CN116182666A - Pressure reducing valve moving iron stroke testing device - Google Patents

Pressure reducing valve moving iron stroke testing device Download PDF

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Publication number
CN116182666A
CN116182666A CN202211650395.0A CN202211650395A CN116182666A CN 116182666 A CN116182666 A CN 116182666A CN 202211650395 A CN202211650395 A CN 202211650395A CN 116182666 A CN116182666 A CN 116182666A
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CN
China
Prior art keywords
pressure reducing
reducing valve
fixed
adjusting bolt
iron
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Pending
Application number
CN202211650395.0A
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Chinese (zh)
Inventor
况诗书
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Ningbo Saifu Automobile Brake Co ltd
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Ningbo Saifu Automobile Brake Co ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Ningbo Saifu Automobile Brake Co ltd filed Critical Ningbo Saifu Automobile Brake Co ltd
Priority to CN202211650395.0A priority Critical patent/CN116182666A/en
Publication of CN116182666A publication Critical patent/CN116182666A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/02Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/02Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
    • G01B5/06Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness for measuring thickness
    • G01B5/061Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness for measuring thickness height gauges
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00Testing of machine parts
    • G01M13/003Machine valves
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/30Use of alternative fuels, e.g. biofuels

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Control Of Fluid Pressure (AREA)

Abstract

The invention discloses a pressure reducing valve moving iron stroke testing device which comprises a base, an upright post, a height gauge, a supporting sleeve, a supporting plate, a pressing ring, a coil assembly and an adjustable pushing unit, wherein the base is provided with a plurality of guide rails; the coil assembly is vertically fixed in the support sleeve, the support plate is fixed with the upper end of the support sleeve, a through hole is formed in the middle of the support plate, the outer edge of the upper end of the pressure reducing valve is supported on the support plate, the pressing ring is fixed with the upper end of the support sleeve and used for pressing the pressure reducing valve on the support plate, the adjustable pushing unit is connected with the lower end of the support sleeve, and the pushing end of the adjustable pushing unit is propped against the lower end of the fixed iron in the pressure reducing valve; the lower end of the upright post is fixed with one side of the upper end of the base, the height gauge is vertically connected to the upright post through the height adjusting unit, and a probe is vertically fixed at the measuring end of the height gauge; the invention not only can adjust the moving stroke of the moving iron in the pressure reducing valve, but also can detect the moving stroke of the moving iron in the pressure reducing valve.

Description

Pressure reducing valve moving iron stroke testing device
Technical Field
The invention relates to the technical field of pressure reducing valve testing tools, in particular to a pressure reducing valve moving iron stroke testing device.
Background
In the production process of the pressure reducing valve, in order to ensure the product quality of the pressure reducing valve, the moving stroke of the moving iron inside the pressure reducing valve needs to be tested, currently, when the moving stroke of the moving iron in the pressure reducing valve is tested, the moving stroke of the moving iron in the pressure reducing valve needs to be set by adopting a stroke setting device, and then the moving stroke of the moving iron in the pressure reducing valve needs to be detected by adopting a stroke detecting device, namely, the detection of the moving stroke of the moving iron in the pressure reducing valve needs to enable the pressure reducing valve to be switched between two devices, so that the defect that the moving stroke of the moving iron in the pressure reducing valve is inconvenient to detect exists.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a pressure reducing valve moving iron stroke testing device which not only can adjust the moving stroke of moving iron in a pressure reducing valve, but also can detect the moving stroke of the moving iron in the pressure reducing valve.
The invention relates to a pressure reducing valve moving iron stroke testing device which comprises a base, an upright post, a height gauge, a supporting sleeve, a supporting plate, a pressing ring, a coil assembly and an adjustable pushing unit, wherein the base is provided with a plurality of guide rails; the coil assembly is vertically fixed in the support sleeve, the support plate is fixed with the upper end of the support sleeve, a through hole is formed in the middle of the support plate, the through hole is used for allowing the lower end of the pressure reducing valve to penetrate through so that the lower end of the pressure reducing valve can be inserted into the coil assembly, the outer edge of the upper end of the pressure reducing valve is supported on the support plate, the pressing ring is fixed with the upper end of the support sleeve and used for pressing the pressure reducing valve on the support plate, the adjustable pushing unit is connected with the lower end of the support sleeve, the pushing end of the adjustable pushing unit is abutted against the lower end of fixed iron in the pressure reducing valve, and the adjustable pushing unit is used for pushing the estimated iron to adjust the vertical position of the fixed iron and a shell in the pressure reducing valve; the lower extreme of stand is fixed with one side of base upper end, and the height gauge passes through the vertical connection of height adjustment unit on the stand, and the measuring end of height gauge is fixed with the probe vertically, and height adjustment unit is used for adjusting the height of height gauge so that the lower extreme of probe inserts in the venthole of relief pressure valve and offsets with the valve ball in the relief pressure valve and lean on.
By adopting the structure, the invention not only can adjust the moving stroke of the moving iron in the pressure reducing valve, but also can detect the moving stroke of the moving iron in the pressure reducing valve, thereby bringing convenience for detecting the moving stroke of the moving iron in the pressure reducing valve.
The invention relates to a pressure reducing valve moving iron stroke testing device, wherein an adjustable pushing unit comprises a connecting plate and an adjusting bolt, wherein two ends of the connecting plate are fixed with the lower end of a supporting sleeve through a first screw, a threaded hole is formed in the middle of the connecting plate, the adjusting bolt is arranged in the threaded hole in a penetrating manner and is in threaded connection with the threaded hole, the upper end of the adjusting bolt abuts against the lower end of a fixed iron, and when the adjusting bolt rotates relative to the connecting plate, the adjusting bolt is used for pushing the estimated iron to adjust the vertical positions of the fixed iron and a shell in the pressure reducing valve; after the adjustable pushing unit is adopted, when the adjusting bolt is rotated to enable the adjusting bolt to move upwards relative to the connecting plate, the adjusting bolt can push up the estimated iron upwards, namely the fixed iron can move upwards relative to the shell of the pressure reducing valve so as to enable the fixed iron to further press the spring positioned in the pressure reducing valve; when the adjusting bolt is rotated to enable the adjusting bolt to move downwards relative to the connecting plate, the fixed iron can move downwards relative to the shell of the pressure reducing valve under the pushing of the spring in the pressure reducing valve; through the process, under the action of the adjustable pushing unit, the vertical position of the fixed iron relative to the shell in the pressure reducing valve can be changed, so that the moving stroke of the moving iron can be changed when the coil assembly is powered on and off.
The invention relates to a pressure reducing valve moving iron stroke testing device, wherein the head of the lower end of an adjusting bolt is provided with a jack which horizontally penetrates through the head, and the jack is used for inserting a rod body so as to rotate the adjusting bolt; after the insertion hole is formed in the head portion of the adjusting bolt, the rod body can be inserted into the insertion hole so as to rotate the adjusting bolt, for example, one end of the outer hexagonal wrench is inserted into the insertion hole and the adjusting bolt is rotated by pulling the outer hexagonal wrench.
The invention relates to a pressure reducing valve moving iron stroke testing device, wherein a height adjusting unit comprises a connecting block, two ends of the connecting block are respectively provided with a first clamping groove and a second clamping groove, a stand column is arranged in the first clamping groove in a penetrating way, the connecting block is fixed with the stand column through a second screw which is connected with the opening end of the first clamping groove in a threaded way, a height gauge is arranged in the second clamping groove in a penetrating way, and the height gauge is fixed with the connecting block through a third screw which is arranged at the opening end of the second clamping groove in a penetrating way; after the structure is adopted, when the second screw is unscrewed, the connecting block can vertically move relative to the upright post, so that the height gauge can be adjusted to a required height, and when the second screw is screwed, the connecting block can be fastened with the upright post; similarly, when the third screw is tightened, the height gauge can be fastened with the connecting block.
According to the pressure reducing valve moving iron stroke testing device, two ends of the supporting plate are fixed with the upper end of the supporting sleeve through the fourth screw which is arranged in the supporting plate in a penetrating manner and is in threaded connection with the upper end of the supporting sleeve; by adopting the structure, the supporting plate can be reliably and conveniently fixed at the upper end of the supporting sleeve.
According to the pressure reducing valve moving iron stroke testing device, a plurality of fifth screws which are uniformly distributed in the circumferential direction are vertically and movably arranged at the edge of the pressing ring, screw holes which are vertically corresponding to the fifth screws one by one are formed in the upper end of the supporting sleeve, the fifth screws are in threaded connection with the screw holes in the corresponding positions, and the pressing ring is fixed at the upper end of the supporting sleeve through the fifth screws; by adopting the structure, the pressing ring can be reliably and conveniently fixed at the upper end of the supporting sleeve and tightly press the pressure reducing valve on the supporting plate.
The invention relates to a pressure reducing valve moving iron stroke testing device, wherein an annular groove is arranged on the outer wall of a pressing ring, and the annular groove is used for embedding the end part of a finger so as to be convenient for placing the pressing ring on a supporting sleeve or taking the pressing ring off the supporting sleeve; through adopting this kind of structure, take off the clamping ring from the support cover or place the in-process on the support cover, the tip of finger can imbed in the annular groove to can avoid producing the condition that skids between finger and the clamping ring, can bring the convenience for getting of clamping ring and putting promptly.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of a first perspective view of the present invention with the base, posts, connecting blocks and height gauges removed;
FIG. 3 is a schematic view of a second perspective view of the present invention with the base, posts, connecting blocks and height gauges removed;
FIG. 4 is a partially exploded perspective view of the present invention with the base, posts, connecting blocks and height gauges removed;
FIG. 5 is a schematic cross-sectional view of the present invention with the base, posts, connecting blocks and height gauges removed;
fig. 6 is an enlarged schematic view of the structure of fig. 5 at a.
Detailed Description
Various embodiments of the invention are disclosed in the following drawings, in which details of the practice are set forth in the following description for the purpose of clarity. However, it should be understood that these practical details are not to be taken as limiting the invention. That is, in some embodiments of the invention, these practical details are unnecessary. Moreover, for the purpose of simplifying the drawings, some conventional structures and components are shown in the drawings in a simplified schematic manner.
In addition, the descriptions of the "first," "second," and the like, herein are for descriptive purposes only and are not intended to be specifically construed as order or sequence, nor are they intended to limit the invention solely for distinguishing between components or operations described in the same technical term, but are not to be construed as indicating or implying any relative importance or order of such features. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
1-6, the pressure reducing valve moving iron stroke testing device comprises a base 1, an upright post 2, a height gauge 3, a supporting sleeve 4, a supporting plate 5, a pressing ring 6, a coil assembly 7 and an adjustable pushing unit; the support sleeve 4 is placed on the base 1, the coil assembly 7 is vertically fixed inside the support sleeve 4, the support plate 5 is fixed with the upper end of the support sleeve 4, a through hole 51 is formed in the middle of the support plate 5, the through hole 51 is used for allowing the lower end of the pressure reducing valve 8 to pass through so that the lower end of the pressure reducing valve 8 is inserted into the coil assembly 7, the outer edge of the upper end of the pressure reducing valve 8 is supported on the support plate 5, the pressing ring 6 is fixed with the upper end of the support sleeve 4 and used for pressing the pressure reducing valve 8 on the support plate 5, an adjustable pushing unit is connected with the lower end of the support sleeve 4 and the pushing end of the adjustable pushing unit abuts against the lower end of the fixed iron 81 in the pressure reducing valve 8, and the adjustable pushing unit is used for pushing the estimated iron 81 so as to adjust the vertical positions of the fixed iron 81 and the shell 82 in the pressure reducing valve 8; the lower extreme of stand 2 is fixed with one side of base 1 upper end, and height gauge 3 passes through the vertical connection of height adjustment unit on stand 2, and the measuring end of height gauge 3 is fixed with probe 31 vertically, and height adjustment unit is used for adjusting the height of height gauge 3 so that the lower extreme of probe 31 inserts in the venthole 83 of relief pressure valve 8 and offsets with the valve ball 84 in the relief pressure valve 8.
The adjustable pushing unit comprises a connecting plate 91 and an adjusting bolt 92, wherein both ends of the connecting plate 91 are fixed with the lower end of the supporting sleeve 4 through a first screw 93, a threaded hole 911 is formed in the middle of the connecting plate 91, the adjusting bolt 92 is arranged in the threaded hole 911 in a penetrating manner and is in threaded connection with the threaded hole 911, the upper end of the adjusting bolt 92 abuts against the lower end of the fixed iron 81, and when the adjusting bolt 92 rotates relative to the connecting plate 91, the adjusting bolt 92 is used for pushing the fixed iron 81 so as to adjust the vertical positions of the fixed iron 81 and the shell 82 in the pressure reducing valve 8; after the adjustable pushing unit is adopted, when the adjusting bolt is rotated to enable the adjusting bolt to move upwards relative to the connecting plate, the adjusting bolt can push up the estimated iron upwards, namely the fixed iron can move upwards relative to the shell of the pressure reducing valve so as to enable the fixed iron to further press the spring positioned in the pressure reducing valve; when the adjusting bolt is rotated to enable the adjusting bolt to move downwards relative to the connecting plate, the fixed iron can move downwards relative to the shell of the pressure reducing valve under the pushing of the spring in the pressure reducing valve; through the process, under the action of the adjustable pushing unit, the vertical position of the fixed iron relative to the shell in the pressure reducing valve can be changed, so that the moving stroke of the moving iron can be changed when the coil assembly is powered on and off.
A head 921 at the lower end of the adjusting bolt 92 is provided with a jack 922 horizontally penetrating the head 921, and the jack 922 is used for inserting a rod body so as to rotate the adjusting bolt 92; after the insertion hole is formed in the head portion of the adjusting bolt, the rod body can be inserted into the insertion hole so as to rotate the adjusting bolt, for example, one end of the outer hexagonal wrench is inserted into the insertion hole and the adjusting bolt is rotated by pulling the outer hexagonal wrench.
The height adjusting unit comprises a connecting block 10, wherein a first clamping groove 101 and a second clamping groove 102 are respectively arranged at two ends of the connecting block 10, a stand column 2 is arranged in the first clamping groove 101 in a penetrating manner, the connecting block 10 is fixed with the stand column 2 through a second screw which is connected with the opening end of the first clamping groove 101 in a threaded manner, a height gauge 3 is arranged in the second clamping groove 102 in a penetrating manner, and the height gauge 3 is fixed with the connecting block 10 through a third screw which is arranged in the opening end of the second clamping groove 102 in a penetrating manner; after the structure is adopted, when the second screw is unscrewed, the connecting block can vertically move relative to the upright post, so that the height gauge can be adjusted to a required height, and when the second screw is screwed, the connecting block can be fastened with the upright post; similarly, when the third screw is tightened, the height gauge can be fastened with the connecting block.
Both ends of the supporting plate 5 are fixed with the upper end of the supporting sleeve 4 through a fourth screw 52 which is penetrated in the supporting plate 5 and is in threaded connection with the upper end of the supporting sleeve 4; by adopting the structure, the supporting plate can be reliably and conveniently fixed at the upper end of the supporting sleeve.
A plurality of fifth screws 61 which are uniformly distributed in the circumferential direction are vertically and movably arranged at the edge of the pressing ring 6, screw holes 41 which are vertically corresponding to the fifth screws 61 one by one are arranged at the upper end of the supporting sleeve 4, each fifth screw 61 is in threaded connection with the screw hole 41 at the corresponding position, and the pressing ring 6 is fixed at the upper end of the supporting sleeve 4 through the plurality of fifth screws 61; by adopting the structure, the pressing ring can be reliably and conveniently fixed at the upper end of the supporting sleeve and tightly press the pressure reducing valve on the supporting plate.
The outer wall of the pressing ring 6 is provided with an annular groove 62, and the annular groove 62 is used for embedding the end part of a finger so as to be convenient for placing the pressing ring 6 on the supporting sleeve 4 or removing the pressing ring from the supporting sleeve 4; through adopting this kind of structure, take off the clamping ring from the support cover or place the in-process on the support cover, the tip of finger can imbed in the annular groove to can avoid producing the condition that skids between finger and the clamping ring, can bring the convenience for getting of clamping ring and putting promptly.
When the stroke of the pressure reducing valve is tested, firstly, the lower end of the pressure reducing valve to be tested is inserted into the coil assembly through the through hole in the supporting plate, then the gland is fixed to the upper end of the supporting sleeve so that the gland presses the outer edge of the upper end of the pressure reducing valve on the supporting plate, then the height of the height gauge is adjusted through the height adjusting unit, the lower end of the probe abuts against the valve ball after being inserted into the air outlet hole of the pressure reducing valve, the height gauge is zeroed, then the power supply of the coil assembly is connected, at the moment, the valve ball can be driven to move downwards by the moving iron positioned in the pressure reducing valve under the action of the coil assembly, namely, the probe connected to the measuring end of the height gauge can move downwards, and therefore the moving stroke of the moving iron can be measured by the height gauge; if the stroke value of the moving iron is smaller than the standard value, the power supply of the coil assembly is disconnected, the adjusting bolt is rotated to enable the adjusting bolt to push up the estimated iron, and if the stroke value of the moving iron is smaller than the standard value, the power supply of the coil assembly is disconnected, and the adjusting bolt is rotated to enable the adjusting bolt to move downwards, and at the moment, the fixed iron can move downwards; after the vertical position of the fixed iron relative to the shell of the pressure reducing valve is adjusted, the steps are repeated until the stroke value of the moving iron is adjusted to the standard value, so that the position of the fixed iron relative to the shell of the pressure reducing valve can be calibrated, and the production equipment of the pressure reducing valve can be calibrated and compared.
The foregoing description is only illustrative of the invention and is not to be construed as limiting the invention. Various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, or the like, which is within the spirit and principles of the present invention, should be included in the scope of the claims of the present invention.

Claims (7)

1. The utility model provides a relief pressure valve moves indisputable stroke testing arrangement which characterized in that: comprises a base (1), an upright post (2), a height gauge (3), a supporting sleeve (4), a supporting plate (5), a pressing ring (6), a coil component (7) and an adjustable pushing unit; the support sleeve (4) is placed on the base (1), the coil assembly (7) is vertically fixed inside the support sleeve (4), the support plate (5) is fixed with the upper end of the support sleeve (4), a through hole (51) is formed in the middle of the support plate (5), the through hole (51) is used for allowing the lower end of the pressure reducing valve (8) to pass through so that the lower end of the pressure reducing valve (8) is inserted into the coil assembly (7), the outer edge of the upper end of the pressure reducing valve (8) is supported on the support plate (5), the pressing ring (6) is fixed with the upper end of the support sleeve (4) and used for pressing the pressure reducing valve (8) on the support plate (5), the adjustable pushing unit is connected with the lower end of the support sleeve (4) and abuts against the lower end of the fixed iron (81) in the pressure reducing valve (8), and the adjustable pushing unit is used for adjusting the vertical position of the fixed iron (81) and the shell (82) in the pressure reducing valve (8). The lower extreme of stand (2) is fixed with one side of base (1) upper end, height gauge (3) are connected on stand (2) through height adjustment unit is vertical, the measurement end of height gauge (3) is vertical to be fixed with probe (31), height adjustment unit is used for adjusting the height of height gauge (3) so that the lower extreme of probe (31) inserts in venthole (83) of relief pressure valve (8) and offsets with valve ball (84) in relief pressure valve (8).
2. The pressure reducing valve moving iron stroke testing device according to claim 1, wherein the adjustable pushing unit comprises a connecting plate (91) and an adjusting bolt (92), two ends of the connecting plate (91) are fixed with the lower end of the supporting sleeve (4) through a first screw (93), a threaded hole (911) is formed in the middle of the connecting plate (91), the adjusting bolt (92) is arranged in the threaded hole (911) in a penetrating mode and is in threaded connection with the threaded hole (911), the upper end of the adjusting bolt (92) abuts against the lower end of the fixed iron (81), and when the adjusting bolt (92) rotates relative to the connecting plate (91), the adjusting bolt (92) is used for pushing the fixed iron (81) to adjust the vertical positions of the fixed iron (81) and a shell (82) in the pressure reducing valve (8).
3. The pressure reducing valve moving iron stroke testing device according to claim 2, wherein a head (921) at the lower end of the adjusting bolt (92) is provided with a jack (922) penetrating through the head (921) horizontally, and the jack (922) is used for inserting a rod body so as to rotate the adjusting bolt (92).
4. A pressure reducing valve moving iron stroke testing device according to any one of claims 1-3, wherein the height adjusting unit comprises a connecting block (10), a first clamping groove (101) and a second clamping groove (102) are respectively arranged at two ends of the connecting block (10), the upright post (2) is arranged in the first clamping groove (101) in a penetrating manner, the connecting block (10) is fixed with the upright post (2) through a second screw which is connected at the opening end of the first clamping groove (101) in a threaded manner, the height gauge (3) is arranged in the second clamping groove (102) in a penetrating manner, and the height gauge (3) is fixed with the connecting block (10) through a third screw which is arranged at the opening end of the second clamping groove (102) in a penetrating manner.
5. A pressure reducing valve ferric stroke testing device according to any one of claims 1-3, wherein both ends of the supporting plate (5) are fixed to the upper end of the supporting sleeve (4) by a fourth screw (52) penetrating the supporting plate (5) and screwed to the upper end of the supporting sleeve (4).
6. A pressure reducing valve moving iron stroke testing device according to any one of claims 1-3, wherein a plurality of fifth screws (61) which are uniformly distributed in the circumferential direction are vertically and movably arranged at the edge of the pressing ring (6), screw holes (41) which are vertically corresponding to the fifth screws (61) one by one are arranged at the upper end of the supporting sleeve (4), each fifth screw (61) is in threaded connection with the screw hole (41) at the corresponding position, and the pressing ring (6) is fixed at the upper end of the supporting sleeve (4) through the plurality of fifth screws (61).
7. The pressure reducing valve moving iron stroke testing device according to claim 6, wherein an annular groove (62) is arranged on the outer wall of the pressing ring (6), and the annular groove (62) is used for embedding the end part of a finger so as to facilitate the placement of the pressing ring (6) on the supporting sleeve (4) or the removal of the pressing ring from the supporting sleeve (4).
CN202211650395.0A 2022-12-21 2022-12-21 Pressure reducing valve moving iron stroke testing device Pending CN116182666A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211650395.0A CN116182666A (en) 2022-12-21 2022-12-21 Pressure reducing valve moving iron stroke testing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211650395.0A CN116182666A (en) 2022-12-21 2022-12-21 Pressure reducing valve moving iron stroke testing device

Publications (1)

Publication Number Publication Date
CN116182666A true CN116182666A (en) 2023-05-30

Family

ID=86445299

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211650395.0A Pending CN116182666A (en) 2022-12-21 2022-12-21 Pressure reducing valve moving iron stroke testing device

Country Status (1)

Country Link
CN (1) CN116182666A (en)

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