CN213022086U

CN213022086U - Piston pressure gauge

Info

Publication number: CN213022086U
Application number: CN202021694160.8U
Authority: CN
Inventors: 尹承楠; 宋琪羽; 孙慧萍; 唐箐伟; 张鹏翼
Original assignee: Heilongjiang Huaan Jingyi Metrology Technology Institute Co ltd
Current assignee: Heilongjiang Huaan Jingyi Metrology Technology Institute Co ltd
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-04-20
Anticipated expiration: 2030-08-14

Abstract

The utility model discloses a piston pressure gauge, including organism and piston system, the upper left side of organism is provided with piston system, the lower extreme middle part of piston system is provided with annotates the liquid mouth, the utility model discloses supplementary priming device comprises inlaying fixture block, toper fill and plug-in pipe, the toper fill is placed on the organism through three inlaying fixture block, open notes liquid mouth lid, again the toper fill is taken out from inlaying the fixture block, insert in the oil filler point through the plug-in pipe on the toper fill, the staff pours the pressure transmission medium into the toper fill, the pressure transmission medium flows into the liquid mouth along the plug-in pipe and annotates the liquid mouth to the organism inside, the beneficial effect is that pours the pressure transmission medium into the organism from annotating the liquid mouth into through supplementary priming device, through inserting the toper fill liquid mouth, use and increase the scope of empting of annotating the liquid mouth, make the pressure transmission medium not make and flow out the liquid mouth, the cleaning is not needed, and the working efficiency is increased.

Description

Piston pressure gauge

Technical Field

The utility model belongs to the technical field of the pressure gauge is relevant, concretely relates to piston pressure gauge.

Background

The piston type pressure gauge is also often called as a piston pressure gauge or a pressure gauge for short, also called as a pressure balance, is mainly used as a pressure reference device in a measuring room, a laboratory and a production or scientific experiment link, and is also directly applied to the voting monitoring of other local instruments in a high-reliability monitoring link.

The prior piston type pressure gauge technology has the following problems: the piston pressure gauge utilizes the balanced principle of hydrostatic force to carry out pressure measurement, passes through opening the injection port and pours into the pressure medium into, carries out pressurization work, but on the less pressure medium that passes of empting of injection port spills easily on the organism, leads to needing to clear up, reduces work efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a piston pressure gauge to solve the piston pressure gauge that proposes in the above-mentioned background art and utilize the balanced principle of hydrostatic balance to carry out pressure measurement, pass the pressure medium through opening the injection port and pour into, carry out pressurization work, nevertheless on the less pressure medium that passes of empting of injection port spills easily and sweeps the organism, lead to needs to clear up, reduce the work efficiency problem.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a piston pressure gauge, includes organism and piston system, the upper left side of organism is provided with piston system, piston system's lower extreme middle part is provided with annotates the liquid mouth, the upside bolt fastening that piston system's right side below is located the organism has the spirit level, the right-hand upper right side that is located the organism of spirit level is provided with pre-pressurizing mechanism, end downside threaded connection has the control valve about the organism, the lower extreme middle part threaded connection of organism has the pressurization hand wheel, the organism links to each other with the external power electrical property, the lower side below that the right side of organism is located pre-pressurizing mechanism has the manometer, displacement indicator is inlayed to the left of manometer, the left side that the left of displacement indicator is located the left side of organism is provided with output interface, the upper right side of organism is located the upper right side of piston system and is provided with supplementary priming device, supplementary priming, The conical hopper and the inserting pipe are arranged, the outer end of the conical hopper is uniformly provided with embedded clamping blocks, and the middle of the conical hopper is provided with the inserting pipe.

Preferably, the spirit level comprises a fixing hole, a mounting cover and a leveling pipe, the leveling pipe is arranged in the middle of the mounting cover, and the fixing hole is uniformly penetrated through the outer edge of the mounting cover.

Preferably, the manometer includes the table body, connecting pipe, scale table and pointer, the lower extreme of the table body is connected with the connecting pipe, the inner middle part of the table body is connected with the pointer, the interior upside of the table body is located the upper end of pointer and is provided with the scale table.

Preferably, the piston system comprises a piston, a piston cylinder, a base and a displacement display sensor, wherein the base supports the whole body, the working surface at the bottom of the piston is in contact with a pressure transmission medium, and the height of the piston inside the piston is measured and sensed through the displacement display sensor.

Preferably, inlay the fixture block and be provided with three altogether, and three it is used for fighting spacing fixedly with the toper, the toper is fought and is inserted through the plug-in pipe and annotates in the liquid mouth and carry out the biography pressure medium and empty.

Preferably, the inner wall of the leveling tube is a curved surface with a certain curvature radius, and the tube is filled with liquid.

Preferably, the control valves are provided with two control valves which are respectively a stop valve and a pressure release valve, the output interfaces are provided with two output interfaces which can be provided with two pressure gauges, and an oil pipe system is arranged in the machine body and used for pressurizing and measuring the piston system.

Compared with the prior art, the utility model provides a piston pressure gauge possesses following beneficial effect:

1. the utility model discloses supplementary priming device is fought and the pipe is constituteed by inlaying fixture block, toper, and the toper is fought and is placed on the organism through three fixture block of inlaying, will annotate liquid mouthful lid and open, fights the toper again and take out from inlaying the fixture block, through the toper fight on the grafting pipe insert the oiling mouth in, the staff will pass the pressure medium and pour into the toper and fight, pass the pressure medium along the pipe inflow of pegging graft annotate liquid mouthful to the organism inside.

2. The utility model discloses supplementary priming device beneficial effect is through supplementary priming device supplementary with pass press medium from annotating the liquid mouth pour into the organism inside, through fighting the toper and insert the notes liquid mouth, uses to increase the scope of empting of annotating the liquid mouth, can not make when making to pour into pass press medium flow and annotate the liquid mouth, makes the organism keep clean, need not the clearance, increases work efficiency.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic structural view of a piston pressure gauge according to the present invention;

fig. 2 is a schematic structural view of an auxiliary liquid injection device of a piston pressure gauge according to the present invention;

fig. 3 is a schematic structural view of a piston pressure gauge level according to the present invention;

FIG. 4 is a schematic view of a piston pressure gauge according to the present invention;

in the figure: 1. an auxiliary liquid injection device; 2. a pre-pressurizing mechanism; 3. a body; 4. a level gauge; 5. a control valve; 6. a pressure gauge; 7. a pressurizing hand wheel; 8. a displacement indication screen; 9. an output interface; 10. a liquid injection port; 11. a piston system; 101. embedding a clamping block; 102. a conical hopper; 103. inserting a pipe; 41. a fixing hole; 42. installing a cover; 43. a leveling tube; 61. a watch body; 62. a connecting pipe; 63. a dial gauge; 64. a pointer.

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. 1-4, the present invention provides a technical solution:

a piston pressure gauge comprises a machine body 3 and a piston system 11, wherein the piston system 11 is arranged on the upper left side of the machine body 3, the piston system 11 mainly comprises a piston, a piston cylinder, a base and a displacement display sensor, the base supports the whole body, a working surface at the bottom of the piston is in contact with a pressure transmission medium, and the displacement display sensor is used for measuring and sensing the height of an internal piston, when the pressure transmission medium overflows and does not contain bubbles, the piston can be vertically and lightly inserted into the piston cylinder, then a pressure relief valve in a control valve 5 is opened to enable the piston to descend to the lowest position, the pressure relief valve in the control valve 5 is closed immediately, the piston system 11 is installed and fixed, a liquid injection port 10 is arranged in the middle of the lower end of the piston system 11, a level 4 is fixed on the upper side of the machine body 3 at the lower right side of the piston system 11 through a bolt, the level 4 comprises, the middle part of the mounting cover 42 is provided with a leveling tube 43, the inner wall of the leveling tube 43 is a curved surface with a certain curvature radius, liquid is filled in the leveling tube 43, when the level inclines, air bubbles in the leveling tube 43 move towards the rising end of the mounting cover 42, so that the position of the level is determined, when the water bubbles are positioned at the center, the body 3 is determined to be stably placed, the outer edge of the mounting cover 42 is uniformly penetrated with a fixing hole 41, and the body 3 is stably placed by measuring through the level gauge 4.

A piston pressure gauge comprises a level meter 4, a pre-pressurizing mechanism 2 is arranged on the right upper side of a machine body 3 on the right side, control valves 5 are in threaded connection with the lower sides of the left end and the right end of the machine body 3, the control valves 5 are two, the two control valves 5 are respectively a position stop valve and a pressure relief valve, the output interfaces 9 are two, two pressure gauges 6 can be installed on the two output interfaces 9, an oil pipe system is arranged in the machine body 3 and used for performing pressurization measurement on a piston system 11, wherein the right side stop valve is opened, the left side pressure relief valve is opened, air in an inner cavity is discharged by the pre-pressurizing mechanism 2, the pressure relief valve in the control valve 5 is closed immediately, after a power supply is connected, when a displacement indication screen 8 displays zero or so, the pressure gauge piston falls to the bottom, a pressurizing hand wheel 7 is in threaded connection, the lower right side of organism 3 is located the below threaded connection of pre-pressurization mechanism 2 and has manometer 6, manometer 6 includes the table body 61, connecting pipe 62, graduation apparatus 63 and pointer 64, table body 61 will pass through connecting pipe 62 and pass the pressure medium input inside, make the elastic deformation of inside sensing element, the shifter of core is with pressure deformation conduction to pointer 64 in the table again, cause pointer 64 to rotate and show pressure through graduation apparatus 63, wherein should add the weight of same pressure value by the pressure value of manometer 6, the lower extreme of table body 61 is connected with connecting pipe 62, the inner middle part of table body 61 is connected with pointer 64, the upper end that the interior upside of table body 61 is located pointer 64 is provided with graduation apparatus 63, wherein show the numerical value that organism 3 pressurized through manometer 6.

A piston pressure gauge comprises a pressure gauge 6, a displacement indicating screen 8 is embedded on the left side of the pressure gauge 6, an output interface 9 is arranged on the left side of the displacement indicating screen 8 and on the left lower side of a machine body 3, an auxiliary liquid injection device 1 is arranged on the right upper side of the machine body 3 and on the right upper side of a piston system 11, the auxiliary liquid injection device 1 comprises an embedding fixture block 101, a conical hopper 102 and a plug pipe 103, the outer end of the conical hopper 102 is uniformly provided with three embedding fixture blocks 101, the three embedding fixture blocks 101 are used for limiting and fixing the conical hopper 102, the conical hopper 102 is inserted into a liquid injection port 10 through the plug pipe 103 to dump a pressure transfer medium, wherein the cover of the liquid injection port 10 is opened, the conical hopper 102 is taken out of the embedding fixture block 101 and inserted into the liquid injection port through the plug pipe 103 on the conical hopper 102, a worker pours the stamping medium into the conical hopper 102, the pressure transfer medium, the middle part of the conical hopper 102 is provided with an insertion pipe 103.

The utility model discloses a theory of operation and use flow: after the utility model is installed, firstly, the machine body 3 is stably installed through the level meter 4, the installation cover 42 is fixedly arranged on the machine body 3 through three fixing holes 41 by bolts, when the machine body 3 is placed, the bubble is measured through the bubble inside the level tube 43, when the level inclines, the bubble in the level tube 43 moves to one end of the installation cover 42, the bubble is stably placed when the bubble is positioned at the center, the relief valve in the control valve 5 is closed, the stop valve in the control valve 5 is opened, the pressure transfer medium is poured into the liquid injection port 10 through the auxiliary liquid injection device 1, the conical hopper 102 is placed on the machine body 3 through three embedded fixture blocks 101, the cover of the liquid injection port 10 is opened, the conical hopper 102 is taken out from the embedded fixture block 101, the conical hopper 102 is inserted into the oil injection port through the insertion tube 103, the pressure transfer medium is poured into the conical hopper 102 by the staff, the pressure transfer medium flows into the liquid injection port 10 to the interior of the machine body, the prepressing mechanism 2 is used for slowly pressurizing, whether a pressure transmission medium overflows in a piston cylinder of the piston system 11 is observed, when the pressure transmission medium overflows and does not contain bubbles, the piston can be vertically and lightly inserted into the piston cylinder, then a pressure relief valve in the control valve 5 is opened to enable the piston to descend to the lowest position, then the pressure relief valve in the control valve 5 is closed, the piston system 11 is fixedly installed, the meter body 61 is connected with the output interface 9 through a connecting pipe 62, the pressure transmission medium is input into the meter body 61 through the connecting pipe 62 to enable a sensitive element in the meter body to be elastically deformed, then the pressure deformation is transmitted to the pointer 64 through a switching mechanism of a machine core in the meter, the pointer 64 is caused to rotate, the pressure is displayed through the dial gauge 63, according to the weight which is added with the same pressure value by the pressure gauge 6, the right side stop valve is opened, the left side pressure relief valve is opened, and, closing a relief valve in the control valve 5 immediately, after the power is switched on, when the displacement indication screen 8 shows that the displacement is about zero, indicating that a piston of the pressure gauge has fallen to the bottom, when a digital meter shows that the pressure is more than zero and less than three millimeters, indicating that the piston system 11 has normally operated, if the pressure exceeds three millimeters, indicating that the pressure is overlarge, pressurizing by a precompression pump, immediately closing a stop valve of the control valve 5, adding a weight corresponding to the measured pressure on the piston system 11, rotating the weight by two hands first, then rotating and pressurizing by a pressurizing hand wheel 7, enabling the piston to ascend, when the working position of the piston reaches a pointer 64 in the meter body 61 to reach a zero position 63 of the scale meter, after the reading of a first point, reducing the pressure by the pressurizing hand wheel 7 first, enabling the piston to descend to the lowest position, then adding a weight value corresponding to the measurement of a second point on the piston system 11, then pressurizing by the, until the positive stroke measurement is finished.

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

1. Piston manometer, comprising a body (3) and a piston system (11), characterized in that: the upper left side of organism (3) is provided with piston system (11), the lower extreme middle part of piston system (11) is provided with annotates liquid mouth (10), the upside bolt fastening that the right side below of piston system (11) is located organism (3) has spirit level (4), the right upper right side that is located organism (3) of spirit level (4) is provided with pre-pressurization mechanism (2), the left and right ends downside threaded connection of organism (3) has control valve (5), the lower extreme middle part threaded connection of organism (3) has pressurization hand wheel (7), organism (3) and external power source electrical connection, the right downside of organism (3) is located the below threaded connection of pre-pressurization mechanism (2) and has manometer (6), the left of inlaying of manometer (6) has displacement indicator screen (8), the left side that the left side of displacement indicator screen (8) is located the left side below of organism (3) is provided with output interface (9), the auxiliary liquid injection device (1) is arranged on the upper right side of the piston system (11) on the upper right side of the machine body (3), the auxiliary liquid injection device (1) comprises an embedded fixture block (101), a conical hopper (102) and an insertion pipe (103), the embedded fixture block (101) is uniformly arranged at the outer end of the conical hopper (102), and the insertion pipe (103) is arranged in the middle of the conical hopper (102).

2. A piston pressure gauge according to claim 1, wherein: the level gauge (4) comprises a fixing hole (41), an installation cover (42) and a leveling tube (43), the leveling tube (43) is arranged in the middle of the installation cover (42), and the fixing hole (41) is uniformly penetrated through the outer side edge of the installation cover (42).

3. A piston pressure gauge according to claim 2, wherein: manometer (6) are including the table body (61), connecting pipe (62), graduation apparatus (63) and pointer (64), the lower extreme of the table body (61) is connected with connecting pipe (62), the inner middle part of the table body (61) is connected with pointer (64), the upper end that the interior upside of the table body (61) is located pointer (64) is provided with graduation apparatus (63).

4. A piston pressure gauge as claimed in claim 1, 2 or 3, wherein: the piston system (11) is composed of a piston, a piston cylinder, a base and a displacement display sensor, wherein the base plays a supporting role on the whole and enables a working surface at the bottom of the piston to be in contact with a pressure transmission medium, and the height of the piston inside the piston is measured and sensed through the displacement display sensor.

5. A piston pressure gauge according to claim 4, wherein: the three embedding fixture blocks (101) are arranged, the three embedding fixture blocks (101) are used for limiting and fixing the conical hopper (102), and the conical hopper (102) is inserted into the liquid injection port (10) through the insertion pipe (103) to dump pressure transfer media.

6. A piston pressure gauge according to claim 2, wherein: the inner wall of the leveling tube (43) is a curved surface with a certain curvature radius, and liquid is filled in the tube.

7. A piston pressure gauge according to claim 4, wherein: control valve (5) are provided with two altogether, and two control valve (5) are position stop valve and relief valve respectively, output interface (9) are provided with two altogether, and two output interface (9) two mountable manometer (6), organism (3) inside is provided with oil pipe system for carry out the pressurization measurement to piston system (11).