CN216308949U - Use convenient valve surveying instrument - Google Patents
Use convenient valve surveying instrument Download PDFInfo
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- CN216308949U CN216308949U CN202122641997.7U CN202122641997U CN216308949U CN 216308949 U CN216308949 U CN 216308949U CN 202122641997 U CN202122641997 U CN 202122641997U CN 216308949 U CN216308949 U CN 216308949U
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- measuring head
- contact
- measuring
- valve
- measuring device
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Abstract
The utility model provides a valve surveying and mapping tool convenient to use, which can be used for measuring the inner diameter and the outer diameter of a valve revolving body, is convenient to use, and has a more accurate measuring result. The measuring device I comprises a sliding block, two contact arms, a contact wheel and a measuring head I, the measuring device II comprises a fixed block, the two contact arms, the contact wheel and a measuring head II, the sliding block, the measuring head I and the measuring head II are respectively in sliding connection with the central rod, the fixed block is fixed on the central rod, the measuring head I and the measuring head II are respectively used for abutting against the inner wall or the outer wall of a valve to be measured, one end of each contact arm is respectively connected with the contact wheel, the other end of each contact arm is connected with the sliding block or the fixed block, the two contact arms and the two contact wheels connected to the fixed block are symmetrically arranged relative to the central rod, and the two contact arms and the two contact wheels connected to the sliding block are symmetrically arranged relative to the central rod.
Description
Technical Field
The utility model relates to the technical field of measurement of inner and outer diameters of a valve, in particular to a valve surveying and mapping tool convenient to use.
Background
The cylinder sleeve, the valve seat, the flange and other parts of the valve are mostly in a revolving body structure, the measurement of the outer diameter and the inner diameter of the revolving body is one of the necessary works of an overhaul department, the internal part damaged by disassembly is measured to obtain the machining size, and finally, the blank is machined into new parts according to the measured size. Generally, the inner diameter or the outer diameter of the revolving body can be obtained by an inner micrometer, an outer micrometer or a vernier caliper, but the operation experience of an operator is higher by using the conventional diameter measuring instrument, the operator needs to find the maximum point by feeling, and the measuring accuracy is greatly influenced by human factors. The fundamental reason is that in the measurement process of the conventional instruments, two measurement points on the diameter of the circle to be measured, especially two measurement points on the diameter direction, cannot be intuitively and accurately identified, and the measurement points are identified by depending on the experience of an operator, so that a large measurement error is easy to occur, the accurate size cannot be obtained, a certain error can be generated in a machined part, and certain difficulty can be brought to the next overhauling and mounting work.
SUMMERY OF THE UTILITY MODEL
Aiming at the problem that the inner diameter and the outer diameter of the valve are measured inaccurately in the traditional mode, the utility model provides the valve surveying and mapping tool which is convenient to use, can be used for measuring the inner diameter and the outer diameter of the valve revolving body, and is convenient to use and more accurate in measuring result.
The technical scheme is as follows: a valve surveying and mapping tool convenient to use comprises a central rod, a first measuring device and a second measuring device, wherein the first measuring device and the second measuring device are installed on the central rod, and the measuring device is characterized in that: one measuring device includes slider, two contact arms, contact wheel and measuring head one, two measuring device include fixed block, two contact arms, contact wheel and measuring head two, slider, measuring head one, measuring head two respectively with well core rod sliding connection, the fixed block is fixed on well core rod, measuring head one with the measuring head two are used for respectively supporting inner wall or the outer wall of the valve that awaits measuring, every the one end of contact arm respectively with contact wheel is connected, the other end with the slider perhaps the fixed block is connected, connects two on the fixed block contact arm and contact wheel about well core rod symmetry sets up, connects two on the slider contact arm and contact wheel about well core rod symmetry sets up.
It is further characterized in that:
the sliding block is provided with a through hole for the central rod to pass through, the sliding block is also connected with a locking screw through a locking screw hole, and the locking screw hole is communicated with the through hole;
the other end of the contact arm is provided with a rotating hole, the fixed block and the sliding block are respectively provided with a clamping groove, a rotating shaft is arranged in the clamping groove, and the rotating hole of the contact arm is connected with the rotating shaft;
the measuring head I and the measuring head II are provided with clamping groove holes for the central rod to pass through, and the clamping groove holes are internally provided with convex blocks matched with the guide grooves;
the first measuring head and the second measuring head are also respectively connected with a pointer probe, and the pointer probes are used for contacting with the inner wall or the outer wall of the valve to be measured;
the pointer probe is arranged in a bent mode and is rotatably connected with the first measuring head and the second measuring head.
The utility model has the beneficial effects that: when the valve rotating body is used, the contact wheels of the two contact arms of the measuring device II are respectively abutted against the valve rotating body, then the contact wheels of the two contact arms of the measuring device I are respectively abutted against the valve to be positioned by moving the measuring device I, at the moment, the center rod is positioned on the center diameter line of the valve rotating body, then the measuring head I and the measuring head II are moved to be abutted against the inner wall or the outer wall of the valve, the inner diameter or the outer diameter of the valve rotating body can be obtained by obtaining the distance between the measuring head I and the measuring head II, the repeated measurement in the traditional mode is not needed, the use is convenient, the diameter position is not needed to be estimated by depending on experience in the traditional mode, and the measuring result is more accurate.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a slider structure;
FIG. 3 is a schematic diagram of a contact arm structure;
FIG. 4 is a schematic structural diagram of a first measurement head;
FIG. 5 is a schematic view of the principle in measuring the outer diameter;
FIG. 6 is a schematic illustration of the principle in measuring the inside diameter;
FIG. 7 is an enlarged view taken at A in FIG. 5;
fig. 8 is a schematic view of the folding structure of the present invention.
Detailed Description
Fig. 1 shows a valve surveying and mapping tool convenient to use, which comprises a central rod 1, and a first measuring device and a second measuring device which are installed on the central rod 1, wherein the first measuring device comprises a sliding block 2, two contact arms 4, a contact wheel 402 and a first measuring head 5, the second measuring device comprises a fixed block 3, the device comprises two contact arms 4, a contact wheel 402 and a measuring head two 6, a sliding block 2, a measuring head one 5 and a measuring head two 6 are respectively connected with a central rod 1 in a sliding mode, a fixing block 3 is fixed on the central rod 1, the measuring head one 5 and the measuring head two 6 are respectively used for abutting against the inner wall or the outer wall of a valve to be measured, one end of each contact arm 4 is respectively connected with the contact wheel 402, the other end of each contact arm is connected with the sliding block 2 or the fixing block 3, the two contact arms 4 and the contact wheel 402 which are connected to the fixing block 3 are symmetrically arranged relative to the central rod 1, and the two contact arms 4 and the contact wheel 402 which are connected to the sliding block 2 are symmetrically arranged relative to the central rod 1.
When the measuring device is used, as shown in fig. 5 and 6, the contact wheel 402 of the second measuring device is abutted against the outer wall of the valve revolving body, the contact wheel 402 is tangent to the revolving body 7 as shown in fig. 7, because the contact wheel and the contact arm are symmetrically arranged about the central rod, the intersection point of the contact wheel and the tangent line L of the revolving body 7 is positioned on the central rod, and the central rod is positioned on the central diameter line of the revolving body, the central line of the revolving body can be easily found out, and then the sliding block is moved for fixing, so that the maximum two points on the diameter line of the revolving body can be easily determined by contacting the measuring head with the revolving body, and the diameter of the revolving body can be further measured.
Referring to fig. 2, a through hole 201 is formed in the slider 2 for the central rod 1 to pass through, and a locking screw 204 is connected to the slider 2 through a locking screw hole, and the locking screw hole is communicated with the through hole 201, so that the position of the slider can be fixed by tightening the locking screw 204.
In addition, as shown in fig. 2 and fig. 3, the other end of the contact arm 4 is provided with a rotation hole 401, the slider 2 is provided with a card slot 202, the card slot 202 is provided with a rotation shaft 203, the rotation hole 401 of the contact arm 4 is connected with the rotation shaft 203, and the connection structure of the contact arm 4 of the fixed block 3 is similar, so that after the arrangement, the contact arm 4 can rotate, and when the device is not used, the contact arm can be folded as shown in fig. 8, and the device is convenient to carry.
In addition, for the convenience of guiding, the guide groove 101 is formed in the central rod 1, as shown in fig. 4, the first measuring head 5 and the second measuring head 6 are provided with a slot 502 for the central rod 1 to pass through, and a protrusion 503 matched with the guide groove 101 is arranged in the slot 502, so that the measuring heads cannot rotate in the moving process. The first measuring head 5 and the second measuring head 6 are further respectively connected with a pointer probe 501, the pointer probe 501 is used for being in contact with the inner wall or the outer wall of the valve to be measured, and the pointer probe 501 can be vertical, so that the inner diameter and the outer diameter can be obtained through the distance between the measuring probes when the pointer probe 501 is in contact with a valve revolving body, or the inner diameter and the outer diameter can be read through setting a dimension line on a central rod. Preferably, the pointer probe 501 is bent, and the pointer probe 501 is rotatably connected with the first measuring head 5 and the second measuring head 6, so that the pointer probe is bidirectionally rotatably arranged, not only can measure the outer diameter d1 of the revolving body, but also can measure the inner diameter d2 of the revolving body, the pointer probe only needs to be rotated to switch directions during switching, the use is very convenient, a capacitive grating sensor can be installed on the device, a fixed grating is installed on the second measuring head 6, and a movable grating is installed on the first measuring head 5, so that parameters of the first measuring head can be obtained when the first measuring head moves relative to the second measuring head, data is displayed through a display screen 505 on the first measuring head 5, and a zero clearing button 504 can be arranged on the first measuring head 5 to clear readings of the first measuring head before measurement.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. A valve surveying and mapping tool convenient to use comprises a central rod, a first measuring device and a second measuring device, wherein the first measuring device and the second measuring device are installed on the central rod, and the measuring device is characterized in that: one measuring device includes slider, two contact arms, contact wheel and measuring head one, two measuring device include fixed block, two contact arms, contact wheel and measuring head two, slider, measuring head one, measuring head two respectively with well core rod sliding connection, the fixed block is fixed on well core rod, measuring head one with the measuring head two are used for respectively supporting inner wall or the outer wall of the valve that awaits measuring, every the one end of contact arm respectively with contact wheel is connected, the other end with the slider perhaps the fixed block is connected, connects two on the fixed block contact arm and contact wheel about well core rod symmetry sets up, connects two on the slider contact arm and contact wheel about well core rod symmetry sets up.
2. A valve mapping tool as claimed in claim 1, wherein: the slider is provided with a through hole for the central rod to pass through, the slider is also connected with a locking screw through a locking screw hole, and the locking screw hole is communicated with the through hole.
3. A valve mapping tool for convenience of use according to claim 1 or 2, wherein: the other end of the contact arm is provided with a rotating hole, the fixed block and the sliding block are respectively provided with a clamping groove, a rotating shaft is arranged in the clamping groove, and the rotating hole of the contact arm is connected with the rotating shaft.
4. A valve mapping tool as claimed in claim 1, wherein: the measuring head I and the measuring head II are provided with clamping groove holes for the central rod to pass through, and the clamping groove holes are internally provided with convex blocks matched with the guide grooves.
5. A valve mapping tool as claimed in claim 4, wherein: the first measuring head and the second measuring head are further respectively connected with a pointer probe, and the pointer probe is used for being in contact with the inner wall or the outer wall of the valve to be measured.
6. A valve mapping tool as claimed in claim 5, wherein: the pointer probe is arranged in a bent mode and is rotatably connected with the first measuring head and the second measuring head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122641997.7U CN216308949U (en) | 2021-11-01 | 2021-11-01 | Use convenient valve surveying instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122641997.7U CN216308949U (en) | 2021-11-01 | 2021-11-01 | Use convenient valve surveying instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216308949U true CN216308949U (en) | 2022-04-15 |
Family
ID=81119241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122641997.7U Active CN216308949U (en) | 2021-11-01 | 2021-11-01 | Use convenient valve surveying instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216308949U (en) |
-
2021
- 2021-11-01 CN CN202122641997.7U patent/CN216308949U/en active Active
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