CN113418650A - Differential pressure gauge with high shock resistance - Google Patents
Differential pressure gauge with high shock resistance Download PDFInfo
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- CN113418650A CN113418650A CN202110681076.5A CN202110681076A CN113418650A CN 113418650 A CN113418650 A CN 113418650A CN 202110681076 A CN202110681076 A CN 202110681076A CN 113418650 A CN113418650 A CN 113418650A
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- 230000035939 shock Effects 0.000 title abstract description 13
- 238000013016 damping Methods 0.000 claims abstract description 25
- 230000010287 polarization Effects 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 238000010521 absorption reaction Methods 0.000 claims abstract description 16
- 238000003466 welding Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L13/00—Devices or apparatus for measuring differences of two or more fluid pressure values
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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
- G01L19/06—Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
- G01L19/0609—Pressure pulsation damping arrangements
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Vibration Prevention Devices (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention relates to the technical field of differential pressure gauges, in particular to a differential pressure gauge with high shock resistance. The invention aims to solve the technical problem that the connecting device is not in line with the actual use condition, and the shaking vibration conducted by the connecting device not only causes the synchronous shaking of the differential pressure gauge, but also easily causes the self-vibration of the connected external connecting pipe to influence the connection stability. In order to solve the technical problems, the invention provides a high-shock-resistance differential pressure gauge which comprises a polarization damping energy absorption device and a self-shock attenuation mechanism, wherein a mass ball can generate physical counteractive swing when the differential pressure gauge vibrates so as to counteract the shaking vibration of the differential pressure gauge, the amplitude of the differential pressure gauge can be effectively reduced, the possibility of loosening of a joint caused by shaking vibration can be reduced, the self-vibration of an external connection pipe influenced by conduction can be shunted to the surface of a rubber sleeve, the amplitude of the transmission to a gauge body is reduced, and an elastic rope is driven to shake so as to further lose the vibration energy, so that the influence of the self-vibration on the display precision is avoided to a certain extent.
Description
Technical Field
The invention relates to the technical field of differential pressure gauges, in particular to a differential pressure gauge with high shock resistance.
Background
The differential pressure gauge is a special type of gauge in a pressure gauge, is suitable for measuring two media with the same pressure or different pressures, and displays the differential pressure value of the two media. The differential pressure gauge is generally used for detecting the loss of medium pressure, and is widely applied to various industries such as industrial and mining, chemical industry, food, medical treatment, scientific research and the like.
The prior patent (publication number: CN109374195B) discloses a differential pressure gauge with high shock resistance, which comprises a box body with an opening at the upper end, wherein a T-shaped chute is arranged at the bottom of the box body, two T-shaped sliding blocks are connected in the T-shaped chute in a sliding way, and one end of each T-shaped sliding block, which is far away from the bottom of the T-shaped chute, penetrates through a notch of the T-shaped chute and extends outwards. The inventor finds that the prior art has the following problems in the process of realizing the utility model: 1. the differential pressure gauge needs to be connected to a pipeline, so that collision is difficult to occur, and the differential pressure gauge is easily influenced by vibration conducted by connecting equipment instead, and is not in line with actual use conditions; 2. besides causing synchronous shaking of the differential pressure gauge, the transmitted shaking vibration also easily causes the self-vibration of the connected external connecting pipe to influence the connection stability.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the differential pressure gauge with high shock resistance, which solves the problems that the differential pressure gauge needs to be connected to a pipeline, is difficult to collide, is easily influenced by the vibration conducted by connecting equipment, and is not in line with the actual use condition; besides causing synchronous shaking of the differential pressure gauge, the transmitted shaking vibration also easily causes the problem that the self-vibration of the connected external connecting pipe influences the connection stability.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a differential pressure gauge of high shock resistance, includes the dial plate, the bottom fixed mounting of dial plate has rather than the matched with and takes over outward, the quantity that takes over outward is two, and two take over outward and be the symmetry setting along the dial plate bottom.
The surface of the external connecting pipe is provided with a polarization damping energy absorption device, the polarization damping energy absorption device is provided with a self-vibration attenuation mechanism matched with the external connecting pipe, the bottom of the dial plate is fixedly connected with a bottom shell matched with the polarization damping energy absorption device and the self-vibration attenuation mechanism through screws, and the external connecting pipe is movably inserted on the bottom shell.
Preferably, polarization damping energy-absorbing device is including locking the joint seat, the quantity of locking the joint seat is two, two the locking joint seat sets up respectively on two take over outward, and the fixed surface of external seat is connected with the lantern ring, the quantity of the lantern ring is four, and four lantern rings use two to distribute in two locking joint seats as a set of, the lantern ring activity cup joints in the surface of taking over outward, and the surface of the lantern ring has connect soon through the screw and has managed matched with outward and transfer the footpath bolt.
The self-vibration attenuation mechanism is arranged on one side opposite to the surface of the lantern ring in the same group and is attached to the external connecting pipe.
The surface welding of lock joint seat has the relief spring, the one end welding that the relief spring kept away from the lock joint seat has the cassette, two the relative one side on cassette surface is through caulking groove fixedly connected with quality ball.
Preferably, the self-vibration attenuation mechanism comprises elastic ropes, wherein the two ends of each elastic rope are respectively and fixedly connected to two lantern rings in the same group, the number of the elastic ropes is ten, the elastic ropes are distributed in a semi-annular mode along the surfaces of the two lantern rings, and the rubber sleeves attached to the outer connecting pipes are sleeved on the surfaces of the elastic ropes in an interference mode.
Preferably, a transparent observation plate matched with the polarization damping energy absorption device and the self-vibration attenuation mechanism is embedded in the side edge of the surface of the bottom shell.
Preferably, the inner wall of the bottom shell is bonded with a concave-convex pad matched with the external connecting pipe and the polarization damping energy absorption device.
Preferably, the locking seat, the lantern ring and the clamping seat are all made of plastic steel materials.
Preferably, the surface of the locking seat is hinged with a spring buckle matched with the relief spring.
Preferably, the surface of the lantern ring and the surface of the external connecting pipe are provided with alignment scales matched with each other.
Advantageous effects
The invention provides a differential pressure gauge with high shock resistance. Compared with the prior art, the method has the following beneficial effects:
(1) this differential pressure gauge of high shock resistance is through setting up polarization damping energy-absorbing device for the quality ball can produce physical counteraction when the differential pressure gauge vibrates and sway, and shake of shaking of differential pressure gauge with this offset, can effectively reduce the amplitude of differential pressure gauge, can reduce to shake and cause the not hard up possibility in junction.
(2) This differential pressure meter of high shock resistance is through shaking attenuation mechanism certainly for the external pipe receives the conduction influence from shaking can shunt to the gum cover surface, reduces the amplitude to the table body transmission, and with this drive stretch cord rock further to carry out the loss to the vibration energy, has avoided the influence of shaking certainly to showing the precision.
(3) This differential pressure meter of high shock resistance is through setting up the lantern ring and adjusting parts cooperation such as footpath bolt for polarization damping energy-absorbing device can make things convenient for follow-up maintenance greatly with from shaking damping mechanism quick assembly disassembly on the differential pressure meter, and the additional formula structure is convenient for reequip on current differential pressure meter simultaneously and is obtained, has further reduced use cost.
Drawings
FIG. 1 is a schematic perspective view of the structure of the present invention;
FIG. 2 is a front cross-sectional view of the structure of the present invention;
FIG. 3 is an enlarged view of the invention at A in FIG. 2;
FIG. 4 is a left side view of the collar of FIG. 2 in accordance with the present invention;
fig. 5 is a top cross-sectional view of the inventive structure.
In the figure: 1. a watch body; 2. an external connection pipe; 3. a polarization damping energy absorption device; 301. a locking seat; 302. a collar; 303. diameter adjusting bolts; 304. a relief spring; 305. a card holder; 306. a mass ball; 4. a self-vibration damping mechanism; 401. an elastic cord; 402. a rubber sleeve; 5. a screw; 6. a bottom shell.
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. 1-5, a high shock resistance differential pressure gauge comprises a gauge body 1, wherein the bottom of the gauge body 1 is fixedly provided with two external tubes 2 matched with the gauge body, and the two external tubes 2 are symmetrically arranged along the bottom of the gauge body 1;
the surface of external pipe 2 is provided with polarization damping energy-absorbing device 3, and be provided with on the polarization damping energy-absorbing device 3 with external pipe 2 matched with from shaking attenuation mechanism 4, the bottom of table body 1 is through 5 fixedly connected with of screw and polarization damping energy-absorbing device 3 and from shaking attenuation mechanism 4 matched with drain pan 6, external pipe 2 activity alternates on drain pan 6, drain pan 6 can completely cut off polarization damping energy-absorbing device 3 and from shaking attenuation mechanism 4 work area, avoid the external interference that causes, the operating stability is improved.
In the invention, the polarization damping energy absorption device 3 comprises two locking seats 301, the two locking seats 301 are respectively arranged on two external tubes 2, the surfaces of the external seats are fixedly connected with lantern rings 302, the number of the lantern rings 302 is four, the four lantern rings 302 are distributed on the two locking seats 301 in a group of two, the lantern rings 302 are movably sleeved on the surfaces of the external tubes 2, the surfaces of the lantern rings 302 are screwed with diameter adjusting bolts 303 matched with the external tubes 2 through screw holes, and the diameter adjusting bolts 303 are screwed into the external tubes 2 to be abutted against the external tubes 2, so that the positions of the lantern rings 302 and the locking seats 301 can be locked;
the self-vibration attenuation mechanism 4 is arranged on one side opposite to the surface of the same set of lantern rings 302 and is attached to the external connecting pipe 2;
the skin weld of lock connection seat 301 has relief spring 304, the one end welding that relief spring 304 kept away from lock connection seat 301 has cassette 305, caulking groove fixedly connected with quality ball 306 is passed through to the relative one side on two cassette 305 surfaces, the differential pressure table receives the jointing equipment conduction when rocking, it can drive quality ball 306 and carry out synchronous motion, nevertheless along with relief spring 304 draws the opposite direction that rocks that can make spheroid and differential pressure table to quality ball 306, the spheroid can produce the physical reaction when the differential pressure table vibrates promptly and sway, shake with this of offsetting the differential pressure table, can effectively reduce the amplitude of differential pressure table, can reduce to shake and cause the not hard up possibility of junction.
In the invention, the shock attenuation mechanism 4 comprises elastic ropes 401, two ends of each elastic rope 401 are respectively and fixedly connected to two lantern rings 302 in the same group, the number of the elastic ropes 401 is ten, the ten elastic ropes 401 are distributed in a semi-annular shape along the surfaces of the two lantern rings 302, the rubber sleeve 402 attached to the external connecting pipe 2 is sleeved on the surface of each elastic rope 401 in an interference fit manner, the self-vibration of the external connecting pipe 2 affected by conduction can be distributed to the surface of the rubber sleeve 402, the amplitude of the transmission to the meter body 1 is reduced, the elastic ropes 401 are driven to shake to further lose the vibration energy, and the influence of the self-vibration on the display accuracy is avoided to a certain extent.
In the invention, the side edge of the surface of the bottom shell 6 is embedded with the transparent observation plate matched with the polarization damping energy absorption device 3 and the self-vibration attenuation mechanism 4, so that a user can conveniently and rapidly observe internal components, and the daily visual inspection and maintenance are facilitated.
In the invention, the inner wall of the bottom shell 6 is bonded with the concave-convex pad matched with the external connecting pipe 2 and the polarization damping energy absorption device 3, and the concave-convex peak-valley structure can be used for offsetting the noise generated by the vibration of internal parts.
In the invention, the locking seat 301, the lantern ring 302 and the clamping seat 305 are made of plastic steel materials, so that the materials have excellent performances such as air tightness, water tightness and corrosion resistance, are low in price, and greatly reduce the overall use cost.
In the invention, the surface of the locking seat 301 is hinged with a spring buckle matched with the relief spring 304, and the spring buckle can be buckled on a spring body to control the number of turns of the relief spring 304 through compression so as to adapt to the external connecting pipes 2 with different distances and the vibration strength.
In the invention, the surfaces of the lantern ring 302 and the outer connecting pipe 2 are provided with alignment scales which are matched with each other, which is beneficial for a user to quickly determine the fixed position of the lantern ring 302 and improves the installation efficiency of the device.
When in use, the lantern ring 302 and the locking base 301 at two sides are sleeved on the corresponding external connecting pipe 2 and locked by the diameter adjusting bolt 303, then the bottom shell 6 and the meter body 1 are locked by the screw 5, at this time, the device can be connected with other equipment for use, when the differential pressure meter is conducted and shaken by the connecting equipment, the differential pressure meter can drive the mass ball 306 to move synchronously, but the shaking direction of the ball body and the differential pressure meter can be opposite along with the traction of the slow potential spring 304 on the mass ball 306, namely, the ball body can generate physical reaction swinging when the differential pressure meter vibrates, so as to counteract the shaking vibration of the differential pressure meter, effectively reduce the amplitude of the differential pressure meter, reduce the possibility of loosening of the connecting part caused by the shaking vibration, simultaneously, the self vibration of the external connecting pipe 2 influenced by conduction can be shunted to the surface of the rubber sleeve 402, reduce the amplitude transferred to the meter body 1, and drive the elastic rope 401 to shake to further loss the vibration energy, the influence of the natural vibration on the display accuracy is avoided to a certain extent.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A high-shock-resistance differential pressure gauge comprises a gauge body (1), and is characterized in that: the bottom of the meter body (1) is fixedly provided with external tubes (2) matched with the meter body, the number of the external tubes (2) is two, and the two external tubes (2) are symmetrically arranged along the bottom of the meter body (1);
the surface of the external pipe (2) is provided with a polarization damping energy absorption device (3), the polarization damping energy absorption device (3) is provided with a self-vibration attenuation mechanism (4) matched with the external pipe (2), the bottom of the meter body (1) is fixedly connected with the polarization damping energy absorption device (3) and the bottom shell (6) matched with the self-vibration attenuation mechanism (4) through screws (5), and the external pipe (2) is movably inserted into the bottom shell (6).
2. A highly seismic resistant differential pressure gauge according to claim 1, characterized in that: the polarization damping energy absorption device (3) comprises two locking seats (301), the two locking seats (301) are respectively arranged on two external tubes (2), the surface of each external seat is fixedly connected with a lantern ring (302), the number of the lantern rings (302) is four, the four lantern rings (302) are distributed on the two locking seats (301) in a group of two, the lantern rings (302) are movably sleeved on the surface of the external tube (2), and the surface of each lantern ring (302) is screwed with a diameter adjusting bolt (303) matched with the external tube (2) through a screw hole;
the self-vibration attenuation mechanism (4) is arranged on one side opposite to the surface of the lantern ring (302) in the same group and is attached to the external connecting pipe (2);
the surface welding of lock joint seat (301) has slow potential spring (304), the one end welding that lock joint seat (301) was kept away from in slow potential spring (304) has cassette (305), two there is quality ball (306) through caulking groove fixedly connected with cassette (305) relative one side on surface.
3. A highly seismic differential pressure gauge according to claim 2, characterized in that: the self-vibration attenuation mechanism (4) comprises elastic ropes (401), two ends of each elastic rope (401) are respectively and fixedly connected to two lantern rings (302) of the same group, the number of the elastic ropes (401) is ten, the elastic ropes (401) are distributed in a semi-annular mode along the surfaces of the two lantern rings (302), and rubber sleeves (402) which are attached to the outer connecting pipes (2) are sleeved on the surfaces of the elastic ropes (401) in an interference mode.
4. A highly seismic resistant differential pressure gauge according to claim 1, characterized in that: and a transparent observation plate matched with the polarization damping energy absorption device (3) and the self-vibration attenuation mechanism (4) is embedded in the side edge of the surface of the bottom shell (6).
5. A highly seismic resistant differential pressure gauge according to claim 1, characterized in that: concave-convex pads matched with the external connecting pipe (2) and the polarization damping energy absorption device (3) are bonded on the inner wall of the bottom shell (6).
6. A highly seismic differential pressure gauge according to claim 2, characterized in that: the locking seat (301), the lantern ring (302) and the clamping seat (305) are all made of plastic steel materials.
7. A highly seismic differential pressure gauge according to claim 2, characterized in that: the surface of the locking seat (301) is hinged with a spring buckle matched with the relief spring (304).
8. A highly seismic differential pressure gauge according to claim 2, characterized in that: the surface of the lantern ring (302) and the surface of the external connecting pipe (2) are provided with alignment scales matched with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110681076.5A CN113418650B (en) | 2021-06-18 | 2021-06-18 | Differential pressure gauge with high shock resistance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110681076.5A CN113418650B (en) | 2021-06-18 | 2021-06-18 | Differential pressure gauge with high shock resistance |
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| CN113418650A true CN113418650A (en) | 2021-09-21 |
| CN113418650B CN113418650B (en) | 2024-04-19 |
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| Publication number | Publication date |
|---|---|
| CN113418650B (en) | 2024-04-19 |
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