CN220418560U - Smooth large-reflection-area square tube ultrasonic watch case - Google Patents

Abstract

The utility model discloses a smooth square tube ultrasonic watch case with large reflection area, which comprises an outer watch case, wherein two transducer mounting seats are arranged at the upper part of the outer watch case, a plastic straight tube is arranged in the outer watch case, two symmetrically distributed reflecting sheets are arranged in the plastic straight tube, and the two reflecting sheets are distributed in an eight shape. According to the utility model, the plastic straight pipe is adopted to replace a liquid flow chamber formed in the outer watchcase in the past, and is formed by injection molding, so that the problem that the wall surface of the liquid flow chamber in the ultrasonic watchcase is not smooth can be solved, the wall surface is interfered with water flow, the reflecting sheet is obliquely inserted, the reflecting area can be increased, and the problem that the operation difficulty of welding the reflecting sheet in the ultrasonic watchcase is high in the past in a manner of welding the reflecting sheet in the ultrasonic watchcase can be solved.

Description

Smooth large-reflection-area square tube ultrasonic watch case

Technical Field

The utility model relates to the technical field of water meters, in particular to a smooth square tube ultrasonic watchcase with a large reflection area.

Background

The ultrasonic water meter is a novel water meter which further calculates the water flow by detecting the time difference generated by the speed change when the ultrasonic sound beam is transmitted in the water in the concurrent and countercurrent mode and analyzing and processing the flow velocity of the water.

At present, a liquid flow chamber in an ultrasonic watch case is directly formed by a shell, and the inner wall surface of the cavity is difficult to polish smoothly due to metal, so that the interference to water flow can be caused.

Therefore, we propose a smooth square tube ultrasonic watch case with large reflection area to solve the above problems.

Disclosure of Invention

The utility model aims to provide a smooth square tube ultrasonic watch case with large reflection area, which solves the problems that the liquid flow chamber in the conventional ultrasonic watch case is directly formed by a shell, and the inner wall surface of a cavity is difficult to polish smoothly because of being metal, so that the interference to water flow is caused.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a smooth large reflection area square pipe ultrasonic watch case, includes outer watchcase, and two transducer mount pads are installed on the upper portion of outer watchcase, install the plastics straight tube in the outer watchcase, install two symmetrically distributed's reflector plate in the plastics straight tube, two reflector plates are "eight" style of calligraphy and distribute.

In a further embodiment, the outer case is penetrated from outside to inside by a screw which contacts and tightens the plastic straight tube inside the outer case.

In a further embodiment, the plastic straight tube is formed by butt joint of an upper shell and a lower shell.

In a further embodiment, a square sheet is arranged outside the upper shell, two symmetrically distributed reflecting sheets are respectively connected to two ends of the square sheet, two inserting slits corresponding to the reflecting sheets are arranged on the upper shell, and the two reflecting sheets are respectively inserted into the plastic straight pipe from the two inserting slits.

In a further embodiment, a groove is formed in the outer portion of the upper shell, the square sheet is accommodated in the groove, and after the square sheet is accommodated in the groove, the outer side face of the square sheet is flush with the outer side face of the upper shell.

In a further embodiment, the two opposite sides of the two plugging portions are inclined planes, the reflecting sheet inserted into the plastic straight tube is abutted against the opposite inclined planes of the two plugging portions, the side of the plugging portion facing the lower shell is also inclined plane, and the inclined plane plays a role in backflow for liquid flowing in the plastic straight tube.

In a further embodiment, the blocking portion is exposed on the outer wall surface of the upper shell, and two grooves are dug on the blocking portion to expose part of the reflecting sheet.

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

the plastic straight pipe is adopted to replace a liquid flow chamber formed in the outer watchcase in the past, and is formed by injection molding, so that the problem that the wall surface of the liquid flow chamber in the ultrasonic watchcase is not smooth can be solved, the wall surface is interfered with water flow, the reflecting sheet is obliquely inserted, the reflecting area can be increased, and the problem that the operation difficulty of welding the reflecting sheet in the ultrasonic watchcase is high in the past can be solved by welding the reflecting sheet in the ultrasonic watchcase.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the present utility model in front elevation with a cut-away;

FIG. 3 is a schematic view of the overall structure of a plastic straight pipe in the utility model;

FIG. 4 is a schematic view of the internal structure of a plastic straight pipe according to the present utility model.

In the figure: 1. an outer case; 2. a transducer mount; 3. a plastic straight pipe; 4. a reflection sheet; 5. a blocking part; 6. square pieces; 7. a tank body; 8. a screw; 9. an upper case; 10. a lower case; 11. and (5) inserting the seam.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a smooth large reflection area square tube ultrasonic watch case comprises a watch case 1, two transducer mounting seats 2 are mounted on the upper portion of the watch case 1, a plastic straight tube 3 is mounted in the watch case 1, the plastic straight tube 3 is used for replacing a liquid flow chamber formed in the watch case 1 in the past, the plastic straight tube 3 is formed by injection molding, the problem that the wall surface of the liquid flow chamber in the ultrasonic watch case is not smooth can be solved, the wall surface is interfered with water flow, in addition, a screw 8 penetrates through the watch case 1 from outside to inside, the screw 8 is in contact with the plastic straight tube 3 and abuts against the plastic straight tube 3 in the watch case 1, and therefore the plastic straight tube 3 can be tightly mounted in the watch case 1.

The plastic straight pipe 3 is formed by butt joint of the upper shell 9 and the lower shell 10, so that the inside can be cleaned conveniently in the later period.

Two symmetrically-distributed reflecting sheets 4 are arranged in the plastic straight pipe 3, the two reflecting sheets 4 are distributed in an eight shape, a square sheet 6 is arranged outside the upper shell 9, the two symmetrically-distributed reflecting sheets 4 are respectively connected to two ends of the square sheet 6, two inserting slits 11 corresponding to the reflecting sheets 4 are arranged on the upper shell 9, the two reflecting sheets 4 are respectively inserted into the plastic straight pipe 3 from the two inserting slits 11, blocking parts 5 are arranged at two inner ends of the upper shell 9, opposite sides of the two blocking parts 5 are inclined surfaces, the reflecting sheets 4 inserted into the plastic straight pipe 3 are abutted against the inclined surfaces of the two blocking parts 5, and an acute angle space between the reflecting sheets 4 and the wall of the plastic straight pipe 3 is used for blocking the reflecting sheets, the two reflecting sheets 4 arranged in the mode can enlarge the reflecting area in the outer watchcase 1, the mode of installing the reflecting sheets in a traditional ultrasonic watchcase is replaced, the operation difficulty of welding the reflecting sheets in the ultrasonic watchcase in the past is large, in addition, one side of the blocking parts 5 facing the lower shell 10 is also inclined surfaces, the inclined surfaces on the blocking parts 5 can be liquid flow, and the liquid flow can flow, and the acute angle space between the liquid and the reflecting sheets 4 and the wall of the plastic straight pipe is prevented from entering the acute angle space;

the outside of epitheca 9 is equipped with a recess, and square 6 holds in the recess after, and the lateral surface of square 6 and the lateral surface parallel and level of epitheca 9, like this when plastics straight tube 3 is closely supported tightly in epitheca 1, square 6 also is supported tightly for two reflector plates 4 are enough stable in plastics straight tube 3, and shutoff portion 5 exposes at the outer wall of epitheca 9, and digs on shutoff portion 5 and be equipped with two cell bodies 7, in order to expose partial reflector plate 4, can solve plastics straight tube 3 and plastics and mould plastics the shrink problem that forms and bring through cell body 7.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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 disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (7)

1. The utility model provides a smooth large reflection area side pipe ultrasonic watch case, includes exterior shell (1), and two transducer mount pad (2) are installed on the upper portion of exterior shell (1), its characterized in that: the plastic straight tube (3) is arranged in the outer surface shell (1), two symmetrically distributed reflecting sheets (4) are arranged in the plastic straight tube (3), and the two reflecting sheets (4) are distributed in an eight shape.

2. The smooth large-reflection area square tube ultrasonic watch case according to claim 1, wherein: the outer shell (1) is penetrated with a screw (8) from outside to inside, the screw (8) is contacted with the plastic straight pipe (3) and abuts the plastic straight pipe (3) in the outer shell (1).

3. The smooth large reflection area square tube ultrasonic watchcase according to any one of claims 1-2, wherein: the plastic straight pipe (3) is formed by butt joint of an upper shell (9) and a lower shell (10).

4. A smooth large reflective area square tube ultrasonic watch case according to claim 3, wherein: the outside of epitheca (9) is equipped with a square sheet (6), and two reflector plates (4) of symmetric distribution connect the both ends at square sheet (6) respectively, be equipped with two slot (11) that correspond with reflector plate (4) on epitheca (9), two reflector plates (4) are inserted in plastics straight tube (3) from two slot (11) respectively.

5. The smooth large-reflection area square tube ultrasonic meter housing according to claim 4, wherein: the outside of epitheca (9) is equipped with a recess, and square (6) hold in the recess, and after square (6) held in the recess, the lateral surface of square (6) and the lateral surface parallel and level of epitheca (9).

6. The smooth large-reflection area square tube ultrasonic meter housing according to claim 4, wherein: the inner two ends of the upper shell (9) are provided with plugging parts (5), one surface of each plugging part (5) opposite to each other is an inclined surface, the reflecting sheet (4) inserted into the plastic straight pipe (3) is abutted against the inclined surfaces of the two plugging parts (5), and one surface of each plugging part (5) facing the lower shell (10) is also an inclined surface.

7. The smooth large-reflection area square tube ultrasonic meter housing according to claim 6, wherein: the blocking part (5) is exposed out of the outer wall surface of the upper shell (9), and two groove bodies (7) are dug on the blocking part (5) so as to expose part of the reflecting sheet (4).