CN210375527U - Static pressure calibration device of differential pressure transmitter - Google Patents
Static pressure calibration device of differential pressure transmitter Download PDFInfo
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- CN210375527U CN210375527U CN201921752328.3U CN201921752328U CN210375527U CN 210375527 U CN210375527 U CN 210375527U CN 201921752328 U CN201921752328 U CN 201921752328U CN 210375527 U CN210375527 U CN 210375527U
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Abstract
The utility model discloses a static pressure calibration device of a differential pressure transmitter, which comprises a calibration device, a first pressure gauge joint, a base, a hand pump, a connecting column, a fixing mechanism and a connecting mechanism, wherein the fixing mechanism is positioned at the connecting part of the base and the hand pump, the fixing mechanism comprises an arc-shaped fixing iron sheet, one side surface of the top end of the arc-shaped fixing iron sheet is fixedly connected with a connecting sheet, and one side surface of the connecting sheet is provided with a connecting hole; the utility model can slide and fix the arc-shaped fixed iron sheet on the surface of the fixed base of the hand pump through the arranged arc-shaped fixed iron sheet and the fixed base through the arranged slide block, the chute and the button, so that the arc-shaped fixed iron sheet is worn and detached for replacing after being used for a long time; through the extrusion piece, the first spring that set up, can be with a fixed orifices chucking in the inside of draw-in groove, prevent that the connection of spliced pole and first pressure meter from connecting insecurely, appearing not hard up.
Description
Technical Field
The utility model belongs to the technical field of the differential pressure transmitter check-up, concretely relates to differential pressure transmitter static pressure calibration equipment.
Background
Along with the continuous development of scientific technology, the intelligent instruments are used more and more widely and are more and more in variety, the differential pressure transmitter is vital to the measurement of the field differential pressure and the flow, and the differential pressure transmitter is related to the safety and the stability of production and the accurate measurement of important parameters, so the differential pressure transmitter generally can perform static pressure tests with display accuracy under different pressures when needed so as to determine the measurement accuracy under different pressure states.
The measuring element and the pressure-bearing member of the differential pressure transmitter are rigidly connected together, and the deformation of the pressure-bearing member under pressure can act on the measuring element to influence the measuring result. The conventional approach to this problem is to provide material and structural control, including making the positive and negative chambers as completely symmetrical as possible. So that the effect is controlled to the extent that the accuracy of the meter allows.
The utility model discloses a differential pressure transmitter static pressure calibration equipment as utility model discloses that the bulletin number is CN206974610U, it has realized simple structure, the installation is dismantled conveniently, the practicality is high, low in production cost, be convenient for use and the effect of popularization on market, but the opening of the fixed iron sheet of arc is fixed unchangeable when using, can not be firm fix the hand pump on the surface of hand pump, still when dismantling the first pressure gauge joint of separation and manometer, too waste time, the problem of staff's work efficiency has been reduced, we provide a differential pressure transmitter static pressure calibration equipment for this reason.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a differential pressure transmitter static pressure calibration equipment to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a static pressure calibration device of a differential pressure transmitter comprises a calibration device, a first pressure gauge joint, a base, a hand pump, a connecting column, a fixing mechanism and a connecting mechanism, wherein the fixing mechanism is positioned at the joint of the base and the hand pump, the fixing mechanism comprises an arc-shaped fixing iron sheet, one side surface of the top end of the arc-shaped fixing iron sheet is fixedly connected with a connecting sheet, one side surface of the connecting sheet is provided with a connecting hole, one side surface of the top end of the arc-shaped fixing iron sheet, which is positioned at one side of the connecting sheet, is provided with a connecting sheet II, one side of the connecting sheet is in threaded connection with a fixing bolt, the bottom end surface of the arc-shaped fixing iron sheet is fixedly connected with a sliding block, one side surface of the sliding block is provided with a fixing groove, the top end surface of the base is fixedly, the utility model discloses a fixed slot fixing device, including fixed base, second connecting plate, second spring, buckle, second connecting plate and fixed base, the second connecting plate is provided with the pivot with fixed base's rotation junction, one side fixed surface of second connecting plate is connected with the button, and one side of button is in fixed base's outside, the second connecting plate is provided with the second spring with fixed base's fixed connection, the opposite side fixed surface of second connecting plate is connected with the buckle, the spout has been seted up on fixed base's top surface, No. two fixed orificess have been seted up to a side surface of spout, one side of buckle is in the.
Preferably, the connecting mechanism is located at the joint of the connecting column and the first pressure gauge joint, the connecting mechanism comprises a rubber fixing sleeve, the rubber fixing sleeve is located on one side surface of the first pressure gauge joint, a first connecting plate is arranged inside the first pressure gauge joint, a first spring is arranged at the joint of the first connecting plate and the first pressure gauge joint, an extruding block is fixedly connected to the middle surface of one side of the first connecting plate, a third fixing block is arranged on one side surface of the first pressure gauge joint, one side of the extruding block is located outside the third fixing block, a fixture block is fixedly connected to the other side surface of the first connecting plate, a first fixing hole is arranged on the inner side of the first pressure gauge joint, one side of the fixture block is located outside the first fixing hole, a connecting column is fixedly connected to one side surface of the pressure gauge, and a clamping groove is arranged on one side surface of the connecting column, one end of the clamping block is positioned in the clamping groove.
Preferably, the bottom surface of the checking device is provided with a base, the top surface of the base is provided with a second pressure gauge joint, one side, in which the top surface of the checking device is located, of the second pressure gauge joint is provided with an oil cup, and one side, in which the top surface of the checking device is located, of the oil cup is provided with a hand pump.
Preferably, one side surface swing joint of hand pump has the fixed iron sheet of arc, the bottom surface swing joint of the fixed iron sheet of arc has fixed base.
Preferably, a first pressure gauge joint is arranged on the other side, located on the oil cup, of the top end surface of the checking device, a pressure gauge is movably connected to the top end surface of the first pressure gauge joint, and a connecting pipe is arranged on one side surface of the bottom end of the first pressure gauge joint.
Preferably, a connecting hole is also formed in the surface of one side of the second connecting sheet, the fixing bolt penetrates through the first connecting sheet through the connecting hole, and one end of the fixing bolt is located on one side of the second connecting sheet.
Compared with the prior art, the beneficial effects of the utility model are that:
1. through the fixed iron sheet of arc that sets up, fixed baseplate, can be with hand pump unable adjustment base's surface, connecting hole through setting up, a connection piece, No. two connection pieces, fixing bolt, can be according to the size of hand pump, adjust the opening size of the fixed iron sheet of arc, through the slider that sets up, the fixed slot, the spout, the button, the second spring, the second connecting plate, the apparatus further comprises a rotating shaft, the buckle, No. two fixed orificess, can slide the fixed iron sheet of arc and fix on fixed baseplate's surface, the fixed iron sheet of arc of being convenient for uses the back for a long time, receive wearing and tearing, dismantle and change the fixed iron sheet of arc, the opening of having avoided the fixed iron sheet of arc is fixed unchangeably, the surface at hand pump can not be firm with hand pump.
2. Through the fixed cover of rubber that sets up, the draw-in groove, the fixture block, can be convenient, swift with spliced pole and first pressure meter connector connection, through the extrusion piece that sets up, a spring, a fixed orifices, first connecting plate, can be with a fixed orifices chucking in the inside of draw-in groove, prevent that the spliced pole is unstable with being connected of first pressure meter connector, it is not hard up to appear, when having avoided dismantling the first pressure meter connector of separation and manometer, too waste time, staff's work efficiency has been reduced.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a cross-sectional view showing the internal connection between the pressure gauge of fig. 1 and the first pressure gauge joint according to the present invention;
fig. 3 is an enlarged view of a in fig. 2 according to the present invention;
fig. 4 is a perspective view of the fixing iron plate of fig. 1;
fig. 5 is a perspective view of the fixing base shown in fig. 1 according to the present invention;
fig. 6 is a top connection cross-sectional view of the arc-shaped fixing iron sheet and the sliding block in fig. 1 according to the present invention;
in the figure: 1. a calibration device; 2. a rubber fixing sleeve; 3. a first pressure tap; 4. a pressure gauge; 5. fixing the iron sheet in an arc shape; 6. a fixed base; 7. a base; 8. an oil cup; 9. a second pressure tap; 10. a connecting pipe; 11. a hand pump; 12. connecting columns; 13. extruding the block; 14. a first spring; 15. a card slot; 16. a clamping block; 17. a first fixing hole; 18. a first connecting plate; 19. connecting holes; 20. a first connecting sheet; 21. a second connecting sheet; 22. fixing the bolt; 23. a slider; 24. fixing grooves; 25. a chute; 26. a button; 27. a second spring; 28. a second connecting plate; 29. a rotating shaft; 30. buckling; 31. a second fixing hole; 32. and a third fixed block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a static pressure calibration device of a differential pressure transmitter comprises a calibration device 1, a first pressure gauge joint 3, a base 7, a hand pump 11, a connecting column 12, a fixing mechanism and a connecting mechanism, wherein the fixing mechanism is positioned at the joint of the base 7 and the hand pump 11, the fixing mechanism comprises an arc-shaped fixing iron sheet 5, one side surface of the top end of the arc-shaped fixing iron sheet 5 is fixedly connected with a first connecting sheet 20, one side surface of the first connecting sheet 20 is provided with a connecting hole 19, one side surface of the top end of the arc-shaped fixing iron sheet 5, which is positioned at one side of the first connecting sheet 20, is provided with a second connecting sheet 21, one side of the first connecting sheet 20 is in threaded connection with a fixing bolt 22, the bottom end surface of the arc-shaped fixing iron sheet 5 is fixedly connected with a sliding block 23, one side surface of the sliding block 23 is provided with a fixing groove 24, second connecting plate 28 is provided with pivot 29 with fixed baseplate 6's rotation junction, one side fixed surface of second connecting plate 28 is connected with button 26, and one side of button 26 is in fixed baseplate 6's outside, second connecting plate 28 is provided with second spring 27 with fixed baseplate 6's fixed connection, the opposite side fixed surface of second connecting plate 28 is connected with buckle 30, spout 25 has been seted up on fixed baseplate 6's top surface, No. two fixed orificess 31 have been seted up on a side surface of spout 25, one side of buckle 30 is in the outside of No. two fixed orificess 31, the one end of buckle 30 is in the inside of fixed slot 24.
In this embodiment, preferably, the connection mechanism is located at a connection position of the connection column 12 and the first pressure gauge joint 3, the connection mechanism includes a rubber fixing sleeve 2, the rubber fixing sleeve 2 is located on one side surface of the first pressure gauge joint 3, a first connection plate 18 is arranged inside the first pressure gauge joint 3, a first spring 14 is arranged at a connection position of the first connection plate 18 and the first pressure gauge joint 3, a pressing block 13 is fixedly connected to the middle surface of one side of the first connection plate 18, a third fixing block 32 is arranged on one side surface of the first pressure gauge joint 3, one side of the pressing block 13 is located outside the third fixing block 32, a clamping block 16 is fixedly connected to the other side surface of the first connection plate 18, a first fixing hole 17 is arranged on the inner side of the first pressure gauge joint 3, one side of the clamping block 16 is located outside the first fixing hole 17, and one side surface of the pressure gauge 4 is, draw-in groove 15 has been seted up on one side surface of spliced pole 12, and the one end of fixture block 16 is in the inside of draw-in groove 15, can be convenient for later stage convenient and fast pull apart first pressure meter connector 3 and manometer 4 and leave, reduce staff's work load.
This embodiment, it is preferred, the bottom surface of calibration equipment 1 is provided with base 7, the top surface of base 7 is provided with second pressure gauge joint 9, one side that the top surface of calibration equipment 1 is in second pressure gauge joint 9 is provided with oil cup 8, one side that the top surface of calibration equipment 1 is in oil cup 8 is provided with hand pump 11, through the base 7 that sets up, can make things convenient for the work of later stage check-up with fixed stay oil cup 8, second pressure gauge joint 9, hand pump 11.
This embodiment, it is preferred, one side surface swing joint of hand pump 11 has the fixed iron sheet of arc 5, and the bottom surface swing joint of the fixed iron sheet of arc 5 has fixed base 6, can make the fixed iron sheet of arc 5 use for a long time, receives wearing and tearing, conveniently dismantles the fixed iron sheet of arc 5 from fixed base 6, changes.
In this embodiment, preferably, the other side of the top surface of the calibration device 1, which is located at the oil cup 8, is provided with the first pressure gauge connector 3, the top surface of the first pressure gauge connector 3 is movably connected with the pressure gauge 4, one side surface of the bottom end of the first pressure gauge connector 3 is provided with the connecting pipe 10, and the result of the calibration can be observed and known through the arranged pressure gauge 4.
In this embodiment, preferably, a connecting hole 19 is also formed in a surface of one side of the second connecting piece 21, the fixing bolt 22 penetrates through the first connecting piece 20 through the connecting hole 19, one end of the fixing bolt 22 is located on one side of the second connecting piece 21, and the first connecting piece 20 and the second connecting piece 21 can be fixedly connected through the arranged fixing bolt 22, so that the size of the opening of the arc-shaped fixing iron piece 5 can be conveniently adjusted.
The utility model discloses a theory of operation and use flow: when the device is used, firstly, after the device is installed, when the hand pump 11 is fixed, the fixing bolt 22 is firstly rotated and separated from the inner part of the connecting hole 19, then one end of the hand pump 11 is placed inside the arc-shaped fixing iron sheet 5, then the first connecting sheet 20 and the second connecting sheet 21 are connected with one end of the fixing bolt 22 through the inside of the connecting hole 19, then, by pressing the button 26, the second connecting plate 28 is rotated to one side through the rotating shaft 29, the buckle 30 is driven to contract into the second fixing hole 31, at this time, the arc-shaped fixing iron sheet 5 is slid in the sliding groove 25 through the bottom sliding block 23, when the second fixing hole 31 is slid, the button 26 is released, the buckle 30 is enabled to be under the action force of the second spring 27, one end of the first connecting piece 20 is clamped inside the fixing groove 24, and the hand pump 11 is fixed on the surface of the base 7; after the device installation is accomplished, want to pull apart between first pressure meter connector 3 and the manometer 4, at first slide rubber fixing sleeve 2 to one side for extrusion piece 13 pops out to one side down through the elasticity of first spring 14, is driving fixture block 16 and is popping out the inside of draw-in groove 15, has realized that convenient and swift first pressure meter connector 3 and manometer 4 pull apart.
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 (6)
1. The utility model provides a differential pressure transmitter static pressure calibration equipment, includes calibration equipment (1), first pressure gauge joint (3), base (7), hand pump (11), spliced pole (12), fixed establishment, coupling mechanism, its characterized in that: the fixing mechanism is positioned at the joint of the base (7) and the hand pump (11), the fixing mechanism comprises an arc-shaped fixing iron sheet (5), a first connecting sheet (20) is fixedly connected to the surface of one side of the top end of the arc-shaped fixing iron sheet (5), a connecting hole (19) is formed in the surface of one side of the first connecting sheet (20), a second connecting sheet (21) is arranged on one side, located on the first connecting sheet (20), of the surface of one side of the top end of the arc-shaped fixing iron sheet (5), a fixing bolt (22) is in threaded connection with one side of the first connecting sheet (20), a sliding block (23) is fixedly connected to the surface of the bottom end of the arc-shaped fixing iron sheet (5), a fixing groove (24) is formed in the surface of one side of the sliding block (23), a fixing base (6) is fixedly connected to the surface of the top end of the base, second connecting plate (28) and fixed baseplate (6) rotate the junction and be provided with pivot (29), one side fixed surface of second connecting plate (28) is connected with button (26), and one side of button (26) is in the outside of fixed baseplate (6), the fixed connection of second connecting plate (28) and fixed baseplate (6) is provided with second spring (27), the opposite side fixed surface of second connecting plate (28) is connected with buckle (30), spout (25) have been seted up on the top surface of fixed baseplate (6), No. two fixed orificess (31) have been seted up on one side surface of spout (25), one side of buckle (30) is in the outside of No. two fixed orificess (31), the one end of buckle (30) is in the inside of fixed slot (24).
2. The differential pressure transmitter static pressure verification apparatus according to claim 1, wherein: the connecting mechanism is positioned at the joint of the connecting column (12) and the first pressure gauge joint (3), the connecting mechanism comprises a rubber fixing sleeve (2), the rubber fixing sleeve (2) is positioned on one side surface of the first pressure gauge joint (3), a first connecting plate (18) is arranged inside the first pressure gauge joint (3), a first spring (14) is arranged at the joint of the first connecting plate (18) and the first pressure gauge joint (3), an extruding block (13) is fixedly connected to the surface of the middle part of one side of the first connecting plate (18), a third fixing block (32) is arranged on the surface of one side of the first pressure gauge joint (3), one side of the extruding block (13) is positioned outside the third fixing block (32), a fixture block (16) is fixedly connected to the surface of the other side of the first connecting plate (18), a first fixing hole (17) is formed in the inner side of the first pressure gauge joint (3), one side of the clamping block (16) is located outside the first fixing hole (17), a connecting column (12) is fixedly connected to the surface of one side of the pressure gauge (4), a clamping groove (15) is formed in the surface of one side of the connecting column (12), and one end of the clamping block (16) is located inside the clamping groove (15).
3. The differential pressure transmitter static pressure verification apparatus according to claim 1, wherein: the bottom surface of calibration device (1) is provided with base (7), the top surface of base (7) is provided with second pressure gauge joint (9), one side that the top surface of calibration device (1) is in second pressure gauge joint (9) is provided with oil cup (8), one side that the top surface of calibration device (1) is in oil cup (8) is provided with hand pump (11).
4. The differential pressure transmitter static pressure verification apparatus according to claim 1, wherein: one side surface swing joint of hand pump (11) has fixed iron sheet of arc (5), the bottom surface swing joint of the fixed iron sheet of arc (5) has fixed baseplate (6).
5. The differential pressure transmitter static pressure verification apparatus according to claim 1, wherein: the oil cup check device is characterized in that a first pressure gauge joint (3) is arranged on the other side, located on the oil cup (8), of the top end surface of the check device (1), a pressure gauge (4) is movably connected to the top end surface of the first pressure gauge joint (3), and a connecting pipe (10) is arranged on one side surface of the bottom end of the first pressure gauge joint (3).
6. The differential pressure transmitter static pressure verification apparatus according to claim 1, wherein: a connecting hole (19) is also formed in the surface of one side of the second connecting piece (21), the fixing bolt (22) penetrates through the first connecting piece (20) through the connecting hole (19), and one end of the fixing bolt (22) is located on one side of the second connecting piece (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921752328.3U CN210375527U (en) | 2019-10-18 | 2019-10-18 | Static pressure calibration device of differential pressure transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921752328.3U CN210375527U (en) | 2019-10-18 | 2019-10-18 | Static pressure calibration device of differential pressure transmitter |
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| Publication Number | Publication Date |
|---|---|
| CN210375527U true CN210375527U (en) | 2020-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921752328.3U Active CN210375527U (en) | 2019-10-18 | 2019-10-18 | Static pressure calibration device of differential pressure transmitter |
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| CN (1) | CN210375527U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114617483A (en) * | 2021-09-01 | 2022-06-14 | 北京石头世纪科技股份有限公司 | Key structure, liquid storage tank and automatic cleaning equipment |
-
2019
- 2019-10-18 CN CN201921752328.3U patent/CN210375527U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114617483A (en) * | 2021-09-01 | 2022-06-14 | 北京石头世纪科技股份有限公司 | Key structure, liquid storage tank and automatic cleaning equipment |
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