CN212320798U

CN212320798U - Flow meter and intelligent closestool

Info

Publication number: CN212320798U
Application number: CN202021272079.0U
Authority: CN
Inventors: 徐波; 巩维刚
Original assignee: Zhuzhou Megmeet Electric Co ltd
Current assignee: Zhuzhou Megmeet Electric Co ltd
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2021-01-08
Anticipated expiration: 2030-07-01

Abstract

The utility model relates to a bathroom equipment field discloses a flowmeter and intelligent closestool, the flowmeter includes: the shell is provided with an accommodating groove, the groove wall of the accommodating groove is provided with a sealing platform, and the sealing platform is in an annular structure along the groove wall; the sealing gasket is accommodated in the accommodating groove; the circuit board is accommodated in the accommodating groove and is arranged on the shell, and the edge of the sealing gasket is tightly pressed on the sealing platform by the edge of the circuit board; and the sealing layer is arranged on one side of the circuit board, which is back to the sealing gasket, and is used for sealing a gap between the circuit board and the groove wall of the accommodating groove. In this way, the embodiment of the utility model provides a can realize the sealed of flowmeter accepting groove, improve thereby the leakproofness of flowmeter can further improve the precision of flowmeter.

Description

Flow meter and intelligent closestool

Technical Field

The embodiment of the utility model provides a relate to the bathroom field, especially relate to a flowmeter and intelligent closestool.

Background

The flowmeter is used as a component for providing basic data of the fluid, and the accuracy of the flow rate directly influences the working accuracy of the whole equipment.

The sealing method of the current flow meter on the market usually adopts a mode of arranging a sealing gasket between a containing groove and a sealing plane to realize sealing. However, in the sealing manner, in the process of long-term use of the flowmeter, fluid gradually permeates into the accommodating groove provided with the circuit board, so that the circuit board is corroded, and the accuracy of the flowmeter is affected.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a main technical problem who solves provides a flowmeter and intelligent closestool, can realize the sealed of flowmeter accepting groove, has improved thereby the leakproofness of flowmeter can further improve the precision of flowmeter.

In order to solve the technical problem, the utility model discloses a technical scheme be: providing a flow meter comprising: the shell is provided with an accommodating groove, the groove wall of the accommodating groove is provided with a sealing platform, and the sealing platform is in an annular structure along the groove wall;

the sealing gasket is accommodated in the accommodating groove;

the circuit board is accommodated in the accommodating groove and is arranged on the shell, and the edge of the sealing gasket is tightly pressed on the sealing platform by the edge of the circuit board; and

and the sealing layer is arranged on one side of the circuit board, which is back to the sealing gasket, and is used for sealing a gap between the circuit board and the groove wall of the accommodating groove.

Optionally, the housing comprises a first cover and a second cover;

the first cover is provided with a first sunken part, and a first convex part is arranged in the first sunken part;

the second cover is provided with a second sunken part, and a second convex part is arranged in the second sunken part;

the first cover is arranged on the second cover, the first concave part is connected with the second concave part and surrounds the second concave part to form the containing groove, and the first convex part is connected with the second convex part to form the sealing platform.

Optionally, one side of the middle portion of the sealing gasket protrudes to penetrate through the annular structure, and the other side of the middle portion of the sealing gasket is recessed to accommodate the photoelectric pair tube support of the flowmeter.

Optionally, the middle part of the sealing gasket is further provided with two slots, and the two slots penetrate through the middle part of the sealing gasket and are used for two support pillars of the photoelectric pair tube support to penetrate through respectively.

Optionally, the housing comprises a first cover and a second cover;

the first cover and the second cover are connected and jointly form a working chamber for installing an impeller;

and an operation chamber sealing piece is arranged in the operation chamber and used for sealing a gap between the first cover and the second cover.

Optionally, the housing is made of a transparent material.

Optionally, the flow meter further includes a photoelectric pair tube support, where the photoelectric pair tube support includes a first support column and a second support column, and the first support column is opposite to the second support column;

the first support column is provided with an emission cavity, an emission sensor is arranged in the emission cavity, and the emission sensor is electrically connected with the circuit board;

the second support column is provided with a receiving cavity, a receiving sensor is installed in the receiving cavity, and the receiving sensor is electrically connected with the circuit board.

Optionally, the first support column is provided with an emission port, the emission port leads to the emission cavity, and the emission sensor is used for emitting light through the emission port;

the second support column is provided with a receiving opening, the receiving opening leads to the receiving cavity, and the receiving sensor is used for receiving light through the receiving opening.

Optionally, the sealing layer is formed after the pouring sealant is solidified.

In order to solve the above technical problem, the utility model discloses another technical scheme that embodiment adopted is: there is provided an intelligent toilet, comprising:

a toilet body;

a flow meter as claimed in any preceding claim.

The embodiment of the utility model provides an in, through set up accepting groove and sealed plane at the casing, the sealed one side that is provided with the boss of filling up install in the accepting groove and lie in under the sealed plane, then the sealed pad dorsad a terminal surface of boss sets up the sealing layer and further strengthens the leakproofness of accepting groove, thereby improves the leakproofness of flowmeter makes the flowmeter can not lead to the fluid flow to advance because of the leakproofness is not enough thereby the accepting groove influences the measurement accuracy of flowmeter.

Drawings

FIG. 1 is an overall schematic view of a flow meter according to an embodiment of the invention;

FIG. 2 is an exploded view of a flow meter according to an embodiment of the present invention;

FIG. 3 is an exploded schematic view of the housing shown in FIG. 2;

FIG. 4 is a schematic overall view of a housing of a flow meter according to an embodiment of the invention;

FIG. 5 is a schematic structural diagram of a gasket of a flowmeter according to an embodiment of the present invention;

FIG. 6 is a schematic view of another perspective of a gasket seal of a flow meter according to an embodiment of the invention;

fig. 7 is an exploded schematic view of a circuit board of a flow meter according to an embodiment of the present invention.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 2, the flowmeter 1 includes a case 100, a gasket 200, a sealing layer (not shown), a pair of photoelectric tube holders 300, and a circuit board 400. The gasket 200, the photoelectric pair tube holder 300, the circuit board 400, and the sealing layer are all accommodated in the housing 100.

Referring to fig. 3 and 4, the casing 100 includes a first cover 10, a second cover 20, an impeller 30, a working chamber sealing member 40, and a fixing member 50. The impeller 30 is disposed in the first cover 10 and the second cover 20, the working chamber sealing member 40 is disposed between the first cover 10 and the second cover 20 and is disposed at a position corresponding to the impeller 30, and the first cover 10 and the second cover 20 are connected by the fixing member 50.

The first cap 10 includes a first cap body 101, a first recess 102, a first receiving cavity 103, a first working cavity 104, a rotation shaft 105, a first protrusion 106, a water inlet pipe 107, and a water outlet pipe 108. First depressed part 102 set up in first lid body 101 and lie in the first plane, first holding chamber 103 set up in first depressed part 102, first working chamber 104 set up in first lid body 101 and lie in second plane 902, pivot 105 set up in the center of first working chamber 104, first bellying 106 encircles first working chamber 104 sets up, inlet tube 107 intercommunication first working chamber 104, outlet pipe 108 intercommunication first working chamber 104. It is noted that the first plane 901 and the second plane 902 are perpendicular to each other.

For the first recess 102, a first sealing layer 109 is disposed in the first recess 102, and the first sealing layer 109 is disposed on the first plane 901 around the inner wall of the first recess 102. The first sealant layer 109 can cooperate with the gasket 200 to provide a sealing effect to the first recess 102 below the first sealant layer 109.

As for the first accommodating cavity 103, the first accommodating cavity 103 is disposed in the first recess 102. The first accommodating cavity 103 is located below the first plane 901, and the first accommodating cavity 103 extends to the first working cavity 104 in a direction away from the first plane 901. The first accommodating cavity 103 is used for accommodating the circuit board 400.

For the above water inlet pipe 107 and water outlet pipe 108, the water inlet pipe 107 and the water outlet pipe are both disposed on the first cover body 101, and the water inlet pipe 107 and the water outlet pipe 108 are both communicated with the first working chamber 104.

The second cover 20 includes a second cover body 201, a second recess 202, a second receiving chamber 203, a second working chamber 204, and a second protrusion (not shown). The second concave portion 202 is disposed on the first plane of the second cover body 201, the second receiving cavity 203 is disposed on the second concave portion 202, the second working cavity 204 is disposed on the second cover body 201 and located on the second plane 902, the second convex portion surrounds the second working cavity 204, and the second convex portion corresponds to the first convex portion 106.

As for the second recess 202, a second sealing layer (not shown) is disposed in the second recess 202, and the second sealing layer is disposed on the first plane 901 around the inner wall of the second recess 202. The second sealant layer can cooperate with the gasket 200 to provide a sealing effect to the second recess 202 that is below the second sealant layer.

When the first cover 10 and the second cover 20 are assembled and connected by the fixing member 50, the first recess 102 and the second recess 202 enclose to form a receiving groove 60. The receiving groove 60 is used for receiving the circuit board 400. The first sealing layer 109 and the second sealing layer form a sealing plane 70, and the sealing plane 70 is used for matching with the sealing gasket 200 to seal the space below the sealing plane 70. The first working cavity 104 and the second working cavity 204 form a working chamber 80, the working chamber 80 is isolated from the accommodating groove 60, the working chamber 80 is respectively communicated with the water inlet pipe 107 and the water outlet pipe 108, and the impeller 30 is rotatably installed in the working chamber 80 through the rotating shaft 105. The working chamber seal 40 is mounted in the first boss 106 and the second boss. The first accommodating cavity 103 and the second accommodating cavity 203 are respectively arranged outside two side walls of the operation chamber 80 in a mirror image manner.

In the embodiment of the present invention, the first cap body 101 and the second cap body 201 are made of transparent materials.

The gasket 200 includes a gasket 200 and a sealing layer, one surface of the gasket 200 is mounted in the housing groove 60 in contact therewith, and the sealing layer is mounted on the other surface of the gasket 200.

Referring to fig. 5 and 6, the gasket 200 is provided with a sealing boss 201, a slot 202 and a through hole 2021. The sealing boss 201 is formed by bulging one side of the middle part of the sealing gasket 200, the insertion groove 202 is formed by sinking the other side of the middle part of the sealing gasket 200, the through hole 2021 is formed in the insertion groove 202 in the middle part of the sealing gasket 200, and the photoelectric pair tube bracket 300 can be inserted into the first accommodating cavity 103 and the second accommodating cavity 203 through the through hole 2021.

The outer contour of the sealing boss 201 is smaller than the overall outer contour of the sealing gasket 200, and the sealing boss 201 is used for sealing the space between the sealing plane 70 and the first plane 901.

The part that sealed pad 200 faced a terminal surface of sealed boss 201 with the sealed plane 70 contact is highly even plane, from this sealed pad 200 with sealed plane 70 installation back of contacting, sealed pad 200 with the contact part of sealed plane 70 is all comparatively level and smooth, has further improved leakproofness.

In the embodiment of the present invention, the number of the through holes 2021 is two, two the through holes 2021 are symmetrically disposed on two sides of the slot 202, and when the gasket 200 is installed in the receiving groove 60, the symmetrical through holes 2021 correspond to the first receiving cavity 103 and the second receiving cavity 203, respectively.

In some embodiments, the gasket 200 is provided with mounting holes 203, and the mounting holes 203 are used for matching screws to fix the gasket 200 to the housing 100.

In some embodiments, the gasket 200 is made of silicone.

In other embodiments, the gasket 200 is made of rubber. It should be noted that the material for preparing the sealing gasket 200 includes, but is not limited to, the materials described in the above embodiments, as long as the material for preparing the sealing gasket 200 has good elasticity and sealing property.

As for the above sealing layer, the sealing layer is disposed on an end surface of the gasket 200 away from the sealing boss 201 and covers the circuit board 400. The sealing layer is used for sealing a gap between the circuit board and the wall of the accommodating groove 60, so that the sealing performance is further enhanced.

In the embodiment of the present invention, the sealing layer is formed after the pouring sealant is solidified.

In other embodiments, the sealing layer may be made of other materials having waterproof and oxidation resistance properties, and the sealing layer material adopted in the embodiments of the present invention is only a preferred implementation.

Referring to fig. 7, the photo-transistor frame 300 includes a first support 301, a second support 302, and a beam 303. The first support column 301 is provided with an emission cavity (not shown) and an emission opening 304. The second support column 302 is provided with a receiving cavity (not shown) and a receiving opening (not labeled). The transmitting opening 304 and the receiving opening are correspondingly arranged.

Referring to fig. 7, the circuit board 400 includes a circuit board body 401, an inductor 402 and a data transmission port 403. The sensor 402 is installed in the photoelectric pair tube support 300 and electrically connected to the circuit board body 4011, and the data transmission port 403 is electrically connected to the circuit board body 4011.

For the above inductor 402, the inductor 402 is divided into a transmitting sensor 4021 and a receiving sensor 4022, and the transmitting sensor 4021 and the receiving sensor 4022 are both soldered to the same surface of the circuit board body 4011.

Further, the transmitting sensor 4021 is installed in the transmitting cavity, and the receiving sensor 4022 is installed in the receiving cavity. The signal emitted by the transmitting sensor 4021 is received by the receiving sensor 4022 through the transmitting port 304 to the receiving port.

Specifically, when the phototube holder 300 is mounted on the gasket 200 and the cross beam 303 abuts against the end surface of the insertion groove 202, the two support posts 3011 respectively penetrate through the two corresponding through holes 2021 on the gasket 200 and are inserted into the first accommodating cavity 103 and the second accommodating cavity 203, and at this time, the transmitting opening 304 and the receiving opening are located on two sides of the working chamber 80.

Thus, when the circuit board body 401 and the photoelectric pair tube holder 300 are mounted, the transmitting sensor 4021 and the receiving sensor 4022 can be respectively located in the transmitting cavity and the receiving cavity, the transmitting sensor 4021 can be located in the transmitting opening 304, and the receiving sensor 4022 can be located in the receiving opening, so that a signal transmitted by the transmitting sensor 4021 can be received by the receiving sensor 4022.

In some embodiments, the sensor 402 is a photosensor.

For the data transmission port 403, the data transmission port 403 is used for connecting the external device and transmitting the signal of the sensor 402 to the external device.

To this end, when the flowmeter 1 is in operation, the fluid entering from the water inlet pipe 107 enters the working chamber 80 to drive the impeller 30 to rotate and then flows out from the water outlet pipe 108, and the larger the volume of the fluid flowing through the water inlet pipe 107 per unit time, the faster the impeller 30 rotates. The impeller 30 periodically shields signals sent to the receiving sensor 4022 by the transmitting sensor 4021 in the rotation process, the data transmission port 403 transmits the signals acquired by the transmitting sensor 4021 and the receiving sensor 4022 to an external device, and the external device acquires data of the data transmission port 403 and performs data processing to obtain the volume of fluid flowing through the flowmeter 1 in a certain time.

The utility model discloses at first will first the first lid with the second lid is fixed by the fastener, at this moment the operation cavity sealing member is in the elastic deformation state. And then, the sealing gasket is assembled in the containing groove formed by the first cover and the second cover, and the sealing gasket is tightly attached to the sealing layer at the moment, so that the sealing effect is achieved. And then, a circuit board is mounted to the sealing gasket, the circuit board and the shell are mounted and fastened through the fixing piece, and at the moment, the sealing gasket is subjected to certain elastic deformation under the pressure given by the fastening piece, so that the sealing effect between the sealing layer and the sealing gasket is enhanced. And finally, encapsulating a sealing layer prepared by sealant in the circuit board in a back-to-back manner, so as to complete secondary sealing on one surface of the sealing gasket, ensure the sealing performance of the space below the sealing gasket to the maximum extent, further ensure the precision of the inductor, and prevent the sealing gasket from aging, and protect the circuit board and expose the circuit board in a back-to-back manner, so that the electronic device on one end surface of the sealing gasket is not influenced by water vapor.

The utility model also provides an intelligent closestool, intelligent closestool include the closestool and as above-mentioned arbitrary embodiment flowmeter 1, water inlet and delivery port have been seted up to the closestool, flowmeter 1 with the water inlet is connected.

The utility model discloses real-time example is through setting up the sealing layer, sealed pad and sealing layer, by sealed pad with cooperation installation between the sealing layer is realized right the clearance that produces among the flowmeter assembling process is tentatively sealed. The sealing performance of the sealing gasket and the sealing space after matched installation is further enhanced through the sealing layer arranged on the circuit board, so that the sealing performance of the flowmeter during working or after working is guaranteed, fluid enters the working cavity from the water inlet pipe and flows out from the water outlet pipe, and the fluid cannot flow into the accommodating groove through the assembly gap of the first cover and the second cover to corrode or interfere with components in the accommodating groove. The flowmeter is ensured to be in a stable working environment, so that the induction sensitivity of the inductor is ensured, and finally the precision of the flowmeter is ensured.

It should be noted that the preferred embodiments of the present invention are described in the specification and the drawings, but the present invention can be realized in many different forms, and is not limited to the embodiments described in the specification, and these embodiments are not provided as additional limitations to the present invention, and are provided for the purpose of making the understanding of the disclosure of the present invention more thorough and complete. Moreover, the above technical features are combined with each other to form various embodiments which are not listed above, and all the embodiments are regarded as the scope of the present invention; further, modifications and variations will occur to those skilled in the art in light of the foregoing description, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.

Claims

1. A flow meter, comprising:

the shell is provided with an accommodating groove, the groove wall of the accommodating groove is provided with a sealing platform, and the sealing platform is in an annular structure along the groove wall;

the sealing gasket is accommodated in the accommodating groove;

2. The flowmeter of claim 1 wherein said housing comprises a first cover and a second cover;

3. The flowmeter of claim 1, wherein the middle portion of the seal is raised on one side and extends through the annular structure, and recessed on the other side for receiving a photoelectric pair holder of the flowmeter.

4. The flowmeter of claim 3, wherein the middle part of the sealing gasket is further provided with slots, and the two slots penetrate through the middle part of the sealing gasket and are used for two supporting columns of the photoelectric pair tube bracket to respectively penetrate through.

5. The flowmeter of claim 1 wherein said housing comprises a first cover and a second cover;

6. The flowmeter of claim 5 wherein said housing is fabricated from a transparent material.

7. The flowmeter of any one of claims 1 to 6, further comprising a photoelectric pair tube holder;

the photoelectric pair tube bracket comprises a first supporting column and a second supporting column, and the first supporting column is opposite to the second supporting column;

8. The flowmeter of claim 7 wherein said first support column is provided with an emission port opening into said emission chamber, said emission sensor for emitting light through said emission port;

9. The flowmeter of claim 7 wherein said sealing layer is formed after the potting adhesive has set.

10. An intelligent toilet, comprising:

a toilet body;

a flow meter according to any of claims 1-9.