CN213481700U - Valve fine adjustment detection device - Google Patents
Valve fine adjustment detection device Download PDFInfo
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- CN213481700U CN213481700U CN202022655151.4U CN202022655151U CN213481700U CN 213481700 U CN213481700 U CN 213481700U CN 202022655151 U CN202022655151 U CN 202022655151U CN 213481700 U CN213481700 U CN 213481700U
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Abstract
The utility model provides a valve fine-tuning detection device, including workstation, first mounting bracket, second mounting bracket, valve frock, valve hold-down mechanism and case aligning gear. The valve fixture can realize the reliable fixation of the valve, and the valve pressing mechanism can tightly support the valve at the upper end of the valve, so that the valve is prevented from being separated from the valve fixture in the fine adjustment process; an air inlet connecting pipe used for being connected with an air inlet of the valve and an air outlet connecting pipe used for being connected with an air outlet of the valve are arranged on a measuring cylinder of the valve tool, and the adjusting effect of the valve can be calculated by detecting the air flow in the air inlet connecting pipe and the air outlet connecting pipe; if the air flow in the air inlet connecting pipe and the air outlet connecting pipe does not reach the set range, the correcting ejector rod of the valve core correcting mechanism moves to press the valve core, so that the valve core moves relative to the valve body until the air flow in the air inlet connecting pipe and the air outlet connecting pipe reaches the set range; therefore, the fine tuning and detecting functions are realized on the same equipment, and the fine tuning and detecting efficiency is improved.
Description
Technical Field
The utility model relates to a part check out test set field especially relates to a valve fine tuning detection device.
Background
The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves generally include a valve body and a valve core that is in interference fit with the valve body, and the movement of the valve core is used to achieve basic functions such as direction control, pressure control or flow control. In the valve production process, after the valve core and the valve body are assembled in an interference fit mode, the installation position of the valve core needs to be accurately adjusted, and the air tightness of the valve needs to be detected. The existing fine adjustment mechanism is unreliable in fixing the valve, and the valve or the fine adjustment mechanism is damaged due to the risk of lateral inclination of the valve in the fine adjustment process; the fine tuning and the detection are separated, the fine tuning mechanism and the detection mechanism are needed to be used for carrying out respectively, the working efficiency is low, and the equipment cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects in the prior art, and provides a valve fine adjustment detection device which realizes the fine adjustment function and the detection function on one device, reduces the device cost and improves the working efficiency; in use, the valve is effectively clamped, and the risk of heeling of the valve is avoided.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a valve fine adjustment detection device comprises a workbench, a first mounting frame, a second mounting frame, a valve tool, a valve pressing mechanism and a valve core correction mechanism, wherein the first mounting frame is connected above the workbench, and the second mounting frame is connected below the workbench; the valve tool is arranged on the workbench and comprises a measuring cylinder arranged along a first direction, the measuring cylinder is used for loading a valve to be precisely adjusted and detected, and two ends of the measuring cylinder are opened; the valve pressing mechanism is arranged on the first mounting frame and is positioned above the valve tool, the valve pressing mechanism comprises a pressing head, and the pressing head is used for pressing the valve; the valve core correcting mechanism is arranged on the second mounting frame and located below the valve tool, the valve core correcting mechanism comprises a correcting ejector rod arranged in the first direction, and the correcting ejector rod is used for upwards extending into the measuring cylinder and abutting against the valve core of the valve to correct the assembling relation between the valve core of the valve and the valve body.
Preferably, the valve tool comprises a first bottom plate, a second bottom plate, a first guide rail, a clamping plate, a first driving device and a second driving device; the measuring cylinder is arranged on the first bottom plate along the first direction; the first guide rail is arranged on the first bottom plate along a second direction and is positioned at two sides of the measuring cylinder, and the second bottom plate is arranged on the first guide rail in a sliding manner along the second direction; the first driving device is arranged on the second bottom plate along the first direction and is positioned on two sides of the measuring cylinder, and the clamping plate is arranged at the driving end of the first driving device along the third direction; the second driving device is arranged on the first bottom plate along the second direction, and a driving end of the second driving device is connected with the second bottom plate; the first direction, the second direction and the third direction are pairwise perpendicular.
Preferably, the measuring cylinder is provided with an air inlet connecting pipe used for connecting an air inlet of the valve and an air outlet connecting pipe used for connecting an air outlet of the valve.
Preferably, the middle part of the clamping plate is provided with a bayonet matched with the thin neck structure of the valve.
Preferably, the second bottom plate is U-shaped, the measuring cylinder is located inside the second bottom plate, two side portions of the second bottom plate are slidably connected with the first guide rail, and a driving end of the second driving device is connected with a saddle portion of the second bottom plate.
Preferably, a through hole is formed in the middle of the workbench and used for the correction ejector rod to penetrate through.
Preferably, the valve tool further comprises a second guide rail and a third driving device, the second guide rail is arranged on the workbench along the second direction, and the second guide rail is located on two sides of the through hole; the first bottom plate can be arranged on the second guide rail in a sliding mode along the second direction, the third driving device is arranged on the workbench along the second direction, and the driving end of the third driving device is connected with the first bottom plate.
Preferably, the valve pressing mechanism further comprises a fourth driving device and a pressure head mounting plate, the fourth driving device is fixed on the first mounting frame along the first direction, the pressure head mounting plate is connected with a driving end of the fourth driving device, and the pressure head is arranged on the bottom side of the pressure head mounting plate.
Furthermore, the pressure head is of a stepped structure with a concave middle part and a convex periphery.
Preferably, the valve core correction mechanism further comprises a fifth driving device and a pressure sensor, the fifth driving device is arranged on the second mounting frame along the first direction, the correction ejector rod is connected with the driving end of the fifth driving device, and the pressure sensor is arranged at the connection position of the correction ejector rod and the driving end of the fifth driving device.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the valve fixture can realize the reliable fixation of the valve, and the valve pressing mechanism can tightly support the valve at the upper end of the valve, so that the valve is prevented from being separated from the valve fixture in the fine adjustment process;
2. an air inlet connecting pipe used for being connected with an air inlet of the valve and an air outlet connecting pipe used for being connected with an air outlet of the valve are arranged on the measuring cylinder, and the adjusting effect of the valve can be calculated by detecting the air flow in the air inlet connecting pipe and the air outlet connecting pipe; if the air flow in the air inlet connecting pipe and the air outlet connecting pipe does not reach the set range, the correcting ejector rod of the valve core correcting mechanism moves to press the valve core, so that the valve core moves relative to the valve body until the air flow in the air inlet connecting pipe and the air outlet connecting pipe reaches the set range; therefore, the fine tuning and detecting functions are realized on the same equipment, and the fine tuning and detecting efficiency is improved.
Drawings
Fig. 1 is a schematic view of a first three-dimensional structure of a valve fine adjustment detection device of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a schematic view of a second three-dimensional structure of the valve fine adjustment detection device of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at B;
fig. 5 is the schematic perspective view of a valve core calibration mechanism in the valve fine tuning detection device of the present invention.
In the figure, 110-workbench, 111-through hole, 120-first mounting frame, 130-second mounting frame; 200-a valve tool, 201-a first bottom plate, 202-a second bottom plate, 203-a first guide rail, 204-a second guide rail, 210-a measuring cylinder, 211-an air inlet connecting pipe, 212-an air outlet connecting pipe, 220-a first driving device, 230-a clamping plate, 231-a clamping opening, 240-a second driving device and 250-a third driving device; 300-valve hold-down mechanism, 310-fourth drive, 320-ram mounting plate, 330-ram; 400-valve core correction mechanism, 410-fifth driving device, 420-pressure sensor, 430-correction push rod; 500-a valve; x-third direction, Y-second direction, Z-first direction.
Detailed Description
In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.
Please refer to fig. 1 to 5 in combination, fig. 1 is a schematic view of a first three-dimensional structure of a valve fine adjustment detection device according to the present invention; FIG. 2 is an enlarged view of a portion of FIG. 1 at A; fig. 3 is a schematic view of a second three-dimensional structure of the valve fine adjustment detection device of the present invention; FIG. 4 is an enlarged view of a portion of FIG. 3 at B; fig. 5 is the schematic perspective view of a valve core calibration mechanism in the valve fine tuning detection device of the present invention.
The utility model discloses a valve fine adjustment detection device, which comprises a workbench 110, a first mounting bracket 120, a second mounting bracket 130, a valve tool 200, a valve pressing mechanism 300 and a valve core correction mechanism 400, wherein the middle part of the workbench 110 is provided with a through hole 111; the first mounting frame 120 is connected above the workbench 110, the second mounting frame 130 is connected below the workbench 110, the valve tool 200 is arranged on the workbench 110, the valve tool 200 comprises a measuring cylinder 210 arranged along the first direction Z, the measuring cylinder 210 is used for loading a valve 500 to be precisely adjusted and detected, and two ends of the measuring cylinder 210 are open; the valve pressing mechanism 300 is arranged on the first mounting frame 120 and located above the valve tool 200, the valve pressing mechanism 300 comprises a pressing head 330, and the pressing head 330 is used for pressing the valve 500; the valve core correcting mechanism 400 is arranged on the second mounting frame 130 and located below the valve tool 200, the valve core correcting mechanism 400 comprises a correcting ejector rod 430 arranged along the first direction Z, the correcting ejector rod 430 is used for extending upwards into the measuring cylinder 210 and abutting against the valve core of the valve 500, and the valve core of the valve 500 is corrected in an assembling relation with the valve body so that the valve core is in interference fit with the valve body; the through hole 111 in the middle of the table 110 is for the correction jack 430 to pass through. Specifically, the through hole 111 may have a rectangular, circular, or other reasonable structural design. Adopt the utility model discloses a structural design can realize valve fine tuning and detection function on an equipment, improves fine tuning and detection efficiency, saves equipment cost and occupation space.
It should be noted that the valve 500 to be precisely adjusted and detected is a shaft-shaped structure, and includes a valve body and a valve core, wherein a thin neck portion is disposed at the upper end of the valve body, and the valve core is disposed at the lower end of the interior of the valve body.
Referring to fig. 1 to 4, the valve assembly 200 includes a first base plate 201, a second base plate 202, a first guide rail 203, a measuring cylinder 210, a clamping plate 230, a first driving device 220, a second driving device 240, a second guide rail 204, and a third driving device 250; the second guide rail 204 is arranged on the workbench 110 along the second direction Y, and the second guide rail 204 is positioned at two sides of the through hole 111 of the workbench 110; the first base plate 201 is slidably disposed on the second guide rail 204 along the second direction Y, the third driving device 250 is disposed on the working table 110 along the second direction Y, and a driving end of the third driving device 250 is connected to the first base plate 201.
The measuring cylinder 210 is arranged on the first bottom plate 201 along the first direction Z, two ends of the measuring cylinder 210 are open, and an opening at the lower end of the measuring cylinder 210 penetrates through the first bottom plate 201; the first guide rail 203 is arranged on the first base plate 201 along the second direction Y and is located at two sides of the measuring cylinder 210, and the second base plate 202 is arranged on the first guide rail 203 in a manner of sliding along the second direction Y; the first driving device 220 is arranged on the second bottom plate 202 along the first direction Z and located at two sides of the measuring cylinder 210, the clamping plate 230 is arranged at the driving end of the first driving device 220 along the third direction X, and the middle part of the clamping plate 230 is provided with a bayonet 231 matched with the thin neck structure of the valve 500 to be measured; the second driving device 240 is disposed on the first base plate 201 along the second direction Y, and a driving end of the second driving device 240 is connected to the second base plate 202.
The measuring cylinder 210 is used for loading the valve 500, the thin neck at the upper end of the valve body extends out of the upper end opening of the measuring cylinder 210, the first driving device 220 can drive the clamping plate 230 to move to the position of the same height of the thin neck of the valve body along the first direction Z, and the second driving device 240 can drive the second bottom plate 202 to move along the second direction Y, so that all parts on the second bottom plate 202 are driven to move synchronously, the bayonet 231 in the middle of the clamping plate 230 is used for clamping the thin neck of the valve body, and the valve 500 is prevented from toppling or falling off in the fine adjustment or detection process; the third driving device 250 may drive the first bottom plate 201 to move along the second direction Y, so as to drive all components on the first bottom plate 201 to move synchronously, so as to move the valve tool 200 from the loading position to the working position, or from the working position to the unloading position (the unloading position is the same as the loading position), thereby facilitating loading and unloading of the valve. When the valve tool 200 is in the working position, the lower opening of the measuring cylinder 210 is located right above the through hole 111 of the table 110.
The first direction Z, the second direction Y and the third direction X are vertical to each other. Please refer to the state of the valve fine tuning detection device shown in fig. 1, the first direction Z of the present invention is the up-down direction of the valve fine tuning detection device, the second direction Y is the front-back direction of the valve fine tuning detection device, and the third direction X is the left-right direction of the valve fine tuning detection device.
Referring to fig. 3, the second driving device 240 and the third driving device 250 are both disposed behind the valve fine adjustment detecting device, so as to facilitate the assembly and disassembly of the valve 500.
Specifically, the second base plate 202 is U-shaped, the measuring cylinder 210 is located inside the second base plate 202, two sides of the second base plate 202 are slidably connected to the first guide rails 203, and the driving end of the second driving device 240 is connected to the saddle portion of the second base plate 202.
Referring to fig. 1 and 5 in combination, the valve core calibration mechanism 400 includes a fifth driving device 410, a calibration push rod 430, and a pressure sensor 420, the fifth driving device 410 is disposed on the second mounting frame 130 along the first direction Z, the calibration push rod 430 is connected to a driving end of the fifth driving device 410, and the pressure sensor 420 is disposed at a connection position of the calibration push rod 430 and the driving end of the fifth driving device 410. When the valve 500 is installed in the measuring cylinder 210 and located at a working position, the fifth driving device 410 can drive the correction push rod 430 to move upwards along the first direction Z, the correction push rod 430 upwards penetrates through the through hole 111 of the workbench 110, and extends into the valve 500 in the measuring cylinder 210 from the lower end opening of the measuring cylinder 210 to abut against the valve core, and the assembling relation between the valve core and the valve body is adjusted, so that the valve core and the valve body are in interference fit, and the functions of fine adjustment and correction of the valve core are realized. The pressure sensor 420 is used for detecting the pressure of the correction push rod 430 on the valve core, and the pressure is conveniently monitored.
Referring to fig. 1, the measuring cylinder 210 is provided with an inlet pipe 211 for connecting to an inlet of the valve and an outlet pipe 212 for connecting to an outlet of the valve. When the valve 500 is detected, the air inlet connecting pipe 211 is connected with the air inlet of the valve 500 in a sealing manner, the air outlet connecting pipe 212 is connected with the air outlet of the valve 500 in a sealing manner, and the adjusting effect of the valve 500 can be calculated by detecting the air flow in the air inlet connecting pipe 211 and the air outlet connecting pipe 212. If the air flow in the air inlet connecting pipe 211 and the air outlet connecting pipe 212 does not reach the set range, the valve core correction mechanism 400 continues to move the pressing valve core so that the valve core moves relative to the valve body until the air flow in the air inlet connecting pipe 211 and the air outlet connecting pipe 212 reaches the set range, and the requirement of fine adjustment of the valve is met.
The valve fine tuning (case is rectified) in-process, the case receives case aligning gear 400's pressure great, reciprocates in order to prevent valve 500, the utility model discloses top at workstation 110 sets up valve hold-down mechanism 300 to guarantee that valve 500 is reliably fixed. Referring to fig. 1, the valve pressing mechanism 300 includes a fourth driving device 310, a pressing head mounting plate 320 and a pressing head 330, the fourth driving device 310 is fixed on the first mounting frame 120 along the first direction Z, the pressing head mounting plate 320 is connected to a driving end of the fourth driving device 310, and the pressing head 330 is disposed at a bottom side of the pressing head mounting plate 320. The fourth driving device 310 can drive the ram mounting plate 320 and the ram 330 to move along the first direction Z, so as to compress or release the valve, thereby preventing the valve from falling off.
Further, the pressure head 330 is middle sunken, the convex notch cuttype structure of periphery, and the sunken structure in the middle of the pressure head 330 and the structure phase-match of valve body upper end, and when the pressure head 330 compressed tightly valve 500, the middle sunken position of pressure head 330 can effectively compress tightly the valve body upper end, and the peripheral protruding position of pressure head 330 can support tightly the valve body side, prevents to compress tightly in-process valve 500 and heels to each direction, guarantees safety.
In one embodiment, the first mounting frame 120 is a door-shaped frame, which includes a plurality of supporting pillars and a mounting plate, the supporting pillars are connected between the worktable 110 and the mounting plate, and the fourth driving device 310 is fixed on the mounting plate.
Specifically, the first driving device 220, the second driving device 240, the third driving device 250, and the fourth driving device 310 may be linear motors or air cylinders, and the fifth driving device 410 selects a servo electric cylinder capable of realizing precise control, so as to ensure that the valve tooling 200 moves in place.
The utility model discloses valve accurate adjustment detection device's of embodiment 1 work flow as follows:
s1: in an initial state, the valve tool 200 is in a charging position, an operator installs the valve 500 to be precisely adjusted and detected into the measuring cylinder 210, the air inlet connecting pipe 211 is connected with an air inlet of the valve 500, and the air outlet connecting pipe 212 is connected with an air outlet of the valve 500;
s2: the first driving device 220 drives the clamping plate 230 to move to the same height of the thin neck of the valve 500, and the second driving device 240 drives the second bottom plate 202 to approach towards the measuring cylinder 210 along the second direction Y, so that the bayonet 231 of the clamping plate 230 clamps the thin neck of the valve 500, and the valve 500 is reliably fixed;
s3: the third driving device 250 drives the first base plate 201 to move along the second direction Y, so that the valve tool 200 moves to the working position;
s4: the fourth driving device 310 drives the pressure head mounting plate 320 and the pressure head 330 to move downwards along the first direction Z, so that the pressure head 330 presses the upper end of the valve body;
s5: the fifth driving device 410 drives the correction mandril 430 to move upwards along the first direction Z, passes through the through hole 111 of the workbench 110 and extends into the valve body from the lower end opening of the measuring cylinder 210, so as to correct the assembly relation of the valve core and the valve body; meanwhile, the air flow in the air inlet connecting pipe 211 and the air outlet connecting pipe 212 is detected until the air flow in the air inlet connecting pipe 211 and the air outlet connecting pipe 212 reaches a set range, namely the requirement of fine adjustment of the valve is met;
s6: after fine adjustment and detection, the fifth driving device 410 drives the correction mandril 430 to return in the original way, the fourth driving device 310 drives the ram mounting plate 320 and the ram 330 to return in the original way, the third driving device 250 drives the valve tool 200 to reach the unloading position (i.e. to return to the loading position), the first driving device 220 and the second driving device 240 drive the clamping plate 230 to return to the initial position, the connection between the air inlet connecting pipe 211 and the air inlet of the valve 500 is disconnected, the connection between the air outlet connecting pipe 212 and the air outlet of the valve 500 is disconnected, and then the valve 500 is taken down from the measuring cylinder 210.
It should be noted that the above-mentioned work flow only lists one possible implementation manner of the present invention, and in other embodiments of the present invention, the specific operation steps can be reasonably adjusted according to actual situations.
In summary, the utility model provides a valve fine adjustment detection device, the valve fixture can realize the reliable fixation of the valve, the valve hold-down mechanism can tightly support the valve on the upper end of the valve, and the valve is prevented from separating from the valve fixture in the fine adjustment process; an air inlet connecting pipe used for being connected with an air inlet of the valve and an air outlet connecting pipe used for being connected with an air outlet of the valve are arranged on the measuring cylinder, and the adjusting effect of the valve can be calculated by detecting the air flow in the air inlet connecting pipe and the air outlet connecting pipe; if the air flow in the air inlet connecting pipe and the air outlet connecting pipe does not reach the set range, the correcting ejector rod of the valve core correcting mechanism moves to press the valve core, so that the valve core moves relative to the valve body until the air flow in the air inlet connecting pipe and the air outlet connecting pipe reaches the set range; therefore, the fine tuning and detecting functions are realized on the same equipment, and the fine tuning and detecting efficiency is improved.
The present invention has been described in relation to the above embodiments, which are only examples for implementing the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. On the contrary, all changes and modifications which do not depart from the spirit and scope of the present invention are deemed to fall within the scope of the present invention.
Claims (10)
1. The utility model provides a valve fine tuning detection device which characterized in that: the valve core correcting device comprises a workbench, a first mounting frame, a second mounting frame, a valve tool, a valve pressing mechanism and a valve core correcting mechanism, wherein the first mounting frame is connected above the workbench, and the second mounting frame is connected below the workbench; the valve tool is arranged on the workbench and comprises a measuring cylinder arranged along a first direction, the measuring cylinder is used for loading a valve to be precisely adjusted and detected, and two ends of the measuring cylinder are opened; the valve pressing mechanism is arranged on the first mounting frame and is positioned above the valve tool, the valve pressing mechanism comprises a pressing head, and the pressing head is used for pressing the valve; the valve core correcting mechanism is arranged on the second mounting frame and located below the valve tool, the valve core correcting mechanism comprises a correcting ejector rod arranged in the first direction, and the correcting ejector rod is used for upwards extending into the measuring cylinder and abutting against the valve core of the valve to correct the assembling relation between the valve core of the valve and the valve body.
2. The valve fine tuning detection device of claim 1, wherein: the valve tool comprises a first base plate, a second base plate, a first guide rail, a clamping plate, a first driving device and a second driving device; the measuring cylinder is arranged on the first bottom plate along the first direction; the first guide rail is arranged on the first bottom plate along a second direction and is positioned at two sides of the measuring cylinder, and the second bottom plate is arranged on the first guide rail in a sliding manner along the second direction; the first driving device is arranged on the second bottom plate along the first direction and is positioned on two sides of the measuring cylinder, and the clamping plate is arranged at the driving end of the first driving device along the third direction; the second driving device is arranged on the first bottom plate along the second direction, and a driving end of the second driving device is connected with the second bottom plate; the first direction, the second direction and the third direction are pairwise perpendicular.
3. The valve fine adjustment detecting device according to claim 1 or 2, wherein: and the measuring cylinder is provided with an air inlet connecting pipe used for connecting an air inlet of the valve and an air outlet connecting pipe used for connecting an air outlet of the valve.
4. The valve fine tuning detection device of claim 2, wherein: and a bayonet matched with the thin neck structure of the valve is arranged in the middle of the clamping plate.
5. The valve fine tuning detection device of claim 2, wherein: the second bottom plate is U-shaped, the measuring cylinder is positioned on the inner side of the second bottom plate, two side parts of the second bottom plate are connected with the first guide rail in a sliding mode, and the driving end of the second driving device is connected with a saddle part of the second bottom plate.
6. The valve fine tuning detection device of claim 2, wherein: the middle part of the workbench is provided with a through hole for the correction ejector rod to pass through.
7. The valve fine tuning detection device of claim 6, wherein: the valve tool further comprises a second guide rail and a third driving device, the second guide rail is arranged on the workbench along the second direction, and the second guide rail is positioned on two sides of the through hole; the first bottom plate can be arranged on the second guide rail in a sliding mode along the second direction, the third driving device is arranged on the workbench along the second direction, and the driving end of the third driving device is connected with the first bottom plate.
8. The valve fine tuning detection device of claim 2, wherein: the valve pressing mechanism further comprises a fourth driving device and a pressure head mounting plate, the fourth driving device is fixed on the first mounting frame along the first direction, the pressure head mounting plate is connected with the driving end of the fourth driving device, and the pressure head is arranged on the bottom side of the pressure head mounting plate.
9. The valve fine tuning detection device of claim 8, wherein: the pressure head is of a stepped structure with a concave middle part and a convex periphery.
10. The valve fine tuning detection device of claim 2, wherein: the valve core correction mechanism further comprises a fifth driving device and a pressure sensor, the fifth driving device is arranged on the second mounting frame along the first direction, the correction ejector rod is connected with the driving end of the fifth driving device, and the pressure sensor is arranged at the connecting position of the correction ejector rod and the driving end of the fifth driving device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022655151.4U CN213481700U (en) | 2020-11-17 | 2020-11-17 | Valve fine adjustment detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022655151.4U CN213481700U (en) | 2020-11-17 | 2020-11-17 | Valve fine adjustment detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213481700U true CN213481700U (en) | 2021-06-18 |
Family
ID=76355666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022655151.4U Active CN213481700U (en) | 2020-11-17 | 2020-11-17 | Valve fine adjustment detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213481700U (en) |
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2020
- 2020-11-17 CN CN202022655151.4U patent/CN213481700U/en active Active
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