CN210638895U - Device for measuring valve core rotation angle - Google Patents
Device for measuring valve core rotation angle Download PDFInfo
- Publication number
- CN210638895U CN210638895U CN201921452061.6U CN201921452061U CN210638895U CN 210638895 U CN210638895 U CN 210638895U CN 201921452061 U CN201921452061 U CN 201921452061U CN 210638895 U CN210638895 U CN 210638895U
- Authority
- CN
- China
- Prior art keywords
- measuring
- valve
- rotation angle
- valve core
- handle rod
- 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
Links
Images
Landscapes
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The utility model discloses a device for measuring case corner, include: a base; a first retainer disposed on the base, a valve body positioned on the first retainer; the handle rod is fixed with the end part of the valve core, a window is formed in the handle rod, and a pointer is formed on the window; the driving mechanism is arranged on the first holding body and is used for driving the handle rod to rotate; a dial provided on the first holder; wherein: the pointer is used for indicating scale values on the dial. The utility model discloses a measure the corner of handle pole and obtain the corner of case, have certain length because of the handle pole for the corner of handle pole is measured more easily, and then makes the precision of the corner of the case that obtains higher.
Description
Technical Field
The utility model relates to an equipment technical test technical field especially relates to a device for measuring case corner.
Background
Before shipping the valve or when repairing the valve, the relationship between the rotation angle of the valve element and the opening/closing state and the opening degree of the valve is usually verified, for example, when the valve is in the closed state, the maximum rotation angle of the valve element needs to be verified.
In the prior art, the rotation angle of the valve core is measured manually by a simple screwing tool, and the method has the following defects:
1. the manual tool cannot accurately rotate the valve core to a required angle.
2. The valve core cannot be stably maintained at the rotated angle.
3. The verification efficiency is low.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned technical problem that exists among the prior art, the embodiment of the utility model provides a device for measuring case corner.
For solving the technical problem, the embodiment of the utility model adopts the following technical scheme:
an apparatus for measuring a rotation angle of a valve element, the valve element being installed in a valve body of a valve with an end portion of the valve element protruding from the valve body, the apparatus comprising:
a base;
a first retainer disposed on the base, the valve body being positioned on the first retainer;
the handle rod is fixed with the end part of the valve core, a window is formed in the handle rod, and a pointer is formed on the window;
the driving mechanism is arranged on the first holding body and is used for driving the handle rod to rotate;
a dial provided on the first holder; wherein:
the pointer is used for indicating scale values on the dial.
Preferably, the device for measuring the rotation angle of the valve element further comprises a second holding body, the second holding body is fixed on the first holding body, and the dial is fixed on the second holding body.
Preferably, the drive mechanism comprises:
a servo motor fixed to the second holder;
a gear installed on an output shaft of the servo motor;
a slider provided to be slidable on the second holder, the slider having a rack formed thereon, the gear being engaged with the rack; wherein:
the servo motor drives the sliding block to move through the meshing of the gear and the rack;
the sliding block drives the handle rod to rotate through movement.
Preferably, the handle rod is provided with an oblong hole, and the oblong hole extends along the length direction of the handle rod;
a pin shaft is arranged on the sliding block and penetrates through the long round hole; wherein:
the diameter of the pin shaft is consistent with the width of the long round hole.
Preferably, a displacement sensor is further disposed on the second holding body, and the displacement sensor is configured to detect a displacement of the slider.
Preferably, two stoppers are arranged on the second holding body at intervals; the limiting stopper is used for limiting the moving stroke of the sliding block.
Preferably, the handle rod is provided with a guide groove, and a pressing block is arranged in the guide groove; wherein:
the end part of the valve core penetrates through the guide groove and is positioned between the pressing block and the groove wall at the bottom of the guide groove;
the section of the end part of the valve core is in a multi-deformation shape, the pressing block and the groove wall enclose a polygon matched with the section of the end part of the valve core, and the pressing block is locked through a knob so that the end part of the valve core is clamped between the pressing block and the groove wall and the valve core synchronously rotates along with the handle rod.
Preferably, a handle is arranged on the handle rod.
Compared with the prior art, the utility model discloses a device for measuring case corner's beneficial effect is:
1. the utility model discloses a measure the corner of handle pole and obtain the corner of case, have certain length because of the handle pole for the corner of handle pole is measured more easily, and then makes the precision of the corner of the case that obtains higher.
2. The scale is indicated on the dial by the pointer, and the turning angle can be conveniently obtained by reading the scale value.
3. The handle rod is driven to rotate by the driving mechanism, so that the manual work is liberated.
Drawings
Fig. 1 is a schematic perspective view of a device for measuring a valve element rotation angle according to an embodiment of the present invention.
Fig. 2 is a schematic plan structure view of a device for measuring a rotation angle of a valve element according to an embodiment of the present invention.
Fig. 3 is an enlarged view of a portion a of fig. 1.
Fig. 4 is an enlarged view of a portion B of fig. 1.
In the figure:
10-a base; 20-a first retainer; 30-a second holder; 40-a handle; 41-a window; 42-a pointer; 43-oblong hole; 44-a guide groove; 45-briquetting; 46-a handle; 47-knob; 50-dial scale; 60-a drive mechanism; 61-a servo motor; 62-gear; 63-a rack; 64-a slide block; 641-a pin; 70-a stopper; 80-a displacement sensor; 100-a valve; 101-valve core.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1 to 4, an embodiment of the present invention discloses a device for measuring a rotation angle of a valve core 101, the device including: a base 10, a first holding body 20, a second holding body 30, a stem 40, a drive mechanism 60, and a dial 50.
The first holding body 20 is plate-shaped, and the first holding body 20 is fixed on the base 10 and is perpendicular to the base 10; the second holder 30 is also plate-shaped, and the second holder 30 is vertically fixed to the first holder 20 and positioned on one side of the first holder 20.
The valve body of the valve 100 having the valve body 101, from which the end of the valve body 101 protrudes, is positioned on the first holding body 20 on the same side as the second holding body 30 by means of positioning pins, fasteners, and the like.
The stem 40 is an elongated member, and the stem 40 is fixed to an end of the valve body 101 such that the stem 40 rotates the valve body 101 by rotating in a vertical plane.
A dial 50 is fixed to the second holding body 30, the dial 50 displays a scale of a certain rotation angle range, the handle 40 has a window 41 at a position opposite to the scale of the dial 50, and a pointer 42 is provided at the window 41, the pointer 42 indicating the scale on the dial 50, so that the angle of rotation of the handle 40 can be obtained by the scale indicated on the dial 50 by the pointer 42.
The driving mechanism 60 is fixed to the second holding body 30, and the driving mechanism 60 rotates the lever 40 as a power for rotating the lever 40.
The advantages of the above embodiment are:
1. the utility model discloses a measure the corner of handle pole 40 and obtain case 101's corner, have certain length because of handle pole 40 for the corner of handle pole 40 is measured more easily, and then makes the precision of the case 101's that obtains the corner higher.
2. The scale is indicated on the scale disc 50 by means of the pointer 42, and the turning angle can be easily obtained by reading the scale value.
3. The handle 40 is driven to rotate by the driving mechanism 60, thereby releasing the manual work.
In a preferred embodiment of the present invention, the driving mechanism 60 includes: a servo motor 61, a gear 62 and a slider 64. In the present embodiment, the servo motor 61 is mounted on the bottom of the second holding body 30, the gear 62 is mounted on the output shaft of the servo motor 61, and the slide block 64 is slidable on the second holding body 30, specifically, the slide block 64 is slidable in the rotational direction of the stem 40 by providing a slide rail between the slide block 64 and the second holding body 30. In this embodiment, a rack 63 is formed at the bottom of the slider 64, and the rack 63 is engaged with a gear 62 installed on the output shaft, so that the servo motor 61 rotates the gear 62, the gear 62 slides the slider 64 by engaging with the rack 63, and the slider 64 is used for driving the rotation of the handle 40.
The advantages of the above embodiment are:
the servo motor 61, under the control of the electronic control module, is able to drive the slide 64 precisely so as to produce a precise displacement of the slide 64 and thus a precise rotation of the stem 40.
In a preferred embodiment of the present invention, as shown in fig. 4, an elongated hole 43 is formed on the handle 40, the elongated hole 43 extends along the length direction of the handle 40, a pin 641 is disposed on the slider 64, and the pin 641 penetrates through the elongated hole 43. In the present embodiment, the length of the oblong hole 43 is far greater than the diameter of the pin 641, and the width of the oblong hole 43 is substantially equal to the diameter of the pin 641. Thus, when the slider 64 slides, the pin 641 penetrates the oblong hole 43 to rotate the handle 40. In this embodiment, the sliding of the slider 64 can be converted into the rotation of the handle 40 by the engagement of the pin 641 and the oblong hole 43, which is ingenious in design.
In a preferred embodiment of the present invention, a displacement sensor 80 is further disposed on the second holding body 30, and the displacement sensor 80 is used for detecting the displacement of the slider 64. In the present embodiment, the detection value of the displacement sensor 80 can be obtained in real time by the control module, and the servo motor 61 can be controlled in real time by the control module to precisely rotate the handle 40 to the designated position. Further, the display module may display the detection value of the displacement sensor 80 or the rotation angle value of the handle 40 obtained by conversion based on the detection value.
In a preferred embodiment of the present invention, two stoppers 70 are spaced apart from each other on the second holding body 30; the stopper 70 serves to limit the moving stroke of the slider 64 to prevent the rotation angle of the lever 40 from exceeding the allowable rotation range.
In a preferred embodiment of the present invention, as shown in fig. 3, a guide groove 44 is formed on the handle 40, and a pressing block 45 is disposed in the guide groove 44; wherein: the end part of the valve core 101 penetrates through the guide groove 44 and is positioned between the pressing block 45 and the groove wall at the bottom of the guide groove 44; the section of the end part of the valve core 101 is in a multi-deformation shape, the pressing block 45 and the groove wall enclose a polygon matched with the section of the end part of the valve core 101, and the pressing block 45 is locked by the knob 47 so that the end part of the valve core 101 is clamped between the pressing block 45 and the groove wall to enable the valve core 101 to synchronously rotate along with the handle rod 40. Preferably, the handle 40 is provided with a handle 46, and the handle 40 is manually rotated by means of the handle 46.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the protection scope of the present invention is defined by the claims. Various modifications and equivalents of the invention can be made by those skilled in the art within the spirit and scope of the invention, and such modifications and equivalents should also be considered as falling within the scope of the invention.
Claims (8)
1. A device for measuring the rotation angle of a valve element, the valve element being installed in a valve body of a valve and an end portion of the valve element protruding from the valve body, the device for measuring the rotation angle of the valve element comprising:
a base;
a first retainer disposed on the base, the valve body being positioned on the first retainer;
the handle rod is fixed with the end part of the valve core, a window is formed in the handle rod, and a pointer is formed on the window;
the driving mechanism is arranged on the first holding body and is used for driving the handle rod to rotate;
a dial provided on the first holder; wherein:
the pointer is used for indicating scale values on the dial.
2. The device for measuring spool rotation according to claim 1, further comprising a second retainer fixed to the first retainer, the dial being fixed to the second retainer.
3. The apparatus for measuring a spool angle according to claim 2, wherein the drive mechanism comprises:
a servo motor fixed to the second holder;
a gear installed on an output shaft of the servo motor;
a slider provided to be slidable on the second holder, the slider having a rack formed thereon, the gear being engaged with the rack; wherein:
the servo motor drives the sliding block to move through the meshing of the gear and the rack;
the sliding block drives the handle rod to rotate through movement.
4. The device for measuring the rotation angle of the valve element according to claim 3, wherein the handle rod is provided with an oblong hole, and the oblong hole extends along the length direction of the handle rod;
a pin shaft is arranged on the sliding block and penetrates through the long round hole; wherein:
the diameter of the pin shaft is consistent with the width of the long round hole.
5. The device for measuring a spool rotation angle according to claim 3 or 4, characterized in that a displacement sensor for detecting displacement of the slider is further provided on the second holding body.
6. The device for measuring the rotation angle of the valve core according to claim 5, characterized in that two stoppers are arranged on the second holding body at intervals; the limiting stopper is used for limiting the moving stroke of the sliding block.
7. The device for measuring the rotation angle of the valve element according to claim 1, wherein the handle rod is provided with a guide groove, and a pressing block is arranged in the guide groove; wherein:
the end part of the valve core penetrates through the guide groove and is positioned between the pressing block and the groove wall at the bottom of the guide groove;
the section of the end part of the valve core is polygonal, the pressing block and the groove wall enclose a polygon matched with the section of the end part of the valve core, and the pressing block is locked by a knob so that the end part of the valve core is clamped between the pressing block and the groove wall to enable the valve core to synchronously rotate along with the handle rod.
8. The device for measuring the rotation angle of a valve element according to claim 1, wherein a handle is provided on the stem.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921452061.6U CN210638895U (en) | 2019-09-03 | 2019-09-03 | Device for measuring valve core rotation angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921452061.6U CN210638895U (en) | 2019-09-03 | 2019-09-03 | Device for measuring valve core rotation angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210638895U true CN210638895U (en) | 2020-05-29 |
Family
ID=70795010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921452061.6U Active CN210638895U (en) | 2019-09-03 | 2019-09-03 | Device for measuring valve core rotation angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210638895U (en) |
-
2019
- 2019-09-03 CN CN201921452061.6U patent/CN210638895U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210638895U (en) | Device for measuring valve core rotation angle | |
| CN112444384A (en) | Device for measuring valve core rotation angle | |
| CN105180781B (en) | A kind of chamfering measuring tool | |
| CN112556631B (en) | Detection apparatus for earth's surface deformation and crack | |
| CN106448415B (en) | Lathe tool geometric angle measurement experiment platform | |
| CN116735057A (en) | Torsional spring is with examining utensil frock | |
| CN102967247A (en) | Device and method for verifying verticality and parallelism of ball valve rod | |
| CN212843319U (en) | Height measuring device for real estate assessment | |
| CN205505894U (en) | Gear ring radial runout measures automatic correcting device | |
| CN210119271U (en) | Flow meter test frame | |
| CN210777417U (en) | Simple pendulum period measuring device | |
| CN210108922U (en) | Device for testing friction coefficient of pipe | |
| CN208894920U (en) | A kind of device for improving copper rod and flattening angle precision | |
| CN220690319U (en) | Electric and pneumatic torque wrench calibrating device | |
| CN109931843B (en) | Checking fixture | |
| CN219084359U (en) | Notebook computer rotating shaft testing device | |
| CN114322820B (en) | Fastener hole degree of depth detects frock | |
| CN112033256B (en) | Wall thickness measuring device | |
| CN219674960U (en) | Robot maintenance auxiliary device | |
| CN217953439U (en) | Reinforcing bar position measurement appearance calibrating device | |
| CN210220953U (en) | Flatness measuring instrument for building engineering | |
| CN214843177U (en) | Level detection device for architectural decoration | |
| CN217738088U (en) | Device capable of realizing accurate positioning adjustment | |
| CN218524159U (en) | Bridge pier shaft inclination angle measuring device | |
| CN219641912U (en) | Probe supporting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |