CN111664989B - Shock-proof type automatic reset pressure gauge and installation method thereof - Google Patents
Shock-proof type automatic reset pressure gauge and installation method thereof Download PDFInfo
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- CN111664989B CN111664989B CN202010548278.8A CN202010548278A CN111664989B CN 111664989 B CN111664989 B CN 111664989B CN 202010548278 A CN202010548278 A CN 202010548278A CN 111664989 B CN111664989 B CN 111664989B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/02—Arrangements for preventing, or for compensating for, effects of inclination or acceleration of the measuring device; Zero-setting means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
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Abstract
The invention discloses a shock-proof automatic reset pressure gauge and a mounting method thereof, belonging to the technical field of pressure gauges, comprising a three-way pipeline and a connecting component arranged on the three-way pipeline, wherein a damping mechanism rotating in the horizontal and vertical directions is inserted into an opening at the bottom of the connecting component, the pressure gauge is fixed on a port of the damping mechanism positioned outside the connecting component, a pressure sensor electrically connected with the pressure gauge is communicated with an inner cavity of the pipeline, the damping mechanisms at two sides of the pressure gauge are inserted into ring grooves, the compressed spring and the small cross bar are equivalent to two shafts of the limiting column, the shafts can rotate around the annular groove, and can rotate, and the impact force generated by vibration can be reduced by the rotation of the self-body in the vertical and horizontal directions, offset through the swing to because the gravity of manometer after vibrations disappear, its gravity can automatic re-setting downwards.
Description
Technical Field
The invention relates to the technical field of pressure gauges, in particular to a shock-proof automatic reset pressure gauge and an installation method thereof.
Background
The pressure gauge is common pressure measuring equipment in daily life, and the pressure gauge transmits pressure deformation to the pointer through elastic deformation of a sensitive element in the gauge and a conversion mechanism of a movement in the gauge, so that the pointer rotates to display pressure.
The manometer that current welding and cutting instrument was used, its surface exposes outside, and the piece that splashes everywhere that produces during welding and cutting bounces easily on the surface of manometer for the manometer surface is fuzzy, influences the reading, and the manometer is damaged easily to piece and manometer surface collision.
Application number CN201921960271.6 discloses a manometer resetting means is used in welding and cutting, through first protective sheath, the second protective sheath, mutually support between foam-rubber cushion and the buffer spring and cushion, the impact force that can effectual buffering protection casing received, can prevent effectively that vibrations or the pressure of welding and cutting instrument from strikeing directly transmitting the manometer body on, guaranteed vibrations or pressure and strikeing and can not produce great interference to the manometer body, the normal function of manometer body has been guaranteed, the life of manometer body has been improved, but only through simple first protective sheath, the second protective sheath, foam-rubber cushion and buffer spring carry out the shock attenuation, its absorbing effect is still relatively poor.
Therefore, it is necessary to provide a pressure gauge resetting device to solve the above problems.
Disclosure of Invention
The invention aims to provide a shock-proof type automatic reset pressure gauge and an installation method thereof.A compressed spring and a matched small cross bar are equivalent to two shafts of a limiting column, are positioned on the diameter of a ring groove, and can rotate around the ring groove and also can rotate, impact force generated by shock is counteracted by swinging through the rotation of the shaft in the vertical and horizontal directions, and the gravity of the pressure gauge can automatically reset downwards after the shock disappears, so that the problems in the background technology are solved.
In order to achieve the purpose, the invention provides the following technical scheme: a shock-proof type automatic reset pressure gauge comprises a three-way pipeline and a connecting assembly arranged on the three-way pipeline, wherein a shock absorption mechanism rotating in the horizontal direction and the vertical direction is inserted into an opening at the bottom of the connecting assembly, the pressure gauge is fixed on a port positioned outside the connecting assembly, and a pressure sensor electrically connected with the pressure gauge is communicated with an inner cavity of the three-way pipeline;
the lateral periphery of the pressure gauge is connected with the gauge column along the radial direction, the top end of the gauge column is connected with a concentric limiting column, and the damping mechanisms are symmetrically arranged on two sides of the gauge column;
and a pressure sensor is fixed on the bottom surface of the limiting column, and a clamping block rotating with the sleeve ring is arranged along the circumferential surface of the limiting column.
Damping mechanism includes big horizontal pole, little horizontal pole, spring, sleeve and ball, and the one end welding of big horizontal pole is on the table post, and the other end and the little horizontal pole of big horizontal pole meet, and little horizontal pole extends to in the sleeve, and the outside cover of little horizontal pole has the spring, and the one end of spring is supported on the step of big horizontal pole, and the other end of spring supports in the sleeve to installation autogyration's ball on telescopic outer wall and side.
Furthermore, the connecting assembly comprises a cylinder seat, a flaring ring, a hose, a hard pipe and a sleeve ring, wherein a narrow opening part is integrally formed on the inner wall of the top end of the cylinder seat, the flaring ring is installed on the end surface of the bottom end of the cylinder seat, and the cylinder seat is in sealing connection with the pipe orifice of the three-way pipeline through threads processed on the outer wall;
the narrow opening is provided with a through air flow channel, one end of the air flow channel is communicated with the three-way pipeline, a fixed hose is embedded into the other end opening of the air flow channel, the other end of the hose is fixedly provided with a hard pipe, and the lantern ring is embedded into the inner edge of the pipe opening of the hard pipe.
Further, an annular groove is machined in the inner circumferential surface of the flaring ring, sleeves on two sides are inserted into the annular groove, and the sleeves are movably connected with three surfaces of the annular groove through balls.
Furthermore, the section of the fixture block is of a T-shaped structure, a groove with a T-shaped section is machined in the inner circumferential surface of the lantern ring, and the fixture block is inserted into the groove to rotate.
The invention provides another technology, which comprises an installation method of a shock-proof automatic reset pressure gauge, and the installation method comprises the following steps:
s1: two symmetrical ends of a gauge column of the pressure gauge are fixed with the integrated large cross rod and the small cross rod through bolts, the spring is sleeved on the small cross rod, the sleeve with the ball is embedded into the annular groove, and the ball can rotate along the annular groove;
s2: the flared ring is connected with the cylinder seat in an assembling and disassembling mode, and the cylinder seat is screwed into the three-way pipeline for fixation;
s3: the hard tube is sleeved outside the limiting column, the pressure sensor is wrapped in the hard tube, and the clamping block is inserted into the lantern ring to rotate to complete installation.
Further, in S3, a connecting lead on the pressure sensor penetrates through the gauge column and the limiting column to be electrically connected with the pressure gauge, and the pressure sensor transmits a 0-24mA current signal.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention provides a shock-proof automatic reset pressure gauge and a mounting method thereof, wherein shock absorption mechanisms at two sides of the pressure gauge are inserted into ring grooves, and the friction force of sliding and rotating is reduced through balls, after the spring is installed, the spring is in a compressed state, the end surface of the small cross rod is away from the sleeve by a certain distance, the spring is in a compressed state and a certain space is left for the spring to continue to be compressed and absorb the shock force, the compressed spring and the matched small cross bar are equivalent to two shafts of the limiting column and positioned on the diameter of the ring groove, the shafts can rotate around the ring groove, and can rotate, and the impact force generated by vibration can be reduced by the rotation of the self-body in the vertical and horizontal directions, offset through the swing to because the gravity of manometer after vibrations disappear, its gravity can automatic re-setting downwards.
2. The invention provides a shock-proof type automatic reset pressure gauge and an installation method thereof.A hard pipe and a limiting column rotate relatively, a hose has certain flexibility when the hard pipe swings or rotates, the pipeline is prevented from being not long enough, a sleeve ring is embedded into the inner edge of the pipe orifice of the hard pipe to seal the port, and an air flow channel is arranged to allow air in a three-way pipeline to enter a pressure sensor, so that the pressure sensor transmits a pressure signal to the pressure gauge, the pressure sensor transmits the pressure signal to the pressure gauge, and the purposes of shock resistance and automatic reset are fulfilled.
Drawings
FIG. 1 is an internal cross-sectional view of the present invention;
FIG. 2 is a connection diagram of a pressure gauge and a damping mechanism of the present invention;
FIG. 3 is a view of the flared ring and damper mechanism connection of the present invention;
FIG. 4 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;
FIG. 5 is a rotation diagram of the pressure gauge of the present invention;
fig. 6 is a pressure gauge resetting diagram according to the present invention.
In the figure: 1. a three-way pipeline; 2. a connecting assembly; 21. a cartridge holder; 211. a narrow mouth portion; 22. a flared ring; 221. an air flow channel; 23. a hose; 24. a hard tube; 25. a collar; 3. a damping mechanism; 31. a large cross bar; 32. a small cross bar; 33. a spring; 34. a sleeve; 35. a ball bearing; 4. a pressure gauge; 41. a surface column; 411. a limiting column; 5. a pressure sensor; 6. a clamping block; 7. and a ring groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a shock-proof type automatic reset pressure gauge comprises a three-way pipe 1 and a connecting assembly 2 installed on the three-way pipe 1, wherein the connecting assembly 2 comprises a cylinder seat 21, an expanding ring 22, a hose 23, a hard pipe 24 and a lantern ring 25, a narrow opening part 211 is integrally formed on the inner wall of the top end of the cylinder seat 21, a step is arranged inside the narrow opening part 211, the expanding ring 22 is installed on the end surface of the bottom end of the cylinder seat 21 and is connected in a bolt or thread mode, the connecting mode only needs to be capable of realizing installation and disassembly, the installation and disassembly are rapid, the cylinder seat 21 is connected with the pipe orifice of the three-way pipe 1 in a sealing mode through threads processed on the outer wall, the installation and the disassembly are rapid through the thread connection mode, and the sealing performance of the cylinder seat is not affected; processing air flow channel 221 that runs through on narrow mouth portion 211, air flow channel 221's one end and tee bend pipeline 1 intercommunication, fixed hose 23 of embedding in air flow channel 221's the other port, the port of hose 23 is connected on the step, hose 23 has certain elasticity, fixed hard tube 24 is gone up to the other end of hose 23, when hard tube 24 needs to be connected with spacing post 411, can be to hard tube 24 bulk movement, and also can let and take place relative rotation between hard tube 24 and the spacing post 411, its hose 23 has certain elasticity when hard tube 24 takes place to swing or rotate, avoid the pipeline not long enough, lantern ring 25 embedding hard tube 24's mouth of pipe is interior along last, air flow channel 221's setting lets the gas in tee bend pipeline 1 enter into on pressure sensor 5, thereby make pressure sensor 5 transmit pressure signal to manometer 4.
Referring to fig. 2-4, a damping mechanism 3 rotating in the horizontal and vertical directions is inserted into the bottom opening of the connecting assembly 2, the damping mechanism 3 includes a large cross bar 31, a small cross bar 32, a spring 33, a sleeve 34 and balls 35, one end of the large cross bar 31 is welded on the gauge post 41, the overall connection firmness is improved by welding, the other end of the large cross bar 31 is connected with the small cross bar 32, the two cross bars are concentric circles, the small cross bar 32 extends into the sleeve 34, the spring 33 is sleeved outside the small cross bar 32, one end of the spring 33 is supported on the step of the large cross bar 31, the other end of the spring 33 is supported in the sleeve 34, the gap between the small cross bar 32 and the sleeve 34 can be filled by the arrangement of the spring 33, and the spring 33 has a certain elasticity, absorbs the vibration of the flared ring 22, reduces the frequency of the vibration, avoids causing the internal shaking of the pressure gauge 4 and causing the deviation of the internal pointer, self-rotating balls 35 are arranged on the outer wall and the side face of the sleeve 34, the balls 35 are distributed on the outer side of the sleeve 34, the friction force of the contact part of the sleeve 34 is reduced, a pressure gauge 4 is fixed on a port of the damping mechanism 3 positioned outside the connecting component 2, a pressure sensor 5 electrically connected with the pressure gauge 4 is communicated with an inner cavity of the three-way pipeline 1, the side peripheral face of the pressure gauge 4 is connected with a gauge column 41 along the radial direction, a concentric limit column 411 is connected to the top end of the gauge column 41, and the damping mechanisms 3 are symmetrically arranged on two sides of the gauge column 41; the bottom surface of the limiting column 411 is fixed with a pressure sensor 5, a clamping block 6 rotating with the lantern ring 25 is arranged along the peripheral surface of the limiting column 411, the section of the clamping block 6 is of a T-shaped structure, a groove with a T-shaped section is processed on the inner peripheral surface of the lantern ring 25, the clamping block 6 is inserted into the groove to rotate, relative rotation between the hard tube 24 and the limiting column 411 is realized in a rotating mode, the hard tube 24 does not need to rotate along with the limiting column 411 to avoid pipeline winding, a ring groove 7 is processed on the inner peripheral surface of the flared ring 22, sleeves 34 on two sides are inserted into the ring groove 7, the sleeves 34 are movably connected with three surfaces of the ring groove 7 through balls 35, the positions of the sleeves 34 are limited through the ring groove 7, after the spring 33 is installed, the spring is in a compressed state, the end surface of the small cross bar 32 is a certain distance away from the sleeves 34, the spring 33 is in a compressed state, and a certain space is reserved for the spring to continue to be compressed, shock forces can be absorbed.
Referring to fig. 5-6, the compressed spring 33 and the small cross bar 32 are equivalent to two shafts of the limiting post 411, and are located on the diameter of the ring groove 7, so that the shafts can rotate around the ring groove 7 and can rotate, the impact force generated by vibration is counteracted by swinging through the rotation of the shafts in the vertical and horizontal directions, and the gravity of the pressure gauge 4 is automatically reset downwards after the vibration disappears.
In order to better show the installation process of the reset pressure gauge, the embodiment provides an installation method of a shock-proof automatic reset pressure gauge, which includes the following steps:
the method comprises the following steps: two symmetrical ends of a gauge column 41 of the pressure gauge 4 are fixed with the integrated big cross bar 31 and the small cross bar 32 through bolts, the spring 33 is sleeved on the small cross bar 32, the sleeve 34 with the ball 35 is embedded in the annular groove 7, and the ball 35 can rotate along the annular groove 7;
step two: the flared ring 22 is connected with the cylinder seat 21 in an assembling and disassembling mode, and the cylinder seat 21 is screwed into the three-way pipeline 1 for fixing;
step three: the hard tube 24 is sleeved outside the limiting column 411, the pressure sensor 5 is wrapped in the hard tube 24, the clamping block 6 is inserted into the lantern ring 25 to rotate, a connecting lead on the pressure sensor 5 penetrates through the gauge column 41 and the limiting column 411 to be electrically connected with the pressure gauge 4, and the pressure sensor 5 transmits a 0-24mA current signal to complete installation.
Through screw thread and common revolution mechanic, couple together both to the mode of connection is simple swift, does not have technical requirement at whole manometer 4's installation, and manometer 4 after the installation dismantles comparatively portably.
In summary, the following steps: the invention relates to a shock-proof automatic reset pressure gauge and a mounting method thereof, wherein damping mechanisms 3 at two sides of the pressure gauge 4 are inserted into a ring groove 7, sliding and rotating friction force is reduced by a ball 35, the pressure gauge is in a compressed state after a spring 33 is mounted, the end surface of a small cross rod 32 is away from a sleeve 34 by a certain distance, the spring 33 is in a compressed state and a certain space is reserved, the spring 33 can be continuously compressed and can absorb shock force, the compressed spring 33 and the matched small cross rod 32 are equivalent to two shafts of a limit column 411 and are positioned on the diameter of the ring groove 7, the shafts can rotate around the ring groove 7 and can rotate, impact force generated by shock is counteracted by swinging through the rotation of the shafts in the vertical and horizontal directions, and the gravity of the pressure gauge 4 can automatically reset downwards after the shock disappears, relative rotation takes place between hard tube 24 and spacing post 411, its hose 23 has certain elasticity when hard tube 24 takes place to swing or rotate, it is long inadequately to avoid the pipeline, it is sealed that the interior edge of lantern ring 25 embedding hard tube 24's mouth lets its port on, the setting up of airflow channel 221 lets the gas in the tee bend pipeline 1 get into to pressure sensor 5 on, thereby make pressure sensor 5 transmit to pressure signal to manometer 4, accomplish shockproof and automatic re-setting's purpose.
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 person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (6)
1. A shock-proof type automatic reset pressure gauge is characterized by comprising a three-way pipeline (1) and a connecting assembly (2) arranged on the three-way pipeline (1), wherein a damping mechanism (3) rotating in the horizontal and vertical directions is inserted into an opening at the bottom of the connecting assembly (2), the damping mechanism (3) is positioned on a port outside the connecting assembly (2) to fix a pressure gauge (4), and a pressure sensor (5) electrically connected with the pressure gauge (4) is communicated with an inner cavity of the three-way pipeline (1);
the lateral periphery of the pressure gauge (4) is connected with a gauge column (41) along the radial direction, the top end of the gauge column (41) is connected with a concentric limit column (411), and the damping mechanisms (3) are symmetrically arranged on two sides of the gauge column (41);
a pressure sensor (5) is fixed on the bottom surface of the limiting column (411), and a clamping block (6) rotating with the sleeve ring (25) is arranged along the circumferential surface of the limiting column (411);
damper (3) are including big horizontal pole (31), little horizontal pole (32), spring (33), sleeve (34) and ball (35), the one end welding of big horizontal pole (31) is on table post (41), the other end and little horizontal pole (32) of big horizontal pole (31) meet, little horizontal pole (32) extend to in sleeve (34), the outside cover of little horizontal pole (32) has spring (33), the one end of spring (33) is supported on the step of big horizontal pole (31), the other end of spring (33) supports in sleeve (34), and install ball (35) from the gyration on the outer wall of sleeve (34) and side.
2. The shock-proof type automatic resetting pressure gauge as claimed in claim 1, wherein the connecting assembly (2) comprises a cylinder base (21), a flared ring (22), a hose (23), a hard pipe (24) and a sleeve ring (25), a narrow opening part (211) is integrally formed on the inner wall of the top end of the cylinder base (21), the flared ring (22) is installed on the end surface of the bottom end of the cylinder base (21), and the cylinder base (21) is in sealing connection with the pipe orifice of the three-way pipe (1) through threads processed on the outer wall;
processing air current passageway (221) that run through on narrow mouthful portion (211), the one end and three-way pipeline (1) intercommunication of air current passageway (221), fixed hose (23) of other port internal embedding of air current passageway (221), fixed hard tube (24) on the other end of hose (23), along last in the mouth of pipe of lantern ring (25) embedding hard tube (24).
3. The shock-resistant automatic resetting pressure gauge according to claim 2, wherein the inner peripheral surface of the flared ring (22) is provided with an annular groove (7), the sleeves (34) at both sides are inserted into the annular groove (7), and the sleeves (34) are movably connected with three surfaces of the annular groove (7) through balls (35).
4. The shock-proof type automatic resetting pressure gauge according to claim 1, wherein the fixture block (6) has a T-shaped cross section, a groove with a T-shaped cross section is formed on the inner circumferential surface of the collar (25), and the fixture block (6) is inserted into the groove to rotate.
5. The method for installing a shock-proof automatic resetting pressure gauge as claimed in any one of claims 1 to 4, comprising the steps of:
s1: two symmetrical ends of a gauge column (41) of the pressure gauge (4) are fixed with the integrated big cross rod (31) and the small cross rod (32) through bolts, a spring (33) is sleeved on the small cross rod (32), a sleeve (34) with a ball (35) is embedded into the annular groove (7), and the ball (35) can rotate along the annular groove (7);
s2: the flared ring (22) is connected with the cylinder seat (21) in an assembling and disassembling mode, and the cylinder seat (21) is screwed into the three-way pipeline (1) for fixing;
s3: the hard tube (24) is sleeved outside the limiting column (411), the pressure sensor (5) is wrapped in the hard tube (24), and the clamping block (6) is inserted into the lantern ring (25) to rotate to complete installation.
6. The installation method of the shock-proof type automatic resetting pressure gauge according to claim 5, wherein in S3, a connecting lead on the pressure sensor (5) penetrates through the gauge column (41) and the limiting column (411) to be electrically connected with the pressure gauge (4), and the pressure sensor (5) transmits a 0-24mA current signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010548278.8A CN111664989B (en) | 2020-06-16 | 2020-06-16 | Shock-proof type automatic reset pressure gauge and installation method thereof |
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| CN202010548278.8A CN111664989B (en) | 2020-06-16 | 2020-06-16 | Shock-proof type automatic reset pressure gauge and installation method thereof |
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| CN111664989A CN111664989A (en) | 2020-09-15 |
| CN111664989B true CN111664989B (en) | 2021-08-24 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113074863B (en) * | 2021-04-01 | 2022-11-22 | 苏州新意达仪器科技有限公司 | Pressure gauge protection device |
| CN113670508B (en) * | 2021-08-20 | 2023-06-27 | 红旗仪表有限公司 | Universal self-resetting pressure gauge |
| CN114754919B (en) * | 2022-05-17 | 2024-08-27 | 陕西兆铭环境科技有限公司 | Industrial shock-resistant pressure gauge |
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| CN111664989A (en) | 2020-09-15 |
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Denomination of invention: Shock resistant automatic reset pressure gauge and its installation method Effective date of registration: 20211228 Granted publication date: 20210824 Pledgee: Ma'anshan branch of Bank of China Limited Pledgor: MAANSHAN EXACT INSTRUMENT CO.,LTD. Registration number: Y2021980016522 |
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