CN109323793B - Pressure gauge buffer for fluid pressure measurement - Google Patents

Pressure gauge buffer for fluid pressure measurement Download PDF

Info

Publication number
CN109323793B
CN109323793B CN201811363006.XA CN201811363006A CN109323793B CN 109323793 B CN109323793 B CN 109323793B CN 201811363006 A CN201811363006 A CN 201811363006A CN 109323793 B CN109323793 B CN 109323793B
Authority
CN
China
Prior art keywords
buffer
connector
hole
channel
thread
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
Application number
CN201811363006.XA
Other languages
Chinese (zh)
Other versions
CN109323793A (en
Inventor
代永生
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Zongxing Machinery Co ltd
Original Assignee
Chongqing Zongxing Machinery Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chongqing Zongxing Machinery Co ltd filed Critical Chongqing Zongxing Machinery Co ltd
Priority to CN201811363006.XA priority Critical patent/CN109323793B/en
Publication of CN109323793A publication Critical patent/CN109323793A/en
Application granted granted Critical
Publication of CN109323793B publication Critical patent/CN109323793B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/06Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
  • Fluid-Damping Devices (AREA)

Abstract

The invention discloses a pressure gauge buffer for fluid pressure measurement, which comprises a buffer body and a buffer connector, wherein a buffer cavity, a diversion hole, a release hole and a mounting hole are sequentially formed in the buffer body, and internal threads are formed in the inner walls of the buffer cavity and the mounting hole; the outer side of the buffer connector is sequentially provided with a connecting thread, a screwing hexagon head, a sealing plate and a mounting thread, one end of the buffer connector is provided with a buffer end, the outer diameter size of the buffer end is smaller than the inner diameter size of the buffer cavity, the buffer end is internally provided with a reversing channel, and the reversing channel is distributed along the radial direction of the buffer end; the buffer connector is internally provided with a diversion channel, and the diversion channel is distributed along the axial direction of the buffer connector. The beneficial effects are that: the device has the advantages of simple structure, few parts, simple and convenient installation and operation, and no influence on the buffering effect of the device due to inaccurate installation; can play a role in triple buffering and has good buffering effect.

Description

Pressure gauge buffer for fluid pressure measurement
Technical Field
The invention relates to the technical field of fluid buffer devices, in particular to a pressure gauge buffer for fluid pressure measurement.
Background
In order to ensure normal and safe operation of an oil way of the equipment, the pressure gauge is required to detect the oil pressure of the oil way, and in order to ensure normal operation of the pressure gauge, the service life of the pressure gauge is prolonged, and a buffer is required to buffer and protect the pressure gauge.
The application number is: 201621120818.8 specifically discloses a drilling oil recovery control valve manometer buffer, including buffer end cap, buffer upper cover, buffer copper pipe, buffer body, buffer lower cover, L type sealing washer and O type sealing washer, buffer body and buffer upper cover and buffer lower cover are cylindrical, and buffer body is threaded connection with the connection of buffer upper cover and buffer lower cover, and buffer end cap is set up respectively at buffer body hole both ends, installs a buffer copper pipe on the buffer end cap of both ends respectively, and L type sealing washer and O type sealing washer are equipped with respectively to the buffer end cap of both ends. The patent has the advantages of complex structure, large number of parts, inconvenient installation, easy influence on the buffering effect of the device due to inaccurate installation and unsatisfactory use effect; meanwhile, only one buffer can be realized, and the buffer effect is not ideal.
Disclosure of Invention
The invention aims to solve the problems and provide the pressure meter buffer for fluid pressure measurement, so as to solve the problems that the prior pressure meter buffer in the prior art has complex structure, a large number of parts and inconvenient installation, and the buffer effect of the device is easily affected due to inaccurate installation, and the use effect is not ideal; meanwhile, the buffer device can only realize one-time buffer, and the buffer effect is not ideal. The preferred technical proposal of the technical proposal provided by the invention has simple structure, few parts, simple and convenient installation and operation, no influence on the buffering effect of the device due to inaccurate installation and good use effect; can play a role in triple buffering, has good buffering effect and other technical effects, and is explained in detail below.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the invention provides a pressure gauge buffer for fluid pressure measurement, which comprises a buffer body and a buffer connector, wherein a buffer cavity, a diversion hole, a release hole and a mounting hole are sequentially arranged in the buffer body along the flow direction of oil, the buffer cavity, the diversion hole, the release hole and the mounting hole are communicated, the release hole is in a conical structure, and the large-diameter end of the release hole is communicated with the mounting hole; the inner wall of the buffer cavity is provided with an internal thread for installing the buffer connector, and the inner wall of the installation hole is provided with an internal thread for realizing the connection between the buffer body and the pressure gauge;
the outer side of the buffer connector is sequentially provided with a connecting thread, a screwing hexagonal head, a sealing plate and a mounting thread along the flow direction of oil, the connecting thread is used for realizing the connection between the buffer connector and an oil way, the screwing hexagonal head is used for realizing the installation of the buffer connector and the buffer body through screwing a spanner, and the mounting thread is matched with an internal thread of the inner wall of the buffer cavity and is used for realizing the threaded connection between the buffer connector and the buffer body; the buffer connector is provided with a buffer end close to one end of the mounting thread, the outer diameter of the buffer end is smaller than the inner diameter of the buffer cavity, the buffer end is internally provided with reversing channels, and the reversing channels are distributed along the radial direction of the buffer end and penetrate through the buffer end; the buffer connector is internally provided with a diversion channel, the diversion channel is distributed along the axial direction of the buffer connector, and the diversion channel is communicated with the reversing channel.
By adopting the pressure gauge buffer for fluid pressure measurement, when the device is used, the buffer connector and the buffer body are connected and installed through the fit of the mounting screw thread and the internal screw thread of the inner wall of the buffer cavity, so that the sealing plate is in close contact with the end face of the buffer body to play a sealing role, at the moment, the buffer end is positioned in the buffer cavity, the pressure gauge and the buffer body are connected through the internal screw thread of the inner wall of the mounting hole, and the buffer connector and an oil way are connected through the connecting screw thread; the device has the advantages of simple structure, few parts, simple and convenient installation and operation, and no influence on the buffering effect of the device due to inaccurate installation; when the device works, oil in an oil way sequentially flows through the diversion channel, the reversing channel, the buffer cavity, the diversion hole and the release hole, finally, the oil way enters the mounting hole, the diversion channel and the reversing channel which are distributed vertically are used for slowing down the flow speed of the oil, so that the oil is buffered again, the oil flows into a large space of the buffer cavity from a small space of the reversing channel, the pressure of the oil can be reduced, the double buffering is realized, and as the release hole adopts a conical structure, the large diameter end of the release hole is communicated with the mounting hole, the oil pressure can be reduced when the oil flows out from the release hole, the triple buffering is realized, the whole device can realize the triple buffering, the buffering effect is good, the normal operation of the pressure gauge is guaranteed, and the service life of the pressure gauge is prolonged.
Preferably, the end face, close to the buffer cavity, of the buffer body is provided with an annular groove, and a sealing ring is installed inside the annular groove.
Preferably, a concave groove is formed in the outer side of the buffer end, and the outlet end of the reversing channel is located at the inner bottom of the concave groove.
Preferably, the number of the reversing channels is two, and the reversing channels are distributed perpendicular to each other.
Preferably, the buffer connector outside is provided with dodges the groove, dodge the groove and encircle the excircle of buffer connector, dodge the groove and have two altogether, and be located respectively the connecting thread with twist between the hexagon head, and the closing plate with between the mounting thread.
The beneficial effects are that: 1. the device has the advantages of simple structure, few parts, simple and convenient installation and operation, no influence on the buffering effect of the device due to inaccurate installation, and good use effect;
2. can play a role in triple buffering and has good buffering effect.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view of the internal structure of the present invention;
FIG. 2 is a front view of the internal structure of the damper body of the present invention;
fig. 3 is a front view showing the internal structure of the damper connector of the present invention.
The reference numerals are explained as follows:
1. a buffer body; 101. a mounting hole; 102. a release hole; 103. a deflector aperture; 104. a buffer chamber; 105. an annular groove; 2. a buffer connector; 201. a connecting thread; 202. screwing the hexagonal head; 203. a sealing plate; 204. installing a thread; 205. a buffer end; 206. a reversing channel; 207. a concave groove; 208. a diversion channel; 209. an avoidance groove; 3. and (3) sealing rings.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, based on the examples herein, which are within the scope of the invention as defined by the claims, will be within the scope of the invention as defined by the claims.
Referring to fig. 1-3, the invention provides a pressure gauge buffer for fluid pressure measurement, which comprises a buffer body 1 and a buffer connector 2, wherein a buffer cavity 104, a flow guiding hole 103, a release hole 102 and a mounting hole 101 are sequentially arranged in the buffer body 1 along the oil flow direction, the buffer cavity 104, the flow guiding hole 103, the release hole 102 and the mounting hole 101 are communicated, the release hole 102 is in a conical structure, and the large diameter end of the release hole 102 is communicated with the mounting hole (101); the inner wall of the buffer cavity 104 is provided with internal threads for installing the buffer connector 2, and the inner wall of the mounting hole 101 is provided with internal threads for realizing the connection between the buffer body 1 and the pressure gauge;
the outer side of the buffer connector 2 is sequentially provided with a connecting thread 201, a screwing hexagonal head 202, a sealing plate 203 and an installing thread 204 along the flow direction of oil, wherein the connecting thread 201 is used for realizing the connection between the buffer connector 2 and an oil way, the screwing hexagonal head 202 is used for realizing the installation of the buffer connector 2 and the buffer body 1 through screwing a spanner, and the installing thread 204 is matched with an internal thread on the inner wall of the buffer cavity 104 and is used for realizing the threaded connection between the buffer connector 2 and the buffer body 1; a buffer end 205 is arranged at one end of the buffer connector 2, which is close to the mounting thread 204, the outer diameter size of the buffer end 205 is smaller than the inner diameter size of the buffer cavity 104, reversing channels 206 are arranged in the buffer end 205, and the reversing channels 206 are distributed along the radial direction of the buffer end 205 and penetrate through the buffer end 205; the inside of the buffer connector 2 is provided with a diversion channel 208, the diversion channel 208 is distributed along the axial direction of the buffer connector 2, and the diversion channel 208 is communicated with the reversing channel 206.
As an alternative embodiment, the end face, close to the buffer cavity 104, of the buffer body 1 is provided with an annular groove 105, and a sealing ring 3 is installed inside the annular groove 105, so that the sealing performance between the sealing plate 203 and the buffer body 1 can be improved, and oil leakage is prevented;
the outer side of the buffer end 205 is provided with a concave groove 207, and the outlet end of the reversing channel 206 is positioned at the inner bottom of the concave groove 207, so that the reversing channel 206 is convenient to process, and meanwhile, the space between the outlet end of the reversing channel 206 and the inner wall of the buffer cavity 104 is increased, oil can conveniently enter the buffer cavity 104 from the reversing channel 206, and the buffer effect is assisted;
the two reversing channels 206 are distributed vertically, so that the arrangement can play a role in diversion, reduce the oil quantity in each reversing channel 206 and play a role in buffering;
the outer side of the buffer connector 2 is provided with two avoidance grooves 209, the avoidance grooves 209 encircle the outer circle of the buffer connector 2, and the two avoidance grooves 209 are respectively positioned between the connecting thread 201 and the screwing hexagon 202 and between the sealing plate 203 and the mounting thread 204; the setting can make the installation screw thread 204 screw in completely inside the cushion chamber 104 through dodging the groove 209 like this, makes the terminal surface of closing plate 203 and buffer body 1 fully contact, guarantees the installation seal effect between buffer body 1 and the buffer connector 2, can make connecting screw thread 201 screw in completely inside the oil circuit simultaneously, makes to screw in hexagon 202 and oil circuit terminal surface fully contact, guarantees the connection seal effect between buffer connector 2 and the oil circuit.
By adopting the structure, when the device is used, the buffer connector 2 and the buffer body 1 are connected and installed through the matching of the mounting screw thread 204 and the internal screw thread of the inner wall of the buffer cavity 104, so that the sealing plate 203 is tightly contacted with the end surface of the buffer body 1 to play a sealing role, at the moment, the buffer end 205 is positioned in the buffer cavity 104, the pressure gauge is connected with the buffer body 1 through the internal screw thread of the inner wall of the mounting hole 101, and the buffer connector 2 is connected with an oil way through the connecting screw thread 201; the device has the advantages of simple structure, few parts, simple and convenient installation and operation, and no influence on the buffering effect of the device due to inaccurate installation; when the device works, oil in an oil way sequentially flows through the diversion channel 208, the reversing channel 206, the buffer cavity 104 and the diversion hole 103, finally enters the installation hole 101, the flow speed of the oil is slowed down through the diversion channel 208 and the reversing channel 206 which are distributed vertically, heavy buffering is achieved, the oil flows into a large space of the buffer cavity 104 from a small space of the reversing channel 206, the pressure of the oil can be reduced, double buffering is achieved, the release hole 102 adopts a conical structure, the large diameter end of the release hole is communicated with the installation hole 101, the oil pressure can be reduced when the oil flows out from the release hole 102, triple buffering is achieved, the whole device can achieve triple buffering, the buffering effect is good, the normal operation of a pressure gauge is guaranteed, and the service life of the pressure gauge is prolonged.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (2)

1. The utility model provides a manometer buffer for fluid pressure measurement, includes buffer body (1) and buffer connector (2), its characterized in that: the buffer comprises a buffer body (1), wherein a buffer cavity (104), a flow guide hole (103), a release hole (102) and a mounting hole (101) are sequentially formed in the buffer body (1) along the flow direction of oil, the buffer cavity (104), the flow guide hole (103), the release hole (102) and the mounting hole (101) are communicated, the release hole (102) is in a conical structure, and the large-diameter end of the release hole (102) is communicated with the mounting hole (101); the inner wall of the buffer cavity (104) is provided with internal threads for installing the buffer connector (2), and the inner wall of the installation hole (101) is provided with internal threads for realizing the connection between the buffer body (1) and the pressure gauge;
the outside of buffer connector (2) has set gradually connecting thread (201), has screwed hexagonal head (202), closing plate (203) and mounting thread (204) along the flow direction of oil, connecting thread (201) are used for realizing the connection of buffer connector (2) and oil circuit, it is used for realizing through the spanner to twist to screw hexagonal head (202) buffer connector (2) with the installation of buffer body (1), mounting thread (204) with the internal thread of buffer chamber (104) inner wall cooperatees, is used for realizing buffer connector (2) with the threaded connection of buffer body (1); one end, close to the mounting thread (204), of the buffer connector (2) is provided with a buffer end (205), the outer diameter of the buffer end (205) is smaller than the inner diameter of the buffer cavity (104), a reversing channel (206) is arranged in the buffer end (205), and the reversing channel (206) is distributed along the radial direction of the buffer end (205) and penetrates through the buffer end (205); a diversion channel (208) is arranged inside the buffer connector (2), the diversion channel (208) is distributed along the axial direction of the buffer connector (2), and the diversion channel (208) is communicated with the reversing channel (206);
the sealing plate (203) is closely contacted with the end surface of the buffer body (1);
an annular groove (105) is formed in the end face, close to the buffer cavity (104), of the buffer body (1), and a sealing ring (3) is arranged in the annular groove (105);
a concave groove (207) is formed in the outer side of the buffer end (205), and the outlet end of the reversing channel (206) is positioned at the inner bottom of the concave groove (207);
the number of the reversing channels (206) is two, and the reversing channels are distributed perpendicular to each other.
2. A pressure gauge buffer for fluid pressure measurement as defined in claim 1, wherein: the novel anti-collision device is characterized in that an avoidance groove (209) is formed in the outer side of the buffer connector (2), the avoidance groove (209) surrounds the outer circle of the buffer connector (2), the number of the avoidance grooves (209) is two, and the avoidance grooves are respectively located between the connecting threads (201) and the screwing hexagonal heads (202), and between the sealing plate (203) and the mounting threads (204).
CN201811363006.XA 2018-11-16 2018-11-16 Pressure gauge buffer for fluid pressure measurement Active CN109323793B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811363006.XA CN109323793B (en) 2018-11-16 2018-11-16 Pressure gauge buffer for fluid pressure measurement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811363006.XA CN109323793B (en) 2018-11-16 2018-11-16 Pressure gauge buffer for fluid pressure measurement

Publications (2)

Publication Number Publication Date
CN109323793A CN109323793A (en) 2019-02-12
CN109323793B true CN109323793B (en) 2024-03-05

Family

ID=65258422

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811363006.XA Active CN109323793B (en) 2018-11-16 2018-11-16 Pressure gauge buffer for fluid pressure measurement

Country Status (1)

Country Link
CN (1) CN109323793B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109883607B (en) * 2019-02-19 2024-11-12 武汉中航传感技术有限责任公司 A fixed core type pressure buffer device and pressure sensor
CN110552985A (en) * 2019-09-17 2019-12-10 重庆宗星机械有限责任公司 Piston type buffer
CN115704314A (en) * 2021-08-11 2023-02-17 中国石油天然气股份有限公司 Multifunctional pressure measuring nipple for volume fracturing wellhead

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020073617A (en) * 2001-03-15 2002-09-28 주식회사 세아 Connecting adapter of preasure gauge
CN204214593U (en) * 2014-12-11 2015-03-18 重庆九州探矿机械技术开发公司 Pressure ga(u)ge damper
CN204679207U (en) * 2015-06-05 2015-09-30 合肥中亚传感器有限责任公司 The two damping pressure transmitter of a kind of binodal
CN206158728U (en) * 2016-10-07 2017-05-10 杨俊� Bore oil recovery control valve pressure ga(u)ge damper
DE102016209773A1 (en) * 2016-06-03 2017-12-07 Robert Bosch Gmbh Throttling element for damping pressure pulses of a fluid medium in a measuring chamber to a pressure sensor
CN209432341U (en) * 2018-11-16 2019-09-24 重庆宗星机械有限责任公司 A kind of fluid survey pressure pressure ga(u)ge damper

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020073617A (en) * 2001-03-15 2002-09-28 주식회사 세아 Connecting adapter of preasure gauge
CN204214593U (en) * 2014-12-11 2015-03-18 重庆九州探矿机械技术开发公司 Pressure ga(u)ge damper
CN204679207U (en) * 2015-06-05 2015-09-30 合肥中亚传感器有限责任公司 The two damping pressure transmitter of a kind of binodal
DE102016209773A1 (en) * 2016-06-03 2017-12-07 Robert Bosch Gmbh Throttling element for damping pressure pulses of a fluid medium in a measuring chamber to a pressure sensor
CN206158728U (en) * 2016-10-07 2017-05-10 杨俊� Bore oil recovery control valve pressure ga(u)ge damper
CN209432341U (en) * 2018-11-16 2019-09-24 重庆宗星机械有限责任公司 A kind of fluid survey pressure pressure ga(u)ge damper

Also Published As

Publication number Publication date
CN109323793A (en) 2019-02-12

Similar Documents

Publication Publication Date Title
CN109323793B (en) Pressure gauge buffer for fluid pressure measurement
CN113324078B (en) Novel self-checking formula relief valve
CN208474767U (en) A kind of plug
CN211667384U (en) Plugging joint for air tightness leak detector
CN203906895U (en) Safety barrel end cover with controllable liquid medium flowing direction
CN209432341U (en) A kind of fluid survey pressure pressure ga(u)ge damper
CN208000173U (en) A kind of Novel pressure meter damping structure
CN204964099U (en) Pressure measurement valve
CN114294449B (en) Internal pressure relief type one-way valve
CN207094047U (en) Novel threaded plug
CN205401371U (en) Transition connecting bolt
CN212717443U (en) Miniature block type one-way hydraulic valve
CN210565965U (en) Piston type buffer
CN203958292U (en) Heavy motor vehicle hydraulic power-assist steering system detects connection structure
CN210771395U (en) Grease injection check valve
CN211693642U (en) Pipeline safety device
CN204164448U (en) A kind of pressurized container uses emergency seat
CN209839163U (en) High-reliability sampling valve for transformer
CN217463609U (en) Safety valve inner opening connecting and sealing mechanism
CN110552985A (en) Piston type buffer
CN218955982U (en) Sealing structure of pressure sensor
CN105422159A (en) Large flow overflow safety valve
CN220955567U (en) Joint for underground sampler
CN210770318U (en) Pneumatic angle seat valve
CN220187909U (en) Pressure gauge connectors and pressure gauges

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant