CN110967073A - Differential pressure type flowmeter in waste water pipeline - Google Patents
Differential pressure type flowmeter in waste water pipeline Download PDFInfo
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- CN110967073A CN110967073A CN201911402842.9A CN201911402842A CN110967073A CN 110967073 A CN110967073 A CN 110967073A CN 201911402842 A CN201911402842 A CN 201911402842A CN 110967073 A CN110967073 A CN 110967073A
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- pressure type
- flowmeter
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- 239000002351 wastewater Substances 0.000 title claims abstract description 20
- 230000000694 effects Effects 0.000 claims description 38
- 230000001681 protective effect Effects 0.000 claims description 30
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 27
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 27
- 241001330002 Bambuseae Species 0.000 claims description 27
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 27
- 239000011425 bamboo Substances 0.000 claims description 27
- 229920001821 foam rubber Polymers 0.000 claims description 26
- 238000007789 sealing Methods 0.000 claims description 24
- 230000003139 buffering effect Effects 0.000 claims description 22
- 229920001971 elastomer Polymers 0.000 claims description 13
- 239000002985 plastic film Substances 0.000 claims description 4
- 229920006255 plastic film Polymers 0.000 claims description 4
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 239000011324 bead Substances 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 7
- 239000002699 waste material Substances 0.000 abstract description 5
- 238000007790 scraping Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 15
- 230000008569 process Effects 0.000 description 11
- 230000000903 blocking effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000003599 detergent Substances 0.000 description 3
- 230000003670 easy-to-clean Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/34—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
- G01F1/36—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/18—Supports or connecting means for meters
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention relates to the field of differential pressure type flowmeters, and discloses a differential pressure type flowmeter in a waste water pipeline, which comprises a pipe body, wherein a pressure guide pipe is arranged on the outer surface of the upper end of the pipe body, the lower end of the pressure guide pipe extends to the inner side of the pipe body, the pressure guide pipe and the pipe body are fixedly connected, a buffer structure is arranged on the outer surface of the pressure guide pipe, a flowmeter main body is connected to the upper end of the pressure guide pipe, a protection structure is movably arranged at the front end of the flowmeter main body, an anti-collision structure is arranged at the rear end of the flowmeter main body, and a dredging structure is arranged on one side, close to. This differential flowmeter among waste pipe says possesses that the connecting pipe is not fragile, the panel board is difficult for scraping flower, play better guard action in the handling, easily clear up the filth of collecting up in the body.
Description
Technical Field
The invention relates to the field of differential pressure type flow meters, in particular to a differential pressure type flow meter in a waste water pipeline.
Background
The differential pressure flowmeter is an instrument for measuring flow rate, and is characterized by that it utilizes the principle of that there is a certain relationship between pressure difference produced when the fluid is passed through the throttling device and flow rate, flow measurement is achieved by measuring the differential pressure, and the throttling device is a locally constricting element installed in the pipe, most commonly an orifice plate, a nozzle and a venturi tube, in waste water pipes, a differential pressure type flow meter is usually installed, for measuring the passing flow rate of waste water, but has the disadvantages that firstly, the pressure guide pipe is easy to collide, deform and damage, the measurement precision is influenced, secondly, the display screen of the meter is easy to scratch and damage, and the rear end of the main body part of the flow meter is easy to collide with the ground and damage in the process of carrying, and finally, when the pressure difference type flowmeter is used in a waste water pipeline, dirt is prone to accumulating in the pipeline, and measuring accuracy is affected.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a differential pressure type flowmeter in a waste water pipeline, which has the advantages that a pressure guide pipe is not easy to damage, an instrument panel is not easy to scrape, a better protection effect is achieved in the carrying process, and the accumulated dirt in the pipeline body is easy to clean.
(II) technical scheme
In order to realize the purposes that the pressure guide pipe is not easy to damage, the instrument panel is not easy to scrape, a better protection effect is achieved in the carrying process, and dirt accumulated in the pipe body is easy to clean, the invention provides the following technical scheme: the utility model provides a differential flowmeter among waste pipe, includes the body, the upper end surface of body is provided with the connecting pipe, the lower extreme of connecting pipe extends to the inboard of body, and is fixed connection between connecting pipe and the body, the surface of connecting pipe is provided with buffer structure, the upper end of connecting pipe is connected with the flowmeter main part, the front end movable mounting of flowmeter main part has protection architecture, the rear end of flowmeter main part is provided with anti-collision structure, one side that the upper end surface of body is close to the connecting pipe is provided with mediation structure.
Preferably, buffer structure includes buffering cushion, outer protecting crust, dead lever, spacing head and activity breach, the fixed surface attached at the connecting pipe of buffering cushion, the fixed surface attached at the buffering cushion of outer protecting crust, the surface setting of dead lever perpendicular to connecting pipe, and be fixed connection between dead lever and the connecting pipe, spacing head fixed connection is in the one end of dead lever, the surface at outer protecting crust is seted up to the activity breach, spacing head activity card is in the inboard of activity breach.
Preferably, the number of the fixed rods, the limiting heads and the movable gaps is two, the fixed rods, the limiting heads and the movable gaps are arranged in the same vertical direction, the number of the buffer structures is a plurality of groups, and the buffer structures are symmetrically arranged on two sides of the pressure guide pipe.
Preferably, the mediation structure is including inserting a section of thick bamboo and inserting inboard sealing bolt, insert a section of thick bamboo and run through in the upper end surface of body, the upper and lower both ends that insert a section of thick bamboo are linked together, and the lower extreme that inserts a section of thick bamboo extends to the inboard of body, sealing bolt and insert for threaded connection between the section of thick bamboo, the upper end that inserts a section of thick bamboo is provided with the sealing washer, sealing bolt's upper end is connected with the bolt head, be fixed connection between bolt head and the sealing bolt, the sealing washer is cyclic annular and is located bolt head lower extreme surface, the sealing washer is by the extrusion state.
Preferably, the two ends of the pipe body are connected with two groups of connecting flanges, the connecting flanges are symmetrically arranged at the two ends of the pipe body, the connecting flanges are fixedly connected with the pipe body, mounting holes are formed in the outer surface of each connecting flange, the mounting holes penetrate through the outer surfaces of the two sides of each connecting flange, the number of the mounting holes is a plurality of groups, and the mounting holes are arranged in an annular array by taking the middle shaft of the pipe body as an axis.
Preferably, protection architecture includes protective housing and the removable protection shield of installing in the protective housing inboard, the protection shield is transparent soft plastic film, the opening has been seted up to the front end of protective housing, set up the screw thread on the inner wall of protective housing, be threaded connection between protective housing and the flowmeter main part, the flowmeter main part is including setting up the display screen at the front end, the port of display screen and the port electric connection of flowmeter main part, the protection shield is located the place ahead of display screen, and leaves the clearance between the front end surface of the rear end surface of protection shield and display screen.
Preferably, the inner wall of the protective housing is provided with a rubber layer near the front end, the rubber layer is fixedly connected with the protective housing, the inner wall of the rubber layer is provided with a limit bayonet, the protective plate is in a disc shape, the edge of the protective plate is clamped on the inner side of the limit bayonet, and the protective plate is movably attached to the inner wall of the limit bayonet.
Preferably, the anticollision structure includes a connecting cylinder and a foam-rubber cushion embedded into the rear end, the front end of the connecting cylinder is opened, a threaded surface is formed on the inner wall of the front end of the connecting cylinder, and the connecting cylinder is in threaded connection with the flowmeter main body through the threaded surface.
Preferably, the rear end of connecting cylinder has been seted up and has been inlayed the mouth, inlay the mouth and set up round protruding edge along the inner wall, the foam-rubber cushion card in the inboard of inlaying the mouth, and the rear end surface of foam-rubber cushion surpasss and inlays the mouth plane of locating at the mouth rear end, the foam-rubber cushion is cylindrical shape, protruding along the fixed surface of restriction at the foam-rubber cushion.
(III) advantageous effects
Compared with the prior art, the invention provides a differential pressure type flowmeter in a wastewater pipeline, which has the following beneficial effects:
1. this differential flowmeter among waste pipe, through being provided with buffer structure, when the connecting pipe surface receives the collision, outer protecting sheathing surface receives the collision, will extrude the buffering cushion, the buffering cushion plays the effect of buffering, the protection connecting pipe can not collide with the damage, at this in-process, the activity breach is for spacing first horizontal migration, and under the effect of spacing head and dead lever, prevent that outer protecting sheathing from taking place from top to bottom, skew around, and make the buffering cushion damage, and possess better buffering effect, play better guard action to the connecting pipe.
2. This differential flowmeter among waste pipe, through being provided with protection architecture, in the use, the protection shield does not influence the user and operates the display screen, the effect of protection is played to the protection shield simultaneously, prevent that the display screen surface from being scraped the flower, through rotating the protective housing, can follow the front end department screw-out of flowmeter main part with the protective housing, later push the protection shield backward, make the edge of protection shield break away from the inboard of spacing bayonet socket, the rubber layer can be deformed in order to ensure taking out of protection shield, later can change the protection shield, in order to ensure the protection, see through the effect of observing, partial better protection effect that possesses to the display screen.
3. This differential flowmeter among waste pipe, through being provided with crashproof structure, at the in-process of transport, fall whole flow timing, the foam-rubber cushion contacts with ground, play the effect of protection flowmeter main part rear end, through pulling out the foam-rubber cushion to the rear, can extract the foam-rubber cushion from the inboard of embedding mouth, imbed the foam-rubber cushion again after the change in order to ensure the anticollision effect, and protruding along the surface that blocks the foam-rubber cushion, prevent that the foam-rubber cushion from droing naturally from the inboard of embedding mouth, play better anticollision effect in handling.
4. This differential flowmeter among waste water pipeline, through being provided with mediation structure, when borrowing by flange and installing the flowmeter on the pipeline, through the swivel bolt head for sealing bolt is from the inboard of inserting a section of thick bamboo and unscrews, later can send into the detergent through inserting a section of thick bamboo, perhaps lets in gas in inserting a section of thick bamboo, in order to wash away the filth of inboard, plays the effect of blowdown, possesses the function of preventing blocking.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a buffer structure according to the present invention;
FIG. 3 is a schematic view of the dredging structure of the present invention;
FIG. 4 is a schematic view of the protection structure of the present invention;
FIG. 5 is a schematic view of a crash structure of the present invention;
fig. 6 is a partial schematic view of the collision avoidance result of the present invention.
In the figure: 1. a pipe body; 2. a connecting flange; 3. a pressure guide pipe; 4. a flow meter body; 41. a display screen; 5. a buffer structure; 51. a cushion pad; 52. an outer protective shell; 53. fixing the rod; 54. a limiting head; 55. a movable notch; 6. a dredging structure; 61. an insertion cartridge; 62. a seal bolt; 63. a bolt head; 64. a seal ring; 7. a protective structure; 71. a protective shell; 72. a rubber layer; 73. a limiting bayonet; 74. a protection plate; 8. an anti-collision structure; 81. a connecting cylinder; 82. a thread face; 83. a sponge cushion; 84. embedding an inlet; 85. and a convex edge.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Please refer to fig. 1-6, a differential pressure type flowmeter in a waste water pipeline, comprising a pipe body 1, wherein a pressure pipe 3 is arranged on the outer surface of the upper end of the pipe body 1, the lower end of the pressure pipe 3 extends to the inner side of the pipe body 1, and the pressure pipe 3 is fixedly connected with the pipe body 1, a buffer structure 5 is arranged on the outer surface of the pressure pipe 3, the upper end of the pressure pipe 3 is connected with a flowmeter main body 4, a protection structure 7 is movably arranged at the front end of the flowmeter main body 4, an anti-collision structure 8 is arranged at the rear end of the flowmeter main body 4, and a dredging structure 6 is arranged on one side, close to the pressure.
The quantity of dead lever 53, spacing head 54, activity breach 55 is two sets of, and dead lever 53, spacing head 54 arrange along same vertical direction with activity breach 55, and the quantity of buffer structure 5 is a plurality of groups, and buffer structure 5 is the symmetry in the both sides of connecting pipe 3 and arranges, ensures to carry out comprehensive protection to connecting pipe 3.
Dredge structure 6 including insert a section of thick bamboo 61 with insert inboard sealing bolt 62, insert a section of thick bamboo 61 and run through in the upper end surface of body 1, the upper and lower both ends that insert a section of thick bamboo 61 are linked together, and the lower extreme that inserts a section of thick bamboo 61 extends to the inboard of body 1, sealing bolt 62 with insert for threaded connection between the section of thick bamboo 61, the upper end that inserts a section of thick bamboo 61 is provided with sealing washer 64, sealing bolt 62's upper end is connected with bolt head 63, be fixed connection between bolt head 63 and the sealing bolt 62, sealing washer 64 is cyclic annular and is located bolt head 63 lower extreme surface, sealing washer 64 is by the extrusion state, play sealed effect, prevent that liquid from oozing.
The both ends of body 1 are connected with flange 2, and flange 2's quantity is two sets of, and flange 2 is the symmetry in the both ends department of body 1 and arranges, is fixed connection between flange 2 and the body 1, and the mounting hole has been seted up to flange 2's surface, and the mounting hole runs through in flange 2's both sides surface, and the quantity of mounting hole is a plurality of groups, and the mounting hole uses the axis of body 1 to be the annular array and arranges as the axle, is convenient for be connected with the pipeline.
The inner wall of protective housing 71 is provided with rubber layer 72 near the front end, is fixed connection between rubber layer 72 and the protective housing 71, has seted up spacing bayonet 73 on the inner wall of rubber layer 72, and protection plate 74 is the disc form, and the edge card of protection plate 74 is in the inboard of spacing bayonet 73, and protection plate 74 and the movable laminating of the inner wall of spacing bayonet 73 ensure that protection plate 74 can take off.
The anti-collision structure 8 comprises a connecting cylinder 81 and a sponge pad 83 embedded into the rear end, the front end of the connecting cylinder 81 is opened, a thread surface 82 is formed in the inner wall of the front end of the connecting cylinder 81, the connecting cylinder 81 is in threaded connection with the flowmeter main body 4 through the thread surface 82, and the connecting cylinder 81 is convenient to take down.
The rear end of connecting cylinder 81 has been seted up and has been inlayed entry 84, and inlay mouth 84 sets up round protruding edge 85 along the inner wall, and foam-rubber cushion 83 blocks in the inboard of inlaying entry 84, and foam-rubber cushion 83's rear end surface surpasss and inlays the plane that entry 84 rear end bead is located, and foam-rubber cushion 83 is the cylinder shape, and protruding restriction along 85 is at foam-rubber cushion 83's surface, prevents that foam-rubber cushion 83 from breaking away from the inboard of inlaying entry 84 naturally.
When the flowmeter is in operation, when the surface of the pressure guide pipe 3 is collided, the surface of the outer protective shell 52 receives the collision, the buffer cushion 51 can be extruded, the buffer cushion 51 plays a role in buffering, the pressure guide pipe 3 can be protected from being collided and damaged, the pressure guide pipe 3 can be well protected, in the using process, the protection plate 74 does not influence the operation of a user on the display screen 41, meanwhile, the protection plate 74 plays a role in protecting, the surface of the display screen 41 is prevented from being scratched, the user can rotate the protection shell 71, the protection shell 71 can be screwed out from the front end of the flowmeter main body 4 and then pushes the protection plate 74 backwards, so that the edge of the protection plate 74 is separated from the inner side of the limiting bayonet 73, the rubber layer 72 can be deformed to ensure the taking-out of the protection plate 74, then the protection plate 74 can be replaced, in the carrying process, the whole flow timing is released, the sponge pad 83 is contacted with the, through pulling out the foam-rubber cushion 83 to the rear, can extract the foam-rubber cushion 83 from the inboard of embedding mouth 84, imbed the foam-rubber cushion 83 again after the change in order to ensure the anticollision effect, and protruding along 85 blocks the surface of foam-rubber cushion 83, prevent that the foam-rubber cushion 83 from coming off from the inboard nature of embedding mouth 84, play better anticollision effect in the handling, when the user borrowing by flange 2 with the flowmeter on the pipeline, through rotating bolt head 63, make sealing bolt 62 back-out from the inboard of inserting a section of thick bamboo 61, later can send into detergent through inserting a section of thick bamboo 61, or let in gas in to inserting a section of thick bamboo 61, with the filth of washing away inboard, play the effect of blowdown, possess the function of preventing blocking, it is not fragile to possess connecting pipe 3, the panel board is difficult for scraping flower, play better guard action in the handling, easily clearance to the filth of gathering up in body 1.
In conclusion, by arranging the buffering structure 5, when the surface of the pressure pipe 3 is collided, the surface of the outer casing 52 receives the collision, the buffering cushion 51 is extruded, the buffering cushion 51 plays a role in buffering, the pressure pipe 3 is protected from being collided and damaged, in the process, the movable notch 55 horizontally moves relative to the limiting head 54, and under the action of the limiting head 54 and the fixed rod 53, the outer casing 52 is prevented from shifting up and down and back and forth, so that the buffering cushion 51 is damaged, a better buffering effect is achieved, and a better protection effect is achieved on the pressure pipe 3; by arranging the protection structure 7, in the using process, the protection plate 74 does not influence the user to operate the display screen 41, meanwhile, the protection plate 74 plays a role in protection, the surface of the display screen 41 is prevented from being scratched, the protection shell 71 can be screwed out from the front end of the flowmeter main body 4 by rotating the protection shell 71, then the protection plate 74 is pushed backwards, the edge of the protection plate 74 is separated from the inner side of the limiting bayonet 73, the rubber layer 72 can be deformed to ensure the taking-out of the protection plate 74, then the protection plate 74 can be replaced to ensure the protection and observation effects, and a better protection effect is achieved on the part of the display screen 41; by arranging the anti-collision structure 8, in the carrying process, the whole flow meter is laid down, the spongy cushion 83 is in contact with the ground, the rear end of the flowmeter main body 4 is protected, the spongy cushion 83 can be pulled out from the inner side of the embedding opening 84 by pulling the spongy cushion 83 to the rear, the spongy cushion 83 is embedded again after replacement to ensure the anti-collision effect, the outer surface of the spongy cushion 83 is clamped by the convex edge 85, the spongy cushion 83 is prevented from naturally falling off from the inner side of the embedding opening 84, and a better anti-collision effect is achieved in the carrying process; through being provided with mediation structure 6, when borrowing by flange 2 and installing the flowmeter on the pipeline, through rotating bolt head 63 for sealing bolt 62 is followed the inboard of inserting a section of thick bamboo 61 and is unscrewed, later can send into the detergent through inserting a section of thick bamboo 61, perhaps lets in gas in to inserting a section of thick bamboo 61 to wash away the filth of inboard, play the effect of blowdown, possess the function of preventing blocking.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (9)
1. The utility model provides a differential pressure type flowmeter among waste water pipeline, includes body (1), its characterized in that: the utility model discloses a flowmeter, including body (1), connecting pipe (3), buffer structure (5), the upper end of connecting pipe (3) is connected with flowmeter main part (4), the front end movable mounting of flowmeter main part (4) has protection structure (7), the rear end of flowmeter main part (4) is provided with crashproof structure (8), one side that the upper end surface of body (1) is close to connecting pipe (3) is provided with mediation structure (6), the lower extreme of connecting pipe (3) extends to the inboard of body (1), and is fixed connection between connecting pipe (3) and body (1), the surface of connecting pipe (3), the upper end of connecting pipe (3) is connected with flowmeter main part (4).
2. A differential pressure type flow meter in a wastewater line according to claim 1, wherein: buffer structure (5) are including buffering cushion (51), outer protecting crust (52), dead lever (53), spacing head (54) and activity breach (55), buffering cushion (51) are fixed attached at the surface of connecting pipe (3), outer protecting crust (52) are fixed attached at the surface of buffering cushion (51), the surface setting of dead lever (53) perpendicular to connecting pipe (3), and be fixed connection between dead lever (53) and connecting pipe (3), spacing head (54) fixed connection is in the one end of dead lever (53), the surface at outer protecting crust (52) is seted up in activity breach (55), spacing head (54) activity card is in the inboard of activity breach (55).
3. A differential pressure type flow meter in a wastewater line according to claim 2, wherein: the number of the fixed rods (53), the limiting heads (54) and the movable gaps (55) is two, the fixed rods (53), the limiting heads (54) and the movable gaps (55) are arranged in the same vertical direction, the number of the buffer structures (5) is a plurality of groups, and the buffer structures (5) are symmetrically arranged on two sides of the pressure guide pipe (3).
4. A differential pressure type flow meter in a wastewater line according to claim 1, wherein: dredge structure (6) including inserting a section of thick bamboo (61) and inserting inboard sealing bolt (62), insert a section of thick bamboo (61) and run through in the upper end surface of body (1), the upper and lower both ends that insert a section of thick bamboo (61) are linked together, and the lower extreme that inserts a section of thick bamboo (61) extends to the inboard of body (1), sealing bolt (62) and insert for threaded connection between a section of thick bamboo (61), the upper end that inserts a section of thick bamboo (61) is provided with sealing washer (64), the upper end of sealing bolt (62) is connected with bolt head (63), be fixed connection between bolt head (63) and sealing bolt (62), sealing washer (64) are cyclic annular and are located bolt head (63) lower extreme surface, sealing washer (64) are by the extrusion state.
5. A differential pressure type flow meter in a wastewater line according to claim 1, wherein: the two ends of the pipe body (1) are connected with connecting flanges (2), the number of the connecting flanges (2) is two groups, the connecting flanges (2) are symmetrically arranged at the two ends of the pipe body (1), the connecting flanges (2) are fixedly connected with the pipe body (1), mounting holes are formed in the outer surface of the connecting flanges (2), the mounting holes penetrate through the outer surfaces of the two sides of the connecting flanges (2), the number of the mounting holes is a plurality of groups, and the mounting holes are arranged in an annular array mode by taking the middle shaft of the pipe body (1) as an axis.
6. A differential pressure type flow meter in a wastewater line according to claim 1, wherein: protection architecture (7) include protective housing (71) and detachable installation in protective housing (71) inboard protection shield (74), protection shield (74) are transparent soft plastic film, the opening has been seted up to the front end of protective housing (71), screw thread has been seted up on the inner wall of protective housing (71), be threaded connection between protective housing (71) and flowmeter main part (4), flowmeter main part (4) are including setting up display screen (41) at the front end, the port of display screen (41) and the port electric connection of flowmeter main part (4), protection shield (74) are located the place ahead of display screen (41), and leave the clearance between the rear end surface of protection shield (74) and the front end surface of display screen (41).
7. A differential pressure type flow meter in a wastewater line according to claim 6, wherein: the inner wall of protective housing (71) is provided with rubber layer (72) near the front end, be fixed connection between rubber layer (72) and protective housing (71), spacing bayonet socket (73) have been seted up on the inner wall of rubber layer (72), protection shield (74) are the disc form, and the edge card of protection shield (74) is in the inboard of spacing bayonet socket (73), the inner wall activity laminating of protection shield (74) and spacing bayonet socket (73).
8. A differential pressure type flow meter in a wastewater line according to claim 1, wherein: crashproof structure (8) are including connecting cylinder (81) and foam-rubber cushion (83) of embedding rear end, the front end of connecting cylinder (81) is opened, and has seted up thread face (82) on the front end inner wall of connecting cylinder (81), pass through thread face (82) threaded connection between connecting cylinder (81) and flowmeter main part (4).
9. A differential pressure type flow meter in a wastewater line according to claim 8, wherein: the rear end of connecting cylinder (81) has been seted up and has been inlayed entry (84), inlay entry (84) and set up round protruding edge (85) along the inner wall, foam-rubber cushion (83) card in the inboard of inlaying entry (84), and the rear end surface of foam-rubber cushion (83) surpasss and inlays entry (84) rear end bead place plane, foam-rubber cushion (83) are the cylinder shape, protruding restriction along (85) is at the surface of foam-rubber cushion (83).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911402842.9A CN110967073B (en) | 2019-12-31 | 2019-12-31 | Differential pressure type flowmeter in waste water pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911402842.9A CN110967073B (en) | 2019-12-31 | 2019-12-31 | Differential pressure type flowmeter in waste water pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110967073A true CN110967073A (en) | 2020-04-07 |
| CN110967073B CN110967073B (en) | 2021-04-06 |
Family
ID=70037479
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111982226A (en) * | 2020-08-26 | 2020-11-24 | 中筑科技股份有限公司 | Detachable protector for double-wing differential pressure type flowmeter |
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