CN217384553U - Automatic pressure relief structure and pressure gauge - Google Patents
Automatic pressure relief structure and pressure gauge Download PDFInfo
- Publication number
- CN217384553U CN217384553U CN202221492566.7U CN202221492566U CN217384553U CN 217384553 U CN217384553 U CN 217384553U CN 202221492566 U CN202221492566 U CN 202221492566U CN 217384553 U CN217384553 U CN 217384553U
- Authority
- CN
- China
- Prior art keywords
- pipe
- pressure relief
- connecting pipe
- pressure
- relief structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses an automatic pressure relief structure and a pressure gauge, which comprises a pressure gauge component and a first connecting pipe, wherein the first connecting pipe is communicated with a joint of the pressure gauge component; the fixed pipe is fixedly arranged on one side of the first connecting pipe and is communicated with the first connecting pipe, and a plurality of limiting grooves are formed in the inner wall of the fixed pipe; the rod body is arranged in the limiting groove in a sliding mode, an elastic piece is arranged inside the limiting groove, one end of the elastic piece is fixedly connected with the rod body, and the other end of the elastic piece is fixedly connected with the inner wall of the limiting groove; the pressure release pipe suit is inside the fixed tube, and its outer wall and body of rod sliding connection, the one end that first connecting pipe was kept away from to the pressure release pipe is sealed, and the gas vent has been seted up globally to the pressure release pipe, the utility model discloses a grip block is to the spacing centre gripping of elasticity of pressure release pipe, and the pressure release pipe is when pressure is too big, and fixed intraductal air pressure plays the pushing action to the pressure release pipe, and after the certain distance that slides of pressure release pipe, the accessible exhaust hole plays the effect of exhaust pressure release, and the protection manometer is not damaged when high pressure.
Description
Technical Field
The utility model relates to a pressure measurement equipment technical field, in particular to automatic pressure relief structure and manometer.
Background
The pressure gauge is an instrument which takes an elastic element as a sensitive element and measures and indicates the pressure higher than the environmental pressure, and is widely visible in the fields of heat pipe networks, oil and gas transmission, water and gas supply systems, vehicle maintenance plants and shops and the like. Especially in the industrial process control and technical measurement process, the mechanical pressure gauge is more and more widely applied due to the characteristics of high mechanical strength, convenient production and the like of the elastic sensitive element of the mechanical pressure gauge.
When the installation of manometer was used, was often used for equipment during operation, detected its inside pressure condition to the normal work of guarantee equipment, nevertheless along with user demand's improvement, there is certain not enough in the use of current partial manometer still.
When the existing partial pressure gauge is used, a pressure relief structure suitable for the partial pressure gauge is lacked when the pressure is too large, the pressure can directly act on the pressure gauge, and the pressure gauge can be directly damaged when the pressure is serious, so that the pressure detection work of equipment is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving current partial pressure table and when using, lacking the pressure release structure that is suitable for when pressure is too big, pressure can direct action on the manometer, can directly damage the problem of manometer when serious, provides an automatic pressure release structure.
The utility model provides a pair of automatic pressure release structure, include:
a first connecting pipe;
the fixed pipe is fixedly arranged on one side of the first connecting pipe and communicated with the first connecting pipe, and a plurality of limiting grooves are formed in the inner wall of the fixed pipe;
the rod body is arranged in the limiting groove in a sliding mode, an elastic piece is arranged inside the limiting groove, one end of the elastic piece is fixedly connected with the rod body, and the other end of the elastic piece is fixedly connected with the inner wall of the limiting groove;
the pressure release pipe, the suit is inside the fixed tube, its periphery and the body of rod sliding connection, and the one end that first connecting pipe was kept away from to the pressure release pipe is sealed, and the gas vent has been seted up to the global of keeping away from first connecting pipe one side to the pressure release pipe.
Preferably, the pressure relief pipe further comprises at least two clamping plates arranged inside the fixed pipe, the length direction of the clamping plates is arranged along the axial direction of the fixed pipe, each clamping plate is fixedly connected with a plurality of rod bodies axially corresponding to the fixed pipe, and the pressure relief pipe is connected with the clamping plates in a sliding mode.
Preferably, one end of the pressure relief pipe, which is far away from the first connecting pipe, is fixedly connected with a limiting cover.
Preferably, the bottom of the first connecting pipe is communicated with a second connecting pipe, and a pressure regulating assembly is arranged in the second connecting pipe.
Preferably, the pressure regulating subassembly includes limit sleeve, and the suit is inside the second connecting pipe, and it can dismantle with the second connecting pipe and be connected, and the inside suit of limit sleeve is fixed with threaded sleeve, and the inside threaded connection of threaded sleeve has the outlet duct, and a plurality of venthole has been seted up to the outer peripheral face of outlet duct, and the outlet duct is close to the fixed top cap that is provided with of one end of first connecting pipe.
Preferably, the end of the limiting sleeve deviating from the first connecting pipe is fixedly provided with a mounting ring, and the mounting ring is detachably connected with the end of the second connecting pipe deviating from the first connecting pipe.
Preferably, a gap is reserved between the outer peripheral surface of the threaded sleeve and the inner peripheral surface of the limiting sleeve, a plurality of connecting seats are fixedly arranged on the inner wall of the limiting sleeve, the lower end of the threaded sleeve is in threaded connection with the tops of the connecting seats, a rotating shaft is arranged on one side, away from the inner wall of the limiting sleeve, of the bottom of each connecting seat, the rotating shaft is rotatably connected with two adjacent connecting seats, and the rotating shaft is connected with a shifting piece.
Preferably, the bottom of the connecting seat is fixedly connected with a limiting block, and the limiting block is positioned on the inner side of the rotating shaft.
Compared with the prior art, the utility model provides a pair of automatic pressure relief structure and manometer, its beneficial effect is:
1. the utility model discloses a grip block is to the spacing centre gripping of elasticity of pressure release pipe, and the pressure release pipe is when pressure is too big, and fixed intraductal air pressure plays the pushing action to the pressure release pipe, and through the setting in exhaust hole, after the certain distance that slides of pressure release pipe, the accessible exposes external exhaust hole and plays the effect of exhaust pressure release, provides the pressure release structure who is suitable for then for the use of device, and the protection manometer is not damaged when high pressure.
2. The utility model discloses an outlet duct is adjusted in the rotation to adjust the exposure area of venthole on the outlet duct, thereby adjust the size of second connecting pipe and first connecting pipe and joint inside atmospheric pressure, thereby play the regulation and control effect of the inside atmospheric pressure size of device.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic sectional view of the structure of the limit sleeve of the present invention;
FIG. 3 is a partial enlarged view of the point A in FIG. 2 according to the present invention
Fig. 4 is a schematic view of the connection relationship between the first connection pipe and the second connection pipe of the present invention;
FIG. 5 is a schematic sectional view of the structure of the fixing tube of the present invention;
fig. 6 is a partially enlarged view of the point B in fig. 5 according to the present invention.
Description of reference numerals:
1. a first connecting pipe; 2. a second connecting pipe; 3. a joint; 4. a limiting pipe; 5. a fixed tube; 6. a limiting groove; 7. a rod body; 8. an elastic member; 9. a clamping plate; 10. a limiting cover; 11. a pressure relief pipe; 12. a mounting ring; 13. a limiting sleeve; 14. a connecting seat; 15. a threaded bushing; 16. a pressure gauge assembly; 17. a cover plate; 18. an exhaust hole; 19. a rotating shaft; 20. a shifting sheet; 21. fixing the bolt; 22. an air outlet pipe; 23. a top cover; 24. an air outlet; 25. and a limiting block.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings 1-6, but it should be understood that the scope of the present invention is not limited by the following detailed description.
Example 1
As shown in fig. 1 and fig. 4 to 6, the automatic pressure relief structure provided by the present invention comprises a first connecting pipe 1 for communicating with a joint 3 of a pressure gauge assembly 16; the fixed pipe 5 is fixedly arranged on one side of the first connecting pipe 1 and communicated with the first connecting pipe 1, and a plurality of limiting grooves 6 are formed in the inner wall of the fixed pipe 5; the rod body 7 is arranged in the limiting groove 6 in a sliding mode, an elastic piece 8 is arranged inside the limiting groove 6, one end of the elastic piece 8 is fixedly connected with the rod body 7, and the other end of the elastic piece 8 is fixedly connected with the inner wall of the limiting groove 6; the pressure release pipe 11 suit is inside fixed pipe 5, and its periphery and the body of rod 7 sliding connection, the one end that first connecting pipe 1 was kept away from to pressure release pipe 11 seals, and a plurality of gas vents 18 have been seted up to the pressure release pipe 11 global of keeping away from first connecting pipe 1 one side.
During the use, the pressure release pipe 11 of body of rod 7 in the fixed pipe 5 of UI carries out the centre gripping under the elastic force effect of elastic component 8, and when the pressure in first connecting pipe 1 was too high, atmospheric pressure promoted pressure release pipe 11 and moves towards the direction of keeping away from first connecting pipe 1 in fixed pipe 5 is inside, removes fixed pipe 5 with gas vent 18, and gas is discharged from gas vent 18 and is carried out the pressure release.
In order to strengthen the clamping effect on the pressure relief pipe 11, the pressure relief pipe further comprises at least two clamping plates 9 arranged inside the fixed pipe 5, the length direction of the clamping plates is arranged along the axial direction of the fixed pipe 5, each clamping plate 9 is fixedly connected with the plurality of rod bodies 7 corresponding to the fixed pipe 5 in the axial direction, the pressure relief pipe 11 is connected with the clamping plates 9 in a sliding mode, the clamping plates 9 can select cushion pads made of anti-skid materials, and the elastic pieces 8 can select buffer springs.
In order to prevent the pressure relief pipe 11 from being sucked into the first connection pipe 1 to block the first connection pipe 1 when the pressure is low, a limiting cover 10 is fixedly arranged at one end of the pressure relief pipe 11 far away from the first connection pipe 1.
In order to prevent the high pressure from pushing the pressure relief pipe 11 out of the fixed pipe 5, a first limiting ring is fixedly arranged on the inner wall of one end, far away from the first connecting pipe 1, of the fixed pipe 5, a sealing ring is fixedly arranged on the inner wall of the first limiting ring, the sealing ring is connected with the outer peripheral surface of the pressure relief pipe 11 in a sealing mode, and a meshed cover plate 17 is fixedly connected to one end, far away from the limiting cover 10, of the pressure relief pipe 11.
Working principle of the embodiment
The embodiment provides an automatic pressure relief structure, when using, through the setting of first connecting pipe 1 and fixed pipe 5, the device installs and uses manometer subassembly 16 through second connecting pipe 2 when using, gaseous back in entering into first connecting pipe 1 through second connecting pipe 2, and enter into manometer subassembly 16 through joint 3, thereby play the effect of pressure detection, accessible spacing groove 6 in the fixed pipe 5, body of rod 7, grip block 9 and elastic component 8 set up, through the resilience of elastic component 8, play the effect of spacing centre gripping to pressure release pipe 11 through the size of its resilience dynamics, the atmospheric pressure plays the pushing action to pressure release pipe 11 in the fixed pipe 5, thereby increase the spacing centre gripping nature of grip block 9, then play spacing joint effect to pressure release pipe 11, then the device is when using, when first connecting pipe 1 presses excessively, play the pushing action to pressure release pipe 11 through netted apron 17, after the pressure relief pipe 11 slides for a certain distance, the exhaust hole 18 is exposed to play a role in exhausting and relieving pressure, so that the device can relieve pressure in time.
Example 2
As shown in fig. 1, fig. 2 and fig. 3, on the basis of embodiment 1, the utility model provides an automatic pressure relief structure, still including setting up second connecting pipe 2 in 1 one end of first connecting pipe, second connecting pipe 2 and 1 intercommunication of first connecting pipe, the inside pressure regulating subassembly that is provided with of second connecting pipe 2.
In this embodiment, the pressure regulating subassembly includes limit sleeve 13, and the suit is inside second connecting pipe 2, and can dismantle with second connecting pipe 2 and be connected, and the inside suit of limit sleeve 13 is fixed with threaded sleeve 15, and the inside threaded connection of threaded sleeve 15 has outlet duct 22, and a plurality of venthole 24 has been seted up to the outer peripheral face of outlet duct 22, and outlet duct 22 is close to the fixed top cap 23 that is provided with of one end of first connecting pipe 1.
The connection mode of the limiting sleeve 13 and the second connecting pipe 2 can be selected to fixedly arrange a mounting ring 12 at one end of the limiting sleeve 13 deviating from the first connecting pipe 1, and the mounting ring 12 and one end of the second connecting pipe 2 deviating from the first connecting pipe 1 can be detachably connected. The periphery of the bottom of the mounting ring 12 is threaded and connected with a fixing bolt 21, and the front end of the fixing bolt 21 is threaded and connected to the bottom of the second connecting pipe 2.
In order to further adjust the air pressure, a gap is left between the outer peripheral surface of the threaded sleeve 15 and the inner peripheral surface of the limiting sleeve 13, a plurality of connecting seats 14 are fixedly arranged on the inner wall of the limiting sleeve 13, the lower end of the threaded sleeve 15 is in threaded connection with the tops of the connecting seats 14, a rotating shaft 19 is arranged on one side, away from the inner wall of the limiting sleeve 13, of the bottom of each connecting seat 14, the rotating shaft 19 is rotatably connected with two adjacent connecting seats 14, and the rotating shaft 19 is connected with a shifting piece 20.
In order to enable the shifting piece to only rotate between the limiting sleeve 13 and the threaded sleeve 15, a limiting block 25 is fixedly connected to the bottom of the connecting seat 14, and the limiting block 25 is located on the inner side of the rotating shaft 19 and used for limiting the rotating angle and the rotating direction of the shifting piece 20.
Spacing pipe 4 is installed to the bottom of first connecting pipe 1, second connecting pipe 2 is installed to the bottom of spacing pipe 4, and spacing pipe 4 is used for connecting first connecting pipe 1 and second connecting pipe 2.
Working principle of the embodiment
The automatic pressure relief structure that this embodiment provided, through setting up limit sleeve 13 and threaded sleeve 15, accessible connecting seat 14 carries out threaded connection to threaded sleeve 15 in the limit sleeve 13, threaded sleeve 15's inside outlet duct 22 carries out threaded connection with threaded sleeve 15's inner wall through threaded connection's mode, therefore the accessible is to the rotation of outlet duct 22, then adjust the exposure area of venthole 24 on the outlet duct 22, thereby play certain regulation and control effect to the air current size that gets into in the limit sleeve 13, and the setting of cooperation plectrum 20, when atmospheric pressure is in normal range, plectrum 20 receives the vertical downwards of action of gravity, a part of air current gets into from the gap between two adjacent connecting seats 14, pass inside gap entering joint 3 between limit sleeve 13 and the threaded sleeve 15, another part of air current gets into inside joint 3 from venthole 24 after outlet duct 22 is followed threaded sleeve 15, the pressure gauge detects the air pressure in the joint 3; when atmospheric pressure is too big, because plectrum 20 can only rotate to one side of stop collar 13, under the promotion of atmospheric pressure, plectrum 20 rotates to one side of stop collar 13, seal the gap between two adjacent connecting seats 14, the air current can only get into behind outlet duct 22 from threaded sleeve 15 from venthole 24 get into connect 3 insidely, thereby play certain regulation and control effect to the air current size, stop collar 13 passes through the setting of collar 12 and fixing bolt 21, make things convenient for the connection of stop collar 13 and second connecting pipe 2.
Example 3
This is shown in fig. 1, the pressure gauge provided by this embodiment includes a pressure gauge component 16, one end of which is connected with a joint 3, and further includes an automatic pressure relief structure in embodiment 1 or embodiment 2, wherein the first connecting pipe 1 is communicated with the joint, the pressure gauge component 16 is used for detecting the pressure in the first connecting pipe 1, when the pressure in the first connecting pipe 1 is too large, the pressure is relieved through a pressure relief pipe 11, and the safe use of the pressure gauge is protected.
The above disclosure is only for the preferred embodiments of the present invention, however, the present invention is not limited thereto, and any changes that can be considered by those skilled in the art shall fall within the protection scope of the present invention.
Claims (9)
1. An automatic pressure relief structure comprising:
a first connecting pipe (1);
the fixing pipe (5) is fixedly arranged on one side of the first connecting pipe (1) and communicated with the first connecting pipe (1), and a plurality of limiting grooves (6) are formed in the inner wall of the fixing pipe (5);
the rod body (7) is arranged in the limiting groove (6) in a sliding mode, an elastic part (8) is arranged inside the limiting groove (6), one end of the elastic part (8) is fixedly connected with the rod body (7), and the other end of the elastic part is fixedly connected with the inner wall of the limiting groove (6);
the pressure relief pipe (11) is sleeved inside the fixed pipe (5), the peripheral surface of the pressure relief pipe is connected with the rod body (7) in a sliding mode, one end, far away from the first connecting pipe (1), of the pressure relief pipe (11) is sealed, and the peripheral surface of the pressure relief pipe (11) is provided with an exhaust port (18).
2. An automatic pressure relief structure according to claim 1, further comprising at least two clamping plates (9) disposed inside the fixed pipe (5) and having a length direction disposed along the axial direction of the fixed pipe (5), wherein each clamping plate (9) is fixedly connected to a plurality of rods (7) axially corresponding to the fixed pipe (5), and the pressure relief pipe (11) is slidably connected to the clamping plates (9).
3. An automatic pressure relief structure according to claim 1, characterized in that a limiting cap (10) is fixedly arranged at one end of the pressure relief pipe (11) far away from the first connecting pipe (1).
4. The automatic pressure relief structure according to claim 1, wherein the bottom of the first connecting pipe (1) is connected with a second connecting pipe (2), and a pressure regulating assembly is arranged inside the second connecting pipe (2).
5. The automatic pressure relief structure according to claim 4, wherein the pressure regulating assembly comprises a limiting sleeve (13) which is sleeved inside the second connecting pipe (2) and detachably connected with the second connecting pipe (2), a threaded sleeve (15) is fixed inside the limiting sleeve (13) in a sleeved manner, an air outlet pipe (22) is connected inside the threaded sleeve (15) in a threaded manner, a plurality of air outlet holes (24) are formed in the outer peripheral surface of the air outlet pipe (22), and a top cover (23) is fixedly arranged at one end of the air outlet pipe (22) close to the first connecting pipe (1).
6. The automatic pressure relief structure according to claim 5, characterized in that an end of the limiting sleeve (13) away from the first connection pipe (1) is fixedly provided with a mounting ring (12), and the mounting ring (12) is detachably connected with an end of the second connection pipe (2) away from the first connection pipe (1).
7. The automatic pressure relief structure according to claim 5, wherein a gap is left between the outer peripheral surface of the threaded sleeve (15) and the inner peripheral surface of the limiting sleeve (13), the inner wall of the limiting sleeve (13) is fixedly provided with a plurality of connecting seats (14), the lower end of the threaded sleeve (15) is in threaded connection with the tops of the connecting seats (14), one side of the bottom of each connecting seat (14), which is far away from the inner wall of the limiting sleeve (13), is provided with a rotating shaft (19), the rotating shaft (19) is rotatably connected with two adjacent connecting seats (14), and the rotating shaft (19) is connected with a shifting piece (20).
8. The automatic pressure relief structure according to claim 7, wherein a stopper (25) is fixedly connected to the bottom of the connecting seat (14), and the stopper (25) is located inside the rotating shaft (19).
9. A pressure gauge comprising a connector (3), characterized in that it further comprises an automatic pressure relief structure according to any one of claims 1 to 8, said first connection tube (1) being in communication with the connector (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221492566.7U CN217384553U (en) | 2022-06-15 | 2022-06-15 | Automatic pressure relief structure and pressure gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221492566.7U CN217384553U (en) | 2022-06-15 | 2022-06-15 | Automatic pressure relief structure and pressure gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217384553U true CN217384553U (en) | 2022-09-06 |
Family
ID=83092028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221492566.7U Active CN217384553U (en) | 2022-06-15 | 2022-06-15 | Automatic pressure relief structure and pressure gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217384553U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115479718A (en) * | 2022-09-15 | 2022-12-16 | 红旗仪表（长兴）有限公司 | High stability manometer |
| CN116499635A (en) * | 2023-04-25 | 2023-07-28 | 重庆昆仑仪表有限公司 | Antidetonation stainless steel manometer |
-
2022
- 2022-06-15 CN CN202221492566.7U patent/CN217384553U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115479718A (en) * | 2022-09-15 | 2022-12-16 | 红旗仪表（长兴）有限公司 | High stability manometer |
| CN116499635A (en) * | 2023-04-25 | 2023-07-28 | 重庆昆仑仪表有限公司 | Antidetonation stainless steel manometer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN217384553U (en) | Automatic pressure relief structure and pressure gauge | |
| CN204485538U (en) | A kind of explosion-protection equipment of industrial furnace sack cleaner | |
| CN207064205U (en) | A kind of economize on electricity vacuum plant of convenient connection | |
| CN212297803U (en) | Overvoltage protector of gas boiler | |
| CN215111288U (en) | Exhaust gas discharge pipeline air pressure balancing unit | |
| CN217234519U (en) | Pressure control valve with adjustable air pressure | |
| CN201444137U (en) | Suction resistance and ventilation rate testing device of cigarette or filter stick | |
| CN204213460U (en) | Reduction valve | |
| CN203671565U (en) | Boiler pressure detection control device | |
| CN215751423U (en) | Constant negative pressure device for ink supply of printing machine | |
| CN210716154U (en) | Gas adapter | |
| CN204798966U (en) | Visual safety filter ware of pressure | |
| CN210034397U (en) | Novel shutoff locking frock | |
| CN215335129U (en) | Pipeline compensator with alarm device | |
| CN202659997U (en) | Gas protector | |
| CN204831402U (en) | Integration amount of wind measuring device | |
| CN204213421U (en) | A kind of mass flow air reduction valve | |
| CN213350133U (en) | A adjustable high-efficient gas collecting hood section of thick bamboo for workshop is removed dust | |
| CN212616549U (en) | Pressure adjustable valve inside | |
| CN217819176U (en) | A novel scour protection pressure equipment is put for prolonging manometer life | |
| CN217108793U (en) | High-rise building gas pressure regulating device | |
| CN210860670U (en) | Nitrogen detection equipment of closed spray dryer | |
| CN211013356U (en) | Protection device for pressure transmitter | |
| CN208074259U (en) | A kind of releasing pressure automatically pipe cleaning valve | |
| CN215059803U (en) | Overvoltage protection valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |