CN209894260U

CN209894260U - Water meter shell with lightning protection function

Info

Publication number: CN209894260U
Application number: CN201920833541.0U
Authority: CN
Inventors: 徐清华; 夏春礼; 张风刚
Original assignee: Shandong Tianhui Instrument Co Ltd
Current assignee: Shandong Tianhui Instrument Co Ltd
Priority date: 2019-06-04
Filing date: 2019-06-04
Publication date: 2020-01-03
Anticipated expiration: 2029-06-04

Abstract

The utility model belongs to the technical field of water meter shell, and discloses a water meter shell with lightning protection function, which comprises a shell, wherein the top end in the shell is bonded with a silica gel heating sheet, the front surface wall of the shell is provided with a transparent observation window, the front surface wall of the shell is fixed with a coaming at the position around the transparent observation window, the outer surface wall of the coaming is symmetrically fixed with an inserting block, the outer surface wall of the inserting block is provided with an inserting hole, the outer part of the coaming is covered with a blocking cover, the inner surface wall of the blocking cover is symmetrically fixed with an inserting column matched with the inserting hole, the upper end of the side wall of the shell is connected with a water inlet pipe, the blocking cover can be stably fixed at the outer part of the transparent observation window through the matching of the inserting block, the inserting hole and the inserting column, the friction force of inserting can effectively avoid the loosening of the blocking cover, thereby preventing the moisture and dust from entering, and further maintaining the normal use of the water meter, the cleanness of the transparent observation window is ensured.

Description

Water meter shell with lightning protection function

Technical Field

The utility model belongs to the technical field of the water gauge shell, concretely relates to water gauge shell with lightning protection function.

Background

The water meter is a meter for measuring water flow, mostly the accumulated flow of water, and is usually installed in a specific water meter shell during installation, so that the service life of the water meter is prolonged, and damage is avoided.

But the water meter shell on the existing market has certain defect, the fender of traditional water meter shell covers poor stability, breaks away from the casing easily when putting for a long time, and makes the viewing aperture expose, long-term exposure easily makes moisture and dust get into, and then causes the damage of water gauge and the difficulty of reading, in addition, ordinary water meter shell does not set up the lightning protection structure, outdoor water meter shell easily suffers the thunderbolt, and makes the inside water gauge of water meter shell extremely the component damage, and then influences the monitoring of water yield, also causes economic loss.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a water meter shell with lightning protection function to provide traditional fender cover in solving above-mentioned background art and break away from the casing easily, easily make the problem that moisture and dust got into, in addition, do not set up the lightning protection structure, outdoor water meter shell easily suffers the thunderbolt and causes the problem of loss.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a water meter shell with lightning protection function, includes the casing, the inside top of casing bonds and has silica gel piece that generates heat, and the preceding table wall of casing has seted up transparent observation window, the table wall just is located transparent observation window position department all around and is fixed with the bounding wall before the casing, the outward appearance wall symmetry of bounding wall is fixed with the grafting piece, the spliced eye has been seted up to the outward appearance wall of grafting piece, the outside cover of bounding wall is equipped with the fender cover, the interior table wall symmetry of fender cover is fixed with the grafting post with grafting looks adaptation, the lateral wall upper end of casing is connected with the inlet tube, the lateral wall that inlet tube one end was kept away from to the casing is connected with the outlet pipe, the outlet valve is installed to the outward appearance wall.

Preferably, the outer surface wall of the shell is bonded with an insulating pad, and the top end of the shell is fixed with a silicon carbide lightning arrester.

Preferably, the inner wall of the insertion hole is symmetrically provided with grooves, and the outer wall of the insertion column is symmetrically fixed with bulges matched with the grooves.

Preferably, the inside and the position of being located the connection of inlet tube and outlet pipe of casing all installs sealed pad.

Preferably, the outer surface wall of the shield is provided with a handrail, and the inner surface wall of the handrail is in arc transition to form an arc part.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a cooperation of grafting piece, spliced eye and spliced pole can be with keeping off the stable outside of fixing at transparent observation window of cover, and the frictional force of grafting can effectively avoid keeping off the not hard up of cover to prevented moisture and dust entering, and then maintained the normal use of the inside water gauge of water watchcase, guaranteed the clean of transparent observation window, the reading of being convenient for.

(2) The utility model discloses a carborundum arrester can absorb the overvoltage energy, and with the cooperation of insulating pad, can prevent that the electric current from getting into inside the casing, and then avoided the inside water gauge of water gauge shell and component damage, has good protective properties.

(3) The utility model discloses a silica gel piece that generates heat can continuously generate heat, avoids in severe cold weather, and the temperature is low excessively and causes the frost crack of casing, has prolonged the life of this water gauge shell.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a side view of the present invention;

fig. 3 is a front view of the housing of the present invention;

FIG. 4 is a side view of the shield of the present invention;

fig. 5 is a cross-sectional view of the insertion block of the present invention;

FIG. 6 is an enlarged view of portion A of FIG. 4;

in the figure: 1-shell, 2-water inlet pipe, 3-sealing pad, 4-silicon carbide arrester, 5-silica gel heating plate, 6-water outlet valve, 7-water outlet pipe, 8-insulating pad, 9-plug block, 10-shield, 11-handrail, 12-transparent observation window, 13-plug hole, 14-groove, 15-plug column, 16-protrusion, 17-coaming.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a water meter shell with lightning protection function comprises a shell 1, a silica gel heating sheet 5 is bonded at the top end inside the shell 1, the silica gel heating sheet 5 is a flexible thin sheet-shaped electric heating device, poise-shaped and filiform metal heating bodies are uniformly distributed among glass fiber cloth coated with high-temperature resistant silicon rubber and are formed by high-temperature mould pressing, the silica gel heating sheet 5 is thin and usually 0.8-1.5 MM thick, the silica gel heating sheet 5 is light in weight, rapid in heating and rapid in temperature rise, and has the characteristics of large heating surface, uniform heating, weather resistance, corrosion resistance, environmental protection, flame retardance, convenience in installation, long service life and high insulation strength, the silica gel heating sheet 5 is utilized to avoid frost cracking of the shell 1 in severe cold weather and due to over-low temperature, the service life of the water meter shell is prolonged, a transparent observation window 12 is arranged on the front surface wall of the shell 1, and surrounding positions of the front surface wall of the shell 1 and the transparent observation window 12 are fixed with surrounding, the exterior wall symmetry of bounding wall 17 is fixed with grafting piece 9, spliced eye 13 has been seted up to the exterior wall of grafting piece 9, the outside cover of bounding wall 17 is equipped with fender cover 10, the interior table wall symmetry of fender cover 10 is fixed with the plug-in post 15 with spliced eye 13 looks adaptation, after the reading is accomplished, the staff can cover the fender cover 10 that is connected with grafting post 15 outside transparent observation window 12, make the plug-in post 15 inject in the spliced eye 13 that the exterior wall of grafting piece 9 was seted up, the frictional force of grafting can effectively avoid the not hard up of fender cover, thereby moisture and dust entering have been prevented, the lateral wall upper end of casing 1 is connected with inlet tube 2, the lateral wall that inlet tube 2 one end was kept away from to casing 1 is connected with outlet pipe 7, outlet valve 6 is installed to the exterior wall of outlet pipe 7.

Furthermore, an insulating pad 8 is bonded on the outer surface wall of the shell 1, a silicon carbide lightning arrester 4 is fixed at the top end of the shell 1, the silicon carbide lightning arrester 4 comprises a spark gap and a silicon carbide valve block inside, the main function of the spark gap is to isolate the valve block from a charged conductor at ordinary times, the spark gap of the silicon carbide lightning arrester 4 is formed by connecting a plurality of gaps in series, the discharge dispersity is small, and the arc extinguishing performance is good, the silicon carbide valve block is a nonlinear resistor body which is formed by pressing and sintering after being mixed with a binding agent and taking electrical silicon carbide as a main body, the silicon carbide valve block has the main function of absorbing overvoltage energy, and the nonlinear resistance of the silicon carbide valve block is used for limiting discharge current to pass through the voltage drop of the silicon carbide valve block and limiting follow current amplitude and is cooperated.

Furthermore, the inner wall of the inserting hole 13 is symmetrically provided with a groove 14, the outer wall of the inserting column 15 is symmetrically fixed with a protrusion 16 matched with the groove 14, and the protrusion 16 and the groove 14 are matched with each other, so that the friction force during inserting can be increased, and the automatic falling off under the action of wind force is avoided.

Furthermore, the sealing gaskets 3 are arranged in the shell 1 and positioned at the connecting positions of the water inlet pipe 2 and the water outlet pipe 7, the sealing gaskets 3 increase the sealing performance of the connecting positions, and the damage of elements caused by water leakage is avoided.

Further, the handrail 11 is installed to the outward appearance wall of keeping off cover 10, and the transition of the interior table wall circular arc of handrail 11 forms the circular arc portion, and the staff can hold handrail 11 and take off and keep off cover 10, saves physical power, wherein with the handrail 11 interior table wall of circular arc transition, the palm of laminating more when the staff holds, has increased the comfort of holding handrail 11.

The utility model discloses a theory of operation and use flow: when the utility model is used, firstly, the water quantity monitoring device is arranged inside the shell 1, after the water quantity monitoring device is arranged, the monitoring of the water flow can be carried out, during the monitoring, the staff can open the blocking cover 10 by using the handrail 11 at regular time, and then read the indication number of the water flow through the transparent observation window 12, after the reading is completed, the worker can cover the shield 10 with the plug-in post 15 attached to it outside the transparent observation window 12, so that the inserting column 15 is inserted into the inserting hole 13 formed on the outer surface wall of the inserting block 9, the friction force of inserting can effectively avoid the looseness of the blocking cover, thereby preventing the entry of moisture and dust, and, in addition, the cooperation of the silicon carbide arrester 4 with the insulating pad 8, the entry of electric current into the interior of the case 1 can be prevented, and then avoided inside water gauge of water gauge shell and component damage, silica gel heating plate 5 can continuously generate heat, avoids when severe cold weather, and the temperature is low excessively and causes the frost crack of casing 1.

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

1. The utility model provides a water gauge shell with lightning protection function which characterized in that: comprises a shell (1), a silica gel heating sheet (5) is bonded at the top end inside the shell (1), a transparent observation window (12) is arranged on the front surface wall of the shell (1), a coaming (17) is fixed on the front surface wall of the shell (1) and positioned at the periphery of the transparent observation window (12), the outer wall of the coaming (17) is symmetrically fixed with an inserting block (9), the outer wall of the inserting block (9) is provided with an inserting hole (13), a baffle cover (10) is covered outside the coaming (17), the inner surface wall of the baffle cover (10) is symmetrically fixed with plug-in columns (15) matched with the plug-in holes (13), the lateral wall upper end of casing (1) is connected with inlet tube (2), the lateral wall that inlet tube (2) one end was kept away from in casing (1) is connected with outlet pipe (7), outlet valve (6) are installed to the outward appearance wall of outlet pipe (7).

2. A water meter case with lightning protection function according to claim 1, characterized in that: an insulating pad (8) is bonded on the outer surface wall of the shell (1), and a silicon carbide lightning arrester (4) is fixed at the top end of the shell (1).

3. A water meter case with lightning protection function according to claim 1, characterized in that: the inner wall of the plug hole (13) is symmetrically provided with grooves (14), and the outer wall of the plug column (15) is symmetrically fixed with bulges (16) matched with the grooves (14).

4. A water meter case with lightning protection function according to claim 1, characterized in that: the sealing gasket (3) is arranged in the shell (1) and at the connecting position of the water inlet pipe (2) and the water outlet pipe (7).

5. A water meter case with lightning protection function according to claim 1, characterized in that: the outer surface wall of the baffle cover (10) is provided with a handrail (11), and the inner surface wall of the handrail (11) is in arc transition to form an arc part.