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CN-122016396-A - Pressure gauge blowdown sampling detection device

CN122016396ACN 122016396 ACN122016396 ACN 122016396ACN-122016396-A

Abstract

The invention relates to the technical field related to detection devices, in particular to a pressure gauge emptying and pollution discharge sampling detection device which comprises a sampling valve, a buffer tube and a pressure gauge, wherein the sampling valve comprises a main valve body, a valve core limiting seat, a valve core, a valve shaft and a rotating handle, valve cavities are formed in the main valve body and the valve core limiting seat, the valve core limiting seat is in threaded connection with the main valve body, the valve core is movably arranged in the valve cavities on the main valve body and the valve core limiting seat, a valve shaft mounting groove is formed in the side wall of the valve cavity of the main valve body in a penetrating manner, the valve shaft is rotatably arranged in the valve shaft mounting groove, the rotating handle is fixedly connected with the outer side end of the valve shaft, and the middle part of the buffer tube is spirally arranged through the buffer tube, so that the buffer effect of the buffer tube is avoided, and the strong direct impact of fluid on the pressure gauge caused by too severe pressure fluctuation of a middle tube of a pipeline system, thereby influencing the whole service life of the pressure gauge.

Inventors

  • YAN JIANXIANG
  • YAN BIN

Assignees

  • 江苏阜祥阀门制造有限公司

Dates

Publication Date
20260512
Application Date
20260303

Claims (10)

  1. 1. The pressure gauge emptying pollution discharge sampling detection device is characterized by comprising: The sampling valve (1), sampling valve (1) includes main valve body (4), case spacing seat (5), case (6), valve shaft (7) and rotating handle (8), valve pocket (9) have all been seted up on main valve body (4), case spacing seat (5) threaded connection is on main valve body (4), case (6) activity sets up in valve pocket (9) on main valve body (4), case spacing seat (5), the valve pocket (9) lateral wall of main valve body (4) is run through and is seted up the valve shaft mounting groove, valve shaft (7) rotate and set up in the valve shaft mounting groove, rotating handle (8) are fixed connection with the outside end of valve shaft (7), the inboard end and the case (6) fixed connection of valve shaft (7), four-stage pore canal (16) have been seted up on the lateral wall of valve pocket (9) on case spacing seat (5), four-stage connector (17) are formed in the outside port department, three-way thread connection on four-stage connector (17) and the pipeline system. The buffer tube (2), offer one-level pore (10), second grade pore (11) and tertiary pore (12) on the valve pocket lateral wall of main valve body (4), one-level pore (10), second grade pore (11), the outside end of tertiary pore (12) integrated into one piece respectively has one-level connector (13), second grade connector (14) and sampling port (15), the port department threaded connection of sampling port (15) has sealing cap (21), buffer tube (2) are connected with one-level connector (13) through one-level pipeline connecting piece (19), the mid portion of buffer tube (2) is the spiral setting, fixed welding has connecting pipe (18) on the upside end lateral wall of buffer tube (2), connecting pipe (18) are linked together with buffer tube (2) and are set up, the downside end of connecting pipe (18) is connected with sampling port (15) through second grade pipeline connecting piece (20). The pressure gauge (3), the feed liquor mouth of pressure gauge (3) is connected with the upside end screw thread of buffer tube (2).
  2. 2. The device for detecting the emptying and pollution discharge of the pressure gauge is characterized in that a primary channel (22), a secondary channel (23) and a main channel (24) are formed in the valve core (6), the primary channel (22) and the secondary channel (23) are of arc-shaped channel structures, the main channel (24) is a straight channel, the primary channel (22) and the secondary channel (23) are symmetrically arranged on two sides of the main channel (24), and when the pressure gauge (3) is in a monitoring state, the valve core (6) rotates until the main channel (24) is communicated with the primary channel (10) and the quaternary channel (16), and ports of the primary channel (22), the secondary channel (23) and ports of the secondary channel (11) and the tertiary channel (12) are staggered.
  3. 3. The device for detecting the emptying and pollution discharge of the pressure gauge according to claim 2, wherein the sampling valve (1) is arranged in a pollution discharge sampling process, an included angle of 45 degrees is formed between the main flow channel (24) and the primary channel (10), the secondary flow channel (23) is communicated with the secondary channel (11) and the quaternary channel (16), the primary flow channel (22) is communicated with the primary channel (10) and the tertiary channel (12), and the main flow channel (24) is staggered with the primary channel (10), the secondary channel (11), the tertiary channel (12) and the quaternary channel (16).
  4. 4. The device for detecting the emptying and pollution discharge of the pressure gauge is characterized in that a limiting hole (25) is formed in the side wall of a valve cavity (9) of the main valve body (4), the limiting hole (25) is of a fan-shaped hole body structure, the central angle of the limiting hole (25) is 225 degrees, a first-stage movable hole (26) is formed in the side wall of the valve core (6), the first-stage movable hole (26) is of a hole body structure with a regular hexagon in section, a movable column (27) is movably mounted in the first-stage movable hole (26), the section size of the movable column (27) is matched with the section size of the first-stage movable hole (26), a first-stage spring groove (28) is formed in the inner side end of the movable column (27), a first-stage supporting spring (29) is fixedly bonded at the bottom of the first-stage spring groove, the outer side end of the first-stage supporting spring (29) is fixedly bonded with the bottom of the first-stage movable hole (26), and a limiting column (30) is integrally formed at the outer side end of the movable column (27), and the section of the limiting column (30) is semicircular.
  5. 5. The device for detecting the emptying, pollution discharge and sampling of the pressure gauge according to claim 4, wherein two side surfaces of the limiting hole (25) are respectively marked as an M surface and an N surface, when the valve core (6) rotates to the position limiting column (30) and the plane is abutted against the M surface, the main flow channel (24) is communicated with the primary channel (10) and the quaternary channel (16), and when the valve core (6) rotates to the position limiting column (30) and the plane is abutted against the N surface, the secondary flow channel (23) is communicated with the secondary channel (11) and the quaternary channel (16).
  6. 6. The device for detecting the emptying and pollution discharge of the pressure gauge is characterized in that a valve shaft butt joint hole is formed in the valve core (6), a clamping hole (31) is formed in the side wall of the valve shaft butt joint hole, a second-stage movable hole (32) is formed in the side wall of the valve shaft (7), a pair of second-stage movable holes (32) are symmetrically formed, the width value of each second-stage movable hole (32) is matched with the width value of each clamping hole (31), the section of each second-stage movable hole (32) is square, a clamping block (33) is movably mounted in each second-stage movable hole (32), a second-stage supporting spring (34) is fixedly bonded with the inner side end of each clamping block (33), and when the second-stage supporting spring (34) is in a reset state, the outer side end of each clamping block (33) is inserted into each clamping hole (31).
  7. 7. The device for detecting the emptying, pollution discharge and sampling of the pressure gauge according to claim 6, wherein the cross section of the clamping block (33) is in a right trapezoid shape, and the inclined surface of the clamping block (33) is arranged towards the inner side of the clamping hole (31).
  8. 8. The device for detecting the emptying and pollution discharge of the pressure gauge is characterized in that a three-stage movable groove (35) is formed in the main valve body (4), a pushing block groove (41) is formed in the side wall of the three-stage movable groove (35), a movable rod (36) is movably arranged in the three-stage movable groove (35), a three-stage supporting spring (37) is fixedly bonded at the inner side end of the movable rod (36), a clamping rod (38) is integrally formed at the outer side end of the movable rod (36), a circular seat (39) is integrally formed in the side wall of the valve core limiting seat (5), a clamping rod hole (40) is formed in one side, facing the main valve body (4), of the circular seat (39), the clamping rod hole (40) is circumferentially arranged around the circular seat (39), and when the three-stage supporting spring (37) is in a reset state, the end part of the clamping rod (38) is clamped into the clamping rod hole (40).
  9. 9. The device for detecting the emptying, pollution discharge and sampling of the pressure gauge according to claim 8, wherein a push rod (42) is integrally formed on the side wall of the movable rod (36), the push rod (42) passes through the push block groove (41), and the clamping rod (38) is completely separated from the clamping rod hole (40) when the push rod (42) is pushed up.
  10. 10. The pressure gauge emptying and pollution discharge sampling detection device according to claim 1, wherein the interfaces of the main valve body (4) and the valve core limiting seat (5) are provided with primary sealing grooves, primary sealing rings (43) are embedded in the primary sealing grooves, the side wall of the valve shaft (7) is provided with secondary sealing grooves, secondary sealing rings (49) are embedded in the secondary sealing grooves, three-level sealing rings (45) are arranged at the connection positions of the buffer tube (2) and the primary connecting port (13), four-level sealing rings (47) are arranged at the connection positions of the connecting tube (18) and the sampling port (15), and five-level sealing rings (48) are arranged on the inner side pad of the sealing cover (21).

Description

Pressure gauge blowdown sampling detection device Technical Field The invention relates to the technical field of detection devices, in particular to a pressure gauge emptying pollution discharge sampling detection device. Background Sampling detection generally refers to that a part of the whole body is extracted according to a rule, and an experiment or instrument is used for measuring one test to judge whether the whole body is qualified or meets the standard; The prior Chinese patent document with the publication number of CN220104566U discloses a sampling device of a water treatment chemical analysis instrument, which comprises a sampling preposed water tank, a preliminary sedimentation area and a filtering area, wherein the sampling preposed water tank is divided into a preliminary sedimentation area and the filtering area by a baffle plate, a stainless steel net and a filler are arranged in the filtering area, a sampling water pipe in the preliminary sedimentation area, a sampling water inlet manual valve is arranged on the sampling water pipe, one end of the preliminary sedimentation area is connected with a first sewage overflow pipe, the bottom of the preliminary sedimentation area is respectively connected with a second sewage drain pipe through two pipelines, a sewage drain electromagnetic valve is arranged on one pipeline, a sewage drain manual valve is arranged on the other pipeline, the filtering area is connected with a water outlet pipe through a water pump, and a pressure gauge, a check valve, a water outlet valve, a Y-shaped filter and a water outlet shutoff electromagnetic valve are sequentially arranged on the water outlet pipe; however, in the above-mentioned scheme, when detecting the fluid material in the pipeline, it needs independent structures such as manometer, check valve, water outlet valve, etc. to lead to the fact its structure to need a plurality of independent installation butt joint structures, thus lead to its structure to be comparatively troublesome in installation, later stage overhauls maintenance, and among the above-mentioned scheme, the manometer is directly connected with the pipeline system, and the wave pair of pressure among the pipeline system can directly cause stronger direct effort to the manometer, thereby easily lead to the detecting element of manometer to damage, thereby influence the life of manometer, therefore, the invention provides a manometer blowdown sampling detection device for solving above-mentioned problem. Disclosure of Invention The invention aims to provide a pressure gauge emptying pollution discharge sampling detection device so as to solve the problems in the background technology. In order to achieve the purpose, the invention provides the following technical scheme that the pressure gauge emptying pollution discharge sampling detection device comprises: The sampling valve comprises a main valve body, a valve core limiting seat, a valve core, a valve shaft and a rotating handle, wherein valve cavities are formed in the main valve body and the valve core limiting seat, the valve core limiting seat is in threaded connection with the main valve body, the valve core is movably arranged in the valve cavities on the main valve body and the valve core limiting seat, a valve shaft mounting groove is formed in the side wall of the valve cavity of the main valve body in a penetrating manner, the valve shaft is rotatably arranged in the valve shaft mounting groove, the rotating handle is fixedly connected with the outer side end of the valve shaft, the inner side end of the valve shaft is fixedly connected with the valve core, a four-stage pore canal is formed in the side wall of the valve cavity on the valve core limiting seat, a four-stage connecting port is formed at the outer side port of the four-stage pore canal, and the four-stage connecting port is in threaded connection with a three-way connector on a pipeline system; The buffer tube is connected with the first-stage connecting port through a first-stage pipeline connecting piece, the middle part of the buffer tube is spirally arranged, a connecting pipe is fixedly welded on the side wall of the upper side end of the buffer tube, the connecting pipe is communicated with the buffer tube, and the lower side end of the connecting pipe is connected with the sampling port through a second-stage pipeline connecting piece; the liquid inlet of the pressure gauge is in threaded connection with the upper side end of the buffer tube. Preferably, the valve core is provided with a primary runner, a secondary runner and a main runner, the primary runner and the secondary runner are of arc-shaped pore structures, the main runner is a straight pore channel, the primary runner and the secondary runner are symmetrically arranged on two sides of the main runner, when the pressure gauge is in a monitoring state, the valve core rotates to the main runner to form communication with the primary pore channel a