CN210570399U - Measuring tool for measuring diameter of butterfly plate sealing surface of butterfly valve - Google Patents
Measuring tool for measuring diameter of butterfly plate sealing surface of butterfly valve Download PDFInfo
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- CN210570399U CN210570399U CN201921917839.6U CN201921917839U CN210570399U CN 210570399 U CN210570399 U CN 210570399U CN 201921917839 U CN201921917839 U CN 201921917839U CN 210570399 U CN210570399 U CN 210570399U
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Abstract
The utility model provides a measure measuring tool of butterfly valve butterfly plate sealing face diameter, it can solve and currently adopt slide caliper rule to measure the artificial error of butterfly plate sealing face when the diameter of sealed line department is great, and measurement accuracy is not high, influences the problem of valve manufacturing quality. The device comprises a cross beam, a dial indicator, a positioning slide block and a standard sample block, wherein the bottom surface of the cross beam is a positioning plane, the positioning slide block can move transversely along the cross beam and can be locked on the cross beam through a locking piece, and two steel ball probe rods are respectively arranged on the positioning slide block positioned at the lower part of the cross beam; a sleeve of the dial indicator is fixedly arranged below one end of the cross beam and is parallel to the cross beam, a measuring head of the dial indicator is opposite to a steel ball of the steel ball probe rod and is positioned on a measuring plane together, the measuring plane is parallel to the positioning plane, and the vertical distance between the measuring plane and the positioning plane is equal to the vertical distance between a sealing line of the butterfly plate and the top surface of the butterfly plate; the standard sample block is provided with a top plane and a side cylindrical surface, and the diameter of the side cylindrical surface is equal to the diameter of a sealing line of the butterfly plate.
Description
Technical Field
The utility model relates to a butterfly valve processing measurement field specifically is a measure measuring tool of butterfly valve butterfly plate sealing surface diameter.
Background
The butterfly valve is a common regulating valve, the opening and closing part of the regulating valve is a butterfly plate, the butterfly plate is installed on a valve shaft, and the valve shaft can drive the butterfly plate to rotate, so that the sealing surface of the butterfly plate extrudes a valve seat to realize sealing.
Fig. 1 is a schematic structural diagram of a conventional butterfly plate, where a butterfly plate sealing surface 1 is a spherical surface, and is line-sealed when being pressed against a valve seat, that is, only one circle of a dotted line a (hereinafter referred to as a sealing line) on the butterfly plate sealing surface 1 participates in sealing, and a vertical distance H from the sealing line to a butterfly plate top surface 2 is a fixed value. In order to ensure the sealing performance of the valve, the diameter B of the sealing surface of the butterfly plate at the sealing line is required to be specified in drawing size during butterfly plate processing. The diameter of the sealing surface of the existing butterfly plate at the sealing line is usually measured by a caliper, so that the artificial error is large, the measurement precision is not high, and the valve manufacturing quality is influenced.
Disclosure of Invention
Human error is great when the diameter to current adoption slide caliper rule measurement butterfly plate sealed face in sealed line department, and measurement accuracy is not high, influences the technical problem of valve manufacturing quality, the utility model provides a measure the measuring tool of butterfly valve butterfly plate sealed face diameter, it can realize the accurate measurement of the diameter size of butterfly valve butterfly plate sealed face in sealed line department, ensures that this size accords with the drawing requirement.
The technical scheme is as follows: the utility model provides a measure measuring tool of butterfly valve butterfly plate sealing surface diameter which characterized in that: the device comprises a cross beam, a dial indicator, a positioning slide block and a standard sample block, wherein the bottom surface of the cross beam is a positioning plane, the positioning slide block can move along the transverse direction of the cross beam and can be locked on the cross beam through a locking piece, two steel ball probe rods are further respectively arranged on the positioning slide block positioned at the lower part of the cross beam, and the two steel ball probe rods are symmetrically arranged on the cross beam; the sleeve of the dial indicator is fixedly installed below one end of the cross beam and is arranged in parallel with the cross beam, a measuring head of the dial indicator is arranged opposite to the steel ball of the steel ball probe rod, the center of the measuring head and the center of the steel ball are located on a measuring plane together, the measuring plane is parallel to the positioning plane, and the vertical distance between the measuring plane and the positioning plane is equal to the vertical distance between the sealing line of the butterfly plate and the top surface of the butterfly plate; the standard sample block is provided with a top plane and a side cylindrical surface, the diameter of the side cylindrical surface is equal to the diameter of a sealing line of the butterfly plate, and the top plane can be attached to the positioning plane and the measuring head and the steel ball can be reliably positioned on the side cylindrical surface.
It is further characterized in that:
the positioning sliding block is provided with a sleeve hole matched with the longitudinal section of the cross beam in shape, the cross beam penetrates through the sleeve hole in a matching mode, the top surface of the positioning sliding block is further provided with a first vertical threaded hole communicated with the sleeve hole, the locking piece is a first screw, and the first screw is installed in the first vertical threaded hole and can be tightly propped against the top surface of the cross beam.
The steel ball probe rod is detachably mounted on the positioning slide block.
The positioning slide block is provided with a steel ball probe rod mounting hole, the steel ball probe rod penetrates through the steel ball probe rod mounting hole, the bottom surface of the positioning slide block is further provided with a second vertical threaded hole communicated with the steel ball probe rod mounting hole, and a second screw used for tightly jacking the steel ball probe rod is arranged in the second vertical threaded hole.
The utility model discloses a dial indicator, including crossbeam, fixed block, vertical rectangular channel, screw four, round through-hole and screw hole three, the screw four passes round through-hole twist revolve twist in the screw hole three, the screw four is used for the tensioning to be located vertical rectangular channel both sides the fixed block and then locking the sleeve of dial indicator, the upper end of fixed block is in through three rigid couplings of screw on the one end side of crossbeam, the lower extreme middle part is opened there is vertical rectangular channel, it has been used for the installation to open in the vertical rectangular channel the telescopic through-hole of dial indicator is located vertical rectangular channel both sides still open respectively on the fixed block has round through-hole and screw hole three, and the.
The utility model has the advantages that:
the utility model discloses a measuring tool for measuring butterfly valve butterfly plate sealing surface diameter, when using, firstly according to the butterfly plate to be measured, select the corresponding standard sample block, the top plane of the standard sample block is attached to the locating plane of the crossbeam, the standard sample block is gently moved to the position near the measuring head of the dial indicator, when the pointer on the dial indicator slightly rotates, the standard sample block stops moving, then the locating slide block at the other end is moved, the steel ball probe rod on the locating slide block is slowly close to the standard sample block, when the pointer on the dial indicator slightly rotates, the locating slide block stops moving immediately, the locating slide block is directly locked on the crossbeam by the locking piece, and the dial indicator is zeroed, at this moment, the measuring tool is adjusted, then the standard sample block is unloaded, the butterfly plate to be measured is attached to the measuring tool, namely the top surface of the butterfly plate is attached to the locating plane of the crossbeam, because the center of the measuring head of the dial indicator and the center of the steel ball are located on the measuring plane together, the measuring plane is parallel with the locating plane and the perpendicular distance between the two equals the perpendicular distance of the seal line of butterfly plate and the butterfly plate top surface, so the measuring head and the steel ball of percentage table just in time aim at the seal line position of butterfly plate this moment, and the butterfly plate leans on the measuring tool after, according to percentage table dial plate pointer pivoted check number, just can accurately survey and draw the diameter size of the sealed face of butterfly plate in seal line department, and then can judge whether this size satisfies the drawing requirement, the utility model discloses a measuring tool can realize the accurate measurement of the sealed face of butterfly plate in seal line department diameter, is showing improvement valve manufacturing quality.
Drawings
FIG. 1 is a schematic view of a conventional butterfly plate structure;
FIG. 2 is a front view of the present invention;
FIG. 3 is a bottom view of FIG. 2;
FIG. 4 is an enlarged view of area C of FIG. 2;
FIG. 5 is a cross-sectional view taken along line D-D of FIG. 3;
FIG. 6 is a schematic view of a butterfly plate measured by the measuring tool of the present invention;
fig. 7 is an enlarged view of the region E in fig. 6.
Reference numerals: 1-a butterfly plate sealing surface; 2-top surface of butterfly plate; 3-a cross beam; 4-dial indicator; 5, positioning a sliding block; 6-standard sample block; 7-steel ball probe rod; 8-a sleeve; 9-a measuring head; 10-steel balls; 11-top plane; 12-lateral cylindrical surface; 13-trepanning; 14-screw one; 15-screw II; 16-fixing block; 17-screw III; 18-vertical rectangular grooves; 19-circular through holes; 20-screw four.
Detailed Description
Referring to fig. 1 to 7, the measuring tool for measuring the diameter of the butterfly plate sealing surface of the butterfly valve of the present invention comprises a cross beam 3, a dial indicator 4, a positioning slider 5 and a standard sample block 6, wherein the bottom surface of the cross beam 3 is a positioning plane F, the positioning slider 5 can move along the transverse direction of the cross beam 3 and can be locked on the cross beam 3 through a locking member, two steel ball probe rods 7 are respectively mounted on the positioning slider 5 at the lower part of the cross beam 3, and the two steel ball probe rods 7 are symmetrically arranged on the cross beam 3; a sleeve 8 of the dial indicator 4 is fixedly arranged below one end of the cross beam 3 and is arranged in parallel with the cross beam 3, a measuring head 9 of the dial indicator 4 is arranged opposite to a steel ball 10 of the steel ball probe rod 7, the center of the measuring head 9 and the center of the steel ball 10 are positioned on a measuring plane G together, the measuring plane G is parallel to the positioning plane F, and the vertical distance H between the measuring plane G and the positioning plane F is equal to the vertical distance H between a sealing line of the butterfly plate and the top surface 2 of the butterfly plate; the standard sample block 6 is provided with a top plane 11 and a side cylindrical surface 12, the diameter phi of the side cylindrical surface 12 is equal to the diameter of a sealing line of the butterfly plate, the top plane 11 can be attached to the positioning plane F, and the measuring head 9 and the steel ball 10 can be reliably arranged on the side cylindrical surface 12.
Referring to fig. 2, the positioning slide block 5 is provided with a sleeve hole 13 which is matched with the longitudinal section of the cross beam 3 in shape, the cross beam 3 is matched with and penetrates through the sleeve hole 13, the top surface of the positioning slide block 5 is also provided with a first vertical threaded hole communicated with the sleeve hole 13, the locking piece is a first screw 14, the first screw 14 can be a knurled high-head screw, and the first screw 14 is installed in the first vertical threaded hole and can be tightly propped against the top surface of the cross beam 3. So design, location slider simple structure is convenient for slide and locking.
Referring to fig. 2 to 3, the steel ball probe rod 7 is detachably mounted on the positioning slide block 5, a steel ball probe rod mounting hole is formed in the positioning slide block 5, the steel ball probe rod 7 penetrates through the steel ball probe rod mounting hole, a vertical threaded hole II communicated with the steel ball probe rod mounting hole is further formed in the bottom surface of the positioning slide block 5, a screw II 15 used for tightly jacking the steel ball probe rod is mounted in the vertical threaded hole II, and the screw II 15 can be used as an inner hexagonal cone end fastening screw. By the design, once the steel ball probe rod is damaged, the screw can be loosened, and the new steel ball probe rod can be replaced, so that the steel ball probe rod is convenient to mount and maintain.
Referring to fig. 2, 3 and 5, the dial indicator 4 is fixed on the cross beam 3 through a fixing block 16, the upper end of the fixing block 16 is fixedly connected to one end side face of the cross beam 3 through a third screw 17, the third screw 17 can be an inner hexagonal cylindrical head screw, a vertical rectangular groove 18 is formed in the middle of the lower end of the fixing block 16, a through hole for mounting the sleeve 8 of the dial indicator 4 is formed in the vertical rectangular groove 18, the fixing blocks 16 positioned on two sides of the vertical rectangular groove 18 are also respectively provided with a circular through hole 19 and a threaded hole three, a fourth screw 20 penetrates through the circular through hole 19 and is screwed into the threaded hole three, a fourth screw 20 can be a knurled high-head screw, and the fourth screw 20 is used for tensioning the fixing blocks 16 positioned on two sides of the vertical rectangular groove 18 and further locking the. The design is convenient for the installation of the dial indicator, the structure is simple, and the manufacture is convenient.
Adopt the utility model discloses a process of measuring sealed face diameter of butterfly plate is measured to measuring utensil under following concrete description: selecting a corresponding standard sample block 6 according to a butterfly plate to be measured, attaching a top plane 11 of the standard sample block 6 to a positioning plane F of a beam 3, slightly moving the standard sample block 6 to a position near a measuring head 9 of a dial indicator 4, stopping moving the standard sample block 6 when a pointer on the dial indicator 4 slightly rotates, then moving a positioning slide block 5 at the other end, enabling a steel ball probe rod 7 on the positioning slide block 5 to be slowly close to the standard sample block 6, immediately stopping moving the positioning slide block 5 when the pointer on the dial indicator 4 slightly rotates, directly locking the positioning slide block 5 on the beam 3 by using a screw 14, zeroing the dial indicator 4, finishing adjustment of a measuring tool at the moment, then detaching the standard sample block 6, attaching the butterfly plate to be measured to a measuring tool, attaching a top surface 2 of the butterfly plate to the positioning plane F of the beam 3, and aligning the measuring head 9 and a steel ball 10 of the dial indicator 4 to the position of the butterfly plate (namely, a dotted line A), after the butterfly plate is close to the measuring tool, the diameter size of the sealing surface of the butterfly plate at the sealing line can be accurately measured according to the number of the rotating grids of the dial pointer of the dial indicator 4 of the dial indicator.
Claims (5)
1. The utility model provides a measure measuring tool of butterfly valve butterfly plate sealing surface diameter which characterized in that: the device comprises a cross beam, a dial indicator, a positioning slide block and a standard sample block, wherein the bottom surface of the cross beam is a positioning plane, the positioning slide block can move along the transverse direction of the cross beam and can be locked on the cross beam through a locking piece, two steel ball probe rods are further respectively arranged on the positioning slide block positioned at the lower part of the cross beam, and the two steel ball probe rods are symmetrically arranged on the cross beam; the sleeve of the dial indicator is fixedly installed below one end of the cross beam and is arranged in parallel with the cross beam, a measuring head of the dial indicator is arranged opposite to the steel ball of the steel ball probe rod, the center of the measuring head and the center of the steel ball are located on a measuring plane together, the measuring plane is parallel to the positioning plane, and the vertical distance between the measuring plane and the positioning plane is equal to the vertical distance between the sealing line of the butterfly plate and the top surface of the butterfly plate; the standard sample block is provided with a top plane and a side cylindrical surface, the diameter of the side cylindrical surface is equal to the diameter of a sealing line of the butterfly plate, and the top plane can be attached to the positioning plane and the measuring head and the steel ball can be reliably positioned on the side cylindrical surface.
2. The measuring tool for measuring the diameter of the sealing surface of the butterfly plate of the butterfly valve according to claim 1, wherein: the positioning sliding block is provided with a sleeve hole matched with the longitudinal section of the cross beam in shape, the cross beam penetrates through the sleeve hole in a matching mode, the top surface of the positioning sliding block is further provided with a first vertical threaded hole communicated with the sleeve hole, the locking piece is a first screw, and the first screw is installed in the first vertical threaded hole and can be tightly propped against the top surface of the cross beam.
3. The measuring tool for measuring the diameter of the sealing surface of the butterfly plate of the butterfly valve according to claim 1 or 2, wherein: the steel ball probe rod is detachably mounted on the positioning slide block.
4. The measuring tool for measuring the diameter of the sealing surface of the butterfly plate of the butterfly valve according to claim 3, wherein: the positioning slide block is provided with a steel ball probe rod mounting hole, the steel ball probe rod penetrates through the steel ball probe rod mounting hole, the bottom surface of the positioning slide block is further provided with a second vertical threaded hole communicated with the steel ball probe rod mounting hole, and a second screw used for tightly jacking the steel ball probe rod is arranged in the second vertical threaded hole.
5. The measuring tool for measuring the diameter of the sealing surface of the butterfly plate of the butterfly valve according to claim 1, wherein: the utility model discloses a dial indicator, including crossbeam, fixed block, vertical rectangular channel, screw four, round through-hole and screw hole three, the screw four passes round through-hole twist revolve twist in the screw hole three, the screw four is used for the tensioning to be located vertical rectangular channel both sides the fixed block and then locking the sleeve of dial indicator, the upper end of fixed block is in through three rigid couplings of screw on the one end side of crossbeam, the lower extreme middle part is opened there is vertical rectangular channel, it has been used for the installation to open in the vertical rectangular channel the telescopic through-hole of dial indicator is located vertical rectangular channel both sides still open respectively on the fixed block has round through-hole and screw hole three, and the.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921917839.6U CN210570399U (en) | 2019-11-08 | 2019-11-08 | Measuring tool for measuring diameter of butterfly plate sealing surface of butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921917839.6U CN210570399U (en) | 2019-11-08 | 2019-11-08 | Measuring tool for measuring diameter of butterfly plate sealing surface of butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210570399U true CN210570399U (en) | 2020-05-19 |
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ID=70660475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921917839.6U Active CN210570399U (en) | 2019-11-08 | 2019-11-08 | Measuring tool for measuring diameter of butterfly plate sealing surface of butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210570399U (en) |
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2019
- 2019-11-08 CN CN201921917839.6U patent/CN210570399U/en active Active
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