CN113607326A - Digital pressure gauge - Google Patents
Digital pressure gauge Download PDFInfo
- Publication number
- CN113607326A CN113607326A CN202111176451.7A CN202111176451A CN113607326A CN 113607326 A CN113607326 A CN 113607326A CN 202111176451 A CN202111176451 A CN 202111176451A CN 113607326 A CN113607326 A CN 113607326A
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- Prior art keywords
- pressure
- assembly
- fixedly connected
- inner cavity
- pressure relief
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L7/00—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
- G01L7/02—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges
- G01L7/022—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges constructional details, e.g. mounting of elastically-deformable gauges
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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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- 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
- G01L19/0007—Fluidic connecting 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
- G01L19/06—Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
- G01L19/0618—Overload protection
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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
- G01L19/0672—Leakage or rupture protection or detection
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a digital pressure gauge, which belongs to the technical field of measuring equipment and comprises an assembly box, wherein the bottom of the assembly box is communicated with an inner core pipe, the outer side wall of the inner core pipe is fixedly provided with a connecting flange, the top of the assembly box is provided with a pressure assembly, the top of the pressure assembly is movably connected with a protection assembly, and the inner cavity of the assembly box is movably connected with a clamping component. According to the invention, the pressure medium can be collected and drained to the bottom pressure relief pipe through the liquid storage tank in the inner cavity of the liquid collection tank shell and enters the protection assembly, so that the damage of the front end of the protection shell and the pressure gauge body caused by impact is avoided, the emergency protection after the pressure gauge body is broken due to the fact that the pressure medium exceeds the threshold value is favorably realized, the impact damage to the external environment caused by the direct splashing of the pressing medium is avoided, the emergency response time during leakage is provided, the emergency evacuation or emergency rescue and application of workers are favorably realized, and the use and protection safety can be effectively improved.
Description
Technical Field
The invention belongs to the technical field of measuring equipment, and particularly relates to a digital pressure gauge.
Background
The pressure gauge is an instrument which takes an elastic element as an elastic sensitive element for measuring and indicating the environmental pressure, has wide application, is multipurpose in a pipe network, is convenient for transmission attack and measurement, and is a pressure instrument which converts elastic deformation into an electric signal for display through a miniature circuit.
Chinese patent CN107478373A discloses a manometer prevents frostbite, including the gauge outfit, the bottom fixedly connected with of gauge outfit draws the pipe, the surface cover that draws the pipe is equipped with the protective sheath, the protective sheath is including the casing, the inner chamber of casing is provided with antifreeze, one side of casing is provided with the heater strip, one side that the heater strip was kept away from to the casing is provided with the heat preservation, the back fixedly connected with guard box of gauge outfit, the left side fixedly connected with singlechip of guard box inner chamber bottom, the gauge outfit back just is located one side fixedly connected with temperature sensor of guard box inner chamber, the right side fixedly connected with power of guard box inner chamber bottom. According to the invention, through the matched use of the protective sleeve, the shell, the antifreeze, the heating wire, the heat preservation layer, the single chip microcomputer, the temperature sensor, the power supply detection module and the indicator lamp, the pressure gauge can be protected from freezing in cold winter, but in actual use, as the instrument has higher requirements on material performance between cold and heat conversion, the shell is easy to crack due to repeated temperature rise, further the ejection of an internal pressure medium through a damaged meter body is influenced, danger is brought to a working environment near a pressure measuring point, and the use requirement can not be well met.
Disclosure of Invention
The invention aims to: the digital pressure gauge is provided for solving the problem that the instrument has higher requirements on material performance between cold and hot transformation, and the shell is easy to break due to repeated temperature rise, so that the ejection of an internal pressure medium through a damaged gauge body is influenced, and the danger is brought to the working environment near a pressure measuring point.
In order to achieve the purpose, the invention adopts the following technical scheme:
a digital pressure gauge comprises an assembly box, wherein the bottom of the assembly box is communicated with an inner core pipe, a connecting flange is fixedly arranged on the outer side wall of the inner core pipe, a pressure assembly is arranged at the top of the assembly box, the top of the pressure assembly is movably connected with a protection assembly, a clamping part is movably connected with an inner cavity of the assembly box, the clamping part is movably connected with a groove inner cavity formed in the bottom of a protection shell, a pressure relief assembly is fixedly connected to the bottom of the assembly box, and the pressure relief assembly is sleeved outside the inner core pipe;
pressure assembly includes the protection casing, protection casing fixed mounting is at assembly box top, and protective housing inner chamber fixedly connected with collecting tank shell, the reservoir has been seted up to collecting tank shell inner chamber, collecting tank shell inner chamber one side fixedly connected with pressure relief board, and the pressure relief board is located reservoir one side and corresponds the position, and the fixed manometer body that is equipped with of pressure relief board opposite side, and pressure relief board inner chamber one side has seted up the energy-absorbing groove for broken pressure release after the pressure increase, manometer body bottom has set firmly pressure sensing element, pressure sensing element locates assembly box inner chamber one side.
As a further description of the above technical solution:
one side of the bottom of the liquid collecting tank shell is communicated with a pressure relief pipe, the other end of the pressure relief pipe penetrates through the assembly box and is communicated with the bottom pressure relief assembly, and the outer side of the middle of the pressure relief pipe is embedded in the bottom of an inner cavity of the assembly box.
As a further description of the above technical solution:
the cross section of the liquid storage tank is annular, and the width of the inner cavity of the liquid storage tank is smaller than that of the inner cavity of the liquid collecting tank shell.
As a further description of the above technical solution:
the protection component comprises a protection cover, the protection cover comprises an arc-shaped portion and an arc-shaped portion two-side integrated connection step mounting portion, a shaft sleeve is embedded into the top of the step mounting portion, a safety body is connected to the inner cavity of the shaft sleeve in a sliding mode, a top fixed connection ejector block of the safety body is connected to the top of the arc-shaped portion, a pressure reducing cover is fixedly connected to the bottom of the arc-shaped portion and is a compression plastic cover, a fixed block is fixedly connected to the bottom of the safety body, the fixed block is fixedly connected to the top of a pressure gauge body, and the arc-shaped portion of the protection cover is a metal elastic part.
As a further description of the above technical solution:
the safety body is a glass body, an inner cavity of the safety body is provided with an induction alarm element, and the cross section of the safety body is arc-shaped.
As a further description of the above technical solution:
the pressure eliminating assembly comprises a pressure eliminating cover, the top of the pressure eliminating cover is fixedly connected with an order installing ring, the top of an inner cavity of the order installing ring is provided with a sealing cover, the order installing ring is fixedly connected with a bottom assembling box, the pressure eliminating cover is a pressure-resistant elastic cover body, the pressure eliminating cover is sleeved outside an inner core pipe, and the bottoms of two sides of the inner cavity of the pressure eliminating cover are fixedly connected with energy absorbing sleeves, the bottom of each energy absorbing sleeve is fixedly connected with an energy absorbing block, and the energy absorbing sleeves on two sides are mutually far away from a side surface and fixedly connected with a butt plate for absorbing pressure to realize the enhancement of sealing pressure.
As a further description of the above technical solution:
the inner cavity of the energy-absorbing sleeve is fixedly connected with a friction pad, the friction pad can be pressed to be attached to the inner core pipe, and the energy-absorbing block is fixedly connected to the bottom of the pressure-dissipating cover in a closed mode.
As a further description of the above technical solution:
the joint part includes the cardboard of two relative settings, and the cardboard keeps away from the articulated piece of the equal fixedly connected with in one side mutually, articulated piece one side inlays and is equipped with the pin pole, and pin pole fixed mounting is in assembly box inner chamber one side, cardboard top activity joint is in the draw-in groove that the protective housing bottom was seted up, the equal swing joint in assembly box inner chamber both sides has the push pedal, and push pedal one side fixedly connected with push rod, and push rod one end fixedly connected with handle, the push rod lateral wall cover is equipped with push rod cover, and push rod cover inlays and locates assembly box inner chamber one side.
As a further description of the above technical solution:
one side of the clamping part is fixedly connected with a clamping block, the clamping block is clamped in the clamping groove, and the cross section shapes of the clamping block and the clamping groove are matched.
As a further description of the above technical solution:
the assembly box is characterized in that elastic plates are fixedly connected to two sides of an inner cavity of the assembly box, clamping rods are fixedly connected to one sides of the elastic plates, the clamping rods are attached to one sides of inner cavities of the clamping plates, the cross sections of the elastic plates are arc-shaped, and the elastic plates are metal elastic members.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. in the invention, after the pressure assembly is communicated with the pressure pipe network through the external connecting flange of the inner core pipe, when the pressure continuously rises and exceeds a corresponding limit, the pressurized liquid medium is received in the pressure gauge body through the pressure relief plate at one side, when the external energy absorption groove of the pressure relief plate exceeds a material threshold due to overlarge pressure, the pressure relief plate can break towards one side of the liquid collection tank shell through the energy absorption groove arranged at one side, the pressure medium can collect and drain the medium to the pressure relief pipe at the bottom through the liquid storage groove in the inner cavity of the liquid collection tank shell and enter the protection assembly, the damage of the front end of the protection shell and the pressure gauge body caused by impact is avoided, the emergency protection after the pressure gauge body breaks when the pressure medium exceeds the threshold is favorably realized, the impact damage of the external environment caused by the direct splashing of the pressing medium is avoided, the emergency reaction time during leakage is provided, and the emergency evacuation or emergency rescue of workers is facilitated, and then can effectively improve and use protection security.
2. According to the invention, through the designed pressure relief assembly, after a medium with pressure relieved from the top enters the top pressure relief cover through the pressure relief pipe, the pressure relief cover can counteract the impact force of the medium through the flexibility of the pressure relief cover, so that the contact injury to nearby personnel due to the impact of the pressure medium can be further avoided, the medium solvent pressure in the pressure relief cover can drive the inner energy absorption sleeve and the energy absorption block to extrude and limit the inner core pipe through the bearing of the contact surfaces of the medium by the abutting plates at the two sides, and further, the extrusion and fixation treatment on the inner core pipe can be effectively realized through the enhancement of the internal pressure of the pressure relief cover, and the flow rate equivalent of the medium in the inner core pipe is reduced.
3. According to the invention, when the assembly box is assembled with the protection shell at the corresponding position, the push rod at one side drives the clamping plate at one side to rotate around the hinge block at one side, when the top of the clamping plate is pressed and stressed to be close to each other, the assembly box drives the clamping plate at the top to be inserted into the groove at the bottom of the protection shell, the assembly box can be clamped and assembled with the protection shell, the clamping plate can be in full contact with the clamping groove for limiting through the clamping block at one side, so that the assembly treatment of the protection shell, the assembly box and the internal pressure sensing element can be realized through modularized assembly, and the abutting energy absorption of the clamping plate at one side can be realized through the elastic plates at two sides, so that the sealing treatment of the connecting position is realized.
4. According to the invention, through the designed elastic plate, when the pressure of the fluid medium in the equipment exceeds the elastic threshold of the elastic plate, the assembly box is separated from the pressure assembly, the pressure sensing element is prevented from being damaged due to the impact of the high-pressure medium on the pressure sensing element, the service life of the pressure sensing element is effectively prolonged, and the danger coping capability of the pressure sensing element is effectively improved.
5. According to the invention, after the pressure medium in the pressure relief assembly is continuously increased, the fuse body in the protective shell can be broken under the action of pressure, the broken fuse body is not limited by the corresponding protective cover, the protective cover can be used for coating the pressure assembly by unfolding the pressure reduction cover at the bottom, so that the upward flying liquid is prevented from splashing under the action of the fluid, the medium impact pressure can be further counteracted, the medium splashing range in a pipe network is reduced, the subsequent treatment difficulty is effectively reduced, and the overall applicability is improved.
Drawings
Fig. 1 is a schematic perspective view of a digital pressure gauge according to the present invention;
FIG. 2 is a schematic diagram of a split structure of a digital pressure gauge according to the present invention;
FIG. 3 is a schematic view of a clamping component assembly structure of a digital pressure gauge according to the present invention;
FIG. 4 is a schematic view of an assembly structure of a pressure relief assembly of a digital pressure gauge according to the present invention;
FIG. 5 is a schematic diagram of a disassembled structure of a pressure assembly of a digital pressure gauge according to the present invention;
FIG. 6 is a schematic perspective view of a protection assembly of a digital pressure gauge according to the present invention;
fig. 7 is a schematic view of an assembly structure of a pressure relief assembly of a digital pressure gauge according to the present invention.
Illustration of the drawings:
1. assembling a box; 2. a pressure assembly; 201. a protective housing; 202. a liquid collecting tank shell; 203. a liquid storage tank; 204. a pressure relief pipe; 205. a pressure relief plate; 206. an energy absorption groove; 207. a pressure gauge body; 208. a pressure-sensitive element; 3. a pressure relief assembly; 301. a pressure relief cover; 302. an energy absorbing block; 303. an energy absorbing sleeve; 304. a butt joint plate; 4. a guard assembly; 401. a protective cover; 402. a pressure reducing hood; 403. a shaft sleeve; 404. a fuse body; 405. a top block; 406. a fixed block; 5. a connecting flange; 6. an inner core tube; 7. a clip member; 701. clamping a plate; 702. a clamping block; 703. a push rod; 704. a hinged block; 705. a pin rod; 706. an elastic plate.
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. 1-7, the present invention provides a technical solution: a digital pressure gauge comprises an assembly box 1, wherein the bottom of the assembly box 1 is communicated with an inner core pipe 6, a connecting flange 5 is fixedly arranged on the outer side wall of the inner core pipe 6, a pressure assembly 2 is arranged at the top of the assembly box 1, the top of the pressure assembly 2 is movably connected with a protection assembly 4, an inner cavity of the assembly box 1 is movably connected with a clamping component 7, the clamping component 7 is movably connected with an inner cavity of a groove formed in the bottom of a protection shell 201, a pressure eliminating assembly 3 is fixedly connected to the bottom of the assembly box 1, and the pressure eliminating assembly 3 is sleeved outside the inner core pipe 6;
The implementation mode is specifically as follows: when the pressure of the bottom pressure assembly 2 is continuously increased to exceed the corresponding limit after being communicated with a pressure pipe network through the external connecting flange 5 of the inner core pipe 6, the pressure gauge body 207 receives the pressurized liquid medium through the pressure relief plate 205 on one side, when the external energy absorption groove 206 of the pressure relief plate 205 exceeds the material threshold due to overlarge pressure, the pressure relief plate 205 can break towards one side of the liquid collection groove shell 202 through the energy absorption groove 206 arranged on one side, the energy absorption groove 206 can realize the sufficient absorption capacity for the medium pressure through the annular groove body, the pressure medium can realize the collection and drainage for the medium to the bottom pressure relief pipe 204 and enter the protection assembly 4 through the liquid storage groove 203 in the inner cavity of the liquid collection groove shell 202, the damage of the front end of the protection shell 201 and the pressure gauge body 207 due to impact caused by impact is avoided, the emergency protection after the pressure gauge body 207 breaks due to the pressure medium exceeding the threshold is facilitated, and the impact damage caused by the direct splashing of the pressing medium to the external environment is avoided, the emergency response time during leakage is provided, so that the emergency evacuation or emergency repair rescue of the working personnel is facilitated, and the use and protection safety can be effectively improved.
One side of the bottom of the liquid collecting tank shell 202 is communicated with a pressure relief pipe 204, the other end of the pressure relief pipe 204 passes through the assembly box 1 and is communicated with the bottom pressure relief assembly 3, and the outer side of the middle part of the pressure relief pipe 204 is embedded at the bottom of the inner cavity of the assembly box 1;
the protection component 4 comprises a protection cover 401, the protection cover 401 comprises an arc-shaped portion and an arc-shaped portion both sides integrally connected step mounting portion, a shaft sleeve 403 is embedded at the top of the step mounting portion, a safety body 404 is slidably connected to an inner cavity of the shaft sleeve 403, a top fixed connection top block 405 of the safety body 404 is arranged, a bottom fixed connection pressure reducing cover 402 is arranged at the bottom of the arc-shaped portion, the pressure reducing cover 402 is a compressed plastic cover, a bottom fixed connection fixed block 406 of the safety body 404 is fixedly connected to the top of a pressure gauge body 207, the arc-shaped portion of the protection cover 401 is a metal elastic part, the safety body 404 is a glass body, an inner cavity of the safety body 404 is provided with an induction alarm element, the cross section of the safety body 404 is arc-shaped, the pressure reducing component 3 comprises a pressure reducing cover 301, a top fixed connection step mounting ring of the pressure reducing cover 301 is arranged at the top of the step mounting ring, a closed cover is arranged at the top of the inner cavity of the step mounting ring, and the step mounting ring is fixedly connected with a bottom mounting box 1, and the cover 301 that disappears is the withstand voltage elasticity cover body, and disappears and press the cover 301 cover to establish outside inner core pipe 6, and disappears and press the equal fixedly connected with energy-absorbing cover 303 in cover 301 inner chamber both sides bottom, energy-absorbing cover 303 bottom fixedly connected with energy-absorbing piece 302, and both sides energy-absorbing cover 303 keeps away from the equal fixedly connected with butt plate 304 in a side mutually for the reinforcing that absorbed pressure realized confined pressure, energy-absorbing cover 303 inner chamber fixedly connected with friction pad, and the friction pad can be pressed and inner core pipe 6 is laminated mutually, energy-absorbing piece 302 seals fixed connection and corresponds the position in cover 301 bottom that disappears.
As shown in fig. 1-2 and 5-7, the embodiment specifically is as follows: through the designed pressure relief assembly 3, after a medium with pressure relieved at the top enters the top pressure relief cover 301 through the pressure relief pipe 204, the pressure relief cover 301 can contain the entering medium through a flexible mechanism, and simultaneously can offset the impact force of the medium through the pressure relief cover 301, so that the contact injury to nearby personnel caused by the impact of the pressure medium can be further avoided, and meanwhile, when the pressure medium is continuously introduced into the pressure relief cover 301 at a corresponding position, the medium solvent pressure in the pressure relief cover 301 can drive the inner energy absorption sleeve 303 and the energy absorption block 302 to extrude and limit the inner core pipe 6 through the bearing of the medium contact surfaces of the two side abutting plates 304, so that the extrusion and fixation treatment on the inner core pipe 6 can be effectively realized through the enhancement of the internal pressure of the pressure relief cover 301, the flow rate equivalent of the medium in the inner core pipe 6 is reduced, the arc-shaped abutting plates 304 can improve the contact surfaces of the medium, and the conduction treatment of the impact pressure is ensured, and the friction pad in the energy-absorbing sleeve 303 can improve the contact and attachment capacity of the inner core pipe 6, meanwhile, the pressure relief cover 301 can improve the protection processing capacity through a top step ring, meanwhile, after the pressure medium is continuously increased, the safety body 404 in the protection shell 201 can break under the action of pressure, the broken safety body 404 does not limit the corresponding protection cover 401 any more, the protection cover 401 can realize the coating processing of the pressure assembly 2 through unfolding the pressure relief cover 402 at the bottom, meanwhile, the medium can be blocked and connected through the butt after the protection cover 401 is unfolded and flows to the ground, the splashing of the upward flying liquid under the action of the fluid is avoided, the medium impact pressure can be offset, the medium splashing range in a pipe network is reduced, the subsequent processing difficulty is effectively reduced, and the overall applicability is improved.
The clamping part 7 comprises two clamping plates 701 which are oppositely arranged, one side of each clamping plate 701, which is far away from the other side, is fixedly connected with a hinging block 704, one side of each hinging block 704 is embedded with a pin 705, the pin 705 is fixedly assembled on one side of the inner cavity of the assembling box 1, the top of each clamping plate 701 is movably clamped in a clamping groove formed in the bottom of the protective shell 201, two sides of the inner cavity of the assembling box 1 are movably connected with a push plate, one side of each push plate is fixedly connected with a push rod 703, one end of each push rod 703 is fixedly connected with a handle, the outer side wall of each push rod 703 is sleeved with a push rod sleeve, the push rod sleeves are embedded on one side of the inner cavity of the assembling box 1, one side of the clamping part 7 is fixedly connected with a clamping block 702, the clamping block 702 is clamped in the clamping groove, the cross section shapes of the clamping block 702 and the clamping groove are matched, two sides of the inner cavity of the assembling box 1 are fixedly connected with elastic plates 706, and one side of the clamping rods are fixedly connected with the clamping plates 706, and the clamping rod is attached to one side of the inner cavity of the clamping plate 701, the cross section of the elastic plate 706 is arc-shaped, and the elastic plate 706 is a metal elastic member.
As shown in fig. 2 to 3, the embodiment specifically is: through the designed clamping part 7, when the assembling box 1 is assembled with the protection shell 201 at the corresponding position, the pin rod 705 can be rotated by pressing the side push rod 703 to drive the side clamping plate 701 to surround the side hinging block 704, when the tops of the clamping plates 701 are close to each other due to the pressing force of one side, the assembling box 1 is held to drive the top clamping plate 701 to be inserted into the groove at the bottom of the protection shell 201, the assembling box 1 can be clamped and assembled with the protection shell 201, the clamping plates 701 can be fully contacted and limited with the clamping groove through the side clamping block 702, meanwhile, the limitation on the hinging axial angle of the side clamping plate 701 is realized through the elastic plate 706, and after the pressure exceeds the elastic threshold of the elastic plate 706, the assembling box 1 and the pressure component 2 are separated, the pressure sensing element 208 is prevented from being damaged due to the impact of a high-pressure medium, the service life and the danger response capability are effectively improved, therefore, the assembly processing of the protection shell 201, the assembly box 1 and the internal pressure sensing element 208 can be realized through modular assembly, the abutting energy absorption of the clamping plate 701 on one side can be realized through the elastic plates 706 on the two sides, the sealing processing of the connecting position is realized, and meanwhile, the whole disassembly and maintenance processing are convenient.
The working principle is as follows: when in use, after the bottom pressure assembly 2 is communicated with a pressure pipe network through the external connecting flange 5 of the inner core pipe 6, when the pressure continuously rises and exceeds the corresponding limit, the pressure gauge body 207 receives the pressurized liquid medium through the pressure relief plate 205 on one side, when the external energy absorption groove 206 of the pressure relief plate 205 exceeds the material threshold value due to overlarge pressure, the pressure relief plate 205 can break towards one side of the liquid collection groove shell 202 through the energy absorption groove 206 arranged on one side, the energy absorption groove 206 can realize the full absorption capacity to the medium pressure through the annular groove body, the pressure medium can realize the collection and drainage to the medium through the liquid storage groove 203 in the inner cavity of the liquid collection groove shell 202 to the bottom pressure relief pipe 204 and enter the protection assembly 4, when the medium with the pressure relieved from the top enters the top pressure relief cover 301 through the pressure relief pipe 204, the pressure relief cover 301 can realize the accommodation to the medium through the flexible mechanism of the pressure relief cover 301, and simultaneously can offset the impact force of the medium through the pressure relief cover 301, then, contact injury to nearby people caused by impact of pressure media can be further avoided, meanwhile, when the pressure media are continuously introduced into the pressure relief cover 301 at the corresponding position, the pressure of the medium solvent in the pressure relief cover 301 can drive the inner energy absorption sleeve 303 and the energy absorption block 302 to extrude and limit the inner core tube 6 through the connection of the abutting plates 304 at two sides on the medium contact surface, the pressure relief cover 301 can improve the protection processing capacity through a top step ring, meanwhile, after the pressure media are continuously increased, the safety body 404 in the protection shell 201 can break under the action of pressure, the broken safety body 404 does not limit the corresponding protection cover 401 any more, and the protection cover 401 can realize the coating processing on the pressure assembly 2 through unfolding the pressure relief cover 402 at the bottom;
when assembly box 1 assembles with corresponding position protection casing 201, can drive one side cardboard 701 and realize the rotation to pin 705 around one side articulated piece 704 through pressing one side push rod 703, be close to each other because of the atress of pressing of one side when cardboard 701 top, drive top cardboard 701 through holding assembly box 1 this moment and insert into protection casing 201 bottom cell body, assembly box 1 can realize the joint assembly with protection casing 201 this moment, and cardboard 701 can realize through one side fixture block 702 with the draw-in groove in the abundant contact spacing.
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 considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The digital pressure gauge comprises an assembly box (1), wherein the bottom of the assembly box (1) is communicated with an inner core pipe (6), and a connecting flange (5) is fixedly installed on the outer side wall of the inner core pipe (6), and is characterized in that a pressure assembly (2) is arranged at the top of the assembly box (1), a protection assembly (4) is movably connected to the top of the pressure assembly (2), a clamping component (7) is movably connected to the inner cavity of the assembly box (1), the clamping component (7) is movably connected with a groove inner cavity formed in the bottom of a protection shell (201), a pressure relief assembly (3) is fixedly connected to the bottom of the assembly box (1), and the pressure relief assembly (3) is sleeved outside the inner core pipe (6);
the pressure assembly (2) comprises a protection shell (201), the protection shell (201) is fixedly installed at the top of the assembly box (1), a liquid collecting tank shell (202) is fixedly connected to an inner cavity of the protection shell (201), a liquid storage tank (203) is formed in the inner cavity of the liquid collecting tank shell (202), a pressure relief plate (205) is fixedly connected to one side of the inner cavity of the liquid collecting tank shell (202), the pressure relief plate (205) is located at a position corresponding to one side of the liquid storage tank (203), a pressure gauge body (207) is fixedly installed on the other side of the pressure relief plate (205), an energy absorption tank (206) is formed in one side of the inner cavity of the pressure relief plate (205) and used for breaking and relieving pressure after pressure is increased, a pressure sensing element (208) is fixedly installed at the bottom of the pressure gauge body (207), and the pressure sensing element (208) is arranged on one side of the inner cavity of the assembly box (1);
protection subassembly (4) are including protection casing (401), protection casing (401) include arc portion and arc portion both sides body coupling's rank dress portion, and rank dress portion top inlays and is equipped with axle sleeve (403), and axle sleeve (403) inner chamber sliding connection have insurance body (404), and insurance body (404) top fixed connection kicking block (405), arc portion bottom fixedly connected with decompression cover (402), and decompression cover (402) are the compression plastic cover, and insurance body (404) bottom fixedly connected with fixed block (406), fixed block (406) fixed connection is at manometer body (207) top, the arc portion of protection casing (401) is metal elastic component.
2. The digital pressure gauge according to claim 1, wherein a pressure relief pipe (204) is communicated with one side of the bottom of the sump housing (202), the other end of the pressure relief pipe (204) passes through the assembly box (1) and is communicated with the bottom pressure relief assembly (3), and the outer side of the middle part of the pressure relief pipe (204) is embedded at the bottom of the inner cavity of the assembly box (1).
3. A digital pressure gauge according to claim 1, wherein the reservoir (203) has an annular cross-sectional shape and the width of the interior of the reservoir (203) is less than the width of the interior of the sump housing (202).
4. The digital pressure gauge according to claim 1, wherein the safety body (404) is a glass body, an inner cavity of the safety body (404) is provided with an induction alarm element, and the cross section of the safety body (404) is arc-shaped.
5. The digital pressure gauge according to claim 1, wherein the pressure relief assembly (3) comprises a pressure relief cover (301), a stepped ring is fixedly connected to the top of the pressure relief cover (301), a sealing cover is arranged on the top of an inner cavity of the stepped ring, the stepped ring is fixedly connected to the bottom assembly box (1), the pressure relief cover (301) is a pressure-resistant elastic cover body, the pressure relief cover (301) is sleeved outside the inner core tube (6), energy absorption sleeves (303) are fixedly connected to the bottoms of two sides of the inner cavity of the pressure relief cover (301), energy absorption blocks (302) are fixedly connected to the bottoms of the energy absorption sleeves (303), and abutting plates (304) are fixedly connected to one side of the two sides of the energy absorption sleeves (303) away from each other for enhancing the sealing pressure.
6. A digital pressure gauge according to claim 5, characterized in that the friction pad is fixedly connected to the inner cavity of the energy-absorbing sleeve (303) and can be pressed to fit with the inner core tube (6), and the energy-absorbing block (302) is fixedly connected to the bottom of the pressure-absorbing cover (301) in a sealing manner.
7. The digital pressure gauge according to claim 1, wherein the clamping part (7) comprises two clamping plates (701) which are oppositely arranged, one side of each clamping plate (701) which is far away from the other side of each clamping plate (701) is fixedly connected with a hinge block (704), one side of each hinge block (704) is embedded with a pin rod (705), the pin rods (705) are fixedly assembled on one side of the inner cavity of the assembling box (1), the tops of the clamping plates (701) are movably clamped in clamping grooves formed in the bottom of the protecting shell (201), two sides of the inner cavity of the assembling box (1) are movably connected with push plates, one sides of the push plates are fixedly connected with push rods (703), one ends of the push rods (703) are fixedly connected with handles, and the outer side walls of the push rods (703) are sleeved with push rod sleeves which are embedded in one side of the inner cavity of the assembling box (1).
8. The digital pressure gauge according to claim 7, wherein a clamping block (702) is fixedly connected to one side of the clamping component (7), the clamping block (702) is clamped in the clamping groove, and the cross-sectional shapes of the clamping block (702) and the clamping groove are matched.
9. The digital pressure gauge according to claim 8, wherein an elastic plate (706) is fixedly connected to each of two sides of the inner cavity of the assembly box (1), a clamping rod is fixedly connected to one side of the elastic plate (706), the clamping rod is attached to one side of the inner cavity of the clamping plate (701), the cross section of the elastic plate (706) is arc-shaped, and the elastic plate (706) is a metal elastic member.
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| CN202111176451.7A CN113607326B (en) | 2021-10-09 | 2021-10-09 | Digital pressure gauge |
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| CN202111176451.7A CN113607326B (en) | 2021-10-09 | 2021-10-09 | Digital pressure gauge |
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| CN114608740A (en) * | 2022-03-10 | 2022-06-10 | 杨继锋 | Oil field has oil pressure seat that has manometer protect function |
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| CN113607326B (en) | 2021-12-07 |
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