CN212567539U - Gauge outfit seal assembly and supersound water gauge - Google Patents

Abstract

The utility model provides a gauge outfit seal assembly and supersound water gauge relates to water gauge technical field for when the screw of solving when connecting sealed lid and lower sealing cover is not hard up, the water easily from the technical problem in the gauge outfit of getting into the supersound water gauge between sealed lid and the lower sealing cover. This gauge outfit seal assembly's body is provided with first through-hole, the first end of body is formed with the flange that extends to in the first through-hole, the flange forms the mounting groove that holds the sight glass piece with the medial surface of first through-hole, the flange is provided with along the annular groove of flange circumference extension towards the terminal surface of the second end of body, first sealing member sets up in the annular groove, the retaining member is fixed in first through-hole and supports the sight glass piece and press on the flange, the retaining member is provided with the second through-hole corresponding and the intercommunication with first through-hole, gauge outfit seal assembly's body is structure as an organic whole, water has been avoided from the top, get into the gauge outfit between the lower sealing lid, gauge outfit seal assembly's leakproofness has been improved, can guarantee to set up the device.

Description

Gauge outfit seal assembly and supersound water gauge

Technical Field

The utility model relates to a water gauge technical field especially relates to a gauge outfit seal assembly and supersound water gauge.

Background

The ultrasonic water meter is used for measuring the flow of water, and the flow velocity of the water is obtained by detecting the time difference generated by the change of the velocity when an ultrasonic beam propagates in the downstream and the upstream in the water, so that the flow of the water is calculated. The ultrasonic water meter has the advantages of low initial flow velocity, wide range ratio, high measurement precision and stable work, and in addition, the ultrasonic water meter has no movable part and no flow blocking part inside, is not influenced by impurities in water, has long service life and excellent small flow detection capability, thereby having wide application market and application prospect.

Ultrasonic water meters typically include a base, an ultrasonic transducer mounted in the base, a meter head and a meter head seal assembly, wherein the ultrasonic transducer is used to transmit and receive ultrasonic signals. The matrix still is provided with rivers passageway and gauge outfit, and the gauge outfit is connected with gauge outfit seal assembly, is formed with the cavity in the gauge outfit, is provided with flow calculation device, display device etc. in the cavity, and flow calculation device can calculate the rivers flow and show on display device according to the signal of telecommunication of ultrasonic transducer output. A head seal assembly of an ultrasonic water meter generally includes an upper seal cover, a lower seal cover, and a sight glass disposed between the upper and lower seal covers, which are connected by screws.

However, when the screw connecting the upper seal cover and the lower seal cover is loosened, water is liable to enter into the meter head of the ultrasonic water meter from between the upper seal cover and the lower seal cover, affecting the performance of the device provided in the meter head.

SUMMERY OF THE UTILITY MODEL

In view of the above problem, the embodiment of the utility model provides a gauge outfit seal assembly and supersound water gauge for prevent that water from entering into the gauge outfit of supersound water gauge between upper seal lid and the lower seal lid, ensure to set up the device performance in the gauge outfit.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:

the utility model discloses a first aspect of the embodiment provides a gauge outfit seal assembly, on the gauge outfit of supersound water gauge was located to gauge outfit seal assembly lid, gauge outfit seal assembly includes: the body is provided with a first through hole, a flange extending into the first through hole is arranged at the first end of the body, an installation groove is formed between the flange and the inner side surface of the first through hole, and an annular groove extending along the circumferential direction of the flange is arranged on the end surface, facing the second end of the body, in the flange; the visual lens is arranged in the mounting groove; the locking piece is fixedly arranged in the first through hole so as to press the sight glass piece on the flange, and is provided with a second through hole corresponding to the first through hole and communicated with the first through hole; a first seal disposed within the annular groove, the first seal sealing between the flange and the viewing lens.

The embodiment of the utility model provides a be provided with first through-hole on gauge outfit seal assembly's the body, the first end of the first through-hole is the first end of body and is formed with the flange that extends to in the first through-hole, the flange forms the mounting groove that holds the sight lens with the medial surface of first through-hole, and the flange is provided with the annular groove that extends along flange circumference towards the terminal surface of the second end of body, set up sealed first sealing member between with flange and the sight glass piece in the annular groove, when the retaining member that sets up in first through-hole supports the sight glass piece and presses at the flange and realize looking the fixed time of lens, utilize first sealing member can seal the gap between sight glass piece and the flange. Compared with the body in the prior art by last sealed lid and lower sealing cover through the screw connection constitution, the embodiment of the utility model provides a body structure as an organic whole need not adopt the screw to connect up sealed lid and lower sealing cover, consequently, just also does not exist and leads to the phenomenon that water entered into in the gauge outfit between last sealed lid and the lower sealing cover because of the screw is not hard up, has improved gauge outfit seal assembly's leakproofness, and then can guarantee to set up the device performance in the gauge outfit.

In the gauge outfit sealing assembly, the outer circumferential surface of the locking member is provided with a first external thread, and the inner side surface of the first through hole is provided with a first internal thread matched with the first external thread.

In the above gauge head sealing assembly, an adhesive is provided between the first external thread and the first internal thread of the locking member.

In the above-described head seal assembly, the head seal assembly further includes: and the meter cover is rotatably connected with the first end of the body and is arranged on the first through hole.

In the gauge outfit sealing assembly, the first end of the body is provided with two opposite bulges, an accommodating groove is formed between the two bulges, one bulge is provided with a blind hole, the other bulge is provided with a third through hole, and the inner side surface of the third through hole is provided with a second internal thread; the table lid is provided with the extension, the extension is installed in the holding tank, the extension is provided with the fourth through-hole, be provided with the pin in the fourth through-hole, the one end of pin stretches into in the blind hole, be provided with on the other end outer peripheral face of pin with second internal thread matched with second external screw thread.

In the meter head sealing assembly, the meter head sealing assembly further comprises an identification plate attached to the sight glass, and the identification plate is provided with an identifier of technical parameters of the ultrasonic water meter.

In the above gauge outfit sealing assembly, the gauge outfit sealing assembly further comprises a buffer pad, the buffer pad is disposed between the viewing lens and the locking member, the buffer pad is provided with a fifth through hole corresponding to the first through hole, and the fifth through hole is communicated with the first through hole.

The utility model discloses the second aspect of the embodiment still provides an supersound water gauge, comprising a base member, be provided with the gauge outfit on the base member, the gauge outfit upper cover be provided with as above gauge outfit seal assembly.

The utility model discloses supersound water gauge is owing to have above-mentioned gauge outfit seal assembly, so has above-mentioned gauge outfit seal assembly's advantage, simple structure and leakproofness are good, and concrete effect refers to the above-mentioned, no longer give unnecessary details here.

In the ultrasonic water meter, the meter head is provided with a threaded hole; the gauge outfit sealing assembly is characterized in that a countersunk through hole is formed in the body of the gauge outfit sealing assembly, and the body is connected with the gauge outfit through a screw which penetrates through the countersunk through hole and is in threaded connection with the threaded hole.

In the ultrasonic water meter, the countersunk head through hole is further provided with a screw cover, and the screw cover is arranged on one side of the screw, which is far away from the meter head.

In addition to the technical problems, technical features constituting technical solutions, and advantageous effects brought by the technical features of the technical solutions described above, the embodiments of the present invention provide other technical problems that can be solved by the meter head sealing assembly and the ultrasonic water meter, other technical features included in the technical solutions, and advantageous effects brought by the technical features, which will be described in further detail in the following detailed description.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a partial exploded view of an ultrasonic water meter according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of an ultrasonic water meter according to an embodiment of the present invention;

FIG. 3 is a partial cross-sectional view of area F of FIG. 2;

fig. 4 is a top view of a header seal assembly in accordance with an embodiment of the present invention;

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;

fig. 6 is a partial sectional view taken along line B-B in fig. 5.

Description of reference numerals:

10. a gauge head seal assembly; 11. A watch cover;

111. an extension portion; 112. A handle;

12. a marking plate; 13. A body;

14. a flange; 15. Mounting grooves;

16. an annular groove; 17. A first seal member;

18. viewing the lens; 19. A locking member;

20. a cushion pad; 30. A screw;

31. a screw cover; 40. A second seal member;

50. a substrate; 51. A flange;

52. a gauge head; 53. An ultrasonic transducer;

54. a water flow channel; 60. A pin;

70. a binder; 80. A third via.

Detailed Description

For preventing during water enters into the gauge outfit of supersound water gauge between upper seal lid and the lower seal lid, ensure to set up the device performance in the gauge outfit, the embodiment of the utility model provides a be provided with first through-hole on gauge outfit seal assembly's the body, the first end of body is formed with the flange that extends to in the first through-hole, the flange forms the mounting groove that holds the sight glass piece with the medial surface of first through-hole, the retaining member sets up in first through-hole and supports the sight glass piece on the flange, seal through the sealing member between retaining member and the flange, through setting up the body as an organic whole structure, avoided during water enters into the gauge outfit from between upper seal lid and the lower seal lid, improved gauge outfit seal assembly's leakproofness, and then can guarantee to set up the device performance in the gauge outfit.

In order to make the above objects, features and advantages of the embodiments of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1 and 2, an ultrasonic water meter according to an embodiment of the present invention includes a base 50, an ultrasonic transducer 53, a flow rate calculation device, a display device, and a meter head sealing assembly 10. The base body 50 is a carrier of the ultrasonic water meter, and is used for mounting the ultrasonic transducer 53, the flow calculating device, the display device and the meter head sealing assembly 10, and is connected with a water pipe for water flow. The base body 50 is provided with a water flow channel 54, the water flow channel 54 is communicated with a water pipe, and the ultrasonic water meter detects water passing through the water flow channel 54.

Both ends of the base body 50 are provided with flanges 51 to fixedly connect the base body 50 with the water pipe. A meter head 52 is arranged between the two flanges 51, in the embodiment, as shown in fig. 1, the meter head 52 is arranged on the upper side of the base 50, the meter head sealing assembly 10 is arranged on the meter head 52 in a covering manner, a cavity is arranged in the meter head 52, and a flow calculating device and a display device are arranged in the cavity, the flow calculating device is used for calculating the flow of water, for example, the flow calculating device is a flow integrating instrument; the display device is used for displaying information, for example, the display device is a liquid crystal display screen used for displaying the water flow value.

With continued reference to fig. 1 and 2, the head seal assembly 10 is removably attached to the head 52, for example, the head 52 is provided with a threaded hole, the head seal assembly 10 is provided with a mounting through hole, and the screw 30 passes through the mounting through hole and is attached in the threaded hole, thereby removably securing the head seal assembly 10 to the head 52.

In a possible embodiment, the mounting through hole is a countersunk through hole, and referring to fig. 2 and 3, that is, the gauge head sealing assembly 10 is provided with a countersunk through hole, the gauge head 52 is correspondingly provided with a threaded hole, the screw 30 passes through the countersunk through hole to be connected in the threaded hole, and the head of the screw 30 is located in the countersunk through hole. By the design, the screw 30 does not protrude out of the meter head, and the installation space of the ultrasonic water meter is reduced.

In order to prevent foreign matters such as dust from entering the countersunk head through hole and affecting the assembly and disassembly of the subsequent screw 30, in a possible embodiment, a screw cover 31 is further arranged in the countersunk head through hole, and after the screw 30 is installed in the threaded hole, the screw cover 31 is arranged in the countersunk head through hole, as shown in fig. 3, the screw cover 31 is arranged on the side away from the gauge outfit 52 relative to the screw 30, that is, the screw cover 31 is positioned above the screw 30, and thus, the countersunk head through hole is covered by the screw cover 31, on one hand, the screw 30 is not exposed outside the gauge outfit sealing assembly 10, and the screw 30 can be prevented from being disassembled by mistake; on the other hand, it is also possible to prevent foreign matter such as dust from entering the countersunk through holes to facilitate attachment or detachment of the screws 30.

In order to ensure a reliable connection between the head seal assembly and the head 52, the countersunk through holes and the threaded holes may be provided in plurality, in a possible embodiment, four countersunk through holes and four threaded holes are provided, and the countersunk through holes may be provided at four corners of the body 13 of the head seal assembly, that is, the screws 30 and the screw caps 31 are provided at four corners of the head seal assembly 10.

To further prevent the screw from being removed, in a possible embodiment, at least one of the countersunk through holes provided on the body 13 is provided with a lead seal, for example, four corners of the body 13 are each provided with one countersunk through hole, one of the four countersunk through holes is provided with a lead seal between the countersunk through hole and the corresponding screw, as shown in fig. 1, the countersunk through hole located at the rear left is provided with a lead seal, so that the screw provided in the countersunk through hole is fixed on the gauge head 52, at this time, the screw protrudes from the gauge head 52, and the other countersunk through holes may each be provided with a screw 30 and a screw cover 31.

With continued reference to fig. 1, an ultrasonic transducer 53 is also mounted on the substrate 50, the ultrasonic transducer 53 being used to transmit and receive ultrasonic signals. The ultrasonic transducer 53 may be a piezoelectric ceramic transducer, which converts an input electric signal into an ultrasonic signal through piezoelectric ceramic resonant at an ultrasonic frequency and then emits the ultrasonic signal.

The number of the ultrasonic transducers 53 may be multiple, for example, in the present embodiment, eight ultrasonic transducers 53 are provided, eight ultrasonic transducers 53 are respectively provided on two sides of the substrate 50, as shown in fig. 1, four ultrasonic transducers 53 are provided on the front side of the substrate 50, four ultrasonic transducers 53 are also provided on the rear side, and the four ultrasonic transducers 53 on the front side correspond to the four ultrasonic transducers 53 on the rear side one by one, and the central lines of the two corresponding ultrasonic transducers 53 coincide, so that the two ultrasonic transducers 53 can form a correlation.

It should be noted that the four ultrasonic transducers 53 located on the same side of the substrate 50 may be divided into two groups, the layout of the ultrasonic transducers 53 in the two groups is the same, and the ultrasonic transducers 53 in each group are symmetric. As shown in fig. 1, one set of ultrasonic transducers 53 is disposed on the upper half of the substrate 50, the other set of ultrasonic transducers 53 is disposed on the lower half of the substrate 50, and the two ultrasonic transducers 53 on the upper half are bilaterally symmetric, and the two ultrasonic transducers 53 on the lower half are also bilaterally symmetric. The upper half of the base 50 refers to the half of the base near the head 52, and the lower half of the base 50 refers to the half of the base far from the head 52.

With continued reference to fig. 1 and 2, the watch head sealing assembly 10 in the embodiment of the present invention includes a body 13, a first sealing member 17, a viewing lens 18 and a locking member 19, wherein the body 13 is provided with a first through hole, a flange 14 is formed at a first end of the body 13, that is, the body 13 and the flange 14 are an integral structure, an upper end of the body 13 shown in fig. 5 is the first end of the body 13, a lower end of the body 13 is the second end of the body 13, the flange 14 extends into the first through hole, the flange 14 and an inner side surface of the first through hole form a mounting groove 15 shown by a dotted line in fig. 5, and a viewing lens 18 is provided in the mounting groove 15.

That is to say, the body 13 is substantially cylindrical, the first end of the body 13 is a cylindrical bottom, the upper end of the body 13 in fig. 5 is a cylindrical bottom, the cylindrical bottom is provided with a first opening, the second end of the body 13 is provided with a second opening, the lower end of the body 13 shown in fig. 5 is provided with a second opening, the display device arranged in the cavity of the watch head 52 can be displayed through the first opening, reading is facilitated, the watch head sealing assembly 10 can be covered on the watch head 52 through the second opening, the opening area of the second opening is larger than that of the first opening, so that the watch lens 18 can be placed into the mounting groove 15 from the second opening, and the watch lens 18 cannot fall from the first opening when being located in the mounting groove 15.

It should be noted that the above-mentioned cylindrical shape should be understood in a broad sense, and a horizontal plane perpendicular to the cross section shown in fig. 5 is taken as a cross section, the cross sectional shape of the body 13 is not limited to a circle, but may be an ellipse, a quadrangle or other polygons, and the cross sectional dimensions of the cross sections in the body 13 may be the same or different, for example, the body 13 in the embodiment of the present invention is substantially a cylindrical shape with rounded corners and squares.

In order to prevent water from entering the inside of the head 52 from the head seal assembly 10, an annular groove 16 is provided on an end surface of the flange 14 facing the second end of the body 13, the lower end of the body 13 in fig. 5 being the second end of the body 13, the annular groove 16 extending in the circumferential direction of the flange 14, and a first seal member 17 is provided in the annular groove 16. That is, the annular groove 16 is provided on the end surface of the flange 16 contacting the viewing lens 18, the annular groove 16 corresponds to the flange 14 and forms an annular shape along the circumferential direction of the flange 14, and the annular groove 16 is fitted over the axis of the first through hole, thereby sealing the viewing lens 18 and the flange 14 and preventing water from entering the watch head 52 from the contact between the viewing lens 18 and the flange 14.

The first seal 17 is disposed in the annular groove 16, and the amount of compression of the first seal 17 can be controlled by the annular groove 16 to prevent over-loosening or over-tightening of the first seal 17. The first seal 17 may be an O-ring or a gasket seal. In the embodiment of the present invention, the first sealing member 17 is a sealing gasket to reduce the depth of the annular groove 16, thereby reducing the thickness of the flange 14, i.e., the height of the flange 14 shown in fig. 5, and reducing the installation height of the gauge head sealing assembly 10.

It should be noted that, the first sealing element 17 may be a non-metal sealing gasket, such as an asbestos gasket, a paper gasket, or a rubber gasket, and the non-metal sealing gasket may be used to protect the viewing lens 18 from being damaged while ensuring the sealing performance.

Continuing to refer to fig. 1, sight glass 18 is transparent lens, can show the display device who sets up in the cavity in the gauge outfit, conveniently reads display device, looks lens 18 and can choose glass for use to look the lens, also can choose resin for use to look the lens, for example the embodiment of the utility model provides an in 18 for glass look the lens, practice thrift the cost.

With continued reference to fig. 1, the watch head sealing assembly 10 of the embodiment of the present invention further includes a locking member 19, the locking member 19 is used for fixing the viewing lens 18, the locking member 19 is disposed in the first through hole of the body 13, a first external thread is disposed on an outer peripheral surface of the locking member 19, a first internal thread is disposed on an inner side surface of the first through hole, the first external thread on the locking member 19 is matched with the first internal thread in the first through hole, and the locking member 19 is screwed in the first through hole.

In order to further improve the connection reliability of the locking member 19 and the first through hole, during assembly, an adhesive 70 is arranged on the first external thread of the locking member 19, for example, a liquid raw adhesive tape is arranged on the first external thread, the locking member 19 is screwed in the first through hole, the liquid raw adhesive tape is positioned between the first external thread and the first internal thread after solidification, the first external thread is adhered to the first internal thread, the locking member 19 is further fixed in the first through hole, and the locking member 19 is ensured not to be loosened in the use process of the gauge outfit sealing assembly 10, so that the sealing performance of the gauge outfit sealing assembly 10 is ensured.

It should be noted that only one section of the first internal thread may be disposed in the inner side surface of the first through hole to reduce the processing complexity of the body 13, for example, as shown in fig. 5, one section of the first internal thread is disposed below the mounting groove 15, and a thread relief groove is disposed above the first internal thread.

The inner side surface of the first through hole is also formed with a step, the step is arranged below the first internal thread as shown in fig. 5, that is, the step is arranged at the second end of the body 13 close to the gauge head 52, and the step is matched with the gauge head 52 to play a positioning role. The second seal 40 seals between the inner surface of the first through hole located below the step and the outer peripheral surface of the head 52, thereby preventing water from entering the inside of the head 52 from the contact between the inner surface of the first through hole and the outer peripheral surface of the head 52.

The second seal 40 may be the same as or different from the first seal 17. For example, the second sealing member 40 is an O-ring, and the second sealing member 40 may be provided with one or a plurality of sealing rings spaced along the axial direction of the first through hole, which is not limited in the embodiment of the present invention.

The locking member 19 is further provided with a second through hole corresponding to and communicating with the first through hole, and the display device arranged in the cavity in the gauge outfit 52 can be displayed through the first through hole, the viewing lens 19 and the second through hole, so as to read the display device. Meanwhile, the locking piece 19 is also convenient to mount and dismount through the second through hole.

It should be noted that a buffer 20 may be further disposed between the locking member 19 and the viewing lens 18, and the buffer 20 may be a spacer to prevent the locking member 19 from directly pressing the viewing lens 18 during installation to damage the viewing lens 18, and the buffer 20 protects the viewing lens 18. The cushion pad 20 is provided with a fifth through hole corresponding to the first through hole, and the fifth through hole is communicated with the first through hole, so that the cushion pad 20 is prevented from shielding the display device arranged in the cavity of the gauge outfit 52.

With continued reference to fig. 1, the meter head sealing assembly 10 in the embodiment of the present invention further includes a meter cover 11, the meter cover 11 is rotatably connected to the first end of the body 13, and is covered on the first through hole. When the watch cover 11 is opened, the reading can be carried out through the first through hole, the sight glass 18, the second through hole and the fifth through hole, and when the watch cover 11 is closed, the watch cover 11 plays a certain dustproof and waterproof role and protects the sight glass 18. In addition, the cover 11 is detachably attached to the body 13, facilitating replacement of the cover 11.

The cover 11 is rotatable with respect to the body 13 in the up-down direction shown in fig. 2, and also rotatable with respect to the body 13 in the left-right direction shown in fig. 3. The embodiment of the utility model provides an in, body 13's first end is provided with two relative archs, forms the holding tank between two archs. All be provided with the mounting hole in two archs of body, one of them mounting hole is the through-hole, and this mounting hole is the third through-hole, and another mounting hole can be the through-hole, also can be the blind hole.

The cover 11 is provided with an extending portion 111, as shown in fig. 4, the left end of the cover 11 is provided with the extending portion 111, the extending portion 111 is located in the receiving groove of the body 13, and the extending portion 111 is provided with a fourth through hole. The pin 60 sequentially passes through the third through hole and the fourth through hole to extend into another mounting hole, so as to connect the meter cover 11 to the body 13, for example, the pin 60 is in interference fit with the third through hole and is in clearance fit with the fourth through hole, so as to realize that the meter cover 11 rotates relative to the body 13. In addition, the cover 11 may be provided with a handle 112 at a position opposite to the extending portion 111, and the right end of the cover 11 in fig. 4 is provided with the handle 112, and the handle 112 is a protrusion of the edge of the cover 11 to facilitate opening the cover 11.

In a possible embodiment, a blind hole is provided in one of the projections of the body 13, a blind hole is provided in the left projection as shown in fig. 6, a third through hole 80 is provided in the other projection, a third through hole 80 is provided in the right projection as shown in fig. 6, and a second internal thread is further provided on the inner side surface of the third through hole 80. The outer peripheral surface of one end of the pin 60 is provided with a second external thread, as shown in fig. 6, the outer peripheral surface of the right end of the pin 60 is provided with a second external thread, and the second external thread is matched with the second internal thread, that is, the pin 60 passes through the third through hole 80 and the fourth through hole and extends into the blind hole to connect the watch cover 11 and the body 13, and meanwhile, the pin 60 is screwed into the third through hole 80 to prevent the pin 60 from being displaced when in use. The end face of the pin 60 close to the second external thread can be provided with a groove body, so that a tool can extend into the groove body to drive the pin 60 to rotate, and the pin 60 can be conveniently detached.

It should be noted that the third through hole 80 may also be a stepped hole, a portion of the third through hole 80 close to the receiving groove is a first section, a portion far away from the receiving groove is a second section, and a joint of the first section and the second section forms a step. The aperture of the second section is larger than that of the first section, and a second internal thread is arranged on the inner side wall of the second section. The pin 60 includes first components of a whole that can function independently and second components of a whole that can function independently, and the one end and the first components of a whole that can function independently of the second component are connected, and the terminal surface of the other end is provided with the cell body, be provided with on the outer peripheral face of the second component with second internal thread matched with second external screw thread, the pin 60 includes great second component, makes things convenient for the instrument to stretch into in the cell body to make things convenient for the installation of pin 60.

Continuing to refer to fig. 1, the utility model discloses gauge outfit seal assembly 10 in the embodiment of the invention still includes sign board 12, and sign board 12 pastes and establishes on looking lens 18, is provided with the sign of the technical parameter of supersound water gauge on sign board 12, for example model, power, protection level etc. of supersound water gauge, still is provided with the window that can read on sign board 12, directly reads gauge outfit 52 and the display device in the cavity of gauge outfit.

Above-mentioned sign board 12 can set up the sign of different technical parameter according to the operation requirement of supersound water gauge, for example can directly print technical parameter's sign on sign board 12, pastes sign board 12 on the sight glass again, so set up, can avoid printing relevant sign on sight glass 18 in the assembling process, simple process, the automated production of being convenient for avoids damaging simultaneously and looks lens 18.

The utility model discloses be provided with first through-hole on the body 13 of gauge outfit seal assembly 10, the first end of body 13 is formed with the flange 14 that extends to in the first through-hole, the mounting groove 15 of looking lens 18 is held with the medial surface formation of first through-hole to flange 14, and the terminal surface of the second end of flange 14 towards body 13 is provided with the annular groove 16 along flange 13 circumference extension, set up the first sealing member 17 with sealed between flange 14 and the sight glass piece 18 in the annular groove 16, when the retaining member 19 that sets up in first through-hole supports sight glass piece 18 and presses at flange 14 and realize looking the fixed of lens 18, utilize first sealing member 17 can seal the gap between sight glass piece 18 and flange 14. The utility model discloses body 14 structure as an organic whole need not adopt the screw to connect upper seal cover and lower sealing cover, consequently, just also does not have the phenomenon that leads to water to enter into between upper seal cover and the lower sealing cover gauge outfit 52 because of the screw is not hard up, has improved gauge outfit seal assembly 40's leakproofness, and then can guarantee to set up the device performance in gauge outfit 52.

The embodiments or implementation modes in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.

In the description of the present specification, references to "one embodiment", "some embodiments", "an illustrative embodiment", "an example", "a specific example", or "some examples", etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (10)

1. The utility model provides a gauge outfit seal assembly, its characterized in that, gauge outfit seal assembly lid is located on the gauge outfit of supersound water gauge, gauge outfit seal assembly includes:

the body is provided with a first through hole, a flange extending into the first through hole is formed at the first end of the body, a mounting groove is formed between the flange and the inner side surface of the first through hole, and an annular groove extending along the circumferential direction of the flange is formed in the end surface, facing the second end of the body, of the flange;

the visual lens is arranged in the mounting groove;

the locking piece is fixedly arranged in the first through hole so as to press the sight glass piece on the flange, and is provided with a second through hole corresponding to the first through hole and communicated with the first through hole;

a first seal disposed within the annular groove, the first seal sealing between the flange and the viewing lens.

2. A gauge outfit seal assembly according to claim 1, wherein the locking member is provided with a first external thread on an outer circumferential surface thereof, and the first through-hole is provided with a first internal thread on an inner side thereof for engagement with the first external thread.

3. A watch face seal assembly according to claim 2 in which an adhesive is provided between the first external thread and the first internal thread of the retaining member.

4. A watch head seal assembly according to claim 1, further comprising: and the meter cover is rotatably connected with the first end of the body and is arranged on the first through hole.

5. A gauge outfit seal assembly according to claim 4, wherein the first end of the body is provided with two opposite protrusions, a receiving groove is formed between the two protrusions, one of the protrusions is provided with a blind hole, the other protrusion is provided with a third through hole, and the inner side surface of the third through hole is provided with a second internal thread;

the table lid is provided with the extension, the extension is installed in the holding tank, the extension is provided with the fourth through-hole, be provided with the pin in the fourth through-hole, the one end of pin stretches into in the blind hole, be provided with on the other end outer peripheral face of pin with second internal thread matched with second external screw thread.

6. A gauge head seal assembly according to any of claims 1-5, further comprising an identification plate affixed to the sight glass, the identification plate having indicia of technical parameters of an ultrasonic water meter disposed thereon.

7. A gauge head seal assembly according to claim 6, further comprising a cushion pad, the cushion pad being disposed between the viewing lens and the retaining member, the cushion pad being provided with a fifth through hole corresponding to the first through hole, and the fifth through hole being in communication with the first through hole.

8. An ultrasonic water meter comprising a base body, said base body having a meter head disposed thereon, said meter head cover having a meter head seal assembly according to any one of claims 1 to 7.

9. An ultrasonic water meter as set forth in claim 8, wherein said meter head is provided with a threaded bore;

the gauge outfit sealing assembly is characterized in that a countersunk through hole is formed in the body of the gauge outfit sealing assembly, and the body is connected with the gauge outfit through a screw which penetrates through the countersunk through hole and is in threaded connection with the threaded hole.

10. An ultrasonic water meter as set forth in claim 9, wherein a screw cap is further disposed in said countersunk through hole, said screw cap being disposed on a side of said screw remote from said meter head.

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