CN111721381A - Water meter testing device and testing method thereof - Google Patents
Water meter testing device and testing method thereof Download PDFInfo
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- CN111721381A CN111721381A CN202010792558.3A CN202010792558A CN111721381A CN 111721381 A CN111721381 A CN 111721381A CN 202010792558 A CN202010792558 A CN 202010792558A CN 111721381 A CN111721381 A CN 111721381A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
- G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
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Abstract
The invention discloses a water meter testing device and a testing method thereof, wherein the water meter testing device comprises a clamp, a pair of water meter mounting connecting pieces are connected onto the clamp, a containing cavity is arranged in each water meter mounting connecting piece, and an elastic adjusting type clamping mechanism is arranged in each containing cavity; the elastic adjustment type clamping mechanism comprises an air bag, an adjustable clamping leakage-proof mechanism is arranged in the air bag, the adjustable clamping leakage-proof mechanism comprises a first elastic piece and a second elastic piece, a hinge buckle is hinged between the first elastic piece and the second elastic piece, and one end, away from the hinge buckle, of the first elastic piece and the second elastic piece is connected with a connecting column. According to the invention, the corresponding mechanism is arranged on the clamp of the water meter calibrating device, so that the clamp of the water meter calibrating device can be suitable for water meters of various specifications, the detection of various performances of the water meters of various specifications is facilitated, a user does not need to perform other treatment when measuring the water meters of different specifications, the working efficiency of the user is greatly improved, and the work burden of the user is greatly reduced.
Description
Technical Field
The invention belongs to the technical field of water meters, and particularly relates to a water meter inspection device and an inspection method thereof.
Background
Water meters, which are meters for measuring water flow, mostly measure the accumulated flow of water, and are generally classified into a positive displacement water meter and a velocity water meter. The device is divided into a speed type water meter and a volume type water meter according to the measurement principle; dividing the water meter into a large-caliber water meter and a small-caliber water meter according to the nominal caliber; dividing the water meter into a horizontal installation water meter and a vertical installation water meter according to the installation direction; the water meter is classified into an analog type, a digital type, an analog-digital combination type and the like according to forms, and is widely applied to every place of life.
After the water meter is processed and produced, various performances of the water meter need to be detected so as to ensure that the water meter can normally run. The existing water meter detection device is a water meter calibration device, wherein the working principle is as follows: a camera device is arranged above each water meter to be tested and connected to an image collector and a high-speed computer, the computer automatically identifies the flow indicating value of each pointer of the water meter (reading by eyes is not needed any more), and simultaneously, the water flow is automatically controlled and the water level of a working gauge is measured to obtain a standard flow value, so that the automation of the whole process of water meter calibration is realized. Need install the water gauge on water gauge anchor clamps at the in-process of water gauge examination, current water gauge anchor clamps are when using, the user is usually with water gauge disect insertion to anchor clamps in, it carries out whole clamp tightly to the water gauge to recycle external cylinder, though convenient and fast gets up like this, but because the specification of water gauge is various, current water gauge anchor clamps can not follow the specification of water gauge and carry out corresponding regulation, lead to the user to carry out other convenient processings to the water gauge usually, in order to guarantee to be connected closely between water gauge and the anchor clamps, so just so greatly reduced user's work efficiency, cause huge burden for the user.
Therefore, in order to solve the above technical problems, it is necessary to provide a water meter testing device and a testing method thereof.
Disclosure of Invention
The invention aims to provide a water meter testing device and a testing method thereof, which aim to solve the problems of low working efficiency and high strength caused by the fact that a user needs to perform other subsequent treatment work on a water meter clamp because the clamp of the water meter testing device cannot be correspondingly adjusted along with the specification of the water meter.
In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:
a water meter inspection device comprises a clamp, wherein a pair of water meter mounting connecting pieces are connected to the clamp, a containing cavity is formed in each water meter mounting connecting piece, and an elastic adjusting type clamping mechanism is installed in each containing cavity;
elastic adjustment formula clamping mechanism includes the gasbag, be equipped with adjustable clamping leak protection mechanism in the gasbag, adjustable clamping leak protection mechanism includes first elastic component and second elasticity, the hinge has the hinge to detain between first elastic component and the second elasticity, one of hinge knot is kept away from to first elastic component and second elasticity serves and is connected with the spliced pole, be connected with fastening rope on the spliced pole, the one end that the spliced pole was kept away from to fastening rope is connected with supplementary fixed connection mechanism, be equipped with movable sealed mechanism that loses heart in the water gauge erection joint spare.
Further, be connected with the gas pipe on the water gauge erection joint spare, the gas pipe is linked together with the gasbag, be connected with the air cock on the gas pipe, the person of facilitating the use carries out the gas injection through the air cock to the gasbag for the gasbag can the gas injection inflation, utilizes the expanded gasbag to extrude the water gauge link, thereby can improve the connection effect of water gauge erection joint spare and water gauge, also can make the water gauge detection of elastic adjustment formula clamping mechanism be applicable to different specifications.
Further, supplementary fixed connection mechanism includes the shell, the angular wire dish is connected to the shell internal rotation for the tight rope is accomodate in the winding to make and connect closely between first elastic component and the second elasticity, the increase is to the connectivity of water gauge, the tight rope links to each other with the angular wire dish, fixedly connected with rocker on the angular wire dish, the rocker link up the shell setting, and the person of facilitating the use drives the rotation of angular wire dish through shaking the rocker, thereby is convenient for twine the tight rope, makes first elastic component and second elastic connection inseparable.
Further, install the handle gag lever post on the shell, the rotation of the limiting angle drum of being convenient for avoids the rotation of angle drum in water gauge testing process to can improve the connectivity of first elastic component and second elasticity to the water gauge by a wide margin, the handle gag lever post is connected with to the board on being located the lateral wall of shell, be connected with first spring between support board and the shell, make under the handle gag lever post natural state, the rotation of angle drum is avoided to block angle drum, the outside of handle gag lever post is located to first spring housing.
Further, the one end that first spring was kept away from to the board is connected with the lock pole, be equipped with on the angle drum with lock pole assorted lock tooth, realize the fixed of angle drum through lock pole block lock tooth, avoid the angle drum to appear pivoted problem in the water gauge testing process, the shell upper cover is equipped with the end cover, is convenient for protect the angle drum in the shell.
Further, movable sealed mechanism of disappointing includes the movable rod, be equipped with on the water gauge erection joint spare with movable rod assorted slip chamber, when being convenient for exhaust, the gas in the gasbag passes through, also makes things convenient for the movable rod to slide in the slip intracavity simultaneously, be equipped with the gas-supply pipe on the water gauge erection joint spare, the movable rod is located one of gas-supply pipe and serves and be connected with the closing plate, and the gas in the gasbag leaks from the slip chamber when avoiding the gas injection in the sealed chamber of closing plate block under the natural state to can improve the holistic sealed effect of gasbag, when avoiding leaking gas, can improve the inseparability of being connected of gasbag and water gauge by a wide margin, be equipped with on the water gauge erection joint spare with closing plate assorted sealed chamber for accomodate the closing plate.
Further, one end of the movable rod, far away from the sealing plate, is connected with a contact plate, a second spring is connected between the contact plate and the water meter mounting connecting piece, the outer side of the movable rod is sleeved with the second spring, so that the movable rod can slide under the action of the second spring, the sealing cavity is clamped by the sealing plate in a natural state, and the air tightness is improved.
Furthermore, a spring placing groove is formed in the water meter mounting connecting piece and communicated with the sliding cavity, and the second spring is arranged in the spring placing groove and can be contained and can also enable gas to circulate.
Furthermore, the contact plate is connected with a pair of sealing columns on the surface opposite to the water meter mounting connecting piece, and the water meter mounting connecting piece is provided with a clamping cavity matched with the sealing columns, so that the overall sealing effect is improved conveniently, the gas leakage in the air bag is avoided, and the overall connecting effect can be greatly improved.
A method for testing a testing device for a water meter comprises the following steps:
s1, a user firstly inserts a connecting end of the water meter into a water meter mounting connecting piece according to a flow arrow of the water meter, so that the connecting end of the water meter is in contact with a contact plate in the water meter mounting connecting piece, the connecting end of the water meter extrudes the contact plate, the contact plate slides for a certain distance under the action of a second spring until a sealing column on the contact plate is clamped into a clamping cavity on the water meter mounting connecting piece, and at the moment, the preliminary mounting of the work of the water meter is completed;
s2, a user uses an external inflating device to align with an air nozzle on an air guide pipe to inflate an elastic adjusting type clamping mechanism in the water meter mounting connecting piece, air enters an air bag through the air guide pipe, the air bag starts to expand under the action of the air, and the expanded air bag can extrude the water meter to be inserted into a connecting end in the water meter mounting connecting piece, so that the water meter and the water meter mounting connecting piece are connected tightly, and the water meter is mounted again;
s3, the first elastic piece and the second elastic piece in the air bag are rubber magnetic strips, and the connecting end of the water meter is made of metal materials and rotates around the hinge buckle under the action of magnetic force until the first elastic piece and the second elastic piece are clamped on the surface of the connecting end of the water meter;
s4, a user can pull the handle limiting rod with one hand to enable a locking rod on the handle limiting rod to be separated from a locking tooth on an angle wire coil, the other hand can drive the angle wire coil in the shell to rotate while rotating through cranking the hand rod, the rotating angle wire coil can wind a fastening rope on the angle wire coil to tighten the fastening rope between the first elastic piece and the second elastic piece, after the tightening is completed, the handle limiting rod is loosened, the handle limiting rod drives the locking rod to be clamped with the locking tooth under the action of the abutting plate and the first spring, the rotation of the angle wire coil in the detection process of the water meter is avoided, the unstable connection condition of the first elastic piece and the second elastic piece is avoided, the connection effect of the water meter mounting connecting piece and the water meter is greatly improved, the leakage problem of the water meter in the detection process is avoided, and the detection accuracy is greatly improved;
s5, when a user needs to disassemble the water meter, the user pulls the handle limiting rod by hand to enable the locking rod to be separated from the locking teeth, and the hand-operated rod is rotated in the direction to enable the fastening rope wound on the angle wire coil to be loosened, so that a certain space is provided for the movement of the first elastic piece and the second elastic piece;
s6, the user pulls the water meter with force, because the water meter is connected with the water meter mounting connecting piece through the air bag, the water meter tends to slide under the action of the pulling force until the connecting end of the water meter is separated from the contact plate in the water meter mounting connecting piece, the contact plate rebounds under the action of the second spring, the sealing plate is clamped in the sealing cavity, the user presses the manual contact plate to separate the sealing plate from the sealing cavity, the sealing column is not clamped with the clamping cavity at the moment, gas in the air bag is discharged through the gas guide pipe, the gas conveying pipe, the sliding cavity and the spring placing groove until all gas in the air bag is discharged, and the water meter is dismounted.
Compared with the prior art, the invention has the following advantages:
according to the invention, the corresponding mechanism is arranged on the clamp of the water meter calibrating device, so that the clamp of the water meter calibrating device can be suitable for water meters of various specifications, the detection of various performances of the water meters of various specifications is facilitated, a user does not need to perform other treatment when measuring the water meters of different specifications, the working efficiency of the user is greatly improved, and the work burden of the user is greatly reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a perspective view of a water meter testing device according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a structure A shown in FIG. 1 according to an embodiment of the present invention;
fig. 3 is a side sectional view of an inspection device for a water meter according to an embodiment of the present invention;
FIG. 4 is a perspective view of an adjustable clamping leakage prevention mechanism according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a structure B shown in FIG. 3 according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of the structure at C in FIG. 3 according to an embodiment of the present invention;
fig. 7 is a front sectional view of an inspection device for a water meter according to an embodiment of the present invention;
FIG. 8 is a schematic diagram illustrating a structure D shown in FIG. 7 according to an embodiment of the present invention;
FIG. 9 is a perspective view of an auxiliary fixing and connecting mechanism according to an embodiment of the present invention;
FIG. 10 is a top view of an auxiliary securing connection in accordance with an embodiment of the present invention;
fig. 11 is a schematic structural diagram of a location E in fig. 10 according to an embodiment of the present invention.
In the figure: 1. the water meter comprises a clamp, 2, a water meter mounting connecting piece, 201, a receiving cavity, 202, an air guide pipe, 203, an air nozzle, 204, a sliding cavity, 205, an air conveying pipe, 206, a sealing cavity, 207, a spring placing groove, 208, a clamping cavity, 3, an elastic adjusting type clamping mechanism, 301, an air bag, 302, a first elastic piece, 303, a second elastic piece, 304, a hinge buckle, 305, a connecting column, 306, a fastening rope, 307, an anti-tripping device, 4, an auxiliary fixing connecting mechanism, 401, a shell, 402, an angle wire disc, 403, a hand lever, 404, a handle limiting rod, 405, a resisting plate, 406, a first spring, 407, a locking rod, 408, a locking tooth, 409, an end cover, 5, a movable sealing and air release mechanism, 501, a movable rod, 502, a sealing plate, 503, a contact plate, 504, a second spring, 505 and a sealing column.
Detailed Description
The present invention will be described in detail below with reference to embodiments shown in the drawings. The embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to the embodiments are included in the scope of the present invention.
The invention discloses a water meter testing device, which comprises a clamp 1, a water meter mounting connecting piece 2 symmetrically connected to the clamp 1, an elastic adjusting type clamping mechanism 3 arranged in the water meter mounting connecting piece 2, an auxiliary fixed connecting mechanism 4 for assisting the elastic adjusting type clamping mechanism 3 and a movable type sealing air leakage mechanism 5, and is shown in figures 1-11.
Referring to fig. 1-2, a pair of water meter mounting connectors 2 is connected to a fixture 1 for mounting and connecting a water meter for detecting the water meter, a receiving cavity 201 is provided in the water meter mounting connector 2 for mounting an elastic adjustment type clamping mechanism 3, thereby facilitating the fixing of the elastic adjustment type clamping mechanism 3 to the water meter, an air conduit 202 is connected to the water meter mounting connector 2, the air conduit 202 is connected to an air bag 301, the air valve 203 is connected to the air conduit 202, so that a user can inject air into the air bag 301 through the air valve 203 by using an external air charging mechanism, the air bag 301 can inject air to expand, the water meter connecting end is extruded by using the expanded air bag 301, thereby improving the connecting effect between the water meter mounting connector 2 and the water meter, and also making the elastic adjustment type clamping mechanism 3 suitable for detecting water meters of different specifications, and greatly improving the application range of the water meter mounting connector 2, therefore, when a user installs water meters with different specifications, the water meters need to be processed in other ways, the working efficiency of the user is greatly improved, and the workload of the user is greatly reduced.
Referring to fig. 3-5, install elastic adjustment formula clamping mechanism 3 in accomodating the chamber 201, elastic adjustment formula clamping mechanism 3 includes gasbag 301, gasbag 301 can expand under gaseous effect, utilize the expanded gasbag 301 to extrude the link of water gauge, thereby realize the installation of water gauge fixed, be equipped with adjustable clamp leak protection mechanism in gasbag 301, be used for pressing from both sides fixed gasbag 301, increase gasbag 301 is to the tight dynamics of clamp of water gauge link, avoid gasbag 301 and water gauge link to appear connecting inseparably and take place the problem of leaking, thereby can improve the detection effect of water gauge by a wide margin.
Wherein, the gasbag 301 is equipped with the enhancement layer on keeping away from the one side of water gauge erection joint spare 2, be equipped with the cavity in the lateral wall of gasbag 301, the cavity intussuseption is filled with a plurality of non-Newtonian fluid molecules (not seen in the picture), when gasbag 301 presss from both sides tight water gauge link, because the screw thread is located to the water gauge link, through the setting of enhancement layer and non-Newtonian fluid molecule, can avoid gasbag 301 to be damaged by the screw thread, the life of gasbag 301 has greatly been improved, simultaneously through the characteristic of non-Newtonian fluid, thereby increase gasbag 301 further extrusion force to the water gauge link, the connection effect of gasbag 301 to the water gauge has been improved.
Referring to fig. 3-7, the adjustable clamping leakage-proof mechanism includes a first elastic member 302 and a second elastic member 303, both the first elastic member 302 and the second elastic member 303 are provided with magnetism, when the first elastic member 302 and the second elastic member 303 contact with the connection end of the water meter, the first elastic member 302 and the second elastic member 303 are clamped by magnetic attraction, and simultaneously, by using the elastic properties of the first elastic member 302 and the second elastic member 303, the first elastic member 302 and the second elastic member 303 can be adapted to water meters with different specifications and diameters, so that the first elastic member 302 and the second elastic member 303 can be more fully contacted with the connection end of the water meter, the connection effect of the first elastic member 302 and the second elastic member 303 on the connection end of the water meter is greatly improved, leakage is avoided, a user can fix the water meter without performing other processes, a hinge buckle 304 is hinged between the first elastic member 302 and the second elastic member 303, the water meter with the elastic member 302 and the elastic member 303 can be suitable for water meters with other specifications and diameters, the situation that the water meter leaks due to unstable connection is avoided, one end, far away from the hinge buckle 304, of the elastic member 302 and the elastic member 303 is connected with the connecting column 305, the connecting column 305 is connected with the fastening rope 306, the clamping force of the elastic member 302 and the elastic member 303 on the connecting end of the water meter can be further greatly improved through the arrangement of the fastening rope 306, the clamping force of the elastic member 302 and the elastic member 303 on the connecting end of the water meter is enabled to be more sufficient, and the problem that the detection result of the water meter is inaccurate due to unstable connection is avoided.
Specifically, be equipped with anti-disengaging 307 in the gas conduit 202, the outside of fastening rope 306 is located to anti-disengaging 307 cover, avoids fastening rope 306 to appear the phenomenon of thread slipping to make fastening rope 306 connect inseparabler, thereby guarantee first elastic component 302 and second elastic component 303 to the extrusion force degree of water gauge.
Referring to fig. 1 to 11, an auxiliary fixed connection mechanism 4 is connected to one end of the fastening rope 306 far from the connection column 305, the auxiliary fixed connection mechanism 4 is used for tightening the fastening rope 306, so as to greatly improve the clamping force of the first elastic member 302 and the second elastic member 303 on the connection end of the water meter, the auxiliary fixed connection mechanism 4 comprises a housing 401, an angular wire disc 402 is rotatably connected in the housing 401 and is used for winding and accommodating the fastening rope 306, the fastening rope 306 is wound and accommodated to realize the clamping between the first elastic member 302 and the second elastic member 303, so as to increase the connectivity on the water meter, the fastening rope 306 is connected with the angular wire disc 402, a hand lever 403 is fixedly connected to the angular wire disc 402 and penetrates through the housing 401, so that a user can conveniently drive the angular wire disc 402 to rotate by shaking the hand lever 403, thereby facilitating the winding of the fastening rope 306, and enabling the first elastic member 302 and the second elastic member 303 to be tightly connected, install handle gag lever post 404 on the shell 401, be convenient for spacing the rotation of angle drum 402, avoid the rotation of angle drum 402 in the water gauge testing process, thereby can improve the connectivity of first elastic component 302 and second elasticity 303 to the water gauge by a wide margin, handle gag lever post 404 is connected with and supports board 405 on being located the lateral wall of shell 401, it is connected with first spring 406 to support between board 405 and the shell 401, make under the handle gag lever post 404 natural state, block angle drum 402, avoid the rotation of angle drum 402, the outside of handle gag lever post 404 is located to first spring 406 cover.
Referring to fig. 10 to 11, a locking rod 407 is connected to one end of the abutting plate 405 away from the first spring 406, a locking tooth 408 matched with the locking rod 407 is arranged on the angle disc 402, and in a natural state, the locking rod 407 is clamped in the locking tooth 408, and the angle disc 402 is fixed by clamping the locking tooth 408 with the locking rod 407, so that the problem that the angle disc 402 rotates in the water meter detection process is solved, and an end cover 409 is arranged on the upper cover of the housing 401, so that the angle disc 402 in the housing 401 is protected conveniently.
Referring to fig. 3-6, a movable air-release mechanism 5 is disposed in the water meter mounting connector 2 for discharging air in the air bag 301 to facilitate users to change and measure other water meters, the movable air-release mechanism 5 includes a movable rod 501, a sliding cavity 204 matching with the movable rod 501 is disposed on the water meter mounting connector 2, so that when exhausting, air in the air bag 301 passes through, and at the same time, the movable rod 501 slides in the sliding cavity 204, an air pipe 205 is disposed on the water meter mounting connector 2, a sealing plate 502 is connected to one end of the movable rod 501 located in the air pipe 205, the sealing plate 502 is engaged with the sealing cavity 206 in a natural state, so as to prevent air in the air bag 301 from leaking from the sliding cavity 204 during air injection, thereby improving the overall sealing effect of the air bag 301, and greatly improving the connection tightness between the air bag 301 and the water meter while preventing air leakage, be equipped with on water gauge erection joint spare 2 with sealing plate 502 assorted seal chamber 206 for accomodate sealing plate 502, the movable rod 501 is kept away from on the end of sealing plate 502 and is connected with contact plate 503, when the water gauge is installed in water gauge erection joint spare 2, contact plate 503 has the extrusion effect under the effect of second spring 504 to the link of water gauge, thereby can further increase the fixed between water gauge erection joint spare 2 and the water gauge, the person of facilitating the use installs the detection, be connected with second spring 504 between contact plate 503 and the water gauge erection joint spare 2, the outside of movable rod 501 is located to second spring 504 cover, make movable rod 501 can slide under the effect of second spring 504, thereby can make sealing plate 502 block seal chamber 206 under natural state, increase the gas tightness.
Referring to fig. 6, the water meter mounting connector 2 is provided with a spring groove 207, the spring groove 207 is communicated with the sliding cavity 204, the second spring 504 is disposed in the spring groove 207 and can receive the second spring 504 and circulate air, one surface of the contact plate 503 opposite to the water meter mounting connector 2 is connected with a pair of sealing posts 505, and the water meter mounting connector 2 is provided with a clamping cavity 208 matched with the sealing posts 505, so as to improve the overall sealing effect, avoid air leakage in the air bag 301 and greatly improve the overall connecting effect.
A method for testing a testing device for a water meter comprises the following steps:
s1, a user firstly inserts a connecting end of a water meter into a water meter mounting connecting piece 2 according to a flow direction arrow of the water meter, so that the connecting end of the water meter is contacted with a contact plate 503 in the water meter mounting connecting piece 2, the connecting end of the water meter extrudes the contact plate 503, the contact plate 503 slides for a certain distance under the action of a second spring 504 until a sealing column 505 on the contact plate 503 is clamped into a clamping cavity 208 on the water meter mounting connecting piece 2, and at the moment, the primary mounting of the work of the water meter is completed;
s2, a user uses an external inflating device to align with an air tap 203 on an air guide pipe 202 to inflate an elastic adjusting type clamping mechanism 3 in a water meter mounting connecting piece 2, air enters an air bag 301 through the air guide pipe 202, the air bag 301 starts to expand under the action of the air, and the expanded air bag 301 can extrude the water meter to be inserted into a connecting end in the water meter mounting connecting piece 2, so that the water meter and the water meter mounting connecting piece 2 are connected tightly, and the water meter is mounted again;
s3, a first elastic piece 302 and a second elastic piece 303 in the air bag 301 are rubber magnetic strips, and because the connecting end of the water meter is made of metal materials, the water meter rotates around a hinge buckle 304 under the action of magnetic force until the first elastic piece 302 and the second elastic piece 303 are clamped on the surface of the connecting end of the water meter, and because corresponding threads are arranged on the connecting end of the water meter, the air bag 301 is in contact with the threads of the connecting end of the water meter under the action of the first elastic piece 302 and the second elastic piece 303, the friction force between the air bag 301 and the connecting end of the water meter is increased, and the problem of untight connection or leakage is avoided;
s4, a user can pull the handle limiting rod 404 with one hand to enable the locking rod 407 on the handle limiting rod 404 to be separated from the locking tooth 408 on the angle coil 402, the other hand drives the angle coil 402 in the shell 401 to rotate while rotating through the hand-operated rod 403, the rotating angle coil 402 can wind the fastening rope 306 on the angle coil 402 to enable the fastening rope 306 between the first elastic piece 302 and the second elastic piece 303 to be tightened, after tightening is completed, the handle limiting rod 404 is loosened, the handle limiting rod 404 drives the locking rod 407 to be clamped with the locking tooth 408 under the action of the abutting plate 405 and the first spring 406, rotation of the angle coil 402 in the detection process of the water meter is avoided, unstable connection of the first elastic piece 302 and the second elastic piece 303 is avoided, the connection effect of the water meter installation connecting piece 2 and the water meter is greatly improved, and the problem of leakage of the water meter in the detection process is avoided, thereby greatly improving the accuracy of detection;
s5, when a user needs to disassemble the water meter, the user pulls the handle limiting rod 404 with a hand to enable the locking rod 407 to be separated from the locking tooth 408, and the hand-operated rod 403 is rotated in the direction to enable the fastening rope 306 wound on the angle wire coil 402 to be loosened, so that a certain space is provided for the movement of the first elastic piece 302 and the second elastic piece 303;
s6, the user pulls the water meter with force, because the water meter is connected with the water meter mounting connecting piece 2 through the air bag, the water meter has a sliding tendency under the action of the pulling force until the connecting end of the water meter is separated from the contact plate 503 in the water meter mounting connecting piece 2, the contact plate 503 rebounds under the action of the second spring 504, so that the sealing plate 502 is clamped in the sealing cavity 206, the user presses the contact plate 503 with hand to separate the sealing plate 502 from the sealing cavity 206, at the moment, the sealing column 505 is not clamped in the clamping cavity 208, the gas in the air bag 301 is discharged through the gas guide pipe 202, the gas pipe 205, the sliding cavity 204 and the spring placing groove 207 until all the gas in the air bag 301 is discharged, and the water meter is dismounted.
According to the technical scheme, the invention has the following beneficial effects:
according to the invention, the corresponding mechanism is arranged on the clamp of the water meter calibrating device, so that the clamp of the water meter calibrating device can be suitable for water meters of various specifications, the detection of various performances of the water meters of various specifications is facilitated, a user does not need to perform other treatment when measuring the water meters of different specifications, the working efficiency of the user is greatly improved, and the work burden of the user is greatly reduced.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A water meter testing device comprises a clamp (1) and is characterized in that the clamp (1) is connected with a pair of water meter mounting connecting pieces (2), a containing cavity (201) is arranged in each water meter mounting connecting piece (2), and an elastic adjusting type clamping mechanism (3) is arranged in each containing cavity (201);
elastic adjustment formula clamping mechanism (3) is including gasbag (301), be equipped with adjustable clamp leak protection mechanism in gasbag (301), adjustable clamp leak protection mechanism includes first elastic component (302) and second elasticity (303), the hinge has hinge to detain (304) between first elastic component (302) and second elasticity (303), one of keeping away from hinge knot (304) is served and is connected with spliced pole (305) in first elastic component (302) and second elasticity (303), be connected with fastening rope (306) on spliced pole (305), the one end of keeping away from spliced pole (305) in fastening rope (306) is connected with supplementary fixed connection mechanism (4), be equipped with movable sealed mechanism (5) of disappointing in water gauge erection joint spare (2).
2. A testing device for water meter according to claim 1, characterized in that an air duct (202) is connected to said water meter mounting connector (2), said air duct (202) is connected to said air bag (301), and said air duct (202) is connected to an air tap (203).
3. The water meter inspection device according to claim 1, wherein the auxiliary fixed connection mechanism (4) comprises a housing (401), an angular wire coil (402) is rotatably connected in the housing (401), the fastening rope (306) is connected with the angular wire coil (402), a hand lever (403) is fixedly connected to the angular wire coil (402), and the hand lever (403) penetrates through the housing (401).
4. The inspection device for the water meter according to claim 3, wherein a handle limiting rod (404) is installed on the housing (401), a resisting plate (405) is connected to a side wall of the handle limiting rod (404) located in the housing (401), a first spring (406) is connected between the resisting plate (405) and the housing (401), and the first spring (406) is sleeved outside the handle limiting rod (404).
5. A water meter testing device according to claim 4, wherein a locking rod (407) is connected to an end of the abutting plate (405) far away from the first spring (406), a locking tooth (408) matched with the locking rod (407) is arranged on the angle disc (402), and an end cover (409) is arranged on the upper cover of the housing (401).
6. The inspection device for the water meter according to claim 1, characterized in that the movable type sealing air leakage mechanism (5) comprises a movable rod (501), a sliding cavity (204) matched with the movable rod (501) is arranged on the water meter installation connecting piece (2), a gas transmission pipe (205) is arranged on the water meter installation connecting piece (2), a sealing plate (502) is connected to one end of the movable rod (501) located in the gas transmission pipe (205), and a sealing cavity (206) matched with the sealing plate (502) is arranged on the water meter installation connecting piece (2).
7. A water meter testing device according to claim 6, wherein a contact plate (503) is connected to the end of the movable rod (501) far from the sealing plate (502), a second spring (504) is connected between the contact plate (503) and the water meter mounting connector (2), and the second spring (504) is sleeved outside the movable rod (501).
8. A testing device for a water meter according to claim 1, wherein a spring placing groove (207) is provided on said water meter mounting connector (2), said spring placing groove (207) is communicated with said sliding chamber (204), and said second spring (504) is provided in said spring placing groove (207).
9. A testing device for a water meter according to claim 6, wherein a pair of sealing posts (505) are attached to a side of said contact plate (503) opposite to said water meter mounting connector (2), and said water meter mounting connector (2) is provided with snap-fit cavities (208) for mating with said sealing posts (505).
10. A method for testing a testing device for a water meter is characterized by comprising the following steps:
s1, a user firstly inserts a connecting end of a water meter into a water meter mounting connecting piece (2) according to a flow direction arrow of the water meter, so that the connecting end of the water meter is contacted with a contact plate (503) in the water meter mounting connecting piece (2), the connecting end of the water meter extrudes the contact plate (503), the contact plate (503) slides for a certain distance under the action of a second spring (504) until a sealing column (505) on the contact plate (503) is clamped into a clamping cavity (208) on the water meter mounting connecting piece (2), and then the primary mounting of the water meter is completed;
s2, a user uses an external inflating device to align with an air tap (203) on an air guide pipe (202) to inflate an elastic adjusting type clamping mechanism (3) in the water meter mounting connecting piece (2), air enters an air bag (301) through the air guide pipe (202), the air bag (301) starts to expand under the action of the air, and the expanded air bag (301) can extrude a connecting end of the water meter inserted into the water meter mounting connecting piece (2), so that the water meter is tightly connected with the water meter mounting connecting piece (2), and the water meter is mounted again;
s3, a first elastic piece (302) and a second elastic piece (303) in the air bag (301) are rubber magnetic strips, and because the connecting end of the water meter is made of metal materials, the water meter rotates around a hinge buckle (304) under the action of magnetic force until the first elastic piece (302) and the second elastic piece (303) are clamped on the surface of the connecting end of the water meter, and because corresponding threads are arranged on the connecting end of the water meter, the air bag (301) is in contact with the threads on the connecting end of the water meter under the action of the first elastic piece (302) and the second elastic piece (303), so that the friction force between the air bag (301) and the connecting end of the water meter is increased, and the problem of untight connection or leakage is avoided;
s4, a user can pull the handle limiting rod (404) with one hand, so that a locking rod (407) on the handle limiting rod (404) is separated from a lock tooth (408) on the angle coil (402), the other hand drives the angle coil (402) in the shell (401) to rotate through the hand-operated rod (403), the rotating angle coil (402) can wind a fastening rope (306) on the angle coil (402), so that the fastening rope (306) between the first elastic piece (302) and the second elastic piece (303) is tightened, after tightening is completed, the handle limiting rod (404) is loosened, the handle limiting rod (404) drives the locking rod (407) to be clamped with the lock tooth (408) under the action of the abutting plate (405) and the first spring (406), the rotation of the angle coil (402) in the detection process is avoided, and the unstable connection of the first elastic piece (302) and the second elastic piece (303) is avoided, the connecting effect of the water meter mounting connecting piece (2) and the water meter is greatly improved, the problem of leakage of the water meter in the detection process is avoided, and therefore the detection accuracy is greatly improved;
s5, when a user needs to disassemble the water meter, the user pulls the handle limiting rod (404) by hand to enable the locking rod (407) to be separated from the locking tooth (408), and the hand-operated rod (403) is rotated in the direction to enable the fastening rope (306) wound on the angle wire coil (402) to be loosened, so that a certain space is provided for the movement of the first elastic piece (302) and the second elastic piece (303);
s6, the user pulls the water meter with force, the water meter is connected with the water meter installation connecting piece (2) through the air bag, the water meter tends to slide under the action of pulling force until the connecting end of the water meter is separated from the contact plate (503) in the water meter installation connecting piece (2), the contact plate (503) rebounds under the action of the second spring (504), the sealing plate (502) is clamped in the sealing cavity (206), the user presses the contact plate (503) with a hand to separate the sealing plate (502) from the sealing cavity (206), the sealing column (505) is not clamped in the clamping cavity (208), gas in the air bag (301) is discharged through the air guide pipe (202), the air conveying pipe (205), the sliding cavity (204) and the spring placing groove (207) until all gas in the air bag (301) is discharged, and the water meter is dismounted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010792558.3A CN111721381A (en) | 2020-08-09 | 2020-08-09 | Water meter testing device and testing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010792558.3A CN111721381A (en) | 2020-08-09 | 2020-08-09 | Water meter testing device and testing method thereof |
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| CN111721381A true CN111721381A (en) | 2020-09-29 |
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| CN202010792558.3A Withdrawn CN111721381A (en) | 2020-08-09 | 2020-08-09 | Water meter testing device and testing method thereof |
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Application publication date: 20200929 |