp assemblies 21 mobile towards holding tank 12, so that butt junction 212 It is sealed against with the second casing 320 away from one end of the second lid 320.
Specifically, pedestal 22 is equipped with mounting hole 221, and bottom plate 1 is equipped with connecting hole, and clamping piece 2 passes through mounting hole 221, connection Hole and fastener are fixedly connected with bottom plate 1.One end of stock 24 bends and extends to pedestal 22, the free end of extension and pedestal 22 connections, connect with the side that the free end is oppositely arranged with handle 23.It pulls handle 23 and is rotated down its end, handle 23 leading portion tilts, and stock 24 is driven to rotate relative to pedestal 22, so that clamp assemblies 21 move down, so that butt junction 212 move to holding tank 12 and compress the end of the second casing 320 and seal the second casing 320, and filter 300 is consolidated It is fixed.
Referring to Fig.1 and 2, stock 24 is equipped with through-hole 241 far from one end of handle 23, clamp assemblies 21 include connecting rod 211, the one end of connecting rod 211 far from stock 24 is connect with butt junction 212, and connecting rod 211 is equipped with two adjacent to one end of stock 24 A spaced boss 214, connecting rod 211 pass through through-hole 241 so that the both ends of through-hole 241 be limited in two boss 214 it Between.
In the present embodiment, cooperated by boss 214 spaced in connecting rod 211 with the through-hole 241 on stock 24 Connecting rod 211 is limited in the end of stock 24, further, it is also possible to the sandwiched between 241 end of each boss 214 and through-hole Intermediate plate prevents connecting rod 211 from sliding in through-hole 241, increases integrally-built stability.It is of course also possible in connecting rod 211 Outer wall be arranged screw thread, connecting rod 211 is limited in the end of stock 24 by nut.
Furthermore, it is possible to open up limiting slot (not indicating), 211 court of connecting rod away from the side of holding tank 12 in butt junction 212 It is plugged in the interference fit of the side wall in limiting slot and with limiting slot to one end of bottom plate 1, to realize butt junction 212 and connecting rod 211 connection, naturally it is also possible to be connected using other modes, herein with no restrictions.
Please continue to refer to Fig. 1 and Fig. 2, handle 23 is arranged with Anti-slip cover 231 far from one end of stock 24.
Preferably, it is arranged with Anti-slip cover 231 in the tail end of handle 23, and can be anti-in the outer wall projection of Anti-slip cover 231 Sliding rib, prevents skidding when pulling handle 23.The material of Anti-slip cover 231 can be rubber, and rubber has certain bullet Property, it prevents that palm is caused to damage when firmly pulling handle 23.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model, It is all under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.

Claims (10)

1. a kind of fixing apparatus for filter is used for Fixed-Filter, the filter includes the first lid and the second lid, described First lid is equipped with first sleeve away from the side of second lid, which is characterized in that the fixing apparatus for filter includes:
Bottom plate, the bottom plate are equipped with holding tank and the inlet channel that is connected to the holding tank;
Clamping piece is set to the bottom plate, and the clamping piece includes clamp assemblies, and the clamp assemblies correspond to the slot of the holding tank Mouth is equipped with butt junction;
The first sleeve is contained in the holding tank and is connected to the inlet channel, first lid and the second lid Abut and be enclosed accommodating chamber, the butt junction is abutted with second lid backwards to the side of the first lid, and air-flow is from institute It states inlet channel and first sleeve enters the accommodating chamber, to detect the sealing at first lid and the second lid abutting Property.
2. fixing apparatus for filter as described in claim 1, which is characterized in that the bottom plate is equipped with to be connected with the inlet channel Logical air inlet, air-flow pass through the inlet channel from the air inlet and enter in the accommodating chamber.
3. fixing apparatus for filter as claimed in claim 2, which is characterized in that the junction of the inlet channel and holding tank Equipped with limited step, when the first sleeve is contained in the holding tank, the first sleeve is away from second lid One end is abutted with limited step limit.
4. fixing apparatus for filter as claimed in claim 3, which is characterized in that the side wall of the holding tank is equipped with sealing element, When the first sleeve is contained in the holding tank, the peripheral wall of the first sleeve is sealed against with the sealing element.
5. fixing apparatus for filter according to any one of claims 1 to 4, which is characterized in that second lid is separate The side of first lid is additionally provided with the second casing, and second casing is connected to the accommodating chamber;
The butt junction is convexly equipped with protrusion, and when the butt junction is abutted with second casing, second casing is far from described One end of second lid is sheathed on the protrusion and abuts with the butt junction;Or, the butt junction is recessed fluted, it is described to support When connector is abutted with second casing, second casing is accommodated far from one end of second lid and is limited in described recessed Slot.
6. fixing apparatus for filter as claimed in claim 5, which is characterized in that the material of the butt junction is rubber.
7. fixing apparatus for filter as claimed in claim 5, which is characterized in that the tapered setting of butt junction, and it is described The end of butt junction is formed with bearing surface.
8. fixing apparatus for filter as claimed in claim 5, which is characterized in that the clamping piece further includes being set to the bottom plate Pedestal, handle and stock, the handle is flexibly connected by connecting rod with the pedestal, one end of the stock and the bottom Seat and handle are flexibly connected, and the one end of the stock far from the handle is connect with the clamp assemblies;
The handle is pulled, the connecting rod drives the stock and clamp assemblies mobile towards the holding tank, so that described support Connector is sealed against with second casing away from one end of second lid.
9. fixing apparatus for filter as claimed in claim 8, which is characterized in that the stock is set far from one end of the handle There is through-hole, the clamp assemblies include connecting rod, and the one end of the connecting rod far from the stock is connect with the butt junction, institute Connecting rod to be stated to set adjacent to one end of the stock there are two spaced boss, the connecting rod passes through the through-hole, so that The both ends of the through-hole are limited between two boss.
10. fixing apparatus for filter as claimed in claim 9, which is characterized in that the one end of the handle far from the stock It is arranged with Anti-slip cover.
CN201920457075.0U 2019-04-01 2019-04-01 Fixing apparatus for filter Active CN209542005U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920457075.0U CN209542005U (en) 2019-04-01 2019-04-01 Fixing apparatus for filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920457075.0U CN209542005U (en) 2019-04-01 2019-04-01 Fixing apparatus for filter

Publications (1)

Publication Number Publication Date
CN209542005U true CN209542005U (en) 2019-10-25

Family

ID=68275947

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920457075.0U Active CN209542005U (en) 2019-04-01 2019-04-01 Fixing apparatus for filter

Country Status (1)

Country Link
CN (1) CN209542005U (en)

Similar Documents

Publication Publication Date Title
CN113237615B (en) Air tightness testing device for tubular medical instrument
CN107340101A (en) A kind of sealing device gas tiny leakage evaluating apparatus and method
WO2017166696A1 (en) Blood gas analyzer and blood gas biochemical test card thereof
KR101730861B1 (en) Leak test equipment
JP3963340B2 (en) Gas measuring method and apparatus using the same
CN208596014U (en) It is a kind of to push vacuum leakage detection apparatus manually
CN111175529A (en) In-vitro diagnosis analyzer, reagent card and mounting structure
WO2017166693A1 (en) Blood gas analyzer and blood gas biochemical test card thereof
CN209542005U (en) Fixing apparatus for filter
WO2016008273A1 (en) Checking platform for sulfur hexafluoride gas humidity sensor under pressure
KR101609738B1 (en) apparatus for testing seal of the radiator
CN105548532A (en) Blood gas test card, blood gas test instrument and test method
CN211878005U (en) In-vitro diagnosis analyzer, reagent card and mounting structure
CN218781965U (en) Airtight and dual-purpose test fixture of water pressure
KR20050098930A (en) Method and device for recognizing leaks
CN205483408U (en) Shutoff frock of fuel rubber tube, fire oil pipe's fixed frock gentleness secret nature check out test set
CN215066459U (en) Pipeline methane sensor accuracy testing arrangement
JPH11307136A (en) Air tightness testing device for sealed storage battery
CN205139004U (en) Sulfur hexafluoride gas composition sampling analysis device
CN207675395U (en) Plug-in type drainage tube air tight test device
CN207976330U (en) A kind of Portable high-flow low concentration flue dust auto testing instrument
CN103207053B (en) Windshield Washer leakage inspector
CN209198020U (en) A kind of medical instrument detection device
CN208921378U (en) A kind of online glove integrity test instrument
CN105444960A (en) Fuel hose plugging tool, rapid joint fixation tool and airtightness detection device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant