CN212722416U - Valve box pressure measuring device - Google Patents
Valve box pressure measuring device Download PDFInfo
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- CN212722416U CN212722416U CN202021875660.1U CN202021875660U CN212722416U CN 212722416 U CN212722416 U CN 212722416U CN 202021875660 U CN202021875660 U CN 202021875660U CN 212722416 U CN212722416 U CN 212722416U
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Abstract
The utility model relates to a valve box detects technical field, concretely relates to valve box pressure measurement device, including pressure measurement railway carriage or compartment room, one side in pressure measurement railway carriage or compartment room be equipped with hydraulic pump and pneumatic pump, the opposite side in pressure measurement railway carriage or compartment room is equipped with control panel, pneumatic pump and hydraulic pump are equallyd divide and do not bond on the outer wall in pressure measurement railway carriage or compartment room, be equipped with a plurality of pressure measurement table body in the pressure measurement railway carriage or compartment room, the top surface of pressure measurement table body bonds and has the pressure measurement support, one side of pressure measurement support is equipped with the input tube, the one end of input tube is equipped with the input ring flange, pneumatic pump and hydraulic pump all are linked together through input tube and input ring flange, the opposite side of pressure measurement support is equipped with the output tube, one side of. The utility model provides an easy operation, it is convenient to detect, is convenient for make a video recording, conveniently observes, and detection effect is high, is convenient for accomodate article, safe and reliable's valve box pressure measurement device.
Description
Technical Field
The utility model relates to a valve box detects technical field, concretely relates to valve box pressure measurement device.
Background
The valve box is mainly used for controlling components of an oil channel in an automatic transmission, is commonly used for ship bodies and vehicles, and is continuously improved in life by people at any time, the requirement of people on the valve box is continuously improved, namely the valve box is reliable, durable and efficient, and generally needs to be repeatedly detected, wherein the hydraulic detection result is the best basis for evaluating the performance of the valve box.
In the prior art, in order to detect the pressure of the oil passage of the valve box, a common method is to drill a hole in the valve box and install a pressure sensor, and although the method can obtain good detection effect, the structure of the valve box is generally complicated, and a plurality of detection elements are required to be installed on the valve box, so that the operation is very troublesome; and in the testing process, along with hydraulic pressure constantly increases, the valve box that has the defect of inevitable appears the weeping condition, leads to the weeping to spout the detection workman of one side for detect the workman and receive the injury, thereby influence the going on that detects.
Therefore, the valve box pressure measuring device is simple to produce, convenient to detect, convenient to photograph, convenient to observe, high in detection effect, convenient to store articles, safe and reliable, and has wide market prospect.
Disclosure of Invention
The utility model provides an easy operation, it is convenient to detect, is convenient for make a video recording, conveniently observes, and detection effect is high, is convenient for accomodate article, safe and reliable's valve box pressure measurement device for overcome defect among the prior art.
The utility model adopts the technical proposal that: the utility model provides a valve box pressure measurement device, including pressure measurement railway carriage or compartment room, one side in pressure measurement railway carriage or compartment room be equipped with hydraulic pump and pneumatic pump, the opposite side in pressure measurement railway carriage or compartment room is equipped with control panel, pneumatic pump and hydraulic pump are equallyd divide and do not bond on the outer wall in pressure measurement railway carriage or compartment room, be equipped with a plurality of pressure measurement table body in the pressure measurement railway carriage or compartment room, the top surface of pressure measurement table body bonds there is the pressure measurement support, one side of pressure measurement support is equipped with the input tube, the one end of input tube is equipped with the input ring flange, pneumatic pump and hydraulic pump all are linked together with the input ring flange through the input tube, the opposite side of pressure measurement support is equipped with the output tube, one side of output tube.
One side of input tube be equipped with hydraulic solenoid valve and pneumatic solenoid valve respectively, hydraulic solenoid valve and pneumatic solenoid valve bond respectively and fix on the pressure measurement table body, the output of hydraulic solenoid valve and pneumatic solenoid valve is linked together through the input of pipeline with the input respectively, the input of hydraulic solenoid valve is linked together through pipeline and hydraulic pump, the input of pneumatic solenoid valve is linked together through pipeline and pneumatic pump, one side of output tube be equipped with output solenoid valve, output solenoid valve bonds and fixes on the pressure measurement table body, output solenoid valve's input is linked together with the output of output tube, hydraulic solenoid valve, pneumatic solenoid valve and output solenoid valve respectively with control panel electric connection.
The pressure measuring bracket is characterized in that a sleeve hole is formed in the side wall of the pressure measuring bracket, the sleeve hole is sleeved on one side of the input flange plate or the output flange plate, the aperture of the sleeve hole is matched with the outer diameter of one side of the input flange plate or the output flange plate, the other side of the input flange plate or the output flange plate is in contact with the inner wall of the pressure measuring bracket, a pressure measuring probe is arranged in the output flange plate, the pressure measuring probe is fixedly bonded on the inner wall of the output flange plate, and the pressure measuring probe is.
One side of the pressure measuring table body be equipped with the observation camera, observe the camera and pass through the fix with screw at the inner wall top in pressure measuring railway carriage or compartment room, control panel's the outside is equipped with the observation display screen, the below of observing the display screen is equipped with swivel mount, the observation display screen passes through the swivel mount articulated to be fixed on control panel, observe the display screen and observe the camera respectively with control panel electric connection.
The hydraulic pump and the pneumatic pump respectively with control panel electric connection, control panel is including protecting casing, display, a plurality of feedback lamp, a plurality of button and control mainboard, this control mainboard is inlayed and is fixed in this protective housing, this display, a plurality of feedback lamp and a plurality of button are inlayed respectively and are fixed on the lateral wall of this protection casing, this display, a plurality of feedback lamp and a plurality of button respectively with control mainboard electric connection, one side of runing rest articulates on the outer wall of this protection casing.
The opening side in pressure measurement railway carriage or compartment room be equipped with the guard gate, the top of guard gate and the bottom symmetry level of guard gate are equipped with the restriction track, and the restriction track adopts L style of calligraphy platelike structure, restriction orbital bonding on the outer wall in pressure measurement railway carriage or compartment room, the guard gate suit is in the restriction track, the top of guard gate and the bottom of guard gate bond respectively has the pulley, this pulley suit is in the restriction track.
The quantity of guard gate adopt two, two guard gates are equallyd divide and do not overlap on the restriction track, it has the observation window to bond on the guard gate, the plate structure that the observation window adopted transparent glass to make, the corresponding observation tank of having seted up of guard gate, this observation tank sets up the opposite side to the guard gate along one side of guard gate, this observation tank cover is on the observation window, the appearance of observation window is identical with the interior shape of this observation tank, one side of observation window is equipped with vertical push-and-pull handle, push-and-pull handle adopts n style of calligraphy rod-like structure, push-and-pull handle bonds on the lateral wall of guard gate.
The pressure measuring table bodies are evenly placed in the pressure measuring compartment, the side wall of each pressure measuring table body is provided with an object placing groove, and the object placing groove is located in the middle of each pressure measuring table body.
The utility model has the advantages that: first, the utility model discloses a pressure measurement railway carriage or compartment room, one side in pressure measurement railway carriage or compartment room be equipped with hydraulic pump and pneumatic pump, the opposite side in pressure measurement railway carriage or compartment room is equipped with control panel, pneumatic pump and hydraulic pump are equallyd divide and do not bond on the outer wall in pressure measurement railway carriage or compartment room, be equipped with a plurality of pressure measurement table body in the pressure measurement railway carriage or compartment room, the top surface of pressure measurement table body bonds and has the pressure measurement support, one side of pressure measurement support is equipped with the input tube, the one end of input tube is equipped with the input ring flange, pneumatic pump and hydraulic pump all are linked together with the input ring flange through the input tube, the opposite side of pressure measurement support is equipped with the output tube, one side of output tube is equipped with the output ring flange, the output tube is linked together with the output ring flange, the output tube, input ring flange and input tube are fixed at the pressure measurement The input ends of the pressure sensors are connected, and the pressure measurement requirement on the valve box can be completed by controlling the hydraulic pump or the pneumatic pump to pressurize the interior of the valve box, so that the installation process of a detector is simplified, and the detection is convenient for the detector; secondly, the utility model discloses a hydraulic pressure solenoid valve, atmospheric pressure solenoid valve and output solenoid valve respectively with control panel electric connection, thereby open or close through control panel control hydraulic pressure solenoid valve, atmospheric pressure solenoid valve or output solenoid valve, and through pressure measurement probe and control panel electric connection, thereby be convenient for measure the pressure of valve box, and respectively with control panel electric connection through hydraulic pump and pneumatic pump, be convenient for control hydraulic pump and pneumatic pump's start-up or closing through control panel, make the detection personnel through operating control panel to the utility model control; thirdly, the observation camera is arranged to facilitate the collection of the conditions in the pressure measuring carriage room, and the observation display screen is arranged to enable an operator to observe the conditions in the pressure measuring carriage room through the observation display screen while operating the control panel, thereby further simplifying the operation of the operator; additionally, the utility model discloses a guard gate and pressure measurement railway carriage or compartment room that are equipped with for the testing process of valve body is in the confined environment, thereby improves the security that detects, and through observation window and the push-and-pull handle that is equipped with, the guard gate of being convenient for is opened or is closed and through observing the condition in the pressure measurement railway carriage or compartment room, and sets up on the lateral wall through the pressure measurement table body and put the thing groove, thereby is convenient for accomodate article such as mounting tool, makes the utility model discloses have fine social and economic benefits, be the product of easily using widely.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of the middle pressure measuring chamber of the present invention.
Fig. 3 is a schematic structural view of the pressure measuring table of the present invention.
Fig. 4 is a diagram of a pressure measuring system of the pressure measuring table of the present invention.
Fig. 5 is an assembly schematic diagram of the input pipe and the input flange of the present invention.
Fig. 6 is an assembly diagram of the output pipe and the output flange of the present invention.
Detailed Description
As shown in fig. 1, 2, 3, 4, 5, and 6, a valve box pressure measuring device includes a pressure measuring chamber 1, one side of the pressure measuring chamber 1 is provided with a hydraulic pump 2 and a pneumatic pump 3, the other side of the pressure measuring chamber 1 is provided with a control panel 4, the pneumatic pump 3, and the hydraulic pump 2 are respectively bonded to the outer wall of the pressure measuring chamber 1, a plurality of pressure measuring table bodies 5 are disposed in the pressure measuring chamber 1, a pressure measuring support 6 is bonded to the top surface of the pressure measuring table bodies 5, an input pipe 7 is disposed on one side of the pressure measuring support 6, an input flange 8 is disposed at one end of the input pipe 7, the pneumatic pump 3 and the hydraulic pump 2 are both communicated with the input flange 8 through the input pipe 7, an output pipe 9 is disposed on the other side of the pressure measuring support 6, an output flange 10 is disposed on one side of the output pipe 9, the, The input flange plate 8 and the input pipe 7 are respectively fixed on the pressure measuring support 6 through screws, the valve box to be subjected to pressure measurement is placed on the pressure measuring support 6, the two ends of the valve box to be subjected to pressure measurement are respectively connected with the output end of the input flange plate 8 and the input end of the output flange plate 10 through connecting pieces such as pipelines, the pressure of the valve box is increased through controlling the hydraulic pump 2 or the pneumatic pump 3, and the requirement of carrying out pressure measurement on the valve box can be met.
One side of the input pipe 7 is respectively provided with a hydraulic electromagnetic valve 11 and a pneumatic electromagnetic valve 12, the hydraulic electromagnetic valve 11 and the pneumatic electromagnetic valve 12 are respectively adhered and fixed on the pressure measuring table body 5, the output ends of the hydraulic electromagnetic valve 11 and the pneumatic electromagnetic valve 12 are respectively communicated with the input end of the input pipe 7 through pipelines, the input end of the hydraulic electromagnetic valve 11 is communicated with the hydraulic pump 2 through a pipeline, the input end of the pneumatic electromagnetic valve 12 is communicated with the pneumatic pump 3 through a pipeline, one side of the output pipe 9 is provided with an output electromagnetic valve 13, the output electromagnetic valve 13 is adhered and fixed on the pressure measuring table body 5, the input end of the output electromagnetic valve 13 is communicated with the output end of the output pipe 9, the hydraulic electromagnetic valve 11, the pneumatic electromagnetic valve 12 and the output electromagnetic valve 13 are respectively and electrically connected with the control panel 4, so that the hydraulic electromagnetic valve 11, thereby facilitating the pressure measurement of the valve box; the pressure measuring bracket 6 is characterized in that a sleeve hole is formed in the side wall of the pressure measuring bracket 6, the sleeve hole is sleeved on one side of the input flange 8 or the output flange 10, the aperture of the sleeve hole is matched with the outer diameter of one side of the input flange 8 or the output flange 10, the other side of the input flange 8 or the output flange 10 is in contact with the inner wall of the pressure measuring bracket 6, the input flange 8 and the output flange 10 are fixed on two sides of the pressure measuring bracket 6 conveniently, a pressure measuring probe 14 is arranged in the output flange 10, the pressure measuring probe 14 is fixedly bonded on the inner wall of the output flange 10, and the pressure measuring probe 14 is electrically connected with the control panel 4, so that the pressure of.
An observation camera 15 is arranged on one side of the pressure measuring table body 5, the observation camera 15 is fixed on the top of the inner wall of the pressure measuring chamber 1 through a screw, so that the condition in the pressure measuring chamber 1 can be conveniently collected through the observation camera 15, an observation display screen 16 is arranged on the outer side of the control panel 4, so that an operator can observe the condition in the pressure measuring chamber 1 through the observation display screen while operating the control panel 4, a rotary support frame 17 is arranged below the observation display screen 16, the observation display screen 16 is hinged and fixed on the control panel 4 through the rotary support frame 17, so that the position of the observation display screen 16 relative to the rotary support frame 17 can be conveniently adjusted, the observation display screen 16 and the observation camera 15 are respectively and electrically connected with the control panel 4, namely, the observation camera 15 feeds collected camera information back to the control panel 5 for recording, the control panel 5 displays the camera information through the observation display screen 16, thereby being convenient for operating workers to operate.
The hydraulic pump 2 and the pneumatic pump 3 are respectively electrically connected with a control panel 4, the control panel 4 is convenient for controlling the start or the close of the hydraulic pump 2 and the pneumatic pump 3, the control panel 4 comprises a protective shell, a display, a plurality of feedback lamps, a plurality of buttons and a control mainboard, the control mainboard is embedded and fixed in the protective shell, the display, the plurality of feedback lamps and the plurality of buttons are respectively embedded and fixed on the side wall of the protective shell, the display, the plurality of feedback lamps and the plurality of buttons are respectively electrically connected with the control mainboard, the control mainboard adopts a printed circuit board, the control mainboard is embedded with a control chip and a storage hard disk, the control chip adopts any one of a singlechip, a DSP and an ARM, the control chip is internally provided with a corresponding control program, the storage hard disk is convenient for storing information, and the display is used for displaying the control information of the control panel 4, a plurality of button is used for carrying control command to control panel 4, and a plurality of feedback lamp is used for feeding back operating condition, and the feedback lamp commonly used is red, yellow and green, and red feedback lamp represents the job stop promptly, and yellow feedback lamp represents that the work stops, and green feedback lamp represents that the work is gone on to be convenient for the operation workman controls through operation control panel 4 the utility model discloses, one side of runing rest 17 articulates on this protection casing's outer wall.
The pressure measuring chamber is characterized in that a protective door 19 is arranged on the opening side of the pressure measuring chamber 1, limiting rails 20 are symmetrically and horizontally arranged at the top end of the protective door 19 and the bottom end of the protective door 19, the limiting rails 20 are of L-shaped plate structures, the limiting rails 20 are bonded on the outer wall of the pressure measuring chamber 1, the protective door 19 is sleeved in the limiting rails 20, pulleys are respectively bonded at the top end of the protective door 19 and the bottom end of the protective door 19, and the pulleys are sleeved in the limiting rails 20; the number of the protective doors 19 is two, the two protective doors 19 are respectively sleeved on the limiting track 20, the protective doors 19 are bonded with observation windows 21, the observation windows 21 are of a plate-shaped structure made of transparent glass, the protective doors 19 are correspondingly provided with observation grooves, the observation grooves are formed along one sides of the protective doors 19 to the other sides of the protective doors 19 and are sleeved on the observation windows 21, the appearance of the observation windows 21 is matched with the inner shape of the observation grooves, so that the conditions in the pressure measurement compartment 1 can be observed through the observation windows 21, one sides of the observation windows 21 are provided with vertical push-pull handles 22, the push-pull handles 22 are of n-shaped rod-shaped structures, and the push-pull handles 22 are bonded on the side walls of the protective doors 19, so that the protective doors 19 can be opened or closed conveniently; a plurality of pressure measurement table body 5 evenly place in pressure measurement railway carriage or compartment room 1, set up on the lateral wall of pressure measurement table body 5 and put thing groove 23, put thing groove 23 and be located the middle part of pressure measurement table body 5 to be convenient for accomodate article such as mounting tool.
The use method of the product is as follows: as shown in fig. 1, 2, 3, 4, 5, and 6, first, a plurality of valve boxes to be tested are respectively placed on the pressure measuring supports 6 of a plurality of pressure measuring table bodies 5, and the two ends of the valve boxes to be tested are respectively connected with the output end of the input flange 8 and the input end of the output flange 10 by using connecting pieces such as pipes; then, the detection personnel quit the pressure measuring carriage room 1, the hydraulic pump 2, the hydraulic electromagnetic valve 11 and the output electromagnetic valve 13 are started through operating the control panel 4, so that the valve box is in a detection stage, and meanwhile, the operation personnel operate the control panel 4 according to the feedback information of the pressure measuring probe 14 and the observation camera 15, so that the detection requirement is met; then, according to the requirements of the process, a detection worker starts the pneumatic pump 3, the pneumatic solenoid valve 12 and the output solenoid valve 13 by operating the control panel 4, so that the liquid in the valve box is discharged, and the detection process is completed; in addition, the input of hydraulic pump 2 is linked together through pipeline and hydraulic system, and the input of pneumatic pump 3 is linked together through pipeline and gas supply system, and the output of output solenoid valve 13 is linked together through pipeline and collecting system to convenient to use the utility model discloses.
The utility model provides an easy operation detects the convenience, is convenient for make a video recording, conveniently observes, and detection effect is high, is convenient for accomodate article, safe and reliable's valve box pressure measurement device makes the utility model discloses extensive market prospect has.
Claims (8)
1. The utility model provides a valve box pressure measurement device, includes pressure measurement railway carriage or compartment room (1), its characterized in that: one side of the pressure measuring compartment room (1) is provided with a hydraulic pump (2) and a pneumatic pump (3), the other side of the pressure measuring compartment room (1) is provided with a control panel (4), the pneumatic pump (3) and the hydraulic pump (2) are uniformly adhered to the outer wall of the pressure measuring compartment room (1), a plurality of pressure measuring table bodies (5) are arranged in the pressure measuring compartment room (1), the top surface of each pressure measuring table body (5) is adhered with a pressure measuring support (6), one side of each pressure measuring support (6) is provided with an input pipe (7), one end of each input pipe (7) is provided with an input flange (8), the pneumatic pump (3) and the hydraulic pump (2) are communicated with the input flange (8) through the input pipes (7), the other side of each pressure measuring support (6) is provided with an output pipe (9), one side of each output pipe (9) is provided with an output flange (10), the, the output flange (10), the output pipe (9), the input flange (8) and the input pipe (7) are respectively fixed on the pressure measuring bracket (6) through screws.
2. The valve manifold pressure measuring device according to claim 1, wherein: one side of the input pipe (7) is respectively provided with a hydraulic electromagnetic valve (11) and a pneumatic electromagnetic valve (12), the hydraulic electromagnetic valve (11) and the pneumatic electromagnetic valve (12) are respectively bonded and fixed on the pressure measuring table body (5), the output ends of the hydraulic electromagnetic valve (11) and the pneumatic electromagnetic valve (12) are respectively communicated with the input end of the input pipe (7) through pipelines, the input end of the hydraulic electromagnetic valve (11) is communicated with the hydraulic pump (2) through a pipeline, the input end of the pneumatic electromagnetic valve (12) is communicated with the pneumatic pump (3) through a pipeline, one side of output tube (9) be equipped with output solenoid valve (13), output solenoid valve (13) bonding is fixed on pressure measurement table body (5), the input of output solenoid valve (13) is linked together with the output of output tube (9), hydraulic pressure solenoid valve (11), atmospheric pressure solenoid valve (12) and output solenoid valve (13) respectively with control panel (4) electric connection.
3. The valve manifold pressure measuring device according to claim 1, wherein: the pressure measuring bracket is characterized in that a sleeve hole is formed in the side wall of the pressure measuring bracket (6), the sleeve hole is sleeved on one side of the input flange plate (8) or the output flange plate (10), the aperture of the sleeve hole is matched with the outer diameter of one side of the input flange plate (8) or the output flange plate (10), the other side of the input flange plate (8) or the output flange plate (10) is in contact with the inner wall of the pressure measuring bracket (6), a pressure measuring probe (14) is arranged in the output flange plate (10), the pressure measuring probe (14) is fixedly bonded on the inner wall of the output flange plate (10), and the pressure measuring probe (14) is electrically connected with the control panel (4.
4. The valve manifold pressure measuring device according to claim 1, wherein: one side of pressure measurement table body (5) be equipped with and observe camera (15), observe camera (15) and pass through the fix with screw at the inner wall top in pressure measurement railway carriage or compartment room (1), the outside of control panel (4) is equipped with observes display screen (16), the below of observing display screen (16) is equipped with runing rest (17), observe display screen (16) and articulate through runing rest (17) and fix on control panel (4), observe display screen (16) and observe camera (15) respectively with control panel (4) electric connection.
5. The valve manifold pressure measuring device according to claim 4, wherein: hydraulic pump (2) and pneumatic pump (3) respectively with control panel (4) electric connection, control panel (4) are including protecting the casing, the display, a plurality of feedback lamp, a plurality of button and control mainboard, this control mainboard is inlayed and is fixed in this protective housing, this display, a plurality of feedback lamp and a plurality of button are inlayed respectively and are fixed on the lateral wall of this protection casing, this display, a plurality of feedback lamp and a plurality of button respectively with control mainboard electric connection, one side of runing rest (17) articulates on the outer wall of this protection casing.
6. The valve manifold pressure measuring device according to claim 1, wherein: the opening side of pressure measurement railway carriage or compartment room (1) be equipped with guard gate (19), the top of guard gate (19) and the bottom symmetry level of guard gate (19) are equipped with restriction track (20), restriction track (20) adopt L style of calligraphy platelike structure, the bonding of restriction track (20) is on the outer wall of pressure measurement railway carriage or compartment (1), guard gate (19) suit is in restriction track (20), the top of guard gate (19) and the bottom of guard gate (19) bond respectively and have the pulley, this pulley suit is in restriction track (20).
7. The valve box pressure measuring device according to claim 6, wherein: the quantity of guard gate (19) adopt two, two guard gate (19) are equallyd divide and do not overlap on restriction track (20), it has observation window (21) to bond on guard gate (19), plate structure that observation window (21) adopted transparent glass to make, the observation groove has correspondingly been seted up in guard gate (19), this observation groove sets up the opposite side to guard gate (19) along one side of guard gate (19), this observation groove cover is on observation window (21), the appearance of observation window (21) is identical with the interior shape of this observation groove, one side of observation window (21) is equipped with vertical push-and-pull handle (22), push-and-pull handle (22) adopt n style of calligraphy rod-shaped structure, push-and-pull handle (22) bond on the lateral wall of guard gate (19).
8. The valve manifold pressure measuring device according to claim 1, wherein: a plurality of pressure measuring table bodies (5) are evenly placed in the pressure measuring compartment (1), the side wall of each pressure measuring table body (5) is provided with an article placing groove (23), and the article placing grooves (23) are located in the middle of the pressure measuring table bodies (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021875660.1U CN212722416U (en) | 2020-09-01 | 2020-09-01 | Valve box pressure measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021875660.1U CN212722416U (en) | 2020-09-01 | 2020-09-01 | Valve box pressure measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212722416U true CN212722416U (en) | 2021-03-16 |
Family
ID=74925039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021875660.1U Active CN212722416U (en) | 2020-09-01 | 2020-09-01 | Valve box pressure measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212722416U (en) |
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2020
- 2020-09-01 CN CN202021875660.1U patent/CN212722416U/en active Active
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Address after: 475300 south of the west section of hanghai Road, industrial cluster area, Lankao County, Kaifeng City, Henan Province Patentee after: Fuerdun Fire Technology Co.,Ltd. Address before: 475300 south of the west section of hanghai Road, industrial cluster area, Lankao County, Kaifeng City, Henan Province Patentee before: HENAN FURD FIRE CONTROL TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 475300 south of the west section of hanghai Road, industrial cluster area, Lankao County, Kaifeng City, Henan Province Patentee after: HENAN FURD FIRE CONTROL TECHNOLOGY Co.,Ltd. Address before: 475300 south of the west section of hanghai Road, industrial cluster area, Lankao County, Kaifeng City, Henan Province Patentee before: Fuerdun Fire Technology Co.,Ltd. |