CN209910762U

CN209910762U - Anti-freezing pressure-reducing dry water meter

Info

Publication number: CN209910762U
Application number: CN201920709209.3U
Authority: CN
Inventors: 简柏青
Original assignee: Changzhou Tianhou Instrument Technology Co Ltd
Current assignee: Changzhou Tianhou Instrument Technology Co Ltd
Priority date: 2019-05-17
Filing date: 2019-05-17
Publication date: 2020-01-07
Anticipated expiration: 2029-05-17

Abstract

The utility model relates to a dry-type water meter technical field, in particular to a dry-type water meter for preventing freezing and pressure reduction, which solves the defects of easy frost damage and incapability of automatic pressure reduction in the prior art, comprising a shell, a water outlet, a water inlet, a clapboard and a metering component, wherein the shell is of a cavity structure, the clapboard divides the shell into a metering cavity and a water flow cavity, a first pressure sensor and a second pressure sensor are sequentially arranged on two sides of the inner wall of the water flow cavity, a first silica gel gasket and a second silica gel gasket are bonded on two sides of the inner wall of the water flow cavity through an adhesive, a decompression chamber is also arranged in the water flow cavity, and when the water pressure at the water inlet is too high, the water inlet extrudes the sliding block to slide and then acts on the rotating rod to rotate, so that the water quantity of the water inlet is greatly reduced after the baffle slides downwards, thereby reduce the inside water pressure of water gauge, guaranteed that the water gauge count is accurate, the practicality is strong.

Description

Anti-freezing pressure-reducing dry water meter

Technical Field

The utility model relates to a dry-type water gauge technical field especially relates to a dry-type water gauge of decompression prevents frostbite.

Background

The dry water meter is not affected by suspended impurities in water because the counting mechanism of the dry water meter is isolated from the water to be measured, so that the normal work of the counting mechanism and the clear reading are ensured, and the phenomenon that the reading of the water meter is affected by the fogging below the glass or condensed water drops and the like caused by the temperature difference between the inside and the outside of the meter, which is caused by the wet water meter, can be avoided.

The dry-type water meter in the prior art has the defects that the water meter is frozen in winter, damaged and cracked, particularly, the dry-type water meter is used for replacing an outdoor water meter once a year, when the water pressure of a water supply pipeline is high, the water pressure of the water meter cannot be automatically reduced, the counting obstacle of the water meter is caused, and the use limitation is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects of easy frost damage and automatic decompression failure in the prior art and providing a freeze-proof decompression dry water meter.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a dry-type water gauge of decompression prevents frostbite, includes casing, delivery port, water inlet, baffle and measurement part, the casing is the cavity structure, the baffle separates the casing for measurement chamber and rivers chamber, first pressure sensor and second pressure sensor are installed in proper order to the inner wall both sides in rivers chamber, and the inner wall both sides in rivers chamber still bond through the adhesive has first silica gel gasket and second silica gel gasket, the inside in rivers chamber still is provided with the decompression chamber, the inside welding of decompression chamber has decompression spring, and decompression spring's one end is connected with the slider through the buckle, the slider slides and sets up the inside of decompression chamber, and one side activity hinge of slider has the dwang, and the other end activity hinge of dwang has the baffle, the baffle slides and sets up inner wall one side in rivers chamber.

Preferably, the lower surface of the partition plate is provided with a first heating pipe, one side of the inner wall of the water flow cavity is provided with a second heating pipe, and the first pressure sensor and the second pressure sensor are respectively and electrically connected with the first heating pipe and the second heating pipe.

Preferably, an arc-shaped groove is formed in one side of the inner portion of the water flow cavity, and one end of the baffle is connected with the inner portion of the arc-shaped groove in a sliding mode.

Preferably, the activity groove has been seted up to one side of decompression chamber, and the inner wall in activity groove bonds and has sealed rubber, the dwang passes the inside in activity groove, and sealed rubber parcel is in the outside of dwang.

Preferably, the outer surface of the shell is coated with a heat insulation layer, and the partition plate is made of hard alloy steel.

Preferably, a sliding groove is formed in one side of the inner wall of the decompression chamber, and the sliding block is connected with the inside of the sliding groove in a sliding mode.

Preferably, the welding of inner wall one side in rivers chamber has the fixing base, one side and the fixing base activity hinge joint of dwang.

The utility model has the advantages that:

1. the utility model discloses in through the heat insulating layer, first pressure sensor, second pressure sensor, first heating pipe, the second heating pipe, first silica gel gasket, the setting of second silica gel gasket isotructure, the heat insulating layer makes the temperature of water gauge isolated with external as far as possible, when the water gauge is frozen, after producing pressure, inside silica gel gasket can extrude to both sides, enlarge the inside volume in rivers chamber, avoid the too big damage of pressure, in addition when the silica gel piece produces certain pressure to pressure sensor, the heating pipe starts to heat up the water gauge, solve the problem of freezing from the root, effectively carry out freeze protection to the water gauge, the service life of the water gauge is prolonged.

2. The utility model discloses in through the setting of slider, decompression chamber, decompression spring, dwang, baffle isotructure, when water inlet department water pressure was too big, the extrusion slider slides the back, acts on the dwang and rotates, makes the baffle after the lapse reduce the water yield of water inlet greatly to reduce the inside water pressure of water gauge, guaranteed that the water gauge count is accurate, the practicality is strong.

Drawings

Fig. 1 is a schematic front structural view of an anti-freezing pressure-reducing dry water meter according to the present invention;

FIG. 2 is a partial schematic view of the present invention during pressure reduction;

fig. 3 is an enlarged view of the dry water meter with anti-freezing and pressure-reducing functions, which is shown in the position of reference number a.

In the figure: the device comprises a shell 1, a heat insulation layer 2, a water outlet 3, a water inlet 4, a partition plate 5, a metering cavity 6, a metering component 7, a water flow cavity 8, a first silica gel gasket 9, a first pressure sensor 10, a first heating pipe 11, a second silica gel gasket 12, a second pressure sensor 13, a second heating pipe 14, a decompression chamber 15, a decompression spring 16, a movable groove 17, a fixed seat 18, a baffle plate 19, an arc-shaped groove 20, a rotating rod 21, a slider 22 and sealing rubber 23.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a freeze-proof pressure-reducing dry water meter comprises a shell 1, a water outlet 3, a water inlet 4, a partition plate 5 and a metering component 7, wherein the shell 1 is of a cavity structure, the partition plate 5 divides the shell 1 into a metering cavity 6 and a water flow cavity 8, a first pressure sensor 10 and a second pressure sensor 13 are sequentially installed on two sides of the inner wall of the water flow cavity 8, a first silica gel gasket 9 and a second silica gel gasket 12 are further bonded on two sides of the inner wall of the water flow cavity 8 through an adhesive, a pressure reducing chamber 15 is further arranged inside the water flow cavity 8, a pressure reducing spring 16 is welded inside the pressure reducing chamber 15, one end of the pressure reducing spring 16 is connected with a sliding block 22 through a buckle, the sliding block 22 is arranged inside the pressure reducing chamber 15 in a sliding manner, a rotating rod 21 is movably hinged on one side of the sliding block 22, a baffle 19 is movably hinged on, through the arrangement of the structures such as the heat insulation layer 2, the first pressure sensor 10, the second pressure sensor 13, the first heating pipe 11, the second heating pipe 14, the first silica gel gasket 9, the second silica gel gasket 12 and the like, the temperature of the water meter is isolated from the outside as much as possible by the heat insulation layer 2, when the water meter is frozen, the inner silica gel gasket can be extruded towards two sides after pressure is generated, the inner volume of the water flow cavity 8 is enlarged, the excessive damage of the pressure is avoided, in addition, when the silica gel gasket generates certain pressure to the pressure sensor, the heating pipe is started to heat the water meter, the frozen problem is solved fundamentally, the water meter is effectively protected from freezing, the service life of the water meter is prolonged, the first heating pipe 11 is installed on the lower surface of the partition plate 5, the second heating pipe 14 is installed on one side of the inner wall of the water flow cavity 8, and the first pressure sensor 10 and the second pressure sensor 13 are respectively electrically connected with the first heating pipe, an arc-shaped groove 20 is formed in one side of the inside of the water flow cavity 8, and through the arrangement of the sliding block 22, the decompression chamber 15, the decompression spring 16, the rotating rod 21, the baffle plate 19 and other structures, when the water pressure at the water inlet 4 is too high, the sliding block 22 is extruded to slide and then the rotating rod 21 is acted to rotate, so that the water quantity of the water inlet 4 is greatly reduced after the baffle plate 19 slides downwards, the internal water pressure of the water meter is reduced, the counting accuracy of the water meter is ensured, the practicability is high, one end of the baffle plate 19 is in sliding connection with the inside of the arc-shaped groove 20, the movable groove 17 is formed in one side of the decompression chamber 15, the sealing rubber 23 is bonded on the inner wall of the movable groove 17, the rotating rod 21 penetrates;

wherein, the surface coating of casing 1 has thermal-insulated layer 2, and the material of baffle 5 is carbide steel, and the spout has been seted up to the inner wall one side of decompression chamber 15, the inside sliding connection of slider 22 and spout, and the welding of inner wall one side of rivers chamber 8 has fixing base 18, and one side and the 18 swing joints of fixing base of dwang 21.

In the embodiment, when the dry-type water meter is used, the high-strength partition plate 5 is additionally arranged in the dry-type water meter, so that the pressure resistance of the shell 1 is enhanced, the shell 1 is divided into the metering cavity 6 for installing the metering component 7 and the water flow cavity 8 by the partition plate 5, the metering component 7 at the top is used for counting the water meter, the shell 1 is isolated from the outside temperature as much as possible by the thermal insulation layer 2, the freezing resistance of the shell 1 is enhanced, if the outdoor temperature is too low and the water in the water flow cavity 8 expands, the first silica gel gasket 9 and the second silica gel gasket 12 are extruded towards two sides, the volume in the water flow cavity 8 is enlarged, the water meter is prevented from being extruded and damaged, when the two silica gel sheets are extruded to generate a certain pressure, signals are transmitted to the first heating pipe 11 and the second heating pipe 14 through the two pressure sensors, the two heating pipes are started to heat the water meter, after the pressure of the pressure sensor disappears, the heating pipe automatically stops heating, and the models of the first pressure sensor 10 and the second pressure sensor 13 are DJSW-40;

further, the pressure of intaking of water inlet 4 is too big, slider 22 pressurized upwards slides, the compression of 16 atress of pressure relief spring, sealing rubber 23 has been wrapped up in the outside of dwang 21, it is sealed to make one side of decompression chamber 15, the one end of dwang 21 upwards promotes along with slider 22, the other end of dwang 21 rotates downwards, it slides downwards on arc wall 20 to drive baffle 19, block water inlet 4, reduce the inflow of water inlet 4, automatically reduce the inside pressure of water gauge, it is accurate to make the count, water pressure reduces the back, slider 22 is no longer pressurized, elasticity through pressure relief spring 16 makes slider 22 recover.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a dry-type water gauge of decompression prevents frostbite, includes casing (1), delivery port (3), water inlet (4), baffle (5) and measurement unit (7), its characterized in that, casing (1) is the cavity structure, baffle (5) are separated casing (1) for measurement chamber (6) and rivers chamber (8), first pressure sensor (10) and second pressure sensor (13) are installed in proper order to the inner wall both sides in rivers chamber (8), and the inner wall both sides in rivers chamber (8) still have first silica gel gasket (9) and second silica gel gasket (12) through the adhesive bonding, the inside in rivers chamber (8) still is provided with decompression chamber (15), the inside welding of decompression chamber (15) has decompression spring (16), and the one end of decompression spring (16) is connected with slider (22) through the buckle, slider (22) slide and set up the inside of decompression chamber (15), and one side activity of slider (22) articulates there is dwang (21), and the other end activity of dwang (21) articulates there is baffle (19), baffle (19) slide to set up inner wall one side of rivers chamber (8).

2. A freeze-protected, pressure-reduced dry water meter as claimed in claim 1, wherein a first heating pipe (11) is installed on the lower surface of said partition plate (5), a second heating pipe (14) is installed on one side of the inner wall of said flow chamber (8), and said first pressure sensor (10) and said second pressure sensor (13) are electrically connected to said first heating pipe (11) and said second heating pipe (14), respectively.

3. A freeze-protected, pressure-relieved dry water meter as set forth in claim 1, wherein said flow chamber (8) is formed with an arcuate slot (20) on one side of the interior thereof, and one end of said baffle (19) is slidably connected to the interior of said arcuate slot (20).

4. The dry water meter of claim 1, wherein a movable groove (17) is formed in one side of the decompression chamber (15), a sealing rubber (23) is bonded to the inner wall of the movable groove (17), the rotating rod (21) penetrates through the movable groove (17), and the sealing rubber (23) is wrapped on the outer side of the rotating rod (21).

5. An anti-freeze, pressure reducing, dry water meter as claimed in claim 1, characterized in that the outer surface of said housing (1) is coated with a thermal insulation layer (2), and said partition plate (5) is made of hard alloy steel.

6. A dry water meter with freeze protection and pressure reduction as claimed in claim 1, wherein a chute is formed on one side of the inner wall of the pressure reduction chamber (15), and the slider (22) is slidably connected to the inside of the chute.

7. A freeze-protected and pressure-reduced dry water meter as claimed in claim 1, characterized in that a fixed seat (18) is welded to one side of the inner wall of said flow chamber (8), and one side of said rotating lever (21) is hinged to said fixed seat (18).