CN209055169U - Protecting LCD screen cover in ultrasonic water meter - Google Patents
Protecting LCD screen cover in ultrasonic water meter Download PDFInfo
- Publication number
- CN209055169U CN209055169U CN201821762983.2U CN201821762983U CN209055169U CN 209055169 U CN209055169 U CN 209055169U CN 201821762983 U CN201821762983 U CN 201821762983U CN 209055169 U CN209055169 U CN 209055169U
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- water meter
- lcd screen
- arc
- protecting lcd
- screen cover
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Abstract
The utility model relates to the protecting LCD screen covers in a kind of ultrasonic water meter, liquid crystal display is fixed in the shell of water meter upper cover and water meter lower cover composition, the protective cover includes bracket and window, the window is arc-shaped sheet glass, it outer edge matched holding section and the fixed part that turns down outward along the holding section that the bracket, which includes with the arc-shaped sheet glass, location hole and at least three locking slots there are two being set on the fixed part, the location hole is matched with the positioning column on the water meter on lid, the locking slot is corresponding with the threaded hole on the water meter on lid.On the one hand protecting LCD screen cover provided by the utility model can provide seal protection for internal liquid crystal display and single-chip microcontroller, on the other hand convenient for the display of observation liquid crystal display.
Description
Technical field
Protecting LCD screen cover the utility model relates to water meter production field, in particular in a kind of ultrasonic water meter.
Background technique
Ultrasonic flow detection technique is the new technology developed rapidly in recent years, it is passed in a fluid using ultrasonic wave
Contained fluid flow information is broadcast to measure fluid flow.Compared with the flowmeters such as traditional vortex street, electromagnetism, ultrasonic flowmeter
Have the characteristics that it is non-contact, without crushing, precision height, low cost, structure is simple, measurement range is wide.Especially ultrasonic flowmeter
It is small in size, cost is unrelated with bore, it solve commercial measurement Large diameter measuring device manufacture, transport difficult and cost it is high
Outstanding problem makes it be particularly suitable for the flow measurement of temporary pipeline, large diameter pipeline, has obtained in industrial water supply system extensively
Using.
The structure of existing ultrasonic flowmeter is usual are as follows: is arranged in tube body for emitting, received ultrasonic signal
First ultrasonic transducer and the second ultrasonic transducer, and the first reflector for reflecting ultrasonic wave signal and second anti-
Emitter, its working principle is that: by the ultrasonic signal of the first ultrasonic transducer transmitting through the first reflector and the second reflector
Reflection, be transmitted to the second ultrasonic transducer and be received, to calculate the flow for flowing through the fluid of tube body, and pass through
Liquid crystal display is shown.In practical application, since the single-chip microcontroller of liquid crystal display and inside needs to seal waterproof, how one is provided
The protective cover that kind is at low cost, sealing effect is good, is those skilled in the art's technical problem urgently to be resolved.
Utility model content
The utility model provides the protecting LCD screen cover in a kind of ultrasonic water meter, to solve the above technical problems.
In order to solve the above technical problems, the utility model provides the protecting LCD screen cover in a kind of ultrasonic water meter, liquid crystal
Screen is fixed in the shell of water meter upper cover and water meter lower cover composition, and the protective cover includes bracket and window, the window
For arc-shaped sheet glass, the bracket includes with the matched holding section of outer edge of the arc-shaped sheet glass and along the card
The fixed part that conjunction portion turns down outward is set on the fixed part there are two location hole and at least three locking slots, the location hole with
Positioning column matching on the water meter on lid, the locking slot are corresponding with the threaded hole on the water meter on lid.
Preferably, the fixed part includes straight line and arc-shaped edges, the location hole and locking slot are all set in described
On arc-shaped edges.
Preferably, the flatness of the lower surface of the arc-shaped edges is 0.63mm.
Preferably, the middle part of the straight line is equipped with recessing groove.
It is made preferably, the bracket uses with a thickness of the stainless steel material of 1mm.
Compared with prior art, the protecting LCD screen cover in ultrasonic water meter provided by the utility model, liquid crystal display are fixed
In in the shell that water meter upper cover and water meter lower cover form, the protective cover includes bracket and window, and the window is circular arc
Shape sheet glass, the bracket include with the matched holding section of outer edge of the arc-shaped sheet glass and along the holding section to
The fixed part of outer fold, sets that there are two location hole and at least three locking slots, the location hole and the water on the fixed part
Positioning column matching on table on lid, the locking slot are corresponding with the threaded hole on the water meter on lid.It is provided by the utility model
On the one hand protecting LCD screen cover can provide seal protection for internal liquid crystal display and single-chip microcontroller, on the other hand convenient for observation liquid
The display of crystalline substance screen.
Detailed description of the invention
Fig. 1 is the installation signal of the protecting LCD screen cover in one specific embodiment of the utility model in ultrasonic water meter
Figure；
Fig. 2 is the structural schematic diagram of bracket in one specific embodiment of the utility model.
In figure: 10- liquid crystal display, 20- water meter upper cover, 21- positioning column, 22- threaded hole, 23- aerial socket, 30- bracket,
The holding section 31-, 32- fixed part, 33- location hole, 34- locking slot, 35- recessing groove, 40- window.
Specific embodiment
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing to this
The specific embodiment of utility model is described in detail.It should be noted that the utility model attached drawing is all made of simplified form
And non-accurate ratio is used, only to convenient, lucidly aid illustration the utility model embodiment purpose.
Protecting LCD screen cover in ultrasonic water meter provided by the utility model, as depicted in figs. 1 and 2, liquid crystal display 10 are solid
Due in the shell of water meter upper cover 20 and water meter lower cover composition (not shown), the protective cover includes bracket 30 and window 40,
The window 40 is arc-shaped sheet glass, and the bracket 30 includes and the outer edge of the arc-shaped sheet glass is matched engages
Portion 31 and the fixed part 32 turned down outward along the holding section 31, set on the fixed part 32 there are two location hole 33 and at least
Three locking slots 34, the location hole 33 are matched with the positioning column 21 in the water meter upper cover 20, the locking slot 34 with it is described
Threaded hole 22 in water meter upper cover 20 is corresponding.When installation, window 40 is first placed in 20 top of water meter upper cover, then by bracket
30 are placed on window 40, realize that the relative position of bracket 30 and water meter upper cover 20 is solid using location hole 33 and positioning column 21
It is fixed, and due to the matching of the holding section of bracket 30 31 and 40 shape of window, realize the relative position of bracket 30 and window 40
It is fixed, and then protect liquid crystal display 10；And window 40 uses transparent glass material, convenient for observing at any time.
Preferably, ask emphasis with reference to Fig. 2, the fixed part 32 includes straight line and arc-shaped edges, the location hole 33 and
Locking slot 34 is all set on the arc-shaped edges；The middle part of the straight line is equipped with recessing groove 35, and the recessing groove 35 is water meter
Aerial socket 23 in upper cover 20 provides enough resignings, avoids the formation of interference.
Preferably, with continued reference to FIG. 2, the lower surface (plane contacted with the water meter upper cover 20) of the arc-shaped edges
Flatness be 0.63mm, push down window 40, and the flatness of degree of precision can make 30 lower plane of bracket fit closely water
20 plane of table upper cover, not warpage, indeformable, so that the bracket 30 after locking keeps uniformly lower pressure for the surrounding of window 40
Amount.
Preferably, with continued reference to FIG. 2, the bracket 30 has corrosion resistant using being made with a thickness of the stainless steel material of 1mm
Corrosion, heat resistance, good low temperature intensity and workability.
In conclusion the protecting LCD screen cover in ultrasonic water meter provided by the utility model, liquid crystal display 10 are fixed on water
In the shell of table upper cover 20 and water meter lower cover composition, the protective cover includes bracket 30 and window 40, and the window 40 is
Arc-shaped sheet glass, the bracket 30 include with the matched holding section 31 of the outer edge of the arc-shaped sheet glass and along described
The fixed part 32 that holding section 31 turns down outward is set on the fixed part 32 there are two location hole 33 and at least three locking slots 34,
The location hole 33 is matched with the positioning column 21 in the water meter upper cover 20, on the locking slot 34 and the water meter upper cover 20
Threaded hole 22 is corresponding.On the one hand protecting LCD screen cover provided by the utility model can be internal liquid crystal display 10 and single-chip microcontroller
Seal protection is provided, on the other hand convenient for the display of observation liquid crystal display 10.
Obviously, it is practical new without departing from this can to carry out various modification and variations to utility model by those skilled in the art
The spirit and scope of type.If in this way, these modifications and variations of the present invention belong to the utility model claims and its
Within the scope of equivalent technologies, then the utility model is also intended to including these modification and variations.
Claims (5)
1. the protecting LCD screen cover in a kind of ultrasonic water meter, liquid crystal display is fixed on the shell of water meter upper cover and water meter lower cover composition
It is interior, which is characterized in that the protective cover includes bracket and window, and the window is arc-shaped sheet glass, the bracket packet
Including with the arc-shaped sheet glass outer edge matched holding section and the fixed part that turns down outward along the holding section, described
Positioning column on location hole and at least three locking slots there are two being set on fixed part, the location hole and the water meter on lid
Match, the locking slot is corresponding with the threaded hole on the water meter on lid.
2. the protecting LCD screen cover in ultrasonic water meter as described in claim 1, which is characterized in that the fixed part includes straight
Line side and arc-shaped edges, the location hole and locking slot are all set on the arc-shaped edges.
3. the protecting LCD screen cover in ultrasonic water meter as claimed in claim 2, which is characterized in that the following table of the arc-shaped edges
The flatness in face is 0.63mm.
4. the protecting LCD screen cover in ultrasonic water meter as claimed in claim 2, which is characterized in that the middle part of the straight line
Equipped with recessing groove.
5. the protecting LCD screen cover in ultrasonic water meter as described in claim 1, which is characterized in that the bracket uses thickness
It is made of the stainless steel material of 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821762983.2U CN209055169U (en) | 2018-10-29 | 2018-10-29 | Protecting LCD screen cover in ultrasonic water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821762983.2U CN209055169U (en) | 2018-10-29 | 2018-10-29 | Protecting LCD screen cover in ultrasonic water meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209055169U true CN209055169U (en) | 2019-07-02 |
Family
ID=67051839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821762983.2U Active CN209055169U (en) | 2018-10-29 | 2018-10-29 | Protecting LCD screen cover in ultrasonic water meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209055169U (en) |
-
2018
- 2018-10-29 CN CN201821762983.2U patent/CN209055169U/en active Active
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