CN211504516U - Pressure gauge - Google Patents
Pressure gauge Download PDFInfo
- Publication number
- CN211504516U CN211504516U CN202020493675.5U CN202020493675U CN211504516U CN 211504516 U CN211504516 U CN 211504516U CN 202020493675 U CN202020493675 U CN 202020493675U CN 211504516 U CN211504516 U CN 211504516U
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- CN
- China
- Prior art keywords
- pressure gauge
- channel
- seat
- manometer
- valve body
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- 238000007789 sealing Methods 0.000 claims abstract description 14
- 238000012360 testing method Methods 0.000 claims abstract description 12
- 230000002528 anti-freeze Effects 0.000 claims abstract description 5
- 230000007547 defect Effects 0.000 abstract description 2
- 230000008014 freezing Effects 0.000 abstract description 2
- 238000007710 freezing Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Images
Abstract
The utility model relates to a pressure gauge, which comprises a three-way pressure gauge stand, wherein the lower end of the pressure gauge stand is a gas outlet, the upper end of the pressure gauge stand is a testing end, the side end of the pressure gauge stand is a gas inlet, the gas outlet, the testing end and the gas inlet are communicated through an internal pipeline arranged in the pressure gauge stand, the testing end is provided with a pressure gauge head, the pressure gauge head is provided with a straight pipe cavity at the joint with the pressure gauge stand, the bottom of the straight pipe cavity is provided with a sliding sealing plug, the straight pipe cavity above the sealing plug is filled with antifreeze, the gas inlet is detachably provided with a check valve component which only allows the gas flow to be introduced into the internal pipeline of the pressure gauge stand, the gas outlet is provided with a detachable support body for closing the gas outlet, the antifreeze is filled in the straight pipe cavity, when the pressure in a pressure gauge, and the pressure is transmitted by the antifreeze, thus fundamentally overcoming the defect that the traditional pressure gauge is afraid of freezing.
Description
Technical Field
The utility model belongs to the technical field of pressure device, concretely relates to manometer.
Background
Pressure gauges (pressure gauge) are instruments that measure and indicate pressures above ambient pressure, which are very common, using elastic elements as sensors, and are used in almost all fields of industrial processes and scientific research. The method is widely available in the fields of heating power 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.
And set up the manometer under open-air state, under the lower circumstances of temperature, need carry out frostproofing treatment to the manometer, otherwise, get into the manometer and draw the water of pressing in the straight tube cavity and will freeze the inflation for the shape structure of drawing and pressing the straight tube cavity takes place permanent deformation, causes the manometer pointer can not zero fall under the ordinary pressure state, makes the manometer lose accurate pressure measurement ability, brings very big hidden danger for equipment safety in production simultaneously.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a manometer.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a pressure gauge, its includes three-way manometer seat, the lower extreme of manometer seat is the gas outlet, the upper end is test end, side is the air inlet, gas outlet, test end and air inlet are through setting up the inside pipe intercommunication in the manometer seat, the test end is equipped with the manometer head, the manometer head is equipped with the straight tube cavity with manometer seat junction, straight tube cavity bottom is provided with the sealing plug that can slide, the straight tube cavity intussuseption of sealing plug top is filled with antifreeze, air inlet department can dismantle and be equipped with the check valve subassembly that only allows to let in the air current to manometer seat inside pipe, air outlet department is equipped with the supporter that detachable is used for closed gas outlet.
The utility model discloses a pressure gauge, including the supporter, gas outlet department is equipped with the supporting seat with manometer seat joint complex, the one end of supporting seat is equipped with the set screw, the supporter sets up in the supporting seat, just the one end and the gas outlet contact of supporter, the other end of supporter is restricted by the set screw.
The support body comprises a ball body and a connector, a through hole is formed in the connector, and the fixing screw penetrates through the through hole to be in contact with the ball body.
And a matching groove is circumferentially arranged at the contact position of the support body and the air outlet, and the annular wall forming the air outlet is embedded in the matching groove.
The check valve component comprises a valve body, a valve core, an elastic part and a check ring, a valve body channel is arranged inside the valve body, one side of the valve body extends outwards to form a first joint, a first channel is arranged inside the first joint, a middle channel is formed between the first channel and the valve body channel, the valve core used for switching on and off a passage between the first channel and the middle channel is arranged in the valve body channel in a sliding mode, a through hole used for communicating the middle channel and the valve body channel is formed in the side wall of the valve core, the elastic part is inserted inside the valve core, the other end of the elastic part is connected with the check ring, and the other end of the valve body extends to form a second joint which is installed in.
The elastic piece is a spring.
And a third joint with a straight pipeline is arranged between the one-way valve assembly and the pressure gauge seat.
The valve core is a cone valve core.
The utility model has the advantages that: the three-way pressure dial is utilized, the internal pressure can be increased through the sealing of the air outlet, so that the check valve component at the air inlet is sealed, the antifreezing solution is filled in the cavity of the straight pipe, when the pressure in the pressure dial is changed, the liquid or the gas in the internal channel pushes the sealing plug, and then the antifreezing solution transmits the pressure, and the defect that the traditional pressure gauge is afraid of freezing is fundamentally overcome.
Drawings
Fig. 1 is a schematic cross-sectional view of the present invention.
Fig. 2 is an enlarged schematic view of a point a in fig. 1.
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 efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
As shown in the figure, the pressure gauge comprises a three-way pressure gauge seat, wherein the lower end of the pressure gauge seat is an air outlet, the upper end of the pressure gauge seat is a testing end, the side end of the pressure gauge seat is an air inlet, the air outlet, the testing end and the air inlet are communicated through an internal pipeline arranged in the pressure gauge seat, the testing end is provided with a pressure gauge head, a straight pipe cavity is arranged at the joint of the pressure gauge head 1 and the pressure gauge seat 2, a sealing plug capable of sliding is arranged at the bottom of the straight pipe cavity, an antifreezing solution is filled in the straight pipe cavity above the sealing plug, an antifreezing solution 11 is filled in the straight pipe cavity, when the pressure in a pressure gauge disc changes, the liquid or gas in the internal channel pushes the sealing plug 10, the antifreezing solution transmits the pressure, the pressure gauge head displays the pressure value through a pointer according to the transmitted pressure, and the filling solution in a spring, ensuring that it does not freeze for weather reasons.
And the air inlet is detachably provided with a check valve assembly 4 which only allows air flow to be introduced into the pipeline inside the pressure gauge seat, and when gas or liquid is introduced into the air inlet, the check valve is jacked open and conducted.
The air outlet is provided with a detachable support body used for closing the air outlet, the support body is used for sealing the air outlet, and when the air outlet is replaced, the support body can be used for closing the air outlet.
The utility model discloses a pressure gauge, including the supporter, gas outlet department be equipped with manometer seat joint complex supporting seat, the supporting seat can carry out the rotation of supporting seat for manometer seat rotatable setting for the putting position, the one end of supporting seat is equipped with the fixed screw, the supporter sets up in the supporting seat, just the one end and the gas outlet contact of supporter, the other end of supporter is restricted by the fixed screw, utilizes the fixed screw locking supporter, can guarantee the sealed of supporter and gas outlet department.
The supporter includes spheroid 6 and connector 8, be equipped with the perforation on the connector, the set screw passes the perforation with the spheroid contact, the connector sets up between supporting seat 5 and set screw to fix by set screw 7, when being connected the gas outlet with the pipeline of giving vent to anger simultaneously, can take off the supporter, and fixed by set screw and supporting seat, prevent to lose.
The supporting body is circumferentially provided with a matching groove at the position contacting with the air outlet, the annular wall 9 forming the air outlet is embedded in the matching groove, and the matching groove and the annular wall of the air outlet form sealing matching, so that the sealing of the air outlet can be realized.
The check valve component comprises a valve body, a valve core, an elastic part and a check ring, wherein a valve body channel 12 is arranged inside the valve body, one side of the valve body extends outwards to form a first joint, a first channel is arranged inside the first joint, a middle channel 13 is formed between the first channel and the valve body channel, the valve core for switching on and off a passage between the first channel 16 and the middle channel is arranged in the valve body channel in a sliding mode, the valve core is a conical valve core 15, a through hole 17 for communicating the middle channel and the valve body channel is formed in the side wall of the valve core, the elastic part is inserted inside the valve core and is a spring, the other end of the elastic part is connected with the check ring, and the other end of the valve body extends to form a second joint 14 which is matched with the. The valve core is ejected by gas or liquid to enter the valve body channel from the through hole.
And a third joint 3 with a straight pipeline is arranged between the check valve assembly and the pressure gauge seat. The check valve assembly can be disassembled according to requirements, so that a common vent pipeline is adopted at the air inlet.
The examples should not be construed as limiting the present invention, but any modifications made based on the spirit of the present invention should be within the scope of the present invention.
Claims (8)
1. A pressure gauge, characterized in that: it includes the three-way manometer seat, the lower extreme of manometer seat is gas outlet, upper end for test end, side be the air inlet, gas outlet, test end and air inlet are through setting up the inside pipe intercommunication in the manometer seat, the test end is equipped with the manometer head, manometer head is equipped with the straight tube cavity with manometer seat junction, straight tube cavity bottom is provided with the sealing plug that can slide, the straight tube cavity intussuseption of sealing plug top is filled with antifreeze, air inlet department can dismantle and be equipped with the check valve subassembly that only allows to let in the air current to manometer seat inside pipe, air outlet department is equipped with the supporter that detachable is used for closed gas outlet.
2. A pressure gauge according to claim 1, wherein: the utility model discloses a pressure gauge, including the supporter, gas outlet department is equipped with the supporting seat with manometer seat joint complex, the one end of supporting seat is equipped with the set screw, the supporter sets up in the supporting seat, just the one end and the gas outlet contact of supporter, the other end of supporter is restricted by the set screw.
3. A pressure gauge according to claim 2, wherein: the support body comprises a ball body and a connector, a through hole is formed in the connector, and the fixing screw penetrates through the through hole to be in contact with the ball body.
4. A pressure gauge according to claim 2 or 3, wherein: and a matching groove is circumferentially arranged at the contact position of the support body and the air outlet, and the annular wall forming the air outlet is embedded in the matching groove.
5. A pressure gauge according to claim 1, wherein: the check valve component comprises a valve body, a valve core, an elastic part and a check ring, a valve body channel is arranged inside the valve body, one side of the valve body extends outwards to form a first joint, a first channel is arranged inside the first joint, a middle channel is formed between the first channel and the valve body channel, the valve core used for switching on and off a passage between the first channel and the middle channel is arranged in the valve body channel in a sliding mode, a through hole used for communicating the middle channel and the valve body channel is formed in the side wall of the valve core, the elastic part is inserted inside the valve core, the other end of the elastic part is connected with the check ring, and the other end of the valve body extends to form a second joint which is installed in.
6. A pressure gauge according to claim 5, wherein: the elastic piece is a spring.
7. A pressure gauge according to claim 5 or 6, wherein: and a third joint with a straight pipeline is arranged between the one-way valve assembly and the pressure gauge seat.
8. A pressure gauge according to claim 5, wherein: the valve core is a cone valve core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020493675.5U CN211504516U (en) | 2020-04-08 | 2020-04-08 | Pressure gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020493675.5U CN211504516U (en) | 2020-04-08 | 2020-04-08 | Pressure gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211504516U true CN211504516U (en) | 2020-09-15 |
Family
ID=72403904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020493675.5U Active CN211504516U (en) | 2020-04-08 | 2020-04-08 | Pressure gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211504516U (en) |
-
2020
- 2020-04-08 CN CN202020493675.5U patent/CN211504516U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A pressure gauge Granted publication date: 20200915 Pledgee: Zhejiang Zhoushan Putuo Rural Commercial Bank Co.,Ltd. Liuheng sub branch Pledgor: Zhoushan Jiaxing Instrument Co.,Ltd. Registration number: Y2024330000030 |