CN217111439U - Tail-pulling oil extractor - Google Patents

Tail-pulling oil extractor Download PDF

Info

Publication number
CN217111439U
CN217111439U CN202123362101.8U CN202123362101U CN217111439U CN 217111439 U CN217111439 U CN 217111439U CN 202123362101 U CN202123362101 U CN 202123362101U CN 217111439 U CN217111439 U CN 217111439U
Authority
CN
China
Prior art keywords
oil
positioning
clamping
carburetor
assembly
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
CN202123362101.8U
Other languages
Chinese (zh)
Inventor
雷俊
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.)
Junma Precision Industry Huizhou Co ltd
Original Assignee
Junma Precision Industry Huizhou 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 Junma Precision Industry Huizhou Co ltd filed Critical Junma Precision Industry Huizhou Co ltd
Priority to CN202123362101.8U priority Critical patent/CN217111439U/en
Application granted granted Critical
Publication of CN217111439U publication Critical patent/CN217111439U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)

Abstract

The utility model belongs to the technical field of carburetor detection equipment, in particular to a tail-pulling oil suction machine which is used for replacing oil in a carburetor and comprises a workbench, an oil supply mechanism, an oil suction mechanism and at least one group of clamping and positioning mechanisms, wherein the oil supply mechanism, the oil suction mechanism and the at least one group of clamping and positioning mechanisms are arranged on the workbench; each clamping and positioning mechanism comprises a positioning component, a clamping component and an opening component; the positioning assemblies are uniformly arranged on the workbench at intervals; a backflow cavity is arranged on the positioning assembly and is respectively communicated with the oil suction mechanism and the oil supply mechanism; the clamping assembly is mounted on the workbench and used for fixing the carburetor on the positioning assembly, and the spreading assembly is mounted on the positioning assembly and used for keeping the mixing cavity of the carburetor in a completely open state, so that oil in the carburetor can be automatically replaced, the processing efficiency is improved, and the labor intensity is reduced.

Description

Tail-pulling oil extractor
Technical Field
The utility model belongs to the technical field of carburetor check out test set, especially, relate to a draw tail oil extractor.
Background
After the flow test of the carburetor is completed, mixed oil needs to be injected to replace oil in the carburetor, so that the problem of adhesion of a diaphragm of the carburetor is reduced, the effective detection of fragments is improved, and the yield of the carburetor is guaranteed. At present, the oil absorption processes are completed through manual operation on an assembly line, and the problems of low efficiency, high labor intensity, difficult quality control and the like exist.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a draw tail oil extractor aims at solving and accomplishes through manual operation among the prior art, has the technical problem of inefficiency, intensity of labour are big, the difficult management and control of quality.
In order to achieve the above object, an embodiment of the present invention provides a tail oil suction machine for exchanging oil in a carburetor, which includes a workbench, an oil supply mechanism, an oil suction mechanism and at least one clamping and positioning mechanism, wherein the oil supply mechanism, the oil suction mechanism and the at least one clamping and positioning mechanism are disposed on the workbench; each clamping and positioning mechanism comprises a positioning component, a clamping component and an opening component; the positioning assemblies are uniformly arranged on the workbench at intervals; a backflow cavity is arranged on the positioning assembly and is respectively communicated with the oil suction mechanism and the oil supply mechanism; the clamping assembly is mounted on the workbench and used for fixing the carburetor on the positioning assembly, and the spreading assembly is mounted on the positioning assembly and used for keeping the mixing cavity of the carburetor in a fully open state.
Optionally, the oil supply mechanism comprises an oil tank, a first filter, a flow meter and a three-way valve which are connected in sequence;
the oil tank install in on the workstation and with the oil absorption mechanism is connected, the flowmeter install in locating component's rear, the three-way valve install in locating component is last, two other interfaces of three-way valve are connecting tube and air cleaner respectively.
Optionally, a liquid level sensor for detecting a liquid level is arranged in the oil tank.
Optionally, the positioning assembly comprises a positioning seat and a positioning piece; the positioning seat is installed on the workbench, the backflow cavity is arranged on the positioning seat, the positioning piece is installed on the positioning seat, a backflow through hole communicated with the backflow cavity is formed in the positioning piece, and a positioning column is arranged on one side, back to the positioning seat, of the positioning piece.
Optionally, the positioning piece is provided with an adjusting hole circumferentially arranged along the positioning piece, a fastening bolt penetrates through the adjusting hole to be connected with the positioning seat so that the positioning piece is fixed on the positioning seat, and the positioning seat is provided with a dial.
Optionally, the positioning assembly further includes a pressure sensor, and the pressure sensor is mounted on the positioning seat and extends into the backflow cavity to detect a pressure state in the backflow cavity.
Optionally, the opening assembly includes a first opening cylinder and a second opening cylinder, and both the first opening cylinder and the second opening cylinder are mounted on the positioning seat and are used for maintaining the opening state of the carburetor.
Optionally, the clamping assembly comprises a clamping seat, a clamping cylinder and a clamping piece; the clamping seat is mounted on the workbench, the clamping cylinder is mounted on the clamping seat, and the clamping piece is mounted on a piston rod of the clamping cylinder; the clamping piece is provided with an air inlet cavity communicated with the carburetor mixing cavity, the side wall of the clamping piece is provided with a connector communicated with the air inlet cavity, and the connector is provided with a two-way valve.
Optionally, the oil suction mechanism comprises a second filter, an oil-gas separator, a vacuum pump and an oil storage tank; the second filter with locating component intercommunication, oil and gas separator connect in the second filter with between the vacuum pump, the oil storage tank with oil and gas separator is connected.
Optionally, the oil suction mechanism further comprises a vacuum pressure reducing valve, and the vacuum pressure reducing valve is connected between the filter and the oil-gas separator.
The embodiment of the utility model provides an above-mentioned one or more technical scheme in the tail oil extractor of drawing that provides has one of following technological effect at least: when the carburetor is used, the carburetor is placed on the positioning assembly firstly, so that an air inlet of the carburetor is communicated with the backflow cavity, then the carburetor is fixed on the positioning assembly by the clamping assembly, meanwhile, a compensation opening of the carburetor is sealed, then the oil supply mechanism is connected with an oil inlet of the carburetor, then the air inlet shifting piece and the compensation shifting piece of the carburetor are opened by the spreading assembly, so that the mixing cavity is kept in a fully opened state, namely, a closed oil way is formed; then the oil suction mechanism is started to generate negative pressure, the oil supply mechanism injects mixed oil into the carburetor to replace oil in the carburetor, the replaced oil flows into the oil suction mechanism, the oil in the carburetor is automatically replaced, the next carburetor is replaced to repeat the steps, the automatic replacement of the oil in the carburetor is achieved, and the plurality of clamping and positioning mechanisms are arranged, so that the plurality of carburetors can be replaced simultaneously, the processing efficiency is improved, and the labor intensity is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic structural view of a tail oil extractor provided by an embodiment of the present invention.
Fig. 2 is another schematic structural diagram of the tail oil extractor according to the embodiment of the present invention.
Fig. 3 is a schematic view of a partial structure of a tail oil extractor according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a positioning assembly in a tail oil extractor according to an embodiment of the present invention.
Fig. 5 is a cross-sectional view of the positioning assembly in the tail suction machine provided in fig. 4.
Fig. 6 is a schematic structural view of an additional clamping assembly in the tail oil suction machine according to the embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
10-workbench 20-oil supply mechanism 21-oil tank
22-first filter 23-flowmeter 24-three-way valve
25-pipeline 26-air cleaner 30-oil suction mechanism
31-second filter 32-oil-gas separator 33-vacuum pump
34-oil storage tank 35-vacuum pressure reducing valve 40-clamping positioning mechanism
41-positioning component 411-reflow cavity 412-positioning seat
4121-dial 413-positioning piece 4131-backflow through hole
4132-positioning column 4133-adjusting hole 414-pressure sensor
42-clamping assembly 421-clamping seat 422-clamping cylinder
423 clamping piece 4231 air inlet cavity 43 opening component
431-a first spreader cylinder 432-a second spreader cylinder.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in fig. 1-6, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functionality throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.
In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.
In order to achieve the above object, an embodiment of the present invention provides a tail oil suction machine for exchanging oil in a carburetor, wherein the carburetor includes a mixing chamber, an air inlet and a compensation port disposed at two ends of the mixing chamber; an air inlet shifting sheet is arranged at the air inlet, and a compensation shifting sheet is arranged at the compensation port.
As shown in fig. 1 to 6, the tail oil suction machine comprises a workbench 10, an oil supply mechanism 20, an oil suction mechanism 30 and at least one group of clamping and positioning mechanisms 40, which are arranged on the workbench 10;
each clamping and positioning mechanism 40 comprises a positioning component 41, a clamping component 42 and a spreading component 43;
the positioning assemblies 41 are uniformly arranged on the workbench 10 at intervals; a return cavity 411 matched with the opening of the mixing cavity of the carburetor is arranged on the positioning component 41, and the return cavity 411 is respectively communicated with the oil suction mechanism 30 and the oil supply mechanism 20;
the clamping component 42 is installed on the workbench 10 and is used for fixing the carburetor on the positioning component 41 to cover the other opening of the mixing cavity of the carburetor, and the spreading component 43 is installed on the positioning component 41 and is used for keeping the mixing cavity of the carburetor in a fully open state.
Specifically, when the carburetor is used, the carburetor is placed on the positioning assembly 41, so that the air inlet of the carburetor is communicated with the return flow cavity 411, then the carburetor is fixed on the positioning assembly 41 by the clamping assembly 42, the compensation port of the carburetor is sealed, then the oil supply mechanism 20 is connected with the oil inlet of the carburetor, and then the air inlet plectrum and the compensation plectrum of the carburetor are opened by the spreading assembly 43, so that the mixing cavity is kept in a fully opened state, namely, a closed oil path is formed; then the oil suction mechanism 30 is started to generate negative pressure, the oil supply mechanism 20 injects mixed oil into the carburetor to replace oil in the carburetor, the replaced oil flows into the oil suction mechanism 30, the oil in the carburetor is automatically replaced, the next carburetor is replaced to repeat the steps, the oil in the carburetor is automatically replaced, and the plurality of clamping and positioning mechanisms 40 are arranged, so that the plurality of carburetors can be replaced simultaneously, the processing efficiency is improved, and the labor intensity is reduced.
It should be noted that in the present embodiment, the power components of the oil supply mechanism 20, the oil suction mechanism 30, the positioning assembly 41, the clamping assembly 42 and the spreading assembly 43 are controlled by a control system, for example, when the carburetor needs to be clamped, that is, the control system controls the clamping assembly 42 to operate, so that the clamping assembly 42 clamps the carburetor on the positioning assembly 41, wherein the control system may be a computer or a PLC controller.
In another embodiment of the present invention, the oil suction mechanism 30 communicates with the oil supply mechanism 20. In this way, the oil suction mechanism 30 delivers the oil replaced from the carburetor to the oil supply mechanism 20, thereby recycling the oil and reducing the usage amount of the mixed oil.
In another embodiment of the present invention, as shown in fig. 1 to 3, the oil supply mechanism 20 includes an oil tank 21, a first filter 22, a flow meter 23 and a three-way valve 24 which are connected in sequence;
the oil tank 21 is mounted on the workbench 10 and connected with the oil suction mechanism 30, the flow meter 23 is mounted behind the positioning component 41, the three-way valve 24 is mounted on the positioning component 41, and the other two ports of the three-way valve 24 are respectively connected with the pipeline 25 and the air filter 26; specifically, the pipeline 25 is communicated with an oil inlet of a carburetor, when the carburetor is in operation, oil liquid in the oil tank 21 sequentially passes through the first filter 22, the flowmeter 23 and the three-way valve 24 and then enters the carburetor so as to replace the oil liquid of the carburetor, one interface of the three-way valve 24 is connected with the air filter 26, when the pipeline 25 is separated from the carburetor, oil discharge is stopped, and therefore the replacement of the carburetor on other stations is not influenced when the carburetor is replaced; and the flowmeter 23 that sets up can be used for measuring the fluid volume that gets into in the three-way valve 24 to can control the control flow, improve the quality of control.
In another embodiment of the present invention, a liquid level sensor for detecting a liquid level is disposed in the oil tank 21. Specifically, the liquid level sensor is used for detecting the amount of liquid in the oil tank 21, so that the reminding function is achieved.
In another embodiment of the present invention, as shown in fig. 1 to 5, the positioning assembly 41 includes a positioning seat 412 and a positioning element 413; the positioning seat 412 is installed on the working table 10, the backflow cavity 411 is installed on the positioning seat 412, the positioning element 413 is installed on the positioning seat 412, a backflow through hole 4131 communicated with the backflow cavity 411 is formed in the positioning element 413, and a positioning column 4132 is arranged on one side, opposite to the positioning seat 412, of the positioning element 413. Specifically, the mixing chamber of the carburetor is aligned with the return through hole 4131 of the positioning member 413 by the positioning post 4132, and then the carburetor is pressed against the positioning member 413 by the clamping assembly 42, thereby improving the accuracy of the installation of the carburetor.
In another embodiment of the present invention, as shown in fig. 4 to 5, the positioning element 413 is provided with an adjusting hole 4133 circumferentially arranged along the positioning element 413, a fastening bolt passes through the adjusting hole 4133 to be connected with the positioning seat 412, so that the positioning element 413 is fixed on the positioning seat 412, and the positioning seat 412 is provided with a dial 4121. Specifically, the positioning piece 413 is rotated through the adjusting hole 4133, so that the positions of the two positioning columns 4132 are adjusted, and the dial 4121 is provided at an angle that can be intuitively adjusted, so that the fastening position of the carburetor can be accurately adjusted.
In another embodiment of the present invention, as shown in fig. 4 to 5, the positioning assembly 41 further includes a pressure sensor 414, the pressure sensor 414 is installed on the positioning seat 412 and extends into the reflow chamber 411 to detect the pressure state in the reflow chamber 411. Specifically, a pressure sensor 414 is provided to detect a pressure state in the return chamber 411, thereby enabling monitoring of the state in the return chamber 411 to improve stability of operation.
In another embodiment of the present invention, as shown in fig. 3, the expanding assembly 43 includes a first expanding cylinder 431 and a second expanding cylinder 432, and the first expanding cylinder 431 and the second expanding cylinder 432 are both installed on the positioning seat 412 and are used for maintaining the expanding state of the air intake plectrum and the compensation plectrum. Specifically, the first spreading cylinder 431 and the second spreading cylinder 432 keep the mixing cavity of the carburetor at the maximum opening, so that oil can smoothly pass through the mixing cavity, and the influence of an air inlet plectrum and a compensation plectrum on the oil flow is reduced.
In another embodiment of the present invention, as shown in fig. 1-2 and fig. 6, the clamping assembly 42 includes a clamping seat 421, a clamping cylinder 422, and a clamping member 423; the clamping seat 421 is mounted on the workbench 10, the clamping cylinder 422 is mounted on the clamping seat 421, and the clamping member 423 is mounted on a piston rod of the clamping cylinder 422; an air inlet cavity 4231 communicated with the carburetor mixing cavity is formed in the clamping piece 423, an interface communicated with the air inlet cavity 4231 is formed in the side wall of the clamping piece 423, and a two-way valve is arranged at the interface. Specifically, the clamping cylinder 422 drives the clamping member 423 to fix the carburetor on the positioning member 413, and simultaneously seals the mixing cavity of the carburetor, so that after oil in the carburetor is replaced, the mixing cavity of the carburetor is communicated with the outside atmosphere through the two-way valve, so that air is discharged, and the carburetor can be conveniently taken down to process the next carburetor.
In another embodiment of the present invention, as shown in fig. 1-2, the oil suction mechanism 30 includes a second filter 31, an oil-gas separator 32, a vacuum pump 33 and an oil storage tank 34;
the second filter 31 is communicated with the positioning assembly 41, the gas-oil separator 32 is connected between the second filter 31 and the vacuum pump 33, and the oil storage tank 34 is connected with the gas-oil separator 32. Specifically, the vacuum pump 33 generates negative pressure in the air-oil separator 32, so that the oil in the carburetor enters the air-oil separator 32 through the second filter 31, the oil after passing through the air-oil separator 32 enters the oil storage tank 34, and the oil storage tank 34 delivers the recovered mixed oil to the oil supply mechanism 20, thereby realizing a circulation loop, recycling the mixed oil, reducing the content of gas in the oil through the arranged air-oil separator 32, facilitating recycling, and reducing the influence of air on the oil.
In another embodiment of the present invention, as shown in fig. 1-2, the oil absorption mechanism 30 further includes a vacuum pressure reducing valve 35, the vacuum pressure reducing valve 35 is connected between the filter and the oil-gas separator 32, so as to play a role of pressure reduction, improve the pressure stability of the loop, and improve the stability of the operation.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A tail oil suction machine is characterized in that the tail oil suction machine is used for replacing oil in a carburetor and comprises a workbench, an oil supply mechanism, an oil suction mechanism and at least one group of clamping and positioning mechanisms, wherein the oil supply mechanism and the oil suction mechanism are arranged on the workbench; each clamping and positioning mechanism comprises a positioning component, a clamping component and an opening component; the positioning assemblies are uniformly arranged on the workbench at intervals; a backflow cavity is arranged on the positioning assembly and is respectively communicated with the oil suction mechanism and the oil supply mechanism; the clamping assembly is mounted on the workbench and used for fixing the carburetor on the positioning assembly, and the spreading assembly is mounted on the positioning assembly and used for keeping the mixing cavity of the carburetor in a fully open state.
2. The tail oil extractor of claim 1 wherein the oil supply mechanism comprises an oil tank, a first filter, a flow meter and a three-way valve connected in sequence;
the oil tank install in on the workstation and with the oil absorption mechanism is connected, the flowmeter install in locating component's rear, the three-way valve install in locating component is last, two other interfaces of three-way valve are connecting tube and air cleaner respectively.
3. The tail oil extractor of claim 2 wherein a level sensor is disposed within the tank for detecting a liquid level.
4. The tail oil suction machine according to any one of claims 1 to 3, wherein the positioning assembly comprises a positioning seat and a positioning piece; the positioning seat is installed on the workbench, the backflow cavity is arranged on the positioning seat, the positioning piece is installed on the positioning seat, a backflow through hole communicated with the backflow cavity is formed in the positioning piece, and a positioning column is arranged on one side, back to the positioning seat, of the positioning piece.
5. The tail oil suction machine according to claim 4, wherein the positioning member is provided with an adjusting hole circumferentially arranged along the positioning member, a fastening bolt passes through the adjusting hole to be connected with the positioning seat so that the positioning member is fixed on the positioning seat, and the positioning seat is provided with a dial.
6. The tail oil extractor of claim 4 wherein the positioning assembly further comprises a pressure sensor mounted on the positioning seat and extending into the return chamber to detect a pressure condition in the return chamber.
7. The tail oil extractor of claim 4 wherein the spreading assembly comprises a first spreading cylinder and a second spreading cylinder, and the first spreading cylinder and the second spreading cylinder are mounted on the positioning seat and are configured to maintain the spreading state of the carburetor.
8. The tail oil suction machine according to any one of claims 1 to 3, wherein the clamping assembly comprises a clamping seat, a clamping cylinder and a clamping piece; the clamping seat is mounted on the workbench, the clamping cylinder is mounted on the clamping seat, and the clamping piece is mounted on a piston rod of the clamping cylinder; the clamping piece is provided with an air inlet cavity communicated with the carburetor mixing cavity, the side wall of the clamping piece is provided with a connector communicated with the air inlet cavity, and the connector is provided with a two-way valve.
9. The tail oil absorption machine according to any one of claims 1 to 3, wherein the oil absorption mechanism comprises a second filter, an oil-gas separator, a vacuum pump and an oil storage tank; the second filter with locating component intercommunication, oil and gas separator connect in the second filter with between the vacuum pump, the oil storage tank with oil and gas separator is connected.
10. The tail oil extractor of claim 9 wherein the oil extraction mechanism further comprises a vacuum relief valve, the vacuum relief valve being connected between the strainer and the oil separator.
CN202123362101.8U 2021-12-27 2021-12-27 Tail-pulling oil extractor Active CN217111439U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123362101.8U CN217111439U (en) 2021-12-27 2021-12-27 Tail-pulling oil extractor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123362101.8U CN217111439U (en) 2021-12-27 2021-12-27 Tail-pulling oil extractor

Publications (1)

Publication Number Publication Date
CN217111439U true CN217111439U (en) 2022-08-02

Family

ID=82591970

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123362101.8U Active CN217111439U (en) 2021-12-27 2021-12-27 Tail-pulling oil extractor

Country Status (1)

Country Link
CN (1) CN217111439U (en)

Similar Documents

Publication Publication Date Title
CN217111439U (en) Tail-pulling oil extractor
CN209214854U (en) A kind of underground coal mine SF6 leaks hunting wind multiple spot synchronic gas acquisition device
CN2498602Y (en) Instrument for testing perfection of membrane filtering core
CN215647596U (en) Automatic liquid medicine feeding device for circuit board production
CN210977835U (en) Water pump detection platform
CN212134262U (en) Water quality testing appearance preprocessing device
CN201327436Y (en) Screw hole detection device for right body oil passage of crankcase
CN213684471U (en) Pneumatic diaphragm pump testing arrangement
CN114135476A (en) Pump detection device
CN202110008U (en) Special calibration device for electromagnetic heat meters
CN213874861U (en) Leakage detector for electromagnetic valve
CN214373154U (en) Leak detection device
CN219713052U (en) Improved lubricating oil tank oil filtering structure
CN219714641U (en) Flange seal detection equipment
CN211448999U (en) Low-pressure oil pump function test platform
CN214844031U (en) Oil suction machine of simulation engine
CN219104848U (en) Gas detector
CN221198806U (en) Tightness detection device of pneumatic three-way valve
CN209745899U (en) Plastic packaging material check out test set
CN217518834U (en) Small-flow comprehensive fuel pump test bed
CN220802661U (en) Automatic leaching liquid filtering device
CN221131194U (en) Filter for reation kettle
CN220726547U (en) Testing device of electronic water pump
CN116771663B (en) Water pump detects with examination water testboard
CN216410564U (en) Water suction pump lift detection device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant